CN203929524U - Steel pipe hydrostatic testing automaton - Google Patents
Steel pipe hydrostatic testing automaton Download PDFInfo
- Publication number
- CN203929524U CN203929524U CN201420296431.2U CN201420296431U CN203929524U CN 203929524 U CN203929524 U CN 203929524U CN 201420296431 U CN201420296431 U CN 201420296431U CN 203929524 U CN203929524 U CN 203929524U
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- China
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- switch
- electronic box
- steel pipe
- pressure release
- auxiliary reclay
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Abstract
The utility model discloses a kind of steel pipe hydrostatic testing automaton, comprise sealing mechanism, charging pipe, high pressure reciprocating pump, electro connecting pressure gauge, tapping pipe and control electronic box, control in electronic box and comprise control electronic box panel, the casing which is provided with control knob and the pressure release automatic control circuit that is arranged on box house, described pressure release automatic control circuit comprises fire line terminal, air switch, the first switch, the second switch, blowdown valve, zero terminal, the first auxiliary reclay and the second auxiliary reclay, electro connecting pressure gauge, the time relay.Control knob is corresponding with the switch in pressure release automatic control circuit.The utility model is controlled the control knob on electronic box panel by operation, selects flexibly automatic or manual pressure release mode, and can realize the accurate Control experiment pressure release time, and safe and reliable, efficient quick, is worthy of popularization.
Description
Technical field
The utility model relates to stainless-steel tube production equipment technical field, particularly relates to a kind of steel pipe hydrostatic testing automaton.
Background technology
Steel pipe hydrostatic testing is that the withstand voltage properties of steel pipe is checked, is requisite operation in steel tube manufacture technique.Water pressure tester of steel tube is generally by filling with water or emulsion to sealed at both ends steel pipe, then be pressurized to certain force value, whether can observe steel pipe and maintain pressure, therefore judge whether steel pipe reaches corresponding grade of steel, also can observe steel pipe has breakage or cracking phenomena simultaneously.In prior art, in steel pipe hydrostatic testing, pressure release mode manually realizes often, and the hydraulic testing time is controlled inhomogeneous, and production efficiency is low.Or the whole process of the hydraulic testing is used robotization, and production cost is higher.
Utility model content
The utility model, in order to address the above problem, provides a kind of steel pipe hydrostatic testing automaton, can realize flexible selection pressure release mode manually or automatically, accurately controls the hydraulic testing time.
The technical solution of the utility model is: a kind of steel pipe hydrostatic testing automaton, comprise sealing mechanism, charging pipe, high pressure reciprocating pump, tapping pipe and control electronic box, in control electronic box, comprise the pressure release automatic control circuit of controlling electronic box panel, casing and being arranged on box house, control electronic box panel and be provided with control knob, control knob is corresponding with the switch in pressure release automatic control circuit.Described sealing mechanism is by steel pipe radial seal to be tested, one end of charging pipe is connected with steel pipe to be tested, the other end is connected with high pressure reciprocating pump, high pressure reciprocating pump is connected and is controlled electronic box by cable, tapping pipe connects high pressure reciprocating pump, and electro connecting pressure gauge is connected in the loop of pressure release automatic control circuit.Described pressure release automatic control circuit comprises fire line terminal, air switch, the first switch, the second switch, blowdown valve, zero terminal, the first auxiliary reclay, the second auxiliary reclay, electro connecting pressure gauge and the time relay.
Owing to having adopted technique scheme, the utlity model has following technique effect: the utility model is controlled the corresponding button on electronic box panel by operation, can select flexibly the pressure release mode manually or automatically of steel pipe hydraulic pressure test.Pressure release control circuit in the utility model is by realizations such as switch, the time relay, tensimeter, auxiliary reclays, utilized the advantage that for relay, the large electric current of Small current control, the time relay disconnect after setting between electricity, production cost is low, control effective, safe and reliable, be worthy of popularization.
Accompanying drawing explanation
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is pressure release test automatic control circuit structural representation of the present utility model;
Fig. 3 is control electronic box panel schematic diagram of the present utility model.
Embodiment
Disclosed all features in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this instructions, unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
A kind of steel pipe hydrostatic testing automaton as shown in Figure 1, comprise sealing mechanism 1, charging pipe 2, high pressure reciprocating pump 3, electro connecting pressure gauge, tapping pipe 4 and control electronic box 5, in control electronic box 5, comprise the pressure release automatic control circuit of controlling electronic box panel, casing and being arranged on box house, control electronic box panel and be provided with control knob, control knob is corresponding with the switch in pressure release automatic control circuit.Sealing mechanism 1 is by steel pipe radial seal to be tested, one end of charging pipe 2 is connected with steel pipe 1 to be tested, the other end is connected with high pressure reciprocating pump 3, high pressure reciprocating pump 3 is connected and is controlled electronic box 5 by cable, tapping pipe 4 connects high pressure reciprocating pump 3, and electro connecting pressure gauge is connected in the loop of pressure release automatic control circuit.
The steel pipe hydrostatic testing automaton of the present embodiment in use, by sealing mechanism 1 by one end sealing of steel pipe to be tested, charging pipe 2 toward injected water or emulsion in steel pipe to be tested, start 3 pairs of steel pipes to be tested of high pressure reciprocating pump and carry out voltage-withstand test, then select to control the corresponding control knob on electronic box, select flexibly release mode manually or automatically, in pipe, water is discharged through tapping pipe 4.
As shown in Figure 2, for a preferred embodiment of pressure release automatic control circuit of the present utility model, this circuit comprises fire line terminal, air switch ZK, the first switch 1SA, the second switch 2SA, blowdown valve PV, zero terminal, the first auxiliary reclay 1KA, the second auxiliary reclay 2KA, electro connecting pressure gauge PS, time relay KT and power light.This pressure release control circuit working power is 220V alternating current, and pressure release automatic control circuit arranges ground protection line, and the casing of controlling electronic box arranges ground protection.
Fire line terminal connects the first switch 1SA through air switch ZK, the first switch 1SA often opens a normally closed contact, its normally closed contact with one and through the second switch 2SA, connects an end points of blowdown valve PV, electro connecting pressure gauge PS comprises common port, upper limit pressure contact and threshold pression contact, and normally opened contact, upper limit pressure contact tie-time relay K T, the threshold pression contact that its common port connects the first switch connects another end points that is all connected to blowdown valve after the first auxiliary reclay 1KA; Second auxiliary reclay of connecting between the normally opened contact of the first switch 1SA and blowdown valve PV.
In the present embodiment, time relay KT is on-delay coil, and the first auxiliary reclay 1KA and the second auxiliary reclay 2KA are the auxiliary reclay with two normally-open normally-close contacts.Can according to real needs between the first switch and blowdown valve turn-on time relay or other normally-open normally-close contact of auxiliary reclay.
As shown in Figure 3, in the present embodiment, corresponding " manual/auto " control knob controlled on electronic box panel of the first switch 1SA, corresponding " driving valve/disconnected valve " control knob controlled on electronic box panel of the second switch 2SA, power light is arranged in to be controlled on electronic box panel.
The principle of work of this pressure release automatic control circuit is described below:
When the first switch 1SA selects " manually ", realize manual pressure leak process and be:
A. the second switch 2SA selects " driving valve ", and normally opened contact is closed, the blowdown valve PV unlatching of switching on, pressure release;
B. the second switch 2SA selects " pass valve ", and normally opened contact disconnects, and blowdown valve PV power-off is closed.
When the first switch 1SA selects " automatically ":
A. when electro connecting pressure gauge PS reaches upper limit rated pressure, its upper limit closing of contact, lower limit contact disconnects, time relay KT coil electricity;
B. when time relay coil KT continues energising and reaches setting-up time, its normal switching is closed the closing of contact, the blowdown valve PV unlatching of switching on, pressure release;
C. after pressure release, when electro connecting pressure gauge PS is during lower than lower limit rated pressure, its upper limit contact disconnects, the lower limit closing of contact, and time relay KT coil blackout, blowdown valve PV power-off is simultaneously closed.
The utility model is arranged to control the control knob on electronic box panel by the first switch, the second switch and power light, then by operation the corresponding button, realize flexibly the pressure release of mode manually or automatically of controlling steel pipe hydraulic pressure test, during normal work, power light is bright.Simple in structure, be easy to realize, cost is low, production efficiency is high, be worthy of popularization.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (4)
1. a steel pipe hydrostatic testing automaton, it is characterized in that: comprise sealing mechanism, charging pipe, high pressure reciprocating pump, electro connecting pressure gauge, tapping pipe and control electronic box, in described control electronic box, comprise the pressure release automatic control circuit of controlling electronic box panel, casing and being arranged on box house, control electronic box panel and be provided with control knob, control knob is corresponding with the switch in pressure release automatic control circuit;
Described sealing mechanism is by steel pipe radial seal to be tested, one end of charging pipe is connected with steel pipe to be tested, the other end is connected with high pressure reciprocating pump, high pressure reciprocating pump is connected and is controlled electronic box by cable, tapping pipe connects high pressure reciprocating pump, and electro connecting pressure gauge is connected in the loop of pressure release automatic control circuit.
2. steel pipe hydrostatic testing automaton according to claim 1, is characterized in that: described pressure release automatic control circuit comprises fire line terminal, air switch, the first switch, the second switch, blowdown valve, zero terminal, the first auxiliary reclay, the second auxiliary reclay, electro connecting pressure gauge and the time relay;
Described fire line terminal connects the first switch through air switch, the first switch band one is often opened a normally closed contact, its normally closed contact and through the second switch, is connected an end points of blowdown valve, described electro connecting pressure gauge comprises common port, upper limit pressure contact and threshold pression contact, normally opened contact, upper limit pressure contact tie-time relay, the threshold pression contact that its common port connects the first switch connects another end points that all connects blowdown valve after the first auxiliary reclay, second auxiliary reclay of connecting between the normally opened contact of the first switch and blowdown valve.
3. steel pipe hydrostatic testing automaton according to claim 2, is characterized in that: described pressure release automatic control circuit arranges ground protection line, and the casing of described control electronic box arranges ground protection.
4. steel pipe hydrostatic testing automaton according to claim 2, is characterized in that: the described time relay is on-delay coil, and the first auxiliary reclay and the second auxiliary reclay are the auxiliary reclay with two normally-open normally-close contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296431.2U CN203929524U (en) | 2014-06-05 | 2014-06-05 | Steel pipe hydrostatic testing automaton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296431.2U CN203929524U (en) | 2014-06-05 | 2014-06-05 | Steel pipe hydrostatic testing automaton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929524U true CN203929524U (en) | 2014-11-05 |
Family
ID=51825324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420296431.2U Active CN203929524U (en) | 2014-06-05 | 2014-06-05 | Steel pipe hydrostatic testing automaton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990868A (en) * | 2015-05-12 | 2015-10-21 | 上海东方雨虹防水工程有限公司 | Water mixing tester |
| CN106159904A (en) * | 2016-08-22 | 2016-11-23 | 安徽华茂纺织股份有限公司 | A kind of pressure control circuit of anti-fluctuation |
-
2014
- 2014-06-05 CN CN201420296431.2U patent/CN203929524U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990868A (en) * | 2015-05-12 | 2015-10-21 | 上海东方雨虹防水工程有限公司 | Water mixing tester |
| CN106159904A (en) * | 2016-08-22 | 2016-11-23 | 安徽华茂纺织股份有限公司 | A kind of pressure control circuit of anti-fluctuation |
| CN106159904B (en) * | 2016-08-22 | 2018-06-22 | 安徽华茂纺织股份有限公司 | A kind of pressure control circuit of anti-fluctuation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |