CN202883539U - Lifting plunger cylinder structure of boarding bridge - Google Patents
Lifting plunger cylinder structure of boarding bridge Download PDFInfo
- Publication number
- CN202883539U CN202883539U CN 201220534002 CN201220534002U CN202883539U CN 202883539 U CN202883539 U CN 202883539U CN 201220534002 CN201220534002 CN 201220534002 CN 201220534002 U CN201220534002 U CN 201220534002U CN 202883539 U CN202883539 U CN 202883539U
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- China
- Prior art keywords
- plunger
- cylinder structure
- lifting rod
- plunger cylinder
- connecting bridge
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Abstract
The utility model discloses a lifting plunger cylinder structure of a boarding bridge. The lifting plunger cylinder structure of the boarding bridge comprises a plunger cylinder. A cavity body is arranged in the plunger cylinder, and the inner wall of a plunger cylinder end cover and the inner wall of a cylinder barrel have functions of supporting and guiding a plunger so that the plunger has good stability and a stress condition in the process of moving vertically. An integral oil circuit is arranged at the bottom of the plunger cylinder, a magnetic valve and a liquid control one-way valve are arranged on the oil circuit in an inserted mode, and the magnetic valve and the liquid control one-way valve are communicated with the cavity body through the integral oil circuit. The lifting plunger cylinder structure of the boarding bridge is simple in structure, easy to machine and good in manufacturability. The magnetic valve is arranged in the plunger cylinder, integrated with the plunger cylinder and communicated with the cavity body through the oil circuit, damage or leakage of an externally connected oil pipe can be greatly reduced so that a support function on the boarding bridge by a lifting device can not be lost, and an airplane door can be prevented from being damaged by accident.
Description
Technical field
The utility model relates to a kind of connecting bridge, particularly a kind of connecting bridge lifting rod plug cylinder structure.
Background technique
Connecting bridge is comprised of some sections telescopic passage sockets usually, when aircraft up and down during the passenger, can extend to the hatch door place of aircraft, and with it docking, so that passenger's aircraft in the airport park and terminal between shift, and the model of aircraft is different, and the height of its aircraft door also is different, therefore needs to adopt elevator mechanism to regulate the height of passage.
All be to adopt to use very widely piston type double-acting oil hydraulic cylinder basically in hydraulic elevating system, but this oil hydraulic cylinder is because cylinder hole requirement on machining accuracy is very high, cylinder barrel processing is limited by equipment and frock, and upper and lower have a hydraulic fluid port, and pipeline is longer, and piston need seal, piston rod also will seal, thereby structure is complicated, increases with stroke, difficulty of processing increases, so that manufacture cost is high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of connecting bridge lifting rod plug cylinder structure, connecting bridge lifting rod plug cylinder structure easy processing, good manufacturability; Simple in structure, sealing is reliable, make with safeguard easy.
The technological scheme that its technical problem that solves the utility model adopts is:
Connecting bridge lifting rod plug cylinder structure,
It is characterized in that: comprise
One plunger case is provided with cavity in the plunger case and plunger case is provided with guide sleeve,
One plunger, this plunger is arranged in the cavity, and cooperates with the slipper seal of guide sleeve inwall; The guide sleeve inwall is provided with supporting ring, and this supporting ring cooperates with the plunger slipper seal, and the plunger lower end is provided with guide ring, is slidingly matched with the plunger case inwall, and described plunger case leads by supporting ring and lower 2 supportings beyond the Great Wall of guide ring coupled columns,
One integrated oil path, be arranged at the bottom of the plunger case in,
One solenoid valve is arranged on the described integrated oil path, and solenoid valve links to each other with this oil circuit, thereby the control plunger rises and fast-descending,
One Pilot operated check valve is arranged on the described integrated oil path, and Pilot operated check valve links to each other with this oil circuit, and is arranged in parallel with solenoid valve, thereby the control plunger descends,
Be provided with some the first seal rings in the described guide sleeve,
Described guide sleeve is provided with a venting gas appliance.
An end is provided with the first joint shaft bearing at the bottom of the described plunger case, and described plunger one end is provided with the second joint bearing.
Be articulated with lower fixed seat on described the first joint shaft bearing; Be articulated with upper fixed seat on the described second joint bearing.
Described lower fixed seat comprises the first connecting plate, and the first connecting plate is provided with and relatively is provided with the first journal stirrup, and described the first joint shaft bearing is positioned between the first journal stirrup, and is articulated on the first journal stirrup by the first bearing pin.
The fixed seat comprises the second connecting plate, and the second connecting plate is provided with and relatively is provided with the second journal stirrup, and described second joint bearing is positioned between the second journal stirrup, and is articulated on the second journal stirrup by the second bearing pin.
Described the second connecting plate is provided with hanger.
Described venting gas appliance comprises a threaded insert, by opening this threaded insert, realizes exhaust.
The beneficial effects of the utility model are: the utility model comprises plunger case, be provided with cavity in the plunger case, the supporting leading role is played to plunger in two positions of plunger case end cap inwall and inner wall of cylinder, make plunger in the process of moving up and down, have good stability and stressing conditions, be provided with integrated oil path at the bottom of the plunger case, and plug-in mounting solenoid valve and Pilot operated check valve on oil circuit, described solenoid valve and Pilot operated check valve communicate with cavity by integrated oil path, said structure is simple, easy processing, good manufacturability, and solenoid valve is built in the plunger case and plunger case forms one, and communicate with cavity by integrated oil path, it is damaged or leak and cause the lowering or hoisting gear forfeiture to the supporting role of connecting bridge greatly to reduce external oil pipe, prevents accident and the wrap up gate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is that the utility model is applied to the topology view on the boarding bridge elevating mechanism;
Fig. 2 is half sectional view of the present utility model;
Fig. 3 is topology view of the present utility model;
Fig. 4 is the zoomed-in view of the A part of Fig. 3;
Fig. 5 is the zoomed-in view of the B part of Fig. 3;
Fig. 6 is that the Q of Fig. 2 is to view;
Fig. 7 is hydraulic schematic diagram of the present utility model.
Embodiment
Referring to figs. 1 through Fig. 7, the utility model discloses a kind of connecting bridge lifting rod plug cylinder structure, comprise a columniform plunger case 1, be provided with columniform cavity 2 in the plunger case 1, be provided with plunger 3 in the cavity 2, in order to make plunger 3 can pack into smoothly in the cavity 2 and to reduce difficulty of processing and assembling difficulty, plunger case 1 is assembled by three parts, comprise cylinder main body 4, guide sleeve 5 and plunger 3, guide sleeve 5 is threaded with cylinder main body 4, also a round nut is used for locking simultaneously, this structure can be good at guaranteeing the coaxality of guide sleeve 5 and plunger 3, and cavity 2 is made of cylinder main body 4 and guide sleeve 5 endoporus, for better sealing, guide sleeve 5 inwalls are provided with the second seal ring 6, thereby to the cooperation place enhanced leaktightness of guide sleeve 5 inwalls and cylinder main body 4 outer walls.Guide sleeve 5 inwalls are provided with supporting ring, and supporting ring is to the effect that has slided up and down the supporting guiding of plunger 3, and guide sleeve 5 cooperates with plunger 3 slipper seals.Plunger 3 is provided with guide ring 8, and plunger case 1 inwall and guide ring 8 are slidingly matched.In the said structure, plunger 3 only leads by guide ring 8 supportings, and need not realize sealing function, thereby the inwall of cylinder main body 4 does not need fine finishing.Like this cylinder main body 4 easy processings, this product integral body have good manufacturability, simple in structure, sealing is reliable, make with safeguarding and be easy to advantage, very suitable this lifting work stroke of connecting bridge is long and be the occasion of at right angle setting use.Certainly, in order to obtain better sealing effect, be provided with some the first seal rings on the inwall that guide sleeve 5 and plunger 3 are slidingly matched.Be provided with a threaded insert 23 at guide sleeve 5, by opening exhaust threaded insert 23, realize degassing function.The outlet valve that this kind exhaust structure is relatively traditional has simple in structurely, practical and convenient, seals reliable characteristics.
As shown in the figure, 1 end of plunger case, be provided with integrated oil path 9, solenoid valve 10 is installed on the integrated oil path 9 with Pilot operated check valve 11, and be arranged in parallel with solenoid valve and Pilot operated check valve 11, when solenoid valve 10 was opened, the hydraulic oil of hydraulic station output directly entered in the cavity 2 of plunger case 1 by solenoid valve 10 and integrated oil path 9, thereby top hydraulic plunger 3 protrudes upward, drive connected outer duct by plunger 3 and rise, thereby connecting bridge is risen; Stop oiling, 10 pairs of fluid one-way non-returns of solenoid valve, the hydraulic oil in the cavity 2 is played a supporting role to plunger 3; When from pumping plant output oil circuit control Pilot operated check valve 11 being opened, plunger 3 with the extrusion of the hydraulic oil in the cavity 2, thereby begins decline under self and the weight effect that is connected associated components thereon.
As shown in the figure, when running into the urgency of power failure, can open Pilot operated check valve 11 and finish the function of promptly falling bridge by hydraulic hand-pump pump oil, the speed of decline can also be regulated by the one-way throttle valve (not shown).When running into connecting bridge and need the situation of fast-descending, the utility model also can be realized: with solenoid valve 10 upper opening, open simultaneously fast-descending valve (not shown), fluid in the cavity 2 is under the effect of connecting bridge weight, and the fast-descending valve by solenoid valve 10 and large latus rectum flows back to rapidly fuel tank.And connecting bridge is when stopping bridge at ordinary times, and plunger 3 and connection associated components are thereon supported in the hydraulic oil non-return pressurize under the effect of Pilot operated check valve in the cavity 2, and connecting bridge can not descended.
Shown in Fig. 3,4 and 5,1 end one of plunger case end is provided with the first joint shaft bearing 12, and plunger 3 one ends are provided with second joint bearing 13; Be articulated with lower fixed seat 14 on the first joint shaft bearing 12; Be articulated with upper fixed seat 15 on the second joint bearing 13.
Lower fixed seat 14 comprises that the first connecting plate 16, the first connecting plates 16 are provided with and relatively is provided with the first journal stirrup 17 that described the first joint shaft bearing 12 is positioned at 17 of the first journal stirrups, and is articulated on the first journal stirrup 17 by the first bearing pin 18; Upper fixed seat 15 comprises that the second connecting plate 19, the second connecting plates 19 are provided with and relatively is provided with the second journal stirrup 20 that described second joint bearing 13 is positioned at 20 of the second journal stirrups, and is articulated on the second journal stirrup 20 by the second bearing pin 21.
The second connecting plate 19 is provided with hanger 22, and lifting usefulness is more convenient for assembling when being used for assembling.
Above-mentionedly just preferred embodiments more of the present utility model are illustrated and describe; but mode of execution of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (7)
1. connecting bridge lifting rod plug cylinder structure is characterized in that: comprise
One plunger case is provided with cavity in the plunger case and plunger case is provided with guide sleeve,
One plunger, this plunger is arranged in the cavity, and cooperates with the slipper seal of guide sleeve inwall; The guide sleeve inwall is provided with supporting ring, and this supporting ring cooperates with the plunger slipper seal, and the plunger lower end is provided with guide ring, is slidingly matched with the plunger case inwall, and described plunger case leads by supporting ring and lower 2 supportings beyond the Great Wall of guide ring coupled columns,
One integrated oil path, be arranged at the bottom of the plunger case in,
One solenoid valve is arranged on the described integrated oil path, and solenoid valve links to each other with this oil circuit, thereby the control plunger rises and fast-descending,
One Pilot operated check valve is arranged on the described integrated oil path, and Pilot operated check valve links to each other with this oil circuit, and is arranged in parallel with solenoid valve, thereby the control plunger descends,
Be provided with some the first seal rings in the described guide sleeve,
Described guide sleeve is provided with a venting gas appliance.
2. connecting bridge lifting rod plug cylinder structure according to claim 1, it is characterized in that: an end is provided with the first joint shaft bearing at the bottom of the described plunger case, and described plunger one end is provided with the second joint bearing.
3. connecting bridge lifting rod plug cylinder structure according to claim 2 is characterized in that: be articulated with lower fixed seat on described the first joint shaft bearing; Be articulated with upper fixed seat on the described second joint bearing.
4. connecting bridge lifting rod plug cylinder structure according to claim 3, it is characterized in that: described lower fixed seat comprises the first connecting plate, the first connecting plate is provided with and relatively is provided with the first journal stirrup, and described the first joint shaft bearing is positioned between the first journal stirrup, and is articulated on the first journal stirrup by the first bearing pin.
5. connecting bridge lifting rod plug cylinder structure according to claim 3, it is characterized in that: the fixed seat comprises the second connecting plate, the second connecting plate is provided with and relatively is provided with the second journal stirrup, and described second joint bearing is positioned between the second journal stirrup, and is articulated on the second journal stirrup by the second bearing pin.
6. connecting bridge lifting rod plug cylinder structure according to claim 5, it is characterized in that: described the second connecting plate is provided with hanger.
7. connecting bridge lifting rod plug cylinder structure according to claim 1, it is characterized in that: described venting gas appliance comprises a threaded insert, by opening this threaded insert, realizes exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534002 CN202883539U (en) | 2012-10-18 | 2012-10-18 | Lifting plunger cylinder structure of boarding bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534002 CN202883539U (en) | 2012-10-18 | 2012-10-18 | Lifting plunger cylinder structure of boarding bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883539U true CN202883539U (en) | 2013-04-17 |
Family
ID=48074972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220534002 Expired - Lifetime CN202883539U (en) | 2012-10-18 | 2012-10-18 | Lifting plunger cylinder structure of boarding bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883539U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996565A (en) * | 2012-10-18 | 2013-03-27 | 蒂森克虏伯机场系统(中山)有限公司 | Lifting plunger type cylinder structure of boarding bridge |
| CN104564886A (en) * | 2015-01-09 | 2015-04-29 | 佛山市鼎吉包装技术有限公司 | Integrated device of air hydraulic cylinder and electromagnetic valve |
| CN107420370A (en) * | 2017-06-14 | 2017-12-01 | 苏州赛易特环保科技有限公司 | A kind of cylinder component |
| CN114321080A (en) * | 2021-11-23 | 2022-04-12 | 江阴市洪腾机械有限公司 | Safety lock hydraulic cylinder |
-
2012
- 2012-10-18 CN CN 201220534002 patent/CN202883539U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996565A (en) * | 2012-10-18 | 2013-03-27 | 蒂森克虏伯机场系统(中山)有限公司 | Lifting plunger type cylinder structure of boarding bridge |
| CN104564886A (en) * | 2015-01-09 | 2015-04-29 | 佛山市鼎吉包装技术有限公司 | Integrated device of air hydraulic cylinder and electromagnetic valve |
| CN104564886B (en) * | 2015-01-09 | 2017-06-13 | 佛山市鼎吉包装技术有限公司 | A kind of integrating device of airdraulic actuator and magnetic valve |
| CN107420370A (en) * | 2017-06-14 | 2017-12-01 | 苏州赛易特环保科技有限公司 | A kind of cylinder component |
| CN114321080A (en) * | 2021-11-23 | 2022-04-12 | 江阴市洪腾机械有限公司 | Safety lock hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |