CN103760029A - Hollow powder compressive strength tester - Google Patents
Hollow powder compressive strength tester Download PDFInfo
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- CN103760029A CN103760029A CN201310683823.4A CN201310683823A CN103760029A CN 103760029 A CN103760029 A CN 103760029A CN 201310683823 A CN201310683823 A CN 201310683823A CN 103760029 A CN103760029 A CN 103760029A
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Abstract
The invention relates to a hollow powder compressive strength tester. The hollow powder compressive strength tester comprises a supercharging device (4); the supercharging device is connected with a measuring device (5); the supercharging device is connected to an oil tank (3) and a precision pressure cylinder (2) via a supercharging host (1); the precision pressure cylinder is connected with a water tank (6) and a control device (24); the measuring device comprises a low pressure testing device (5a), and a high pressure testing device (5b); each testing device is connected with the precision pressure cylinder and a pressure tank (19) via pipelines; a bag is arranged in the pressure tank; the pipelines are provided with one-way valves and sensors; the sensors are connected with the control device; and the pipeline of the low pressure testing device is also connected with a stop valve (12). Advantages of the hollow powder compressive strength tester are that: a single-supercharging double-pressure controlling system is adopted, so that supercharging control precision of high pressure and low pressure is increased, the hollow powder compressive strength tester can be used for accurate measurement of broken rate of hollow powder inorganic materials, and artificial operation difference can be avoided effectively.
Description
Technical field
The present invention relates to hollow powder strength meter, particularly a kind of hollow powder intensity test instrument.
Background technology
Hollow glass micropearl is hollow, includes the miniature spherical material of gas, and it is a kind of unique properties and stable hollow minute particle, has advantages of that lightweight volume is large, coefficient of heat conductivity is low, dispersed, mobility, good stability.In addition, also there is insulation, self-lubricating, sound-insulating and heat-insulating, do not absorb water, corrosion-resistant, radiation proof, the excellent properties such as nontoxic.
Due to hollow-core construction and physical and mechanical property and its stable chemical property of hollow glass micropearl uniqueness, as non-metallic material feed additives, non-toxic, colorless and odorless, of many uses.
Deep diving generally adopts buoyancy adjustment medium (as hollow glass micropearl with solid buoyancy material, grade hollow plastics ball, millimeter-sized hollow glass bead) be composited with high-intensity resin, wherein, hollow glass micropearl is topmost buoyancy adjustment medium, particularly when the application of the field, deep-sea of the large degree of depth, for guaranteeing that buoyant material has higher compressive resistance and larger safe reliability, often can only adopt the compound compound substance of low-density, high intensity and high performance hollow glass micropearl and polymkeric substance.Present stage is difficult to realize the measurement to hollow glass micropearl compressive strength, through extensively retrieval, not yet finds comparatively desirable technical scheme.
Summary of the invention
The object of the invention is in order to solve present stage, hollow glass micropearl compressive strength to be difficult for the shortcoming of measurement, and the hollow powder intensity test of the one instrument proposing.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of hollow powder intensity test instrument, is characterized in that:
A, comprise supercharging device, supercharging device connects measurement mechanism;
B, described supercharging device comprise supercharging main frame, and supercharging main frame connects respectively fuel tank and accurate pressurized cylinder, on the pipeline of supercharging main frame connection fuel tank, are also provided with stop valve, and described accurate pressurized cylinder also connects respectively water tank and control device;
C, described measurement mechanism comprise low voltage experiment device and high-voltage testing device;
D, described low voltage experiment device comprise accurate pressurized cylinder, accurate pressurized cylinder is by pipeline Bonding pressure tank, in head tank, be provided with packing, on pipeline, be provided with successively stop valve, low pressure sensor, retaining valve and sensor, low pressure sensor connects instrument, and described sensor is connected with control device;
E, described high-voltage testing device comprise accurate pressurized cylinder, accurate pressurized cylinder, by pipeline Bonding pressure tank, is provided with packing in head tank, is provided with successively retaining valve, high pressure sensor and sensor on pipeline, high pressure sensor connects instrument, and described sensor is connected with control device.
On the basis of technique scheme, can there is following further technical scheme:
Described pipeline also connects safety container, and safety container is directly connected with head tank, also connects a blowdown valve on pipeline.
Described head tank comprises tank body, and the cover that is connected on tank body is provided with through hole on cover, and sealing ring is connected in tank body.
Described sealing ring comprises lower cover, under cover the upper cover that is connected, the O-ring seal that is connected between lower cover and upper cover, is also provided with drainage tube upper covering, the through hole corresponding matching on drainage tube and cover, drainage tube is also connected with pipeline.
Described packing comprises utricule, and the end cap that is connected on utricule is provided with pore on end cap, and top in end cap connects O-ring seal, at the central hole of the O-ring seal filter screen that is connected.
On the pipeline of described supercharging device, low voltage experiment device and high-voltage testing device, be equipped with a tensimeter.
On the pipeline of accurate pressurized cylinder connection water tank, also connect a filtrator.
In described accurate pressurized cylinder, be provided with two and interconnect hydraulic cylinder, can convert the oil pressure being pressed into hydraulic pressure from fuel tank, and then the hydraulic pressure in water tank is entered to measurement mechanism, carry out hollow powder intensity test.
Described control device is computing machine, and data acquisition software is housed in computing machine, and the signal transmitting by pressure inductor, controls by software.
In the end cap of described packing, filter screen is set, the water outside packing can enter in packing, again because the existence of O-ring seal and filter screen can effectively stop the hollow glass micropearl in utricule to be gone out outside packing.
This device can be widely used in the strength test of inorganic material hollow core powder, the employing static pressure test of Denging, because water is not easy compressedly, the data that obtain are true and reliable, and the compressive strength that efficiently solves granule, low-density powder is difficult for measured problem.
The invention has the advantages that: this device adopts single supercharging, dual control pressing system, improved the pressurized control precision of high and low pressure, can accurately measure the percentage of damage of hollow powder inorganic material under different pressures, and this apparatus structure is simple, easy and simple to handle, measurement data is intuitively detailed, can effectively avoid manual operation difference.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present invention;
Fig. 2 is measurement mechanism schematic diagram;
Fig. 3 is high-voltage testing device schematic diagram;
Fig. 4 is pressure tank construction and assembling schematic diagram;
Fig. 5 packing structural representation.
Embodiment
As shown in Figure 1, the hollow powder intensity test of one provided by the invention instrument, is characterized in that:
A, comprise supercharging device 4, supercharging device 4 connects measurement mechanism 5.
B, described supercharging device 4 comprise supercharging main frame 1, supercharging main frame adopts mechanical supercharger, supercharging main frame 1 connects fuel tank 3 by pipeline, supercharging main frame 1 also connects accurate pressurized cylinder 2, at supercharging main frame 1, connect on the pipeline of fuel tank 3 and also connect respectively a stop valve 12 and a tensimeter 8, described accurate pressurized cylinder 2 also connects water tank 6 by pipeline, on pipeline, connect filtrator 13, in accurate pressurized cylinder 2, be provided with pressure inductor, pressure inductor connects control device 24 by data line, and control device 24 is computing machine.
C, in conjunction with shown in Fig. 2 and Fig. 3, described measurement mechanism 5 comprises low voltage experiment device 5a and high-voltage testing device 5b.
D, described low voltage experiment device 5a comprise accurate pressurized cylinder 2, accurate pressurized cylinder 2 is by pipeline 18 Bonding pressure tanks 19, in head tank 19, be provided with packing 20, on pipeline 18, connect successively stop valve 12, tensimeter 8, low pressure sensor 14, retaining valve 7 and sensor 17, low pressure sensor 14 connects instrument 9, instrument adopts digital display meter, and the probe of described sensor 17 is arranged in pipeline 18, and sensor 17 connects control device 24 by data line.
E, described high-voltage testing device 5b comprise accurate pressurized cylinder 2, accurate pressurized cylinder 2 is by pipeline 18 Bonding pressure tanks 19, in head tank 19, be provided with packing 20, on pipeline 18, connect successively retaining valve 7, tensimeter 8, high pressure sensor 10 and sensor 17, high pressure sensor 10 connects instrument 9, and described sensor 17 is connected with control device 24.
D, described pipeline 18 also connect safety container 23, and safety container 23 is directly connected with head tank 19, are connected a blowdown valve 22 on the pipeline between safety container 23 and head tank 19.
E, in conjunction with shown in Fig. 4, described head tank 19 comprises tank body 27, tank body 27 is a bulge with opening, the cavity of tank body 27 is also circular, outside and inner side on tank body 27 tops are equipped with one section of screw thread, on tank body 27, be threaded connection a cover 25, on cover 25, be provided with through hole 25a, in the cavity of tank body 27, be threaded connection a sealing ring 26.
Described sealing ring 26 comprises lower cover 33, the upper cover 32 that is connected on lower cover 33, and an O-ring seal 34 is connected between lower cover 33 and upper cover 32.
Described lower cover 33 is cylindrical, at the outside surface of cylinder, is provided with screw thread, in a side of lower cover 33, is provided with a round boss 33a, in the outer ring of boss 33a, is provided with external thread, and lower cover 33Guo center is provided with a lower center pit 33b.
Described upper cover 32 is cylindrical, outside surface at cylinder is also provided with screw thread, in a side of upper cover 32, be provided with circular sleeve 32a, another side and be provided with drainage tube 35, at the inner ring of sleeve 32a, be provided with internal thread, upper cover 32Guo center is provided with a upper center pit 32b.
Described sleeve 32a is connected by threaded engagement with boss 33a, O-ring seal 34 is socketed on sleeve 32a, in the cavity that is threaded in tank body 27 by their outsides after lower cover 33 is connected with upper cover 32, upper cover 32 is structure as a whole with drainage tube 35, drainage tube 35 communicates with the upper center pit 32b of upper cover 32 and the lower center pit 33b of lower cover, drainage tube 35 runs through the through hole 25a on cover 25, is provided with one section of flexible pipe in the end of pipeline 18, and pipeline 18 links together by flexible pipe and drainage tube 35.
F, in conjunction with shown in Fig. 5, described packing 20 comprises utricule 29, described utricule 29 is a circular cylinder, on utricule 29, be threaded connection an end cap 28, on end cap 28, be provided with pore 28a, top in end cap 28 bond respectively an O-ring seal 30 and a filter screen 31, the outer ring of O-ring seal 30 contacts cooperation with the round wall 28b of end cap 28, and O-ring seal 30 contacts cooperation with the open end of utricule 29, O-ring seal 30 seals lower cover 33 and upper cover 32, described filter screen 31 is arranged in the center pit 30a of O-ring seal 30, and filter screen 31 is bonded on pore 28a.
principle of work
Oil in fuel tank 3 pressurizes through supercharging main frame 1, oil pressure is entered to accurate pressurized cylinder 2, in accurate pressurized cylinder 2 under the effect of two hydraulic cylinders, thereby the hydraulic pressure in water tank 6 is entered in accurate pressurized cylinder 2, and then in accurate pressurized cylinder 2, oil pressure is converted to hydraulic pressure, again owing to being provided with pressure transducer in accurate pressurized cylinder 2, so pressure signal can be controlled by control device 24.Water in pipeline 18 after pressurization is through the control of retaining valve 12 and retaining valve 7, free choice for use low voltage experiment device 5a and high-voltage testing device 5b test, water enters in head tank 19 through sensor 17, by the pore 28a in the middle of packing 20 upper covers, enter in packing, when the interior input pressure value of head tank 19 reaches preset pressure, sensor 17 passes to control device 24 by signal, and control device 24 is controlled and made system automatically stop pressurizeing and carrying out pressurize, and the dwell time can be set.After pressurize finishes, close supercharging main frame 1, by blowdown valve 22 and safety container 23 pressure releases, then take out packing 20, packing 20 is put into water, packing is vacuumized, measure the weight being encapsulated in water, by the weight change being encapsulated in water before and after pressurization, calculate the percentage of damage of hollow glass micropearl, thereby draw the compressive strength of hollow glass micropearl.
Claims (7)
1. a hollow powder intensity test instrument, is characterized in that:
A, comprise supercharging device (4), supercharging device (4) connects measurement mechanism (5);
B, described supercharging device (4) comprise supercharging main frame (1), supercharging main frame (1) connects respectively fuel tank (3) and accurate pressurized cylinder (2), on the pipeline of supercharging main frame (1) connection fuel tank (3), be also provided with stop valve (12), described accurate pressurized cylinder (2) also connects respectively water tank (6) and control device (24);
C, described measurement mechanism (5) comprise low voltage experiment device (5a) and high-voltage testing device (5b);
D, described low voltage experiment device (5a) comprise accurate pressurized cylinder (2), accurate pressurized cylinder (2) is by pipeline (18) Bonding pressure tank (19), in head tank (19), be provided with packing (20), on pipeline (18), be provided with successively stop valve (12), low pressure sensor (14), retaining valve (7) and sensor (17), low pressure sensor (14) connects instrument (9), and described sensor (17) is connected with control device (24);
E, described high-voltage testing device (5b) comprise accurate pressurized cylinder (2), accurate pressurized cylinder (2) is by pipeline (18) Bonding pressure tank (19), in head tank (19), be provided with packing (20), on pipeline (18), be provided with successively retaining valve (7), high pressure sensor (10) and sensor (17), high pressure sensor (10) connects instrument (9), and described sensor (17) is connected with control device (24).
2. the hollow powder intensity test of one according to claim 1 instrument, is characterized in that: described pipeline (18) also connects safety container (23), and safety container is directly connected with head tank (19), also connects a blowdown valve (22) on pipeline.
3. the hollow powder intensity test of one according to claim 1 instrument, it is characterized in that: described head tank (19) comprises tank body (27), cover (25) is connected on tank body (27), on cover (25), be provided with through hole (25a), sealing ring (26) is connected in tank body (27).
4. the hollow powder intensity test of one according to claim 3 instrument, it is characterized in that: described sealing ring (26) comprises lower cover (33), upper cover (31) is connected on lower cover (33), O-ring seal (34) is connected between lower cover (33) and upper cover (31), on upper cover (31), be also provided with drainage tube (35), through hole (25a) corresponding matching on drainage tube (35) and cover (25), drainage tube (35) is also connected with pipeline (18).
5. the hollow powder intensity test of one according to claim 1 instrument, it is characterized in that: described packing (20) comprises utricule (29), an end cap (28) is connected on utricule (29), on end cap (28), be provided with pore (28a), top in end cap (28) connects O-ring seal (30), at the central hole of O-ring seal (30) filter screen (31) that is connected.
6. the hollow powder intensity test of one according to claim 1 instrument, is characterized in that: on the pipeline of described supercharging device (4), low voltage experiment device (5a) and high-voltage testing device (5b), be equipped with a tensimeter (8).
7. the hollow powder intensity test of one according to claim 1 instrument, is characterized in that: on the pipeline of accurate pressurized cylinder (2) connection water tank (6), also connect a filtrator (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683823.4A CN103760029A (en) | 2013-12-14 | 2013-12-14 | Hollow powder compressive strength tester |
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| CN201310683823.4A CN103760029A (en) | 2013-12-14 | 2013-12-14 | Hollow powder compressive strength tester |
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| CN103760029A true CN103760029A (en) | 2014-04-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954506A (en) * | 2014-05-12 | 2014-07-30 | 中国科学院理化技术研究所 | Method for measuring isostatic pressure resistance of hollow glass beads |
| CN106840909A (en) * | 2015-12-03 | 2017-06-13 | 中国石油天然气股份有限公司 | Test method and its device and the application of hollow glass microballoon compressive property |
| CN114046929A (en) * | 2021-11-08 | 2022-02-15 | 成都国光电气股份有限公司 | Multifunctional vacuum calibration system and method |
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2013
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954506A (en) * | 2014-05-12 | 2014-07-30 | 中国科学院理化技术研究所 | Method for measuring isostatic pressure resistance of hollow glass beads |
| CN106840909A (en) * | 2015-12-03 | 2017-06-13 | 中国石油天然气股份有限公司 | Test method and its device and the application of hollow glass microballoon compressive property |
| CN106840909B (en) * | 2015-12-03 | 2020-04-10 | 中国石油天然气股份有限公司 | Method for testing compression resistance of hollow glass microspheres and device and application thereof |
| CN114046929A (en) * | 2021-11-08 | 2022-02-15 | 成都国光电气股份有限公司 | Multifunctional vacuum calibration system and method |
| CN114046929B (en) * | 2021-11-08 | 2024-05-07 | 成都国光电气股份有限公司 | Multifunctional vacuum calibration system and method |
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Application publication date: 20140430 |