CN209326956U - A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it - Google Patents
A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it Download PDFInfo
- Publication number
- CN209326956U CN209326956U CN201920071632.5U CN201920071632U CN209326956U CN 209326956 U CN209326956 U CN 209326956U CN 201920071632 U CN201920071632 U CN 201920071632U CN 209326956 U CN209326956 U CN 209326956U
- Authority
- CN
- China
- Prior art keywords
- protection door
- pressure
- wind pressure
- decay test
- tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 160
- 238000003825 pressing Methods 0.000 claims abstract description 84
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims description 44
- 230000000694 effects Effects 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 description 14
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000087 stabilizing effect Effects 0.000 description 7
- 229920003266 Leaf® Polymers 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000002929 anti-fatigue Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of pressure decay test platform of tunnel protection door and include its pressure decay test device, belong to tunnel protection door detection technique field, pass through setting fixing piece and pressing piece, so that protection door component can be pressed on a side end face of fixing piece by pressing piece, realize the fixation clamping of protection door component, and the internal cavities and square groove of accessible wind pressure operating condition are respectively arranged on fixing piece and pressing piece, so that corresponding wind pressure operating condition can be formed in square groove, the pressure decay test of protection door component is completed.The pressure decay test platform of the utility model and pressure decay test device comprising it, its structure is simple, control is easy, state when tunnel protection door is acted in tunnel by Piston Action Wind can be effectively simulated, testing program is alternative strong, and test result accuracy is high, it can be designed for the structure of tunnel protection door and provide foundation with Matching installation, the safety and reliability of tunnel protection door application is promoted, the application cost of tunnel protection door is reduced, there is fabulous application and popularization value.
Description
Technical field
The utility model belongs to tunnel protection door detection technique field, and in particular to a kind of pressure decay test of tunnel protection door
Platform and pressure decay test device comprising it.
Background technique
In recent years, railway construction in China high speed development constantly shortens " time gap " between each region.With railway
The raising of running speed requires also to increase accordingly to the construction criteria of infrastructure, and weight of the railway tunnel as railway capital construction
Component part is wanted, plays highly important effect during rail track passes through natural elevation obstacle or impediment in plane.
According to railway tunnel application environment and the difference of demand, setting form is also had nothing in common with each other, as one-tunnel one-track tunnel,
Double hole single-track tunnels, one-tunnel two-tracks tunnel etc..In railway tunnel, when train operation passes through, due to train sectional area and tunnel
Road sectional area it is bigger, and length of tunnel is longer, and train running speed is very fast, thus train can generate larger side in tunnel
To " piston effect " of wind pressure.And in railway tunnel, it is usually provided with the cavern of place apparatus, transverse passage-way (is connected to double holes tunnel
Road), emergency evacuation channel etc., and tunnel protection door is often provided in above-mentioned channel or cavern, to play fire prevention, antiknock, anti-
Only equipment damage and the effects of safe support personnel.In the application process of tunnel protection door, generally requires to undertake and resist column
Generated periodicity piston wind action, especially corresponds to tunnel set by service channel in vehicle operational process on double-hole tunnel
Road protective door often subjects the positive and negative Action of Wind pressure from protective door two sides, and application environment is harsher, once tunnel is anti-
Shield door fails or destroys because of Piston Action Wind effect, will certainly adversely affect to the operational safety of railway tunnel, shorten tunnel
The service life of relevant device in road, causes unnecessary loss.
According to Central South University, in 2011, with project of national nature science fund project (51008310), " Railway Tunnel was inscribed
The gas-solid coupled vibrations mechanism of net-fault system and charming appearance and behaviour Fatigue Test Research " and railway parent company exploration project " high-speed rail railway air
Kinetic effect is to research of the tunnel affiliated facility in relation to technical standard " in research contents, calculated by numerical value, can be to train
When running in tunnel, pressure change, train parting VELOCITY DISTRIBUTION in tunnel are proved.Result of study show for
The one-tunnel two-tracks tunnel of 350km/h, the positive and negative Piston Action Wind wind pressure in tunnel can convert between+10kPa to -10kPa.
In the prior art, to fully ensure that the safe operation of railway tunnel and the service life of tunnel protection door, often
Need to optimize the fixed form and structural behaviour of tunnel protection door, and to the tunnel protection door after optimization design into
Row structural clays, to ensure that the structural behaviour of tunnel protection door can sufficiently meet the application in tunnel.In tunnel protection
In the structural clays of door, pressure decay test is the important tests that tunnel protection door needs to carry out, and test result is often
It can reflect application state and life cycle of the tunnel protection door under Piston Action Wind effect, to the structure and arrangement of tunnel protection door
Design has fabulous directive significance；Currently, for the pressure decay test of tunnel protection door on-the-spot test can only be relied on substantially, no
There is only some potential safety problemss, and its test sample amount is smaller, test condition is more single, is difficult test result analogy
Using there are biggish limitations, constrain the security application of tunnel protection door.
Utility model content
One or more of aiming at the above defects or improvement requirements of the prior art, the utility model provides one kind
The pressure decay test platform of tunnel protection door and pressure decay test device comprising it, wherein effectively realizing tunnel by pressure decay test platform
The stabilizing grip of protective door, and it has been completed rapidly and accurately by pressure decay test device the pressure decay test of tunnel protection door.
To achieve the above object, the one aspect of the utility model provides a kind of pressure decay test platform of tunnel protection door, uses
In clamping protection door component to be tested, including horizontally disposed bottom plate, which is characterized in that further include vertically being fixed on the bottom
Fixing piece on plate and the pressing piece being oppositely arranged with the fixing piece；Wherein,
The fixing piece is with certain thickness plate structure, and inside has closed first cavity, and face institute
It states and offers the first square groove on the end face of pressing piece, first cavity and first square groove are separated with first partition, and
The first wind pressure hole equipped with multiple connection first square grooves and first cavity is spaced apart in the first partition, and in institute
State the first gas source interface for being provided in the outside wall surface of fixing piece and being connected to first cavity；
The pressing piece is with certain thickness plate structure, and inside has closed second cavity, and face institute
It states and offers the second square groove on the end face of fixing piece, second cavity is separated with second square groove with second partition, and
The second wind pressure hole equipped with multiple connection second square grooves and second cavity is spaced apart on the second partition, and in institute
State the second gas source interface for being provided in the outside wall surface of pressing piece and being connected to second cavity；
Pressing piece activity setting on the bottom plate, the relatively described fixing piece horizontal movement and can be locked in correspondence
Position, the protection door component can be vertically provided between the fixing piece and the pressing piece, and with the two side ends of its partition wall
Face abuts the end face of the fixing piece and the pressing piece respectively, and first square groove and second square groove are closed, and
Realize the fixation of the protection door component to pressure decay test.
The protection door component includes partition wall and door body as a further improvement of the utility model, and the partition wall is in ring
Shape plate structure, middle part, which offers, can correspond to the square through hole for installing the door body, and the door body can correspond to and be mounted on the party
In shape through-hole and close locking.
The test installation that the partition wall is provided with elongated structure is corresponded to as a further improvement of the utility model,
Part, the bottom of the partition wall can correspond to the top for being fixed on the test installation part, and the bottom of the test installation part is along axial direction
Sliding slot is offered, and is correspondingly arranged on slide rail on the plate top surface of the fixing piece side, then the cunning
Slot can with the slide rail Corresponding matching, with realize it is described protection door component quick-clamping.
The pressing piece can be removed from the bottom plate as a further improvement of the utility model, and bottom is along width
Direction is provided with pressing sliding slot, and correspondence is provided with pressing guide rail on the bottom plate, and the pressing sliding slot can be with the pressing
Guide rail, and realize moving horizontally for the pressing piece.
Multiple first wind pressure holes are in matrix cloth in the first partition as a further improvement of the utility model,
It sets and/or multiple second wind pressure holes is in matrix arrangements on the second partition.
The fixing piece can circumferentially be set on the end face to the just described pressing piece as a further improvement of the utility model,
Second seal can be circumferentially provided on the end face to the just described fixing piece by being equipped with first seal and/or the pressing piece.
The bottom plate includes test bottom plate and mounting base, the test bottom as a further improvement of the utility model,
Plate is set to the side of the test bottom plate for carrying the fixing piece and the pressing piece, the mounting base, and described
The both ends of slide rail are separately positioned on the mounting base and the test plate top surface, to install the protection for corresponding
Door component.
The other side of the utility model provides a kind of pressure decay test device, and it includes the wind of the tunnel protection door
Press testing stand, which is characterized in that
The pressure decay test device further includes the first wind pressure control assembly and the second wind pressure control assembly；Wherein,
The first wind pressure control assembly includes that can produce the first wind pressure controller of positive wine pressure operating condition and with pipeline connection
First air accumulator of the first wind pressure controller；
The second wind pressure control assembly includes that can produce the second wind pressure controller of negative wind pressure operating condition and with pipeline connection
Second air accumulator of the second wind pressure controller；And
Correspondence is provided with three-position four-way electromagnetic directional valve between two air accumulators and pressure decay test platform, the 3-position 4-way electromagnetism
There are two air inlet and two gas outlets for reversal valve tool, and two air inlets are respectively with the first air accumulator described in pipeline connection and institute
The second air accumulator is stated, two gas outlets are respectively with the first gas source interface described in the first pipeline and the second pipeline connection and described
Two gas source interfaces can then be corresponded to by the adjusting of the three-position four-way electromagnetic directional valve and realize protection door component two sides wind
The adjusting of operating condition is pressed, realizes the pressure decay test of the protection door component.
Control is respectively arranged on first pipeline and second pipeline as a further improvement of the utility model,
Pressure valve realizes the adjusting of wind pressure size in the protection door component two sides square groove with the control by the control pressure valve.
The first control valve and/or described are provided on first pipeline as a further improvement of the utility model,
The second control valve is provided on two pipelines, by the control of two control valves, it can be achieved that corresponding to the connection or disconnection of pipeline.
Above-mentioned improved technology feature can be combined with each other as long as they do not conflict with each other.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
(1) the pressure decay test platform of the tunnel protection door of the utility model, by setting can Corresponding matching fixing piece and
Pressing piece, so that protection door component can be correspondingly arranged between fixing piece and pressing piece, and corresponding by protective door group with pressing piece
Part is pressed on a side end face of fixing piece, realizes the fixation clamping of protection door component, and right respectively on fixing piece and pressing piece
It should protect the both sides of the face of door component that internal cavities and square groove are set, so that corresponding wind pressure operating condition can be formed in square groove, then
The pressure decay test for completing protection door component effectively realizes the stabilization clamping of protection door component, reduces the examination introduced by clamping
Error is tested, ensure that the accuracy of protection door component pressure decay test, the efficiency of loading of protection door component is improved, reduces wind pressure
The cost of test；
(2) the pressure decay test platform of the tunnel protection door of the utility model, by the way that fixing piece to be fixedly installed, pressing piece is living
Dynamic setting, and the structures such as corresponding protection door component setting test installation part, slide rail, and it is correspondingly arranged pressing guide rail, have
Effect simplifies the clamping process of protection door component, improves the efficiency and convenience of protective door clamping, shortens protection door component
The period of pressure decay test reduces the cost of pressure decay test；
(3) the pressure decay test platform of the tunnel protection door of the utility model, by the end face of fixing piece and pressing piece
Square groove is opened up, and is correspondingly arranged closed internal cavities, and is correspondingly arranged multiple wind pressure holes and is connected to internal cavities with square groove,
Internal cavities setting effectively realize protection door component pressure decay test during pressure maintaining, pressure stabilizing, and the setting of square groove so that
Protect door component door body can uniform stressed, reduce test during error, the accuracy of lifting test；
(4) the pressure decay test device of the tunnel protection door of the utility model, by being correspondingly arranged the first wind pressure control group
Part and the second wind pressure control assembly effectively realize the generation of positive and negative wind pressure operating condition during protection door component pressure decay test, and
By being correspondingly arranged three-position four-way electromagnetic directional valve by the corresponding connection of fixing piece, pressing piece and two wind pressure control assemblies, effectively in fact
Showed fixing piece, in pressing piece wind pressure operating condition generation and switching, so that accurate simulation tunnel protection door is in tunnel by list
The operating conditions such as side piston wind, bilateral Piston Action Wind, increase the alternative of protective door assembly test scheme, can be for protection door component
A variety of testing programs are selected to be tested, the accuracy and reliability of further hoisting wind pressure test；
(5) fixing piece and pressing piece are respectively corresponded comprising the pressure decay test device of pressure decay test platform in the utility model
Setting control pressure valve further ensures that pressure decay test so that the wind pressure operating condition of protection door component two sides can be realized and be accurately controlled
Accuracy, reduce test during test error；
(6) the pressure decay test platform of tunnel protection door and the pressure decay test device comprising it in the utility model, structure letter
Single, control is easy, can effectively simulate the various application states under tunnel protection door is acted in tunnel by Piston Action Wind, testing program
Alternative it is strong, the accuracy of test result is high, can provide foundation for the design of the structure of tunnel protection door and Matching installation, mention
The safety and reliability of tunnel protection door application is risen, the application cost of tunnel protection door is reduced, there is fabulous application
Value.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram of the pressure decay test platform of tunnel protection door in the utility model embodiment；
Fig. 2 is the pressing piece structural schematic diagram of the pressure decay test platform of tunnel protection door in the utility model embodiment；
Fig. 3 is that the matching of the test installation part of wind pressure testing stand and protection door component in the utility model embodiment is illustrated
Figure；
Fig. 4 is the air circuit connection schematic diagram comprising the pressure decay test device of wind pressure testing stand in the utility model embodiment；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. fixing pieces, 101. the
One wind pressure hole, 102. first seals, 103. first gas source interfaces；2. pressing piece, 201. second wind pressure holes, 202. second sealings
Part, 203. second gas source interfaces, 204. pressing sliding slots；3. bottom plate, 301. test bottom plates, 302. mounting bases, 303. pressings are led
Rail, 304. slide rails；4. testing installation part, 401. sliding slots, 402. partition wall installation parts；5. door component is protected, 501. door body,
502. partition wall；6. the first wind pressure control assembly, 601. first wind pressure controllers, 602. first air accumulators, 603. first control valves；
7. the second wind pressure control assembly, 701. second wind pressure controllers, 702. second air accumulators, 703. second control valves；8. three four
Electric change valve, 9. control pressure valve.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
The pressure decay test platform of tunnel protection door is as illustrated in figures 1-3 in the preferred embodiment in the utility model, wherein wind pressure
Testing stand includes the fixing piece 1 and pressing piece 2 being vertically oppositely arranged；Wherein, the fixing piece 1 and pressing piece 2 in preferred embodiment
The respectively plate body structure with certain thickness and inner hollow, the inside of two plate bodys all have closed internal cavities, and solid
Determine to respectively correspond the square groove that its internal cavities offers certain depth, i.e. first party on two opposite end faces of part 1 and pressing piece 2
Slot and the second square groove, and separated respectively with partition between two square grooves and internal cavities；Further, the internal cavities of fixing piece 1
And first have first partition between square groove, has second partition between the internal cavities of pressing piece 2 and the second square groove.
Further, it is preferable to which the fixing piece 1 in embodiment is vertically fixed on bottom plate 3, bottom plate 3 can be corresponded to and is fixed on
On bottom surface, to be supported to fixing piece 1, and 2 activity setting of pressing piece, it can correspond to and be matched with fixing piece 1, and form tunnel
The testing stand of protective door pressure decay test；Further, it is preferable to which the bottom plate in embodiment is as shown in fig. 1 comprising for fixing
Mounting base 302 with the test bottom plate 301 of support fixing piece 1 and for installing protection door component 5 to be tested, wherein installation
Bottom plate 302 is fixed at the side of test bottom plate 301, for installing protection door component 5 to be tested, and in preferred embodiment
Test bottom plate 301 and mounting base 302 on be correspondingly arranged on slide rail 304, for protecting the Corresponding matching of door component 5 to pacify
Dress, then fixing piece 1 and pressing piece 2 are correspondingly arranged at the two sides of slide rail 304, and are parallel to slide rail 304 with end face
Axis.
Further, the fixation of fixing piece 1 is vertically provided on the test bottom plate 301 of 304 side of slide rail, pressing piece 2
Activity is vertically provided on the test bottom plate 301 of 304 other side of slide rail, and pressing piece 2 can be along perpendicular to slide rail 304
The direction horizontal movement of axis, close to fixing piece 1 or far from fixing piece 2；It is further preferred that pressing in preferred embodiment
Casting die 2 is arranged independently of test bottom plate 301, can remove from test bottom plate 301, and preferably corresponding on test bottom plate 301
Pressing piece 2 be provided with pressing guide rail 303, axis perpendicular to slide rail 304 axis, correspondingly, in the bottom of pressing piece 2
It is correspondingly arranged on pressing sliding slot 204, as shown in Figure 2, can correspond to and press guide rail 303 and match, and realize the water of pressing piece 2
Translation is dynamic, to realize the Corresponding matching of pressing piece 2 Yu fixing piece 1.
Further, it is preferable to which protection door component 5 in embodiment is as shown in Figure 1 and Figure 3 comprising door body 501 and every
Wall 502, wherein plate structure, middle part offer the through-hole through two plate faces to the partition wall 502 in preferred embodiment in a ring,
With the installation for tunnel protection door, then door body 501 passes through the corresponding inside casing wall for being movably arranged on partition wall 502 of several installation parts
On face；It is further preferred that the door body 501 in preferred embodiment includes two door leafs being oppositely arranged, i.e. first door leaf and second
Door leaf, two door leafs are movably arranged on respectively on two opposite inside casing wall surfaces of partition wall 502, and two door leafs can correspond to after being installed in place
It opens, close and locks, 501 end face of door body after locking flushes in the plate face of partition wall 502.
Further, corresponding protection door component 5 is provided with test installation part 4, and the test installation part 4 in preferred embodiment is in
Elongated rod shape structure, protection door component 5, which can correspond to, is vertically arranged to its top, i.e., the bottom of partition wall 502, which can correspond to, is fixed on test
The top of installation part 4 is correspondingly provided with the partition wall installation for 502 bottom of stationary partition at the top of test installation part 4
Part 402, by the corresponding top for being fixed on test installation part 4 of partition wall 502；Further, the corresponding cunning in bottom of installation part 4 is tested
Dynamic guide rail 304 is provided with sliding slot 401, so that test installation part 4 can be by 401 Corresponding matching slide rail 304 of sliding slot, and then
Drive protection door component 5 along the axial-movement of slide rail 304, to move to the position between fixing piece 1 and pressing piece 2.
Further, it is preferable to protect in embodiment, the size of door component 5 corresponds to fixing piece 1 and the size of pressing piece 2 is arranged,
And fixing piece 1 and pressing piece 2 are preferably of the same size；Further, after protection door component 5 is mobile in place, two side ends
The first square groove of face and the second square groove are distinguished in face, and a side end face of partition wall 502 preferably abuts the end face of fixing piece 1, and by the
The closing of one square groove is then moved on pressing guide rail 304 by pressing piece 2, may make pressing piece 2 close to protection door component 5
Another side end face, and pressing piece 2 is finally made to abut the side end face that partition wall 502 deviates from fixing piece 1, it will be on pressing piece 2
The sealing of second square groove.
Further, it is preferable to which position can correspond to locking, the side of locking after the pressing piece 2 in embodiment moves in place
Formula can be realized by the way that the locking piece that can be mutually matched is respectively set on the side of fixing piece 1 and pressing piece 2, can also be corresponded to
Locking piece is set to realize on test bottom plate 301, to guarantee to protect door component 5 that can correspond to clamping in fixing piece 1 and pressing piece 2
Between.It is further preferred that being circumferentially provided with first seal 102 on the end face of corresponding first square groove of fixing piece 1, accordingly
Ground is circumferentially provided with second seal 202 on the end face of corresponding second square groove of pressing piece 2, and two sealing elements for being can correspond to
The both sides of the face of partition wall 502 are abutted, realize the corresponding sealing of two square grooves.
Further, it is preferable in embodiment in the first partition of fixing piece 1 be spaced apart be equipped with multiple connection internal cavities with
The through-hole of first square groove, i.e. the first wind pressure hole 101, and be spaced apart on the second partition of pressing piece 2 and be equipped with multiple connection second party
The through-hole of slot, i.e. the second wind pressure hole 201, then the first wind pressure hole 101 and the second wind pressure hole 201 are respectively to the two of positive door body 501
Side end face；It is further preferred that multiple first wind pressure hole 101 and/or multiple second wind pressure hole 201 are in square on corresponding partition
Battle array arrangement, as shown in Figures 1 and 2, each position uniform force of door body to guarantee tunnel protection door.
Further, its internal cavities is corresponded on fixing piece 1 and offers the first gas source interface 103, is corresponded in connection
Portion's cavity is correspondingly being pressed for connecting gas path pipe and forming corresponding wind pressure operating condition in the internal cavities of fixing piece 1
Its internal cavities is corresponded on casting die 2 and also offers the second gas source interface 203, so that it is connected to internal cavities, in pressing piece 2
Corresponding wind pressure operating condition is formed in portion's cavity；It is further preferred that the first gas source interface 103 and the second gas in preferred embodiment
Fixing piece 1 is arranged on the end face of the first square groove for source interface 203 and pressing piece 2 is on the end face of the second square groove, then
After the completion of protecting door component 5 to clamp between fixing piece 1 and pressing piece 2, can correspond to formed in the two sides of door body 501 it is corresponding
Wind pressure operating condition completes the pressure decay test of tunnel protection door.
Further, corresponding in preferred embodiment to fix to complete pressure decay test platform to the pressure decay test of protection door component 5
Part 1 is provided with the first wind pressure control assembly 6 comprising the first wind pressure controller 601 and the first air accumulator 602, the first wind pressure control
Device 601 processed by the first air accumulator of pipeline connection 602, and can be formed in the first air accumulator 602 stable positive wine pressure operating condition or
The negative wind pressure operating condition of person；Further, the first air accumulator 602 is correspondingly connected on fixing piece 1 by the first pipeline, i.e. the first pipeline
One end be correspondingly connected on the first gas source interface 103, the other end the first air accumulator 602 of corresponding connection；Preferably, in the first pipe
Road is correspondingly arranged on the first control valve 603, can correspond to the on-off of the first pipeline of control, be preferably electromagnetic switch valve.
Further, it is preferable to which corresponding to pressing piece 2 in embodiment is provided with the second wind pressure control assembly 7 comprising the second wind
Pressure controller 701 and the second air accumulator 702, the second wind pressure controller 701, and can be by the second air accumulator of pipeline connection 702
Stable positive wine pressure operating condition or negative wind pressure operating condition are formed in second air accumulator 702；Further, the second air accumulator 702 passes through
Second pipeline is correspondingly connected on pressing piece 2, i.e. one end of the second pipeline is correspondingly connected on the second gas source interface 203, and its
The other end the second air accumulator 702 of corresponding connection；Preferably, the second control valve 703 is correspondingly arranged on the second pipeline, it can be right
The on-off of the second pipeline should be controlled, and can be more preferably electromagnetic switch valve.
It further, is the switching control for realizing 501 two sides wind pressure operating condition of door body in pressure decay test platform, corresponding first pipe
Road, the second pipeline and two air accumulators are provided with three-position four-way electromagnetic directional valve 8 comprising two air inlets and two outlets
Mouthful, two air inlets are respectively communicated with the first air accumulator 602 and the second air accumulator 702, and two gas outlets are respectively communicated with the first pipeline
With the second pipeline, then passes through and adjust three-position four-way electromagnetic directional valve 8, it can be achieved that the first air accumulator 602 and the second air accumulator 702
It is connected to corresponding air accumulator, i.e., the first air accumulator 602 can be respectively acting on the first pipeline and the second pipeline, the second air accumulator
702 can also be respectively acting on the first pipeline and the second pipeline, realize that the corresponding of wind pressure operating condition is adjusted.
Due to the addition of three-position four-way electromagnetic directional valve 8, it can effectively simplify the first wind pressure controller 601 and the second wind pressure control
The setting of device 701 processed, before not set three-position four-way electromagnetic directional valve 8, in order to which guarantee can in the first wind pressure control assembly 6
It realizes positive wine pressure operating condition, and is able to achieve negative wind pressure operating condition, then the first wind pressure controller 601 then must include at least one vacuum pump
With at least one air compressor, correspondingly, the case where the second wind pressure controller 701, is also similar, and 3-position 4-way electricity is being added
After magnetic reversal valve 8, it can correspond to and set vacuum pump for the first wind pressure controller 601, the second wind pressure controller 701 is set as empty
Air compressor forms negative pressure operating condition in the first air accumulator 602 respectively, positive pressure operating condition is formed in the second air accumulator 702, after
And pass through the adjusting of three-position four-way electromagnetic directional valve 8, it realizes the adjusting of protection 5 two sides wind pressure operating condition of door component, is effectively simplified
The control process of pressure decay test improves the precision of control, shortens the period of test.
It is provided with control pressure valve 9 it is further preferred that respectively corresponding on the first pipeline and the second pipeline, with realization pair
The control and adjusting of wind pressure size in fixing piece 1 and pressing piece 2.Pass through above-mentioned first wind pressure control assembly 6 and the second wind pressure control
The Corresponding matching with fixing piece 1 and pressing piece 2, analog protect 5 both sides of the face of door component respectively by positive and negative wind to component 7 processed respectively
Stress when pressure acts on, to effectively simulate in double-hole tunnel, the tunnel protection door being arranged between two tunnels is by unilateral, bilateral
Stress when Piston Action Wind acts on.
In conclusion the pressure decay test platform of tunnel protection door can be with the first wind pressure control assembly 6 and in preferred embodiment
Two wind pressure control assemblies 7 form the pressure decay test device of tunnel protection door, and air circuit connection schematic diagram is as shown in Figure 4, wherein
First wind pressure control assembly 6 can form positive wine pressure operating condition, negative wind pressure operating condition or normal pressure operating condition (the in protection 5 side of door component
One wind pressure controller 601 does not work or the first control valve 603 is closed)；Second wind pressure control assembly 7 can be in protection door component 5
The other side form positive wine pressure operating condition, (the second wind pressure controller 701 does not work or for negative wind pressure operating condition or normal pressure operating condition
Two control valves 703 are closed)；Therefore, the pressure decay test that 3 × 3 groups of testing schemes can be carried out for protection door component 5, is sufficiently simulated
The various stress situations that protection door component 5 is born when applying in tunnel, the accuracy of hoisting wind pressure test, sufficiently simulation tunnel
Force environment when road protective door is applied in single hole tunnel, double-hole tunnel.
It is further preferred that wind pressure controller, three-position four-way electromagnetic directional valve 8, control pressure in corresponding preferred embodiment
Power valve 9, the first control valve 603 and the second control valve 703 are provided with control system, respectively with corresponding valve body and equipment with circuit
Connection then can control corresponding valve body and equipment by control system as shown in phantom in figure 4, control wind pressure operating condition
It generates, adjusts the on-off of each valve body, monitor the state of each valve body, realize the whole control of pressure decay test device air-channel system.
It further, can be right when carrying out pressure decay test using the pressure decay test device in the preferred embodiment in the utility model
Should carry out protection door component 5 deformation test and antifatigue test, wherein deformation test exists mainly for detection of tunnel protection door
Pressure difference is gradually incrementally up under the Action of Wind pressure of certain numerical value, opposite face normal deflection value (value of angular displacement)；Antifatigue detection
Mainly for detection of tunnel protection door in the case where certain pressure difference replaces positive and negative percussion, the energy of damage and dysfunction is resisted
Power.Meanwhile pressure decay test device can also carry out single pass test and bidirectional experimental, wherein single pass test is referred to tunnel protection
It is always positive pressure or negative pressure in the pressure process of door, there is no the switchings of positive and negative wind pressure operating condition, and the course of work is substantially are as follows: pre-
Standby pressurization+(detection pressurization+pressure stabilizing) (circulation)+terminates；And bidirectional experimental refers to involved in the pressure process of tunnel protection door
The alternating of positive and negative wind pressure switches, and the course of work is substantially are as follows: and preparation pressurization+(detection positive pressurization+pressure stabilizing+detection reversely pressurizes+
Pressure stabilizing) (circulation)+terminate.
Specifically, pressure decay test device can be tested by following process:
Firstly, the door body 501 of door component 5 will be protected corresponding according to its practical mounting means firm installation in partition wall 502,
Guarantee that tilting or deforming do not occur in door body 501, and ensure door body 501 can normally-open and locking, and ensure that partition wall 502 is fixed
When in pressure decay test platform, door body 501 is in locking states；Partition wall 502 is fixed on test installation part 4, and is passed through
Slide rail 304 is moved to 1 side of fixing piece, then by 2 Corresponding matching of pressing piece, completes the clamping of protection door component 1.
Secondly, check corresponding pipeline whether operation irregularity, determine the first wind pressure control assembly 6, the second wind pressure control assembly 7
Whether normal operating conditions is in；If normal, next step operation can be carried out, then correspondence takes regulation measure if abnormal,；Into one
Step ground carries out prepared pressurization to the pressure decay test device being ready to complete, controls the first wind pressure controller 601 and the control of the second wind pressure
Device 701 works respectively, completes the generation of air pressure operating condition in corresponding air accumulator, makes in two air accumulators in defined pressure environment
Under.
Again, corresponding control valve is adjusted by control system, realizes the adjusting of protection 5 two sides air pressure of door component；Finally,
Whether the air pressure detected in pressure decay test platform in gas circuit space is normal, and needs to carry out the mistake of pressure stabilizing or pressure maintaining according to test
Journey, then by the corresponding control of three-position four-way electromagnetic directional valve 8 and two control pressure valve 9, it can be achieved that acting on protective door group
The adjusting and pressure stabilizing of air pressure operating condition on part 5.
Circulation proceeds as described above, and completes the pressure decay test of protection door component 5.
Tunnel protection tradition of a family pressure is carried out using the pressure decay test device of tunnel protection door in the preferred embodiment in the utility model
When test, according to the regulation in (TB 10020-2017) " railway tunnel take precautions against natural calamities Evacuation engineering design code ", tunnel is defined
The test space sectional dimension of protective door is 3000mm × 2000mm, and test space is with a thickness of 10mm, i.e. single side test space
Volume is 0.06m3, and 1 year inner piston wind action number of delimiting period is 200,000 times.Moreover, in 350km/h one-tunnel two-tracks
In tunnel, the wind pressure in tunnel is between+10kPa to -10kPa.Further, tunnel in the preferred embodiment in the utility model is utilized
When the pressure decay test device of protective door carries out pressure decay test, adds and test the primary period as 2s, can be completed 200,000 times within about 5 days
Test is greatly reduced the period of tunnel protection door test, improves the efficiency of tunnel protection door pressure decay test, reduce wind pressure
The cost of test.
