CN209589730U - A kind of hydraulic fatigue machine suitable for tunnel protection door - Google Patents
A kind of hydraulic fatigue machine suitable for tunnel protection door Download PDFInfo
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- CN209589730U CN209589730U CN201920078917.1U CN201920078917U CN209589730U CN 209589730 U CN209589730 U CN 209589730U CN 201920078917 U CN201920078917 U CN 201920078917U CN 209589730 U CN209589730 U CN 209589730U
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- tunnel protection
- protection door
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Abstract
The utility model discloses a kind of hydraulic fatigue machines suitable for tunnel protection door, belong to tunnel protection door correlative technology field, wherein by being correspondingly arranged the structures such as magnetic working table, protective door clamping assembly, adsorption piece and hydraulic pressure cylinder assembly, two magnetic working tables being correspondingly arranged, it is set on two magnetic working tables and can be used for the protective door clamping assembly of clamping tunnel protection door, and the hydraulic pressure cylinder assembly being correspondingly arranged between two magnetic working tables；Wherein, the magnetic working table can be used for generating electromagnetic attraction, and top is provided with first sliding groove, and two first sliding grooves are coaxially arranged；The protective door clamping assembly includes the corresponding two respectively arranged protective door clamping units of magnetic working table, the bottom of the protective door clamping unit is arranged in the first sliding groove, and can be moved back and forth in the first sliding groove, to realize that the clamping of the tunnel protection door is fixed.The hydraulic fatigue machine suitable for tunnel protection door of the utility model, structure is simple, and control is easy, and the scheme of fatigue test can diversity be strong, test result accuracy is high.
Description
Technical field
The utility model belongs to tunnel protection door correlative technology field, and in particular to a kind of liquid suitable for tunnel protection door
Press fatigue tester.
Background technique
With the continuous development of China express railway, railway tunnel using more and more, mileage is also increasingly longer.In tunnel
During the operation in road, due to the space relative closure in tunnel, if fire occurs in tunnel, it is difficult to cope with, personnel's dredges
The scattered more non-tunnel section of rescue work is difficult.Therefore, fire escape is added in tunnel often to guarantee the effect of emergency evacuation
Rate, and tunnel protection door is correspondingly arranged to separate the area train Gui Hang of fire escape and tunnel；In addition, being set in tunnel toward contact
It is equipped with the storage door opening of the equipment such as communication, signal, electric power, also generally passes through tunnel between these door openings and the area train Gui Hang in tunnel
Road protective door separates, to guarantee the storage safety and stability in use of equipment.
However, since train runs the bigger of train sectional area when passing through and tunnel sectional area, and tunnel in tunnel
The length in road is often longer, and the speed of service of train is very fast so that train can be generated in tunnel when being run in tunnel it is larger
" piston effect " of lateral wind pressure, can the tunnel protection door to tunnel two sides generate lasting Action of Wind pressure, in long-term circulation
Under Action of Wind pressure, it is the peace in tunnel that tunnel protection door, which is possible to will appear to be hit, which damages or drop to the risk of rail side,
Battalion for the national games brings hidden danger, also influences the normal storage of equipment in tunnel.Therefore, it before the application of tunnel protection door, generally requires
Stringent repeated impact test is carried out to it, to examine the impact fatigue-resistant performance of tunnel protection door, place its fatigue damage and
Influence the normal use of track.
In the prior art, the circulation that tunnel protection door is subject in tunnel is simulated often by pyroshock test
Action of Wind pressure carries out the fatigue test of tunnel protection door with this.Although the above method can realize tunnel protection to a certain extent
The test of door fatigue limit, but there is also many defects, for example, pyroshock test is there are certain risk, it is quick-fried
Fried power and range is difficult to control, and the accuracy of fatigue test is difficult to control；Meanwhile the cycle period of pyroshock test can
Tonality is poor, it is difficult to effectively simulation protective door impact fatigue state under practical circumstances, cause the accuracy of test result compared with
Difference, reliability is lower, has some limitations.
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
Suitable for the hydraulic fatigue machine of tunnel protection door, wherein by being correspondingly arranged magnetic working table, protective door clamping assembly, inhaling
The structures such as attachment and hydraulic pressure cylinder assembly, effectively realize the fatigue test of tunnel protection door, improve the standard of fatigue test results
True property.
To achieve the above object, the utility model provides a kind of hydraulic fatigue machine suitable for tunnel protection door,
It is characterized in that, comprising:
Two magnetic working tables being correspondingly arranged are set on two magnetic working tables and can be used for clamping tunnel protection
The protective door clamping assembly of door, and the hydraulic pressure cylinder assembly being correspondingly arranged between two magnetic working tables；Wherein,
The magnetic working table can be used for generating electromagnetic attraction, and top is provided with first sliding groove, and two described first is sliding
Slot is coaxially arranged；
The protective door clamping assembly includes the corresponding two respectively arranged protective door clamping units of magnetic working table, institute
The bottom for stating protective door clamping unit is arranged in the first sliding groove, and can move back and forth in the first sliding groove, to realize
The clamping of the tunnel protection door is fixed；The bottom surface setting of the tunnel protection door is corresponded between the two protective door clamping units
There is the adsorption piece of plate-like structure, the adsorption piece can carry out vertical lifting, so that the top surface of the adsorption piece can be close to institute
The bottom surface of tunnel protection door is stated, and the both ends of the adsorption piece are respectively with corresponding magnetic working table to be electrically connected, it is then described
Adsorption piece can closely be attracted the tunnel protection door under the action of magnetic working table with electromagnetic force, and make the tunnel
Protective door and the adsorption piece form unified beaer；
The hydraulic pressure cylinder assembly is arranged below the adsorption piece comprising hydraulic with vertically arranged piston rod
Cylinder, the bottom surface of adsorption piece described in the top face of the piston rod, and the end of the piston rod correspond to the adsorption piece setting
There is connector, which can correspond to the bottom surface for abutting the adsorption piece, and the adsorption piece is closely attracted with electromagnetic force, thus
By the vertical reciprocating motion of the piston rod, it can be achieved that the tunnel protection door is acted on or recycled respectively by pressure and suction
The fatigue test of the tunnel protection door is realized in the simulation of effect.
The protective door clamping unit includes non-magnetic limiting section and magnetic conduction as a further improvement of the utility model,
The lower section of the limiting section is arranged in portion, the magnetic-conductance portion；The tunnel protection door can be correspondingly arranged at two limiting sections it
Between, and with the end face of limiting section described in end abutment, realize the stabilization clamping of the tunnel protection door；The magnetic-conductance portion correspondence is set
It sets in the first sliding groove, with the magnetic working table to be electrically connected, and the both ends of the adsorption piece abut two institutes respectively
Magnetic-conductance portion is stated, so that the magnetic-conductance portion can generate electromagnetic attraction in the adsorption piece.
It is vertically offered respectively in the side wall surface of face in two magnetic-conductance portions as a further improvement of the utility model,
Second sliding slot, the both ends of the adsorption piece are respectively embedded into the second sliding slot, and can in the second sliding slot vertical lifting.
It is provided at the top of the hydraulic cylinder as a further improvement of the utility model, and draws in hydraulic fluid port, and the hydraulic cylinder
Bottom be provided with propulsion hydraulic fluid port, then by drawing in oil inlet in hydraulic fluid port to described, may make the piston rod to away from described
The side of tunnel protection door moves, by may make the piston rod to prevent to close to the tunnel to the propulsion hydraulic fluid port oil inlet
Protect the side movement of door.
It is provided with magnetic switch on the magnetic working table as a further improvement of the utility model, passes through the magnetic
Power switch connection, it can be achieved that on the adsorption piece electromagnetic force generation.
Auxiliary is provided between the tunnel protection door and the adsorption piece as a further improvement of the utility model,
Plate, the accessory plate be magnetic conductive metal sheet, correspondence be bonded on the end face of the tunnel protection door, and with the tunnel protection
Door forms unified beaer.
The accessory plate is sheet iron as a further improvement of the utility model, and the accessory plate and the tunnel
It is bonded between protective door by the way that structure glue is corresponding.
As a further improvement of the utility model, the door body of the tunnel protection door by non-magnetic nonmetallic materials
It is made.
The adsorption piece is magnetic alloy material as a further improvement of the utility model,.
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) hydraulic fatigue machine suitable for tunnel protection door of the utility model, by being oppositely arranged two magnetic force
Workbench is correspondingly arranged protective door clamping unit on magnetic working table, and it is to be tested to correspond to clamping by two protective door clamping units
Tunnel protection door, and correspond between two magnetic working tables tunnel protection door setting hydraulic pressure cylinder assembly and adsorption piece, pass through magnetic
Power workbench generates magnetic force on adsorption piece, so that adsorption piece is fitted closely with tunnel protection door, forms unified beaer, protects
The uniform force at each position of door body when having demonstrate,proved tunnel protection door fatigue test, improves the accurate of tunnel protection door fatigue test
Property, adsorption piece is then correspondingly connected with by the piston rod of hydraulic pressure cylinder assembly, is simulated with the reciprocating motion of piston rod to tunnel protection
Door presses, the ringing of pulling force or both, stress mould when effectively realizing to tunnel protection door by piston effect
It is quasi-, the fatigue test to tunnel protection door is realized, is the installation of tunnel protection door, using theoretical foundation is provided, improves tunnel
Safety when road protective door is applied in tunnel ensure that the safe operation in tunnel.
(2) hydraulic fatigue machine suitable for tunnel protection door of the utility model, by adsorption piece and tunnel
Accessory plate is set between protective door, by the way that accessory plate to be bonded on the end face of tunnel protection door, makes accessory plate and tunnel protection
Door forms unified beaer, and then by stablizing absorption between adsorption piece and accessory plate, effectively realizes non-magnetic tunnel
The fatigue test of road protective door improves the application range of fatigue tester, reduces the cost of tunnel protection door fatigue test,
Improve the efficiency of fatigue test；
(3) hydraulic fatigue machine suitable for tunnel protection door of the utility model passes through corresponding protective door clamping
First sliding groove is arranged in unit, and corresponding adsorption piece is arranged second sliding slot, effectively improves the efficiency of tunnel protection door clamping, shorten
The period of tunnel protection door fatigue test reduces the fatigue test cost of tunnel protection door；
(4) hydraulic fatigue machine suitable for tunnel protection door of the utility model passes through corresponding adsorption piece setting
Hydraulic pressure cylinder assembly can simulate tunnel protection door under various application environments by piston with the accurate lifting of piston rod, accurate control
Stress condition when effect acts on, improves the diversity of fatigue test scheme and the accuracy of fatigue test results, is tunnel
The structure design of protective door installs and designs the accurate foundation of offer, guarantees the safety of tunnel operation；
(5) hydraulic fatigue machine suitable for tunnel protection door of the utility model, structure is simple, and control is easy,
The scheme of fatigue test can diversity be strong, test result accuracy is high, is not only able to achieve the fatigue of made of metal tunnel protection door
Test, moreover it is possible to which the fatigue test for effectively realizing nonmetallic tunnel protection door processed greatly improves being applicable in for hydraulic fatigue machine
Range reduces the cost of tunnel protection door fatigue test, has good promotion and application value.
Detailed description of the invention
Fig. 1 is the overall structure signal in the utility model embodiment suitable for the hydraulic fatigue machine of tunnel protection door
Figure；
Fig. 2 is the partial structurtes amplification in the utility model embodiment suitable for the hydraulic fatigue machine of tunnel protection door
Figure；
Fig. 3 is structural representation when hydraulic fatigue machine tests nonmetallic tunnel protection door in the utility model embodiment
Figure；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. magnetic working tables,
101. first sliding groove, 102. magnetic switch；2. protective door clamping unit, 201. limiting sections, 202. magnetic-conductance portions, 203. second is sliding
Slot；3. adsorption piece, 4. hydraulic pressure cylinder assemblies, 401. promote hydraulic fluid port, and 402. draw in hydraulic fluid port, 403. piston rods, 404. connectors；5. tunnel
Road protective door, 6. accessory plates.
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.
Structure such as Fig. 1 and figure in the preferred embodiment in the utility model suitable for the hydraulic fatigue machine of tunnel protection door
Shown in 2, wherein hydraulic fatigue machine includes two magnetic working tables 1 being oppositely arranged on the ground, two magnetic working tables 1
Between between be separated with certain spacing, and be correspondingly arranged on protective door clamping assembly on two magnetic working tables 1 comprising two magnetic force works
Make respectively arranged protective door clamping unit 2 on platform 1, so that tunnel protection door 5 to be tested can correspond to fixed clamping two
Between protective door clamping unit 2；Further, it is correspondingly arranged on hydraulic pressure cylinder assembly 4 between two magnetic working tables 1, with it to dress
The tunnel protection door 5 being clipped between two protective door clamping assemblies 2 carries out fatigue test.
Further specifically, as shown in fig. 1, the magnetic working table 1 in preferred embodiment fixes on the ground, can be
Magnetic force is generated on adsorption piece 3, which is discussed in detail in subsequent content；Further, the top surface of two magnetic working tables 1
On respectively correspond protective door clamping unit 2 and be provided with first sliding groove 101, two first sliding grooves 101 are coaxially arranged, and protective door
The bottom of clamping unit 2 is correspondingly arranged in first sliding groove 101 so that two protective door clamping units 2 can it is close to each other or
It is located remotely from each other, to adapt to the clamping of different size tunnel protection doors 5；It is further preferred that two protective door clamping units 2 are first
Movement in sliding slot 101 can be automated control, and protective door clamping unit 2, which can correspond to, moves to appointing in first sliding groove 101
Meaning position simultaneously locks, and when detecting that the pressure between protective door clamping unit 2 and tunnel protection door 5 reaches clamping pressure,
Two protective door clamping units 2 stop movement, to guarantee the clamping stability of tunnel protection door 5.Certainly, in protective door clamping assembly
When carrying out 5 clamping of tunnel protection door, one of protective door clamping unit 2 can correspond to static, be filled by another protective door
Press from both sides movement of the unit 2 in first sliding groove 101, the size of Lai Shiying tunnel protection door 5, and it is complete after could tunnel protection door 5
Stablize clamping.
Further, it is preferable to which two protective door clamping units 2 in embodiment are oppositely arranged, each protective door clamping unit 2 divides
It Bao Kuo not limiting section 201, magnetic-conductance portion 202 and second sliding slot 203；Wherein, the top of magnetic-conductance portion 202 is arranged in limiting section 201, leads
The bottom in magnetic portion 202 is correspondingly arranged in first sliding groove 101, and magnetic-conductance portion 202 is corresponded to magnetic working table 1 to be electrically connected；Into
One step, two limiting sections 201 in preferred embodiment are used to carry out the clamping of tunnel protection door 5, to be tested in preferred embodiment
Tunnel protection door 5 be horizontally set between two limiting sections 201, and the wall surface of corresponding limiting section 201 is abutted with two side walls, from
And realize clamping of the tunnel protection door 5 between two limiting sections 201.
Further, it is preferable to vertically offer second sliding slot respectively on the opposite wall surface of two magnetic-conductance portions 202 in embodiment
203, and adsorption piece 3 is correspondingly arranged between two second sliding slots 203, the adsorption piece 3 in preferred embodiment is in horizontally disposed
Plate structure, both ends are separately positioned in second sliding slot 203, and can in second sliding slot 203 vertical lifting, with realize absorption
The end face of the fixed tunnel protection door 5 of clamping abuts between 3 plate face of part and two limiting sections 201, by control magnetic working table 1
Magnetic switch 102 opening and closing, it can be achieved that magnetic-conductance portion 202 to the magnetic conduction of adsorption piece 3 so that adsorption piece 3 can integrally be adsorbed on tunnel
On one side end face of road protective door 5, unified beaer is formed with tunnel protection door 5 to be tested.
It should be evident that tunnel protection door 5 involved in above preferred embodiment is the tunnel protection door of metal plate, inhale
Attachment 3 is the preferably stronger magnetic alloy material of toughness, and by electromagnetic attraction, adsorption piece 3 can integrally be adsorbed on tunnel protection
On bottom side end face after door 5 is horizontal positioned；Certainly, when the plate face of tunnel protection door is nonmetallic materials, such as rubber material, compound
When material, cement concrete material, as shown in Figure 3；At this point, the plate face setting that can correspond to tunnel protection door 5 is certain thickness
Accessory plate 6, is preferably toughness and the stronger metal plate of magnetic conductivity, such as sheet iron, and accessory plate 6 can be with the tunnel of nonmetallic plate face
Road protective door is unified beaer by structure glue sticking, so that the plate face of accessory plate 6 is bonded the plate face of adsorption piece 3, by magnetic
Power workbench 1 provides magnetic force and is closely attracted adsorption piece 3 and accessory plate 6, then makes tunnel protection door 5, accessory plate 6 and adsorption piece
3 form unified beaer.
Further, correspondence adsorption piece 3 is preferably provided with hydraulic pressure cylinder assembly 4, to unify beaer to be formed with adsorption piece 3
Tunnel protection door 5 pulling force or thrust are provided, to simulate tunnel protection door 5 in tunnel by the ringing of Piston Action Wind；Tool
Body, the lower section of adsorption piece 3 is arranged in the hydraulic pressure cylinder assembly 4 in preferred embodiment comprising the liquid being fixed on bottom surface
The piston rod 403 of cylinder pressure, hydraulic cylinder is vertically arranged, and piston rod 403 can be made to increase in the case where corresponding oil inlet oil inlet
Or decline；Further, it is preferable to 403 end of piston rod in embodiment is fixedly installed connector 404, it can be with adsorption piece
3 side plate face abuts, and is closely attracted under magneticaction with adsorption piece 3, so that connector 404 can be in piston rod 403
Under the action of to adsorption piece 3 and tunnel protection door 5 presses or pulling force.
Further, it is provided with below hydraulic cylinder and promotes hydraulic fluid port 401, when this hydraulic fluid port oil inlet, promotion piston can be corresponded to
Bar 403 moves upwards, i.e., moves to the direction close to tunnel protection door 5, and to push adsorption piece 3, simulation tunnel protection door 5 is pressurized
The situation of masterpiece used time；Correspondingly, it is correspondingly arranged on above hydraulic cylinder and draws in hydraulic fluid port 402, when this hydraulic fluid port oil inlet, can corresponded to
It pushes piston rod 403 to move downward, i.e., is moved to the direction away from tunnel protection door 5, to pull adsorption piece 3, simulation tunnel is anti-
Protect the situation of 5 tension masterpiece used time of door.Then by recycling oil inlet, it can be achieved that living to promoting hydraulic fluid port 401, draw in hydraulic fluid port 402
The process of 403 Circularly liftable of stopper rod, so that the test process that pulling force, pressures cycle effect are carried out to tunnel protection door 5 is completed, it is real
Now to the fatigue test of tunnel protection door 5, by the switching frequency of oil inlet oil inlet quantity and oil inlet, it can be achieved that a variety of test bars
The simulation of part, the diversity and accuracy of lifting test result.
Tunnel protection door 5 is carried out with the hydraulic fatigue machine for being suitable for tunnel protection door in the utility model embodiment
Fatigue test when, first tunnel protection door 5 to be tested is lain in a horizontal plane between two limiting sections 201, pass through control limiting section
201 sliding in first sliding groove 101, so that tunnel protection door 5 stablizes clamping between two limiting sections 201；It is lived by control
Stopper rod 403 pushes the adsorption piece 3 in second sliding slot 203 mobile to 5 direction of tunnel protection door, so that the end face of adsorption piece 3 abuts
The bottom side end face of tunnel protection door 5 opens magnetic switch 102, is magnetized by magnetic-conductance portion 202 to adsorption piece 3, so that adsorption piece 3
Adsorbed close tunnel protection door 5 and connector 404 respectively prepare to complete the clamping before tunnel protection door 5 is tested, then set
Set corresponding testing program, successively to promoting hydraulic fluid port 401, draw in hydraulic fluid port 402 and recycle oil inlet so that piston rod 403 it is corresponding to
Tunnel protection door 5 presses or pulling force, to complete the fatigue test of tunnel protection door.
It is suitable for the hydraulic fatigue machine of tunnel protection door in the utility model, structure is simple, and control is easy, passes through
Hydraulic pressure cylinder assembly 4 and protective door clamping unit 2 be set, the stabilization clamping and ringing power of tunnel protection door are effectively realized
The control of accurate simulation, hydraulic pressure cylinder assembly 4 is simple, and accuracy is high, can effectively realize the simulation of various testing programs, not only effectively
The fatigue test of tunnel protection door is realized, the diversity of tunnel protection door fatigue test scheme is also greatly improved, realizes
The fatigue test of tunnel protection door application state under various circumstances, improves the accuracy of fatigue test, and pass through correspondence
The structures such as nonmetallic tunnel protection door setting accessory plate, effectively realize the fatigue test of nonmetallic door-plate, greatly improve liquid
The scope of application for pressing fatigue tester, reduces the cost of tunnel protection door fatigue test, has good promotion and application 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 (9)
1. a kind of hydraulic fatigue machine suitable for tunnel protection door characterized by comprising
Two magnetic working tables being correspondingly arranged are set on two magnetic working tables and can be used for clamping tunnel protection door
Protective door clamping assembly, and the hydraulic pressure cylinder assembly being correspondingly arranged between two magnetic working tables；Wherein,
The magnetic working table can be used for generating electromagnetic attraction, and top is provided with first sliding groove, and two first sliding grooves are total
Axis setting；
The protective door clamping assembly includes the corresponding two respectively arranged protective door clamping units of magnetic working table, described anti-
The bottom for protecting door clamping unit is arranged in the first sliding groove, and can move back and forth in the first sliding groove, described in realizing
The clamping of tunnel protection door is fixed；The bottom surface that the tunnel protection door is corresponded between the two protective door clamping units, which is provided with, is in
The adsorption piece of plate structure, the adsorption piece can carry out vertical lifting, so that the top surface of the adsorption piece can be close to the tunnel
The bottom surface of road protective door, and the both ends of the adsorption piece are respectively with corresponding magnetic working table to be electrically connected, the then absorption
Part can closely be attracted the tunnel protection door under the action of magnetic working table with electromagnetic force, and make the tunnel protection
Door and the adsorption piece form unified beaer；
The hydraulic pressure cylinder assembly is arranged below the adsorption piece comprising the hydraulic cylinder with vertically arranged piston rod, institute
The bottom surface of adsorption piece described in the top face of piston rod is stated, and the end of the piston rod corresponds to the adsorption piece and is provided with connection
Part, which can correspond to the bottom surface for abutting the adsorption piece, and the adsorption piece is closely attracted with electromagnetic force, to pass through institute
That states piston rod vertical moves back and forth, it can be achieved that the tunnel protection door is acted on or ringing respectively by pressure and suction
Simulation, realizes the fatigue test of the tunnel protection door.
2. the hydraulic fatigue machine according to claim 1 suitable for tunnel protection door, wherein the protective door clamping
Unit includes non-magnetic limiting section and magnetic-conductance portion, and the lower section of the limiting section is arranged in the magnetic-conductance portion；The tunnel protection
Door can be correspondingly arranged between two limiting sections, and with the end face of limiting section described in end abutment, realize the tunnel protection
The stabilization clamping of door；The magnetic-conductance portion is correspondingly arranged in the first sliding groove, with the magnetic working table to be electrically connected, and
The both ends of the adsorption piece abut two magnetic-conductance portions respectively, inhale so that the magnetic-conductance portion can generate electromagnetism in the adsorption piece
Power.
3. the hydraulic fatigue machine according to claim 2 suitable for tunnel protection door, wherein in two magnetic-conductance portions
Second sliding slot is vertically offered in the side wall surface of face respectively, the both ends of the adsorption piece are respectively embedded into the second sliding slot,
And can in the second sliding slot vertical lifting.
4. the hydraulic fatigue machine described in any one of claim 1 to 3 suitable for tunnel protection door, wherein institute
It states to be provided at the top of hydraulic cylinder and draws in hydraulic fluid port, and the bottom of the hydraulic cylinder is provided with propulsion hydraulic fluid port, then by the drawing
Oil inlet in oil inlet may make the piston rod to move to the side away from the tunnel protection door, by oily to the propulsion
Mouth oil inlet, may make the piston rod to move to the side close to the tunnel protection door.
5. the hydraulic fatigue machine described in any one of claim 1 to 3 suitable for tunnel protection door, wherein institute
It states and is provided with magnetic switch on magnetic working table, by the connection of the magnetic switch, it can be achieved that electromagnetic force on the adsorption piece
Generation.
6. the hydraulic fatigue machine described in any one of claim 1 to 3 suitable for tunnel protection door, wherein In
Accessory plate is provided between the tunnel protection door and the adsorption piece, the accessory plate is magnetic conductive metal sheet, corresponds to bonding
Unified beaer is formed on the end face of the tunnel protection door, and with the tunnel protection door.
7. the hydraulic fatigue machine according to claim 6 suitable for tunnel protection door, wherein the accessory plate is thin
Iron plate, and bonded between the accessory plate and the tunnel protection door by the way that structure glue is corresponding.
8. the hydraulic fatigue machine according to claim 7 suitable for tunnel protection door, wherein the tunnel protection door
Door body be made of the nonmetallic materials of non-magnetic.
9. the hydraulic fatigue machine described in any one of claim 1 to 3 suitable for tunnel protection door, wherein institute
Stating adsorption piece is magnetic alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078917.1U CN209589730U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic fatigue machine suitable for tunnel protection door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078917.1U CN209589730U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic fatigue machine suitable for tunnel protection door |
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| CN209589730U true CN209589730U (en) | 2019-11-05 |
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| CN201920078917.1U Active CN209589730U (en) | 2019-01-17 | 2019-01-17 | A kind of hydraulic fatigue machine suitable for tunnel protection door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655359A (en) * | 2019-01-17 | 2019-04-19 | 中铁第四勘察设计院集团有限公司 | A kind of hydraulic fatigue machine suitable for tunnel protection door |
-
2019
- 2019-01-17 CN CN201920078917.1U patent/CN209589730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655359A (en) * | 2019-01-17 | 2019-04-19 | 中铁第四勘察设计院集团有限公司 | A kind of hydraulic fatigue machine suitable for tunnel protection door |
| CN109655359B (en) * | 2019-01-17 | 2023-09-26 | 中铁第四勘察设计院集团有限公司 | Hydraulic fatigue testing machine suitable for tunnel protection door |
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