Solar energy heating header leakage detection apparatus
Technical field
The present invention relates to a kind of solar energy heating header leakage detection apparatus, belong to mechanical field.
Background technology
After completing, solar energy heating header assembly welding needs to detect its impermeability, header body forms cylindrical shell by welding, on its wall, axially leave weld seam, header body two ends and end cap are welded and fixed in addition, on end cap, go back welding wire head tube, these weld seams are all the targets that needs leak detection, on header, have in addition header hole, irregular also can causing of header hole shape leaks, if header has gap, can cause sun power to leak making after finished product so, general leak test plant is, by air bag, the hole of header one side is blocked, in silk head tube, in header, inflate, then header is put into water, see if there is Bubble formation, there is Bubble formation to illustrate that there is gap at this place, need to do over again or abandon, the shortcoming of this equipment is, complex operation, be difficult for observing leakage point, need the detection of one side one side, efficiency is low, there is no specific fixture, not quick detachable.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide a kind of leak detection efficiency high, the solar energy heating header leakage detection apparatus of hunting leak effective.
Solar energy heating header leakage detection apparatus of the present invention, comprises tank, establishes gas charging system on tank, establishes fixture and switching mechanism in tank, establishes gas seal member on fixture;
Fixture comprises inflation beam, inflation beam is a tube-like piece, welded seal is passed through at two ends, clamping plate intermediate plate is established respectively in inflation beam both sides, and two clamping plate intermediate plates are clipped on inflation beam, and through hole is established at the two ends of clamping plate intermediate plate, screw rod passes through hole and fixes by nut, clamping plate intermediate plate is clamped on inflation beam, vertically inflates beam direction and be bolted clamping plate fixed head at screw rod two ends, edge inflation beam direction strap on clamping plate fixed head;
Switching mechanism comprises T-beam, T-beam both upper ends thereof is fixed on tank along upper, T-beam upper articulation overturning oil cylinder, hinged upset screw rod on overturning oil cylinder telescopic shaft, upset screw rod radially passes trip shaft and is fixed on trip shaft by nut, trip shaft is welded on inflation beam, and trip shaft is arranged on T-beam bottom by bearing;
Gas charging system comprises air pump, air pump connects respectively inflation beam and inflation plug, inflation plug is fixed on the expansion link of inflation cylinder, inflation plug and the sealing of expansion link link, working end is open, in inflation plug, establish annular flexible glue, air pump is communicated with the space in the middle of annular flexible glue, on inflation beam, establish gas seal member, gas seal member comprises airtight cylinder, and two annular air-pockets are established respectively at airtight cylinder two ends, and bolt is threaded with inflation beam through two air bags, bolt hollow, all establishes through hole and is communicated with inflation beam on the airbag wall in airtight cylinder and bolt wall.
On clamping plate with header on the correspondence position of weld seam establish eye split, be convenient to observe weld seam and whether leak gas.
Trip shaft in a side of inflating beam, prevents that in the time of upset, inflating beam end is subject to stress and occurs affecting impermeability in crack with the weld seam of inflation beam.
The upset bit switch of limiting on cylinder, limit switch is connected with control system, after expansion link is retracted into a certain degree, touches limit switch, stops by the control system control cylinder that overturns, and makes the flip angle of fixture certain.
Between air pump and inflation beam, inflation plug, on pipeline, establish rain glass.
Between air pump and inflation beam, inflation plug, on pipeline, establish safety valve.
Inflation cylinder is fixed on inflation cylinder clamping plate, and inflation cylinder clamping plate on inflation beam, are avoided the damage of welding to inflation sill bolt by bolt clip, prevent its gas leakage.
Principle of work and process:
When work, the in-built water of tank, solar energy heating header is arranged on inflation beam by the hole on it is corresponding with gas seal member, tight a bolt and make clamping plate clamp header, air pump is inflated in inflation beam, air enters air bag, air bag expands and header hole close contact is made to its sealing, and the inflation cylinder action at header two ends, gets lodged in inflation plug in the silk head tube at header two ends, and seal by annular flexible glue, the action of upset cylinder, drives upset screw action, and then drives the action of inflation beam, whether header, observing header has the place of gas leakage if being turn to underwater.
The beneficial effect that the present invention compared with prior art had is:
Solar energy heating header leakage detection apparatus of the present invention,
Brief description of the drawings
Fig. 1 is embodiment of the present invention front view;
Fig. 2 is the vertical view of fixture embodiment illustrated in fig. 1;
Fig. 3 is A-A schematic cross-section embodiment illustrated in fig. 2;
Fig. 4 is the left view of switching mechanism embodiment illustrated in fig. 1;
Fig. 5 is trip shaft embodiment illustrated in fig. 1 and inflation beam welding position schematic diagram;
Fig. 6 is the schematic diagram of gas charging system embodiment illustrated in fig. 1;
Fig. 7 is gas seal member schematic diagram embodiment illustrated in fig. 6;
Fig. 8 is header schematic diagram;
In figure: 1, gas charging system; 1-1, rain glass; 1-2, solenoid valve; 1-3, annular flexible glue; 1-4, inflation cylinder; 1-5, inflation plug; 1-6, inflation cylinder clamping plate; 1-7, air pump; 1-8, safety valve; 1-9, gas seal member; 1-10, trim ring; 1-11, air bag; 1-12, bolt; 1-13, airtight cylinder; 1-14, through hole; 2, tank; 3, switching mechanism; 3-1, T-beam; 3-2, upset screw rod; 3-3, trip shaft; 3-4, limit switch; 3-5, upset cylinder; 4, fixture; 4-1, inflation beam; 4-2, clamping plate; 4-3, clamping plate fixed head; 4-4, screw rod; 4-5, clamping plate intermediate plate; 4-6, eye split.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
As Figure 1-Figure 8, solar energy heating header leakage detection apparatus of the present invention, comprises tank 2, establishes gas charging system 1 on tank 2, establishes fixture 4 and switching mechanism 3 in tank 2, establishes gas seal member 1-9 on fixture 4;
Fixture 4 comprises inflation beam 4-1, inflation beam 4-1 is a tube-like piece, welded seal is passed through at two ends, clamping plate intermediate plate 4-5 is established respectively in inflation beam 4-1 both sides, two clamping plate intermediate plate 4-5 are clipped on inflation beam 4-1, through hole is established at the two ends of clamping plate intermediate plate 4-5, screw rod 4-4 passes through hole and fixes by nut, clamping plate intermediate plate 4-5 is clamped on inflation beam 4-1, vertical inflation beam 4-1 direction is bolted clamping plate fixed head 4-3 at screw rod 4-4 two ends, and clamping plate fixed head 4-3 is upper along inflation beam 4-1 direction strap 4-2;
Switching mechanism 3 comprises T-beam 3-1, T-beam 3-1 both upper ends thereof is fixed on tank 2 along upper, T-beam 3-1 upper articulation overturning oil cylinder 3-5, hinged upset screw rod 3-2 on overturning oil cylinder 3-5 telescopic shaft, upset screw rod 3-2 radially passes trip shaft 3-3 and is fixed on trip shaft 3-3 by nut, it is upper that trip shaft 3-3 is welded on inflation beam 4-1, and trip shaft 3-3 is arranged on T-beam 3-1 bottom by bearing;
Gas charging system comprises air pump 1-7, air pump 1-7 connects respectively inflation beam 4-1 and inflation plug 1-5, inflation plug 1-5 is fixed on the expansion link of inflation cylinder 1-4, inflation plug 1-5 and the sealing of expansion link link, working end is open, in inflation plug 1-5, establish annular flexible glue 1-3, air pump 1-7 is communicated with the space in the middle of annular flexible glue 1-3, on inflation beam 4-1, establish gas seal member 1-9, gas seal member 1-9 comprises airtight cylinder 1-13, two annular air-pocket 1-11 are established respectively at airtight cylinder 1-13 two ends, bolt 1-12 is threaded with inflation beam 4-1 through two air bag 1-11, bolt 1-12 hollow, on airbag wall in airtight cylinder 1-13 and bolt wall, all establishing through hole 1-14 is communicated with inflation beam.
Whether on the upper and header of clamping plate 4-2, the correspondence position of weld seam is established eye split 4-6, be convenient to observe weld seam and leak gas.
Trip shaft 3-3 in a side of inflating beam 4-1, prevents that in the time of upset, inflating beam 4-1 end is subject to stress and occurs affecting impermeability in crack with the weld seam of inflation beam 4-1.
The bit switch 3-4 that limits on upset cylinder 3-5, limit switch 3-4 is connected with control system, touches limit switch 3-4 after expansion link is retracted into a certain degree, stops by the control system control cylinder 3-5 that overturns, and makes the flip angle of fixture certain.
Between air pump 1-7 and inflation beam 4-1, inflation plug 1-5, on pipeline, establish rain glass 1-1.
Between air pump 1-7 and inflation beam 4-1, inflation plug 1-5, on pipeline, establish safety valve 1-8.
It is upper that inflation cylinder 1-4 is fixed on inflation cylinder clamping plate 1-6, and inflation cylinder clamping plate 1-6 is by bolt clip on inflation beam 4-1, and the damage of avoiding welding to bring to inflation beam 4-1, prevents its gas leakage.
Principle of work and process:
When work, the in-built water of tank 2, solar energy heating header is arranged on inflation beam 4-1 by the hole on it is corresponding with gas seal member 1-9, tight a bolt and make clamping plate 4-2 clamp header, air pump 1-7 inflates in inflation beam 4-1, air enters air bag 1-11, air bag 1-11 expands and header hole close contact is made to its sealing, the inflation cylinder 1-4 action at header two ends, inflation plug 1-5 is got lodged in the silk head tube at header two ends, and by annular flexible glue 1-3 sealing, upset cylinder 3-5 action, drive upset screw rod 3-2 action, and then drive inflation beam 4-1 to move, header is turn to underwater, whether observe header has the place of gas leakage.