Airplane short wave copper cable antenna traction device and method

Abstract

The invention belongs to the technical field of aircraft radio communication system design, and particularly relates to an aircraft short wave copper cable antenna traction device and method. The device comprises a handle 1, a brake clamping piece 2, a first semicircular rotating shaft 3, a second semicircular rotating shaft 4, a ratchet wheel 6, a safety pin 7, a base 8 and a limiting blocking piece 9. The first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are fixed between the movable handle 1 and the base 8 to form a ratchet shaft, and the upper ends and the lower ends of the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are fixed through the safety pins 7 respectively. A ratchet 6 is arranged between each ratchet shaft and each safety pin 7; the upper end and the lower end of the handle 1 are each provided with a first inclined sliding groove 13, and the brake clamping pieces 2 freely slide in the first inclined sliding grooves 13. Second inclined sliding grooves 14 are formed in the upper end and the lower end of the base 8 respectively, and the limiting blocking pieces 9 freely slide in the second inclined sliding grooves 14.

Description

Technical Field

[0001] The invention belongs to the technical field of aircraft radio communication system design, and in particular relates to an aircraft short-wave copper cable antenna traction device and method. Background Art

[0002] The shortwave copper cable antenna is an antenna used to receive and transmit shortwave signals in radio communications. It is widely used in the aviation field and is a key component of the aircraft communication system. The copper cable antenna has the advantages of stable performance, high efficiency and simple structure, so it is widely used in long-distance communication equipment. The aircraft shortwave communication antenna is installed on the left and right sides of its spine, one end is connected to the front edge of the vertical stabilizer of the aircraft, and the other end is connected to the copper cable column steel cable on the left and right sides of the top of the aircraft cockpit. Figure 1 shown.

[0003] Since the copper cable antenna is installed outside the body, it is frequently installed and maintained. On site, the existing copper cable antenna tooling is complex to install, difficult to operate, and has low precision, which increases the workload of installation and is prone to damage to the antenna and the column during the installation process. During field installation and maintenance, the copper cable antenna tooling is large in size and weight, and is not convenient to carry and operate. Therefore, it is necessary to design a safe, labor-saving, easy-to-carry, easy-to-operate, and high-precision copper cable antenna traction device. Summary of the invention

[0004] Technical problem solved by the present invention: The purpose of the present invention is to provide an aircraft shortwave copper cable antenna traction device, which overcomes the shortcomings of the existing copper cable tensioner, such as complex operation, difficulty in carrying, easy to pull the antenna off, easy to clamp the copper cable column, etc., and realizes a simple operation, easy to carry, safe and convenient aircraft shortwave copper cable antenna traction device. The new copper cable antenna traction device is small in size, light in weight, easy to carry, simple to operate, very convenient to use in special environments of the aircraft body, and will not cause damage to the aircraft body, copper cable antenna and fixed column. At the same time, it can also tighten and fasten other steel cables and cables. It is a very labor-saving, convenient and multi-purpose operating tool.

[0005] The technical solution of the present invention:

[0006] On the one hand, the present invention provides an aircraft shortwave copper cable antenna traction device, the device comprising: a handle 1, a brake card 2, a first semicircular rotating shaft 3, a second semicircular rotating shaft 4, a ratchet 6, a safety pin 7, a base 8, and a limit stopper 9;

[0007] The first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are fixed between the movable handle 1 and the base 8 to form a ratchet shaft. The upper and lower ends of the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are respectively fixed by a safety pin 7;

[0008] A ratchet 6 is provided between the ratchet shaft and the safety pin 7;

[0009] The upper and lower ends of the handle 1 are respectively provided with first inclined slide grooves 13, and the brake card 2 slides freely in the first inclined slide grooves 13;

[0010] The upper and lower ends of the base 8 are respectively provided with second inclined sliding grooves 14 , and the limit blocking piece 9 slides freely in the second inclined sliding grooves 14 .

[0011] Furthermore, the device further comprises: an anti-wear pad 5;

[0012] The anti-wear pad 5 is arranged between the upper and lower ends of the handle 1 and the safety pin 7 .

[0013] Furthermore, the device further comprises: a circular shaft 10;

[0014] The circular shaft 10 is disposed between the upper and lower ends of the base 8 .

[0015] Furthermore, the device also includes: a traction belt 11 and a hook 12;

[0016] A gap is left between the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 to form a cassette slot, and the cassette slot is used to place one end of the traction belt 11, and the traction belt 11 is rotated and wound; the other end of the traction belt 11 is connected to the hook 12.

[0017] Furthermore, each side plate of the handle 1 has a flange 15 at the ratchet shaft, and the flange is higher than the ratchet 6 .

[0018] Furthermore, a spring is arranged between the brake card 2 and the handle 1, and the brake plate 2 is engaged with the ratchet 6 under the action of the spring force; a spring is arranged between the limit block plate 9 and the base 8, and the limit block plate 9 is engaged with the ratchet 6 under the action of the spring force to prevent the ratchet from rotating in the opposite direction.

[0019] On the other hand, the present invention also provides a method for pulling an aircraft shortwave copper cable antenna, the method being implemented by the device, the method comprising:

[0020] After the vertical tail end of the copper cable antenna is connected, the hook 12 on the traction device base 8 is hooked onto the copper cable on the copper cable column, and the brake end hook 12 of the traction device is hooked onto the copper cable antenna. When the handle 1 is pulled, the brake card 2 can engage the ratchet 6 to drive the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 to rotate, so that the ratchet shaft is wound around the traction belt 11 for tensioning. The limit block piece 9 on the base 8 can be automatically locked to prevent the ratchet from reversing and loosening. After being tightened to a suitable size, the copper cable screw sleeve is locked to install the copper cable antenna.

[0021] On the other hand, the present invention also provides a method for pulling an aircraft shortwave copper cable antenna, the method being implemented by the device, the method comprising:

[0022] To remove the traction belt: pull the brake card 2 outward to disengage it from the ratchet 6, then open the handle 1 to form a maximum angle with the base 8, and finally loosen the brake card 2 and put it into the inclined slide groove of the handle to disengage it from the ratchet 6; since the two side plates of the handle 1 each have a flange 15 at the ratchet shaft, and the flange is higher than the ratchet 6, when the handle 1 is opened to the maximum angle, the flange higher than the ratchet lifts the limit baffle 9, so that it also disengages from the gear of the ratchet 6, and the brake card 2 and the limit baffle 9 are disengaged at the same time, so that the ratchet shaft composed of the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 can rotate freely, thereby releasing the traction belt 11.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] Compared with the existing tooling, the aircraft shortwave copper cable antenna traction device of the present invention is low in cost and high in economic benefit; the device is simple to operate and convenient to use; it is safe and reliable in operation, does not cause damage to the antenna product, the antenna column and the body itself, and does not have quality problems; it conforms to the principle of ergonomics, is simple to operate and convenient to maintain, greatly improves work efficiency in actual use, and saves work time; a 0.5mm thick steel plate is used to process the groove-shaped workpiece (handle 1), (handle 1, base 8) consists of an upper and lower part, and the handle part is covered with a rubber cover to prevent abrasion to the hand during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Installation diagram of aircraft shortwave communication antenna Figure 1 ;

[0026] Figure 2 Installation diagram of aircraft shortwave communication antenna Figure 2 ;

[0027] Figure 3 Installation diagram of aircraft shortwave communication antenna Figure 3 ;

[0028] Figure 4 It is a structural schematic diagram of a traction device for an aircraft shortwave copper cable antenna;

