CN107907299A - Suitable for the device and its operation method of transient reliability experiment - Google Patents

Suitable for the device and its operation method of transient reliability experiment Download PDF

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Publication number
CN107907299A
CN107907299A CN201711080061.3A CN201711080061A CN107907299A CN 107907299 A CN107907299 A CN 107907299A CN 201711080061 A CN201711080061 A CN 201711080061A CN 107907299 A CN107907299 A CN 107907299A
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China
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rope
gate
mandril
weight
winding wheel
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CN107907299B (en
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戎贵文
王旭
李瑜
罗秀丽
倪欢
沈齐婷
郑青辉
向令
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M10/00Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels

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  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention discloses a kind of device and its operation method suitable for transient reliability experiment, it is related to hydraulic con-ceptual model field, which includes experimental tank, sluice, transmission system and triggering system.Before dam-break experiments start, the gate that dam body is simulated in gate slot remains static;When dam-break experiments start, cord is drawn by weight drop and extracts pin, cam is pulled open by spring moment, and gate obtains the pulling force effect of transmission system when losing the supporting role of mandril suddenly again, decline rapidly in very short time inner gate, realize the test effect of transient reliability.The device suitable for transient reliability experiment of the present invention avoids gate traditional dam-break experiments and is lifted up being formed hydraulic jump and the disturbance to upstream water body under lock, helps more accurately to study the water flow motion character istics in the case of dam body instantaneously bursts.

Description

Suitable for the device and its operation method of transient reliability experiment
Technical field
The present invention relates to hydraulic con-ceptual model field, more particularly to a kind of device suitable for transient reliability experiment and its Operation method.
Background technology
China's issue in 2013《National water conservancy generaI investigation publication for the first time》It has been shown that, the existing all kinds of reservoirs in China amount to 98002, wherein storage capacity is more than 100,000,000 m3Large reservoir more than 400.Within China's reservoir protection domain, include number Hundred large- and-medium size cities, more than 300,000,000 populations and 4.8 hundred million mu of farmlands.Over time and General Maintenance missing, water Storehouse dam inevitably ageing and it is damaged phenomena such as, it is extreme to form dangerous storehouse, sick storehouse, earthquake, extra torrential rain etc. Event easily induces dam break, produces huge security risk.Dam safety is related to public safety, and the flood due to dam-break movement of research dam is special Property, inquire into reservoir dam break risk and be of great significance for reinforced region flood control and disaster reduction.
Indoor water tank dam break physical experiments are to study the main approaches of transient reliability process, in test simulation mistake Generally use is lifted up the method for gate to obtain transient reliability current, due to gate pair in gate lifting process suddenly in journey There is effect of contraction in the water body that elevation exceedes gate lower edge, cause upstream current to take place from bottom and burst, with reality Transient reliability water flow process is not inconsistent, meanwhile, the shearing force that gate lifting process produces can cause jet stream and current splash phenomena, right Upstream water body produces significant disturbance.
The content of the invention
Goal of the invention:The technical problems to be solved by the invention be to provide it is a kind of suitable for transient reliability experiment device and Its operation method, overcomes the shortcomings of existing dam break physical experiments technology, is realized by way of quickly detaching gate downwards Upstream water body bursts rapidly from top down, improves the accuracy and operability of transient reliability simulation.
Technical solution:The present invention solves its technical problem and uses the device tested suitable for transient reliability, including experiment Sink, sluice, transmission system and triggering system.
The experimental tank bottom surface is equipped with identical and perpendicular to the transverse joint of groove body with bottom width.
The sluice is located at the transverse joint position of experimental tank, sluice include gate, gate slot, top cover labyrinth and under it is close Capping.Gate can move up and down in transverse joint, and gate slot is arranged on the inside of two cell walls of experimental tank and phase vertical with transverse joint Hand over, the left and right ends of gate are located in gate slot, top cover labyrinth and lower sealing cover be adhesively fixed respectively directly over gate and just under Side, is equipped with rubber fastening band between gate and gate slot, the width of top cover labyrinth and lower sealing cover is all higher than the width of transverse joint.
