CN101629561A - Pressurized type pressure testing pump - Google Patents
Pressurized type pressure testing pump Download PDFInfo
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- CN101629561A CN101629561A CN200910101710A CN200910101710A CN101629561A CN 101629561 A CN101629561 A CN 101629561A CN 200910101710 A CN200910101710 A CN 200910101710A CN 200910101710 A CN200910101710 A CN 200910101710A CN 101629561 A CN101629561 A CN 101629561A
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Abstract
The invention provides a pressurized type pressure testing pump which belongs to the technical field of pumps and solves the technical problems of ultra-low pressure and difficult control of pressure and flow in the prior pressure testing pump. The pressurized type pressure testing pump comprises a water supply pipeline and a hydraulic system, wherein the water supply pipeline comprises a water pump and an ultra-high pressure container; a pipeline I and a pipeline II are arranged between the water pump and the ultra-high pressure container; a one-way valve I and a one-way valve II are arranged in the pipeline I; a one-way valve III and a one-way valve IV are arranged in the pipeline II; the hydraulic system comprises a hydraulic cylinder, a reversing valve and a hydraulic pump, and the hydraulic cylinder can transmit fluid pressure in the water pump to the ultra-high pressure container. The invention has the advantages of reasonable design, favorable pressurizing effect, large output pressure, simple operation, convenient control, and the like.
Description
Technical field
The invention belongs to the pump technical field, relate to the hydraulic test pump of a kind of hydraulic test pump, particularly a kind of supercharging type.
Background technique
Hydraulic test pump is mainly used in strength test, leakage test, bursting test and the laboratory of all kinds of pressurized containers, boiler, pipeline, valve, high pressure hose and ultrahigh pressure component and obtains highly pressurised liquid; Also can be used for the perfusion of high-pressure medium; Can provide the ultrahigh pressure pressure source for biologic treating technique, food ultra high pressure treatment in addition.
At present, existing hydraulic test pump generally is such, as Chinese patent (notice of authorization number: CN201155436Y) disclose a kind of four cylinder motor test pumps, by the low pressure cylinder body, the low pressure regulation and control, pressure gauge, storage tube, water-collecting machine, transmission device, high pressure cylinder body, motor, flexible coupling, support, speed reducer, water tank is formed, it is characterized in that, transmission device is by low-pressure plunger, the low pressure seal circle, transmission case, eccentric shaft, high-pressure seal ring, high-pressure plunger, slide block and slider frame are formed, low-pressure plunger wherein, high-pressure plunger is fixed by scyewed joint after being respectively charged into slider frame, slide block and slider frame are packed in the transmission case and slide block are contained on the eccentric shaft back and pack in the speed reducer together with transmission case, the low pressure seal circle is packed in the low pressure cylinder body, by gland fixing after with the low pressure cylinder body be contained on the low-pressure plunger back by screw at transmission case one end, high-pressure seal ring is packed in the high pressure cylinder body, after being contained in high pressure cylinder body on the high-pressure plunger by gland after fixing, by screw at the transmission case the other end.
There is following technical problem in this four cylinders motor test pump: 1, this four cylinders motor test pump is an one-level booster pump, and pressure is difficult to reach 400MPa; 2, in the course of the work, the pressure pulsation impact phenomenon is arranged in the hydraulic system; 3, pressure and flow are wayward, and test efficiency is low; 4, the reciprocating speed of plunger is faster than the speed of pressurized cylinder in the ordinary course of things, and stuffing box packing damages easily, and the life-span is low; 5, pressure test does not have automatic record by manually carrying out, the requirement of incompatible modern measuring technology.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, a kind of hydraulic test pump of supercharging type has been proposed, the hydraulic test pump of this supercharging type has can be pressurized to normal pressure liquid the superhigh pressure liquid of 400MPa at least, and the hydraulic test pump of this supercharging type also have can be by connecting the characteristics that computer comes pilot pressure and flow.
Purpose of the present invention can realize by following technical proposal: a kind of hydraulic test pump of supercharging type, comprise supply channel and hydraulic system, described supply channel comprises water pump and ultrahigh pressure vessel, between water pump and ultrahigh pressure vessel, be provided with pipeline one and pipeline two, in pipeline one, be provided with one-way valve one and one-way valve two, in pipeline two, be provided with one-way valve three and one-way valve four, it is characterized in that, described hydraulic system comprises that have can be with the oil hydraulic cylinder of the feeding liquid under pressure in the water pump in the ultrahigh pressure vessel, selector valve and oil hydraulic pump, described oil hydraulic cylinder has output terminal one and output terminal two, described output terminal one is connected with pipeline one, and connection place is between one-way valve one and one-way valve two, described output terminal two is connected with pipeline two, and connection place is between one-way valve three and one-way valve four, described selector valve one end links to each other with oil hydraulic cylinder, and the other end links to each other with oil hydraulic pump by pipeline three.
The groundwork principle of the hydraulic test pump of this supercharging type is as follows, and under the effect of water pump, liquid is transported in the pipeline one between one-way valve one and the one-way valve two, and in the pipeline two between one-way valve three and the one-way valve four.Oil hydraulic pump is as the hydraulic cylinder power source, and hydraulic pump works makes hydraulic oil enter into oil hydraulic cylinder by selector valve, and under the effect of oil hydraulic cylinder, the liquid between two one-way valves constantly is sent in the ultrahigh pressure vessel, till needed ultrahigh pressure.
In the hydraulic test pump of above-mentioned supercharging type, described oil hydraulic cylinder is a double-acting hydraulic cylinder, comprise cylinder body, hydraulic pressure cavity, piston one, piston two, piston three and piston rod, described piston one, piston two, piston three and piston rod all are arranged in the hydraulic pressure cavity, described piston one is positioned at the middle part of piston rod, piston two and piston three are connected in the two ends of piston rod respectively, the output terminal one and the output terminal two of above-mentioned oil hydraulic cylinder all are connected with hydraulic pressure cavity, and above-mentioned selector valve is connected with the hydraulic pressure cavity of this oil hydraulic cylinder.
Form left hydraulic pressure cavity between piston one and the piston two, form right hydraulic pressure cavity between piston one and the piston three, selector valve has two imports, i.e. import one and import two, and import one is connected with left hydraulic pressure cavity, and import two is connected with right hydraulic pressure cavity.When the hydraulic oil in the oil hydraulic pump enters into left hydraulic pressure cavity by the import one of selector valve, piston one, piston two and piston three move right, following one-way valve two and one-way valve four are closed, and liquid is extruded by top one-way valve one and one-way valve three and enters into ultrahigh pressure vessel; When the hydraulic oil in the oil hydraulic pump enters into right hydraulic pressure cavity by the import two of selector valve, piston one, piston two and piston three are moved to the left, top one-way valve one and one-way valve three are closed, and liquid is drawn in pipeline one and the pipeline two by following one-way valve two and one-way valve four.By the effect of selector valve, make liquid repeat above-mentioned circulation, liquid just can constantly be pressed in the ultrahigh pressure vessel, till needed ultrahigh pressure.
In the hydraulic test pump of above-mentioned supercharging type, described piston one, piston two and piston three are high-pressure plunger, and all are with the overpressure resistant Sealing on piston one, piston two and piston three.By such structure, guarantee the sealing in the hydraulic pressure cavity, guarantee can obtain highly pressurised liquid in the ultrahigh pressure vessel.
In the hydraulic test pump of above-mentioned supercharging type, also be provided with pipeline four between described water pump and the ultrahigh pressure vessel, an end of described pipeline four links to each other with water pump with pipeline two by above-mentioned pipeline one, and the other end links to each other with ultrahigh pressure vessel.By pipeline four liquid in pipeline one and the pipeline two is transported in the ultrahigh pressure vessel.
In the hydraulic test pump of above-mentioned supercharging type, also be connected with unloading valve one on the described pipeline four, described unloading valve one opens or cuts out by solenoid valve one control, also is associated with pressure transducer one on the described pipeline four.Pressure transducer one is to be used for detecting pressure in the pipeline four, and links to each other with the control system of computer, and when the pressure in the pipeline four surpassed setting pressure, solenoid valve one work made unloading valve one unlatching, thereby realizes the release of pipeline four.
In the hydraulic test pump of above-mentioned supercharging type, also be connected with unloading valve two on the described ultrahigh pressure vessel, described unloading valve two opens or cuts out by solenoid valve two controls, also is associated with pressure transducer two in the described ultrahigh pressure vessel.Pressure transducer two is the pressure that is used for detecting ultrahigh pressure vessel, and link to each other with the control system of computer, when the pressure in the ultrahigh pressure vessel reaches setting value, above-mentioned selector valve outage, the sealing system that pipeline one, pipeline two pipelines three, pipeline four and ultrahigh pressure vessel are formed begins to enter packing stage, after the dwell time arrives setting value, solenoid valve two work make unloading valve two unlatchings, system begins release, when pressure reduces normal pressure, above-mentioned oil hydraulic pump, water pump quit work, the pressure test end-of-job.
In the hydraulic test pump of above-mentioned supercharging type, also be provided with one-way valve five between described unloading valve one and the pipeline four, also be provided with one-way valve six between described unloading valve two and the ultrahigh pressure vessel.By one-way valve five, prevent that under normal circumstances the liquid in the pipeline four is by flowing out in the unloading valve one.By one-way valve six, prevent that under normal circumstances the liquid in the ultrahigh pressure vessel is by flowing out in the unloading valve two.
In the hydraulic test pump of above-mentioned supercharging type, also be provided with one-way valve seven in the described pipeline four, in pipeline four, also be associated with pressure gauge.One-way valve seven is set in pipeline four, prevents liquid return in the ultrahigh pressure vessel in pipeline four, can easily check pressure condition in the pipeline four by pressure gauge.
In the hydraulic test pump of above-mentioned supercharging type, also be provided with flow proportion valve and pressure proportioning valve between described oil hydraulic pump and the selector valve, on pressure proportioning valve, also be connected with oil pressure gauge.
In the hydraulic test pump of above-mentioned supercharging type, be associated with filter one on the described water pump liquid entering hole, be associated with filter two on the filler opening of oil hydraulic pump.Prevent that by filter one foreign material from entering into water pump, prevent that by filter two foreign material from entering into oil hydraulic pump.
Compared with prior art, the hydraulic test pump of this supercharging type is used as power source by oil hydraulic pump, utilize double acting cylinder as pressurized cylinder, and the piston in the oil hydraulic cylinder one, piston two and piston three are designed to high-pressure plunger, and on piston one, piston two and piston three, all be with the overpressure resistant Sealing, and realizing that finally the liquid in the ultrahigh pressure vessel reaches 400MPa, such design is very reasonable, in the oil hydraulic cylinder sealability very high, increase the service life; In addition, the hydraulic test pump of this supercharging type also is provided with pressure transducer one, pressure transducer two, unloading valve one, unloading valve two, flow proportion valve, pressure proportioning valve etc., by the real-time control of computer to pressure and flow, guarantee the normal use of the hydraulic test pump of this supercharging type, also satisfy pressure testing requirement simultaneously to different tested objects, realize the purpose of intelligent control, and the result of record test.
Description of drawings
Fig. 1 is the structure principle chart of the hydraulic test pump of this supercharging type.
Among the figure, 1, water pump; 2, ultrahigh pressure vessel; 3, pipeline one; 4, pipeline two; 5, one-way valve one; 6, one-way valve two; 7, oil hydraulic cylinder; 7a, output terminal one; 7b, output terminal two; 8, selector valve; 8a, import one; 8b, import two; 9, oil hydraulic pump; 10, cylinder body; 11, hydraulic pressure cavity; 11a, left hydraulic pressure cavity; 11b, right hydraulic pressure cavity; 12, piston one; 13, piston two; 14, piston three; 15, piston rod; 16, pipeline four; 17, unloading valve one; 18, unloading valve two; 19, solenoid valve one; 20, solenoid valve two; 21, pressure transducer one; 22, pressure transducer two; 23, one-way valve five; 24, one-way valve six; 25, one-way valve seven; 26, pressure gauge; 27, flow proportion valve; 28, pressure proportioning valve; 29, oil pressure gauge; 30, filter one; 31, filter two; 32, one-way valve three; 33, one-way valve four; 34, pipeline three.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
The hydraulic test pump of this supercharging type comprises supply channel and hydraulic system.
As shown in Figure 1, supply channel comprises water pump 1 and ultrahigh pressure vessel 2, be provided with pipeline 1, pipeline 24 and pipeline 4 16 between water pump 1 and ultrahigh pressure vessel 2, an end of pipeline 4 16 links to each other with water pump 1 with pipeline 24 by above-mentioned pipeline 1, and the other end links to each other with ultrahigh pressure vessel 2.In pipeline 1, be provided with one-way valve 1 and one-way valve 26, in pipeline 24, be provided with one-way valve 3 32 and one-way valve 4 33.
As shown in Figure 1, hydraulic system comprises that have can be with oil hydraulic cylinder 7, selector valve 8 and the oil hydraulic pump 9 of the feeding liquid under pressure in the water pump 1 in the ultrahigh pressure vessel 2, described oil hydraulic cylinder 7 has output terminal one 7a and output terminal two 7b, described output terminal one 7a is connected with pipeline 1, and connection place is between one-way valve 1 and one-way valve 26, described output terminal two 7b are connected with pipeline 24, and connection place is between one-way valve 3 32 and one-way valve 4 33, described selector valve 8 one ends link to each other with oil hydraulic cylinder 7, and the other end links to each other with oil hydraulic pump 9 by pipeline 3 34.
Particularly, oil hydraulic cylinder 7 is a double-acting hydraulic cylinder, comprise cylinder body 10, hydraulic pressure cavity 11, piston 1, piston 2 13, piston 3 14 and piston rod 15, described piston 1, piston 2 13, piston 3 14 and piston rod 15 all are arranged in the hydraulic pressure cavity 11, described piston 1 is positioned at the middle part of piston rod 15, piston 2 13 and piston 3 14 are connected in the two ends of piston rod 15 respectively, output terminal one 7a and output terminal two 7b of above-mentioned oil hydraulic cylinder 7 all are connected with hydraulic pressure cavity 11, and above-mentioned selector valve 8 is connected with the hydraulic pressure cavity 11 of this oil hydraulic cylinder 7.
Form left hydraulic pressure cavity 11a between piston 1 and the piston 2 13, form right hydraulic pressure cavity 11b between piston 1 and the piston 3 14, selector valve 8 has two imports, i.e. import one 8a and import two 8b, import one 8a is connected with left hydraulic pressure cavity 11a, and import two 8b are connected with right hydraulic pressure cavity 11b.When the hydraulic oil in the oil hydraulic pump 9 is entered into left hydraulic pressure cavity 11a by import one 8a of selector valve 8, piston 1, piston 2 13 and piston 3 14 move right, following one-way valve 26 and one-way valve 4 33 are closed, and liquid is extruded by top one-way valve 1 and one-way valve 3 32 and enters into ultrahigh pressure vessel 2; When the hydraulic oil in the oil hydraulic pump 9 is entered into right hydraulic pressure cavity 11b by import two 8b of selector valve 8, piston 1, piston 2 13 and piston 3 14 are moved to the left, top one-way valve 1 and one-way valve 3 32 are closed, and liquid is drawn in pipeline 1 and the pipeline 24 by following one-way valve 26 and one-way valve 4 33.By the effect of selector valve 8, make liquid repeat above-mentioned circulation, liquid just can constantly be pressed in the ultrahigh pressure vessel 2, till needed ultrahigh pressure.
In the hydraulic test pump of this supercharging type, piston 1, piston 2 13 and piston 3 14 are high-pressure plunger, and all are with the overpressure resistant Sealing on piston 1, piston 2 13 and piston 3 14.By such structure, guarantee the sealing in the hydraulic pressure cavity 11, guarantee can obtain highly pressurised liquid in the ultrahigh pressure vessel 2.
Also be connected with unloading valve 1 on pipeline 4 16, described unloading valve 1 opens or cuts out by solenoid valve one 19 controls, also is associated with pressure transducer 1 on the described pipeline 4 16.Pressure transducer 1 is to be used for detecting pressure in the pipeline 4 16, and links to each other with the control system of computer, and when the pressure in the pipeline 4 16 surpassed setting pressure, solenoid valve one 19 work were opened unloading valve 1, thereby realizes the release of pipeline 4 16.
Also be connected with unloading valve 2 18 on ultrahigh pressure vessel 2, described unloading valve 2 18 opens or cuts out by solenoid valve 2 20 controls, also is associated with pressure transducer 2 22 in the described ultrahigh pressure vessel 2.Pressure transducer 2 22 is the pressure that is used for detecting ultrahigh pressure vessel 2, and link to each other with the control system of computer, when the pressure in the ultrahigh pressure vessel 2 reaches setting value, above-mentioned selector valve 8 outages, the sealing system that pipeline 1, pipeline 24 pipelines 3 34, pipeline 4 16 and ultrahigh pressure vessel 2 are formed begins to enter packing stage, after the dwell time arrives setting value, solenoid valve 2 20 work are opened unloading valve 2 18, system begins release, when pressure reduces normal pressure, above-mentioned oil hydraulic pump 9, water pump 1 quit work the pressure test end-of-job.
Between unloading valve 1 and pipeline 4 16, also be provided with one-way valve 5 23, also be provided with one-way valve 6 24 between described unloading valve 2 18 and the ultrahigh pressure vessel 2.By one-way valve 5 23, prevent that under normal circumstances the liquid in the pipeline 4 16 is by flowing out in the unloading valve 1.By one-way valve 6 24, prevent that under normal circumstances the liquid in the ultrahigh pressure vessel 2 is by flowing out in the unloading valve 2 18.In pipeline 4 16, also be provided with one-way valve 7 25, in pipeline 4 16, also be associated with pressure gauge 26.One-way valve 7 25 is set in pipeline 4 16, prevents liquid return in the ultrahigh pressure vessel 2 in pipeline 4 16, can easily check pressure condition in the pipeline 4 16 by pressure gauge 26.
Between oil hydraulic pump 9 and selector valve 8, also be provided with flow proportion valve 27 and pressure proportioning valve 28, on pressure proportioning valve 28, also be connected with oil pressure gauge 29.
In the present embodiment, also be provided with the oil-feed cross fitting between described pipeline 3 34 and the oil hydraulic pump 9, four filler openings of this oil-feed cross fitting link to each other with the pipeline that solenoid valve 1, solenoid valve 2 20, selector valve 8 and flow proportion valve 27 and pressure proportioning valve 28 are formed respectively, make by this oil-feed cross fitting that hydraulic oil can enter into solenoid valve 1, solenoid valve 2 20, selector valve 8, flow proportion valve 27 and pressure proportioning valve 28 in the oil hydraulic pump 9, as the power source of this work.In solenoid valve 1, solenoid valve 2 20, selector valve 8, flow proportion valve 27 and pressure proportioning valve 28, be equipped with the oil-return groove that is connected with the fuel tank of oil hydraulic pump 9, hydraulic oil can be circulated by oil-return groove.
On water pump 1 liquid entering hole, be associated with filter 1, be associated with filter 2 31 on the filler opening of oil hydraulic pump 9.Prevent that by filter 1 foreign material from entering into water pump 1, prevent that by filter 2 31 foreign material from entering into oil hydraulic pump 9.
The groundwork principle of the hydraulic test pump of this supercharging type is as follows, and under the effect of water pump 1, liquid is transported in the pipeline 1 between one-way valve 1 and the one-way valve 26, and in the pipeline 24 between one-way valve 3 32 and the one-way valve 4 33.Under the effect of oil hydraulic pump 9, when the hydraulic oil in the oil hydraulic pump 9 enters into left hydraulic pressure cavity 11a by import one 8a of selector valve 8, piston 1, piston 2 13 and piston 3 14 move right, following one-way valve 26 and one-way valve 4 33 are closed, and liquid is extruded by top one-way valve 1 and one-way valve 3 32 and enters into ultrahigh pressure vessel 2 by pipeline 4 16; When the hydraulic oil in the oil hydraulic pump 9 is entered into right hydraulic pressure cavity 11b by import two 8b of selector valve 8, piston 1, piston 2 13 and piston 3 14 are moved to the left, top one-way valve 1 and one-way valve 3 32 are closed, and liquid is drawn in pipeline 1 and the pipeline 24 by following one-way valve 26 and one-way valve 4 33.By the effect of selector valve 8, make liquid repeat above-mentioned circulation, liquid just can constantly be pressed in the ultrahigh pressure vessel 2, till needed ultrahigh pressure.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, water pump morely; 2, ultrahigh pressure vessel; 3, pipeline one; 4, pipeline two; 5, one-way valve one; 6, one-way valve two; 7, oil hydraulic cylinder; 7a, output terminal one; 7b, output terminal two; 8, selector valve; 8a, import one; 8b, import two; 9, oil hydraulic pump; 10, cylinder body; 11, hydraulic pressure cavity; 11a, left hydraulic pressure cavity; 11b, right hydraulic pressure cavity; 12, piston one; 13, piston two; 14, piston three; 15, piston rod; 16, pipeline four; 17, unloading valve one; 18, unloading valve two; 19, solenoid valve one; 20, solenoid valve two; 21, pressure transducer one; 22, pressure transducer two; 23, one-way valve five; 24, one-way valve six; 25, one-way valve seven; 26, pressure gauge; 27, flow proportion valve; 28, pressure proportioning valve; 29, oil pressure gauge; 30, filter one; 31, filter two; 32, one-way valve three; 33, one-way valve four; 33, the third-class term of pipeline, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1, a kind of hydraulic test pump of supercharging type, comprise supply channel and hydraulic system, described supply channel comprises water pump (1) and ultrahigh pressure vessel (2), between water pump (1) and ultrahigh pressure vessel (2), be provided with pipeline one (3) and pipeline two (4), in pipeline one (3), be provided with one-way valve one (5) and one-way valve two (6), in pipeline two (4), be provided with one-way valve three (32) and one-way valve four (33), it is characterized in that, described hydraulic system comprises that have can be with the oil hydraulic cylinder (7) of the feeding liquid under pressure in the water pump (1) in the ultrahigh pressure vessel (2), selector valve (8) and oil hydraulic pump (9), described oil hydraulic cylinder (7) has output terminal one (7a) and output terminal two (7b), described output terminal one (7a) is connected with pipeline one (3), and connection place is positioned between one-way valve one (5) and the one-way valve two (6), described output terminal two (7b) is connected with pipeline two (4), and connection place is positioned between one-way valve three (32) and the one-way valve four (33), described selector valve (8) one ends link to each other with oil hydraulic cylinder (7), and the other end links to each other with oil hydraulic pump (9) by pipeline three (34).
2, the hydraulic test pump of supercharging type according to claim 1, it is characterized in that, described oil hydraulic cylinder (7) is double-acting hydraulic cylinder (7), comprise cylinder body (10), hydraulic pressure cavity (11), piston one (12), piston two (13), piston three (14) and piston rod (15), described piston one (12), piston two (13), piston three (14) and piston rod (15) all are arranged in the hydraulic pressure cavity (11), described piston one (12) is positioned at the middle part of piston rod (15), piston two (13) and piston three (14) are connected in the two ends of piston rod (15) respectively, the output terminal one (7a) of above-mentioned oil hydraulic cylinder (7) and output terminal two (7b) all are connected with hydraulic pressure cavity (11), and above-mentioned selector valve (8) is connected with the hydraulic pressure cavity (11) of this oil hydraulic cylinder (7).
3, the hydraulic test pump of supercharging type according to claim 2, it is characterized in that, described piston one (12), piston two (13) and piston three (14) are high-pressure plunger, and all are with the overpressure resistant Sealing on piston one (12), piston two (13) and piston three (14).
4, according to the hydraulic test pump of claim 1 or 2 or 3 described supercharging type, it is characterized in that, also be provided with pipeline four (16) between described water pump (1) and the ultrahigh pressure vessel (2), one end of described pipeline four (16) links to each other with water pump (1) with pipeline two (4) by above-mentioned pipeline one (3), and the other end links to each other with ultrahigh pressure vessel (2).
5, the hydraulic test pump of supercharging type according to claim 4, it is characterized in that, also be connected with unloading valve one (17) on the described pipeline four (16), described unloading valve one (17) opens or cuts out by solenoid valve one (19) control, also is associated with pressure transducer one (21) on the described pipeline four (16).
6, according to the hydraulic test pump of claim 1 or 2 or 3 described supercharging type, it is characterized in that, also be connected with unloading valve two (18) on the described ultrahigh pressure vessel (2), described unloading valve two (18) opens or cuts out by solenoid valve two (20) controls, also is associated with pressure transducer two (22) in the described ultrahigh pressure vessel (2).
7, the hydraulic test pump of supercharging type according to claim 5, it is characterized in that, also be provided with one-way valve five (23) between described unloading valve one (17) and the pipeline four (16), also be provided with one-way valve six (24) between described unloading valve two (18) and the ultrahigh pressure vessel (2).
8, the hydraulic test pump of supercharging type according to claim 5 is characterized in that, also is provided with one-way valve seven (25) in the described pipeline four (16), also is associated with pressure gauge (26) in pipeline four (16).
9, according to the hydraulic test pump of claim 1 or 2 or 3 described supercharging type, it is characterized in that, also be provided with flow proportion valve (27) and pressure proportioning valve (28) between described oil hydraulic pump (9) and the selector valve (8), on pressure proportioning valve (28), also be connected with oil pressure gauge (29).
10, according to the hydraulic test pump of claim 1 or 2 or 3 described supercharging type, it is characterized in that, be associated with filter one (30) on described water pump (1) liquid entering hole, be associated with filter two (31) on the filler opening of oil hydraulic pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101710A CN101629561A (en) | 2009-08-13 | 2009-08-13 | Pressurized type pressure testing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101710A CN101629561A (en) | 2009-08-13 | 2009-08-13 | Pressurized type pressure testing pump |
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| Publication Number | Publication Date |
|---|---|
| CN101629561A true CN101629561A (en) | 2010-01-20 |
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ID=41574805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910101710A Pending CN101629561A (en) | 2009-08-13 | 2009-08-13 | Pressurized type pressure testing pump |
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| CN (1) | CN101629561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738218A (en) * | 2018-12-28 | 2019-05-10 | 宝鸡石油机械有限责任公司 | A kind of external pressure Work condition analogue experimental rig of drilling and extracting equipment |
| CN111810467A (en) * | 2019-04-12 | 2020-10-23 | 北京振兴计量测试研究所 | Liquid pressure controller with replaceable measuring range |
| CN115030878A (en) * | 2022-06-22 | 2022-09-09 | 中国重型机械研究院股份公司 | Ultrahigh pressure liquid continuous output method and device with pressure of more than or equal to 1000MPa |
-
2009
- 2009-08-13 CN CN200910101710A patent/CN101629561A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738218A (en) * | 2018-12-28 | 2019-05-10 | 宝鸡石油机械有限责任公司 | A kind of external pressure Work condition analogue experimental rig of drilling and extracting equipment |
| CN111810467A (en) * | 2019-04-12 | 2020-10-23 | 北京振兴计量测试研究所 | Liquid pressure controller with replaceable measuring range |
| CN111810467B (en) * | 2019-04-12 | 2022-04-12 | 北京振兴计量测试研究所 | Liquid pressure controller with replaceable measuring range |
| CN115030878A (en) * | 2022-06-22 | 2022-09-09 | 中国重型机械研究院股份公司 | Ultrahigh pressure liquid continuous output method and device with pressure of more than or equal to 1000MPa |
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