CN201993306U - Friction tester of dense granule bodies - Google Patents

Friction tester of dense granule bodies Download PDF

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Publication number
CN201993306U
CN201993306U CN2011200962658U CN201120096265U CN201993306U CN 201993306 U CN201993306 U CN 201993306U CN 2011200962658 U CN2011200962658 U CN 2011200962658U CN 201120096265 U CN201120096265 U CN 201120096265U CN 201993306 U CN201993306 U CN 201993306U
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CN
China
Prior art keywords
horizontal survey
guide rail
torque sensor
translation stage
pedestal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011200962658U
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Chinese (zh)
Inventor
王伟
赵明
张伯平
刘焜
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Hefei University of Technology
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Hefei University of Technology
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Filing date
Publication date
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Priority to CN2011200962658U priority Critical patent/CN201993306U/en
Application granted granted Critical
Publication of CN201993306U publication Critical patent/CN201993306U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a friction tester of dense granule bodies, which is characterized in that a guide rail translation stage and a granule matter containing groove are arranged on a base together, and the guide rail translation stage can do linear reciprocating movement on the base. A pedestal is supported on the guide rail translation stage and can move along with the guide rail translation stage, and a horizontal measuring arm is fixedly connected with a vertical measuring arm through the front end of the horizontal measuring arm. A torque sensor is fixedly arranged on the pedestal, and the top end of the torque sensor is connected with the middle part of the horizontal measuring arm in an articulated structure. A pull pressure sensor is vertically arranged at the tail end of the horizontal measuring arm, and the bottom end of the pull pressure sensor is butted at the surface of the pedestal. A test board is connected with the bottom end of the vertical measuring arm, is arranged in the granule matter containing groove, and can be contacted with granule bodies in the groove. The friction tester of dense granule bodies is used for measuring the frictional characteristics of granule matters and the surface.

Description

Compacted grains body friction testing instrument
Technical field
The utility model relates to a kind of friction testing arrangement, a kind of friction testing instrument at the compacted grains body of more specifically saying so.
Background technology
Current, the friction testing instrument all is at solid material, under a contact, line contact or face contact conditions, relevant tribology parameter is measured.When setting up for 25 anniversaries in tribology branch of Chinese Mechanical Engineering Society, Wen Shizhu academician sums up " current situation and development of China's tribology research " (mechanical engineering journal, 2004,40 (11): point out in the time of 1-6.): the particle tribology research is applied to the moulding process of powder metallurgy, pottery etc., and particulate matter (as grain, coal dust etc.) is piled up and conveying, soil erosion, seashore and dam construction etc., from the tribology angle, this research still belongs to blank.And study at the tribological property of particulate matter, also there are not standardized experimental apparatus and method at present in the world.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point that a kind of compacted grains body friction testing instrument is provided, with the measurement of its realization to the particulate matter tribological property.
The utility model adopts following technical scheme for the technical solution problem:
The characteristics of the utility model compacted grains body friction testing instrument are that its structure setting includes:
An one guide rail translation stage and a particle storage tank are co-located on the base, but guide rail translation stage linear reciprocation on described base moves;
One pedestal is fixed on the guide rail translation stage, and can move with the guide rail translation stage;
One horizontal survey arm is fixedlyed connected by a right-angle connector with vertical gage beam with its front end;
One torque sensor that is used for the tangential resistance measurement is fixedly installed on pedestal, and the top of described torque sensor is connected with articulated structure with horizontal survey arm middle part, forms the support of torque sensor to described horizontal survey arm;
One is used for mensuration is the end that vertically is arranged on described horizontal survey arm to the pull pressure sensor of bearing capacity, and the surface with described pedestal is supported in the bottom of described pull pressure sensor;
One test plate (panel) is connected the bottom of vertical gage beam, and described test plate (panel) places in the particle storage tank, test plate (panel) can contact with groove endoparticle body.
The characteristics of the utility model compacted grains body friction testing instrument also are:
The articulated structure that the middle part of the top of described torque sensor and horizontal survey arm is set is: connected and composed by the rotating shaft that runs through therebetween by torque sensor hinged block and horizontal survey arm middle part hinged block; Between described horizontal survey arm middle part hinged block and torque sensor hinged block, be respectively arranged with centripetal force bearing and plain thrust bearing.
Described test plate (panel) is set and vertically is the articulated structure of lockable angle between the gage beam.
Bottom in described pull pressure sensor is provided with roller by a fixed support, contacts with roller between pull pressure sensor and the pedestal.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model drives test plate (panel) with the guide rail translation stage by horizontal survey arm and vertical gage beam and moves in the particle storage tank, make test plate (panel) and granule form friction, record test plate (panel) suffered tangential resistance and support normal power in motion process respectively by being arranged on pull pressure sensor on the relevant position and torque sensor; As transducing signal, transducing signal is further by follow-up filtering, amplification, and signal analysis and processing can obtain the frictional behaviour of relevant granule with this.
Description of drawings
Fig. 1 is the utility model master TV structure synoptic diagram;
Fig. 2 is the utility model plan structure synoptic diagram;
Fig. 3 is the utility model movable stand structural representation;
Fig. 4 be among Fig. 3 C to view.
Fig. 5 is a B-B view among Fig. 3;
Fig. 6 is an A-A view among Fig. 3;
Fig. 7 is a partial enlarged drawing among Fig. 6.
Number in the figure: 1 base; 2 guide rail translation stages; 3 pedestals; 4 pull pressure sensor; 5 horizontal survey arms; 6 torque sensors; 7 vertical gage beams; 8 test plate (panel)s; 9 particle storage tanks; 10 granules; 11 torque sensor hinged blocks; 12 horizontal survey arms middle part hinged block; 13 horizontal survey arm flange seats; 14 rollers; 15 supports; Web member under 16 pull pressure sensor; 17 pull pressure sensor web members; The terminal flange seat of 18 horizontal survey arms; 20 right-angle connectors; The terminal flange seat of 21 vertical gage beams; 22 vertical gage beam hinged blocks; 23 measuring junction hinged blocks.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the structure setting of the tester in the present embodiment includes:
An one guide rail translation stage 2 and a particle storage tank 9 are co-located on the base 1, but guide rail translation stage 2 linear reciprocation on base 1 moves; It is to be transmission component with motor-driven screw mechanism that the linear reciprocation that guide rail translation stage 2 is set moves.
One pedestal 3 is bearing on the guide rail translation stage 2, and can move with guide rail translation stage 2;
One horizontal survey arm 5 is fixedlyed connected the formation movable stand with its front end and vertical gage beam 7 by a right-angle connector 20;
One torque sensor 6 that is used for the tangential resistance measurement is fixedly installed on pedestal 3, and the middle part of the top of torque sensor 6 and horizontal survey arm 5 is hinged, forms the support of 6 pairs of horizontal survey arms 6 of torque sensor;
One is used for mensuration is the end that vertically is arranged on horizontal survey arm 5 to the pull pressure sensor 4 of bearing capacity, and the surface with pedestal 3 is supported in the bottom of pull pressure sensor 4;
One place in the particle storage tank 9, can be connected the bottom of vertical gage beam 7 with the granule 10 contacted test plate (panel)s 8 that particle storage tank 9 holds.
In concrete the enforcement, the corresponding structure setting also includes:
As shown in Figure 3 and Figure 4, but test plate (panel) 8 linkage by a manual locking angle link to each other with vertical gage beam, the linkage shown in the figure is made of the terminal flange seat 21 of vertical gage beam, vertical gage beam hinged block 22 and measuring junction hinged block 23; In this linkage a bevel protractor can be set, so that set the angle of attack of test plate (panel) 8 and lock, it is constant that the angle of attack of this setting should keep in the motion process of test plate (panel).
As Fig. 3 and shown in Figure 5, the middle part articulated structure of the top of torque sensor 6 and horizontal survey arm 5 is to be connected and composed by the rotating shaft that runs through therebetween by torque sensor hinged block 11 and horizontal survey arm middle part hinged block 12, and horizontal survey arm middle part hinged block 12 is fixedlyed connected with horizontal survey arm 5 by horizontal survey arm flange seat 13; Between horizontal survey arm middle part hinged block 12 and torque sensor hinged block 11, be respectively arranged with centripetal force bearing and plain thrust bearing.Concrete is to have counterbore in the both sides of torque sensor hinged block 11 as Fig. 5 and shown in Figure 7, and one first centripetal force bearing 11a respectively is installed in the counterbore of both sides; Inboard at horizontal survey arm middle part hinged block 12 also is provided with counterbore, and the second centripetal force bearing 12a is installed in the counterbore; Between the first centripetal force bearing and the second centripetal force bearing, plain thrust bearing is set, in order to adjust the gap between horizontal survey arm middle part hinged block 12 and the torque sensor hinged block 11, can be between the first centripetal force bearing and plain thrust bearing, and between the second centripetal force bearing and plain thrust bearing, pad is set respectively, so that the horizontal survey arm can rotate around the axis in perpendicular, the displacement in surface level then directly acts on the torque sensor.
As Fig. 3 and shown in Figure 6, end at horizontal survey arm 5 is provided with the terminal flange seat 18 of horizontal survey arm, the bottom of the terminal flange seat 18 of horizontal survey arm is by pull pressure sensor web member 17 fixedly connected pull pressure sensor 4, bottom in pull pressure sensor 4 is provided with a roller 14 by support 15, support 15 is fixedlyed connected with web member 16 under the pull pressure sensor, making between pull pressure sensor 4 and the guide rail translation stage 2 is to contact with roller 14, roller 14 can roll on guide rail translation stage 2, when measuring the horizontal direction resistance, small strain for the generation of torque sensor, the horizontal survey arm turns over an angle, roller rolls thereupon, makes pull pressure sensor can not influence the measurement of torque sensor.Simultaneously, during to bearing capacity, the hinge arrangement at horizontal survey arm middle part also can not disturb the strain of pull pressure sensor at mensuration.But the utility model can be used for the different test plate (panel)s of quantitative examination when moving in the variable grain body with the different angles of attack or speed, the Changing Pattern of tangential resistance and normal direction bearing capacity.
In the test, tested granule evenly is sprinkled into the particle storage tank, adjust and lock the angle of attack of test plate (panel), the controlled variable that motor is set makes kinematic parameters such as its displacement with setting, movement velocity and acceleration, drive test plate (panel) along with vertical gage beam moves in the particle storage tank by the kinematic parameter of setting by motor by screw mechanism, signal pickup assembly by relative set carries out signals collecting, and handles the test parameter that can obtain needed frictional behaviour about tested granule by further signal data.

Claims (4)

1. compacted grains body friction testing instrument is characterized in that the structure setting of described tester includes:
An one guide rail translation stage (2) and a particle storage tank (9) are co-located on the base (1), guide rail translation stage (2) at described base (1) but go up linear reciprocation and move;
One pedestal (3) is fixed on the guide rail translation stage (2), and can move with guide rail translation stage (2);
One horizontal survey arm (5) is fixedlyed connected by a right-angle connector (20) with vertical gage beam (7) with its front end;
One torque sensor (6) that is used for the tangential resistance measurement is fixedly installed on pedestal (3), the top of described torque sensor (6) is connected with articulated structure with the middle part of horizontal survey arm (5), forms the support of torque sensor (6) to described horizontal survey arm (5);
One is used for mensuration is the end that vertically is arranged on described horizontal survey arm (5) to the pull pressure sensor (4) of bearing capacity, and the surface with described pedestal (3) is supported in the bottom of described pull pressure sensor (4);
One test plate (panel) (8) is connected the bottom of vertical gage beam (7), and described test plate (panel) (8) places in the particle storage tank (9), test plate (panel) (8) can contact with groove endoparticle body (10).
2. compacted grains body friction testing instrument according to claim 1, the articulated structure that it is characterized in that being provided with the middle part of the top of described torque sensor (6) and horizontal survey arm (5) is: connected and composed by the rotating shaft that runs through therebetween by torque sensor hinged block (11) and horizontal survey arm middle part hinged block (12); Between described horizontal survey arm middle part hinged block (12) and torque sensor hinged block (11), be respectively arranged with centripetal force bearing and plain thrust bearing.
3. compacted grains body friction testing instrument according to claim 1 is characterized in that being provided with described test plate (panel) (8) and vertically is the articulated structure of lockable angle between the gage beam (7).
4. compacted grains body friction testing instrument according to claim 1, it is characterized in that by a fixed support (15) roller (14) being set, contact with roller (14) between pull pressure sensor (4) and the pedestal (3) in the bottom of described pull pressure sensor (4).
CN2011200962658U 2011-04-02 2011-04-02 Friction tester of dense granule bodies Expired - Lifetime CN201993306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200962658U CN201993306U (en) 2011-04-02 2011-04-02 Friction tester of dense granule bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200962658U CN201993306U (en) 2011-04-02 2011-04-02 Friction tester of dense granule bodies

Publications (1)

Publication Number Publication Date
CN201993306U true CN201993306U (en) 2011-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200962658U Expired - Lifetime CN201993306U (en) 2011-04-02 2011-04-02 Friction tester of dense granule bodies

Country Status (1)

Country Link
CN (1) CN201993306U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226751A (en) * 2011-04-02 2011-10-26 合肥工业大学 Friction tester for dense granules
CN103278412A (en) * 2013-05-23 2013-09-04 浙江工业大学 Low-load friction-wear test device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226751A (en) * 2011-04-02 2011-10-26 合肥工业大学 Friction tester for dense granules
CN103278412A (en) * 2013-05-23 2013-09-04 浙江工业大学 Low-load friction-wear test device
CN103278412B (en) * 2013-05-23 2016-04-13 浙江工业大学 Low load friction-wear test device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110928

Effective date of abandoning: 20130227

RGAV Abandon patent right to avoid regrant