CN207645758U - A kind of haulage gear - Google Patents
A kind of haulage gear Download PDFInfo
- Publication number
- CN207645758U CN207645758U CN201721721141.8U CN201721721141U CN207645758U CN 207645758 U CN207645758 U CN 207645758U CN 201721721141 U CN201721721141 U CN 201721721141U CN 207645758 U CN207645758 U CN 207645758U
- Authority
- CN
- China
- Prior art keywords
- rope
- air cavity
- balance air
- hold
- down support
- 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- Withdrawn - After Issue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
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- -1 Polytetrafluoroethylene ring Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Emergency Lowering Means (AREA)
Abstract
The utility model discloses a kind of haulage gears, it includes cylinder, moving piston, rope, hold-down support and balance air cavity, the cylinder is connected to via hold-down support with the balance air cavity, the rope being connected with the moving piston passes through the hold-down support and is brought out across the balance air cavity, the end walls and rope for blocking the balance air cavity are clearance fit, the hold-down support offers air inlet main line, for providing driving gas for the movement of moving piston, it is connected with air source pipeline on the balance air cavity, it is provided compensation gas always at the trial, so that the pressure of the Balance Air intracavitary is slightly larger than the pressure in the hold-down support always, the moving piston drives rope to make high-speed motion in cylinder under the action of driving gas.The utility model is simple in structure, is easy to overhaul and safeguard, and solves the problems, such as the dynamic sealing of rope perforation.
Description
Technical field
The utility model is related to a kind of connection structure, especially a kind of cable traction bindiny mechanism easy to disassemble.
Background technology
At present carrier-based aircraft take off boosting catapult-launching gear be steam ejection system, be mainly characterized by：A. it uses
Be open cylinder, strip band dynamic sealing；B. thrust is made using steam；C. piston is integrated with coaster.Its major defect
For：A. opening cylinder diameter is restricted that its thrust is also restrained, and cylinder bore has reached the limit；B. sealing is difficult, because
It is opening cylinder, sealing is sealed against item with the sealed knife on piston and sealed using strip band when piston advances
The opening position of cylinder carries out dynamic sealing.But because air pressure is high in cylinder, the technique to sealing device and sealing material requirement
It is high；C. maintenance is expensive, because opening cylinder is easy modification and long strip type sealing strip dynamic sealing loss greatly, service life
Short, the frequency that when use repairs is high.
It is therefore desirable to design a kind of rope towed haulage gear of silent cylinder form.
Invention content
The utility model provides a kind of novel traction mechanism, which can realize that piston is drawn under high pressure gas
Rope high-speed motion solves the sealing problem and piston maintenance issue of rope.
The haulage gear of the utility model includes cylinder, moving piston, rope, hold-down support and balance air cavity, the gas
Cylinder is connected to via hold-down support with the balance air cavity, and the rope being connected with the moving piston passes through the hold-down support
And be brought out across the balance air cavity, the end walls and rope for blocking the balance air cavity are clearance fit, the fixed branch
Seat offers air inlet main line, and for providing driving gas for the movement of moving piston, gas source pipe is connected on the balance air cavity
Road is provided compensation gas always at the trial, so that the pressure of the Balance Air intracavitary is slightly larger than the hold-down support always
In pressure, the moving piston drives rope to make high-speed motion in cylinder under the action of driving gas.
It is preferred that the hold-down support and the balance air cavity are cylindrical shape, the hold-down support diameter and the cylinder are straight
Diameter is identical, and one end is connect via flange with the cylinder seal, the other end via with middle through-hole switching large flange with
The balance air cavity connects, and sealing flange is equipped in the middle through-hole, and the rope passes through the centre bore of the sealing flange,
The center-hole diameter is bigger 1~2mm than the outer diameter of rope.
It is preferred that the other end of the balance air cavity is via small flange and the rope sleeve connection for protecting rope, the institute of transferring
Stating small flange of transferring, there is the middle through-hole of sealing flange cooperation installation, the sealing flange to be used for across the rope centre bore,
Diameter is bigger 1~2mm than the outer diameter of rope.
It is preferred that the sealing flange is the structure of two and half flanges docking.
The utility model has the following advantages that compared with prior art：
(1) dynamic sealing of rope perforation is solved the problems, such as；
(2) simple in structure, it is easy to overhaul and safeguards.
Description of the drawings
Fig. 1 is the utility model haulage gear composition schematic diagram；
Fig. 2 is the utility model sealing flange structural schematic diagram；
Fig. 3 is the utility model haulage gear assemble flow；
Fig. 4 is that the utility model haulage gear dismantles flow chart.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
It is haulage gear schematic diagram as shown in Figure 1, 2, as seen from the figure, a kind of haulage gear, including rope sleeve 1, rope
2, sealing flange 3, the small flange 4 of switching, balance air cavity 5, switching large flange 6, hold-down support 7, rope axis pin 8, moving piston 9 and
Cylinder 10；Wherein, hold-down support 7 is fixed with ground, and 7 one end of hold-down support is connect with switching large flange 6, the other end and cylinder 10
It is bolted, hold-down support 7 is provided with air inlet main line, and the movement for moving piston 9 provides air source；Rope sleeve 1 with turn
The connection of small flange 4 is connect, protection is provided for rope 2；The structure of sealing flange 3 is close as shown in Fig. 2, in order to assemble the convenience of rope 2
Envelope flange 3 has made the structure type of two and half flanges, and sealing flange 3 connects with the small flange 4 of switching and switching large flange 6 respectively
It connects, rope 2 is passed through from the centre bore of sealing flange 3, and the center-hole diameter of sealing flange 3 is bigger 1~2mm than the outer diameter of rope 2；It is flat
5 both ends of weighing apparatus air cavity are connect with the small flange 4 of switching and switching large flange 6 respectively, are balanced and are connected with air source pipeline on air cavity 5, are trying
Compensation gas is provided when testing；One end of moving piston 9 is connect with rope 2 by rope axis pin 8, the outer diameter and cylinder of moving piston 9
10 internal diameters are identical, and moving piston 9 drives rope 2 to make high-speed motion in cylinder 10 under the action of air source.
During experiment, external high pressure gas is acted on by hold-down support 7 on the end face of moving piston 9, pushes movement
Piston 9 makees high-speed motion in cylinder 10.Rope 2 is needed during the test across flange hole, and rope 2 be flexible body simultaneously
And uneven surface, so effective dynamic sealing can not be carried out between rope and flange perforation.During the test, perforation one side
It is there is the test cavity of elevated pressures and another side is environmental pressure, inside and outside differential pressure is very big, must will produce serious gas and let out
Leakage.In order to preferably reduce experiment during gas by the leakage in 2 periphery gap of rope, added in 7 one end of hold-down support
5 structure of air cavity is balanced, during the test the compressed air filled with certain pressure always, then hold-down support 7 and Balance Air
Pressure difference in chamber 5 will very little.In this way, during the test by the tolerance of loss balancing air cavity 5 can be effectively relieved by
The leakage of the effective working gas generated in rope perforation, improves test efficiency, saves the energy.
High-speed cruising, the position that moving piston 9 is contacted with cylinder 10 necessarily will produce moving piston 9 repeatedly in cylinder 10
Wear phenomenon, since 10 component of cylinder is larger and it is difficult to replace, so moving piston 9 is set to vulnerable part.Justify in moving piston 9
Polytetrafluoroethylene ring is installed, polytetrafluoroethylene (PTFE) has fabulous wear-resisting, high temperature resistance, if polytetrafluoro in the groove of circumferential direction
Ethylene ring finds the phenomenon that serious wear, it is only necessary to the material more renewed.
From fig. 1, it can be seen that the connection structure of moving piston 9 is more complicated, and hold-down support 7 is connect with balance air cavity 5, is torn open
It must be carried out in strict accordance with scheduled sequence when dress.It is as shown in Figure 3,4 that it dismounts flow.
The content not being described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (4)
1. a kind of haulage gear, it is characterised in that：It is described including cylinder, moving piston, rope, hold-down support and balance air cavity
Cylinder is connected to via hold-down support with the balance air cavity, and the rope being connected with the moving piston passes through the fixed branch
Seat is simultaneously brought out across the balance air cavity, and the end walls and rope for blocking the balance air cavity are clearance fit, the fixation
Bearing offers the air inlet main line for providing driving gas for the movement of moving piston, and air source is connected on the balance air cavity
Pipeline, air source pipeline is provided compensation gas always at the trial, so that the pressure of the Balance Air intracavitary is slightly larger than institute always
The pressure in hold-down support is stated, the moving piston drives rope to be moved in cylinder under the action of driving gas.
2. haulage gear as described in claim 1, it is characterised in that：The hold-down support and the balance air cavity are cylinder
Shape, the hold-down support diameter is identical as the cylinder bore, and one end is connect via flange with the cylinder seal, another
End is connect via the switching large flange with middle through-hole with the balance air cavity, is equipped with sealing flange in the middle through-hole, institute
The centre bore that rope passes through the sealing flange is stated, the center-hole diameter is bigger 1~2mm than the outer diameter of rope.
3. haulage gear as claimed in claim 2, it is characterised in that：The other end of the balance air cavity is via small flange of transferring
With the rope sleeve connection for protecting rope, the small flange of switching has the middle through-hole of sealing flange cooperation installation, described
Sealing flange passes through the rope centre bore, diameter bigger 1~2mm than the outer diameter of rope.
4. haulage gear as claimed in claim 2 or claim 3, it is characterised in that：The sealing flange is the docking of two and half flanges
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721721141.8U CN207645758U (en) | 2017-12-11 | 2017-12-11 | A kind of haulage gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721721141.8U CN207645758U (en) | 2017-12-11 | 2017-12-11 | A kind of haulage gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207645758U true CN207645758U (en) | 2018-07-24 |
Family
ID=62880148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721721141.8U Withdrawn - After Issue CN207645758U (en) | 2017-12-11 | 2017-12-11 | A kind of haulage gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207645758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915181A (en) * | 2017-12-11 | 2018-04-17 | 中国航天空气动力技术研究院 | A kind of haulage gear |
-
2017
- 2017-12-11 CN CN201721721141.8U patent/CN207645758U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915181A (en) * | 2017-12-11 | 2018-04-17 | 中国航天空气动力技术研究院 | A kind of haulage gear |
| CN107915181B (en) * | 2017-12-11 | 2024-05-03 | 中国航天空气动力技术研究院 | Traction mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180724 Effective date of abandoning: 20240503 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180724 Effective date of abandoning: 20240503 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |