CN105241768A - Method used for detecting matching property of joints with rubber tubes of rubber tube assemblies - Google Patents
Method used for detecting matching property of joints with rubber tubes of rubber tube assemblies Download PDFInfo
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- CN105241768A CN105241768A CN201510613752.XA CN201510613752A CN105241768A CN 105241768 A CN105241768 A CN 105241768A CN 201510613752 A CN201510613752 A CN 201510613752A CN 105241768 A CN105241768 A CN 105241768A
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- sebific duct
- hose assembly
- fuse
- joint
- detection method
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Abstract
The invention discloses a method used for detecting matching property of joints with rubber tubes of rubber tube assemblies. The method can be used for detecting matching properties of combination and withhold outer diameter of the rubber tubes with the joints rapidly, saving valuable pulse experiment time, and providing the best joints and size diameter information of each rubber tube type. And in addition, the method is helpful in selecting matching joints and rubber tubes of rubber tube manufacturers and assembly manufacturers, and is useful in the aspect of customer service. The method can be used for preferable stimulation of experiment conditions of pulse performance experiments, accurate is high, operation is simple, few steps are needed, detection time is short, and success rate of pulse performance experiments is increased greatly.
Description
Technical field
The present invention relates to a kind of joint and sebific duct matching detection method of hose assembly.
Background technology
Hose assembly is a kind of servicing unit conventional in hydraulic system.It is woven by high pressure steel wire or spiral rubber hose and steel part joint are withheld through specialized equipment and formed, and is used for all kinds of Hydraulic Elements in connecting fluid pressing system.Structure as shown in Figure 1, in real work, often there is sebific duct explosion, sebific duct sand holes revealed, sebific duct and joint pull-off, interior coupling part occur to rupture and hose assembly withhold at the beginning of the failure mode such as to leak, cause main frame and the system failure, the serious accident of personal injury even occur.
The existing hose assembly method of inspection, mainly contains withstand voltage test, explosion bulge test and pulse test.Wherein pulse testing is a kind of torture test, it is by the duty of simulation hose assembly, the serviceable life of checking hose assembly, whether the number of times of namely pulse meets standard regulation, test period span is comparatively large, cause the test period long, and test findings is uncontrollable, serious waste lab resources, adds production cost virtually.
Summary of the invention
The present invention is in order to solve the problem, propose a kind of joint and sebific duct matching detection method of hose assembly, this detection method can detect the matching of sebific duct and joint fast, save the valuable pulse test time, and the sebific duct of all kinds size and the coupling diameter information of joint optimum are provided.Meanwhile, the joint that sebific duct producer and assembly producer can be instructed better to select to match and sebific duct.In addition, can the joint of direct-detection inefficacy assembly and the matching of sebific duct, provide more quick solution accurately, for having played huge effect in customer service.
To achieve these goals, the present invention adopts following technical scheme:
The joint of hose assembly and a sebific duct matching detection method, is characterized in that: comprise the following steps:
Step one, prepare a sebific duct and cut flat by perpendicular to axial direction for sebific duct port, ensureing that end face is smooth, the fuse of sebific duct and joint and sleeve are linked together on buckle machine, formation hose assembly;
Step 2, the hose assembly withheld to be placed at room temperature, leave standstill setting-up time;
Step 3, hose assembly put into constant temperature oven and is incubated;
Step 4, in constant temperature oven, take out hose assembly, observe sebific duct immediately and whether bulge occurs with glue in the junction of fuse, at room temperature again check after standing setting-up time;
Step 5, will the hose assembly of bulge be there is reselect sebific duct and joint pressing on buckle machine of different-diameter, and repeat step 2 to step 4, until the fuse of hose assembly and sebific duct junction bulge do not occur.
This invention can detect the combination of sebific duct and joint fast and withhold the matching of external diameter, can save the valuable pulse test time, and the joint providing each model size sebific duct best and size diameter information.Meanwhile, this invention joint that sebific duct producer and assembly producer can be helped better to select to match and sebific duct.In addition, this invention is in the huge effect for also playing in customer service.
Leave standstill setting-up time in described step 2 and be greater than 3 hours, the stress produced when long-time placement can reduce to withhold, the excessive hose assembly of buckle press at normal temperatures in sebific duct glue can overflow from fuse and sebific duct junction, form bulge.After sebific duct and joint are withheld, the power of withholding can act between interior glue and joint, is placed at room temperature by the hose assembly assembled, and the stress produced when can eliminate the assembling of a part of hose assembly, meets the condition that hose assembly carries out pre-detection.
In described step 3, the temperature of constant temperature oven is 60 DEG C-150 DEG C, the deflection temperature influence of interior glue, and at higher than the temperature of normal temperature, glue more easily deforms and makes interior glue bulge.According to the hose assembly of different model, select different oven temperatures, make test have more specific aim and accuracy.
In described step 3, the temperature retention time of hose assembly in constant temperature oven is 1-3 hours, and interior glue bulge generally occurs in assembly and uses early stage, so temperature retention time is unsuitable long.Different temperature retention times is set according to different models, improves the accuracy of experiment.
In described step 4, if glue generation bulge in sebific duct and fuse junction, illustrate that fuse external diameter is excessive, sebific duct internal diameter is too small, fuse does not mate with the diameter of sebific duct, causes the stress between the interior glue of sebific duct and fuse excessive; Or the diameter matches of fuse and sebific duct, but withhold undersized, withhold tension, cause sebific duct decrement excessive, sebific duct stress ratio is more concentrated; Hose assembly can not meet the requirement doing the test of resistance to pulse behaviors.This sebific duct assembly is needed to reselect the internal diameter of sebific duct or the diameter of fuse, re-starts pre-detection, make it meet the condition of resistance to pulse behaviors test.
In described step 4, if bulge does not occur glue in sebific duct and fuse junction, illustrate that sebific duct internal diameter mates with fuse, stress equilibrium between the interior glue of sebific duct and fuse, hose assembly can meet the requirement doing the test of resistance to pulse behaviors.The test of resistance to pulse behaviors can be proceeded for this hose assembly.
Described sebific duct is wire braided hose.The sebific duct of hose assembly is divided into the sebific duct of braided steel wire and the sebific duct of non-steel wire braiding, and the sebific duct that the hose assembly of different request for utilization uses is different, has respective examination criteria, this pre-detection method can both be used to carry out pre-detection.
Beneficial effect of the present invention is:
(1) detection method of the present invention can detect the matching of sebific duct and joint fast, saves the valuable pulse test time, and provides the sebific duct of all kinds size and the coupling diameter information of joint optimum;
(2) detection method of the present invention better can select the joint that matches and sebific duct to provide guidance foundation for numerous sebific duct producers and assembly producer in miscellaneous sebific duct and joint;
(3) detection method of the present invention can the joint of direct-detection inefficacy assembly and the matching of sebific duct, provides more quick solution accurately, for having played huge effect in customer service;
(4) detection method of the present invention can reduce test frequency, reduces the waste of testing cost.Can the test duration be shortened equally, reduce the waste of cost of labor.
Accompanying drawing explanation
Fig. 1 is the structural representation of hose assembly;
Fig. 2 is detection method schematic flow sheet of the present invention;
Fig. 3 is the schematic diagram of hose assembly generation bulge of the present invention;
Wherein, 1, fuse, 2, sleeve, 3, sebific duct, 4, bulge.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, sebific duct 3 is referred to as hose assembly together with splice combinations, comprises fuse 1, sleeve 2 and sebific duct 3.The sebific duct 3 of hose assembly is divided into the sebific duct of the sebific duct of braided steel wire and non-braided steel wire, and the sebific duct 3 that the hose assembly of different request for utilization uses is different, has respective examination criteria, this pre-detection method can both be used to carry out pre-detection.Passing judgment on the two indices of hose assembly quality of connection, is the sealing property of assembly and the anti-drawing strength of assembly respectively.Due to the caoutchouc elasticity of interior glue, gap between fuse 1 and interior glue can be filled up when withholding and form sealing, and sleeve 2 internal tooth and steel wire closely grasp, and form very high withdrawal resistance, and can exert all one's strength and reach on inner glue layer and fuse 1.This two indices to be all reflected between interior glue and fuse 1 on stress.Understressing, be not enough to define sealing and cause oil impregnate or pull-off problem, stress is excessive, and the sealing of formation is enough, but excessive stress may destroy the elasticity of interior glue own, causes interior glue to break in advance, and oil impregnate occurs.
In pulse testing process of the test, the pulse failure form in many early stages shows as the junction formation bubble of sebific duct 3 and joint, these bubbles are called as " luminous point ", so the test whether forming bubble (bulge 4 occurs) to observe sebific duct 3 and joint is referred to as luminous point test, the joint of a kind of hose assembly of the present invention and sebific duct 3 matching detection method also belong to luminous point and test.
As shown in Figure 2, a kind of joint of hose assembly and sebific duct 3 matching detection method, is characterized in that: comprise the following steps:
Step one, prepare a sebific duct 3 and cut flat by perpendicular to axial direction for sebific duct 3 port, ensureing that end face is smooth, the fuse 1 of sebific duct 3 and joint and sleeve 2 being linked together on buckle machine, forms hose assembly;
Step 2, the hose assembly withheld to be placed at room temperature, leave standstill setting-up time; Standing setting-up time is greater than 3 hours, the stress produced when long-time placement can reduce to withhold, the excessive hose assembly of buckle press at normal temperatures in sebific duct 3 glue can overflow from fuse 1 and sebific duct 3 junction, form bulge 4.After sebific duct 3 and joint are withheld, the power of withholding can act between interior glue and street corner, is placed at room temperature by the hose assembly assembled, and the stress produced when can eliminate the assembling of a part of hose assembly, meets the condition that hose assembly carries out pre-detection.
Step 3, hose assembly put into constant temperature oven and is incubated; The temperature of constant temperature oven is 60 DEG C-150 DEG C, the deflection temperature influence of interior glue, and at higher than the temperature of normal temperature, glue more easily deforms and makes interior glue bulge 4.According to the hose assembly of different model, select different oven temperatures, make test have more specific aim and accuracy.The temperature retention time of hose assembly in constant temperature oven is 1-3 hours, and interior glue bulge 4 generally occurs in assembly and uses early stage, so temperature retention time is unsuitable long.Different temperature retention times is set according to different models, improves the accuracy of experiment.
Step 4, in constant temperature oven, take out hose assembly, observe sebific duct 3 immediately, with glue in the junction of fuse 4, whether bulge 4 occurs, again check after at room temperature leaving standstill setting-up time;
Step 5, will the hose assembly of bulge 4 be there is reselect sebific duct 3 and joint pressing on buckle machine of different-diameter, and repeat step 2 to step 4, until the fuse 1 of hose assembly, with sebific duct 3 junction, bulge 4 does not occur, proceed follow-up withstand voltage test, explosion bulge test and pulse testing.As shown in Figure 3, if sebific duct 3 and glue generation bulge 4 in fuse junction, generally have two kinds of situations, the first is that fuse 1 does not mate with the diameter of sebific duct 3, be embodied in that fuse 1 external diameter is excessive, sebific duct 3 internal diameter is too small, stress between the interior glue of sebific duct 3 and fuse is excessive, causes hose assembly generation bulge 4; Another kind is fuse 1 and the diameter matches of sebific duct 3, but withhold undersized, withhold tension, cause sebific duct 3 decrement excessive, sebific duct 3 stress ratio is comparatively concentrated thus bulge 4 is occurred; Above-mentioned two situations can make hose assembly generation bulge 4, and the hose assembly that bulge 4 occurs can not meet the requirement doing the test of resistance to pulse behaviors.Sebific duct 3 assembly for the first situation needs to reselect the internal diameter of sebific duct 3 or the external diameter of fuse 1, both diameters are enable to reach matching requirements, sebific duct 3 assembly for the second situation need to relax withhold size, the adjustment dynamics of withholding re-starts and withholds, and detection is re-started to not having bulge 4 to the hose assembly after adjustment, make its meet resistance to pulse behaviors test condition time can according to this size carry out explosion bulge test or stretching resistance test with the sealing effectiveness verifying this size further, then carry out pulse test.If sebific duct 3, with glue in fuse 1 junction, bulge 4 does not occur, illustrate that sebific duct 3 internal diameter mates with fuse, stress equilibrium between the interior glue of sebific duct 3 and fuse, hose assembly can meet the requirement doing the test of resistance to pulse behaviors.The test of resistance to pulse behaviors can be proceeded for this sebific duct 3 assembly.
This invention can detect the combination of sebific duct 3 and joint fast and withhold the matching of external diameter, can save the valuable pulse test time, and the joint providing each model size sebific duct 3 best and size diameter information.Meanwhile, this invention joint that sebific duct 3 producer and assembly producer can be helped better to select to match and sebific duct 3.In addition, this invention is in the huge effect for also playing in customer service.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. the joint of hose assembly and a sebific duct matching detection method, is characterized in that: comprise the following steps:
Step one, prepare a sebific duct and cut flat by perpendicular to axial direction for sebific duct port, ensureing that end face is smooth, sebific duct and joint are linked together, formation hose assembly;
Step 2, the hose assembly withheld to be placed at room temperature, leave standstill setting-up time;
Step 3, hose assembly put into constant temperature oven and is incubated;
Step 4, in constant temperature oven, take out hose assembly, observe sebific duct immediately and whether bulge occurs with glue in the junction of fuse, at room temperature again check after standing setting-up time;
Step 5, will the hose assembly of bulge be there is reselect sebific duct and joint pressing on buckle machine of different-diameter, and repeat step 2 to step 4, until the fuse of hose assembly and sebific duct junction bulge do not occur.
2. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, is characterized in that: leave standstill setting-up time in described step 2 and be greater than 3 hours.
3. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, is characterized in that: in described step 3, the temperature of constant temperature oven is 60 DEG C-150 DEG C.
4. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, is characterized in that: in described step 3, the temperature retention time of hose assembly in constant temperature oven is 1-3 hours.
5. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, it is characterized in that: in described step 4, if glue generation bulge in sebific duct and fuse junction, illustrate that fuse external diameter is excessive, sebific duct internal diameter is too small, fuse does not mate with the diameter of sebific duct, causes the stress between the interior glue of sebific duct and fuse excessive; Or the diameter matches of fuse and sebific duct, but withhold undersized, withhold tension, cause sebific duct decrement excessive, sebific duct stress ratio is more concentrated; Hose assembly can not meet the requirement doing the test of resistance to pulse behaviors.
6. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, it is characterized in that: in described step 4, if in sebific duct and fuse junction there is not bulge in glue, illustrate that sebific duct internal diameter mates with fuse, stress equilibrium between the interior glue of sebific duct and fuse, hose assembly can meet the requirement doing the test of resistance to pulse behaviors.
7. the joint of a kind of hose assembly as claimed in claim 1 and sebific duct matching detection method, is characterized in that: described sebific duct is wire braided hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613752.XA CN105241768B (en) | 2015-09-23 | 2015-09-23 | A kind of joint of hose assembly and sebific duct matching detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613752.XA CN105241768B (en) | 2015-09-23 | 2015-09-23 | A kind of joint of hose assembly and sebific duct matching detection method |
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| Publication Number | Publication Date |
|---|---|
| CN105241768A true CN105241768A (en) | 2016-01-13 |
| CN105241768B CN105241768B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510613752.XA Active CN105241768B (en) | 2015-09-23 | 2015-09-23 | A kind of joint of hose assembly and sebific duct matching detection method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4441743A (en) * | 1980-09-15 | 1984-04-10 | Wavin B.V. | Adhesively joined pipe connection |
| JPH11211682A (en) * | 1998-01-29 | 1999-08-06 | Hitachi Plant Eng & Constr Co Ltd | Heating or cooling jig for pipe |
| CN201796172U (en) * | 2010-08-03 | 2011-04-13 | 佛山市顺德区广意通讯电缆有限公司 | Bump detecting device for loose tube of optical cable |
| CN102261536A (en) * | 2011-05-18 | 2011-11-30 | 长沙中联重工科技发展股份有限公司 | Quick change connector device for hose assembly pressure test and hose assembly pressure test system |
| CN103335889A (en) * | 2013-06-21 | 2013-10-02 | 山东安能输送带橡胶有限公司 | High-pressure rubber pipe pressure test system |
-
2015
- 2015-09-23 CN CN201510613752.XA patent/CN105241768B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4441743A (en) * | 1980-09-15 | 1984-04-10 | Wavin B.V. | Adhesively joined pipe connection |
| JPH11211682A (en) * | 1998-01-29 | 1999-08-06 | Hitachi Plant Eng & Constr Co Ltd | Heating or cooling jig for pipe |
| CN201796172U (en) * | 2010-08-03 | 2011-04-13 | 佛山市顺德区广意通讯电缆有限公司 | Bump detecting device for loose tube of optical cable |
| CN102261536A (en) * | 2011-05-18 | 2011-11-30 | 长沙中联重工科技发展股份有限公司 | Quick change connector device for hose assembly pressure test and hose assembly pressure test system |
| CN103335889A (en) * | 2013-06-21 | 2013-10-02 | 山东安能输送带橡胶有限公司 | High-pressure rubber pipe pressure test system |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国国家发展和改革委员会: "《MT/T 98-2006 液压支架用软管及软管总成检验规范》", 30 November 2006 * |
| 中华人民共和国国家质量监督检验检疫总局 等: "《GB/T 7939-2008 液压软管总成 试验方法》", 31 March 2008 * |
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| CN105241768B (en) | 2017-11-14 |
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