CN204594641U - Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank - Google Patents
Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank Download PDFInfo
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- CN204594641U CN204594641U CN201520087972.9U CN201520087972U CN204594641U CN 204594641 U CN204594641 U CN 204594641U CN 201520087972 U CN201520087972 U CN 201520087972U CN 204594641 U CN204594641 U CN 204594641U
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Abstract
The utility model embodiment provides hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank, solves the problem of the welding quality checking difficulty at the bottom of the spherical case of major diameter in prior art.At the bottom of the spherical case of this 5M tank, hydraulic pressure strength rig for testing comprises: pressure-bearing tire (1), pressure ring (2), support ring (3), hydraulic pressure transducer, fluid reservoir and hydraulic power unit; Wherein, described pressure-bearing tire (1) comprises pressure-bearing shell (11) and platform (12), and following peripheral and the described platform (12) of described pressure-bearing shell (11) are welded as a whole; The upper surface of described support ring (3) and transition rings (41) upper surface of store-vessel bottom (4) maintain an equal level; Described pressure ring (2) inserts described platform (12) through described support ring (3), described support ring (3) and described store-vessel bottom (4) to be pressed on together on described platform (12) by the upper vertically disposed multiple bolt (5) of circumference.
Description
Technical field
The utility model relates to hydraulic pressure strength test field, particularly hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank.
Technical background
Hydraulic pressure strength test is the necessary means of tank manufacturing process being carried out to comprehensive examination, is the technical method guaranteeing that inner pressuring load working condition safety is required.By applying the pressure (as 1.05 times) slightly larger than maneuvering load to tank, can comprehensively examine the welding quality of tank weld seam as the impact on tank overall performance such as weld strength, welding residual stress and welding deformation.Be made up of top cover, annulus and transition rings at the bottom of the spherical case of tank; Wherein, annulus is formed by the welding of multiple melon lobe, is arc-shaped welding seam between every adjacent melon lobe; It is circular seam welding between the annulus that multiple melon lobe is welded into and transition rings; After hydraulic pressure strength test, the upper surface of transition rings is integral with annular brevicone circular seam welding further.But, because the size at the bottom of the spherical case of major diameter tank is large, weld zone length is long, and the comprehensive examination of weld seam welding quality is very difficult, thus be badly in need of a kind of hydraulic pressure strength pilot system be applicable at the bottom of the spherical case of major diameter tank come to checking each parts between welding quality.
Utility model content
In view of this, the utility model embodiment provides hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank, solves the problem that the spherical case back welding of major diameter in prior art connects quality verification difficulty.
Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank that the utility model one embodiment provides, comprising:
Pressure-bearing tire (1), pressure ring (2), support ring (3), hydraulic pressure transducer, fluid reservoir and hydraulic power unit; Wherein, described pressure-bearing tire (1) comprises pressure-bearing shell (11) and platform (12), and following peripheral and the described platform (12) of described pressure-bearing shell (11) are welded as a whole; The upper surface of described support ring (3) and transition rings (41) upper surface of store-vessel bottom (4) maintain an equal level; Described pressure ring (2) inserts described platform (12) through described support ring (3), to be pressed on described platform (12) together by described support ring (3) and described store-vessel bottom (4) by the upper vertically disposed multiple bolt (5) of circumference;
The following peripheral of pressure-bearing tire (1) is provided with the inlet (6) of multiple band valve, and top is provided with the leakage fluid dram (7) of band valve; Described multiple inlet (6), leakage fluid dram (7) and fluid reservoir are connected to form closed circuit by fluid pressure line;
Hydraulic pressure transducer is arranged on the outside surface of pressure-bearing tire (1); Hydraulic power unit is arranged on described closed circuit, for closed circuit provides hydraulic power.
Hydraulic pressure strength rig for testing at the bottom of the spherical case of 5M tank that the utility model embodiment provides, store-vessel bottom is pressed on pressure-bearing tire, gap press-in liquid again under the driving of hydraulic means at the bottom of case and between pressure-bearing tire, altitude simulation tank inner pressure ring border in a state of use; Then by Real-time Collection and the record hydraulic data of the hydraulic pressure transducer on pressure-bearing tire, welding quality and the mechanical property of each weld seam of store-vessel bottom can be verified intuitively with sensing data, solve the problem that the spherical case back welding of major diameter in prior art connects quality verification difficulty.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank that provides of the utility model one embodiment.
Fig. 2 is the structure schematic top plan view of hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank that provides of the utility model one embodiment.
In figure, symbol description is as follows:
Pressure-bearing tire 1, pressure-bearing shell 11, platform 12, pressure ring 2, support ring 3, store-vessel bottom 4, transition rings 41, bolt 5, inlet 6, liquid outlet 7, viewport 8, lifting flange 9.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the structural profile schematic diagram of hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank that provides of the utility model one embodiment.Fig. 2 is the structure schematic top plan view of hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank that provides of the utility model one embodiment.
As depicted in figs. 1 and 2, at the bottom of the spherical case of this 5M tank, hydraulic pressure strength rig for testing comprises: pressure-bearing tire 1, pressure ring 2, support ring 3, hydraulic pressure transducer, fluid reservoir and hydraulic power unit; Wherein, pressure-bearing tire 1 comprises pressure-bearing shell 11 and platform 12, and following peripheral and the platform 12 of pressure-bearing shell 11 are welded as a whole; The upper surface of support ring 3 and the transition rings 41 of store-vessel bottom 4 maintain an equal level; Pressure ring 2 inserts platform 12, to be pressed on platform 12 together with store-vessel bottom 4 by support ring 3 by the upper vertically disposed multiple bolt 5 of circumference through support ring.
The following peripheral of pressure-bearing tire 1 is provided with the inlet 6 of multiple band valve, and top is provided with the liquid outlet 7 of band valve, and multiple inlet 6, liquid outlet 7 and fluid reservoir are connected to form closed circuit by fluid pressure line.Hydraulic pressure transducer is arranged on the outside surface of pressure-bearing tire 1; Hydraulic power unit is arranged on closed circuit, for closed circuit provides hydraulic power.
In the utility model one embodiment, it is characterized in that, the side circumference of support ring is provided with multiple viewport 8.Like this can further from the situation of lateral observation hydraulic pressure strength test.
In the utility model one embodiment, the installation and removal of conveniently hydraulic pressure strength rig for testing at the bottom of the spherical case of this 5M tank, the side circumference of pressure ring, pushing out ring and platform is also evenly provided with multiple lifting flange 9.
It will be understood by those skilled in the art that quantity and the model of bolt 5 and viewport 8 can determine with tank size.Such as, for the hydro-test of 5M store-vessel bottom, 160 M48 bolts can be adopted for the compression of pressure ring 2, and correspondingly bolt hole can adopt
hole.Tank size is larger, and the quantity of bolt 5 and viewport 8 also can suitably increase, and such realized snap-in force is more even, and observable angle is also more.The utility model does not limit the quantity of bolt 5 and viewport 8 and model.
In the utility model one embodiment, the top of pressure-bearing tire is also provided with air admission hole, and this air admission hole is connected by pipeline with an air pump.Like this after hydro-test, by the gas prepared by air admission hole press-in air pump, to utilize air pressure, the liquid between store-vessel bottom 4 and pressure-bearing tire 1 is extruded.
In conventional hydraulic strength test process, liquid medium used is generally potassium dichromate aqueous solution, and this solution poisonously has pollution and can leave yellow spot and deionized water nontoxic pollution-free and can not produce any spot at product surface at product surface.
But due to the technique of the preparation of current deionized water comparatively ripe, therefore in the utility model one embodiment, directly adopt deionized water to carry out alternative potassium dichromate aqueous solution as hydro-test medium.Now, what circulate in closed circuit is deionized water, so on the one hand because lower can the avoiding of dielectric conductance rate produces galvanic corrosion, and deionized water environmentally safe on the other hand, and to operating personnel's fanout free region.
In the utility model one embodiment, in order to improve sealing when store-vessel bottom 4 is pressed on platform 12 further, the upper surface of platform 12 is provided with annular seal groove.Packing washer can be installed in this annular seal groove, store-vessel bottom 4 sealing to be pressed on platform 12.
In the utility model one embodiment, hydraulic power unit comprises motor test pump motor and pump motor.Wherein, the major loop of motor test pump motor controls to be realized by isolating switch, fuse, reactor and frequency converter; Motor test pump motor is arranged the variable-frequency motor fan of power supply separately.The major loop of pump motor controls to be realized by isolating switch, contactor and electrothermal relay.
Hydraulic power unit is also by the adjustment of SIMATIC S7-200 type Programmable Controller hydraulic pressure, such as specifically can be and realize hydraulic manual adjustment by the potentiometer knob of a frequency converter, and realize to fluid injection pressurization in store-vessel bottom by a manual pressure switch; Or realize hydraulic regulation by the automatic adjustment of digital intelligent instrument, and realized to fluid injection pressurization in store-vessel bottom by a Self-pressurizing agri switch.
In the utility model one embodiment, this digital intelligent instrument also can preset hydraulic parameter threshold value, automatically stops the work of hydraulic power unit when the hydraulic data of hydraulic pressure transducer feedback reaches this hydraulic parameter threshold value.This intelligent instrument can also show real-time pressure signal as display and control element.
In the utility model one embodiment, at the bottom of the spherical case of 5M tank, the process of the test of hydraulic pressure strength rig for testing is specific as follows:
1, installation process: store-vessel bottom 4 is winched on pressure-bearing tire 1 by lifting flange 9; Support ring 3 is winched in pressure-bearing tire 1 circumferential annular groove; Lifting pressure ring 2 is on support ring 3; 160 M48 bolts 5 are inserted corresponding 160
bolt hole, and at 160
the bolt hole other end 160 nuts are fixed; Bolt 5 in Quick fastening pressure ring 2 circumference, rundown process uses ratchet-type torque spanner evenly fastening, ensures that each screw-down torque is consistent, avoids producing the phenomenon of leaking when pressurizeing; With the even fastening viewport 8 of ratchet-type torque spanner in the side circumference of support ring 3, ensure that store-vessel bottom 4 is firmly pressed on platform 12; Below platform 12, blanking cover is installed, safety net in store-vessel bottom 4 upper cover.
2, hydro-test process: the opening pressure of safety valve in hydraulic pump pipeline is adjusted to 0.2Mpa; Check that whether whole meter status is normal; The overflow hose be connected with liquid outlet 7 is connected to blowoff basin; The switch of the automatic/hand biased switch on hydraulic power unit and 3 pointer pressures and digital intelligent instrument is all opened; The force value arranging pump motor in digital intelligent instrument is 0.1Mpa, and the preset pressure value of motor test pump motor is 0.35Mpa; Start pump motor and add deionized water (timing) from the inlet 6 of rig for testing, observe after overflow hose there are flowing out and (stop timing, to record the time of adding water), close water intaking valve, observe the force value of 3 pointer pressures and digital intelligent instrument, when gauge pressure is shown as 0.1Mpa, water pump should cut out automatically; After water pump cuts out automatically, the water pump setting value of intelligent instrument is changed to 0.3Mpa, start water pump, observe the force value of 3 pointer pressures and digital intelligent instrument simultaneously, safety valve when gauge pressure is shown as 0.2Mpa in pump tube is opened, switch off the pump motor, closes inlet 6; Start the pressurization of motor test pump motor, use the potentiometer turn-knob of frequency converter frequency to be adjusted to intermediateness to carry out statistical system and reach time of 0.3Mpa and whether the pressure recorded in boost process evenly rises, there is ripple disable, close motor test pump motor, close Automatic-boosting switch; Use Manual pressurization pump pressure to be added to 0.4Mpa record pressurization number of times and pressing time, pressure closes hand supercharging switch after reaching 0.4Mpa, and pressurize is observed and recorded pressure change for 15 minutes; Open draining valve, after observation pressure is changed to 0Mpa, open gas admittance valve 1 reduction valve and the pressure of rain glass p3 is adjusted to 0.2Mpa, gas admittance valve 2 is slowly opened and makes p4 reach 0.2Mpa (inflationtime is undetermined) closedown Self-pressurizing agri switch, open the valve on liquid outlet 7, remaining deionized water is entered blowoff basin; Close liquid outlet 7 after water emptying, observing manometric pressure is namely complete test after 0Mpa.
3, subsequent processes: after test, system carries out dewatering and antirust treatment; Hang out pressure ring 2, support ring 3, store-vessel bottom 4, remove blanking cover.
In the utility model one embodiment, at the bottom of the spherical case of this 5M tank, hydraulic pressure strength rig for testing also comprises a pressure warning unit.This pressure warning unit is connected with pressure transducer.
As previously mentioned, when carrying out hydro-test to store-vessel bottom, personnel need to carry out Real Time Observation to store-vessel bottom outside surface, and several personnel will be had to observe in different angles; Especially at packing stage, double check to be carried out to the outside surface of product.Having certain pressure due to inner at the bottom of case, there is very large potential safety hazard when in-plant inspection in personnel.
For above-mentioned hidden danger, in the utility model one embodiment, at the bottom of the spherical case of this 5M tank, hydraulic pressure strength rig for testing also comprises video monitoring apparatus.This video monitoring apparatus can comprise multiple video lens and display unit, and multiple video lens is distributed in outside store-vessel bottom, transmits video monitoring signal to display unit.This display unit can show multiple camera lens picture simultaneously or show single camera lens picture separately, and can realize camera lens all around, upper and lower movement, Scalable and manual focusing under single camera lens picture.
Hydraulic pressure strength rig for testing at the bottom of the spherical case of 5M tank that the utility model embodiment provides, store-vessel bottom is pressed on pressure-bearing tire, gap press-in liquid again under the driving of hydraulic means at the bottom of case and between pressure-bearing tire, altitude simulation tank inner pressure ring border in a state of use; Then by Real-time Collection and the record hydraulic data of the hydraulic pressure transducer on pressure-bearing tire, welding quality and the mechanical property of each weld seam of store-vessel bottom can be verified intuitively with sensing data, solve the problem that the spherical case back welding of major diameter in prior art connects quality verification difficulty.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a hydraulic pressure strength rig for testing at the bottom of the spherical case of 5M tank, is characterized in that, comprising: pressure-bearing tire (1), pressure ring (2), support ring (3), hydraulic pressure transducer, fluid reservoir and hydraulic power unit; Wherein, described pressure-bearing tire (1) comprises pressure-bearing shell (11) and platform (12), and following peripheral and the described platform (12) of described pressure-bearing shell (11) are welded as a whole; The upper surface of described support ring (3) and transition rings (41) upper surface of store-vessel bottom (4) maintain an equal level; Described pressure ring (2) inserts described platform (12) through described support ring (3), to be pressed on described platform (12) together by described support ring (3) and described store-vessel bottom (4) by the upper vertically disposed multiple bolt (5) of circumference;
The following peripheral of pressure-bearing tire (1) is provided with the inlet (6) of multiple band valve, and top is provided with the leakage fluid dram (7) of band valve; Described multiple inlet (6), leakage fluid dram (7) and fluid reservoir are connected to form closed circuit by fluid pressure line;
Hydraulic pressure transducer is arranged on the outside surface of pressure-bearing tire (1); Hydraulic power unit is arranged on described closed circuit, for closed circuit provides hydraulic power.
2. equipment according to claim 1, is characterized in that, comprises further: air pump; Meanwhile, the top of described pressure-bearing tire is provided with air admission hole further; Described air admission hole is connected by pipeline with described air pump.
3. equipment according to claim 1, is characterized in that, the upper surface of described platform is provided with annular seal groove, for installing packing washer described store-vessel bottom sealing to be compressed on the platform.
4. equipment according to claim 1, is characterized in that, described hydraulic power unit comprises motor test pump motor and pump motor; Wherein,
The major loop of described motor test pump motor controls to be realized by isolating switch, fuse, reactor and frequency converter; Described motor test pump motor is arranged the variable-frequency motor fan of power supply separately;
The major loop of described pump motor controls to be realized by isolating switch, contactor and electrothermal relay.
5. equipment according to claim 1, is characterized in that, described hydraulic power unit realizes hydraulic manual by the potentiometer knob of a frequency converter and regulates; Or realize hydraulic regulation by the automatic adjustment of digital intelligent instrument.
6., according to described equipment arbitrary in claim 1 to 5, it is characterized in that, comprise further: pressure warning unit; Described pressure warning unit is connected with described hydraulic pressure transducer.
7., according to described equipment arbitrary in claim 1 to 5, it is characterized in that, comprise further: video monitoring apparatus; Described video monitoring apparatus comprises multiple video lens and display unit; Described multiple video lens is distributed in outside described store-vessel bottom, transmits video monitoring signal to described display unit.
8., according to described equipment arbitrary in claim 1 to 5, it is characterized in that, the side circumference of described support ring is provided with multiple viewport (8).
9., according to described equipment arbitrary in claim 1 to 5, it is characterized in that, the liquid medium in described closed circuit is deionized water.
10., according to described equipment arbitrary in claim 1 to 5, it is characterized in that, the side circumference of described pressure ring and/or described pushing out ring and/or described platform is evenly provided with multiple lifting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087972.9U CN204594641U (en) | 2015-02-06 | 2015-02-06 | Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087972.9U CN204594641U (en) | 2015-02-06 | 2015-02-06 | Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank |
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| Publication Number | Publication Date |
|---|---|
| CN204594641U true CN204594641U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520087972.9U Withdrawn - After Issue CN204594641U (en) | 2015-02-06 | 2015-02-06 | Hydraulic pressure strength rig for testing at the bottom of the spherical case of a kind of 5M tank |
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| CN (1) | CN204594641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655373A (en) * | 2015-02-06 | 2015-05-27 | 中国运载火箭技术研究院 | 5M container spherical bottom hydraulic intensity testing facility |
-
2015
- 2015-02-06 CN CN201520087972.9U patent/CN204594641U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655373A (en) * | 2015-02-06 | 2015-05-27 | 中国运载火箭技术研究院 | 5M container spherical bottom hydraulic intensity testing facility |
| CN104655373B (en) * | 2015-02-06 | 2018-11-27 | 中国运载火箭技术研究院 | A kind of 5M tank spherical shape bottom hydraulic pressure strength rig for testing |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20181127 |