[0029] Figure 5 The present invention is a schematic diagram of a traction belt and a hook in a traction device for an aircraft shortwave copper cable antenna. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0031] The present invention provides a traction device for an aircraft shortwave copper cable antenna, which comprises: a handle 1, a brake card 2, a first semicircular rotating shaft 3, a second semicircular rotating shaft 4, a ratchet 6, a safety pin 7, a base 8, and a limit baffle 9; the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are fixed between a movable handle 1 and the base 8 to form a ratchet shaft, and the upper and lower ends of the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 are respectively fixed by a safety pin 7; a ratchet 6 is respectively arranged between the ratchet shaft and the safety pin 7; the upper and lower ends of the handle 1 are respectively arranged with a first inclined slide groove 13, and the brake card 2 slides freely in the first inclined slide groove 13; the upper and lower ends of the base 8 are respectively arranged with a second inclined slide groove 14, and the limit baffle 9 slides freely in the second inclined slide groove 14.

[0032] The device further comprises: an anti-wear pad 5 ; the anti-wear pad 5 is arranged between the upper and lower ends of the handle 1 and the safety pin 7 .

[0033] The device further comprises: a circular shaft 10 ; the circular shaft 10 is arranged between the upper and lower ends of the base 8 .

[0034] The device also includes: a traction belt 11, a hook 12; a gap is left between the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 to form a cassette slot, the cassette slot is used to place one end of the traction belt 11, and the traction belt 11 is rotated and wound; the other end of the traction belt 11 is connected to the hook 12.

[0035] The two side plates of the handle 1 each have a flange 15 at the ratchet shaft, and the flange is higher than the ratchet 6 .

[0036] A spring is arranged between the brake card 2 and the handle 1, and the brake plate 2 is engaged with the ratchet 6 under the action of the spring force; a spring is arranged between the limit block plate 9 and the base 8, and the limit block plate 9 is engaged with the ratchet 6 under the action of the spring force to prevent the ratchet from rotating in the opposite direction.

[0037] The present invention also provides a method for pulling an aircraft shortwave copper cable antenna, which is implemented by using the device, and comprises:

[0038] After the vertical tail end of the copper cable antenna is connected, the hook 12 on the traction device base 8 is hooked onto the copper cable on the copper cable column, and the brake end hook 12 of the traction device is hooked onto the copper cable antenna. When the handle 1 is pulled, the brake card 2 can engage the ratchet 6 to drive the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 to rotate, so that the ratchet shaft is wound around the traction belt 11 for tensioning. The limit block piece 9 on the base 8 can be automatically locked to prevent the ratchet from reversing and loosening. After being tightened to a suitable size, the copper cable screw sleeve is locked to install the copper cable antenna.

[0039] The present invention also provides a method for pulling an aircraft shortwave copper cable antenna, which is implemented by using the device, and comprises:

[0040] To remove the traction belt: pull the brake card 2 outward to disengage it from the ratchet 6, then open the handle 1 to form a maximum angle with the base 8, and finally loosen the brake card 2 and put it into the inclined slide groove of the handle to disengage it from the ratchet 6; since the two side plates of the handle 1 each have a flange 15 at the ratchet shaft, and the flange is higher than the ratchet 6, when the handle 1 is opened to the maximum angle, the flange higher than the ratchet lifts the limit baffle 9, so that it also disengages from the gear of the ratchet 6, and the brake card 2 and the limit baffle 9 are disengaged at the same time, so that the ratchet shaft composed of the first semicircular rotating shaft 3 and the second semicircular rotating shaft 4 can rotate freely, thereby releasing the traction belt 11.

[0041] The embodiment of the present invention provides a shortwave copper cable antenna traction device for an aircraft, such as Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, it includes: a handle 1, a brake card 2, a semicircular rotating shaft 3, 4, an anti-wear pad 5, a ratchet 6, a safety pin 7, a base 8, a limit stopper 9, a round shaft 10, a traction belt 11, and a hook 12. The two side plates are respectively provided with inclined slide grooves (13 and 15), in which the brake card 2 can slide; a spring is provided between the brake card 2 and the handle 1, and the brake pad 2 is meshed with the ratchet 6 under the action of the spring force; the semicircular rotating shaft 3, 4 is composed of two pieces, and the two semicircular rotating shafts are fixed between the movable handle 1 and the base 8 to form a ratchet shaft, and a gap is left between the two semicircular rotating shafts to form a cassette groove, and the cassette groove is used to put the traction belt 11 for rotation and winding; the anti-wear pad 5 (one piece each on the upper and lower sides) is a pad between the brake handle and the safety pin to prevent wear on the outer shell of the handle 1; the ratchet 6 (one piece each on the upper and lower sides) has two teeth. The two semicircular shafts combined form a ratchet; the safety pins 7 (one each at the top and bottom) are used to fix the two semicircular shafts to prevent the shafts from falling out; the base 8 is used to install the ratchet and the semicircular shaft, as well as to install the limit baffle 9, the two sides of which are arranged on the inclined slide grooves 14 to extend the sliding; the limit baffle is combined with a return spring, and is engaged with the ratchet through the force of the spring; a spring is arranged between the limit baffle 9 and the base, and is engaged with the ratchet through the force of the spring to prevent the ratchet from rotating in the opposite direction, thereby playing an anti-slip and anti-slip role; the round shaft 10 connects the base and the ratchet combination as a whole, and the round shaft can fix one end of the traction belt with a hook; the other end of the traction belt 11 is fixed to the hook 12;

[0042] After the vertical tail end of the copper cable antenna is connected, the hook 12 on the traction device base 8 is hooked to the copper cable on the copper cable column, and the brake end hook 12 of the traction device is hooked to the copper cable antenna. When the movable handle 1 is pulled, the brake card 2 can engage the ratchet to drive the shafts 3 and 4 to rotate, so that the ratchet shaft is wound around the traction belt 11 for tightening, and the limit stopper 9 on the base 8 can be automatically locked to prevent the ratchet from reversing and loosening. After being tightened to a suitable size, the copper cable screw sleeve is locked to install the copper cable antenna;

[0043] Removing the traction belt: pull the brake card 2 outward to disengage it from the ratchet 6, then open the movable handle 1 to the level with the base 8, and finally loosen the brake card 2 and put it into the card slot of the side plate of the base to disengage it from the ratchet 6; since the two side plates of the movable handle 1 each have a flange 15 at the ratchet shaft, and the flange is higher than the ratchet of the ratchet 6, when the brake handle is opened to the horizontal position, the flange higher than the ratchet lifts the limit block 9 to disengage it from the gear of the ratchet 6, and the brake card 2 and the limit block 9 are disengaged at the same time, so that the ratchet shaft composed of the two semicircular shafts 3 and 4 can rotate freely, thereby releasing the traction belt 11;

[0044] Since copper cable antennas have the advantages of stable performance, high efficiency and simple structure, they are widely used in long-distance communication equipment. The aircraft shortwave communication antenna is installed on the left and right sides of its spine, one end is connected to the front edge of the aircraft's vertical stabilizer, and the other end is connected to the copper cable column steel cables on the left and right sides of the top of the aircraft cockpit. The installation process is to first connect one end of the copper cable antenna to the ear piece on the front edge of the aircraft's vertical stabilizer, and the other end needs to be straightened with a traction device with a certain pulling force, and then connected to the steel cable on the copper cable column at the head of the aircraft through the copper cable screw sleeve, and finally install the copper index lead-in wire on the terminal of the copper cable antenna insulator porcelain bottle to complete the installation of the shortwave copper cable antenna.

Claims

1. An aircraft shortwave copper cable antenna traction device, characterized in that: The device comprises: a handle (1), a brake card (2), a first semicircular rotating shaft (3), a second semicircular rotating shaft (4), a ratchet (6), a safety pin (7), a base (8), and a limit stopper (9); The first semicircular rotating shaft (3) and the second semicircular rotating shaft (4) are fixed between the movable handle (1) and the base (8) to form a ratchet shaft, and the upper and lower ends of the first semicircular rotating shaft (3) and the second semicircular rotating shaft (4) are fixed by a safety pin (7) respectively; A ratchet wheel (6) is arranged between the ratchet shaft and the safety pin (7); The upper and lower ends of the handle (1) are respectively provided with first inclined slide grooves (13), and the brake card (2) slides freely in the first inclined slide grooves (13); The upper and lower ends of the base (8) are respectively provided with second inclined sliding grooves (14), and the limit blocking piece (9) slides freely in the second inclined sliding grooves (14).

2. The aircraft shortwave copper cable antenna traction device according to claim 1, characterized in that: The device further comprises: an anti-wear pad (5); The anti-wear pad (5) is arranged between the upper and lower ends of the handle (1) and the safety pin (7).

3. The aircraft shortwave copper cable antenna traction device according to claim 1, characterized in that: The device further comprises: a circular shaft (10); The circular shaft (10) is arranged between the upper and lower ends of the base (8).

4. The aircraft shortwave copper cable antenna traction device according to claim 3, characterized in that: The device further comprises: a traction belt (11) and a hook (12); A gap is left between the first semicircular rotating shaft (3) and the second semicircular rotating shaft (4) to form a tape slot, and the tape slot is used to place one end of the traction belt (11), and the traction belt (11) is rotated and wound; the other end of the traction belt (11) is connected to the hook (12).

5. The aircraft shortwave copper cable antenna traction device according to claim 3, characterized in that: The two side plates of the handle (1) each have a flange (15) at the ratchet shaft, and the flange is higher than the ratchet (6).

6. The aircraft shortwave copper cable antenna traction device according to claim 4, characterized in that: A spring is arranged between the brake card (2) and the handle (1), and the brake plate (2) is meshed with the ratchet (6) under the action of the spring force; a spring is arranged between the limit stopper (9) and the base (8), and the limit stopper (9) is meshed with the ratchet (6) under the action of the spring force to prevent the ratchet from rotating in the opposite direction.

7. A method for pulling an aircraft shortwave copper cable antenna, characterized in that: The method is implemented by using a device as described in any one of claims 1 to 6, and the method comprises: After the vertical tail end of the copper cable antenna is connected, the hook (12) on the traction device base (8) is hooked to the copper cable on the copper cable column, and the hook (12) at the brake end of the traction device is hooked to the copper cable antenna. When the handle (1) is pulled, the brake card (2) can engage the ratchet (6) to drive the first semicircular rotating shaft (3) and the second semicircular rotating shaft (4) to rotate, so that the ratchet shaft is wound around the traction belt (11) to be tightened, and the limit stopper (9) on the base (8) can be automatically locked to prevent the ratchet from being reversed and loosened. After being tightened to a suitable size, the copper cable screw sleeve is locked to install the copper cable antenna.

8. A method for pulling an aircraft shortwave copper cable antenna, characterized in that: The method is implemented by using a device as described in any one of claims 1 to 6, and the method comprises: To disassemble the traction belt: pull the brake card (2) outward to disengage the ratchet (6), then open the handle (1) to form a maximum angle with the base (8), and finally loosen the brake card (2) and put it into the inclined slide groove of the handle to disengage the ratchet (6); since the two side plates of the handle (1) each have a flange (15) at the ratchet shaft, and the flange is higher than the ratchet (6), when the handle (1) is opened to the maximum angle, the flange higher than the ratchet lifts the limit stopper (9) to disengage the gear of the ratchet (6), and the brake card (2) and the limit stopper (9) are disengaged at the same time, so that the ratchet shaft composed of the first semicircular rotating shaft (3) and the second semicircular rotating shaft (4) can rotate freely, thereby releasing the traction belt (11).

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