CN201096688Y - Dual-diameter, dual-direction and dual speed oil jar pressure tester - Google Patents
Dual-diameter, dual-direction and dual speed oil jar pressure tester Download PDFInfo
- Publication number
- CN201096688Y CN201096688Y CNU2007201778909U CN200720177890U CN201096688Y CN 201096688 Y CN201096688 Y CN 201096688Y CN U2007201778909 U CNU2007201778909 U CN U2007201778909U CN 200720177890 U CN200720177890 U CN 200720177890U CN 201096688 Y CN201096688 Y CN 201096688Y
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- tank body
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- diameter piston
- bearing plate
- small oil
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Abstract
The utility model relates to a pressure test machine, in particular to a double-diameter bi-directional double-speed cylinder pressure test machine, which is composed of a beam, an upper bearing plate, a lower bearing plate, a stress rod, a big cylinder body, a small cylinder body, a double-diameter piston, a box body and a hydraulic pressure system, the beam is arranged fixedly above the two stress rods, a sensor is embedded fixedly at the center in the beam and adhered with the below upper bearing plate, the upper bearing plate and the upper beam are arranged fixedly on the stress rod, the big cylinder body is arranged fixedly below the two stress rods, the small cylinder body is embedded at the center of the bottom face of the large cylinder body, the tail of the double-diameter piston is penetrated through the big cylinder body and rested in the small cylinder body, the head of the double-diameter piston is rested in the big cylinder body, the lower bearing plate is arranged above the head of the double-diameter piston, the box body is arranged at the bottom of the device, the hydraulic pressure system is communicated with the big cylinder oil-in space, small oil cylinder oil-out space and the small cylinder positive space. The utility model applies the hydraulic pressure system for loading, so as to control extrusion distance, thereby reaching free adjustment and rapid precision positioning.
Description
Technical field
The utility model relates to a kind of pressure testing machine, particularly a kind of two footpaths two-way double speed degree oil cylinder working-pressure testing machine.
Background technology
Pressure testing machine is mainly used in the compression mechanical property test of metal, nonmetallic materials.Existing pressure testing machine, system's extruding distance are manually control, and positioning error is big, complex structure, and the manufacturing cost height, each parts and drive mechanism performance fatiguability, intensity is low, and mechanical fault height, instrument neatly can not be guaranteed.
The utility model content
Technical problem to be solved in the utility model provides a kind of two footpaths two-way double speed degree oil cylinder working-pressure testing machine, and it pushes distance by HYDRAULIC CONTROL SYSTEM, adopts the oil cylinder underlying, the double space framed structure, and the hydraulic pressure loading can accurately be located fast.
For solving the problems of the technologies described above, the utility model is realized as follows: pressure testing machine described in the utility model is made up of crossbeam, last bearing plate, following bearing plate, force rod, large tank body, small oil tank body, double diameter piston, casing and hydraulic system; Crossbeam is fixedly mounted on two force rods top; The crossbeam central interior is embedded with sensor, is fixed on its inside, with its below last bearing plate closely bond; Last bearing plate is fixed on the force rod with entablature, and fits tightly with force rod; The large tank body is fixedly mounted on two force rods below, and its bottom surface central authorities are embedded with the small oil tank body; The double diameter piston afterbody passes the large tank body drop in the small oil tank body, and fit tightly with small oil tank body inwall, the double diameter piston head falls within the large tank body, and fit tightly with large tank body inwall, the double diameter piston head is that last plane has depression, which is provided with down bearing plate, following bearing plate bottom surface has projection to match with double diameter piston head depression.Double diameter piston and large tank body and small oil tank body constitute bascule moving up and down; Y type envelope twists in double diameter piston head outer wall and the sealing of large tank body mouth inwall joint; Casing places this bottom of device, and its internal cavities is corresponding with large tank body, small oil tank body and force rod position; Hydraulic system passes in and out oily space with large tank oil-feed space, small oil tank and the small oil tank forward space is communicated with.
Described sensor can accurately be measured the power value and feed back to computing machine and compare computing, and then the update the system parameter, finishes the closed-loop control of power value.
Described double diameter piston is that head diameter is big, the design that tail diameter is little, simultaneously stressed two footpaths two-speed that provides when test is carried out.
Described small oil tank body inside is space structure up and down, passes in and out oily space and the small oil tank forward space is formed by small oil tank, fits tightly with the double diameter piston afterbody; And its inner space up and down is the oily space of turnover, has guaranteed that double diameter piston moves up and down speed.
Described bottom half is provided with removable leg, and is flexible.
Described hydraulic system is made up of two-position four-way reversing solenoid valve, 3-position 4-way reversing solenoid valve, fuel tank, oil pump and oil circuit, thereby can control automatically large tank body inner space and small oil tank body inner space turnover oil.
Good effect of the present utility model: pressure testing machine described in the utility model utilizes the loading of hydraulic system hydraulic pressure, and control extruding distance reaches freely and adjusts, and accurately locatees fast; Sensor can accurately be measured the power value and feed back to computing machine and compare computing, and then the update the system parameter, finishes truly power value closed-loop control; Double diameter piston is that the piston crown footpath is big, the design that the afterbody footpath is little, the stressed two-speed that provides of while when test is carried out. Y type envelope twists in piston outer wall and the sealing of large tank body mouth inwall joint, and anti-leakage of oil is effective; Small oil tank body inside is space structure up and down, passes in and out oily space and the small oil tank forward space is formed by small oil tank, fits tightly with piston tail, prevents leakage of oil; Large tank body and small oil tank body inside are the fuel-displaced space of oil-feed in the space up and down, accelerate oil-feed and go out speed oil, and piston moves fast and stable; Bottom half is provided with removable leg, and is flexible.Hydraulic system is controlled large tank body and small oil tank body turnover oil automatically, realizes that the two-way oil-feed of two footpath two-speed is fuel-displaced.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model structural representation
Among the figure, 3 times bearing plates of bearing plate on 1 sensor 2
4 force rods, 5 large tank bodies, 6 small oil tank bodies
7 double diameter pistons, 8 casing 9 and hydraulic systems
10 hydraulic system 11Y types envelope volume
12 large tank bodies pass in and out oily space 13 small oil tanks and pass in and out oily space
The 14 small oil tank forward spaces, 15 two-position four-way reversing solenoid valves
16 3-position 4-way reversing solenoid valve 17A fuel tanks
Embodiment
As shown in Figure 1, pressure testing machine described in the utility model is made up of crossbeam 1, sensor 2, last bearing plate 3, following bearing plate 4, force rod 5, large tank body 6, small oil tank body 7, double diameter piston 8, casing 9 and hydraulic system 10; Crossbeam 1 is fixedly mounted on two force rods, 5 tops; Crossbeam 1 central interior is embedded with sensor 2, is fixed on its inside, with its below last bearing plate 3 closely bond; Last bearing plate 3 is fixed on the force rod 5 with crossbeam 1, and fits tightly with force rod 5; Large tank body 6 is fixedly mounted on two force rods, 5 belows, and its bottom surface central authorities are embedded with small oil tank body 7; Double diameter piston 8 afterbodys pass large tank body 6 and fall within the small oil tank body 7, and fit tightly with small oil tank body 7 inwalls, double diameter piston 8 heads fall within the large tank body 6, and fit tightly with large tank body 6 inwalls, double diameter piston 8 heads are that last plane has depression, which is provided with down bearing plate 4, there is projection following bearing plate 4 bottom surfaces, match with double diameter piston 8 heads depression.Double diameter piston 8 constitutes bascule moving up and down with large tank body 6 and small oil tank body 7; Y type envelope volume 11 is in double diameter piston 8 head outer walls and 6 mouthfuls of inwall joint sealings of large tank body; Casing 9 places this bottom of device, and its internal cavities is corresponding with large tank body 6, small oil tank body 7 and force rod 5 positions; Hydraulic system 10 passes in and out oily space 12 with the large tank body, small oil tank passes in and out oily space 13 and the small oil tank forward space 14 is communicated with.
Described sensor 2 can accurately be measured the power value and feed back to computing machine and compare computing, and then the update the system parameter, finishes the closed-loop control of power value.
Described double diameter piston 8 is that head diameter is big, the design that tail diameter is little, simultaneously stressed two footpaths two-speed that provides when test is carried out.
Described small oil tank body 7 inside are space structure up and down, pass in and out oily space 13 and the small oil tank forward space 14 is formed by small oil tank, fit tightly with double diameter piston 8 afterbodys; And its inner space up and down is the oily space of turnover, has guaranteed that piston moves up and down speed.
Described casing 9 bottoms are provided with removable leg, and are flexible.
Described hydraulic system 10 is made up of two-position four-way reversing solenoid valve 15,3-position 4-way reversing solenoid valve 16, A fuel tank 17, B fuel tank 18, oil pump 19 and oil circuit, thereby can control automatically large tank body 6 inner spaces and small oil tank body 7 inner spaces turnover oil.
The course of work of the present utility model is:
When the experiment beginning, on last bearing plate 3, place the test specimen that needs detection, start oil pressure pump 19, open 3-position 4-way reversing solenoid valve (1.) 15, hydraulic oil enters by oil circuit (P1A1) in the small oil tank forward space 14 of small oil tank 7 in the B fuel tank 18, promotes one double diameter piston 8 afterbodys and moves upward; This moment, the large tank body passed in and out 12 increases of oily space, produced negative pressure; Because two-position four-way reversing solenoid valve (3.) 15 is in the normal state, oil circuit (A2), oil circuit (B2), oil circuit (T2) are communicated with, and small oil tank passes in and out oil and a large amount of inspirations of the quilt of the oil in the A fuel tank 17 in the oily space 13 and is full of the large tank body and passes in and out in the oily space 12.Sensing test specimen when sensor 1 is pressed onto by last bearing plate 3, system opens two-position four-way reversing solenoid valve (3.) 15, oil circuit (P2), oil circuit (A2) are communicated with, oil circuit (B2), oil circuit (T2) are communicated with, oil pump 19 supplies in the small oil tank forward space 14 from B fuel tank 18 extraction fluid and passes in and out in the oily space 12 with the large tank body, carry out two-way fuel feeding, sensor 1 is accurately measured the power value and is fed back to computing machine and compares computing, and then update the system parameter, finish truly power value closed-loop control, draw accurate power Value Data;
When off-test, two-position four-way reversing solenoid valve (3.) 15 cuts off the power supply into normality.Be oil circuit (A2), oil circuit (B2), oil circuit (T2) connection, 3-position 4-way reversing solenoid valve (1.) 16 outages, 3-position 4-way reversing solenoid valve (2.) 16 is opened, oil circuit (P1), oil circuit (B1) are communicated with, oil circuit (A1), oil circuit (T1) are communicated with, oil enters small oil tank by oil circuit (P1), oil circuit (B1) and passes in and out in the oily space 13, double diameter piston 7 is descended fast, the oil that the large tank body passes in and out in the oily space 12 is pressed down, be expressed into A fuel tank 17 by oil circuit (A2), oil circuit (T2), oil cylinder returns to original state, and entire test finishes.
Claims (6)
1, a kind of two directly two-way double speed degree oil cylinder working-pressure testing machine, it is characterized in that: it is made up of crossbeam (1), sensor (2), last bearing plate (3), following bearing plate (4), force rod (5), large tank body (6), small oil tank body (7), double diameter piston (8), casing (9) and hydraulic system (10); Crossbeam (1) is fixedly mounted on two force rods (5) top; Crossbeam (1) central interior is embedded with sensor (2), is fixed on its inside, with its below last bearing plate (3) closely bond; Last bearing plate (3) is fixed on the force rod (5) with crossbeam (1), and fits tightly with force rod (5); Large tank body (6) is fixedly mounted on two force rods (5) below, and its bottom surface central authorities are embedded with small oil tank body (7); Double diameter piston (8) afterbody passes large tank body (6) and falls within the small oil tank body (7), and fit tightly with small oil tank body (7) inwall, double diameter piston (8) head falls within the large tank body (6), and fit tightly with large tank body (6) inwall, double diameter piston (8) head is that last plane has depression, which is provided with down bearing plate (4), there is projection following bearing plate (4) bottom surface, match with double diameter piston (8) head depression, double diameter piston (8) constitutes bascule moving up and down with large tank body (6) and small oil tank body (7); Y type envelope volume (11) is in double diameter piston (8) head outer wall and large tank body (6) mouthful inwall joint sealing; Casing (9) places this bottom of device, and its internal cavities is corresponding with large tank body (6), small oil tank body (7) and force rod (5) position; Hydraulic system (10) passes in and out oily space (12) with the large tank body, small oil tank passes in and out oily space (13) and the small oil tank forward space (14) is communicated with.
2, two directly two-way double speed degree oil cylinder working-pressure testing machine according to claim 1, it is characterized in that: described sensor (2) is measured the power value and is fed back to computing machine and compares computing, and then the update the system parameter, finishes the closed-loop control of power value.
3, two directly two-way double speed degree oil cylinder working-pressure testing machine according to claim 1, it is characterized in that: described double diameter piston (8) is big for head diameter, the design that tail diameter is little, the stressed two-speed that provides of while when test is carried out.
4, two directly two-way double speed degree oil cylinder working-pressure testing machine according to claim 1, it is characterized in that: described small oil tank body (7) is inner to be space structure up and down, pass in and out oily space (13) and the small oil tank forward space (14) is formed by small oil tank, fit tightly with double diameter piston (8) afterbody, these two spaces are the oily space of turnover.
5, two directly two-way double speed degree oil cylinder working-pressure testing machine according to claim 1, it is characterized in that: described casing (9) bottom is provided with removable leg.
6, two directly two-way double speed degree oil cylinder working-pressure testing machine according to claim 1, it is characterized in that: described hydraulic system (10) is made up of two-position four-way reversing solenoid valve (15), 3-position 4-way reversing solenoid valve (16), A fuel tank (17), B fuel tank (18), oil pump (19) and oil circuit, thereby can control automatically large tank body (6) and small oil tank body (7) turnover oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201778909U CN201096688Y (en) | 2007-10-17 | 2007-10-17 | Dual-diameter, dual-direction and dual speed oil jar pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201778909U CN201096688Y (en) | 2007-10-17 | 2007-10-17 | Dual-diameter, dual-direction and dual speed oil jar pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096688Y true CN201096688Y (en) | 2008-08-06 |
Family
ID=39923741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201778909U Expired - Fee Related CN201096688Y (en) | 2007-10-17 | 2007-10-17 | Dual-diameter, dual-direction and dual speed oil jar pressure tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096688Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ303087B6 (en) * | 2009-11-12 | 2012-03-28 | Vysoké ucení technické v Brne | Loading device with permanently acting hydraulic system |
| CN102798570A (en) * | 2011-05-23 | 2012-11-28 | 北京玻钢院复合材料有限公司 | High pressure fatigue tester |
| CN104101539A (en) * | 2014-07-17 | 2014-10-15 | 沈阳兴鑫科技有限公司 | Hydraulic type two-way stretching test machine |
| CN105021464A (en) * | 2015-06-26 | 2015-11-04 | 苏州洲盛非晶科技有限公司 | Pressure testing machine used for ultracrystalline iron cores |
| CN105238682A (en) * | 2015-09-24 | 2016-01-13 | 上海化工研究院 | Straight-through multistage piston type ultrahigh-pressure micro-sample treatment device and application thereof |
| CN106990001A (en) * | 2017-04-13 | 2017-07-28 | 华中科技大学 | A kind of impact energy control and detection means |
| CN112857971A (en) * | 2021-01-25 | 2021-05-28 | 安徽理工大学 | Oil-withdrawing creep stiffness testing machine |
-
2007
- 2007-10-17 CN CNU2007201778909U patent/CN201096688Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ303087B6 (en) * | 2009-11-12 | 2012-03-28 | Vysoké ucení technické v Brne | Loading device with permanently acting hydraulic system |
| CN102798570A (en) * | 2011-05-23 | 2012-11-28 | 北京玻钢院复合材料有限公司 | High pressure fatigue tester |
| CN104101539A (en) * | 2014-07-17 | 2014-10-15 | 沈阳兴鑫科技有限公司 | Hydraulic type two-way stretching test machine |
| CN105021464A (en) * | 2015-06-26 | 2015-11-04 | 苏州洲盛非晶科技有限公司 | Pressure testing machine used for ultracrystalline iron cores |
| CN105238682A (en) * | 2015-09-24 | 2016-01-13 | 上海化工研究院 | Straight-through multistage piston type ultrahigh-pressure micro-sample treatment device and application thereof |
| CN105238682B (en) * | 2015-09-24 | 2017-08-11 | 上海化工研究院有限公司 | A kind of device of straight-through Multi-stage piston type ultra high pressure treatment micro-example and application |
| CN106990001A (en) * | 2017-04-13 | 2017-07-28 | 华中科技大学 | A kind of impact energy control and detection means |
| CN106990001B (en) * | 2017-04-13 | 2019-05-03 | 华中科技大学 | A kind of control of impact energy and detection device |
| CN112857971A (en) * | 2021-01-25 | 2021-05-28 | 安徽理工大学 | Oil-withdrawing creep stiffness testing machine |
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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: 20080806 Termination date: 20091117 |