CN209617154U - Hydraulically locking device - Google Patents
Hydraulically locking device Download PDFInfo
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- CN209617154U CN209617154U CN201920065914.4U CN201920065914U CN209617154U CN 209617154 U CN209617154 U CN 209617154U CN 201920065914 U CN201920065914 U CN 201920065914U CN 209617154 U CN209617154 U CN 209617154U
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- spring
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Abstract
A kind of hydraulically locking device, including cylinder component (3), reversal valve (1), check valve (2), piston rod assembly (4), cylinder component (3) includes the closed cylinder body (32) filled with hydraulic oil, piston rod assembly (4) includes piston rod (41) and piston (44) of the limit in cylinder body (32), it is characterized in that: further including return spring assembly (5), return spring assembly (5) includes setting in the reset spring (52) of return spring holder (53), limit between cylinder body (32) and return spring holder (53) on piston rod (41)；Cylinder body is separated into two oil pockets by piston (44), is connected in the reversal valve (1) of cylinder body (32) outside with check valve (2) between two oil pockets by setting.It has the advantages that it is simple for structure it is compact, locking performance is stable, convenient to use, maintenance cost is low etc..
Description
Technical field
The utility model belongs to railway train arrangement operation security appliance field, specifically a kind of hydraulically locking device.
Background technique
Boundary member/anti-slip device is mounted in railway hump marshalling yard to rolling vehicle group Brake stop, guarantees the one of safety
Kind marshalling facilities, as disclosed in the patent of invention that Authorization Notice No. is CN106167032B " variable limit parking anti-running device ", should
Technical solution passes through the height of gear, the transmission change braking rail for lifting the components such as arm under the action of the driving mechanism, final to realize
Prevent the effect of wagon running away.And the top limit of boundary member is related to its stopping power and safe practice index.
As disclosed in the patent of invention of application publication number CN1840399A " energy self-supply type controllable stopping device ", the technical solution
In, hydraulic press uses dual-chamber structure, wherein left side is the mixture of compressed nitrogen and hydraulic oil, right side is hydraulic oil, right
Chamber, compressed nitrogen " energy storage " are finally real in conjunction with reversal valve and check valve to the left under the compression of plunger for side hydraulic oil
Existing blocking function, using compressed nitrogen as the driving source of plunger return.It is known that, air pressure is more quick to temperature change
Sense, when the morning and evening excessive temperature differentials of ambient temperature or when seasons change, screen resilience provided by compressed nitrogen is not fixed value,
And then influence the locking stability of system.Under extreme case, if nitrogen extrudes hydraulic oil in left chamber completely, it will certainly make
At security risk.In addition, the hydraulic fluid port A of cylinder body, left chamber there must be directionality, enter in pipeline to avoid compressed nitrogen,
It is provided with complicated pipeline structure thus, not only increases oil leak risk, and lead to the increase of structure and maintenance cost.
Utility model content
The purpose of the utility model is to provide a kind of hydraulically locking devices, fundamentally solve the above problem, have knot
The advantages such as structure concision and compact, locking performance are stable, convenient to use, maintenance cost is low.Check valve is only cooperated by reversal valve
I.e. controllable hydraulic oil circulating direction, and then realize locking, greatly reduce the component count of existing locking system.
To achieve the above object, the utility model provides following technical solution: the hydraulically locking device, including oil cylinder group
Part, reversal valve, check valve, piston rod assembly, cylinder component include the closed cylinder body filled with hydraulic oil, piston rod assembly packet
Limit is included in the intracorporal piston rod of cylinder and piston, is characterized in that: further including return spring assembly, return spring assembly includes
The reset spring of return spring holder, limit between cylinder body and return spring holder on the piston rod is set；Piston divides cylinder body
Two oil pockets are divided into, are connected to by the reversal valve being arranged in outside cylinder body with check valve between two oil pockets.
For applied to boundary member or retarder, and piston rod is connected with tripping spring component, tripping spring component includes
The tripping spring group of tripping spring seat, limit on tripping spring seat.
For the elastic force for improving tripping spring group in a limited space, tripping spring group includes outer spring and inner spring.
To guarantee in relieved state, tripping spring group can be stretched to reset spring group, and the rigidity of reset spring should be less than
Tripping spring group, preferably, the rigidity of reset spring is the 5% ~ 20% of tripping spring group.
The utility model has the beneficial effects that hydraulically locking device is executing agency and the ramp to stop device of control system
Core institution.It is mainly integrated by gray iron, piston rod, piston, check valve and reversal valve etc., using double track item
Inner bearing type, spring braking, spring reset, hydraulically locking, electrical control.It is to rely on railway track stock rail, is not necessarily to concrete
Basis eliminates oil pump, motor, fuel tank, pipeline of conventional hydraulic etc., does not need electrical source of power, and the braking of big spring group is small
Spring reset remotely changes the working condition of equipment using hydraulically locking device by control circuit, realizes the shape of braking with alleviation
State conversion.
Compared with the immediate prior art (original design), compressed nitrogen reset spring is substituted for, to effectively keep away
Influence of the working environment to equipment locking stability is exempted from.Further, since instead of the compressed nitrogen as " reset drives source ",
Without considering that the setting direction of oil outlet reduces pipeline that is, it is not necessary that check valve and reversal valve are separately positioned on cylinder body two sides
Structure complexity reduces potential oil leak risk, extends " repairing " period, and then effectively reduces manufacture difficulty and assembly hardly possible
Degree；The cylinder cap for directlying adopt tubular cylinder body cooperation both ends can reach same oil storage effect, be different from the prior art, in cylinder body
Inside setting pipeline structure, greatlies simplify housing structure, more conducively manufacture and maintenance, and reduces use cost.
Ramp to stop device mainly by braking rail, support arm, tripping spring group, reset spring, hydraulically locking device, supporting beam and
Control system composition.It may be provided at middle section cooperation vehicle speed sensor to use as retarder, may also be arranged on latter end as parking
Device uses.Braking rail is the execution unit with wheel friction, generation brake force, and tripping spring group is to generate the acting portion of brake force
Part, the effect of reset spring are to push braking rail to retarder location by alleviating position, pass through support arm phase between braking rail and groups of springs
It is coupled, supporting beam is used to support all components, and fixes with line basic track.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model hydraulically locking device.
Fig. 2 is the operation principle schematic diagram I of the utility model hydraulically locking device.
Fig. 3 is the operation principle schematic diagram II of the utility model hydraulically locking device.
Fig. 4 is the structural schematic diagram using the boundary member of hydraulically locking device.
Fig. 5 is the overlooking structure diagram of Fig. 4.
Fig. 6 is the structural schematic diagram of supporting beam in Fig. 4.
Fig. 7 is the overlooking structure diagram of Fig. 6.
Fig. 8 is the structural schematic diagram of the internal track block of Fig. 4.
Fig. 9 is the structural schematic diagram using another boundary member of hydraulically locking device.
Figure 10 is the overlooking structure diagram of Fig. 9.
Figure 11 is the structural schematic diagram of supporting beam in Fig. 9.
Figure 11 a is schematic cross-sectional view of the Figure 11 along line A-A.
Figure 11 b is schematic cross-sectional view of the Figure 11 along line B-B.
Figure 11 c is schematic cross-sectional view of the Figure 11 along line C-C.
Figure 11 d is schematic cross-sectional view of the Figure 11 along line D-D.
Figure 12 is the overlooking structure diagram of Figure 11.
Figure 13 is the structural schematic diagram of the internal track block of Fig. 9.
Figure 14 is the use state diagram using the boundary member of hydraulically locking device.
Figure 15 is the cascaded structure schematic diagram of boundary member in Figure 14.
Specific embodiment
Below in conjunction with Fig. 1 ~ 15, the content of the utility model is described in detail by specific embodiment.
Embodiment 1
The present embodiment is the particular content of hydraulically locking device structure.The hydraulically locking device include cylinder component 3, reversal valve 1,
The parts such as check valve 2, piston rod assembly 4, return spring assembly 5.Wherein, cylinder component 3 mainly includes filled with hydraulic oil
Closed cylinder body 32,32 both ends of cylinder body are closed by cylinder cap I 31 and cylinder cap II 33, and during cylinder cap I 31 and cylinder cap II 33 be
Several sealing rings are arranged in hollow structure in hollow structure, to be fitted close with piston rod 41.The outside of cylinder cap II 33 is also set
There is annular projection structure, spring base of the bulge-structure as 52 side of reset spring, 52 other side of reset spring passes through reset
Spring base 53 limits.
Piston rod assembly 4 mainly includes piston rod 41 and piston 44 of the limit in cylinder body 32.For convenience of the dress of piston 44
Match, piston rod 41 is equipped with bulge-structure, and 44 side of piston is limited by the bulge-structure, and the other side passes through additional components
Card key 42 and card key cap 43 limit.Cylinder body is separated into two oil pockets by piston 44, is passed through between two oil pockets and is arranged in cylinder body 32
Outer reversal valve 1 is connected to check valve 2.Piston rod 41 is connected with tripping spring component 9, and tripping spring component 9 includes braking bullet
The tripping spring group of spring abutment 91, limit on tripping spring seat 91.Preferably, tripping spring group includes the outer spring of several suits
93 and inner spring 92.
Return spring assembly 5 mainly includes the return spring holder 53 being arranged on piston rod 41, limit in cylinder body 32 and again
Reset spring 52 between the spring base 53 of position.And the regular event to guarantee hydraulically locking device, the rigidity of reset spring 52 should
Less than tripping spring group, preferably, the rigidity of reset spring is the 5% ~ 20% of tripping spring group.For convenience of piston rod 41 with
The linkage of tripping spring component 9, in 41 end of piston rod, setting joint bearing block 51(return spring holder 53 passes through joint bearing block
51 assembly are on the piston rod), setting oscillating bearing 54 and joint shaft consign 55 in joint bearing block 51, thus with tripping spring seat
91 linkings.
It is well known that the micro-leakage of any hydraulic device is all inevitable, the main leakage point of the boundary member
It is the slide valve gap of reversal valve.When vehicle is clipped on boundary member for a long time, the length of reset spring has micro variation, simultaneously
The decrement of tripping spring group also has micro variation, and the brake force of boundary member is made also to have micro variation.As long as but variable quantity
Wheel inner distance is depended on no more than (17 ± 3) mm(), brake force will not be remarkably decreased.If standing vehicle is subsequent
Skating vehicle is hit, as long as wheel leaves boundary member, reset spring will reset immediately, and braking rail opening is made to be restored to (1370
± 3) mm, brake force are restored to greatest measure, and next group of wheel 11 is waited to arrive.
Embodiment 2
The present embodiment is to be somebody's turn to do using the particular content of one of ramp to stop device structure of 1 hydraulically locking device of embodiment
Ramp to stop device structure and the prior art (CN1840399A) are more close.Other than above-mentioned hydraulically locking device 13, further include
The parts such as rail clip component 6, support arm 7, supporting beam component 8, tripping spring component 9, braking rail 10.Wherein, rail clip component 6 includes setting
It sets the insulation tank 62 in 12 bottom of stock rail, the external track block 61 that is arranged on insulation tank 62 and internal track block 63, be arranged in stock rail
The fastener 64 of 12 bottoms.Fastener 64 is primarily referred to as the components such as bolt, nut, gasket, is used for external track block 61 and internal rail
Card 63 is fastened on 12 two sides of stock rail.Internal track block 63 is equipped with internal track block pin shaft 632, and internal track block pin shaft 632 is equipped with internal track block
Guide 631 is lifted arm 7 and is hinged on internal track block guide 631.
Supporting beam component 8 includes channel steel 83, the bearing plate 81(bearing plate 81 and channel steel that the 83 two sides upper half of channel steel is arranged in
Between be equipped with gusset 82), 83 top of channel steel is equipped with stiffening plate 84, and two sets of coaxial idler wheels 85 and roller shaft are equipped in the middle part of channel steel 83
86(quantity is corresponding with arm quantity is lifted), idler wheel 85 is arranged on roller shaft 86 by guide 87, lifts 7 bottom of arm and connects with idler wheel 85
Touching.
Tripping spring component 9 includes the tripping spring seat 91 being connected by spring lever 94, is arranged on tripping spring seat 91
Coaxial inner spring 92 and outer spring 93.In the structure, due to it is not necessary that the bearing plate 81 of the 83 two sides upper half of channel steel is embedded in
63 bottom of internal track block, keeps assembling process simpler, therefore as a preferred embodiment.
Embodiment 3
The present embodiment is using the particular content of another ramp to stop device structure of 1 hydraulically locking device of embodiment, with reality
It is similar to apply example 2, difference with 63 structure of internal track block and supporting beam component 8.Supporting beam component 8 includes channel steel 83, is arranged in channel steel
The bearing plate 81 of 83 two sides lower half is equipped with two sets coaxial idler wheels 85 and roller shaft 86(quantity and act arm number in the middle part of channel steel 83
Measure corresponding), it lifts 7 bottom of arm and is contacted with idler wheel 85.As it can be seen that being given since bearing plate 81 is located in lower half insertion internal track block 63
Assembly brings very big inconvenience, is not intended as preferred embodiment.
Embodiment 4
The present embodiment is that the different use states of ramp to stop device 13 compare, under normal conditions in use, using Figure 14
It can provide enough brake force.It such as needs to further increase brake force, then cascaded structure shown in figure 15 can be used, two sets are stopped
Pass through series connection clamping plate connection between vehicle device.Transport, manufacture and assembly are easy for using the purpose of tandem brake rail.
Embodiment 5
The present embodiment is the particular content of hydraulically locking device working principle.
Hydraulically locking device working principle: below according to state I (Fig. 2 a) → state I I(Fig. 2 b) → state I II(Fig. 2 c) →
State I V(Fig. 2 d) → state I (Fig. 2 a) action process and state V(Fig. 3 e) → state VI(Fig. 3 f) and action process retouch
State the working principle of the utility model hydraulically locking device.
Wherein, oil circuit direction A → B of check valve is closed circuit, and B → A is access, other oil circuit directions are as shown by arrows.
State I (Fig. 2 a) → state I I(Fig. 2 b): vehicle slips fashionable braking, the compression of tripping spring group
When as boundary member in use, reversal valve is located at retarder location by default.After reversal valve power-off, nothing in coil
Electric current passes through.At this point, the distance between two braking rail working faces are (1370 ± 3) mm, it is greater than vehicle interior side distance (1353 ± 3)
mm.When vehicle slips fashionable, inward-facing extruding braking rail on the inside of wheel passes through support arm and compresses tripping spring group, tripping spring group
The piston being transmitted to pressure by piston rod in oil cylinder.But check valve at this time is in close state, and hydraulic oil cannot flow, living
Plug can not move, then tripping spring group is compressed, and the thrust of tripping spring group is extruding force of the braking rail to wheel.Due to
The rigidity of tripping spring group is very high, and the powerful frictional force between braking rail and wheel can do braking work to driving is slipped, and forces
Vehicle parking.As long as not giving reversal valve power transmission, system is in retarder location always, makes to slip row vehicle brake parking at any time.
State I I(Fig. 2 b) → state I II(Fig. 2 c): alleviation when vehicle involves, tripping spring group reset, reset spring pressure
Contracting
When needing to involve on vehicle, reversal valve is converted to alleviating position, check valve is in the conductive state at this time.Oil circuit connects
After logical, piston can move in cylinder body, and since the wheel side of tripping spring group is limited by wheel, tripping spring group is stretched inwardly
Exhibition, compression reseting spring.When tripping spring group extends to precompressed length, brake force disappears, and at this moment acts in braking rail
Pressure there was only the elastic force of reset spring, since the rigidity of reset spring is very low, only the 5%~20% of tripping spring group, to leading
The resistance very little of operation out.
During vehicle involves, as long as first bogie of vehicle has passed through boundary member, due to the work of hydraulically locking device
With the distance between two braking rail working faces of boundary member meeting automatic blocking is equal to wheel inner distance in (1353 ± 3) mm()
State, the wheel passed through again later, frictional force can be smaller, does not influence on operation is involved substantially.Since reversal valve is in slow
Xie Wei, be used cooperatively check valve, hydraulic oil also can only one-way flow, to lock the compressive state of reset spring.
State I II(Fig. 2 c) → state I V(Fig. 2 d) → state I (Fig. 2 a): vehicle resets after moving out, and reset spring resets
After involving operation, need by boundary member restore retarder location when, brake activation button, make reversal valve convert to
Retarder location unlocks hydraulically locking device.Due to not having wheel to be clipped on boundary member, two braking rails are fast under action of reset spring
Speed is transformed into (1370 ± 3) mm of retarder location by (1353 ± 3) mm of locking position, completes homing action.
State V(Fig. 3 e) → state VI(Fig. 3 f): deceleration when vehicle passes through
When as retarder in use, under reversal valve default conditions be located at alleviating position, tripping spring group and reset spring are equal
For precompressed length, check valve is in the conductive state, and piston can move in cylinder body.When vehicle passes through boundary member, vehicle passes through
Braking rail and tripping spring group compression reseting spring (reset spring resistance is less than tripping spring group resistance), and pushed away by piston rod
Piston is mobile, and the pressure at this moment acted in braking rail is the elastic force of reset spring, and resistance is smaller, will not make vehicle braking
Stop.
Check valve, (electromagnetism) reversal valve are commercially available part, which is the prior art of fields, therefore does not explain in detail
Its internal mechanism is stated, as long as being able to achieve the purpose of this utility model.
Although a sealing ring 45 is only marked in appended drawing reference in Fig. 1, in actual use to guarantee leakproofness, according to need
It wants and sealing ring is set between corresponding part (the utility model is mainly between piston 44 and cylinder body 32, end cap I 31, end cap
Between II 33 and cylinder body 32 etc.) belong to ordinary skill in the art means, it is not described in detail in specific structure.
In Fig. 2, Fig. 3, the compression distance of reset spring and tripping spring group is only to illustrate, and purpose is only that signal spring
Compressed action, decrement in actual use may be different from diagram.
Explanation of technical terms in text:
Hump: it is the main feature of marshalling yard, be built on ground like camel peak antiform shape koppie, design
It at the gradient appropriate, places an iron railway above, locomotive thrust can be aided with using position caused by the gravity of vehicle and the gradient of hump
A kind of marshalling facilities for carrying out spliting up a train are a kind of main methods of marshalling yard's disintegration car team.
Shunter: the locomotive of train marshalling list, disassembling operation is carried out dedicated for marshalling yard or switchyard.
Railway clearance: for guarantee transportation safety and building, equipment and the rolling stock formulated each other on the line not
The overall size line that can go beyond.
Car retarder: the vehicle speed control device of harness or station track is set, with hump control system in hump marshalling station
Cooperation, for carrying out speed control to the vehicle in rolling, the speed for making vehicle keep appropriate intervals or slip into shunting line is full
Sufficient safe connection requirement, common retarder, such as deceleration top.
Description of symbols:
1 reversal valve
2 check valves
3 cylinder components
31 end cap I
32 cylinder bodies
33 end cap II
4 piston rod assemblies
41 piston rods
42 card keys
43 card key caps
44 pistons
45 sealing rings
5 return spring assemblies
51 joint bearing blocks
52 reset springs
53 return spring holders
54 oscillating bearings
55 joint shafts are consigned
6 rail clip components
61 external track blocks
62 insulation tanks
63 internal track blocks
631 internal track block guidees
632 internal track block pin shafts
64 fasteners
7 support arms
8 supporting beam components
81 bearing plates
82 gussets
83 channel steels
84 stiffening plates
85 idler wheels
86 roller shafts
87 guidees
9 tripping spring components
91 tripping spring seats
92 inner springs
93 outer springs
94 spring levers
10 braking rails
11 wheels
12 stock rails
13 hydraulically locking devices
14 series connection clamping plates
Claims (5)
1. a kind of hydraulically locking device, including cylinder component (3), reversal valve (1), check valve (2), piston rod assembly (4), oil cylinder group
Part (3) includes the closed cylinder body (32) filled with hydraulic oil, and piston rod assembly (4) includes piston of the limit in cylinder body (32)
Bar (41) and piston (44), it is characterised in that: further include return spring assembly (5), return spring assembly (5) includes being arranged in work
The reset spring (52) of return spring holder (53), limit between cylinder body (32) and return spring holder (53) on stopper rod (41)；
Cylinder body is separated into two oil pockets by piston (44), passes through the reversal valve (1) and list of setting outside in cylinder body (32) between two oil pockets
It is connected to valve (2).
2. hydraulically locking device according to claim 1, it is characterised in that: piston rod (41) and tripping spring component (9) are held in the mouth
It connects, tripping spring component (9) includes the tripping spring group of tripping spring seat (91), limit on tripping spring seat (91).
3. hydraulically locking device according to claim 2, it is characterised in that: tripping spring group includes outer spring (93) and interior bullet
Spring (92).
4. hydraulically locking device according to claim 2, it is characterised in that: the rigidity of reset spring (52) is less than tripping spring
Group.
5. hydraulically locking device according to claim 4, it is characterised in that: the rigidity of reset spring (52) is tripping spring group
5% ~ 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920065914.4U CN209617154U (en) | 2019-01-16 | 2019-01-16 | Hydraulically locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920065914.4U CN209617154U (en) | 2019-01-16 | 2019-01-16 | Hydraulically locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209617154U true CN209617154U (en) | 2019-11-12 |
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ID=68449972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920065914.4U Active CN209617154U (en) | 2019-01-16 | 2019-01-16 | Hydraulically locking device |
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| Country | Link |
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| CN (1) | CN209617154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927759A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Hydraulically locking device |
-
2019
- 2019-01-16 CN CN201920065914.4U patent/CN209617154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927759A (en) * | 2019-01-16 | 2019-06-25 | 沈阳中铁安全设备有限责任公司 | Hydraulically locking device |
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