CN209069705U - A kind of bending restrictor shearing test test device - Google Patents
A kind of bending restrictor shearing test test device Download PDFInfo
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- CN209069705U CN209069705U CN201821523906.1U CN201821523906U CN209069705U CN 209069705 U CN209069705 U CN 209069705U CN 201821523906 U CN201821523906 U CN 201821523906U CN 209069705 U CN209069705 U CN 209069705U
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- cylinder
- air accumulator
- test
- solenoid valve
- bending restrictor
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Abstract
The utility model discloses a kind of test devices of bending restrictor shearing test, including cylinder, upper sleeve and lower sleeve portion, the cylinder is horizontal positioned, its rear end is connect by hinge with base rotation, the middle part of cylinder is installed by one removable support base, several bolts hole are opened up on the downside of lower sleeve portion to fix by foundation bolt and ground, upper sleeve side offers the threaded hole being connected with cylinder rod end, flange is connected at the top of cylinder rod end, cylinder rod end is connect by flange bolt with upper sleeve, the utility model has the beneficial effects that shearing force is the important mechanical performance of bending restrictor, test can be carried out to the shear resistant of bending restrictor by the test of experimental rig, it is designed for the structure of bend limiter, material selection and tooling technique etc. provide data supporting.
Description
Technical field
The utility model belongs to shearing test equipment technical field, and in particular to a kind of bending restrictor shearing test test
Device.
Background technique
Recently as marine resources development, submarine cable, sea light cable and umbilical cables are fast in ocean engineering field dosage
Surge length.Sea cable is in laying and operational process, it is more likely that sea cable overbending situation occurs, sea cable is caused to be damaged.Bending
Limiter can effectively prevent sea cable overbending as one of matched important component of sea cable, and protection sea cable operates normally.
In terms of the structure design of bend limiter, material selection and tooling, China has carried out corresponding research at present.Shearing
Power is one of important mechanical performance index of bending restrictor, but there is presently no the shearing test devices of test bending restrictor
And its method, it is therefore desirable to which a kind of new technical method and application method solve the above problems.
Utility model content
In the prior art there is presently no test bending restrictor shearing test device and its method aiming at the problem that, mention
A kind of bending restrictor shearing test test device is supplied.
A kind of test device of bending restrictor shearing test, including cylinder, upper sleeve and lower sleeve portion, the cylinder
Horizontal positioned, its rear end is connect by hinge with base rotation, and a removable support base, lower part set are installed in the middle part of cylinder
Cylinder downside opens up several bolts hole and is fixed by foundation bolt and ground, and upper sleeve side is offered to be connected with cylinder rod end
Threaded hole, be connected with flange at the top of cylinder rod end, cylinder rod end is connect by flange bolt with upper sleeve.
On the basis of above scheme, further including includes air compressor machine, air accumulator, solenoid valve, and the air compressor machine passes through air inlet
Pipeline is connected to the air inlet of air accumulator, and the gas outlet of air accumulator is connected to by outlet pipe with solenoid valve, and solenoid valve passes through pipe
Road is connected to cylinder, and first pressure gauge and first check-valve are provided on the admission line, is provided on the outlet pipe
Second pressure gauge, ball valve, second check-valve and pressure reducing valve.
On the basis of above scheme, the inner cavity of air accumulator is divided by the filter screen that is provided with of the air accumulator bottom angled
Upper and lower two mutually isolated separate spaces, air inlet are located at the downside of filter screen, and gas outlet is located at the upside of filter screen, described
It is provided with drainpipe on the downside of air accumulator, the first solenoid valve, the first solenoid valve series connection timer are provided on the drainpipe.
On the basis of above scheme, travel switch is set on the outside of the air accumulator, opens up detection inside the air accumulator
Hole is provided with sliding seat in detection hole, and be slidably connected slide bar in sliding seat, and described slide bar one end extends on the outside of air accumulator, one end
It extends to inside air accumulator and is connect with piston, spring is provided between piston and detection hole bottom surface, is arranged second on admission line
Solenoid valve, the travel switch are electrically connected with second solenoid valve.
The utility model has the beneficial effects that
Shearing force is the important mechanical performance of bending restrictor, by the test of experimental rig to the anti-shearing of bending restrictor
Performance is tested, and provides data supporting for structure design, material selection and the tooling technique etc. of bend limiter.
Detailed description of the invention
Fig. 1 is the overall structure schematic diagram of an embodiment of the present invention；
Fig. 2 is an embodiment of the present invention upper sleeve structure principle chart；
Fig. 3 is an embodiment of the present invention lower sleeve portion structure principle chart；
Fig. 4 is an embodiment of the present invention schematic diagram of gas circuit；
Fig. 5 is an embodiment of the present invention air accumulator structure principle chart.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical solution of the utility model is described further.
A kind of test device of bending restrictor shearing test, including cylinder 3, upper sleeve 4 and lower sleeve portion 5, it is described
Cylinder 3 is horizontal positioned, and its rear end is rotatablely connected by hinge 1 and pedestal 2, and a removable support bottom is installed at the middle part of cylinder 3
Seat 7 opens up several bolts hole on the downside of lower sleeve portion 5 and is fixed by foundation bolt and ground, and 4 side of upper sleeve offers and gas
The threaded hole that 3 rod end of cylinder is connected, 3 rod end of cylinder top are connected with flange 6, and 3 rod end of cylinder passes through flange 6 bolt and top
Sleeve 4 connects.
Using a kind of test method of the test device of above-mentioned bending restrictor shearing test, comprising the following steps:
1) section in bending restrictor is chosen as sample, and upper sleeve 4, lower sleeve portion 5 are made according to specimen size；
2) height of upper sleeve 4 is identical as bending restrictor top half, lower sleeve portion 5 and bending restrictor lower half
Split-phase is same, and diameter part all more corresponding than bending restrictor is bigger, pastes one layer of sponge in two sleeve inners, prevents and be bent
Abrasion when limiter contacts；
3) sample is fixed on the ground, lower sleeve portion 5 is put on, and is equally fixed on the ground, then by 4 sets of upper sleeve
On, and it is connected with cylinder 3；
4) at two barrel contacts, foil gauge is pasted on bending restrictor, driving cylinder 3 makes to load the power in upper sleeve
Test specified value is quickly reached, and records corresponding strain；
If 5) short-term shearing test, then unload and prepare to load again, repeat above step, reaches stipulated number test
Terminate.If long-term shearing test then keeps thrust constant, until stipulated time, the again corresponding strain of record.Then it unloads, adds
Different thrusts, and above step is repeated, reach stipulated number, off-test.
The test device of the bending restrictor shearing test, further including includes air compressor machine 10, air accumulator 20, solenoid valve
30, the air compressor machine 10 is connected to by admission line 11 with the air inlet 21 of air accumulator 20, and the gas outlet 22 of air accumulator 20 passes through
Outlet pipe 23 is connected to solenoid valve 30, and solenoid valve 30 is connected to by pipeline with cylinder 3, and the is provided on the admission line 11
One pressure gauge 12 and first check-valve 13 are provided with second pressure gauge 24, ball valve 25, second check-valve on the outlet pipe 23
26 and pressure reducing valve 27.
The compressed air that air compressor machine 10 generates is conveyed by pipeline, pressure gauge and check-valves etc. into air accumulator 20, so
Compressed air enters solenoid valve 30 by ball valve, pressure gauge, check-valves and pressure reducing valve afterwards, is compressed by the control of solenoid valve 30 empty
Gas enters cylinder 3, and the activity of cylinder 3 is allowed to apply thrust to upper sleeve 4.Precise control is efficient, gas source environmental protection clean hygiene.
The inner cavity of air accumulator 20 is divided into upper and lower two mutually by the filter screen 71 that is provided with of 20 bottom angled of air accumulator
The separate space of isolation, air inlet 21 are located at the downside of filter screen 71, and gas outlet 22 is located at the upside of filter screen 71, the gas storage
It is provided with drainpipe 61 on the downside of tank 20, the first solenoid valve 62, the series connection timing of the first solenoid valve 62 are provided on the drainpipe 61
Device 63.
As shown in figure 5, filter screen 71 is filtered air inlet, guarantee compressed air cleaning.The filter screen 71 being obliquely installed
So that steam is easier to assemble, water droplet is formed, it is inclined that the bottom for making water flow to air accumulator 20 more easily along inclined-plane is set.Together
When, often ponding, oil etc. inside air accumulator 20 need to be discharged in time, the first solenoid valve 62 are arranged on drainpipe 61, passes through
Meter timer 63 carrys out the first solenoid valve of time switch 62, and water, the oil inside air accumulator are discharged, do not operated manually, letter
Changed operation, meanwhile, the setting of timing can to avoid it is manually-operated when forget the problem of, effectively prevent water, oil to gas storage
The corrosion of tank 20.
Travel switch 85 is set on the outside of the air accumulator 20, opens up detection hole 8 inside the air accumulator 20, in detection hole 8
It is provided with sliding seat 83, be slidably connected slide bar 82 in sliding seat 83, and described 82 one end of slide bar extends to 20 outside of air accumulator, and one end is stretched
It connect to the inside of air accumulator 20 and with piston 81, is provided with spring 84 between 8 bottom surface of piston 81 and detection hole, on admission line 11
Second solenoid valve 86 is set, and the travel switch 85 is electrically connected with second solenoid valve 86.
As shown in Fig. 2, the pressure effect of compressed air pushes piston when 20 air pressure inside of air accumulator increases to certain value
81 upward slidings overcome the elastic force of spring 84 to act on, and one end of slide bar 82, which moves up, can trigger travel switch 85, to close
Second solenoid valve 86 stops air inlet, by the control of air accumulator 20 in the air pressure range of safety.
It will be appreciated that the embodiments of the present invention while there has been shown and described that, for the common skill of this field
For art personnel, it is possible to understand that can be carried out to these embodiments in the case where not departing from the principles of the present invention and spirit
A variety of change, modification, replacement and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of test device of bending restrictor shearing test, which is characterized in that including cylinder (3), upper sleeve (4) and under
Portion's sleeve (5), the cylinder (3) is horizontal positioned, and its rear end is rotatablely connected by hinge (1) and pedestal (2), in cylinder (3)
A removable support base (7) is installed in portion, and it is solid by foundation bolt and ground that several bolts hole are opened up on the downside of lower sleeve portion (5)
Fixed, upper sleeve (4) side offers the threaded hole being connected with cylinder (3) rod end, is connected with flange at the top of cylinder (3) rod end
(6), cylinder (3) rod end is connect with bolt with upper sleeve (4) by flange (6).
2. the test device of bending restrictor shearing test as described in claim 1, which is characterized in that further include air compressor machine
(10), air accumulator (20), solenoid valve (30), the air compressor machine (10) pass through the air inlet of admission line (11) and air accumulator (20)
(21) it is connected to, the gas outlet (22) of air accumulator (20) is connected to by outlet pipe (23) with solenoid valve (30), and solenoid valve (30) is logical
Piping is connected to cylinder (3), is provided with first pressure gauge (12) and first check-valve (13), institute on the admission line (11)
It states and is provided with second pressure gauge (24), ball valve (25), second check-valve (26) and pressure reducing valve (27) on outlet pipe (23).
3. the test device of bending restrictor shearing test as claimed in claim 2, which is characterized in that the air accumulator (20)
The inner cavity of air accumulator (20) is divided into upper and lower two mutually isolated separate spaces by the filter screen (71) that is provided with of bottom angled, into
Port (21) is located at the downside of filter screen (71), and gas outlet (22) are located at the upside of filter screen (71), under the air accumulator (20)
Side is provided with drainpipe (61), is provided with the first solenoid valve (62) on the drainpipe (61), and the first solenoid valve (62) series connection is fixed
When device (63).
4. the test device of bending restrictor shearing test as claimed in claim 3, which is characterized in that the air accumulator (20)
Travel switch (85) are arranged in outside, open up detection hole (8) inside the air accumulator (20), detection hole is provided with sliding seat in (8)
(83), it is slidably connected in sliding seat (83) slide bar (82), described slide bar (82) one end extends on the outside of air accumulator (20), and one end extends to
Air accumulator (20) is internal and connect with piston (81), is provided with spring (84), air inlet between piston (81) and detection hole (8) bottom surface
Second solenoid valve (86) are set on pipeline (11), the travel switch (85) is electrically connected with second solenoid valve (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523906.1U CN209069705U (en) | 2018-09-18 | 2018-09-18 | A kind of bending restrictor shearing test test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523906.1U CN209069705U (en) | 2018-09-18 | 2018-09-18 | A kind of bending restrictor shearing test test device |
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| Publication Number | Publication Date |
|---|---|
| CN209069705U true CN209069705U (en) | 2019-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821523906.1U Active CN209069705U (en) | 2018-09-18 | 2018-09-18 | A kind of bending restrictor shearing test test device |
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| CN (1) | CN209069705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
-
2018
- 2018-09-18 CN CN201821523906.1U patent/CN209069705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
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