CN203587444U - Hydrostatic testing machine - Google Patents
Hydrostatic testing machine Download PDFInfo
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- CN203587444U CN203587444U CN201320725801.5U CN201320725801U CN203587444U CN 203587444 U CN203587444 U CN 203587444U CN 201320725801 U CN201320725801 U CN 201320725801U CN 203587444 U CN203587444 U CN 203587444U
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- valve
- hydraulic cylinder
- pressing plate
- reversal valve
- body pressing
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Abstract
The utility model relates to a hydrostatic testing machine which comprises a gantry base, a machine body pressing plate, a vertical hydraulic cylinder, a travelling car and a horizontal hydraulic cylinder, wherein a water inlet and a water outlet are formed in the machine body pressing plate, the machine body pressing plate is fixedly connected with the vertical hydraulic cylinder, the vertical hydraulic cylinder is fixed at the top of the gantry base, the vertical hydraulic cylinder is longitudinally arranged along the gantry base, the travelling car is arranged below the machine body pressing plate, the traveling car is matched with the lower part of the gantry base in a sliding manner or a rolling manner, the travelling car is fixedly connected with a piston rod of the horizontal hydraulic cylinder, and the horizontal hydraulic cylinder is horizontally arranged along the gantry base. The hydrostatic testing machine is suitable for 0-1 MPa hydrostatic test of a mine flameproof enclosure with a quick operating valve structure, thereby judging the capability of the flameproof enclosure in bearing a pressure.
Description
Technical field
The utility model relates to a kind of quick operating valve explosion-resistant enclosure, is specifically related to a kind of hydrostatic testing machine of quick operating valve explosion-resistant enclosure.
Background technology
According to GB3836.2-2010 < < Electric Equipment in Explosive Gas Atmosphere part 2: the 14th article of < < of flame-proof type " d " > > checks and the regulation of test > >, flameproof electrical apparatus withstand voltage test shell need carry out withstand voltage test, and object is whether checking shell can bear inner explosion pressure.Wherein, withstand voltage test generally divides static pressure test and dynamic pressure to test two kinds.Domestic for mine explosion-suppression shell, check at present the testing machine structure of its ability that can bear pressure comparatively complicated, and in use procedure, operation is cumbersome.
Summary of the invention
For above-mentioned technical matters, the purpose of this utility model is to provide a kind of hydrostatic testing machine, and the utility model is applicable to the mine explosion-suppression shell 0-1MPa hydraulic testing of quick opening structure, and judges that by this explosion-resistant enclosure bears the ability of pressure.
The technical scheme solving the problems of the technologies described above is as follows:
Hydrostatic testing machine, comprise gantry pedestal, body pressing plate, vertical hydraulic cylinder, travelling car and horizontal hydraulic cylinder, body pressing plate is provided with water inlet and water delivering orifice, body pressing plate is fixedly connected with vertical hydraulic cylinder, vertical hydraulic cylinder is fixed on the top of gantry pedestal, vertical hydraulic cylinder is along longitudinal layout of gantry pedestal, travelling car is positioned at the below of body pressing plate, travelling car slides or rolls with the bottom of gantry pedestal and coordinates, travelling car is fixedly connected with the piston rod of horizontal hydraulic cylinder, and horizontal hydraulic cylinder is along the lateral arrangement of gantry pedestal.
Also comprise a hydraulic control system, hydraulic control system comprises fuel tank, hydraulic pump, retaining valve, the first reversal valve, the second reversal valve and diverting valve, one end of hydraulic pump is connected with fuel tank, the other end of hydraulic pump is connected with one end of retaining valve, the other end of retaining valve is connected with the input end of the first reversal valve and the second reversal valve respectively, the oil-feed output terminal of the first reversal valve is connected with one end of diverting valve, the other end of diverting valve is connected with the oil suction chamber of vertical hydraulic cylinder, the oil pocket that goes out of vertical hydraulic cylinder is connected with the oil return input port of the first reversal valve, the oil return delivery outlet fuel tank of the first reversal valve is communicated with, the oil-feed delivery outlet of the second reversal valve is communicated with the oil suction chamber of horizontal hydraulic cylinder, the oil back chamber of horizontal hydraulic cylinder is connected with the oil return input port of the second reversal valve, the oil return delivery outlet of the second reversal valve is connected with fuel tank.
Also comprise the first surplus valve and the second surplus valve, the first surplus valve is connected to going out between oil pocket and the oil return input port of the first reversal valve of vertical hydraulic cylinder, and the second surplus valve is connected between retaining valve and the second reversal valve.
Also comprise a water pressure control system, this water pressure control system comprises water tank, unidirectional quantitative hydraulic pump, retaining valve and surplus valve, one end of unidirectional quantitative hydraulic pump is connected with water tank, the other end of unidirectional quantitative hydraulic pump is connected with the input end of retaining valve, the output terminal of retaining valve is connected with the water inlet on body pressing plate, the output terminal of retaining valve is also connected with one end of surplus valve, and the other end of surplus valve is connected with water tank.
Adopted such scheme: the process of utilizing the utility model to carry out the hydraulic testing to quick operating valve class explosion-resistant enclosure is as follows: on the travelling car that quick operating valve class explosion-resistant enclosure is placed on; Operation hydraulic control system level of control hydraulic cylinder, is pushed into body pressing plate below by travelling car.Operation hydraulic control system level of control hydraulic cylinder can offer the tractive force of the maximum 10T of travelling car.Operation hydraulic control system control vertical hydraulic cylinder, is pressed in body pressing plate on quick operating valve class explosion-resistant enclosure and flange, and control vertical hydraulic cylinder imposes on the pressure of the maximum 120T of shell.Operating hydraulic pressure control system, injects WATER AS FLOW MEDIUM in explosion-resistant enclosure, until water delivering orifice there are flowing out by body pressing plate 2 water inlets.Shut-down operation water pressure control system, screws in tensimeter at water delivering orifice.Making every effort to overcome of applying by vertical hydraulic cylinder takes the 1Mpa pressure being produced by water pressure control system in chamber.Again operating hydraulic pressure control system, until water delivering orifice tensimeter shows that force value meets the requirements.The utility model is applicable to the mine explosion-suppression shell hydraulic testing of quick opening structure: 0-1MPa, judges that explosion-resistant enclosure bears the ability of pressure.
The utility model adopts the method for static pressure test to judge that flame proof parts bear the ability of pressure, this is because static pressure test generally carries out with hydraulic pressure or air pressure, cost is low, safe ready, simultaneously because the hydraulic testing can be played certain cleanup action to tested parts in process of the test, and be beneficial to result is carried out to intuitive judgment.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydrostatic testing machine of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the schematic diagram of hydraulic control system in the utility model;
Fig. 4 is the schematic diagram of water pressure control system in the utility model;
In figure, 1 is gantry pedestal, and 2 is body pressing plate, and 2a is water inlet, 2b is water delivering orifice, and 21 is water tank, and 22 is unidirectional quantitative hydraulic pump, and 23 is retaining valve, 24 is surplus valve, and 3 is travelling car, and 4 is vertical hydraulic cylinder, 41 is fuel tank, and 42 is hydraulic pump, and 43 is retaining valve, 44 is the first reversal valve, and 45 is the second reversal valve, and 46 is diverting valve, 47 is the first surplus valve, and 48 is the second surplus valve, and 5 is horizontal hydraulic cylinder.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See figures.1.and.2, hydrostatic testing machine of the present utility model, comprise gantry pedestal 1, body pressing plate 2, vertical hydraulic cylinder 4, travelling car 3 and horizontal hydraulic cylinder 5, body pressing plate 2 is provided with water inlet 2a and water delivering orifice 2b, and body pressing plate 2 is fixedly connected with vertical hydraulic cylinder 4.Vertical hydraulic cylinder 4 is fixed on the top of gantry pedestal 1, vertical hydraulic cylinder 4 is along longitudinal layout of gantry pedestal 1, travelling car 3 is positioned at the below of body pressing plate 2, travelling car 3 slides or rolls with the bottom of gantry pedestal 1 and coordinates, travelling car 3 is fixedly connected with the piston rod of horizontal hydraulic cylinder 5, and horizontal hydraulic cylinder 5 is along the lateral arrangement of gantry pedestal 1.
Also comprise a hydraulic control system, this hydraulic control system is used for controlling vertical hydraulic cylinder 4 and horizontal hydraulic cylinder 5.Hydraulic control system comprises fuel tank 41, hydraulic pump 42, retaining valve 43, the first reversal valve 44, the second reversal valve 45, diverting valve 46, the first surplus valve 47 and the second surplus valve 48, one end of hydraulic pump 42 is connected with fuel tank 41, the other end of hydraulic pump 42 is connected with one end of retaining valve 43, the other end of retaining valve 43 is connected with the input end of the first reversal valve 44 and the second reversal valve 45 respectively, the oil-feed output terminal of the first reversal valve 44 is connected with one end of diverting valve 46, the other end of diverting valve 46 is connected with the oil suction chamber of vertical hydraulic cylinder 4, the oil pocket that goes out of vertical hydraulic cylinder 4 is connected with the oil return input port of the first reversal valve 44, the oil return delivery outlet fuel tank 41 of the first reversal valve 44 is communicated with.The oil-feed delivery outlet of the second reversal valve 45 is communicated with the oil suction chamber of horizontal hydraulic cylinder 5, and the oil back chamber of horizontal hydraulic cylinder 5 is connected with the oil return input port of the second reversal valve 45, and the oil return delivery outlet of the second reversal valve 45 is connected with fuel tank 41.The first surplus valve 47 is connected to going out between oil pocket and the oil return input port of the first reversal valve 44 of vertical hydraulic cylinder 4, and the second surplus valve 48 is connected between retaining valve 43 and the second reversal valve 45.
Also comprise a water pressure control system, this water pressure control system passes into experimental water for the water inlet 2a on body pressing plate 2.This water pressure control system comprises water tank 21, unidirectional quantitative hydraulic pump 22, retaining valve 23 and surplus valve 24, one end of unidirectional quantitative hydraulic pump 22 is connected with water tank 21, the other end of unidirectional quantitative hydraulic pump 22 is connected with the input end of retaining valve 23, the output terminal of retaining valve 23 is connected with the water inlet 2a on body pressing plate 2, the output terminal of retaining valve 23 is also connected with one end of surplus valve 24, and the other end of surplus valve 24 is connected with water tank 21.
The process of utilizing the utility model to carry out the hydraulic testing to quick operating valve class explosion-resistant enclosure is as follows:
The first step: quick operating valve class explosion-resistant enclosure is placed on the travelling car 3 shown in figure (1);
Second step: operation hydraulic control system (Fig. 3) level of control hydraulic cylinder 5, is pushed into body pressing plate 2 belows by travelling car 3.Operation hydraulic control system figure level of control hydraulic cylinder can offer the tractive force of travelling car 3 maximum 10T
The 3rd step: operation hydraulic control system (Fig. 3) is controlled vertical hydraulic cylinder 4, and body pressing plate 2 is pressed on quick operating valve class explosion-resistant enclosure and flange.Control the pressure that vertical hydraulic cylinder 4 imposes on the maximum 120T of shell
The 4th step: operating hydraulic pressure control system (Fig. 4), WATER AS FLOW MEDIUM is injected in explosion-resistant enclosure, until water delivering orifice there are flowing out by body pressing plate 2 water inlet 2a.
The 5th step: shut-down operation water pressure control system (Fig. 4), screws in tensimeter at water delivering orifice.Making every effort to overcome of applying by vertical hydraulic cylinder 4 takes the 1Mpa pressure being produced by water pressure control system in chamber.
The 6th step: operating hydraulic pressure control system (Fig. 4) again, until water delivering orifice tensimeter shows that force value meets the requirements.
Claims (4)
1. hydrostatic testing machine, it is characterized in that: comprise gantry pedestal, body pressing plate, vertical hydraulic cylinder, travelling car and horizontal hydraulic cylinder, body pressing plate is provided with water inlet and water delivering orifice, body pressing plate is fixedly connected with vertical hydraulic cylinder, vertical hydraulic cylinder is fixed on the top of gantry pedestal, vertical hydraulic cylinder is along longitudinal layout of gantry pedestal, travelling car is positioned at the below of body pressing plate, travelling car slides or rolls with the bottom of gantry pedestal and coordinates, travelling car is fixedly connected with the piston rod of horizontal hydraulic cylinder, horizontal hydraulic cylinder is along the lateral arrangement of gantry pedestal.
2. hydrostatic testing machine according to claim 1, it is characterized in that: also comprise a hydraulic control system, hydraulic control system comprises fuel tank, hydraulic pump, retaining valve, the first reversal valve, the second reversal valve and diverting valve, one end of hydraulic pump is connected with fuel tank, the other end of hydraulic pump is connected with one end of retaining valve, the other end of retaining valve is connected with the input end of the first reversal valve and the second reversal valve respectively, the oil-feed output terminal of the first reversal valve is connected with one end of diverting valve, the other end of diverting valve is connected with the oil suction chamber of vertical hydraulic cylinder, the oil pocket that goes out of vertical hydraulic cylinder is connected with the oil return input port of the first reversal valve, the oil return delivery outlet fuel tank of the first reversal valve is communicated with, the oil-feed delivery outlet of the second reversal valve is communicated with the oil suction chamber of horizontal hydraulic cylinder, the oil back chamber of horizontal hydraulic cylinder is connected with the oil return input port of the second reversal valve, the oil return delivery outlet of the second reversal valve is connected with fuel tank.
3. hydrostatic testing machine according to claim 2, it is characterized in that: also comprise the first surplus valve and the second surplus valve, the first surplus valve is connected to going out between oil pocket and the oil return input port of the first reversal valve of vertical hydraulic cylinder, and the second surplus valve is connected between retaining valve and the second reversal valve.
4. hydrostatic testing machine according to claim 1, it is characterized in that: also comprise a water pressure control system, this water pressure control system comprises water tank, unidirectional quantitative hydraulic pump, retaining valve and surplus valve, one end of unidirectional quantitative hydraulic pump is connected with water tank, the other end of unidirectional quantitative hydraulic pump is connected with the input end of retaining valve, the output terminal of retaining valve is connected with the water inlet on body pressing plate, and the output terminal of retaining valve is also connected with one end of surplus valve, and the other end of surplus valve is connected with water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725801.5U CN203587444U (en) | 2013-11-18 | 2013-11-18 | Hydrostatic testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725801.5U CN203587444U (en) | 2013-11-18 | 2013-11-18 | Hydrostatic testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587444U true CN203587444U (en) | 2014-05-07 |
Family
ID=50585347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725801.5U Expired - Fee Related CN203587444U (en) | 2013-11-18 | 2013-11-18 | Hydrostatic testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203390A (en) * | 2015-10-27 | 2015-12-30 | 苏州听毅华自动化设备有限公司 | Press testing device stand for submersible pump cover detection |
| CN105547615A (en) * | 2016-01-30 | 2016-05-04 | 桂林电子科技大学 | Flameproof box hydraulic test device |
-
2013
- 2013-11-18 CN CN201320725801.5U patent/CN203587444U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203390A (en) * | 2015-10-27 | 2015-12-30 | 苏州听毅华自动化设备有限公司 | Press testing device stand for submersible pump cover detection |
| CN105547615A (en) * | 2016-01-30 | 2016-05-04 | 桂林电子科技大学 | Flameproof box hydraulic test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |