CN105547860A - Bending test device of anti-explosion flexible connecting pipe - Google Patents
Bending test device of anti-explosion flexible connecting pipe Download PDFInfo
- Publication number
- CN105547860A CN105547860A CN201610058156.4A CN201610058156A CN105547860A CN 105547860 A CN105547860 A CN 105547860A CN 201610058156 A CN201610058156 A CN 201610058156A CN 105547860 A CN105547860 A CN 105547860A
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- explosion
- experiment roller
- roller
- joint pipe
- flexible joint
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000005452 bending Methods 0.000 title abstract description 11
- 238000004880 explosion Methods 0.000 title abstract description 6
- 238000002474 experimental method Methods 0.000 claims description 75
- 230000009897 systematic effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 steam Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a bending test device of an anti-explosion flexible connecting pipe. The bending test device comprises a rack, wherein an operating platform is arranged on the upper end surface of the rack; the operating platform is provided with a left test roller and a right test roller; the left test roller and the right test roller respectively rotate around the axial lines where the left test roller and the right test roller are located; the left test roller and the right test roller are arranged in a straight line and are close to or far away from each other along the operating platform; an up-and-down closing and clamping system is arranged beside the operating platform; a left-right clamping system is formed by the left test roller and the right test roller; the up-and-down closing and clamping system and the left-right clamping system are independently and separately arranged; the up-and-down closing and clamping system and the left-right clamping system are scientifically arranged on the operating platform and are both connected with the anti-explosion flexible connecting pipe. The anti-explosion flexible connecting pipe can be vertically fixed through the up-and-down closing and clamping system in advance and then can be fixed through the left test roller and the right test roller, and a manual bending test can be then carried out, so that precision, reliability, strong controllability and high security are realized, and a systematic and unified bending test can be conveniently carried out on the anti-explosion flexible connecting pipe.
Description
Technical field
The one that the present invention relates in anti-explosion product testing inspection research field detects, particularly a kind of explosion-proof flexible joint pipe bend test device.
Background technology
Explosion-proof flexible joint pipe is applied in the place that there is the dangers such as damp, steam, explosive dust or fiber, as: oil, chemical industry, combustion gas, grain processing, weaving, magnesium powder, aluminium powder processing, timber processing etc., explosion-proof flexible joint pipe, by particular design, can prevent the blast that the explosive danger such as gas, steam, dust or fiber causes because of electric spark, electric arc, hot surface, electrostatic, collision etc.The quality of the explosion-proof performance of explosion-proof flexible joint pipe directly affects the safety of equipment and personnel, because of the use that it is the place connection that line connects or the bending difficulty of steel pipe wiring is larger as explosion-proof electric equipment, therefore need that bending test is carried out to explosion-proof flexible joint pipe and be verified and just come into operation afterwards.
Summary of the invention
Object of the present invention, is to provide a kind of explosion-proof flexible joint pipe bend test device.
The solution that the present invention solves its technical matters is: a kind of explosion-proof flexible joint pipe bend test device, comprise frame, the upper surface of described frame is provided with operating table surface, described operating table surface is provided with left experiment roller and right experiment roller, left experiment roller and right experiment roller can rotate around the axis at its place respectively, the diameter of described left experiment roller equals the diameter of right experiment roller, left experiment roller and right experiment roller be in line layout and both along operating table surface near or away from, other being provided with of operating table surface closes grasping system up and down, the described upper and lower co-clip system of holding is positioned on the perpendicular bisector of left experiment roller and right experiment roller line.
As the further improvement of technique scheme, the described grasping system that closes up and down comprises the fixed mount being fixed on frame upper surface and the upper fixture being positioned at fixed mount middle and upper part, described fixed mount internal fixtion has lower clamp, the upper surface of fixed mount is provided with the first drive motor, the round end of described first drive motor is connected with the first screw mandrel through fixed mount, described upper fixture is arranged on the first screw mandrel, is provided with guide pillar between described upper fixture and lower clamp.
As the further improvement of technique scheme, the lower surface of described upper fixture is provided with the clamping circular arc of depression, and the upper surface of described lower clamp is provided with the clamping circular arc of depression, forms the first grasping part between two described clamping circular arcs.
As the further improvement of technique scheme, the first cavity is formed between described operating table surface and the upper surface of frame, in described first cavity, the second drive motor is installed, the delivery end of described second drive motor is connected with the second screw mandrel, described second screw mandrel is provided with left sliding seat and right sliding seat, described left experiment roller is arranged on left sliding seat by stationary shaft, and described right experiment roller is arranged on right sliding seat by stationary shaft.
As the further improvement of technique scheme, the side of described frame is provided with electric cabinet.
As the further improvement of technique scheme, described left sliding seat is provided with the first screw thread with the contact position of the second screw mandrel, described right sliding seat is provided with the second screw thread with the contact position of the second screw mandrel, and the rotation direction of described first screw thread is contrary with the rotation direction of the second screw thread.
As the further improvement of technique scheme, many ribs are provided with between the inside surface of described left experiment roller and the stationary shaft corresponding to it, described left experiment roller rotates around the stationary shaft corresponding to it, be provided with many ribs between the inside surface of described right experiment roller and the stationary shaft corresponding to it, described right experiment roller rotates around the stationary shaft corresponding to it.
As the further improvement of technique scheme, the upper surface of described frame is provided with the first slide rail, and described left sliding seat and right sliding seat slide on the first slide rail.
As the further improvement of technique scheme, the length of described first slide rail is 850mm, and the diameter of described stationary shaft is 30mm.
As the further improvement of technique scheme, the diameter of described left experiment roller is the one in 150mm, 200mm, 250mm, 250mm, 300mm, 400mm, 500mm, 650mm and 750mm.
The invention has the beneficial effects as follows: the present invention closes grasping system up and down by arranging, left experiment roller and right experiment roller, left experiment roller and right experiment roller form left and right grasping system, conjunction grasping system and left and right grasping system are independently separately up and down, be placed in two system sciences in operating table surface and be all connected with explosion-proof flexible joint pipe, the present invention fixes explosion-proof flexible joint pipe in advance up and down by upper and lower co-clip system, explosion-proof flexible joint pipe is fixed again through left experiment roller and right experiment roller, then artificial bending test is carried out, accurately and reliably, controllability is strong and security is high, be convenient to carry out system to explosion-proof flexible joint pipe, the crooked test of unified standard.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other design proposals and accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present invention;
Fig. 2 is front elevation of the present invention;
Fig. 3 is the structural representation closing grasping system up and down in the present invention;
Fig. 4 is the first slide rail in the present invention and component assembly figure mounted thereto.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present invention, instead of whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of protection of the invention.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 1 ~ Fig. 4, a kind of explosion-proof flexible joint pipe bend test device, comprise frame 1, the upper surface of described frame 1 is provided with operating table surface 2, described operating table surface 2 is provided with left experiment roller 4 and right experiment roller 5, left experiment roller 4 and right experiment roller 5 can rotate around the axis at its place respectively, the diameter of described left experiment roller 4 equals the diameter of right experiment roller 5, left experiment roller 4 and right experiment roller 5 be in line layout and both along operating table surface 2 near or away from, other being provided with of operating table surface 2 closes grasping system 3 up and down, the described grasping system 3 that closes up and down is positioned on the perpendicular bisector of left experiment roller 4 and right experiment roller 5 line.
Grasping system 3 is closed up and down by arranging, left experiment roller 4 and right experiment roller 5, left experiment roller 4 and right experiment roller 5 form left and right grasping system, conjunction grasping system 3 and left and right grasping system are independently separately up and down, be placed in two system sciences in operating table surface and be all connected with explosion-proof flexible joint pipe, the present invention fixes explosion-proof flexible joint pipe in advance up and down by upper and lower co-clip system, explosion-proof flexible joint pipe is fixed again through left experiment roller 4 and right experiment roller 5, then artificial bending test is carried out, accurately and reliably, controllability is strong and security is high, be convenient to carry out system to explosion-proof flexible joint pipe, the crooked test of unified standard.
Be further used as preferred embodiment, the described grasping system 3 that closes up and down comprises the fixed mount 30 being fixed on frame 1 upper surface and the upper fixture 32 being positioned at fixed mount 30 middle and upper part, described fixed mount 30 internal fixtion has lower clamp 33, the upper surface of fixed mount 30 is provided with the first drive motor 31, the round end of described first drive motor 31 is connected with the first screw mandrel through fixed mount 30, described upper fixture 32 is arranged on the first screw mandrel, guide pillar is provided with between described upper fixture 32 and lower clamp 33, the below of lower clamp 33 is provided with adjusting seat 35, the height of lower clamp 33 is adjusted by adjusting seat 35.
Be further used as preferred embodiment, the lower surface of described upper fixture 32 is provided with the clamping circular arc 34 of depression, forms the first grasping part between clamping circular arc 34, two described clamping circular arcs 34 that the upper surface of described lower clamp 33 is provided with depression.Clamping circular arc 34 is circumferentially one section of arc of diameter 150mm.First grasping part of two clamping circular arcs 34 formation can clamp the diameter range 10 ~ 100mm of explosion-proof flexible joint pipe.
Be further used as preferred embodiment, the first cavity 20 is formed between described operating table surface 2 and the upper surface of frame 1, in described first cavity 20, second drive motor 25 is installed, the delivery end of described second drive motor 25 is connected with the second screw mandrel 21, described second screw mandrel 21 is provided with left sliding seat 22 and right sliding seat 23, described left experiment roller 4 is arranged on left sliding seat 22 by stationary shaft 6, and described right experiment roller 5 is arranged on right sliding seat 23 by stationary shaft 6.
Be further used as preferred embodiment, the side of described frame 1 is provided with electric cabinet 8, is controlled the action of the first drive motor 31 and the second drive motor 25 by electric cabinet 8.
Be further used as preferred embodiment, described left sliding seat 22 is provided with the first screw thread with the contact position of the second screw mandrel 21, described right sliding seat 23 is provided with the second screw thread with the contact position of the second screw mandrel 21, the rotation direction of described first screw thread is contrary with the rotation direction of the second screw thread, by arrange the first contrary screw thread of rotation direction and the second screw thread realize left experiment roller 4 and right experiment roller 5 relative movement and on the contrary away from.
Be further used as preferred embodiment, many ribs 7 are provided with between the inside surface of described left experiment roller 4 and the stationary shaft 6 corresponding to it, described left experiment roller 4 rotates around the stationary shaft 6 corresponding to it, be provided with many ribs 7 between the inside surface of described right experiment roller 5 and the stationary shaft 6 corresponding to it, described right experiment roller 5 rotates around the stationary shaft 6 corresponding to it.Ribs 7 is provided with multiple through hole, is alleviated the weight of ribs 7 by through hole, reduce the rotator inertia of left experiment roller 4 and right experiment roller 5.
Be further used as preferred embodiment, the upper surface of described frame 1 is provided with the first slide rail 24, and described left sliding seat 22 and right sliding seat 23 slide on the first slide rail 24.
Be further used as preferred embodiment, the length of described first slide rail 24 is 850mm, and the diameter of described stationary shaft 6 is 30mm.
Be further used as preferred embodiment, the diameter of described left experiment roller 4 is the one in 150mm, 200mm, 250mm, 250mm, 300mm, 400mm, 500mm, 650mm and 750mm.By arranging the left experiment roller 4 of different-diameter and right experiment roller 5, it is made to be adapt in the explosion-proof flexible joint pipe experiment of different-diameter.
With reference to Fig. 1, one end length to be tested being not less than the explosion-proof flexible joint pipe of 600mm is placed on lower clamp 33, first drive motor 31 drives upper fixture 32 first grasping part formed between latter two clamping circular arc 34 that down moves to be fixedly clamped one end of explosion-proof flexible joint pipe, then with reference to Fig. 4, close after making left sliding shoe and right sliding shoe relative motion after the round end rotation of the second drive motor 25, left experiment roller 4 and to draw close to the explosion-proof flexible joint pipe of clamping from trend center along the first guide rail by experiment roller, then, according to JB9600-1999, bending test is carried out to explosion-proof flexible joint pipe, from the other end of explosion-proof flexible joint pipe, it to be closely wound on left experiment roller 4 and more than explosion-proof flexible joint pipe winding half-turn, then explosion-proof flexible joint pipe restores to the original state, explosion-proof flexible joint pipe is bending in the other direction is again wound on right experiment roller 5, restore to the original state, by this cycling 10 times, if the metal hose in explosion-proof flexible joint pipe does not fracture, sheath does not produce wrinkle, peel off and permanent strain, then judge that explosion-proof flexible joint pipe is qualified.
More than that better embodiment of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. an explosion-proof flexible joint pipe bend test device, comprise frame, it is characterized in that: the upper surface of described frame is provided with operating table surface, described operating table surface is provided with left experiment roller and right experiment roller, left experiment roller and right experiment roller can rotate around the axis at its place respectively, the diameter of described left experiment roller equals the diameter of right experiment roller, left experiment roller and right experiment roller be in line layout and both along operating table surface near or away from, other being provided with of operating table surface closes grasping system up and down, the described upper and lower co-clip system of holding is positioned on the perpendicular bisector of left experiment roller and right experiment roller line.
2. explosion-proof flexible joint pipe bend test device according to claim 1, it is characterized in that: the described grasping system that closes up and down comprises the fixed mount being fixed on frame upper surface and the upper fixture being positioned at fixed mount middle and upper part, described fixed mount internal fixtion has lower clamp, the upper surface of fixed mount is provided with the first drive motor, the round end of described first drive motor is connected with the first screw mandrel through fixed mount, described upper fixture is arranged on the first screw mandrel, is provided with guide pillar between described upper fixture and lower clamp.
3. explosion-proof flexible joint pipe bend test device according to claim 2, it is characterized in that: the lower surface of described upper fixture is provided with the clamping circular arc of depression, the upper surface of described lower clamp is provided with the clamping circular arc of depression, forms the first grasping part between two described clamping circular arcs.
4. the explosion-proof flexible joint pipe bend test device according to any one of claim 1 ~ 3, it is characterized in that: between described operating table surface and the upper surface of frame, form the first cavity, in described first cavity, the second drive motor is installed, the delivery end of described second drive motor is connected with the second screw mandrel, described second screw mandrel is provided with left sliding seat and right sliding seat, described left experiment roller is arranged on left sliding seat by stationary shaft, and described right experiment roller is arranged on right sliding seat by stationary shaft.
5. explosion-proof flexible joint pipe bend test device according to claim 4, is characterized in that: the side of described frame is provided with electric cabinet.
6. explosion-proof flexible joint pipe bend test device according to claim 4, it is characterized in that: between the inside surface of described left experiment roller and the stationary shaft corresponding to it, be provided with many ribs, described left experiment roller rotates around the stationary shaft corresponding to it, be provided with many ribs between the inside surface of described right experiment roller and the stationary shaft corresponding to it, described right experiment roller rotates around the stationary shaft corresponding to it.
7. explosion-proof flexible joint pipe bend test device according to claim 4, it is characterized in that: described left sliding seat is provided with the first screw thread with the contact position of the second screw mandrel, described right sliding seat is provided with the second screw thread with the contact position of the second screw mandrel, and the rotation direction of described first screw thread is contrary with the rotation direction of the second screw thread.
8. explosion-proof flexible joint pipe bend test device according to claim 7, it is characterized in that: the upper surface of described frame is provided with the first slide rail, described left sliding seat and right sliding seat slide on the first slide rail.
9. explosion-proof flexible joint pipe bend test device according to claim 8, it is characterized in that: the length of described first slide rail is 850mm, the diameter of described stationary shaft is 30mm.
10. the explosion-proof flexible joint pipe bend test device according to any one of claim 1 ~ 3, is characterized in that: the diameter of described left experiment roller and right experiment roller is 150mm, 200mm, 250mm, 250mm, 300mm, 400mm, 500mm, 650mm and 750mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058156.4A CN105547860B (en) | 2016-01-27 | 2016-01-27 | A kind of explosion-proof flexible connection pipe bend test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058156.4A CN105547860B (en) | 2016-01-27 | 2016-01-27 | A kind of explosion-proof flexible connection pipe bend test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547860A true CN105547860A (en) | 2016-05-04 |
| CN105547860B CN105547860B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610058156.4A Active CN105547860B (en) | 2016-01-27 | 2016-01-27 | A kind of explosion-proof flexible connection pipe bend test device |
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| CN (1) | CN105547860B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077131A (en) * | 2020-01-02 | 2020-04-28 | 山东省产品质量检验研究院 | Anti-electric arc performance test device for textile material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111077131A (en) * | 2020-01-02 | 2020-04-28 | 山东省产品质量检验研究院 | Anti-electric arc performance test device for textile material |
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| Publication number | Publication date |
|---|---|
| CN105547860B (en) | 2018-04-03 |
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