Large-volume transfer field carrying airborne support nacelle

Abstract

The present application relates to the technical field of aviation equipment, in particular to a large-capacity transfer carrying airborne support pod, which comprises a cargo compartment and a sliding hoisting mechanism, the sliding hoisting mechanism is provided with two groups and is respectively located at the inside of both ends of the cargo compartment, the inside circumferential wall of the cargo compartment is fixedly installed with a reinforcing rib one, the both ends of the reinforcing rib one on the inside three walls are provided with an I-shaped clamping groove, the two groups of I-shaped clamping grooves are used in cooperation with the two groups of sliding hoisting mechanisms, the inside wall of both sides of the cargo compartment is fixedly installed with a reinforcing rib two, the whole adopts aluminum alloy material to adapt to the lightweight design of the pod, a plurality of reinforcing ribs are used to improve the structural strength of the pod, and an I-shaped steel is arranged in the pod, so that the impact force and tensile stress received by the pod during transportation are transmitted to the I-shaped steel, the weight of the pod is reduced, and the working strength is improved, so as to solve the problems of poor impact resistance and low safety of the existing pod.

Description

Technical Field

[0001] This invention relates to the field of aviation equipment technology, specifically to a large-volume transferable airborne support pod. Background Technology

[0002] A pod is a streamlined short section of airborne equipment or weapon that is mounted on the fuselage or under the wing. It can be fixed (such as an engine pod) or detached (such as a weapon pod). Adding a pod can give an aircraft functions that it does not have on its own. Adding a pod usually requires the support of airborne electronic equipment and consideration of the overall aerodynamics of the aircraft.

[0003] Existing pods have the following drawbacks:

[0004] 1. Because aircraft fly at high speeds during operation, the pods are subjected to significant impact forces. To withstand these impacts, the pods must possess a certain structural strength. Existing pods, by using materials with high impact resistance, result in excessive weight, which greatly increases the aircraft's carrying costs. At the same time, to meet lightweight design requirements, the amount of equipment carried inside heavier pods should be reduced accordingly, thereby lowering the pod's carrying capacity.

[0005] 2. The equipment inside the pod is required to perform special tasks, such as data loading, equipment replacement and maintenance, which are frequent. Maintainability design is important for improving the pod's task execution capability. A standardized equipment mounting bracket should be adopted to improve space utilization and shorten maintenance time. Existing pods are difficult to meet the usage requirements. At the same time, in order to adapt to different aircraft models, the lifting lugs on the top of the pod should be compatible with different specific aircraft models and have a large load-bearing capacity to prevent accidents.

[0006] Therefore, it is necessary to invent a large-capacity transfer and carry-on airborne support pod. Summary of the Invention

[0007] To address this, the present invention provides a large-volume transferable airborne support pod. By using aluminum alloy as the entire material to accommodate the lightweight design of the pod, multiple sets of reinforcing ribs are used to improve the structural strength of the pod. At the same time, I-beams are installed inside the pod to transfer the impact and tensile stresses experienced by the pod during transportation to the I-beams. This reduces its weight while increasing its working strength, thereby solving the problems of poor impact resistance and low safety of existing pods.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a large-volume transfer and carrying airborne support pod, comprising a cargo hold and a sliding hoisting mechanism. The sliding hoisting mechanism is provided in two sets, respectively located inside the two ends of the cargo hold. Reinforcing ribs I are fixedly installed on the inner periphery of the cargo hold. I-shaped slots are provided at both ends of the reinforcing ribs I on the three inner walls. The two sets of I-shaped slots are used in conjunction with the two sets of sliding hoisting mechanisms. Reinforcing ribs II are fixedly installed on the inner walls of both sides of the cargo hold. Reinforcing ribs III are fixedly installed on the inner wall of the bottom of the cargo hold. Assembly slots are provided on the side walls of reinforcing ribs II and III. Reinforcing ribs II and III are engaged with reinforcing ribs I through the assembly slots. Reinforcing ribs II, III, and I form a reinforcing rib grid on the inner wall of the cargo hold.

[0009] Preferably, sidewall panels are fixedly installed on both outer walls of the cargo hold. The inner wall of the sidewall panel is provided with a reinforcing mesh. Multiple sets of insertion holes are opened on the sidewall of the sidewall panel. A flow guide shell is provided on the outer side of the sidewall panel. Multiple sets of reinforcing ribs are fixedly installed on the inner wall of the flow guide shell. Multiple sets of mating holes are opened on the inner wall of the reinforcing ribs. The mating holes correspond one-to-one with the insertion holes. Insertion posts are fixedly installed on the inner wall of the mating holes, and the other end of the insertion posts is inserted into the insertion holes. The flow guide shell is fixedly connected to the sidewall panel through the insertion posts. Quick-release casters are fixedly installed at the four corners of the bottom of the cargo hold.

[0010] Preferably, the top wall of the cargo hold is provided with a sliding groove, the left end of the sliding groove is provided with multiple sets of inclined screw holes, the right end of the sliding groove is provided with multiple sets of straight screw holes, the right side of the top of the cargo hold is slidably connected to a cover 1 via the sliding groove, the middle of the top of the cargo hold is slidably connected to a cover 2 via the sliding groove, and the left side of the top of the cargo hold is slidably connected to a cover 3 via the sliding groove. Cover 1, cover 2, and cover 3 are all used in conjunction with a sliding hoisting mechanism, and the bottom of cover 1, cover 2, and cover 3 are all provided with a reinforcing mesh 2.

[0011] Preferably, the sliding hoisting mechanism includes an I-beam, the I-shaped slot is engaged with the inner wall of the I-beam, a bridge-shaped steel is fixedly installed on the top of the I-beam, multiple sets of reinforcing ribs are fixedly installed on the inner wall of the bridge-shaped steel, square holes are opened at both ends of the bridge-shaped steel and the square holes penetrate the bridge-shaped steel, lifting holes are opened on all four sides of the two sets of square holes at the bottom, the same square plug is inserted into the inner wall of the two sets of square holes at the same end, and self-locking bolts are fixedly installed on all four sides of the bottom of the square plug, and the other end of the self-locking bolt is engaged with the corresponding lifting hole.

[0012] Preferably, the tops of the two sets of square plugs on the left are fixedly equipped with external lifting lugs, and the tops of the two sets of square plugs on the right are fixedly equipped with internal lifting lugs. Clamping slides are provided between the two ends of the bridge steel on the left and the bridge steel on the right and the two sets of internal lifting lugs. The clamping slides are slidably connected to the slide grooves. The inner walls of the two sets of clamping slides on the left are provided with inclined screw holes II, which are used in conjunction with inclined screw holes I. The inner walls of the two sets of clamping slides on the right are provided with straight screw holes II, which are used in conjunction with straight screw holes I. The inner walls of the inclined screw holes II and inclined screw holes I, and the straight screw holes II and straight screw holes I are all threaded with fastening bolts. The bridge steel is fixedly connected to the cargo hold by fastening bolts.

[0013] The beneficial effects of this invention are:

[0014] 1. After the pod body is installed, it can be mounted on the aircraft using external and internal mounting lugs. When the equipment inside the pod needs to be used, it can be easily retrieved by opening the three sets of openings on the upper part of the cargo hold. As a suspended object carried by the aircraft, the most effective design of the pod is to minimize the degradation of aircraft performance while meeting the tactical requirements of the system. The streamlined rotating body shape of the air deflector can effectively adapt to subsonic and transonic flight conditions. At the same time, both the cargo hold and the air deflector are made of lightweight aluminum alloy materials, and the internal reinforcing ribs can improve the structural strength while ensuring its lightweight.

[0015] 2. The use of external and internal lifting lugs can adapt to the installation of specific models. At the same time, the installation of the lifting lugs and the square plug adopts a detachable threaded installation, which can facilitate the replacement of the lifting lugs. The installation of the square plug and the bridge steel adopts multiple sets of self-locking bolts, and the connection between the bridge steel and the cargo hold adopts fastening bolts, which makes the lifting method more stable, convenient and evenly distributed in the center of gravity. The cover is opened in the upper part of the cargo hold, and the lower part of the cargo hold adopts four quick-release casters to facilitate the transportation and transfer of the pod body.

[0016] 3. During the transport process, due to the high speed, the pod body will be subjected to significant impact stress. At this time, the impact stress can be transferred to the I-beam through the reinforcing ribs, allowing it to bear the impact force. The I-beam has good impact resistance, improving its impact resistance efficiency. At the same time, when there is a lot of equipment inside the pod, that is, the weight of the pod body is large, when the pod body is mounted on the aircraft, the external and internal mounting lugs will be subjected to significant tensile stress. At this time, the lugs can transfer the stress to the bridge steel through the square plug. At the same time, the bridge steel is fixed to the I-beam, thus also transferring the tensile stress to the I-beam, making the I-beam the core support. This allows the pod to be lightweight while having high impact resistance and structural strength. Attached Figure Description

[0017] Figure 1 This is an exploded view of the pod body provided by the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the three sets of lids provided by the present invention;

[0019] Figure 3 An installation structure diagram of the flow guide shell provided by the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the pod body provided by the present invention;

[0021] Figure 5 An installation structure diagram of the quick-release caster provided by the present invention;

[0022] Figure 6 An installation structure diagram of the sliding hoisting mechanism provided by the present invention;

[0023] Figure 7 This is a schematic diagram of the internal structure of the cargo hold provided by the present invention;

[0024] Figure 8 This is a schematic diagram of the left-side sliding hoisting mechanism provided by the present invention;

[0025] Figure 9 This is a schematic diagram of the right-side sliding hoisting mechanism provided by the present invention;

[0026] Figure 10 This is an exploded view of the sliding hoisting mechanism provided by the present invention;

[0027] Figure 11 This is an internal structural diagram of the sliding hoisting mechanism provided by the present invention;

[0028] Figure 12 This is an installation structure diagram of the sliding hoisting mechanism and cargo hold provided by the present invention.

[0029] In the diagram: Cargo hold 100, slide rail 101, oblique screw hole 102, straight screw hole 103, reinforcing rib 110, I-shaped slot 120, reinforcing rib 2 130, reinforcing rib 3 140, assembly slot 150, side wall panel 160, reinforcing mesh 161, insertion hole 162, insertion post 163, flow guide shell 164, reinforcing rib 165, mating hole 166, quick-release caster 170, cover 1 80. Cover II 181. Cover III 182. Reinforcing Mesh II 183. Sliding Lifting Mechanism 200. I-beam 210. Bridge Steel 220. Reinforcing Rib 221. Square Hole 222. Lifting Hole 223. Clamping Track 224. Slanted Screw Hole II 225. Straight Screw Hole II 226. Square Plug 230. Self-Locking Bolt 231. External Lifting Lug 240. Internal Lifting Lug 250. Fastening Bolt 260. Detailed Implementation

[0030] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0031] See attached document Figure 1-12 This invention provides a large-volume transfer and carrying airborne support pod, comprising a cargo hold 100 and a sliding hoisting mechanism 200. The sliding hoisting mechanism 200 has two sets located inside both ends of the cargo hold 100. Reinforcing ribs 110 are fixedly installed on the inner periphery of the cargo hold 100. I-shaped slots 120 are formed at both ends of the reinforcing ribs 110 on the three inner walls. The I-shaped slots 120 can clamp the sliding hoisting mechanism 200. The two sets of I-shaped slots 120 are used in conjunction with the two sets of sliding hoisting mechanisms 200. Reinforcing ribs 230 are fixedly installed on both inner walls of the cargo hold 100. A second set of reinforcing ribs 130 is fixedly installed on the inner wall of the bottom of the cargo hold 100. There are reinforcing ribs 140, 230 and 340. The side walls of the reinforcing ribs 130 and 340 are all provided with mounting grooves 150. The reinforcing ribs 130 and 340 are connected to the reinforcing rib 110 through the mounting grooves 150. The reinforcing ribs 130, 240 and 110 form a reinforcing rib grid on the inner wall of the cargo hold 100. Specifically, the reinforcing ribs 110, 230 and 340 can improve the strength of the cargo hold 100. The cargo hold 100 body adopts a lightweight aluminum alloy structure, so its structural strength is relatively low. The use of staggered reinforcing rib grid can improve its structural strength.

[0032] Furthermore, sidewall panels 160 are fixedly installed on both outer walls of the cargo hold 100. The inner wall of the sidewall panel 160 is provided with reinforcing mesh 161. Both reinforcing mesh 161 and reinforcing mesh 183 are staggered reinforcing rib structures, which can improve the structural strength of the sidewall panel 160 and the hatch. Multiple sets of insertion holes 162 are provided on the sidewall of the sidewall panel 160. A flow guide shell 164 is provided on the outer side of the sidewall panel 160. The flow guide shell 164 adopts a streamlined rotating body that conforms to airflow, which can adapt to the subsonic and transonic flight states of the aircraft. Multiple sets of reinforcing ribs 165 are fixedly installed on the inner wall of the flow guide shell 164. Similarly, the flow guide shell 164 is made of lightweight aluminum alloy, and the reinforcing ribs 165 on its inner wall can improve its structural rigidity. Multiple sets of mating holes 1 are provided on the inner wall of the reinforcing ribs 165. 66. The mating hole 166 corresponds one-to-one with the insertion hole 162. The inner wall of the mating hole 166 is fixedly installed with the insertion post 163 and the other end of the insertion post 163 is inserted into the insertion hole 162. The flow guide shell 164 is fixedly connected to the side wall plate 160 through the insertion post 163. Quick-release casters 170 are fixedly installed at the four corners of the bottom of the cargo compartment 100. Specifically, as a suspended object carried by the aircraft, the most effective design of the pod is to minimize the degradation of the aircraft performance while meeting the tactical requirements of the system. The streamlined rotating body shape of the flow guide shell 164 can effectively adapt to subsonic and transonic flight conditions. At the same time, both the cargo compartment 100 and the flow guide shell 164 are made of lightweight aluminum alloy material, and the internal reinforcement ribs can improve the structural strength while ensuring its lightweight.

[0033] Furthermore, the top wall of the cargo hold 100 is provided with a sliding groove 101. Multiple sets of oblique threaded holes 102 are provided at the left end of the sliding groove 101, and multiple sets of straight threaded holes 103 are provided at the right end of the sliding groove 101. The oblique threaded holes 102 and straight threaded holes 103 facilitate the installation of the sliding hoisting mechanism 200. A cover 180 is slidably connected to the right side of the top of the cargo hold 100 via the sliding groove 101. A cover 2 181 is slidably connected to the middle of the top of the cargo hold 100 via the sliding groove 101. A cover 3 182 is slidably connected to the left side of the top of the cargo hold 100 via the sliding groove 101. Covers 180, 181, and 182 are all used in conjunction with the sliding hoisting mechanism 200. The hatches are made of lightweight aluminum alloy. The bottom of hatches 180, 181, and 182 are all provided with reinforcing mesh 2 183. The reinforcing mesh 2 183 can improve the structural strength of hatches 180, 181, and 182. Specifically, since the equipment in the cargo hold 100 is equipped with special tasks, data loading, equipment replacement and maintenance are very frequent. Maintainability design is very important for improving the mission execution capability of the pod. Therefore, the arrangement of hatches 180, 181, and 182 should facilitate the disassembly and assembly of equipment. The hatches of this invention can be opened and closed quickly by sliding.

[0034] Furthermore, the sliding hoisting mechanism 200 includes an I-beam 210, which conforms to lightweight design while possessing high strength and stability. Its cross-sectional shape is "I," giving it high load-bearing capacity and structural stability. An I-shaped slot 120 engages with the inner wall of the I-beam 210, providing support. A bridge-shaped steel 220 is fixedly installed on the top of the I-beam 210, providing support. Multiple sets of reinforcing ribs 221 are fixedly installed on the inner wall of the bridge-shaped steel 220. Both ends of the bridge-shaped steel 220 are... The bridge-shaped steel 220 has square holes 222 that penetrate through the square holes 222. The two sets of square holes 222 at the bottom are provided with lifting holes 223 on all four sides. The same square plug 230 is inserted into the inner wall of the two sets of square holes 222 at the same end. The square plug 230 is fixedly installed with self-locking bolts 231 on all four sides at the bottom. The other end of the self-locking bolt 231 is engaged with the corresponding lifting hole 223. The square plug 230 is fixed to the bridge-shaped steel 220 by the self-locking bolts 231. At the same time, the square plug 230 can be fixed with different lifting lugs by bolts to adapt to different usage scenarios.

[0035] Furthermore, external lifting lugs 240 are fixedly installed on the top of the two sets of square plugs 230 on the left, and internal lifting lugs 250 are fixedly installed on the top of the two sets of square plugs 230 on the right. Both the external and internal lifting lugs 240 are bolted to the square plugs 230. The overall detachable design facilitates the installation of different types of lifting lugs, suitable for different lifting environments. Clamping slides 224 are provided between the two ends of the bridge-shaped steel 220 on the left and between the bridge-shaped steel 220 on the right and the two sets of internal lifting lugs 250. The clamping slides 224 are slidably connected to the slide groove 101, allowing the bridge-shaped steel 220 to slide on the slide groove 101 via the clamping slides 224. Simultaneously, they are fixed to the I-beam 210 by bolts. The inner walls of the two sets of clamping slides 224 on the left are provided with inclined screw holes 225, which cooperate with inclined screw holes 102. The inner walls of the two sets of clamping slides 224 on the right are also provided with... A second straight threaded hole 226 is provided, which is used in conjunction with a first straight threaded hole 103. A second oblique threaded hole 225 and an oblique threaded hole 102, and a second straight threaded hole 226 and a first straight threaded hole 103 are all threaded with fastening bolts 260. The bridge-shaped steel 220 is fixedly connected to the cargo hold 100 via the fastening bolts 260. Specifically, external lifting lugs 240 and internal lifting lugs 250 are used to adapt to the installation of specific aircraft models. The lifting lugs and square plugs 23... The installation of the 0 uses a detachable threaded installation, which makes it easy to replace the lifting lugs. At the same time, the installation of the square plug 230 and the bridge steel 220 uses multiple sets of self-locking bolts 231, and the connection between the bridge steel 220 and the cargo hold 100 uses fastening bolts 260, which makes the lifting method more stable, convenient and evenly distributed in the center of gravity. The cover is opened on the upper part of the cargo hold 100, and the lower part of the cargo hold 100 uses four quick-release casters 170 to facilitate the transportation and transfer of the pod body.

[0036] The usage process of this invention is as follows: After the pod body is installed by those skilled in the art, the pod can be installed on the aircraft through the external mounting lug 240 and the internal mounting lug 250. When the equipment inside the pod needs to be used, the equipment can be easily taken out by opening the three sets of openings on the upper part of the cargo hold 100. At the same time, as a suspended object carried by the aircraft, the most effective design of the pod is to minimize the degradation of the aircraft performance while meeting the tactical requirements of the system. The streamlined rotating body shape of the deflector shell 164 can effectively adapt to subsonic and transonic flight states. At the same time, both the cargo hold 100 and the deflector shell 164 are made of lightweight aluminum alloy material, and the reinforcing ribs inside can improve the structural strength while ensuring its lightweight.

[0037] The external lifting lugs 240 and internal lifting lugs 250 can be adapted to the installation of specific models. At the same time, the installation of the lifting lugs and the square plug 230 adopts a detachable threaded installation, which can facilitate the replacement of the lifting lugs. The installation of the square plug 230 and the bridge steel 220 adopts multiple sets of self-locking bolts 231, and the connection between the bridge steel 220 and the cargo hold 100 adopts fastening bolts 260, which makes the lifting method more stable, convenient and evenly distributed in the center of gravity. The cover is opened on the upper part of the cargo hold 100, and the lower part of the cargo hold 100 adopts four quick-release casters 170 to facilitate the transportation and transfer of the pod body.

[0038] During transport, the pod experiences significant impact stress due to its high speed. This stress is transferred to the I-beam 210 via the reinforcing ribs 110, allowing it to withstand the impact. The I-beam 210, with its excellent impact resistance, further enhances its impact resistance efficiency. Additionally, when the pod contains a large amount of equipment, resulting in a significant weight, the external and internal mounting lugs 240 and 250 experience substantial tensile stress when mounted on the aircraft. These lugs transfer this stress to the bridge steel 220 via the square plug 230. Since the bridge steel 220 is fixed to the I-beam 210, it also transfers the tensile stress to the I-beam 210, providing core support. This design allows the pod to achieve both lightweight construction and high impact resistance and structural strength.

[0039] The above description is merely a preferred embodiment of the present invention. Any person skilled in the art can modify the present invention or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A large-volume transferable airborne support pod, comprising a cargo hold (100) and a sliding hoisting mechanism (200), wherein the sliding hoisting mechanism (200) is provided in two sets and is respectively located inside both ends of the cargo hold (100), characterized in that: The inner perimeter walls of the cargo hold (100) are all fixedly equipped with reinforcing ribs one (110). Both ends of the reinforcing ribs one (110) on the three inner walls are provided with I-shaped slots (120). The two sets of I-shaped slots (120) are respectively used in conjunction with two sets of sliding hoisting mechanisms (200). The inner walls on both sides of the cargo hold (100) are all fixedly equipped with reinforcing ribs two (130). The inner wall at the bottom of the cargo hold (100) is fixedly equipped with... The sidewalls of the three reinforcing ribs (140) are provided with mounting grooves (150). The two reinforcing ribs (130) and the three reinforcing ribs (140) are connected to the one reinforcing rib (110) through the mounting grooves (150). The two reinforcing ribs (130), the three reinforcing ribs (140) and the one reinforcing rib (110) form a reinforcing rib grid on the inner wall of the cargo hold (100). The sliding hoisting mechanism (200) includes an I-beam (210), the I-shaped slot (120) is engaged with the inner wall of the I-beam (210), a bridge-shaped steel (220) is fixedly installed on the top of the I-beam (210), and multiple sets of reinforcing ribs (221) are fixedly installed on the inner wall of the bridge-shaped steel (220). Square holes (222) are opened at both ends of the bridge-shaped steel (220) and the square holes (222) penetrate the bridge-shaped steel (220). Lifting holes (223) are opened on all four sides of the two sets of square holes (222) at the bottom. The same square plug (230) is inserted into the inner wall of the two sets of square holes (222) at the same end. Self-locking bolts (231) are fixedly installed on all four sides of the bottom of the square plug (230), and the other end of the self-locking bolt (231) is engaged with the corresponding lifting hole (223).

2. The large-volume transferable airborne support pod according to claim 1, characterized in that: Side wall panels (160) are fixedly installed on both sides of the cargo hold (100). The inner wall of the side wall panel (160) is provided with a reinforcing mesh (161). The side wall panel (160) has multiple sets of insertion holes (162). The outer side of the side wall panel (160) is provided with a flow guide shell (164). The inner wall of the flow guide shell (164) is fixedly installed with multiple sets of reinforcing ribs (165). The inner wall of the reinforcing ribs (165) has multiple sets of mating holes (166). The mating holes (166) correspond one-to-one with the insertion holes (162). The inner wall of the mating holes (166) is fixedly installed with a plug (163) and the other end of the plug (163) is inserted into the insertion hole (162). The flow guide shell (164) is fixedly connected to the side wall panel (160) through the plug (163). Quick-release casters (170) are fixedly installed at the four corners of the bottom of the cargo hold (100).

3. The large-volume transferable airborne support pod according to claim 1, characterized in that: The top wall of the cargo hold (100) is provided with a sliding groove (101). Multiple sets of inclined screw holes (102) are provided at the left end of the sliding groove (101), and multiple sets of straight screw holes (103) are provided at the right end of the sliding groove (101). A cover (180) is slidably connected to the right side of the top of the cargo hold (100) through the sliding groove (101). A cover (2) is slidably connected to the middle of the top of the cargo hold (100) through the sliding groove (101). A cover (3) is slidably connected to the left side of the top of the cargo hold (100) through the sliding groove (101). The cover (180), cover (2) and cover (3) are all used in conjunction with the sliding hoisting mechanism (200). A reinforcing mesh (183) is provided at the bottom of the cover (180), cover (2) and cover (3) (182).

4. The large-volume transferable airborne support pod according to claim 3, characterized in that: The tops of the two sets of square plugs (230) on the left are fixedly equipped with external hanging lugs (240), and the tops of the two sets of square plugs (230) on the right are fixedly equipped with internal hanging lugs (250). Clamping slides (224) are provided between the two ends of the bridge steel (220) on the left and the bridge steel (220) on the right and the two sets of internal hanging lugs (250). The clamping slides (224) are slidably connected to the slide groove (101). The inner walls of the two sets of clamping slides (224) on the left are provided with two inclined screw holes (2). 25), the second inclined screw hole (225) is used in conjunction with the first inclined screw hole (102). The inner walls of the two sets of clamping slides (224) on the right side are provided with the second straight screw hole (226). The second straight screw hole (226) is used in conjunction with the first straight screw hole (103). The inner walls of the second inclined screw hole (225) and the first inclined screw hole (102), and the second straight screw hole (226) and the first straight screw hole (103) are all threaded with fastening bolts (260). The bridge steel (220) is fixedly connected to the cargo hold (100) by fastening bolts (260).

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