Portable inspection backpack for unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle portable inspection backpack, and relates to the technical field of power distribution network inspection devices, the unmanned aerial vehicle portable inspection backpack comprises a back assembly composed of a storage seat and a plastic wrapping shell, telescopic supporting legs, a folding platform assembly and a lock catch assembly, the storage seat is composed of a back plate, a convex storage groove, a butt joint seat and a storage box, the telescopic supporting legs rotate out to the bottom of the back plate and are unfolded, so that the storage seat is supported and placed; the plastic wrapping shell is composed of a rectangular outer shell and side edge containing grooves. When the folding platform assembly is unfolded, the folding platform assembly and the rectangular outer shell form the unmanned aerial vehicle take-off and landing platform. The lock catch assembly is used for achieving locking operation of the closed state of the rectangular shell. The storage, transportation and take-off and landing functions of the unmanned aerial vehicle are integrated into one backpack system, so that the backpack can meet various requirements of unmanned aerial vehicle inspection in different states, the problems that the take-off and landing site is limited and equipment is inconvenient to carry in the inspection process are effectively solved, and the inspection efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to distribution network inspection device technical field, specifically a kind of unmanned aerial vehicle portable inspection backpack. BACKGROUND

[0002] In recent years, unmanned aerial vehicle inspection technology gradually rises and is applied in distribution network field, and unmanned aerial vehicle can carry high-definition camera, infrared thermal imager and other detection equipment, to carry out fast and efficient patrol to power line, can find line defect, insulator breakage, tree barrier and other problems in time, effectively improve the inspection efficiency and quality.

[0003] However, in actual application process, unmanned aerial vehicle inspection also faces some problems:

[0004] 1. Take-off and landing site is limited: in mountainous area and other distribution network distribution area, terrain is complex and changeable, and flat and open take-off and landing site is scarce, and inspection personnel often need to spend a lot of time to find suitable take-off and landing point, sometimes even cannot use unmanned aerial vehicle to carry out inspection due to the fact that suitable site cannot be found, which seriously affects the progress and efficiency of inspection work.

[0005] 2. Equipment carrying is inconvenient: existing unmanned aerial vehicle inspection equipment usually includes unmanned aerial vehicle, battery and various auxiliary tools, and these equipment needs to be carried respectively, which not only increases the burden of inspection personnel, but also easily causes damage or loss of equipment during equipment transfer.

[0006] In summary, developing a kind of unmanned aerial vehicle inspection equipment that can adapt to complex terrain in mountainous area, is convenient to carry and has the function of convenient take-off and landing becomes a problem to be solved in distribution network inspection field. UTILITY MODEL CONTENT

[0007] The utility model aims at: in order to solve the problem in the above background, provide a kind of unmanned aerial vehicle portable inspection backpack.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of unmanned aerial vehicle portable inspection backpack, including the back component of storage seat, plastic package shell, soft glue connecting piece, the storage seat is by backplate, convex storage groove, docking seat, storage box composition;

[0009] The backplate, docking seat and storage box are connected and fixed in sequence from bottom to top, and the inside of the storage box is fixed with the unmanned aerial vehicle by using customized foam mold;

[0010] The convex storage groove is provided with four, and the four convex storage grooves are distributed in matrix on the lower surface of the backplate, and the telescopic legs are rotatably installed in the inside of the four convex storage grooves, which are turned out to the bottom of the backplate and unfolded, for supporting and placing the storage seat.

[0011] The plastic shell is composed of a rectangular shell and a side receiving groove.

[0012] The plastic shell is sleeved outside the docking seat, and the lower surface of the plastic shell is attached to the upper surface of the back plate, so as to realize the protection and shielding operation of the receiving box.

[0013] The side receiving groove is symmetrically arranged on the two sides of the outer wall of the rectangular shell, and the folding platform assembly is arranged in the side receiving groove.

[0014] The end of the rectangular shell away from the soft glue connecting piece is provided with a lock assembly, which is used for locking the closed state of the rectangular shell.

[0015] As a further scheme of the utility model: the folding platform assembly comprises a folding plate, a rotating seat, a first folding arm, a second folding arm, a convex connecting hole and a locking unit.

[0016] The folding plate is symmetrically arranged on the two sides of the outer wall of the rectangular shell, the rotating seat is fixed to the side bottom of the folding plate close to the rectangular shell, and the rotating seat is rotatably connected to the inside of the side receiving groove.

[0017] The first folding arm and the second folding arm are rotatably connected to each other, and the convex connecting hole is arranged at the end of the first folding arm and the second folding arm close to each other and penetrates the first folding arm and the second folding arm.

[0018] The locking unit is connected to the inside of the convex connecting hole, which is used for realizing the rotation locking of the first folding arm and the second folding arm, so as to realize the locking of the horizontal state of the folding plate.

[0019] As a further scheme of the utility model: the locking unit comprises a connecting shaft, a telescopic groove, an arc-shaped clamping strip, a first W-shaped elastic sheet and a limiting circular block.

[0020] The convex connecting hole is composed of a rotating circular hole and a clamping straight groove, the clamping straight groove is arranged on the top of the rotating circular hole and penetrates the rotating circular hole, and the rotating circular holes on the first folding arm and the second folding arm are concentrically arranged.

[0021] The connecting shaft is rotatably installed in the rotating circular hole on the two groups of first folding arms and second folding arms and penetrates the first folding arms and the second folding arms completely, the limiting circular block is fixed on the two ends of the connecting shaft and is attached to the end faces of the two second folding arms away from each other, and the outer diameter of the limiting circular block is greater than the inner diameter of the rotating circular hole;

[0022] The telescopic groove is arranged in the inside of the connecting shaft and penetrates the top of the connecting shaft completely, the first W-shaped elastic sheet is arranged in the inside of the telescopic groove, and the bottom of the first W-shaped elastic sheet is fixed with an arc-shaped clamping strip which is closely attached to the bottom of the inner wall of the telescopic groove;

[0023] When the rotating seat is rotated to the horizontal state, the first folding arm and the second folding arm are arranged in a straight line and are in an overall inclined state, the two clamping straight grooves on the first folding arm and the second folding arm are coincided with each other, and the first W-shaped elastic sheet is clamped in the inside of the clamping straight groove by moving upward, so as to realize the mutual limiting and fixing of the first folding arm and the second folding arm.

[0024] As a further scheme of the utility model, the folding platform assembly further comprises a magnetic block.

[0025] The bottom of the magnetic block extends to the side surface of the back plate, the magnetic block is embedded on the side of the folding plate close to the back plate, and the inside of the back plate is embedded with an iron sheet for attracting the magnetic block.

[0026] As a further scheme of the utility model, the lock assembly comprises a push block, an L-shaped lock, and a second W-shaped elastic sheet.

[0027] The linear sliding groove is arranged at the end of the rectangular shell away from the soft rubber connecting piece, and the L-shaped lock groove is arranged at the corresponding position of the butt joint seat.

[0028] The push block is attached to the end surface of the rectangular shell, the L-shaped lock is fixed at one end of the push block and penetrates the honeycomb back pad and extends to be clamped in the inside of the L-shaped lock groove, so as to realize the mutual fixing of the rectangular shell and the butt joint seat.

[0029] The second W-shaped elastic sheet is arranged between the inner wall side surfaces of the L-shaped lock and the linear sliding groove, and the two ends of the second W-shaped elastic sheet are respectively fixedly connected with the inner wall side surfaces of the L-shaped lock and the linear sliding groove, and the second W-shaped elastic sheet is used for providing locking thrust for the L-shaped lock.

[0030] As a further scheme of the utility model, the bottom end of the back plate is further fixedly connected with an adjustable back strap and a honeycomb back pad, the adjustable back strap penetrates the honeycomb back pad completely, and the honeycomb back pad is provided with a convex through groove corresponding to the convex storage groove.

[0031] Compared with the prior art, the utility model has the advantages that:

[0032] By setting the storage, transportation and take-off and landing functions of the unmanned aerial vehicle into one backpack system, the backpack can meet various needs of the unmanned aerial vehicle inspection in different states, effectively solves the problems of limited take-off and landing site and inconvenient equipment carrying in the inspection process, and effectively improves the inspection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 It is a structure schematic view of the utility model;

[0034] Fig. 2 It is a structure schematic view of the bottom of the storage seat of the utility model;

[0035] Fig. 3 It is a schematic view of the unfolded state of the telescopic supporting leg and the folding platform assembly of the utility model;

[0036] Fig. 4 It is a split schematic view of the locking unit and the first folding arm and the second folding arm of the utility model;

[0037] Fig. 5 It is a schematic view of the opened state of the plastic package shell of the utility model;

[0038] Fig. 6 It is a split schematic view of the honeycomb back pad and the storage seat of the utility model;

[0039] Fig. 7 It is a structure distribution sectional view of the lock assembly and the plastic package shell of the utility model.

[0040] In the figure: 1, back assembly; 101, storage seat; 102, plastic package shell; 103, adjustable shoulder strap; 104, honeycomb back pad; 1041, convex through groove; 105, soft glue connecting piece; 2, telescopic supporting leg; 3, folding platform assembly; 301, folding plate; 302, rotating seat; 303, first folding arm; 304, second folding arm; 305, convex connecting hole; 3051, rotating round hole; 3052, clamping straight slot; 306, locking unit; 307, magnetic block; 4, lock assembly; 401, push block; 402, L-shaped lock; 403, second W-shaped elastic sheet;

[0041] 1011, back plate; 1012, convex storage groove; 1013, butt joint seat; 1014, storage box; 1015, L-shaped lock groove;

[0042] 1021, rectangular shell; 1022, side storage groove; 1023, top recess; 1024, straight line sliding groove;

[0043] 3061, connecting shaft; 3062, telescopic groove; 3063, arc-shaped clamping strip; 3064, first W-shaped elastic sheet; 3065, limiting circular block. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0045] Please refer to Figs. 1-7 In the embodiments of the utility model, a portable inspection backpack of unmanned aerial vehicle comprises a back assembly 1 composed of a storage seat 101, a plastic shell 102 and a soft glue connecting piece 105, the storage seat 101 is composed of a back plate 1011, a convex storage groove 1012, a butt joint seat 1013 and a storage box 1014;

[0046] The back plate 1011, the butt joint seat 1013 and the storage box 1014 are connected and fixed in sequence from bottom to top, the inside of the storage box 1014 is fixed with the unmanned aerial vehicle by using a customized foam mold;

[0047] The convex storage groove 1012 is provided with four, the four convex storage grooves 1012 are distributed in matrix on the lower surface of the back plate 1011, and the inside of the four convex storage grooves 1012 is rotatably provided with telescopic supporting legs 2, which are turned out to the bottom of the back plate 1011 and unfolded, so as to realize the support and placement of the storage seat 101;

[0048] The plastic shell 102 is composed of a rectangular shell 1021 and a side storage groove 1022;

[0049] The plastic shell 102 is sleeved on the outside of the butt joint seat 1013, and the lower surface of the plastic shell 102 is attached to the upper surface of the back plate 1011, so as to realize the protection and shielding operation of the storage box 1014, one end of the rectangular shell 1021 is connected to the back plate 1011 through the soft glue connecting piece 105, so as to realize the opening operation of the rectangular shell 1021;

[0050] The side storage groove 1022 is symmetrically arranged on the two sides of the outer wall of the rectangular shell 1021, and the inside of the side storage groove 1022 is provided with a folding platform assembly 3, which, when unfolded, forms an unmanned aerial vehicle take-off and landing platform with the rectangular shell 1021;

[0051] The end of the rectangular shell 1021 away from the soft glue connecting piece 105 is provided with a lock catch assembly 4, which is used for locking the closed state of the rectangular shell 1021;

[0052] The folding platform assembly 3 comprises a folding plate 301, a rotating seat 302, a first folding arm 303, a second folding arm 304, a convex connecting hole 305, and a locking unit 306.

[0053] The folding plate 301 is symmetrically arranged on both sides of the outer wall of the rectangular shell 1021, the rotating seat 302 is fixed to the side bottom of the folding plate 301 close to the rectangular shell 1021, and the rotating seat 302 is rotationally connected to the inner side of the side storage groove 1022. The top of the folding plate 301 protrudes from the top of the rotating seat 302, and the top of the rectangular shell 1021 is provided with a top recess 1023. When the folding plate 301 is flipped up to a horizontal state with the rotating seat 302 as the center, the rotating seat 302 is clamped to the inner side of the top recess 1023 and flush with the upper surface of the rectangular shell 1021, thereby forming a UAV landing platform.

[0054] The first folding arm 303 and the second folding arm 304 are rotationally connected to each other in a staggered manner, and the convex connecting hole 305 is formed at one end of the first folding arm 303 and the second folding arm 304 close to each other and completely penetrates the first folding arm 303 and the second folding arm 304. The other end of the first folding arm 303 and the second folding arm 304 away from each other is rotationally connected to the inner bottom of the side storage groove 1022 and the side bottom of the rotating seat 302, respectively.

[0055] The locking unit 306 is clamped to the inner side of the convex connecting hole 305 to rotationally lock the first folding arm 303 and the second folding arm 304, thereby locking the folding plate 301 in the horizontal state.

[0056] The bottom end of the back plate 1011 is also bonded and fixed with an adjustable shoulder strap 103 and a honeycomb back pad 104. The adjustable shoulder strap 103 completely penetrates the honeycomb back pad 104, and the honeycomb back pad 104 is provided with a convex through groove 1041 corresponding to the convex storage groove 1012.

[0057] In this embodiment, it should be noted that the foam mold on the inner side of the storage box 1014 can be customized according to the shape of the inspection UAV and related accessories. The storage recesses of the accessories are formed on the foam mold, such as the UAV, remote controller, battery, detection equipment, and various tools, which can effectively prevent the UAV from being damaged by collision during carrying and make the equipment orderly and easily accessible.

[0058] In addition, the adjustable shoulder strap 103 and the honeycomb back pad 104 are the conventional structure of the existing backpack, which will not be described in detail here. The UAV is carried by the back, which further provides the convenience of carrying the UAV.

[0059] In the process of power inspection, when the unmanned aerial vehicle needs to be lifted, the telescopic legs 2 can be manually turned out from the convex storage slot 1012 and placed on the ground. Each telescopic leg 2 has independent folding and telescopic adjustment function (it needs to be pointed out that the telescopic structure of the telescopic leg 2 is the same as that of the umbrella rod, and such structure has been widely used, so the telescopic structure and operation principle of the telescopic leg 2 will not be described here). Thus, the backpack can be stably supported on the ground in the mountain area.

[0060] Then, the folding plate 301 is manually turned up and unfolded. Finally, the folding plate 301 is in a horizontal state and flush with the upper surface of the rectangular shell 1021, thereby forming a platform for taking off and landing the unmanned aerial vehicle, so as to facilitate the taking off and landing operation of the unmanned aerial vehicle. It needs to be pointed out that the surface of the folding plate 301 and the rectangular shell 1021 is provided with anti-skid lines, which can effectively prevent the unmanned aerial vehicle from sliding during taking off and landing.

[0061] Through the cooperation of the above multiple parts, the problems of limited taking off and landing site and inconvenient equipment carrying during inspection are effectively solved, the inspection efficiency is effectively improved, and the preparation time before inspection can be effectively shortened.

[0062] Please refer to Figs. 1-5 The locking unit 306 includes a connecting shaft 3061, a telescopic groove 3062, an arc-shaped clamping strip 3063, a first W-shaped spring piece 3064, and a limiting circular block 3065.

[0063] The convex connecting hole 305 is composed of a rotating circular hole 3051 and a clamping straight groove 3052. The clamping straight groove 3052 is distributed at the top of the rotating circular hole 3051 and penetrates the rotating circular hole 3051. The rotating circular holes 3051 on the first folding arm 303 and the second folding arm 304 are concentrically distributed.

[0064] The connecting shaft 3061 is rotatably installed inside the rotating circular holes 3051 on the two groups of first folding arms 303 and second folding arms 304 and penetrates the first folding arms 303 and the second folding arms 304 completely. The limiting circular block 3065 is fixed at both ends of the connecting shaft 3061 and abuts against the end faces of the two second folding arms 304 away from each other. The outer diameter of the limiting circular block 3065 is greater than the inner diameter of the rotating circular hole 3051.

[0065] The telescopic groove 3062 is formed inside the connecting shaft 3061 and penetrates the top of the connecting shaft 3061 completely. The first W-shaped spring piece 3064 is distributed inside the telescopic groove 3062. The arc-shaped clamping strip 3063 is fixed at the bottom of the first W-shaped spring piece 3064 and closely abuts against the inner wall of the telescopic groove 3062.

[0066] When the rotating seat 302 rotates to the horizontal state, the first folding arm 303 and the second folding arm 304 are in a straight line distribution and the whole is in an inclined state, and the two clamping straight grooves 3052 on the first folding arm 303 and the second folding arm 304 coincide with each other, and the first W-shaped elastic piece 3064 is clamped into the inner side of the clamping straight groove 3052 through upward movement for realizing mutual limiting and fixing of the first folding arm 303 and the second folding arm 304;

[0067] The folding platform assembly 3 further comprises a magnetic block 307;

[0068] The bottom of the magnetic block 307 extends to the side of the back plate 1011, the magnetic block 307 is embedded on the side of the folding plate 301 close to the back plate 1011, the inside of the back plate 1011 is embedded with an iron sheet for being attracted by the magnetic block 307, and the folding plate 301 is stably stored through the attraction force of the magnetic block 307 and the iron sheet.

[0069] In the embodiment, in the daily carrying process, the magnetic block 307 is attracted to the iron sheet in the inside of the back plate 1011, the folding plate 301 is stably stored, at this time, the first folding arm 303 and the second folding arm 304 are folded and stored in the side storage groove 1022, the clamping straight grooves 3052 on the first folding arm 303 and the second folding arm 304 are misaligned, the arc-shaped clamping strip 3063 is completely stored in the telescopic groove 3062, the first W-shaped elastic piece 3064 is squeezed and contracted, and the arc-shaped clamping strip 3063 and the connecting shaft 3061 are integrally rotated in the rotating circular hole 3051;

[0070] When the first folding arm 303 and the second folding arm 304 are completely unfolded and in a straight line state, the clamping straight grooves 3052 on the first folding arm 303 and the second folding arm 304 are aligned with each other, at this time, the arc-shaped clamping strip 3063 and the connecting shaft 3061 can be manually rotated as a whole, so that the arc-shaped clamping strip 3063 is rotated to be aligned with the slot of the clamping straight groove 3052, then the arc-shaped clamping strip 3063 and the connecting shaft 3061 are released from the grip as a whole, the arc-shaped clamping strip 3063 loses the external extrusion force and is popped out and clamped into the inner side of the clamping straight groove 3052 under the action of the elastic force of the first W-shaped elastic piece 3064, at this time, the arc-shaped clamping strip 3063 and the connecting shaft 3061 as a whole are similar to a “convex” mechanism, and then the first folding arm 303 and the second folding arm 304 cannot rotate relative to each other, thereby realizing stable support of the folding plate 301 in the horizontal state;

[0071] When the folding plate 301 needs to be stored, only the arc-shaped clamping strip 3063 and the connecting shaft 3061 are gripped as a whole, the arc-shaped clamping strip 3063 is moved downward to be stored in the telescopic groove 3062, then the first folding arm 303 and the second folding arm 304 are pressed inward at the connecting position to be rotated to be in an inverted V-shaped state, and finally the folding plate 301 is pressed downward to be rotated to be in a vertical state, so that the whole operation is simple and convenient.

[0072] Please refer to Figs. 1-7 The locking assembly 4 comprises a push block 401, an L-shaped locking piece 402 and a second W-shaped elastic piece 403.

[0073] The linear sliding groove 1024 is arranged at one end of the rectangular shell 1021 away from the soft glue connecting piece 105, and the L-shaped locking groove 1015 is arranged at a position corresponding to the linear sliding groove 1024.

[0074] The push block 401 is attached to the end face of the rectangular shell 1021, the L-shaped locking piece 402 is fixed at one end of the push block 401 and penetrates through the honeycomb back pad 104 and extends to be clamped in the inside of the L-shaped locking groove 1015, so as to realize the mutual fixation of the rectangular shell 1021 and the docking seat 1013.

[0075] The second W-shaped elastic piece 403 is distributed between the L-shaped locking piece 402 and the inner wall side of the linear sliding groove 1024, and the two ends of the second W-shaped elastic piece 403 are respectively bonded and fixed with the L-shaped locking piece 402 and the inner wall side of the linear sliding groove 1024, and the second W-shaped elastic piece 403 is used for providing locking thrust for the L-shaped locking piece 402.

[0076] In this embodiment: in the daily state, the L-shaped locking piece 402 is clamped in the inside of the L-shaped locking groove 1015, so as to realize the fixation of the plastic shell 102, and the plastic shell 102 has good dustproof and impact-proof effect;

[0077] But when the unmanned aerial vehicle and the related accessories need to be taken, only the push block 401 needs to be pushed to move the L-shaped locking piece 402 to release the locking state with the L-shaped locking groove 1015, at this time, the plastic shell 102 can be rotated to be opened, and then the unmanned aerial vehicle and the related accessories stored in the storage box 1014 can be taken.

[0078] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A portable inspection backpack of unmanned aerial vehicle, comprising a back assembly (1) composed of a storage seat (101), a plastic shell (102), and a soft glue connector (105), characterized in that, The accommodation seat (101) is composed of a back plate (1011), a convex accommodation groove (1012), a docking seat (1013) and an accommodation box (1014); The back plate (1011), the docking seat (1013) and the accommodation box (1014) are sequentially connected and fixed from bottom to top, and the inside of the accommodation box (1014) is fixed with the unmanned aerial vehicle by using a customized foam mold; The four convex accommodation grooves (1012) are arranged in a matrix on the lower surface of the back plate (1011), and the inside of each of the four convex accommodation grooves (1012) is rotatably provided with an extendable supporting leg (2), which is turned out to the bottom of the back plate (1011) and unfolded, so as to support and place the accommodation seat (101); The plastic shell (102) is composed of a rectangular shell (1021) and a side accommodation groove (1022); The plastic shell (102) is sleeved on the outside of the docking seat (1013), and the lower surface of the plastic shell (102) is attached to the upper surface of the back plate (1011), so as to realize the protection and shielding operation of the accommodation box (1014); one end of the rectangular shell (1021) is connected to the back plate (1011) by a soft glue connecting piece (105), so as to realize the opening operation of the rectangular shell (1021) by turning over; The side accommodation grooves (1022) are symmetrically arranged on the two sides of the outer wall of the rectangular shell (1021), and the inside of each side accommodation groove (1022) is provided with a folding platform assembly (3), which, when unfolded, forms an unmanned aerial vehicle landing platform together with the rectangular shell (1021); The end of the rectangular shell (1021) away from the soft glue connecting piece (105) is provided with a lock buckle assembly (4), which is used for locking the closed state of the rectangular shell (1021).

2. The portable inspection backpack of claim 1, wherein, The folding platform assembly (3) comprises a folding plate (301), a rotating seat (302), a first folding arm (303), a second folding arm (304), a convex connecting hole (305) and a locking unit (306); The folding plates (301) are symmetrically arranged on the two sides of the outer wall of the rectangular shell (1021), the rotating seat (302) is fixed to the bottom of the side of the folding plate (301) close to the rectangular shell (1021), and the rotating seat (302) is rotatably connected to the inside of the side accommodation groove (1022); the top of the folding plate (301) protrudes from the top of the rotating seat (302), the top recess (1023) is arranged on the top of the rectangular shell (1021), and when the folding plate (301) is turned up to a horizontal state with the rotating seat (302) as the center, the rotating seat (302) is connected to the inside of the top recess (1023) and flush with the upper surface of the rectangular shell (1021), so as to form an unmanned aerial vehicle landing platform. The first folding arm (303) and the second folding arm (304) are rotationally connected by being misaligned with each other, and the convex connecting hole (305) is formed at one end of the first folding arm (303) and the second folding arm (304) close to each other and penetrates through the first folding arm (303) and the second folding arm (304), and the other end of the first folding arm (303) and the second folding arm (304) is rotationally connected with the inner bottom of the side receiving groove (1022) and the side bottom of the rotating seat (302) respectively; The locking unit (306) is clamped in the convex connecting hole (305) to rotationally lock the first folding arm (303) and the second folding arm (304), so as to lock the folding plate (301) in the horizontal state.

3. The portable inspection backpack of claim 2, wherein, The locking unit (306) comprises a connecting shaft (3061), a telescopic groove (3062), an arc-shaped clamping strip (3063), a first W-shaped elastic sheet (3064) and a limiting circular block (3065). The convex connecting hole (305) is composed of a rotating circular hole (3051) and a clamping straight groove (3052), the clamping straight groove (3052) is arranged at the top of the rotating circular hole (3051) and penetrates through the rotating circular hole (3051), and the rotating circular holes (3051) on the first folding arm (303) and the second folding arm (304) are concentrically arranged; The connecting shaft (3061) is rotationally installed in the rotating circular holes (3051) on the two groups of first folding arms (303) and second folding arms (304) and penetrates through the first folding arms (303) and the second folding arms (304), the limiting circular block (3065) is fixed at the two ends of the connecting shaft (3061) and abuts against the end faces of the two second folding arms (304) away from each other, and the outer diameter of the limiting circular block (3065) is greater than the inner diameter of the rotating circular hole (3051); The telescopic groove (3062) is formed in the connecting shaft (3061) and penetrates through the top of the connecting shaft (3061), the first W-shaped elastic sheet (3064) is arranged in the telescopic groove (3062), and the arc-shaped clamping strip (3063) is fixed at the bottom of the first W-shaped elastic sheet (3064) and closely abuts against the inner wall bottom of the telescopic groove (3062); When the rotating seat (302) is rotated to the horizontal state, the first folding arm (303) and the second folding arm (304) are arranged in a straight line and are in an inclined state as a whole, the two clamping straight grooves (3052) on the first folding arm (303) and the second folding arm (304) are coincided with each other, and the first W-shaped elastic sheet (3064) is upwardly clamped in the clamping straight groove (3052) to limit and fix the first folding arm (303) and the second folding arm (304) relative to each other.

4. The portable inspection backpack of claim 2, wherein, The folding platform assembly (3) further comprises a magnetic attraction block (307). The bottom of the magnetic block (307) extends to the side of the back plate (1011), the magnetic block (307) is embedded in the folding plate (301) near the side of the back plate (1011), and the inside of the back plate (1011) is embedded with an iron sheet for the magnetic block (307) to be adsorbed, and the adsorption force between the magnetic block (307) and the iron sheet is used to realize the storage stability of the folding plate (301).

5. The portable inspection backpack of claim 1, wherein, The locking assembly (4) comprises a push block (401), an L-shaped lock (402) and a second W-shaped elastic sheet (403). A linear sliding groove (1024) is formed at one end of the rectangular shell (1021) away from the soft rubber connecting piece (105), and an L-shaped locking groove (1015) is formed at the corresponding position of the linear sliding groove (1024) and the butt joint seat (1013). The push block (401) is attached to the end face of the rectangular shell (1021), the L-shaped lock (402) is fixed at one end of the push block (401) and penetrates the honeycomb back pad (104) and extends to be clamped inside the L-shaped locking groove (1015), which is used to realize the mutual fixation of the rectangular shell (1021) and the butt joint seat (1013). The second W-shaped elastic sheet (403) is distributed between the inner wall side of the L-shaped lock (402) and the linear sliding groove (1024), and the two ends of the second W-shaped elastic sheet (403) are respectively bonded and fixed with the L-shaped lock (402) and the inner wall side of the linear sliding groove (1024), and the second W-shaped elastic sheet (403) is used to provide locking thrust for the L-shaped lock (402).

6. The portable inspection backpack of claim 1, wherein, The bottom end of the back plate (1011) is also bonded and fixed with an adjustable shoulder strap (103) and a honeycomb back pad (104), the adjustable shoulder strap (103) completely penetrates the honeycomb back pad (104), and the honeycomb back pad (104) is provided with a convex through groove (1041) corresponding to the convex storage groove (1012).

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