CN203287286U - Vertical-direction shift-free particle flow resistance measuring device - Google Patents
Vertical-direction shift-free particle flow resistance measuring device Download PDFInfo
- Publication number
- CN203287286U CN203287286U CN201320321856XU CN201320321856U CN203287286U CN 203287286 U CN203287286 U CN 203287286U CN 201320321856X U CN201320321856X U CN 201320321856XU CN 201320321856 U CN201320321856 U CN 201320321856U CN 203287286 U CN203287286 U CN 203287286U
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- steel strand
- tester
- test board
- flow resistance
- particle flow
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Abstract
The utility model provides a vertical-direction shift-free particle flow resistance measuring device. A tester is installed on a base, a cover plate is arranged on the top of the tester, a test board is arranged in the tester, the top of the test board is connected to the lower end of a spring, the spring is connected with a tension sensor, the tension sensor is connected with a steel strand, the steel strand is fixedly connected with a guide frame, a nut is fixedly installed at one end of the guide frame, a through hole is formed in the other end of the fixing frame, a guide rod is arranged in the through hole, the nut is matched with a lead screw, the guide rod is fixedly installed at the bottom of a transverse plate, a gearbox and a motor are arranged on the top of the transverse plate, the top end of the lead screw is connected with the gearbox, the gearbox is connected with the motor, and the transverse plate and the base are connected through a supporting frame. The vertical-direction shift-free particle flow resistance measuring device pulls the steel strand in the vertical direction all the time, so that the steel strand will not shift horizontally, the test board can be pulled up perpendicularly, the friction resistance obtained through the measurement is accurate, and more accurate measurement results are obtained; because the steel strand will not be bent, the service life of the steel strand is prolonged, and the number of times of steel strand breaking is reduced.
Description
Technical field
The utility model relates to a kind of resistance to flow measurement mechanism, and specifically a kind of vertical direction is without skew particle flow resistance measurement apparatus.
Background technology
The particle flow resistance is an important physical parameter, the upper end of moving the particle flow resistance measurement apparatus and be steel strand wires is fixedly mounted in the rotating shaft of a level, rotating shaft rotation steel strand wires are wrapped in rotating shaft, pass through pulling force inductor and spring this moment with the test board pull-up,, by measuring test board and tested intergranular frictional resistance, obtain the resistance to flow of particle by a series of technology.The rotating shaft rotation is wound around in the steel strand wires process, steel strand wires will inevitably produce the skew of horizontal direction, cause test board not by vertical pull-up, have increased the contact area between test board and tested particle in the pull-up process, thereby the frictional resistance value of measuring is bigger than normal, affects the accuracy of measurement result; Steel strand wires often, by bending-stretching, affects life-span of steel strand wires, the situation of broken string often occurs, need to change frequently the increase use cost.
The utility model content
The purpose of this utility model is to provide a kind of vertical direction without skew particle flow resistance measurement apparatus, can address the above problem.
the utility model for achieving the above object, be achieved through the following technical solutions: vertical direction is without skew particle flow resistance measurement apparatus, comprise base, installation testing device on base, the top of tester arranges cover plate, test board is set in tester, the bottom of test board coordinates with the bottom of tester, the lower end of the top linking springs of test board, the upper end of spring connects the pulling force inductor, the pulling force inductor connects the lower end of steel strand wires, the upper end of steel strand wires is fixedly connected with guide frame, one end fixed installation nut of guide frame, the axis of the screw of nut is perpendicular to ground, the other end of fixed mount is offered vertical through hole, guide pole is set in through hole, nut coordinates with leading screw, the upper end of guide pole is fixedly mounted on the bottom of transverse slat, the top of transverse slat arranges wheel box and motor, the top of leading screw is connected with the output shaft of wheel box, the input shaft of wheel box is connected with the output shaft of motor, be connected by bracing frame between transverse slat and base.
In order further to realize the purpose of this utility model, can also be by the following technical solutions: heater strip and temperature sensor are set in described tester.Cooling pipe being set in described tester, heat interchanger is set on base, being connected by circulation pipe between the two ends of cooling pipe and heat interchanger, pump is set on circulation pipe.Described cooling pipe is two, and two cooling pipes are arranged on respectively the both sides of test board.The periphery of described cooling pipe arranges several heat radiator, and the top of heat radiator is inclined-plane.Groove is offered in the bottom of described tester, matches with groove in the bottom of test board.
The utility model has the advantage of: the utility model is to pull steel strand wires on vertical direction all the time, and steel strand wires not there will be horizontal-shift, guarantees that test board is vertical pull-up, measures the frictional resistance that obtains accurate, thereby obtains more accurate measurement result; Steel strand wires can not bent, and improve the serviceable life of steel strand wires, reduce the number of times of broken string, save cost.The utility model also has advantages of compactness simple for structure, cheap for manufacturing cost and easy to use.
Description of drawings
Fig. 1 is structural representation of the present utility model; Fig. 2 analyses and observe the structure for amplifying schematic diagram along Figure 1A-A line; Fig. 3 is that the B of Fig. 1 is to the TV structure schematic diagram.
Reference numeral: 1 steel strand wires 2 pulling force inductor 3 spring 4 cover plate 5 test board 6 cooling pipe 7 heater strip 8 heat radiator 9 tester 10 groove 11 temperature sensor 12 pump 13 heat interchanger 14 base 15 circulation pipe 16 bracing frame 17 nut 18 leading screw 19 wheel box 20 transverse slat 21 guide pole 22 guide frame 23 motors.
Embodiment
vertical direction is without skew particle flow resistance measurement apparatus, as depicted in figs. 1 and 2, comprise base 14, installation testing device 9 on base 14, the top of tester 9 arranges cover plate 4, the interior test board 5 that arranges of tester 9, the bottom of test board 5 coordinates with the bottom of tester 9, the lower end of the top linking springs 3 of test board 5, the upper end of spring 3 connects pulling force inductor 2, pulling force inductor 2 connects the lower end of steel strand wires 1, the upper end of steel strand wires 1 is fixedly connected with guide frame 22, one end fixed installation nut 17 of guide frame 22, the axis of the screw of nut 17 is perpendicular to ground, the other end of fixed mount 22 is offered vertical through hole, guide pole 21 is set in through hole, nut 17 coordinates with leading screw 18, the upper end of guide pole 21 is fixedly mounted on the bottom of transverse slat 20, the top of transverse slat 20 arranges wheel box 19 and motor 23, the top of leading screw 18 is connected with the output shaft of wheel box 19, the input shaft of wheel box 19 is connected with the output shaft of motor 23, be connected by bracing frame 16 between transverse slat 20 and base 14.The tested particle of the interior filling of tester 9, test board 5 is inserted in tested particle, motor 20 drives wheel box 21 and rotates, wheel box 21 drives leading screw 18 and rotates, nut 17 drives guide frame 22 and moves upward, steel strand wires 1 with guide frame 22 vertically upward, pass through pulling force inductor 2 and spring 3 this moment with test board 5 pull-ups, by measuring test board 5 and tested intergranular frictional resistance, pulling force sensor 6 converts received force signal electric signal to and converts digital signal to and outputs to computing machine, and computing machine calculates according to the computing formula of particulate matter shear stress:
In formula, A is the area of detecting plate, and P is the gravity that the resistance to flow that records deducts detecting plate, is the function of time t and temperature T, and S is shear stress.Carry out data and process the test result that draws resistance to flow.
The utility model is to pull steel strand wires on vertical direction all the time, and steel strand wires not there will be horizontal-shift, guarantees that test board is vertical pull-up, measures the frictional resistance that obtains accurate, thereby obtains more accurate measurement result; Steel strand wires can not bent, and improve the serviceable life of steel strand wires, reduce the number of times of broken string, save cost.
In order to measure the resistance to flow of tested particle under different temperatures, as shown in Figure 1, interior heater strip 7 and the temperature sensor 11 of arranging of described tester 9.7 pairs of tested particles of heater strip heat, and record the probe temperature of different test phases by temperature sensor 11.In test process,, if it is too fast to heat up, can lower the temperature to tested particle by the cooling pipe, arrive fast required measurement temperature, avoid waiting as long for cooling, reduce the time of measuring, increase work efficiency; And can lower the temperature, measure the resistance to flow of the particle under the following condition of room temperature, improve the data of measuring.
