CN204433082U - A kind of double-layer folding formula plane draw bar - Google Patents
A kind of double-layer folding formula plane draw bar Download PDFInfo
- Publication number
- CN204433082U CN204433082U CN201420850423.8U CN201420850423U CN204433082U CN 204433082 U CN204433082 U CN 204433082U CN 201420850423 U CN201420850423 U CN 201420850423U CN 204433082 U CN204433082 U CN 204433082U
- Authority
- CN
- China
- Prior art keywords
- draw bar
- bar shaft
- shaft
- hollow cylinder
- fixed
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of double-layer folding formula plane draw bar, comprise draw bar shaft a, one end of draw bar shaft a is connected with draw gear, the below of draw bar shaft a one end is provided with Universal castor, draw bar shaft a is provided with multiple perforation, draw bar shaft a is provided with fixing wheel disc, fixing wheel disc is fixed on arc connector, arc connector is bolted in adjacent perforation, the two ends, upper surface of draw bar shaft a are provided with Support bracket, Support bracket is fixed with draw bar shaft b, the other end of draw bar shaft a is provided with vortex screw lifting mechanism, the hand crank of vortex screw lifting mechanism is provided with bearing circle, the other end port of draw bar shaft a is provided with quick coupling, novel structure of the present utility model is unique, operates quick and convenient, easily can reach the object of height fine adjusting function, not only save manpower, also improve the efficiency of work, avoids professional simultaneously and to show up maintenance, also reduce cost of product.
Description
Technical field
The utility model relates to a kind of aircraft draw bar, particularly relates to a kind of double-layer folding formula plane draw bar specifically.
Background technology
Military aircraft limits due to service life of aeroengine, all driving engine can be extinguished before landing, land by gliding, and the military secret after landing or the military secret before taking off need be shifted by draw gear, traditional draw bar adopts a draw bar shaft, and draw gear is set on draw bar shaft, such device is operationally very dumb, and meeting at substantial manpower when using, extremely inconvenient in the transport of battlefield, and traditional draw bar adopts hydraulic pump drive usually, and the control of Hydraulic Pump also has employing shaking or electrodynamic type, adopt shaking hydraulic pump drive, hand crank is very long, the careless radome just encountering aircraft, very inconvenient, if encounter radome for avoiding encountering hand crank, hand crank size is changed little, but like this can be very painstaking when shaking, and force pump and hydraulic actuating cylinder are easy to the problem occurring leakage of oil, especially be in the winter time easy to distortion with rubber zero RunddichtringO in summer and cause leakage, very loaded down with trivial details again when changing after leakage of oil, generally just need change whole pump, be not only improve replacement cost like this, and it is extremely inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of double-layer folding formula plane draw bar, and novel structure of the present utility model is unique, operates quick and convenient, saves manpower, increases work efficiency, saved cost.
In order to solve the problem existing for background technology, the utility model by the following technical solutions:
A kind of double-layer folding formula plane draw bar, comprise draw bar shaft a, one end of described draw bar shaft a is connected with draw gear, the below of described draw bar shaft a one end is provided with Universal castor, described draw bar shaft a is provided with multiple perforation, draw bar shaft a is provided with fixing wheel disc, fixing wheel disc is fixed on arc connector, arc connector is bolted in adjacent perforation, the two ends, upper surface of described draw bar shaft a are provided with Support bracket, described Support bracket is fixed with draw bar shaft b, the other end of described draw bar shaft a is provided with vortex screw lifting mechanism, the hand crank of described vortex screw lifting mechanism is provided with bearing circle, the other end port of described draw bar shaft a is provided with quick coupling.
Described draw gear includes hollow cylinder pipe link, the upper and lower end face of described hollow cylinder pipe link shaft one end offers slotted eye, described slotted eye at grade, bolt is provided with between upper and lower slotted eye, make hollow cylinder pipe link can be stabilized on draw bar shaft a, the two sides of described hollow cylinder pipe link are provided with the mounting hole of more than 2, bearing rod is provided with in described mounting hole, bearing rod is fixed on hollow cylinder pipe link by nut, described bearing rod two ends are fixed with clamping plate respectively by bolt, one end of clamping plate described in two has been bolted U-shaped draw gear, described U-shaped draw gear is arranged with and buckles, the upper end of described hollow cylinder pipe link is provided with bracing member, bracing member is provided with pulley, hauling rope is made to pass through pulley, wheel disc is connected with the wheel of aircraft.
Described draw bar shaft b is hollow cylinder, one end of draw bar shaft b is provided with quick coupling interface, the both sides of draw bar shaft b one end are provided with anchor fitting, the side of anchor fitting is provided with fixed block, fixed block is offered porose, anchor fitting can be fixed on fixed block by bolt, make anchor fitting by fastening for draw bar shaft a and draw bar shaft b, when avoiding dragging, two draw bar shafts built on the sand, ensure that the dilatory intensity of draw bar, the upper end of described draw bar shaft b one end is provided with handle, the other end of described draw bar shaft b is connected with drawing head, drawing head is bolted on draw bar shaft b, below inside the draw bar shaft b other end is provided with rolling wheel support frame, the two ends of the lower surface of rolling wheel support frame are respectively equipped with universal rolling wheel.
Described quick coupling is the hollow cylinder joint that middle part circumference offers circular arc groove, in circular arc groove, upper and lower sides offers communication port, can dock with draw bar shaft b and through communication port, draw bar shaft b is connected with draw bar shaft a by bolt, the circular arc groove that quick coupling is offered makes the fixed jaw of anchor fitting can be fastened in circular arc groove, and draw bar shaft b and draw bar shaft a is fastenedly connected.
Draw bar shaft a described in the utility model, draw bar shaft b employing caliber is the 30 chromium manganese silicone tubes of 127, the basis of proof strength alleviates overall weight, improves the convenient transportation of transition in wartime.
The utility model beneficial effect: novel structure of the present utility model is unique, operate quick and convenient, easily can reach the object of height fine adjusting function, not only save manpower, also improve the efficiency of work, avoid professional to show up maintenance simultaneously, also reduce cost of product, the technique that have employed quick coupling of draw bar connection mode innovation, make the attended operation originally needing 3-4 people to carry out, 1 people just can easily complete, and has installed anchor fitting additional in this joint, more stable after draw bar is connected, also assures that its dilatory intensity.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model draw bar shaft b part-structure schematic diagram;
Fig. 3 is the utility model draw gear part-structure schematic diagram;
Fig. 4 is the utility model quick coupling part-structure schematic diagram;
Fig. 5 is the utility model quick coupling part-structure plan sketch;
Fig. 6 is utility model works structural representation;
Fig. 7 is utility model works structural representation;
Fig. 8 is the utility model plan front view;
Fig. 9 is the utility model top plan view.
Detailed description of the invention
A kind of double-layer folding formula plane draw bar, comprise draw bar shaft a1, one end of described draw bar shaft a1 is connected with draw gear 2, the below of described draw bar shaft a1 one end is provided with Universal castor 3, described draw bar shaft a1 is provided with multiple perforation 4, draw bar shaft a is provided with fixing wheel disc 5, fixing wheel disc 5 is fixed on arc connector 51, arc connector 51 is bolted in adjacent perforation 4, arc connector 51 can move according to actual needs and fix on draw bar shaft a1, the two ends, upper surface of described draw bar shaft a1 are provided with Support bracket 6, Support bracket 6 is that two arcuate members 61 are connected by folding hinge and wherein an arcuate member is fixed on pressure pin 62, two arcuate member 61 opposite sides are equipped with connecting strap 63, connecting strap 63 is offered porose, by bolt, two arcuate members 61 are fixed, thus draw bar shaft b7 is fixed, described Support bracket 6 is fixed with draw bar shaft b7, the other end of described draw bar shaft a1 is provided with vortex screw lifting mechanism 8, the hand crank of described vortex screw lifting mechanism 8 is provided with bearing circle 9, the other end port of described draw bar shaft a1 is provided with quick coupling 10.
Described draw gear 2 includes hollow cylinder pipe link 11, the upper and lower end face of described hollow cylinder pipe link 11 shaft one end offers slotted eye 12, described slotted eye 12 at grade, bolt is provided with between upper and lower slotted eye 12, make hollow cylinder pipe link 11 can be stabilized on draw bar shaft a1, the two sides of described hollow cylinder pipe link 11 are provided with the mounting hole 13 of more than 2, bearing rod 14 is provided with in described mounting hole 13, bearing rod 14 is fixed on hollow cylinder pipe link 11 by nut, described bearing rod 14 two ends are fixed with clamping plate 15 respectively by bolt, one end of clamping plate 15 described in two has been bolted U-shaped draw gear 16, described U-shaped draw gear 16 is arranged with and buckles 17, the upper end of described hollow cylinder pipe link 11 is provided with bracing member 18, bracing member 18 is provided with pulley 19, make hauling rope can by pulley 19, fixing wheel disc 5 is connected with the wheel of aircraft.
Described draw bar shaft b7 is hollow cylinder, one end of draw bar shaft b7 is provided with quick coupling interface 20, the both sides of draw bar shaft b7 one end are provided with anchor fitting 21, the side of anchor fitting 21 is provided with fixed block 22, fixed block 22 offers porose 23, anchor fitting 21 can be fixed on fixed block 22 by bolt, make anchor fitting 21 by fastening for draw bar shaft a1 and draw bar shaft b7, when avoiding dragging, two draw bar shafts built on the sand, ensure that the dilatory intensity of draw bar, the upper end of described draw bar shaft b7 one end is provided with handle 24, the other end of described draw bar shaft b7 is connected with drawing head 25, drawing head 25 is bolted on draw bar shaft b7, below inside the draw bar shaft b7 other end is provided with rolling wheel support frame 26, the two ends of the lower surface of rolling wheel support frame 26 are respectively equipped with universal rolling wheel 27.
Described quick coupling 10 offers the hollow cylinder joint of circular arc groove 28 for middle part circumference, in circular arc groove 28, upper and lower sides offers communication port 29, can dock with draw bar shaft b7 and through communication port 29, draw bar shaft b7 is connected with draw bar shaft a1 by bolt, the circular arc groove 28 that quick coupling 10 is offered makes the fixed jaw 30 of anchor fitting 21 can be fastened in circular arc groove 28, and draw bar shaft b7 and draw bar shaft a1 is fastenedly connected.
Claims (4)
1. a double-layer folding formula plane draw bar, it is characterized in that: comprise draw bar shaft a, one end of described draw bar shaft a is connected with draw gear, the below of described draw bar shaft a one end is provided with Universal castor, described draw bar shaft a is provided with multiple perforation, draw bar shaft a is provided with fixing wheel disc, fixing wheel disc is fixed on arc connector, arc connector is bolted in adjacent perforation, the two ends, upper surface of described draw bar shaft a are provided with Support bracket, described Support bracket is fixed with draw bar shaft b, the other end of described draw bar shaft a is provided with vortex screw lifting mechanism, the hand crank of described vortex screw lifting mechanism is provided with bearing circle, the other end port of described draw bar shaft a is provided with quick coupling.
2. a kind of double-layer folding formula plane draw bar according to claim 1, it is characterized in that: described draw gear includes hollow cylinder pipe link, the upper and lower end face of described hollow cylinder pipe link shaft one end offers slotted eye, described slotted eye at grade, bolt is provided with between upper and lower slotted eye, the two sides of described hollow cylinder pipe link are provided with the mounting hole of more than 2, bearing rod is provided with in described mounting hole, bearing rod is fixed on hollow cylinder pipe link by nut, described bearing rod two ends are fixed with clamping plate respectively by bolt, one end of clamping plate described in two has been bolted U-shaped draw gear, described U-shaped draw gear is arranged with and buckles, the upper end of described hollow cylinder pipe link is provided with bracing member, bracing member is provided with pulley.
3. a kind of double-layer folding formula plane draw bar according to claim 1, it is characterized in that: described draw bar shaft b is hollow cylinder, one end of draw bar shaft b is provided with quick coupling interface, the both sides of draw bar shaft b one end are provided with anchor fitting, the side of anchor fitting is provided with fixed block, fixed block is offered porose, the upper end of described draw bar shaft b one end is provided with handle, the other end of described draw bar shaft b is connected with drawing head, drawing head is bolted on draw bar shaft b, below inside the draw bar shaft b other end is provided with rolling wheel support frame, the two ends of the lower surface of rolling wheel support frame are respectively equipped with universal rolling wheel.
4. a kind of double-layer folding formula plane draw bar according to claim 1, is characterized in that: described quick coupling is the hollow cylinder joint that middle part circumference offers circular arc groove, and in circular arc groove, upper and lower sides offers communication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850423.8U CN204433082U (en) | 2014-12-27 | 2014-12-27 | A kind of double-layer folding formula plane draw bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850423.8U CN204433082U (en) | 2014-12-27 | 2014-12-27 | A kind of double-layer folding formula plane draw bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204433082U true CN204433082U (en) | 2015-07-01 |
Family
ID=53600984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850423.8U Withdrawn - After Issue CN204433082U (en) | 2014-12-27 | 2014-12-27 | A kind of double-layer folding formula plane draw bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204433082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554818A (en) * | 2014-12-27 | 2015-04-29 | 淮南皖淮机电股份有限公司 | Double-layer folded aircraft traction rod |
| CN113086236A (en) * | 2021-06-09 | 2021-07-09 | 北京安达维尔航空设备有限公司 | Foldable storage type multi-machine type universal traction rod |
-
2014
- 2014-12-27 CN CN201420850423.8U patent/CN204433082U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554818A (en) * | 2014-12-27 | 2015-04-29 | 淮南皖淮机电股份有限公司 | Double-layer folded aircraft traction rod |
| CN104554818B (en) * | 2014-12-27 | 2016-08-24 | 淮南皖淮机电股份有限公司 | A kind of double-layer folding formula plane draw bar |
| CN113086236A (en) * | 2021-06-09 | 2021-07-09 | 北京安达维尔航空设备有限公司 | Foldable storage type multi-machine type universal traction rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |