CN205530106U - Dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition - Google Patents
Dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition Download PDFInfo
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- CN205530106U CN205530106U CN201620241617.7U CN201620241617U CN205530106U CN 205530106 U CN205530106 U CN 205530106U CN 201620241617 U CN201620241617 U CN 201620241617U CN 205530106 U CN205530106 U CN 205530106U
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Abstract
The utility model relates to a dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition is one kind and is applicable to the test device that research dam abutment unstability leads to the dam body to burst in the twinkling of an eye. The utility model discloses a dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition includes leak protection unit, fixed platform, dam body, basin and unstability unit. The dam body is become by a plurality of baffle block group to keep stabilizing the state under the related parts combined action in fixed platform, basin and leak protection unit and unstability unit. Realize the dam abutment unstability through the resistance silky hair thermal fuse copper wire in the unstability unit, cause after the dam abutment unstability that the dam atress is unbalance, the baffle piece caves in and destroy by rush of water to the experimental effect that the realization dam body bursts in the twinkling of an eye. The utility model discloses a dam body that research dam abutment unstability leads to bursts mechanism and the rivers motion laws that bursts in the twinkling of an eye in the twinkling of an eye provides reliable testing technique.
Description
Technical field
This utility model relates to big dam breaking technical field, bursts particularly to dam body moment unstability under a kind of extreme loading condition
Analog.
Background technology
Along with the development of hydraulic engineering, the quantity of reservoir dam gets more and more, according within 2013, issue " whole nation water conservancy is general for the first time
Look into publication " display, total 98002, the reservoir in the whole nation, aggregate storage capacity 9323.12 hundred million m3.Reservoir dam be Flood Control in Certain Area safety,
Irrigate, supplying water provides important leverage, human social development serves extremely important impetus, is China's flood control works
The important component part of system.But As time goes on, the phenomenon such as reservoir inevitably ageing and breakage.
The most in recent years, the natural environment event such as seismic events and extreme flood dramatically increases, and the risk that dam bursts constantly carries
High.The harm caused due to big dam breaking is extremely serious, and people increasingly pay attention to the research to dam bursting mechanism.Dam break physics
Model test has the unrivaled superiority of other ways and means in terms of mechanism of collapsed dam research, and model-test data is great
Hydraulic Engineering Design and the Main Basis of construction.Understand mechanism of collapsed dam, the flood peak dynamic trait of dam-break water flow and flood wave evolution shape
Formula, is conducive to carrying out in dam break downstream the precautionary measures, reduces the huge Loss of Life and property that dam break is caused.
For the research of bursting in wink of dam, conventional dam-break experiments device mainly pull baffle plate above dam body, current are made to flow from below
Going out, the process of pull baffle plate objectively have impact on the dam-break mode of dam body, does not also reach the effect that moment bursts, inevitably
Artificial disturbance and error eventually result in result of the test and bigger error, the accuracy of impact test occur.Therefore, dam body moment loses
Surely bursting, dam abutment unstability, dam body moment that particularly the irresistible extreme load such as violent earthquake or landslide causes burst
Analog need to study further.
Utility model content
Utility model purpose: technical problem to be solved in the utility model is to provide dam body moment mistake under a kind of extreme loading condition
The analog surely burst, overcomes existing dam body moment unstability to burst the deficiency of experimental technique, reduces the people in dam break model test
For error, particularly provide dam abutment unstability, dam body wink that the irresistible extreme loads such as a kind of violent earthquake or landslide cause
Between the analog that bursts, prevent and reduce natural disasters risk assessment level and reduce the potential danger of reservoir Dam on Downstream to improving reservoir dam
Evil is significant.
Technical scheme: this utility model solves the mould that under the extreme loading condition that its technical problem is used, dam body moment unstability is burst
Intend device, including leakproof unit, fixed platform, dam body, tank and unstability unit.
Described leakproof unit is made up of anti-runout and retention device.Described anti-runout top dead center position is provided with circular hole, the side of anti-runout
Face upper end-face edge connects as one with bottom land, and ground is fixed in anti-runout lower end；Described retention device is positioned at the circular hole on anti-runout top
In, it is provided with multiple aperture bottom retention device.