The pressure decay test platform of tunnel protection door and the pressure decay test device comprising it in the utility model are set by correspondence
Set can Corresponding matching fixing piece 1 and pressing piece 2, the quick fixation of protection door component 5 is effectively realized, and respectively in protective door
Closed internal cavities are arranged in the two sides of component 5, and wind then is arranged by respectively corresponding the internal cavities of protection 5 two sides of door component
Control assembly is pressed, by the air pressure environment in the corresponding control respective inner cavity of wind pressure control assembly, to effectively simulate protective door
Various stresses when component 5 is applied in tunnel complete the pressure decay test of tunnel protection door.Wind pressure in the utility model
Testing stand, structure is simple, and control is easy, can quickly and stably realize the fixation of protection door component, and the loading of tunnel protection door is steady
Qualitative height, it is highly reliable, and the wind pressure environmental Kuznets Curves of 5 two sides of protection door component during pressure decay test are simple, controllability is strong,
Various Action of Wind pressure environment can be sufficiently simulated, it, can be into along with the setting of three-position four-way electromagnetic directional valve 8 and control pressure valve 9
One step simplifies the pipeline control of pressure decay test device, guarantees the accuracy of pressure decay test, reduces the error during test, is tunnel
The structure design of road protective door provides accurate foundation with Matching installation, reduces the mistake of tunnel protection door in application process
It imitates or falls off, ensure that the safety and stability of railway tunnel operation, avoid unnecessary economic loss, have fabulous
Application and popularization value.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pressure decay test platform of tunnel protection door, the protection door component to be tested for clamping, including horizontally disposed bottom
Plate, which is characterized in that further include the fixing piece being vertically fixed on the bottom plate and the pressing that is oppositely arranged with the fixing piece
Part；Wherein,
The fixing piece is with certain thickness plate structure, and inside has closed first cavity, and presses described in face
Offer the first square groove on the end face of casting die, first cavity and first square groove are separated and described with first partition
The first wind pressure hole equipped with multiple connection first square grooves and first cavity is spaced apart in first partition, and described solid
Determine to be provided with the first gas source interface for being connected to first cavity in the outside wall surface of part；
The pressing piece is with certain thickness plate structure, and inside has closed second cavity, and consolidates described in face
Determine to offer the second square groove on the end face of part, second cavity is separated with second square groove with second partition and described
It is spaced apart the second wind pressure hole equipped with multiple connection second square grooves and second cavity on second partition, and is pressed described
The second gas source interface for being connected to second cavity is provided in the outside wall surface of casting die；
Pressing piece activity setting on the bottom plate, the relatively described fixing piece horizontal movement and can be locked in corresponding position
It sets, the protection door component can be vertically provided between the fixing piece and the pressing piece, and with the both sides of the face of its partition wall
First square groove and second square groove are closed in the end face for abutting the fixing piece and the pressing piece respectively, and real
The now fixation to the protection door component of pressure decay test.
2. the pressure decay test platform of tunnel protection door according to claim 1, wherein the protection door component include partition wall and
Door body, partition wall plate structure in a ring, middle part, which offers, can correspond to the square through hole for installing the door body, the door body
It can correspond to and be mounted in the square through hole and close locking.
3. the pressure decay test platform of tunnel protection door according to claim 2, wherein the corresponding partition wall is provided in strip
The test installation part of shape structure, the bottom of the partition wall can correspond to the top for being fixed on the test installation part, and the test is pacified
The bottom of piece installing is provided in the axial direction with sliding slot, and is correspondingly arranged on sliding on the plate top surface of the fixing piece side
Guide rail, then the sliding slot can with the slide rail Corresponding matching, with realize it is described protection door component quick-clamping.
4. the pressure decay test platform of tunnel protection door described in any one of claim 1 to 3, wherein the pressing piece can
It is removed from the bottom plate, bottom is provided with pressing sliding slot in the width direction, and correspondence is provided with pressing on the bottom plate
Guide rail, the pressing sliding slot and can realize moving horizontally for the pressing piece with the pressing guide rail.
5. the pressure decay test platform of tunnel protection door described in any one of claim 1 to 3, wherein multiple described first
Wind pressure hole is in square on the second partition in matrix arrangements and/or multiple second wind pressure holes in the first partition
Battle array arrangement.
6. the pressure decay test platform of tunnel protection door described in any one of claim 1 to 3, wherein the fixing piece can
To being circumferentially provided with first seal on the end face of the just described pressing piece and/or the pressing piece can be to the just described fixing piece
End face on be circumferentially provided with second seal.
7. the pressure decay test platform of tunnel protection door according to claim 3, wherein the bottom plate includes test bottom plate and peace
Bottom plate is filled, for the test bottom plate for carrying the fixing piece and the pressing piece, the mounting base is set to the test
The side of bottom plate, and the both ends of the slide rail are separately positioned on the mounting base and the test plate top surface, with
The protection door component is installed in corresponding.
8. a kind of pressure decay test device, it includes the pressure decay tests of tunnel protection door according to any one of claims 1 to 7
Platform, which is characterized in that
The pressure decay test device further includes the first wind pressure control assembly and the second wind pressure control assembly；Wherein,
The first wind pressure control assembly includes that can produce the first wind pressure controller of positive wine pressure operating condition and described in pipeline connection
First air accumulator of the first wind pressure controller；
The second wind pressure control assembly includes that can produce the second wind pressure controller of negative wind pressure operating condition and described in pipeline connection
Second air accumulator of the second wind pressure controller；And
Correspondence is provided with three-position four-way electromagnetic directional valve between two air accumulators and pressure decay test platform, the 3-position 4-way electromagnetic switch
Valve tool is there are two air inlet and two gas outlets, and two air inlets are respectively with the first air accumulator described in pipeline connection and described the
Two air accumulators, two gas outlets are respectively with the first gas source interface described in the first pipeline and the second pipeline connection and second gas
Source interface can then be corresponded to by the adjusting of the three-position four-way electromagnetic directional valve and realize protection door component two sides wind pressure work
The pressure decay test of the protection door component is realized in the adjusting of condition.
9. pressure decay test device according to claim 8, wherein set respectively on first pipeline and second pipeline
It is equipped with control pressure valve, wind pressure size in the square groove of the protection door component two sides is realized with the control by the control pressure valve
Adjusting.
10. pressure decay test device according to claim 8 or claim 9, wherein be provided with the first control on first pipeline
It is provided with the second control valve on valve and/or second pipeline, by the control of two control valves, it can be achieved that corresponding pipeline
Connection or disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071632.5U CN209326956U (en) | 2019-01-16 | 2019-01-16 | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071632.5U CN209326956U (en) | 2019-01-16 | 2019-01-16 | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209326956U true CN209326956U (en) | 2019-08-30 |
Family
ID=67731471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071632.5U Withdrawn - After Issue CN209326956U (en) | 2019-01-16 | 2019-01-16 | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209326956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724788A (en) * | 2019-01-16 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it |
-
2019
- 2019-01-16 CN CN201920071632.5U patent/CN209326956U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724788A (en) * | 2019-01-16 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it |
| CN109724788B (en) * | 2019-01-16 | 2023-11-28 | 中铁第四勘察设计院集团有限公司 | Wind pressure test bed of tunnel protection door and wind pressure test device comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205719826U (en) | A kind of rock Hopkinson impact loading experiment device based on true triaxial static load | |
| AU2020104422A4 (en) | Rock true triaxial dynamic compression-shear test equipment and method under deep complex structure conditions | |
| CN209326956U (en) | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it | |
| CN110595909A (en) | True triaxial test system and method for simulating influence of different temperatures of deep rock mass | |
| CN109406310A (en) | The Dynamic And Static Loads synchronous servo control system of three axis six-way Hopkinson pressure bars | |
| CN203680252U (en) | Rotor and bearing cylinder support device for repairing and assembling turbine equipment | |
| CN109724788A (en) | A kind of pressure decay test platform of tunnel protection door and pressure decay test device comprising it | |
| CN209387310U (en) | A kind of pressure decay test device suitable for tunnel protection door | |
| CN108535037A (en) | A kind of half full-scale investigation platform of simulated rocket separation | |
| CN111044375A (en) | Reaction well loading device and method capable of carrying out large-scale full-scale test on pipe sheet | |
| CN209416680U (en) | A kind of tunnel protection door clamps testing stand and the pressure decay test system comprising it | |
| CN107101840B (en) | Wheel is to test booster and wheel track pilot system | |
| CN109612763A (en) | The clamping mechanism of tunnel protection door and pressure decay test device comprising the clamping mechanism | |
| CN111693243B (en) | High-temperature high-pressure multiphase flow impact fretting damage testing system and implementation method thereof | |
| CN209525108U (en) | The vertical clamping mechanism and pressure decay test device of tunnel protection door | |
| CN109724787A (en) | A kind of tunnel protection door clamps testing stand and the pressure decay test system comprising it | |
| CN209387241U (en) | A kind of pressure decay test system suitable for tunnel protection door | |
| CN209570470U (en) | The loader mechanism of tunnel protection door and pressure decay test device comprising the loader mechanism | |
| CN109682699A (en) | The loader mechanism of tunnel protection door and pressure decay test device comprising the loader mechanism | |
| CN109668709A (en) | A kind of pressure decay test system suitable for tunnel protection door | |
| CN109655359A (en) | A kind of hydraulic fatigue machine suitable for tunnel protection door | |
| CN107238397B (en) | A kind of four-degree-of-freedom high-precision attitude simulation system and analogy method | |
| CN109916645A (en) | The vertical clamping mechanism and pressure decay test device of tunnel protection door | |
| CN213226200U (en) | 20-ton six-degree-of-freedom electric motion platform | |
| CN209589730U (en) | A kind of hydraulic fatigue machine suitable for tunnel protection door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190830 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190830 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |