CN209841709U - Detection apparatus for oil tank gap - Google Patents

Abstract

The utility model discloses a detection device for oil tank gap, including the oil tank, still include the base, set up the support on the base, set up on the support and with its direction of height reverse detection arm and can dismantle the camera instrument of setting on the detection arm end wall, electric control cabinet and the operation panel of setting on the support, be equipped with the first driving piece that drives the support rotation on the base, be equipped with the second driving piece that drives the lifting unit that the detection arm slided along its direction of height and drive the detection arm and slide along the direction of height perpendicular to the support on the support, be equipped with the auto-induction spare that drives the camera instrument pivoted on the detection arm; the detection device does not need detection personnel to drill into the oil tank for detection, can realize automatic detection in the oil tank, and has the advantages of time saving, labor saving and high detection efficiency.

Description

Detection apparatus for oil tank gap

Technical Field

The utility model relates to a detect the technical field of oil tank, in particular to detection device in oil tank gap.

Background

With the development of modern transportation, vehicles are increasing in life of people, the living standard of people is higher and higher, the traveling mode is from previous walking to the current bicycles, motorcycles, buses, automobiles, high-speed rails, airplanes and the like, the airplane traveling mode is the most efficient traveling mode at present, and the airplane traveling mode also becomes a problem concerned by people for the flight safety of airplanes; therefore, after the aircraft fuel tank flies each time, the detection personnel are required to detect whether gaps exist at the welding position inside the fuel tank or whether the sealing strips are damaged or not, and the like, so that the safety and the stability of the aircraft flight are ensured.

Present detection mode, it generally is that measurement personnel dresses the detection clothes, open the inspection hole, then drill in the airtight oil tank, detect inside the oil tank, be equipped with a plurality of baffles in the oil tank usually, all be equipped with the inspection hole on every baffle, separate into a plurality of spaces with the oil tank, the inspection hole need be bored once more after every detection of measurement personnel has been in a space, to in another space, there is the potential safety hazard in this kind of artifical mode that detects, greatly increased staff's intensity of labour, detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detection apparatus in oil tank gap, its advantage is: according to the detection device, detection personnel do not need to drill into the oil tank, automatic detection on the inside of the oil tank can be achieved, manpower is saved, and detection efficiency is improved.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a detection apparatus in oil tank gap, includes the oil tank, still includes the base, sets up support on the base, set up on the support and with its direction of height reverse detection arm and can dismantle the appearance of making a video recording, automatically controlled cabinet and the operation panel of setting on the support of setting on detecting the arm end wall, be equipped with drive support pivoted first driving piece on the base, be equipped with the drive on the support and detect the second driving piece that the arm slided along perpendicular to support direction of height along its direction of height lift and drive detection arm, be equipped with drive camera instrument pivoted auto-induction spare on the detection arm.

According to the technical scheme, firstly, by utilizing the electric control cabinet and the operating platform, a detection person can drive the detection arm to rotate towards the direction of the detection hole through the first driving piece; secondly, the lifting piece is utilized to drive the detection arm to move along the height direction of the support and the detection arm and the detection hole are positioned on the same horizontal straight line, and then the camera can be aligned to the detection hole; then, the second driving piece is utilized to drive the detection arm to slide along the height direction vertical to the support, so that the camera passes through the detection hole and enters the oil tank to carry out shooting detection on the inside of the oil tank; finally, the automatic induction part is utilized to drive the camera to rotate, so that 360-degree omnibearing automatic shooting of the camera is realized; the detection device with the structure does not need detection personnel to drill into the oil tank, and can automatically detect the conditions in the oil tank, so that the automatic work is realized, the manpower is saved, the personal safety of the detection personnel is ensured, and the detection efficiency is improved.

The utility model discloses further set up to: the support comprises a supporting frame, two upright columns oppositely arranged on the side walls of the supporting frame and extending upwards and a cross beam arranged between the top ends of the two upright columns, the electric control cabinet is arranged in the supporting frame, and the operating platform is obliquely arranged at the top of the supporting frame towards the base.

Through the technical scheme, the support formed by combining the supporting frame, the stand column and the cross beam enhances the stability of the detection arm and the camera, and improves the detection efficiency.

The utility model discloses further set up to: the utility model discloses a support frame, including the base, be equipped with the cavity in the base, first driving piece is including setting up the first motor that the base is located on the cavity diapire, the worm with the motor shaft of first motor is connected, with worm meshing's turbine and set up the supporting disk at the turbine upper surface, the lower surface of carriage is equipped with the backup pad, the top of supporting disk extends the upper surface of base and fixes the axle center department at the backup pad, the upper surface of base is equipped with the circular mouth corresponding with the supporting disk size.

According to the technical scheme, the worm is driven to rotate by the first motor, the worm wheel is driven to rotate, the supporting plate is driven to rotate, the supporting frame is driven to rotate, and finally the detection arm and the camera are rotated to a proper angle; this drive mode, simple structure, convenient operation has saved the manpower, has improved detection efficiency.

The utility model discloses further set up to: the lifter includes the second motor that sets up on the crossbeam roof, the lead screw of being connected with the motor shaft of second motor, with lead screw thread fit's slider nut and set up the slide plate on the slider nut lateral wall, the slide plate is from the lateral wall fixed connection of slider nut's lateral wall and detection arm, two the stand is equipped with first slide rail along its length direction towards the lateral wall of slide plate, the equipartition is equipped with a plurality of mount pads and stand fixed connection on the lateral wall of first slide rail, it is equipped with two relative first slides to slide on the first slide rail, the slide plate is towards the lateral wall of lead screw and the lateral wall fixed connection of first slide.

According to the technical scheme, the screw rod is driven to rotate by the second motor, the first sliding rail is matched with the first sliding seat, the rotation of the sliding block nut is limited, and then the sliding block nut slides along the length direction of the screw rod, so that the detection arm slides up and down along the height direction of the stand column, and finally the purpose that the camera is aligned with the detection hole is achieved; the lifting mode is simple in structure, convenient to operate, capable of being matched with oil tanks with different height dimensions, wide in application range and high in detection efficiency.

The utility model discloses further set up to: the second driving piece comprises a third motor arranged on the side wall of the sliding plate facing the lead screw, a fluted disc arranged on the side wall of the sliding plate facing the detection arm and a rack meshed with the fluted disc, the side wall of the detection arm facing the stand column is provided with a second slide rail along the length direction of the side wall of the stand column, and a second slide seat sliding on the second slide rail is arranged on the side wall of the rack along the length direction of the side wall of the rack.

According to the technical scheme, the third motor is used for driving the fluted disc to rotate, the rack slides along the length direction of the second slide rail, and then the second slide carriage slides along the length direction of the second slide rail, so that the detection arm penetrates through the detection hole to enter the oil tank, and finally the camera is used for shooting the inside of the oil tank; this driving method, simple structure, convenient operation need not measurement personnel to creep into and detect in the oil tank, has guaranteed measurement personnel's personal safety, has saved the manpower, has improved detection efficiency.

The utility model discloses further set up to: the automatic induction part comprises an installation plate, a servo motor, a supporting block, an illuminating lamp and a limit switch, wherein the installation plate is arranged on the end wall of the detection arm and is L-shaped, the servo motor is arranged on the horizontal end of the installation plate, the supporting block is used for installing a camera, the illuminating lamp is arranged on the supporting block, the limit switch is electrically connected with the servo motor, a motor shaft of the servo motor penetrates through the horizontal end of the installation plate and is fixedly connected with the end wall of the supporting block, and the limit switch is arranged on the end wall.

Through above-mentioned technical scheme, open the light, utilize the work of the steerable servo motor of limit switch, and then the drive supporting shoe rotates for the appearance of making a video recording can carry out 360 no dead angles to the oil tank is inside and shoot, has realized automatic work, has improved detection efficiency.

The utility model discloses further set up to: the side wall of the mounting seat facing the detection arm is provided with a mounting hole, the first slide rail is provided with a plurality of threaded holes corresponding to the mounting hole along the length direction of the first slide rail, and the first slide rail is inserted into the mounting hole through a bolt and is in threaded connection with the threaded holes.

Through above-mentioned technical scheme, rotate the bolt for the bolt rotates out threaded hole, can take off first slide rail from the mount pad, makes things convenient for the inspector to regularly maintain the test arm, has realized the connection dismantled of test arm.

The utility model discloses further set up to: the upper surface of operation panel is equipped with the display screen, display screen and appearance electric connection of making a video recording.

Through above-mentioned technical scheme, utilize the display screen, the appearance of making a video recording can convey the inside picture data of the oil tank of shooting to PLC control circuit, shows through the display screen, has realized automated work, makes things convenient for the inside condition that the measurement personnel more audio-visual observed the oil tank, has improved detection efficiency.

To sum up, the utility model discloses following beneficial effect has:

1. firstly, through an electric control cabinet and an operation table, a detection person can conveniently drive a detection arm to rotate to a proper angle by using a first driving piece; secondly, the lifting piece is utilized to drive the detection arm to move to a proper position along the height direction of the support, so that the camera is aligned with the detection hole; then, the second driving piece is utilized to drive the detection arm to slide along the height direction vertical to the support, so that the camera passes through the detection hole and enters the oil tank to carry out shooting detection on the inside of the oil tank; finally, the automatic induction element is utilized to drive the camera to rotate, so that 360-degree omnibearing dead-angle-free shooting of the camera is realized; by adopting the detection device with the structure, the situation in the oil tank can be automatically detected without a detection person drilling into the oil tank, so that the automatic work is realized, the manpower is saved, the personal installation of the detection person is ensured, and the detection efficiency is improved;

2. the screw rod is driven to rotate by the second motor, and the first sliding seat and the first sliding rail are arranged to limit the rotation of the sliding block nut, so that the sliding block nut slides along the length direction of the screw rod, the first sliding seat slides along the length direction of the first sliding rail, and finally the detection arm slides to a proper position along the length direction of the upright post, and the camera is aligned to the detection hole; the driving mode has a simple structure, is convenient to operate, is driven by the second motor, saves manpower and improves the detection efficiency;

3. the image pickup instrument can transmit the image of the internal condition of the oil tank to the PLC control circuit in real time and display the image through the display screen, so that the automatic work is realized, the internal condition of the oil tank can be observed more visually by detection personnel, and the detection efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view for embodying the first driving member in the present embodiment.

Fig. 3 is a schematic structural view for showing a positional relationship between the lifter and the bracket in the present embodiment.

Fig. 4 is a schematic structural diagram for embodying the automatic sensing member in the present embodiment.

Fig. 5 is a schematic structural view for embodying the second driving member in the present embodiment.

Reference numerals: 1. a base; 2. a support; 201. a support frame; 202. a column; 203. a cross beam; 3. a detection arm; 4. a camera; 5. an electric control cabinet; 6. an operation table; 7. a first driving member; 71. a first motor; 72. a worm; 73. a turbine; 74. a support disc; 8. a lifting member; 81. a second motor; 82. a screw rod; 83. a slider nut; 84. a slide plate; 9. a second driving member; 91. a third motor; 92. a fluted disc; 93. a rack; 10. an auto-induction element; 101. mounting a plate; 102. a servo motor; 103. a support block; 104. an illuminating lamp; 105. a limit switch; 11. a cavity; 12. a circular port; 13. a first slide rail; 14. a mounting seat; 15. a first slider; 16. a second slide rail; 17. a second slide carriage; 18. mounting holes; 19. a threaded hole; 20. a bolt; 21. a display screen; 22. an oil tank; 23. a detection hole; 24. a universal wheel; 25. and a support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a detection device for oil tank gaps refers to FIG. 1, and comprises a rectangular oil tank 22 and a square base 1, wherein four corners of the base 1 are respectively provided with a universal wheel 24, the base 1 is provided with a support 2, the support 2 is provided with a detection arm 3 in a horizontal state, the detection arm is vertical to the height direction of the support 2, and one end of the detection arm 3 is provided with a camera 4; the setting of universal wheel 24 makes things convenient for the measurement personnel to remove base 1 to suitable position, and the size of test arm 3 is less than the size of inspection hole 23 for in test arm 3 stretched into oil tank 22, and then utilize the appearance 4 of making a video recording can shoot the inside condition of record oil tank 22, need not the measurement personnel creep into in the oil tank 22, ensured measurement personnel's safety, saved the manpower, improved detection efficiency.

Referring to fig. 1, a first driving member 7 for driving the support 2 to rotate is arranged on the base 1, a lifting member 8 for driving the detection arm 3 to slide along the height direction of the support 2 and a second driving member 9 for driving the camera 4 to slide along the detection arm 3 in a direction perpendicular to the height direction of the support 2 are arranged on the support 2, and an automatic sensing member 10 for driving the camera 4 to rotate is arranged on the detection arm 3; firstly, the bracket 2 is driven to rotate to a proper position by the first driving piece 7, so that the detection arm 3 faces the detection hole 23; secondly, the lifting piece 8 is utilized to drive the detection arm 3 to slide to a proper position along the height direction of the bracket 2; then, the second driving piece 9 is used for driving the detection arm 3 to slide along the direction vertical to the height direction of the bracket 2, and then the detection arm 3 penetrates through the detection hole 23, so that the camera 4 can shoot and detect the inside of the oil tank 22; finally, the automatic induction part 10 is utilized to drive the camera 4 to rotate, so that the camera 4 can automatically adjust the angle, and finally, the all-dimensional shooting of the inside of the oil tank 22 is realized, and the detection efficiency is high; the detection device with the structure does not need detection personnel to drill into the oil tank 22, can realize the detection of the inside of the oil tank 22, and has the advantages of time saving, labor saving and high detection efficiency.

Referring to fig. 3, the bracket 2 includes a supporting frame 201 arranged in the middle of the upper surface of the base 1, two upright posts 202 oppositely arranged on the side walls of the supporting frame 201 and extending upwards, and a cross beam 203 arranged between the top ends of the upright posts 202, the detecting arm 3 is connected with the side walls of the two upright posts 202 departing from the supporting frame 201, the detecting arm 3 is perpendicular to the upright posts 202, an electric control cabinet 5 is arranged in the supporting frame 201, an operating platform 6 is obliquely arranged at the top of the supporting frame 201 towards the base 1, and buttons are arranged on the operating platform 6; the support frame 201, the upright column 202 and the cross beam 203 are matched to stably support the camera 4 and the detection arm 3; simultaneously, the cooperation of operation panel 6, automatically controlled cabinet 5 and button makes things convenient for the staff to operate for the entering oil tank 22 (fig. 1) that the appearance 4 of making a video recording can be stable is shot and is detected, has improved detection efficiency.

Referring to fig. 2 and 3, a cavity 11 is formed in the base 1, the first driving member 7 includes a first motor 71 disposed on the bottom wall of the cavity 11 of the base 1, a worm 72 connected to a motor shaft of the first motor 71, a worm wheel 73 engaged with the worm 72, and a supporting plate 74 disposed on the upper surface of the worm wheel 73, a square supporting plate 25 is disposed on the lower surface of the supporting frame 201, the top end of the supporting plate 74 extends out of the upper surface of the base 1 and is fixedly connected to the axial center of the supporting plate 25, the upper surface of the supporting plate 74 and the upper surface of the supporting plate 25 are on the same horizontal straight line, and a circular opening 12 corresponding to the size of the supporting plate 74 is disposed on the upper surface of; the worm 72 is driven to rotate by the first motor 71, the worm wheel 73 is driven to rotate, and the supporting plate 74 is driven to rotate, so that the supporting frame 201 rotates, and finally the detection arm 3 and the camera 4 are adjusted to proper positions; the driving mode is simple in structure, convenient to operate and high in detection efficiency.

Referring to fig. 3 and 4, the lifting member 8 includes a second motor 81 disposed on the top wall of the cross beam 203, a lead screw 82 connected with a motor shaft of the second motor 81, a slider nut 83 in threaded fit with the lead screw 82, and a sliding plate 84 disposed on the nut side wall of the slider nut 83, the side wall of the sliding plate 84 departing from the slider nut 83 is fixedly connected with the side wall of the detection arm 3, the side walls of the two upright posts 202 facing the sliding plate 84 are provided with first sliding rails 13 along the length direction thereof, the side walls of the first sliding rails 13 are uniformly provided with a plurality of mounting seats 14 and fixedly connected with the upright posts 202, the first sliding rails 13 are slidably provided with two opposite first sliding seats 15, and the side walls of the sliding plate 84 facing the lead screw 82 are fixedly connected with the side walls of the first sliding; firstly, the second motor 81 is utilized to drive the screw rod 82 to rotate, due to the matching of the first slide rail 13 and the first slide seat 15, the rotation of the slide block nut 83 is limited, the slide block nut 83 is driven to slide along the length direction of the screw rod 82, so that the first slide seat 15 slides along the length direction of the first slide rail 13, the detection arm 3 moves to a proper height along the length direction of the upright column 202, and finally, the camera 4 is aligned to the detection hole 23 (shown in fig. 1); by adopting the driving mode, the structure is simple, the operation is convenient, the time and the labor are saved, and the detection efficiency is improved.

Referring to fig. 4, the side wall of the mounting seat 14 facing away from the upright column 202 is provided with a mounting hole 18, the first slide rail 13 is provided with a plurality of threaded holes 19 corresponding to the mounting hole 18 along the length direction thereof, and the first slide rail is inserted into the mounting hole 18 through bolts 20 and is in threaded connection with the threaded holes 19; insert bolt 20 in mounting hole 18, the screw hole 19 from top to bottom in proper order, rotate bolt 20 for bolt 20 rotates to the screw hole 19 in, has finally realized dismantling between mount pad 14 and the first slide rail 13 and has been connected, makes things convenient for the staff to regularly take off detection arm 3 and maintains the maintenance.

Referring to fig. 3 and 5, the second driving member 9 includes a third motor 91 disposed on the side wall of the sliding plate 84 facing the lead screw 82, a toothed disc 92 disposed on the side wall of the sliding plate 84 facing the detecting arm 3, and a rack 93 engaged with the toothed disc 92, the side wall of the detecting arm 3 facing the column 202 is provided with a second slide rail 16 along the length direction thereof, and the side wall of the rack 93 is provided with a second slide carriage 17 sliding on the second slide rail 16 along the length direction thereof; the third motor 91 is used for driving the fluted disc 92 to rotate, so as to drive the second sliding seat 17 to slide along the length direction of the second sliding rail 16, finally, the detection arm 3 penetrates through the detection hole 23 (shown in figure 1) and enters the oil tank 22 (shown in figure 1), and finally, the camera 4 shoots the inside of the oil tank 22 (shown in figure 1); this driving method, simple structure, convenient operation need not measurement personnel creep into in the oil tank 22 (fig. 1), alright accomplish the detection, has saved the manpower, has guaranteed measurement personnel's personal safety, has improved detection efficiency.

Referring to fig. 4, the automatic sensing part 10 includes an L-shaped mounting plate 101 disposed on an end wall of the detection arm 3, a servo motor 102 disposed on a horizontal end of the mounting plate 101, a support block 103, an illuminating lamp 104 disposed on a side wall of the support block 103, and a limit switch 105 electrically connected to the servo motor 102; the camera 4 is detachably arranged on the supporting block 103; after the camera 4 enters the oil tank 22 (fig. 1), the illuminating lamp 104 can illuminate the inside of the oil tank 22 (fig. 1) locally, so that the camera 4 can shoot more clearly, and the detection efficiency is improved; after the camera 4 finishes shooting at an angle in the oil tank 22 (fig. 1), the limit switch 105 is utilized to immediately send a signal to the PLC control circuit, the servo motor 102 works to drive the supporting block 103 to rotate, so that the camera 4 is rotated to another angle, and finally the all-dimensional shooting of the camera 4 is realized, the automatic work is realized, and the detection efficiency is improved.

Referring to fig. 4, a display screen 21 is arranged on the upper surface of the operating table 6, and the display screen 21 is electrically connected with the camera 4; the image data of the inside of the shot oil tank 22 (figure 1) is transmitted to the PLC control circuit by the camera 4 in real time and is displayed by the display screen 21, so that the internal condition of the oil tank 22 (figure 1) can be observed more intuitively by a worker, and the detection efficiency is improved.

The utility model discloses a theory of operation does: firstly, the worm 72 is driven to rotate by the first motor 71, the worm wheel 73 is driven to rotate, and the supporting plate 74 is driven to rotate, so that the supporting frame 201 is driven to rotate, and finally the detection arm 3 is rotated to a proper angle; secondly, the second motor 81 is utilized to drive the screw rod 82 to rotate, and then the sliding block nut 83 slides along the length direction of the screw rod 82, and finally the camera 4 is aligned to the detection hole 23; then, the third motor 91 is used for driving the fluted disc 92 to rotate, and further the rack 93 slides along the length direction of the second slide rail 16, so that one end of the detection arm 3 passes through the detection hole 23 and enters the oil tank 22; finally, the illuminating lamp 104 is turned on, and the limit switch 105 is utilized to drive the servo motor 102 to work, so that the camera 4 is adjusted to a proper angle, 360-degree dead-angle-free shooting can be realized, and the detection efficiency is improved; simultaneously the image pickup instrument 4 transmits the shot picture to the PLC control circuit in real time and displays the picture through the display screen 21, so that the specific situation in the oil tank 22 can be seen more visually by the detection personnel.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A fuel tank gap detection device comprises a fuel tank (22), and is characterized in that: still include base (1), set up support (2) on base (1), set up on support (2) and with its direction of height reverse detection arm (3) and can dismantle camera shooting instrument (4), electric cabinet (5) and operation panel (6) of setting on support (2) of setting on detecting arm (3) end wall, be equipped with on base (1) and drive support (2) pivoted first driving piece (7), be equipped with on support (2) that the drive detects lift (8) that arm (3) slided along its direction of height and drive and detect arm (3) along second driving piece (9) that perpendicular to support (2) direction of height slided, it makes a video recording instrument (4) pivoted auto-induction spare (10) to be equipped with the drive on detection arm (3).

2. A fuel tank gap detecting device according to claim 1, wherein: the support (2) comprises a support frame (201), two upright columns (202) which are oppositely arranged on the side walls of the support frame (201) and extend upwards and a cross beam (203) arranged between the top ends of the two upright columns (202), the electric control cabinet (5) is arranged in the support frame (201), and the operating platform (6) is obliquely arranged at the top of the support frame (201) towards the base (1).

3. A fuel tank gap detecting device according to claim 2, wherein: be equipped with cavity (11) in base (1), first driving piece (7) are including setting up first motor (71) that base (1) is located cavity (11) diapire, worm (72) with the motor shaft of first motor (71), turbine (73) with worm (72) meshing and set up supporting disk (74) at turbine (73) upper surface, the lower surface of carriage (201) is equipped with backup pad (25), the top of supporting disk (74) extends the upper surface of base (1) and fixes the axle center department at backup pad (25), the upper surface of base (1) is equipped with circular mouth (12) corresponding with supporting disk (74) size.

4. A fuel tank gap detecting device according to claim 2, wherein: the lifting piece (8) comprises a second motor (81) arranged on the top wall of the cross beam (203), a screw rod (82) connected with a motor shaft of the second motor (81), a sliding block nut (83) in threaded fit with the screw rod (82) and a sliding plate (84) arranged on the side wall of the sliding block nut (83), the side wall of the sliding plate (84) departing from the sliding block nut (83) is fixedly connected with the side wall of the detection arm (3), the two upright posts (202) are provided with first slide rails (13) towards the side wall of the sliding plate (84) along the length direction thereof, a plurality of mounting seats (14) are uniformly distributed on the side wall of the first slide rail (13) and are fixedly connected with the upright post (202), two opposite first sliding seats (15) are arranged on the first sliding rail (13) in a sliding manner, the side wall of the sliding plate (84) facing the screw rod (82) is fixedly connected with the side wall of the first sliding seat (15).

5. The apparatus for detecting a tank gap according to claim 4, wherein: second driving piece (9) including set up third motor (91) on slide plate (84) orientation lead screw (82) lateral wall, set up fluted disc (92) on slide plate (84) orientation detection arm (3) lateral wall and rack (93) with fluted disc (92) meshing, be equipped with second slide rail (16) along its length direction on detection arm (3) orientation stand (202)'s the lateral wall, be equipped with second slide (17) that slide on second slide rail (16) along its length direction on the lateral wall of rack (93).

6. A fuel tank gap detecting device according to claim 1, wherein: the automatic induction part (10) comprises an L-shaped mounting plate (101) arranged on the end wall of the detection arm (3), a servo motor (102) arranged on the horizontal end of the mounting plate (101), a supporting block (103) used for mounting the camera (4), an illuminating lamp (104) arranged on the supporting block (103) and a limit switch (105) electrically connected with the servo motor (102), wherein a motor shaft of the servo motor (102) penetrates through the horizontal end of the mounting plate (101) and is fixedly connected with one end of the supporting block (103), and the limit switch (105) is arranged at the other end of the supporting block (103).

7. The apparatus for detecting a tank gap according to claim 4, wherein: the side wall of the mounting seat (14) facing the detection arm (3) is provided with a mounting hole (18), the first sliding rail (13) is provided with a plurality of threaded holes (19) corresponding to the mounting hole (18) along the length direction of the first sliding rail, and the first sliding rail is inserted into the mounting hole (18) through bolts (20) and is in threaded connection with the threaded holes (19).

8. A fuel tank gap detecting device according to claim 1, wherein: the upper surface of operation panel (6) is equipped with display screen (21), display screen (21) and appearance (4) electric connection of making a video recording.