Locking clamp type radome lifting appliance

Abstract

The utility model provides a locking clamp type radome lifting appliance which comprises a three-point lifting rack fixedly mounted at the opening end of a radome, and the three-point lifting rack is connected with radome mounting holes in the inner wall of the opening end of the radome in a matched manner through three groups of spring stop pins respectively; the top end of the three-point lifting rack is connected with a first steel cable through a lifting bolt, and the other end of the first steel cable is connected with a lifting ring through a bow-shaped shackle; the other end side of the hanging ring is connected with a second steel cable through a bow-shaped shackle, the other end of the second steel cable is connected with a hoop assembly through a tensioning mechanism, and the hoop assembly is connected with a tail cylinder of the radome. The lifting appliance adopts a three-point lifting structure, and is matched with a mounting hole site of the radome, so that stable and reliable lifting operation of the radome is realized, and the labor intensity of operators is greatly reduced while the lifting safety is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft towing devices, and particularly relates to a locking clamp type radome sling. Background Art

[0002] During the overhaul and installation process of an aircraft radar, auxiliary hoisting is required. However, the outer shape structure of the radome is a conical cylinder structure, and there are no hanging points on the outer surface, so it is inconvenient to hang it; moreover, the aircraft radome is made of composite materials, with a large volume and high value. For many years, the disassembly and assembly work has mainly relied on manual labor, resulting in high labor intensity and certain safety hazards during the operation. Content of the Utility Model

[0003] The purpose of the utility model is to provide a locking clamp type radome sling. This sling adopts a three-point hoisting structure and realizes stable and reliable hoisting operation of the radome by cooperating with the mounting hole positions of the radome, greatly reducing the labor intensity of the operator while ensuring hoisting safety.

[0004] To achieve the above technical features, the purpose of the utility model is realized as follows: A locking clamp type radome sling includes a three-point hoisting hanger for fixedly installing at the open end of the radome. The three-point hoisting hanger is respectively connected with the radome mounting holes on the inner wall of the open end of the radome through three groups of spring stop pins; the top end of the three-point hoisting hanger is connected with a first steel cable through a ring screw, and the other end of the first steel cable is connected with a sling through a bow shackle; the other end side of the sling is connected with a second steel cable through a bow shackle, and the other end of the second steel cable is connected with a clamp assembly through a tensioning mechanism. The clamp assembly is connected with the tail cylinder of the radome.

[0005] The three-point hoisting hanger includes a cross beam. The two ends of the cross beam are processed with first pin holes for installing spring stop pins. The middle part at the top end of the cross beam is fixed with a column. Diagonal braces are fixed between the two sides of the column and the cross beam. A second pin hole is arranged at the upper part of the column. The top end of the column is fixed with a short column arranged vertically. The short column is processed with a vertically arranged hanging hole for installing a ring screw.

[0006] Reinforcing plates are fixed between the outer walls of the short column and the column.

[0007] Bushings are respectively installed at the positions where the first pin holes and the second pin shafts are located.

[0008] The tensioning mechanism includes a double-headed threaded sleeve. One end of the double-headed threaded sleeve is installed with a first screw seat through threaded cooperation, and the other end is installed with a second threaded seat through threaded cooperation.

[0009] The clamp assembly includes a clamp base. One end of the clamp base is hinged with a clamp upper cover through a first clamp pin shaft, and the other end of the clamp base is hinged with a union bolt through a second clamp pin shaft. A wing nut is installed at the top of the union bolt, and the wing nut presses against the top of the opening groove of the clamp upper cover. A cover plate is fixedly installed on the outer end face of the opening groove through a set screw.

[0010] Soft rubber pads are arranged on the inner side walls of the clamp base and the clamp upper cover.

[0011] Nuts are installed at the end parts of the first clamp pin shaft and the second clamp pin shaft.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model is installed through the three-point hoisting hanger and the mounting holes of the radome. The tip of the radome is wrapped and locked by a locking clamp to form a reliable hoisting hanging point, effectively completing the hoisting work of the composite material radome of a certain aircraft. While ensuring hoisting safety, it greatly reduces the labor intensity of the operators.

[0014] 2. The three-point hoisting hanger of the utility model is small in size and light in weight.

[0015] 3. The hoisting center of gravity of the utility model is adjustable and is adjusted by left and right rotation of the tensioning mechanism.

[0016] 4. The tip of the radome of the utility model is locked by a clamp with a cover plate, increasing safety. Description of the Drawings

[0017] The following further explains the utility model in conjunction with the drawings and embodiments.

[0018] Figure 1 It is a three-dimensional structure diagram of the utility model.

[0019] Figure 2 It is the front view of the utility model.

[0020] Figure 3 It is the right view of the utility model.

[0021] Figure 4 It is the three-dimensional view of the first perspective of the three-point hoisting hanger of the utility model.

[0022] Figure 5 It is the three-dimensional view of the second perspective of the three-point hoisting hanger of the utility model.

[0023] Figure 6 It is the front view of the three-point hoisting hanger of the utility model.

[0024] Figure 7 It is the three-dimensional structure diagram of the clamp assembly of the utility model.

[0025] Figure 8 This is the front view of the clamp assembly of the present utility model.

[0026] Figure 9 This is the right view of the clamp assembly of the present utility model.

[0027] Figure 10 This is the front view of the tensioning mechanism of the present utility model.

[0028] In the figure: radome 1, three-point lifting hanger 2, eye bolt 3, first steel cable 4, eyebolt 5, bow shackle 6, second steel cable 7, spring detent pin 8, clamp assembly 9, radome mounting hole 10, tail cylinder 11, tensioning mechanism 12;

[0029] Cross beam 201, first pin hole 202, brace 203, column 204, second pin hole 205, stiffening plate 206, short column 207, lifting hole 208;

[0030] First screw base 1201, double-headed threaded sleeve 1202, second threaded base 1203;

[0031] Clamp base 901, clamp upper cover 902, second clamp pin shaft 903, cover plate 904, soft rubber pad 905, union bolt 906, wing nut 907, opening groove 908, first clamp pin shaft 909, nut 910, set screw 911. Specific embodiments

[0032] The following further describes the embodiments of the present utility model with reference to the accompanying drawings.

[0033] See Figures 1-10 , a locking clamp type radome hoist, including a three-point lifting hanger 2 for fixedly installing at the opening end of the radome 1. The three-point lifting hanger 2 is respectively connected with the radome mounting holes 10 on the inner wall of the opening end of the radome 1 through three groups of spring detent pins 8; the top of the three-point lifting hanger 2 is connected with the first steel cable 4 through an eye bolt 3, and the other end of the first steel cable 4 is connected with the eyebolt 5 through a bow shackle 6; the other end side of the eyebolt 5 is connected with the second steel cable 7 through a bow shackle 6, and the other end of the second steel cable 7 is connected with the clamp assembly 9 through a tensioning mechanism 12, and the clamp assembly 9 is connected with the tail cylinder 11 of the radome 1. The present utility model is installed through the three-point lifting hanger and the radome mounting hole position, and the tip of the radome is wrapped and locked by a locking clamp to form a reliable lifting hanging point, effectively completing the lifting work of a certain aircraft composite material radome. In the specific use process, the three-point lifting hanger 2 is connected with the radome 1 through three groups of spring detent pins 8, and then the tip of the radome 1 is connected through the clamp assembly 9. Finally, the entire radome is lifted through the eyebolt 5.

[0034] Further, the three-point lifting hanger 2 includes a cross beam 201. Both ends of the cross beam 201 are processed with first pin holes 202 for installing spring stop pins 8. The middle part of the top end of the cross beam 201 is fixed with a column 204. Diagonal braces 203 are fixed between both sides of the column 204 and the cross beam 201. A second pin hole 205 is arranged at the upper part of the column 204. The top end of the column 204 is fixed with a short column 207 arranged vertically. A lifting hole 208 arranged vertically is processed on the short column 207. The lifting hole 208 is used for installing a lifting eye bolt 3. Through the above three-point lifting hanger 2, a three-point support can be formed between the radome 1, thus ensuring the stability and reliability of the support for the radome.

[0035] Further, a reinforcing plate 206 is fixed between the outer walls of the short column 207 and the column 204. The structural strength and stability between the short column 207 and the column 204 are enhanced through the reinforcing plate 206.

[0036] Further, bushings are respectively installed at the positions where the first pin holes 202 and the second pin shafts 205 are located. The smooth operation of the spring stop pin 8 is ensured through the bushings, and a wear-resistant effect is achieved.

[0037] Further, the tensioning mechanism 12 includes a double-headed threaded sleeve 1202. One end of the double-headed threaded sleeve 1202 is installed with a first screw base 1201 through threaded fit, and the other end is installed with a second threaded base 1203 through threaded fit. Through the above tensioning mechanism 12, a leveling and tensioning effect can be achieved, thus realizing the adjustment of the center of gravity of the radome.

[0038] Further, the clamp assembly 9 includes a clamp base 901. One end of the clamp base 901 is hinged with a clamp upper cover 902 through a first clamp pin shaft 909. The other end of the clamp base 901 is hinged with a loose joint bolt 906 through a second clamp pin shaft 903. A wing nut 907 is installed at the top of the loose joint bolt 906. The wing nut 907 presses against the top of the opening groove 908 of the clamp upper cover 902. A cover plate 904 is fixedly installed at the outer end face of the opening groove 908 through a set screw 911. Through the above clamp assembly 9, reliable fixed installation of the radome tip can be realized, thus ensuring the safety of the lifting process.

[0039] Further, soft rubber pads 905 are arranged on the inner side walls of the clamp base 901 and the clamp upper cover 902. The purpose of protecting the radome is achieved through the above soft rubber pads 905.

[0040] Further, nuts 910 are installed at the end parts of the first clamp pin shaft 909 and the second clamp pin shaft 903. The clamp pin shafts can be limited through the above nuts 910.

[0041] The specific working process and principle of the present utility model:

[0042] First, connect the three-point lifting bracket 2 to the radome 1 through three groups of spring stop pins 8, connect it to the tip of the radome 1 through the clamp assembly 9, then connect it to the lifting ring 5 through the corresponding first steel cable 4 and second steel cable 7, and then connect the lifting ring 5 to the lifting equipment, thereby realizing the lifting of the entire radome.

Claims

1. A locking clamp type radome hanger, characterized in that: The invention comprises a three-point hanging bracket (2) for fixedly mounting on the open end of a radome (1); the three-point hanging bracket (2) is respectively connected to the radome mounting holes (10) on the inner wall of the open end of the radome (1) through three groups of spring stop pins (8); the top end of the three-point hanging bracket (2) is connected to the first steel cable (4) through a lifting eye screw (3); the other end of the first steel cable (4) is connected to the lifting eye (5) through a bow-shaped shackle (6); the other end side of the lifting eye (5) is connected to the second steel cable (7) through the bow-shaped shackle (6); the other end of the second steel cable (7) is connected to the clamp assembly (9) through a tensioning mechanism (12); the clamp assembly (9) is connected to the tail column (11) of the radome (1).

2. According to claim 1, a locking clamp type radome hanger is characterized in that: The three-point hanging bracket (2) comprises a crossbeam (201), both ends of which are processed with first pin holes (202) for installing a spring stop pin (8), a column (204) is fixed to the middle part of the top of the crossbeam (201), diagonal braces (203) are fixed between the two sides of the column (204) and the crossbeam (201), a second pin hole (205) is arranged on the upper part of the column (204), a vertically arranged short column (207) is fixed to the top of the column (204), and a vertically arranged hanging hole (208) is processed on the short column (207), and the hanging hole (208) is used to install a hanging eye screw (3).

3. According to claim 2, a locking clamp type radome hanger is characterized in that: A stiffening plate (206) is fixed between the short column (207) and the outer wall of the upright column (204).

4. The locking clamp type radome hanger according to claim 2, characterized in that: Bushings are respectively installed at the locations of the first pin hole (202) and the second pin hole (205).

5. The locking clamp type radome hanger according to claim 1, characterized in that: The tensioning mechanism (12) comprises a double-ended threaded sleeve (1202), one end of the double-ended threaded sleeve (1202) being mounted with a first screw seat (1201) by means of threaded engagement, and the other end of the double-ended threaded sleeve (1202) being mounted with a second threaded seat (1203) by means of threaded engagement.

6. The locking clamp type radome hanger according to claim 1, characterized in that: The clamp assembly (9) comprises a clamp base (901), one end of the clamp base (901) being hingedly connected to a clamp cover (902) via a first clamp pin (909), the other end of the clamp base (901) being hingedly connected to a live bolt (906) via a second clamp pin (903), a butterfly nut (907) being installed on the top of the live bolt (906), the butterfly nut (907) being pressed against the top of an opening slot (908) of the clamp cover (902), and a cover plate (904) being fixedly installed on the outer end surface of the opening slot (908) via a set screw (911).

7. The locking clamp type radome hanger according to claim 6, characterized in that: Soft rubber pads (905) are provided on the inner side walls of the clamp base (901) and the clamp upper cover (902).

8. The locking clamp type radome hanger according to claim 6, characterized in that: Nuts (910) are installed at the end portions of the first clamp pin shaft (909) and the second clamp pin shaft (903).

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