CN209342537U - A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel - Google Patents
A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel Download PDFInfo
- Publication number
- CN209342537U CN209342537U CN201822164987.7U CN201822164987U CN209342537U CN 209342537 U CN209342537 U CN 209342537U CN 201822164987 U CN201822164987 U CN 201822164987U CN 209342537 U CN209342537 U CN 209342537U
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- inner housing
- box body
- fixedly mounted
- rocking bar
- chain
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Abstract
The utility model discloses a kind of slow Compression and Expansion devices to be slowed down based on chain pitch wheel, it is characterized by: the motor is mounted on quadrangle box trailing flank, chain wheel set is mounted in quadrangle box, drive bevel gear is mounted in shaft, lower inner housing is mounted on quadrangle box inner bottom surface, electrochemical corrosion unit is mounted in lower inner housing by sliding slot, thrust bearing is mounted in the centre bore of lower inner housing top, driven wheel of differential is mounted on ball-screw by thrust bearing, trolley is mounted on ball-screw top, upper inner housing is mounted on the intracorporal top surface of rectangular box, vertical guide rail is mounted in inner housing on left side and right side, trolley is mounted on vertical guide rail, rocking bar both ends pass through rear bearing respectively and fore bearing is mounted on quadrangle box, hand handle is mounted on rocking bar.The utility model method is simple, easy to disassemble, compact-sized, can carry out alternate cycles load to multiple material, realize stress corrosion and the test of corrosion fatigue multifunctional all.
Description
Technical field
The utility model belongs to stress monitoring technical field integrated with corrosion resistance, and in particular to one kind is based on chain tooth
Take turns the slow Compression and Expansion device to slow down.
Background technique
With being constantly progressive for Ship Design structure and seaborne machinery, from its intensity, service life, lightweight is angularly
Consider, ship is higher and higher to material requirements.It works since ship is under the wet environment of seawater, in addition by applied stress
Or the load effect of internal residual stress, a possibility that having sharply increased construction material stress corrosion cracking.In improperly stress
Under corrosion monitoring, this destruction often brings serious catastrophic loss to marine engineering.A large amount of engineering failure cases show
One of the main reason for stress corrosion is member of formation failure.Therefore stress must be taken into consideration when evaluating ship structural component physical life
With the synergistic effect of corrosive medium.
Stress corrosion and corrosion fatigue are the materials that the strain as caused by remaining or applied stress and corrosion synergy generate
Expect destructive process.For for stress corrosion evaluation method, internationally recognized standard provide in give a variety of stress corrosions and comment
Valence method has 3 kinds of specimen types, i.e. Specimens, band notched specimen and pre-flawed specimen;Loading form also has 3 kinds, i.e. perseverance
Displacement, constant load and slow strain rate.The various combination of specimen types and loading form just produces various stress corrosion evaluations
Method.
Slow cupping machine volume used in existing metal material stress corrosion device is larger, with electrochemical corrosion device
It matches incomplete.Foreign existing device need to estimate the displacement elongation measurement under the slow stretching condition of sample by calculating, smart
Degree difference and time-consuming, and electrochemical appliance is simpler, cannot achieve the sneakerization of sample, is not easy to the connection with cupping machine
Match.
In existing patent, a kind of CN201993271U (environmental cabinet of the slow tensile stress etching test of rectangular section sample
Device), the disadvantage is that specimen shape limitation is big, cannot achieve corrosive environment to fluidised form, cylinder sealing is not easy to monitoring examination
The variation of sample stretching displacement and power.CN106323784A (the intermittent immersion corrosion test method based on slow tensile stress etching testing machine
And device), the disadvantage is that being unable to measure tensile sample displacement, the device of electro-chemical systems is not directed to, and performance is more single.
CN108593537A (a kind of portable metallic material tensile stress electrochemical corrosion device), the disadvantage is that cupping machine and liquid
Slot is difficult to connect, and is not directed to slow Compression and Expansion stress design.Existing equipment is difficult to realize stretch between electrochemical corrosion apparatus slowly
It is good fit, optional sample type limitation is larger, lacks solution to the speed control stretched slowly.
Utility model content
Technical problem to be solved in the utility model is to provide one kind in view of the above shortcomings of the prior art based on chain
The slow Compression and Expansion device of The gear deceleration, method is simple, easy to disassemble, compact-sized, can carry out alternately following to multiple material
Stress corrosion and the test of corrosion fatigue multifunctional all are realized in ring load.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken are as follows:
It is a kind of based on chain pitch wheel slow down slow Compression and Expansion device, it is characterised in that: including quadrangle box, motor,
It is chain wheel set, electrochemical corrosion unit, lower inner housing, ball-screw, thrust bearing, displacement sensor and pressure sensor, driven
Bevel gear, drive bevel gear, shaft, vertical guide rail, trolley, upper inner housing, hand handle, rear bearing, rocking bar and fore bearing, it is described
Motor is fixedly mounted on quadrangle box trailing flank, and the chain wheel set is mounted in quadrangle box and chain wheel set input terminal is logical
Shaft coupling and motor output axis connection are crossed, the shaft is mounted in quadrangle box mounting hole by bearing, the master
Dynamic bevel gear is fixedly mounted in shaft and drive bevel gear is connect by chain with chain wheel set output end, the lower inner housing
It is fixedly mounted on quadrangle box inner bottom surface, the electrochemical corrosion unit is mounted in lower inner housing by sliding slot, described
Thrust bearing be mounted in the centre bore of lower inner housing top, the driven wheel of differential is mounted on ball wire by thrust bearing
On thick stick and driven wheel of differential is engaged with drive bevel gear, and the displacement sensor and pressure sensor are fixedly mounted on ball wire
Thick stick bottom, the trolley are fixedly mounted on ball-screw top, and it is intracorporal that the upper inner housing is fixedly mounted on rectangular box
On top surface, the vertical guide rail is fixedly mounted in inner housing on left side and right side, and the trolley is mounted on vertical
On straight guide, the rocking bar both ends pass through rear bearing respectively and fore bearing is mounted on quadrangle box, and the hand handle is fixed
It is mounted on rocking bar.
Above-mentioned electrochemical corrosion unit is by cylinder box body, upper grip, right electrode slot, lower collet, left electrode slot, corruption
Liquid injection hole and corrosive liquid tap hole composition are lost, the upper grip is fixedly mounted in the mounting hole on cylinder box body top surface,
The cylinder box body top surface is equipped with corrosive liquid injection hole and corrosive liquid tap hole, and the lower collet is fixedly mounted on cylinder
In mounting hole on box bottom, the cylinder box body right side is equipped with right electrode slot, the cylinder box body left end
Face is equipped with left electrode slot.
Cylinder box body in above-mentioned electrochemical corrosion unit is made using transparent organic glass (PMMA).
Above-mentioned rocking bar is combined together by screw thread and core key, to rocking bar force that core key push-in thrust bearing is fixed
Another semiaxis.
The diameter of cylinder box body in above-mentioned electrochemical corrosion unit is 240mm and its height is 400mm~1000mm.
The utility model can realize via gear cooperation is changed to the slow control for stretching (compression) strain rate, and with corrosion
The cooperation of electrochemical environment case obtains the apparatus and method of tensile sample displacement, power and electrochemical signals variation in real time;Device tool
Standby monitoring material stretches the displacement of (compression) process and stress intensity, while the electrochemical scholarship and moral conduct in in-situ monitoring fluidised form corrosive environment slowly
For.The cyclic test of Compression and Expansion is realized by the positive and negative rotation of chain wheel set, realizes that material stretches the power behavior of (compression) process slowly
Monitor more performance integrated test method for testing of analysis.Distance is not between length and upper and lower two fixture to solve slow tensile sample
Matching problem can rapidly carry out the reset of lead screw when experiment starts each time by this device.It is more in existing device
Being inverted or being rotated forward with motor is made lead screw rise or fall certain distance and meets specimen length requirement, but is added after multi-stage speed-reducing
The speed being loaded on sample is very little, will obviously increase the time of experiment.The present apparatus uses core key and thrust bearing and rocking bar,
Motor can be made to separate with deceleration device, to realize fast moving for lead screw, rocking bar insertion bearing hole is passed through into screw thread and core
Key is combined together, and another semiaxis to rocking bar force that core key push-in thrust bearing is fixed just makes the part of the force of core key complete
It is complete to enter, it is only play the guiding role by the tapered segment of core key in former semiaxis, shaking rocking bar makes conical gear rotation to drive silk
Thick stick movement can be changed rocking bar directional velocity and realize lead screw fast lifting, do not influence another semiaxis and transmission device below.When need
When motor being wanted to drive slow stretching device, core being retracted by rocking bar and is keyed two semiaxis, power is transferred to conical gear from core key,
To avoid core key seamed edge that from can not agreeing with, label, the rocking handle of rocking bar just face or 90 ° of faces or 180 ° are being done just in the side plate back side
The adjustment of core key is slowly retracted when right or 270 ° of faces, then opposite direction pivots rocker is allowed to separate with core key.Specimen surface adhesion
Foil gauge connects displacement sensor and pressure sensor, can the tensile sample strain variation that shows of Real-time Monitoring Data collector.
The utility model has the advantage of the followings: the device realizes the circulation stretched with compression by chain wheel set positive and negative rotation
Force, chain wheel set is using the selection that can substitute chain and sprocket wheel offer many kinds of force and position, by ball-screw as connection sprocket wheel
It is that linear motion applies pressure that the connector of group and electrochemical corrosion system, which can be changed rotary motion, cooperates the slow drawing of scalable shell
It stretches stress electrochemical corrosion system and realizes multiple material stress corrosion and corrosion fatigue process electrification under to fluidised form corrosive environment
Signal monitoring is learned, resetting apparatus fast and easy is provided with and restores lead screw position;Device load is convenient, easy to operate, function
Multiplicity can detect the power and change in displacement and corrosion condition of slow tensile sample, facilitate observation analysis.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the A-A structure section view of the utility model;
Fig. 3 is the structural front view of the utility model electrochemical corrosion unit;
Fig. 4 is the structure top view of the utility model electrochemical corrosion unit.
Appended drawing reference therein are as follows: quadrangle box 1, motor 2, chain wheel set 3, electrochemical corrosion unit 4, cylinder box body
401, upper grip 402, right electrode slot 403, lower collet 404, left electrode slot 405, corrosive liquid injection hole 406, corrosion liquid stream
Portal 407, lower inner housing 5, ball-screw 6, thrust bearing 7, displacement sensor and pressure sensor 8, driven wheel of differential 9, main
Dynamic bevel gear 10, shaft 11, vertical guide rail 12, trolley 13, upper inner housing 14, hand handle 15, rear bearing 16, rocking bar 17, fore bearing
18。
Specific embodiment
Specific embodiment of the present utility model is further illustrated with reference to the accompanying drawing:
A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel, it is characterised in that: including quadrangle box 1, motor
2, chain wheel set 3, electrochemical corrosion unit 4, lower inner housing 5, ball-screw 6, thrust bearing 7, displacement sensor and pressure sensing
Device 8, driven wheel of differential 9, drive bevel gear 10, shaft 11, vertical guide rail 12, trolley 13, upper inner housing 14, hand handle 15, rear axle
16, rocking bar 17 and fore bearing 18 are held, the motor 2 is fixedly mounted on 1 trailing flank of quadrangle box, the chain wheel set 3
It is mounted in quadrangle box 1 and 3 input terminal of chain wheel set is by shaft coupling and the output axis connection of motor 2, the shaft 11 is logical
It crosses bearing to be mounted in 1 mounting hole of quadrangle box, the drive bevel gear 10 is fixedly mounted in shaft 11 and active conical tooth
Wheel 10 is connect by chain with 3 output end of chain wheel set, and the lower inner housing 5 is fixedly mounted on 1 inner bottom surface of quadrangle box, institute
The electrochemical corrosion unit 4 stated is mounted in lower inner housing 5 by sliding slot, and the thrust bearing 7 is mounted on lower inner housing 5 and pushes up
Hold centre bore in, the driven wheel of differential 9 by thrust bearing 7 be mounted on ball-screw 6 and driven wheel of differential 9 and actively
Bevel gear 10 engages, and the displacement sensor and pressure sensor 8 are fixedly mounted on 6 bottom of ball-screw, the trolley
13 are fixedly mounted on 6 top of ball-screw, and the upper inner housing 14 is fixedly mounted on the top surface in quadrangle box 1, described
Vertical guide rail 12 be fixedly mounted in inner housing 14 on left side and right side, the trolley 13 is mounted on vertical guide rail
On 12,17 both ends of rocking bar pass through rear bearing 16 respectively and fore bearing 18 is mounted on quadrangle box 1, the hand handle 15
It is fixedly mounted on rocking bar 17.
In embodiment, electrochemical corrosion unit 4 is by cylinder box body 401, upper grip 402, right electrode slot 403, lower collet
404, left electrode slot 405, corrosive liquid injection hole 406 and corrosive liquid tap hole 407 form, the fixed peace of the upper grip 402
In the mounting hole on 401 top surface of cylinder box body, 401 top surface of cylinder box body is equipped with 406 He of corrosive liquid injection hole
Corrosive liquid tap hole 407, the lower collet 404 are fixedly mounted in the mounting hole on 401 bottom surface of cylinder box body, the circle
401 right side of column box body is equipped with right electrode slot 403, and 401 left side of cylinder box body is equipped with left electrode slot
405。
In embodiment, cylinder box body 401 in electrochemical corrosion unit 4 made of transparent organic glass (PMMA) and
At.
In embodiment, rocking bar 17 is combined together by screw thread and core key, and core key is pushed into thrust shaft to the force of rocking bar 17
Hold fixed another semiaxis.
In embodiment, the diameter of the cylinder box body 401 in electrochemical corrosion unit 4 be 240mm and its height be 400mm~
1000mm。
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel, it is characterised in that: including quadrangle box (1), motor
(2), chain wheel set (3), electrochemical corrosion unit (4), lower inner housing (5), ball-screw (6), thrust bearing (7), displacement sensing
Device and pressure sensor (8), driven wheel of differential (9), drive bevel gear (10), shaft (11), vertical guide rail (12), trolley
(13), upper inner housing (14), hand handle (15), rear bearing (16), rocking bar (17) and fore bearing (18), the motor (2) are solid
Dingan County is on quadrangle box (1) trailing flank, and the chain wheel set (3) is mounted in quadrangle box (1) and chain wheel set (3) inputs
End exports axis connection by shaft coupling and motor (2), and the shaft (11) is mounted on quadrangle box (1) by bearing and installs
Kong Li, the drive bevel gear (10) is fixedly mounted on shaft (11) and drive bevel gear (10) passes through chain and chain wheel set
(3) output end connects, and the lower inner housing (5) is fixedly mounted on quadrangle box (1) inner bottom surface, the electrochemical corrosion
Unit (4) is mounted in lower inner housing (5) by sliding slot, and the thrust bearing (7) is mounted on lower inner housing (5) top center
Kong Li, the driven wheel of differential (9) is mounted on ball-screw (6) by thrust bearing (7) and driven wheel of differential (9) and main
Dynamic bevel gear (10) engagement, the displacement sensor and pressure sensor (8) are fixedly mounted on ball-screw (6) bottom, institute
The trolley (13) stated is fixedly mounted on ball-screw (6) top, and the upper inner housing (14) is fixedly mounted on quadrangle box (1)
On interior top surface, the vertical guide rail (12) is fixedly mounted on the interior left side of inner housing (14) and right side, described
Trolley (13) is mounted on vertical guide rail (12), and the rocking bar (17) both ends pass through rear bearing (16) and fore bearing (18) respectively
It is mounted on quadrangle box (1), the hand handle (15) is fixedly mounted on rocking bar (17).
2. a kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel according to claim 1, it is characterised in that: described
Electrochemical corrosion unit (4) by cylinder box body (401), upper grip (402), right electrode slot (403), lower collet (404), left
Electrode slot (405), corrosive liquid injection hole (406) and corrosive liquid tap hole (407) composition, the upper grip (402) are fixed
It is mounted in the mounting hole on cylinder box body (401) top surface, cylinder box body (401) top surface is equipped with corrosive liquid injection hole
(406) and corrosive liquid tap hole (407), the lower collet (404) are fixedly mounted on the installation on cylinder box body (401) bottom surface
Kong Li, cylinder box body (401) right side are equipped with right electrode slot (403), described cylinder box body (401) left side
It is equipped with left electrode slot (405).
3. a kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel according to claim 2, it is characterised in that: described
Electrochemical corrosion unit (4) in cylinder box body (401) be made using transparent organic glass (PMMA).
4. a kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel according to claim 1, it is characterised in that: described
Rocking bar (17) be combined together by screw thread and core key, to rocking bar (17) force by fixed another of core key push-in thrust bearing
Semiaxis.
5. a kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel according to claim 2, it is characterised in that: described
Electrochemical corrosion unit (4) in the diameter of cylinder box body (401) be 240mm and its height is 400mm~1000mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822164987.7U CN209342537U (en) | 2018-12-21 | 2018-12-21 | A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel |
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CN201822164987.7U CN209342537U (en) | 2018-12-21 | 2018-12-21 | A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel |
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CN209342537U true CN209342537U (en) | 2019-09-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109520873A (en) * | 2018-12-21 | 2019-03-26 | 南京工程学院 | A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel |
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2018
- 2018-12-21 CN CN201822164987.7U patent/CN209342537U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109520873A (en) * | 2018-12-21 | 2019-03-26 | 南京工程学院 | A kind of slow Compression and Expansion device to be slowed down based on chain pitch wheel |
CN109520873B (en) * | 2018-12-21 | 2024-01-26 | 南京工程学院 | Slow stretching compression device based on chain gear reduction |
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