In order to guarantee the uniform decrease in temperature in tester, and do not affect normally carrying out of test, described cooling pipe 6 is two, and two cooling pipes 6 are arranged on respectively the both sides of test board 5.
Heat up to surpass when temperature required the operation of need to lower the temperature, generally adopt nature cooling, in order to accelerate to lower the temperature, the interior cooling pipe 6 that arranges of described tester 9, heat interchanger 13 is set on base 14, is connected by circulation pipe 15 between the two ends of cooling pipe 6 and heat interchanger 13, pump 12 is set on circulation pipe 15.
In order further to improve the efficiency of cooling, the periphery of described cooling pipe 6 arranges several heat radiator 8, and the top of heat radiator 8 is inclined-plane, and the purpose on inclined-plane is when taking out tested particle, avoids the tested particle of remained on surface of heat radiator 8.
In order to guarantee the vertical of each test procedure test plate 9, groove 10 is offered in the bottom of described tester 9, matching with groove 10 in the bottom of test board 9, before each test, test board 9 is inserted in groove 10, can guarantee that test board 9 carries on vertical in use procedure.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The utility model not technology contents of detailed description is known technology.
Claims (6)
1. vertical direction is without skew particle flow resistance measurement apparatus, comprise base (14), the upper installation testing device (9) of base (14), the top of tester (9) arranges cover plate (4), test board (5) is set in tester (9), the bottom of test board (5) coordinates with the bottom of tester (9), the lower end of the top linking springs (3) of test board (5), the upper end of spring (3) connects pulling force inductor (2), pulling force inductor (2) connects the lower end of steel strand wires (1), it is characterized in that: the upper end of steel strand wires (1) is fixedly connected with guide frame (22), one end fixed installation nut (17) of guide frame (22), the axis of the screw of nut (17) is perpendicular to ground, the other end of fixed mount (22) is offered vertical through hole, guide pole (21) is set in through hole, nut (17) coordinates with leading screw (18), the upper end of guide pole (21) is fixedly mounted on the bottom of transverse slat (20), the top of transverse slat (20) arranges wheel box (19) and motor (23), the top of leading screw (18) is connected with the output shaft of wheel box (19), the input shaft of wheel box (19) is connected with the output shaft of motor (23), be connected by bracing frame (16) between transverse slat (20) and base (14).
2. vertical direction according to claim 1, without skew particle flow resistance measurement apparatus, is characterized in that: heater strip (7) and temperature sensor (11) are set in described tester (9).
3. vertical direction according to claim 1 is without skew particle flow resistance measurement apparatus, it is characterized in that: cooling pipe (6) is set in described tester (9), heat interchanger (13) is set on base (14), be connected by circulation pipe (15) between the two ends of cooling pipe (6) and heat interchanger (13), pump (12) is set on circulation pipe (15).
4. vertical direction according to claim 3 is without skew particle flow resistance measurement apparatus, and it is characterized in that: described cooling pipe (6) is two, and two cooling pipes (6) are arranged on respectively the both sides of test board (5).
5. vertical direction according to claim 3 is without skew particle flow resistance measurement apparatus, and it is characterized in that: the periphery of described cooling pipe (6) arranges several heat radiator (8), and the top of heat radiator (8) is inclined-plane.
6. vertical direction according to claim 1 is without skew particle flow resistance measurement apparatus, and it is characterized in that: groove (10) is offered in the bottom of described tester (9), matches with groove (10) in the bottom of test board (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320321856XU CN203287286U (en) | 2013-06-05 | 2013-06-05 | Vertical-direction shift-free particle flow resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320321856XU CN203287286U (en) | 2013-06-05 | 2013-06-05 | Vertical-direction shift-free particle flow resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287286U true CN203287286U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320321856XU Expired - Fee Related CN203287286U (en) | 2013-06-05 | 2013-06-05 | Vertical-direction shift-free particle flow resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203287286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510185A (en) * | 2015-12-23 | 2016-04-20 | 太原理工大学 | Single-cylinder rotary viscometer |
-
2013
- 2013-06-05 CN CN201320321856XU patent/CN203287286U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510185A (en) * | 2015-12-23 | 2016-04-20 | 太原理工大学 | Single-cylinder rotary viscometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140605 |