The transmission system is located at below experimental tank, transmission system include transmission platform, transmission shaft, fixed pulley, around Rope sheave M1, rope-winding wheel M2, rope-winding wheel M3, bevel gear G1, bevel gear G2, rope R1, rope R2, rope R3, shaft, weight, cord and Pin.Transmission platform is fixed on ground, and transmission shaft is installed on transmission platform crown center, rope-winding wheel M by bearing block and bearing1 With bevel gear G1Transmission shaft is fixed on, fixed pulley is close to rope-winding wheel M1Installed in transmission shaft, rope-winding wheel M2, rope-winding wheel M3And cone Gear G2It is fixed on shaft, bevel gear G1With bevel gear G2Intermeshing, rope R1Upper end connects and is wrapped rope-winding wheel M1, lower end It is connected to weight, rope R2With rope R3One end be wound in rope-winding wheel M respectively2With rope-winding wheel M3, the other end vertical connection respectively In the lower surface of lower sealing cover, cord connects weight, other end connecting pin across fixed pulley one end.
The triggering system includes spring, mandril, mandril attaching means, cam, mandril recycling hole and pin hole.Mandril constrains Part is fixed on transmission platform, and spring one end is connected to transmission platform, the other end is connected to cam, and mandril is erected through mandril attaching means Directly withstand between the lower surface of lower sealing cover and the top of cam, cam side is equipped with pin hole, mandril recycling hole be located at mandril with In ground immediately below cam.
Small circle ring, the rope R are equipped with the top of the weight1The small circle ring of weight is both connected to cord.It is described Weight be subject to exterior holding power to act on before the test, rope R1Relaxed state, rope R are in before the test with cord1Do not drawn Straight length is more than the length that cord is not straightened.
The pin is connected with cord and is inserted into pin hole and ground.
The cam bottom is equipped with hollow chute, and cam can be transported along hollow chute under the pulling force effect of spring It is dynamic.
Preferably, the experimental tank uses prismatic sink of the cross section for rectangle.
Preferably, the width of the top cover labyrinth is slightly larger than the width of the transverse joint, reduces gate and detached downwards To the disturbance of experiment water body in journey.
Preferably, the rope-winding wheel M2, rope-winding wheel M3Radius it is identical, and be more than bevel gear G2Radius of turn.
Preferably, the bevel gear G1With bevel gear G2Big end modulus and profile angle difference it is equal, pressure angle is 20 °, ensure that two bevel gears can accurately engage, bevel gear G1Reference diameter be more than bevel gear G2Reference diameter.
Preferably, the mandril is placed exactly in the surface in mandril recycling hole, the diameter in mandril recycling hole is more than top The diameter of bar.
In the present invention, the rope-winding wheel M1Radius of turn is bevel gear G11.5 times of radius of turn.
In the present invention, the fixed pulley and rope-winding wheel M1It is close to, fixed pulley being capable of flexible rotating around transmission shaft.
In the present invention, the transmission shaft is mutually perpendicular to shaft.
Based on the operation method of the above-mentioned device suitable for transient reliability experiment, include the following steps:
1. initial, spring is in extended state, and pin insertion pin hole and ground, cam are under the fixation of pin Inactive state, mandril are vertically supported at through mandril attaching means the lower surface of lower sealing cover and the top of cam, test water Groove is connected with the water storage box of upstream simulation reservoir, and lower sealing cover closure transverse joint lower end, gate is in hydrostatic pressure, frictional force, rubber Waterstop pressure, self gravitation and mandril, which are delivered under the holding power collective effect of lower sealing cover in gate slot, is in static shape State, weight are subject to external force supporting role remains stationary state, and transmission system and triggering system remain static, rope R1With it is thin Rope is in relaxed state;
2. test, external force supporting role release weight is removed, weight accelerates downwards under self gravitation effect, During weight drop, the cord for connecting weight is gradually stretched to vertical state first, continues to fall with weight, cord It is subject to the pulling force effect of weight to extract pin from ground and pin hole, cam is lost after pin limits in the pulling force effect of spring Lower to be moved along hollow chute, the holding power that cam is acted on mandril disappears, and original equilibrium state of mandril and gate is broken;
3. after cam holding power is lost, mandril falls into top vertically under the effect of contraction of self gravitation and mandril attaching means Bar recycles hole;
4. meanwhile weight connects the rope R of weight in Continued downward motion1Gradually stretched, weight passes through rope R1Draw Dynamic rope-winding wheel M1Rotation counterclockwise, bevel gear G1Under transmission shaft driving effect with rope-winding wheel M1Together rotation counterclockwise, bevel gear G1Engage bevel gear G2Drive shaft rotates, shaft driving rope-winding wheel M2, rope-winding wheel M3Rotation tenses rope R2With rope R3So as to Draw gate to decline so that gate sharp downward movement within the extremely short time;
5. when weight lands, whole gate, which detaches process, to be terminated, and top cover labyrinth exactly in contact with experimental tank bottom is simultaneously covered Cover in transverse joint upper end, prevent dam-break water flow from being leaked by transverse joint, ensure being smoothed out for transient reliability simulation test;
According to above-mentioned corresponding steps, the gate in transient reliability simulation test procedure can be completed and quickly detach behaviour downwards Make, improve the accuracy of simulation transient reliability process.
Beneficial effect:The device and its operation method that are suitable for transient reliability experiment of the present invention, has below beneficial to effect Fruit:
(1) the gate opening mode in the present invention is quickly to detach downwards, and gate mode is lifted up relative to traditional, It can realize that upstream current burst from top down using mode starting gate is quickly detached downwards, avoid being lifted up in gate During gate for water level exceed gate lower edge current effect of contraction, while eliminate cut by what gate lifting process produced Jet stream caused by shear force and current splash phenomena, significantly reduce disturbance of the gate opening process to upstream water body.
(2) transmission system in the present invention can amplify the velocity amplitude that weight accumulates in dropping process so that gate Fallen with fast speed rapidly, realize that gate quickly detaches downwards, be conducive to more accurately simulate transient reliability process.
(3) cam-push rod structure in the present invention provides the holding power of stabilization before transient reliability on-test for gate, Work as weight drop, after pin hole and ground are extracted, triggering system brings into operation pin, cam along hollow chute spring drawing The lower movement of power effect, mandril fall into mandril recycling hole, and cam-push rod structure is to the holding power pop-off of gate, cam-mandril Structure has played the dual-use function stablized with unstability.
(4) top cover labyrinth in the present invention and the width of lower sealing cover are all higher than the width of transverse joint, are tested in transient reliability Before beginning, lower sealing cover blocks transverse joint lower end under the effect of propping up of mandril branch, prevents the water body that upstream sink is saved from passing through transverse joint Leakage;After transient reliability on-test, top cover labyrinth is covered in transverse joint upper end as gate falls, and prevents dam-break experiments current Leaked by transverse joint.Top cover labyrinth and lower sealing cover effectively reduce the leakage of water, ensure that the suitable of transient reliability simulation test Profit carries out.
Brief description of the drawings
Fig. 1 is the structure diagram of the device for being suitable for transient reliability experiment of the present invention;
Fig. 2 is the structure diagram of transmission system in Fig. 1;
Fig. 3 is the structure diagram that system is triggered in Fig. 1;
In figure:1- experimental tanks, 11- transverse joints;2- sluice, 21- gates, 22- gate slotes, 23- top cover labyrinths, seal under 24- Lid;3- transmission systems, 30- transmission platforms, 31- transmission shafts, 32- fixed pulleys, 33A- rope-winding wheels M1, 33B- rope-winding wheels M2, 33C- around Rope sheave M3, 34A- bevel gears G1, 34B- bevel gears G2, 35A- ropes R1, 35B- ropes R2, 35C- ropes R3, 36- shafts, 37- weights Hammer, 38- cords, 39- pins;4- triggers system, 41- springs, 42- mandrils, 43- mandril attaching means, 44- cams, 45- mandrils time Receive hole, 46- pin holes.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment:
As shown in Figure 1-Figure 3, a kind of device suitable for transient reliability experiment of the invention, including experimental tank 1, sluice 2nd, transmission system 3 and triggering system 4.
As shown in Figure 1,1 bottom surface of experimental tank is equipped with transverse joint 11 identical and perpendicular to groove body with bottom width.2, sluice In 11 position of transverse joint of experimental tank 1, sluice 2 includes gate 21, gate slot 22, top cover labyrinth 23 and lower sealing cover 24.Its In, gate 21 can move up and down in transverse joint 11, gate slot 22 be arranged on the inside of two cell walls of experimental tank 1 and with transverse joint 11 Intersect vertically, the left and right ends of gate 21 are located in gate slot 22, and top cover labyrinth 23 and lower sealing cover 24 are adhesively fixed in lock respectively Directly over door 21 and underface, is equipped with rubber fastening band, top cover labyrinth 23 and lower sealing cover 24 between gate 21 and gate slot 22 Width be all higher than the width of transverse joint 11.
As depicted in figs. 1 and 2, transmission system 3 is located at the lower section of experimental tank 1, and transmission system 3 includes transmission platform 30, passes Moving axis 31, fixed pulley 32, rope-winding wheel M133A, rope-winding wheel M233B, rope-winding wheel M333C, bevel gear G134A, bevel gear G234B, rope Rope R135A, rope R235B, rope R335C, shaft 36, weight 37, cord 38 and pin 39.Wherein, transmission platform 30 is fixed on Ground, transmission shaft 31 are installed on 30 crown center of transmission platform, rope-winding wheel M by bearing block and bearing133A and bevel gear G134A Transmission shaft 31 is fixed on, fixed pulley 32 is close to rope-winding wheel M133A is installed on transmission shaft 31, rope-winding wheel M233B, rope-winding wheel M333C With bevel gear G234B is fixed on shaft 36, bevel gear G134A and bevel gear G234B is intermeshed, rope R135A upper ends connect simultaneously It is wrapped rope-winding wheel M133A, lower end are connected to weight 37, rope R235B and rope R3One end of 35C is wound in rope-winding wheel respectively M233B and rope-winding wheel M333C, the other end are connected to the lower surface of lower sealing cover 24 vertically respectively, and cord 38 is across fixed pulley 32 1 End connection weight 37, other end connecting pin 39.The top of weight 37 is equipped with small circle ring, rope R135A and cord 38 are both connected to The small circle ring of weight 37.Weight 37 is subject to exterior holding power to act on before the test, rope R135A and cord 38 are in before the test Relaxed state, rope R1The length that 35A is not straightened is more than the length that cord 38 is not straightened.Pin 39 is connected simultaneously with cord 38 It is inserted into pin hole 46 and ground.
As shown in figures 1 and 3, triggering system 4 includes spring 41, mandril 42, mandril attaching means 43, cam 44, mandril time Receive hole 45 and pin hole 46.Wherein, mandril attaching means 43 is fixed on transmission platform 30,41 one end of spring be connected to transmission platform 30, The other end is connected to cam 44, and mandril 42 withstands on lower surface and the cam 44 of lower sealing cover 24 through mandril attaching means 43 vertically Between top, 44 side of cam is equipped with pin hole 46, and mandril recycling hole 45 is located in the ground immediately below mandril 42 and cam 44.
In the present embodiment, 44 bottom of cam is equipped with hollow chute, and cam 44 can be along hollow chute in spring 41 Moved under pulling force effect.
In the present embodiment, rope-winding wheel M133A radiuss of turn are bevel gear G11.5 times of 34A radiuss of turn;Rope-winding wheel M233B, rope-winding wheel M3The radius of 33C is identical, and is equal to bevel gear G23 times of 34B radiuss of turn.
In the present embodiment, transmission platform is double layers table stepwise hollow sting structure, and is fixed on ground.
In the present embodiment, transient reliability experiment is initial, and spring 41 is in extended state, and pin 39 is inserted into pin hole 46 and ground Face, cam 44 remain static under the fixation of pin 39, and mandril 42 is vertically supported at down through mandril attaching means 43 Between the lower surface of sealing cover 24 and the top of cam 44, experimental tank 1 is connected with the water storage box of upstream simulation reservoir, lower sealing Lid 24 blocks 11 lower end of transverse joint, and gate 21 is passed in hydrostatic pressure, frictional force, rubber fastening band pressure, self gravitation and mandril 42 It is delivered under the holding power collective effect of lower sealing cover 24 and remains static in gate slot 22, weight 37 is subject to external force supporting role Remains stationary state, transmission system 3 and triggering system 4 remain static, rope R135A and cord 38 are in relaxed state. Transient reliability experiment starts after external force supporting role is removed, and weight 37 accelerates downwards under self gravitation effect, in weight Hammer into shape in 37 dropping process, the cord 38 of connection weight 37 is gradually stretched to vertical state first, with the continuation of weight 37 Fall, cord 38 is subject to the pulling force effect of weight 37 to extract pin 39 from ground and pin hole 46, and cam 44 loses pin 39 and limits Moved after system under the pulling force effect of spring 41 along hollow chute, the holding power that cam 44 is acted on mandril 42 disappears, mandril 42 and original equilibrium state of gate 21 be broken.After 44 holding power of cam is lost, mandril 42 in self gravitation and mandril about Mandril recycling hole 45 is fallen under the effect of contraction of bundle 43 vertically.Meanwhile weight 37 is in Continued downward motion, connection weight 37 Rope R135A is gradually stretched, and weight 37 passes through rope R135A pulls rope-winding wheel M133A rotates counterclockwise, bevel gear G134A exists Under 31 driving effect of transmission shaft with rope-winding wheel M133A together rotates counterclockwise, bevel gear G134A engagement bevel gears G234B drivings turn Axis 36 rotates, and shaft 36 drives rope-winding wheel M233B, rope-winding wheel M333C rotations tense rope R235B and rope R335C is so as to draw Gate 21 declines so that the sharp downward movement within the extremely short time of gate 21.When weight 37 lands, whole gate 21 detaches Process terminates, and 23 exactly in contact with experimental tank of top cover labyrinth, 1 bottom is simultaneously covered in 11 upper end of transverse joint, prevents dam-break water flow from passing through horizontal stroke The leakage of seam 11, ensures being smoothed out for transient reliability simulation test.
The device for being suitable for transient reliability experiment of the present invention, when dam-break experiments start, cord is drawn by weight drop Pin is extracted, cam is pulled open by spring moment, and gate obtains the drawing of transmission system when losing the supporting role of mandril suddenly again Power acts on, and declines rapidly in very short time inner gate, realizes the test effect of transient reliability.
Although the preferred embodiment of the present invention is described above in association with attached drawing, the invention is not restricted to above-mentioned specific Embodiment, above-mentioned embodiment are only exemplary rather than limited, it should be pointed out that:For the skill of this area For art personnel, all technical solutions formed using equivalent substitution, are all fallen within the protection domain of application claims.

Claims (5)

1. a kind of device suitable for transient reliability experiment, including experimental tank (1), sluice (2), transmission system (3) and triggering System (4), it is characterised in that:
Described experimental tank (1) bottom surface is equipped with transverse joint (11) identical with bottom width and perpendicular to groove body;
The sluice (2) is located at transverse joint (11) position of experimental tank (1), and sluice (2) includes gate (21), gate slot (22), top cover labyrinth (23) and lower sealing cover (24), gate (21) can move up and down in transverse joint (11), and gate slot (22) is set Intersect vertically on the inside of two cell walls of experimental tank (1) and with transverse joint (11), the left and right ends of gate (21) are located at gate slot (22) in, top cover labyrinth (23) and lower sealing cover (24) are adhesively fixed in gate (21) surface and underface, gate respectively (21) it is equipped with rubber fastening band between gate slot (22), the width of top cover labyrinth (23) and lower sealing cover (24) is all higher than transverse joint (11) width;
The transmission system (3) is located at below experimental tank (1), and transmission system (3) includes transmission platform (30), transmission shaft (31), fixed pulley (32), rope-winding wheel M1(33A), rope-winding wheel M2(33B), rope-winding wheel M3(33C), bevel gear G1(34A), bevel gear G2(34B), rope R1(35A), rope R2(35B), rope R3(35C), shaft (36), weight (37), cord (38) and pin (39), transmission platform (30) is fixed on ground, and transmission shaft (31) is installed at the top of transmission platform (30) by bearing block and bearing Centre, rope-winding wheel M1(33A) and bevel gear G1(34A) is fixed on transmission shaft (31), and fixed pulley (32) is close to rope-winding wheel M1 (33A) is installed on transmission shaft (31), rope-winding wheel M2(33B), rope-winding wheel M3(33C) and bevel gear G2(34B) is fixed on shaft (36), bevel gear G1(34A) and bevel gear G2(34B) is intermeshed, rope R1(35A) upper end connects and is wrapped rope-winding wheel M1 (33A), lower end are connected to weight (37), rope R2(35B) and rope R3The one end of (35C) is wound in rope-winding wheel M respectively2(33B) With rope-winding wheel M3(33C), the other end are connected to the lower surface of lower sealing cover (24) vertically respectively, and cord (38) is across fixed pulley (32) one end connection weight (37), other end connecting pin (39);
The triggering system (4) includes spring (41), mandril (42), mandril attaching means (43), cam (44), mandril recycling hole (45) and pin hole (46), mandril attaching means (43) are fixed on transmission platform (30), and spring (41) one end is connected to transmission platform (30), the other end is connected to cam (44), and mandril (42) is withstood under lower sealing cover (24) vertically through mandril attaching means (43) Between surface and the top of cam (44), cam (44) side is equipped with pin hole (46), and mandril recycling hole (45) is located at mandril (42) In the ground immediately below cam (44).
2. the device according to claim 1 suitable for transient reliability experiment, it is characterised in that:Weight (37) top Portion is equipped with small circle ring, the rope R1(35A) and cord (38) are both connected to the small circle ring of weight (37);The weight (37) it is subject to exterior holding power to act on before the test, rope R1(35A) and cord (38) are in relaxed state, rope before the test R1The length that (35A) is not straightened is more than the length that cord (38) is not straightened.
3. the device according to claim 1 suitable for transient reliability experiment, it is characterised in that:The pin (39) with Cord (38) connects and is inserted into pin hole (46) and ground.
4. the device according to claim 1 suitable for transient reliability experiment, it is characterised in that:Described cam (44) bottom Portion is equipped with hollow chute, and cam (44) can be moved along hollow chute under the pulling force effect of spring (41).
5. the operation method of the device according to any one of claims 1 to 4 suitable for transient reliability experiment, its feature exist In comprising the following steps:
1. initial, spring (41) is in extended state, pin (39) insertion pin hole (46) and ground, and cam (44) is in pin (39) Fixation under remain static, mandril (42) is vertically supported under lower sealing cover (24) through mandril attaching means (43) Between surface and the top of cam (44), experimental tank (1) is connected with the water storage box of upstream simulation reservoir, lower sealing cover (24) envelope Stifled transverse joint (11) lower end, gate (21) are passed in hydrostatic pressure, frictional force, rubber fastening band pressure, self gravitation and mandril (42) It is delivered under the holding power collective effect of lower sealing cover (24) and remains static in gate slot (22), weight (37) is subject to external force branch Support acts on remains stationary state, and transmission system (3) and triggering system (4) remain static, rope R1(35A) and cord (38) In relaxed state;
2. test, external force supporting role release weight (37) is removed, weight (37) accelerates downwards fortune under self gravitation effect Dynamic, in weight (37) dropping process, the cord (38) of connection weight (37) is gradually stretched to vertical state first, with emphatically Hammer (37) continues to fall, and cord (38) is subject to the pulling force effect of weight (37) to pull out pin (39) from ground and pin hole (46) Go out, cam (44) moves after losing pin (39) limitation under the pulling force effect of spring (41) along hollow chute, and cam (44) is made Holding power on mandril (42) disappears, and original equilibrium state of mandril (42) and gate (21) is broken;
3. after cam (44) holding power is lost, mandril (42) erects under the effect of contraction of self gravitation and mandril attaching means (43) It is straight enter mandril recycling hole (45);
4. meanwhile weight (37) is in Continued downward motion, the rope R of connection weight (37)1(35A) is gradually stretched, weight (37) Pass through rope R1(35A) pulls rope-winding wheel M1(33A) rotates counterclockwise, bevel gear G1(34A) is under transmission shaft (31) driving effect With rope-winding wheel M1(33A) together rotation counterclockwise, bevel gear G1(34A) engagement bevel gear G2(34B) drive shaft (36) rotates, Shaft (36) driving rope-winding wheel M2(33B), rope-winding wheel M3(33C) rotation tenses rope R2(35B) and rope R3(35C) is so as to lead Draw gate (21) decline so that gate (21) sharp downward movement within the extremely short time;
5. when weight (37) lands, whole gate (21) process of detaching terminates, top cover labyrinth (23) exactly in contact with experimental tank (1) bottom and transverse joint (11) upper end is covered in, prevents dam-break water flow from passing through transverse joint (11) and leaking, ensure transient reliability simulation test Be smoothed out;
According to above-mentioned corresponding steps, the gate in transient reliability simulation test procedure can be completed and quickly detach operation downwards, Improve the accuracy of simulation transient reliability process.
CN201711080061.3A 2017-11-06 2017-11-06 Device and its operation method suitable for transient reliability test Active CN107907299B (en)

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CN109853456A (en) * 2018-12-29 2019-06-07 河海大学 A kind of dam-break bores generation pilot system
CN110205978A (en) * 2019-06-11 2019-09-06 长沙理工大学 A kind of moment of dam break experiment opens a sluice gate device
CN110411708A (en) * 2019-08-13 2019-11-05 安徽理工大学 A kind of wave simulator and its operation method suitable for wave simulation test

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CN109853456A (en) * 2018-12-29 2019-06-07 河海大学 A kind of dam-break bores generation pilot system
CN110205978A (en) * 2019-06-11 2019-09-06 长沙理工大学 A kind of moment of dam break experiment opens a sluice gate device
CN110411708A (en) * 2019-08-13 2019-11-05 安徽理工大学 A kind of wave simulator and its operation method suitable for wave simulation test
CN110411708B (en) * 2019-08-13 2024-03-08 安徽理工大学 Wave generating device suitable for wave simulation test and operation method thereof

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