Described fixed platform by base, support bar, iron ring, steel pipe, iron hoop, iron wire, weight A, connector, steel wire rope,
Weight B, spring and a stay tube are constituted.Base is fixed in described support bar lower end, and post upper is fixing with steel pipe lower-left end even
Connect；Described iron ring is fixed on support bar side, and iron ring is centrally located at the underface of steel pipe left end；Described steel pipe is across tank, steel
Side immediately below pipe is provided with several transverse joints, and the downside of steel pipe left end is fixed on post upper, the downside of steel pipe right-hand member
It is fixed on a stay tube upper end；Described connector is laid in steel duct through iron hoop；The overall diameter of described iron hoop is interior more than steel pipe
Diameter and less than the overall diameter of steel pipe, iron hoop is nested in the transverse joint of steel pipe side；Described iron wire one end is connected with iron hoop, another
End is connected with weight A after some aperture bottom retention device；Described weight B is suspended from immediately below iron ring, and weight B passes through
Steel wire rope is connected with the connector of high order end；Described spring is vertically laid in a stay tube, and the external diameter of spring is interior equal to a stay tube
Footpath, spring upper end is connected with the connector of low order end by steel wire rope, and lower spring end is fixed on a stay tube lower end；Described steel wire rope
Two ends are provided with bead, and the diameter of bead is more than the diameter of steel wire rope；Described support tube side face is provided with semi-cylindrical hole, a stay tube
Base is fixed in lower end；Described base is xoncrete structure and is fixed on ground.
Described dam body is made up of several baffle plates.Baffle plate is spliced by some baffle plate blocks again, between adjacent baffle plate block and gear
Sealing with sealing material between plate and described tank, the back side side of baffle plate relies on and is jointly indexed by iron hoop and weight A
On iron wire.
Described tank is divided into upstream tank and downstream tank, and tank is made up of the cell wall of bottom land and both sides.Upstream tank and downstream water
Groove is all connected with leakproof unit and dam body, and the bottom land of upstream tank and the bottom land junction of downstream tank are provided with the circle installing retention device
Hole.
Described unstability unit is made up of on and off switch, adiabatic box, resistance wire and copper wire.Described unstability unit is arranged on support tube side
In semi-cylindrical hole, face, the outer layer of unstability unit is adiabatic box；Described resistance wire is arranged vertically at inside adiabatic box, and power supply is opened
Pass is arranged on adiabatic box outside and is connected by electric wire with resistance wire；Described copper wire is from top to bottom through adiabatic box, the upper end of copper wire
Be fixed on top for stay tube, spring upper end that lower end is connected to.
In this utility model, described connector is made up of female joint, steel wire rope and male joint.Described steel wire rope two ends are provided with little
Ball, the diameter of bead, more than the diameter of steel wire rope, connects with steel wire rope between female joint and the male joint of same connector, two
It is connected with male joint by female joint between individual adjacent connector.Described female joint one end be laminated structure, the other end be pipe
Shape structure, laminated structure is for carrying foraminate semicircle, and the side of round tube shape structure has arcuate socket and circular hole, arcuate socket and circular hole
All communicating with the inwall of round tube shape structure, arcuate socket is along the axially arranged of pipe and the end that is positioned at round tube shape structure, circular hole position
In the top of arcuate socket and intersecting with arcuate socket, the aperture of circular hole is equal to the diameter of steel wire rope two ends bead and more than round tube shape structure
Internal diameter, the aperture of arcuate socket is equal to the diameter of steel wire rope；Described male joint one end be recessed hemisphere, the other end be pipe
Shape structure, recessed hemisphere centre of surface position is provided with hook formation, the round tube shape structure of male joint and the circular tube shaped of female joint
Structure is identical, and side also has arcuate socket and circular hole.Steel wire is used between female joint and the male joint of described same connector
Rope connects, and connected mode is that steel wire rope two ends bead is respectively embedded into round tube shape structure side circular hole and the circle of male joint of female joint
Tubular structure side circular hole, is filled in steel wire rope inside round tube shape structure by the arcuate socket of round tube shape structure side simultaneously；Described
Being connected with male joint by female joint between two adjacent connectors, connected mode is the hook formation of male joint to be hooked mother connect
In the laminated structure aperture of head.
In this utility model, the side immediately below described steel pipe is provided with several transverse joints, and the length of transverse joint is equal to described iron hoop
Overall diameter, the width of transverse joint is equal to the overall diameter of described iron hoop and the difference of interior diameter, and transverse joint is perpendicular to pipe axis and is arranged in parallel.
In this utility model, the instability condition of described unstability unit is to make resistance wire heating fusing copper wire by the switch that switches on power
And realize.
In this utility model, described layout of spring is in described stay tube, and the external diameter of spring is identical with supporting bore, spring
And scribble lubricating oil between a stay tube；Described spring is in maximum tension shape under the common effect of copper wire, steel wire rope and a stay tube
State, after copper wire is fused by resistance wire, spring stress is unbalance, and moment contraction drives weight B to rise rapidly, and weight B is hindered by iron ring
Suddenly stop after gear rising, under strong elastic wave percussion, the male joint hook of some or certain several connectors in steel pipe
Shape structure generation stretcher strain or fracture, cause dam body unstability.
In this utility model, described weight A jointly drew iron wire before dam body unstability and all baffle plates is protected with described iron hoop
Holding resting state, fall to tank both sides along with connector and steel wire rope after dam body unstability, weight A moment is by all of ferrum
Silk is dragged to anti-runout, iron hoop is dragged to retention device, unbalance at baffle plate self gravitation and upstream acting by external hydrostatic pressure lower baffle plate, dam
Body moment caves in, and baffle plate block is washed away.
As preferably, described steel pipe is vertically across tank.
As preferably, the side immediately below described steel pipe is provided with several transverse joints, and each transverse joint is perpendicular to pipe axis, different horizontal
Distance between seam is equal, and the length of transverse joint is equal to the overall diameter of iron hoop, and the width of transverse joint is equal to overall diameter and the interior diameter of iron hoop
Difference.
As preferably, the overall diameter of described iron hoop is more than the interior diameter of steel pipe, it is to avoid iron hoop swings along with connector and leaves
The transverse joint at place enters steel duct, the process that after affecting dam abutment unstability, weight A towing iron hoop comes off.
As preferably, on the left of described steel pipe, underface is welded on post upper, and on the right side of described steel pipe, the underface of port is welded on
Support bar is near the sidewall upper in tank direction.
As preferably, described dam body is made up of several baffle plates, and each baffle plate is spliced by several baffle plate blocks again, baffle plate block
Select finished lamellar stone or special earth and stone material plate, between baffle plate block and between baffle plate block and tank, use sealing material close
Envelope.
As preferably, thicker bottom described retention device, the aperture of bottom is arranged side by side, and hole shape is the terrace with edge stood upside down, greatly
Add iron hoop and be dragged to the probability of auto arrangement after retention device, reduce the probability that iron hoop is mutually wound around.
As preferably, the shape of described adiabatic box is designed as hollow semicolumn, the size of adiabatic box and support tube side face semicolumn
The size in shape hole is identical so that unstability unit is collectively forming a complete support column with a stay tube.
As preferably, the round tube shape structure of described female joint and male joint being designed with arcuate socket, arcuate socket has and prevents steel wire rope
The advantage come off from female joint and male joint spring.
As preferably, described male joint one end is recessed hemisphere, and recessed hemisphere centre of surface position is provided with hook formation；
Described female joint one end is laminated structure, and laminated structure is for carrying foraminate semicircle.The hook formation of male joint hooks female joint
After laminated structure aperture, shape cylindrical-shaped structure between male joint and female joint, it is to avoid connector at port of steel pipe may be by card
Defect.
Beneficial effect: the analog that under a kind of extreme loading condition of the present utility model, dam body moment unstability is burst, has following
Beneficial effect:
(1) analog that under extreme loading condition of the present utility model, dam body moment unstability is burst improves the spontaneous of the process of bursting
Property and randomness, overcome interference and error that manual operation causes；
(2) unstability unit unique design of the present utility model makes analog be more suitable for studying the dam bursting that dam abutment unstability causes
Problem；
(3) spring of the present utility model drastically shrinks to rise rapidly with weight B and is obstructed so that the hook formation of connector male joint holds
By great momentum, it is ensured that hook formation can occur drastically stretcher strain or fracture in moment, cave in for dam body moment and burst
Provide guarantee；
(4) dam body of the present utility model is made up of some baffle plate blocks, and dam break process is that dam body washes away with a loud crash, overcomes monoblock baffle plate
The limitation of hydraulic jump phenomenon is there is so that dam bursting flood motion more meets the characteristics of motion of nature dam-break water flow during pulling upwardly on,
Test effect is more accurate；
(5) after dam body unstability, all of iron wire is dragged to anti-runout to weight A of the present utility model by moment, iron hoop is dragged to
Retention device, it is to avoid after dam body unstability, iron hoop and iron wire are wound around baffle plate block and affect the motion of dam-break water flow, design ingenious.
Accompanying drawing explanation
Fig. 1 is the analog structural representation that under extreme loading condition, dam body moment unstability is burst；
Fig. 2 is the leakproof cellular construction schematic diagram in Fig. 1；
Fig. 3 is the fixed platform structural representation in Fig. 1；
Fig. 4 is the connecting-piece structure schematic diagram in Fig. 1 and Fig. 3 and connected mode schematic diagram；
Fig. 5 is the unstability cell schematics in Fig. 1；
Fig. 6 is the iron hoop in Fig. 1 and Fig. 3 and connection member schematic diagram thereof.
In figure: 1-leakproof unit, the anti-runout of 11-, 12-retention device, 2-fixed platform, 20-base, 21-support bar, 211-
Iron ring, 22-steel pipe, 23-iron hoop, 24-iron wire, 25-weight A, 26-connector, 261-female joint, 262-male joint, 263-
Steel wire rope, 27-weight B, 28-spring, 29-props up stay tube, 3-dam body, 31-baffle plate, 4-tank, 41-bottom land, 42-cell wall,
431-upstream tank, 432-downstream tank, 5-unstability unit, 51-resistance wire, 52-on and off switch, 53-thermal insulation box, 54-copper
Silk.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
Embodiment:
As shown in figs 1 to 6, the analog that under extreme loading condition of the present utility model, dam body moment unstability is burst, including preventing
Leakage unit 1, fixed platform 2, dam body 3, tank 4 and unstability unit 5.
As depicted in figs. 1 and 2, leakproof unit 1 is made up of anti-runout 11 and retention device 12.Anti-runout 11 top dead center position
Being provided with circular hole, the side upper end-face edge of anti-runout 11 connects as one with bottom land 41, and ground is fixed in anti-runout 11 lower end；Stagnant
Stay device 12 to be positioned in the circular hole on anti-runout 11 top, bottom retention device 12, be provided with multiple aperture.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 6, fixed platform 2 by base 20, support bar 21, iron ring 211, steel pipe 22,
Iron hoop 23, iron wire 24, weight A25, connector 26, steel wire rope 263, weight B27, spring 28 and a stay tube 29 are constituted.
Base 20 is fixed in support bar 21 lower end, and support bar 21 upper end is fixing with steel pipe 22 lower-left end to be connected；Iron ring 221 is fixed on
Support bar 21 side, iron ring 221 is centrally located at the underface of steel pipe 22 left end；Steel pipe 22 is across tank 4, and steel pipe 22 is just
The side of lower section is provided with 6 transverse joints being perpendicular to steel pipe 22 axis, and the downside of steel pipe 22 left end is fixed on support bar 21 upper end,
The downside of steel pipe 22 right-hand member is fixed on stay tube 29 upper end, and iron hoop 23 is nested in the transverse joint of steel pipe 22 side；Connector
26 are laid in steel pipe 23 inside through iron hoop 23, use steel wire rope between female joint 261 and the male joint 262 of same connector
263 connect, connected mode be steel wire rope 263 two ends bead is respectively embedded into female joint 261 round tube shape structure side circular hole and
The round tube shape structure side circular hole of male joint 262, fills in circle by steel wire rope 263 by the arcuate socket of round tube shape structure side simultaneously
Inside tubular structure；Be connected with male joint 262 by female joint 261 between two adjacent connectors 26, connected mode be by
The hook formation of male joint 262 hooks in the laminated structure aperture of female joint 261.Iron wire 24 one end is connected with iron hoop 23, separately
One end is connected with weight A25 after some aperture bottom retention device 12；Weight B27 is suspended from immediately below iron ring 211, weight
Hammer B27 is connected with the connector 26 of high order end by steel wire rope 263；Spring 28 is vertically laid in a stay tube 29, spring
28 upper ends are connected with the connector 26 of low order end by steel wire rope 263, and stay tube 29 lower end, bullet are fixed in spring 28 lower end
Scribbling lubricating oil between spring 28 and a stay tube 29, spring 28 is in the common effect of copper wire 54, steel wire rope 263 and a stay tube 29
Under be in maximum tension state；Prop up stay tube 29 side and be provided with semi-cylindrical hole；Prop up stay tube 29 lower end and be fixed on base 26, the end
Seat 26 is for xoncrete structure and is fixed on ground.
As it is shown in figure 1, dam body 3 is made up of six baffle plates 31, baffle plate 31 is spliced by 42 baffle plate blocks again.Adjacent
Baffle plate block between and baffle plate block and tank 4 between with sealing material seal, the back side side of baffle plate 32 relies on by iron hoop
On the 23 and weight A25 iron wires 24 jointly indexed, weight A25 jointly drew iron wire 24 before dam body unstability with iron hoop 23
All baffle plates 31 are made to keep resting state.
As it is shown in figure 1, tank 4 is divided into upstream tank 431 and downstream tank 432, tank 4 is by bottom land 41 and the cell wall of both sides
42 are constituted.Upstream tank 431 and downstream tank 432 are all connected with leakproof unit 1 and dam body 3, the bottom land of upstream tank 431
41 and bottom land 41 junction of downstream tank 432 be provided with the circular hole installing retention device 12.
As shown in Figure 1 and Figure 5, unstability unit 5 is made up of on and off switch 51, adiabatic box 52, resistance wire 53 and copper wire 54.
Unstability unit 5 is arranged in a semi-cylindrical hole, stay tube 29 side, and the outer layer of unstability unit 5 is adiabatic box 52；Resistance wire
53 are arranged vertically at adiabatic box 52 inside；On and off switch 51 is arranged on adiabatic box 52 outside and is connected by electric wire with resistance wire 53
Connect；Copper wire 54 is from top to bottom through adiabatic box 52, and the upper end of copper wire 54 is fixed on a top for stay tube 29, lower end is connected to
Spring 28 upper end.
In the present embodiment, after copper wire 54 is fused by resistance wire 53, spring 28 stress is unbalance, and moment shrinks drive weight B27 suddenly
Speed rises, and weight B27 stops suddenly rising after being stopped by iron ring 211, under moment very big Impulse, in steel pipe 22 certain
One or the male joint 262 hook formation generation stretcher strain of certain several connector 26 or fracture, cause dam body unstability.At dam body
Falling to tank 4 both sides along with connector 26 and steel wire rope 263 after unstability, all of iron wire 24 is dragged by weight A25 moment
Be pulled to anti-runout 11, iron hoop 23 is dragged to retention device 12, at baffle plate 31 self gravitation and upstream acting by external hydrostatic pressure lower baffle plate
31 is unbalance, and dam body 3 moment caves in, and baffle plate block is washed away.
The above is only preferred implementation of the present utility model, it should be pointed out that: for those skilled in the art
For, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection domain of the present utility model.
Claims (8)
1. the analog that under an extreme loading condition, dam body moment unstability is burst, it is characterized in that: include leakproof unit (1), fixed platform (2), dam body (3), tank (4) and unstability unit (5)
Described leakproof unit (1) is made up of anti-runout (11) and retention device (12), anti-runout (11) top dead center position is provided with circular hole, the side upper end-face edge of anti-runout (11) connects as one with bottom land (41), ground is fixed in anti-runout (11) lower end, described retention device (12) is positioned in the circular hole on anti-runout (11) top, and retention device (12) bottom is provided with multiple aperture；
nullDescribed fixed platform (2) is by base (20)、Support bar (21)、Iron ring (211)、Steel pipe (22)、Iron hoop (23)、Iron wire (24)、Weight A (25)、Connector (26)、Steel wire rope (263)、Weight B (27)、Spring (28) and a stay tube (29) are constituted，Base (20) is fixed in described support bar (21) lower end，Support bar (21) upper end is fixing with steel pipe (22) lower-left end to be connected，Described iron ring (211) is fixed on support bar (21) side，Iron ring (211) is centrally located at the underface of steel pipe (22) left end，Described steel pipe (22) is across tank (4)，Side immediately below steel pipe (22) is provided with several transverse joints，It is internal that described connector (26) is laid in steel pipe (22) through iron hoop (23)，The overall diameter of described iron hoop (23) is less than the overall diameter of steel pipe (22) more than the interior diameter of steel pipe (22)，Iron hoop (23) is nested in the transverse joint of steel pipe (22) side，Described iron wire (24) one end is connected with iron hoop (23)、The other end is connected with weight A (25) after some aperture of retention device (12) bottom，Described weight B (27) is suspended from immediately below iron ring (211)，Weight B (27) is connected with the connector (26) of high order end by steel wire rope (263)，Described spring (28) is vertically laid in a stay tube (29)，The external diameter of spring (28) is equal to the internal diameter of a stay tube (29)，Spring (28) upper end is connected with the connector (26) of low order end by steel wire rope (263)，Stay tube (29) lower end is fixed in spring (28) lower end，Described steel wire rope (263) two ends are provided with bead，The diameter of bead is more than the diameter of steel wire rope (263)，Described stay tube (29) side is provided with semi-cylindrical hole，Prop up stay tube (29) lower end and be fixed on base (20)，Described base (20) is xoncrete structure and is fixed on ground；
Described dam body (3) is made up of several baffle plates (31), baffle plate (31) is spliced by some baffle plate blocks again, sealing with sealing material between adjacent baffle plate block and between baffle plate block and described tank (4), the back side side of baffle plate (31) relies on the iron wire (24) by iron hoop (23) and weight A (25) index jointly；
Described tank (4) is divided into upstream tank (431) and downstream tank (432), described tank (4) is made up of the cell wall (42) of bottom land (41) and both sides, upstream tank (431) and downstream tank (432) are all connected with leakproof unit (1) and dam body (3), and the bottom land (41) of upstream tank (431) and bottom land (41) junction of downstream tank (432) are provided with the circular hole installing retention device (12)；
Described unstability unit (5) is by and off switch (51), adiabatic box (52), resistance wire (53) and copper wire (54) are constituted, unstability unit (5) is arranged in a semi-cylindrical hole, stay tube (29) side, the outer layer of unstability unit (5) is adiabatic box (52), it is internal that resistance wire (53) is arranged vertically at adiabatic box (52), on and off switch (51) is arranged on adiabatic box (52) outside and is connected by electric wire with resistance wire (53), copper wire (54) is from top to bottom through adiabatic box (52), the upper end of copper wire (54) is fixed on the top of a stay tube (29), spring (28) upper end that lower end is connected to.
The analog that under extreme loading condition the most according to claim 1, dam body moment unstability is burst, it is characterized in that: described connector (26) is by female joint (261), steel wire rope (263) and male joint (262) composition, steel wire rope (263) two ends are provided with bead, the diameter of bead is more than the diameter of steel wire rope (263), connect with steel wire rope (263) between female joint (261) and the male joint (262) of same connector, it is connected with male joint (262) by female joint (261) between two adjacent connectors (26).
The analog that under extreme loading condition the most according to claim 2, dam body moment unstability is burst, it is characterized in that: described female joint (261) one end is laminated structure, the other end is round tube shape structure, laminated structure is for carrying foraminate semicircle, the side of round tube shape structure has arcuate socket and circular hole, arcuate socket and circular hole all communicate with the inwall of round tube shape structure, arcuate socket is along the axially arranged of pipe and the end that is positioned at round tube shape structure, circular hole is positioned at the top of arcuate socket and intersects with arcuate socket, described male joint (262) one end is recessed hemisphere, the other end is round tube shape structure, recessed hemisphere centre of surface position is provided with hook formation, the round tube shape structure of male joint (262) is identical with the round tube shape structure of female joint (261), side also has arcuate socket and circular hole.
The analog that under extreme loading condition the most according to claim 2, dam body moment unstability is burst, it is characterized in that: connect with steel wire rope (263) between female joint (261) and the male joint (262) of described same connector, connected mode is that steel wire rope (263) two ends bead is respectively embedded into round tube shape structure side circular hole and the round tube shape structure side circular hole of male joint (262) of female joint (261), is filled in inside round tube shape structure by the arcuate socket of round tube shape structure side by steel wire rope (263) simultaneously；Being connected with male joint (262) by female joint (261) between the connector (26) that said two is adjacent, connected mode is in the laminated structure aperture that the hook formation of male joint (262) hooks female joint (261).
The analog that under extreme loading condition the most according to claim 1, dam body moment unstability is burst, it is characterized in that: the side immediately below described steel pipe (22) is provided with several transverse joints, the length of transverse joint is equal to the overall diameter of described iron hoop (23), the width of transverse joint is equal to the overall diameter of described iron hoop (23) and the difference of interior diameter, and transverse joint is perpendicular to pipe axis and is arranged in parallel.
The analog that under extreme loading condition the most according to claim 1, dam body moment unstability is burst, it is characterised in that: the instability condition of described unstability unit (5) makes resistance wire (53) heating fusing copper wire (54) realize by the switch (51) that switches on power.
The analog that under extreme loading condition the most according to claim 1, dam body moment unstability is burst, it is characterized in that: described spring (28) is arranged in described stay tube (29), the external diameter of spring (28) is identical with stay tube (29) internal diameter, scribbles lubricating oil between spring (28) and a stay tube (29)；Described spring (28) is in copper wire (54), it is in maximum tension state under the common effect of steel wire rope (263) and a stay tube (29), after copper wire (54) is fused by resistance wire (53), spring (28) stress unbalance moment shrinks and drives weight B (27) to rise rapidly, weight B (27) stops suddenly rising after being stopped by iron ring (211), under strong elastic wave percussion, male joint (262) the hook formation generation stretcher strain of some or certain several connectors (26) or fracture in steel pipe (22), cause dam body unstability.
The analog that under extreme loading condition the most according to claim 1, dam body moment unstability is burst, it is characterized in that: described weight A (25) was jointly drawn iron wire (24) before dam body unstability and made all baffle plates (31) keep resting state with described iron hoop (23), after dam body unstability, all of iron wire (24) is dragged to anti-runout (11) by weight A (25) moment, iron hoop (23) is dragged to retention device (12), unbalance at baffle plate (31) self gravitation and upstream acting by external hydrostatic pressure lower baffle plate (31), dam body (3) moment caves in, baffle plate block is washed away.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241617.7U CN205530106U (en) | 2016-03-23 | 2016-03-23 | Dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241617.7U CN205530106U (en) | 2016-03-23 | 2016-03-23 | Dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition |
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|---|---|
| CN205530106U true CN205530106U (en) | 2016-08-31 |
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| CN201620241617.7U Withdrawn - After Issue CN205530106U (en) | 2016-03-23 | 2016-03-23 | Dam body analogue means that bursts of unstability in twinkling of an eye under extreme loading condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672192A (en) * | 2016-03-23 | 2016-06-15 | 安徽理工大学 | Simulation device of instant unstable burst of dam under extreme load condition and operation method |
| CN110553939A (en) * | 2019-08-07 | 2019-12-10 | 同济大学 | Indoor test platform for simulating marine multiphase load coupling effect |
-
2016
- 2016-03-23 CN CN201620241617.7U patent/CN205530106U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672192A (en) * | 2016-03-23 | 2016-06-15 | 安徽理工大学 | Simulation device of instant unstable burst of dam under extreme load condition and operation method |
| CN105672192B (en) * | 2016-03-23 | 2017-05-31 | 安徽理工大学 | Dam body moment unstability is burst under extreme loading condition analogue means and operation method |
| CN110553939A (en) * | 2019-08-07 | 2019-12-10 | 同济大学 | Indoor test platform for simulating marine multiphase load coupling effect |
| CN110553939B (en) * | 2019-08-07 | 2021-06-08 | 同济大学 | Indoor test platform for simulating marine multiphase load coupling effect |
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Granted publication date: 20160831 Effective date of abandoning: 20170531 |