A port machinery rotation position detection device

Abstract

The invention discloses a port machinery rotation position detection device, which relates to the technical field of machinery maintenance detection, and comprises a butt joint pipe, a sleeve is slidably inserted on the outer side of the horizontal end of the butt joint pipe, a support pipe is fixed on the bottom of the sleeve, and also comprises a connecting arc pipe installed at one end of the butt joint pipe, an observation unit is rotatably arranged on the outer end of the connecting arc pipe, and a blind angle area on the outer side of the gear is reflected through the observation unit to assist detection and observation; a limit unit installed on the sleeve; and an adjustment component installed at the bottom of the supported pipe, and the adjustment component is used to control the angle of the observation unit. The invention can drive the observation unit to extend into the top of the rotating gear by simply docking the butt joint pipe and the support pipe with each other, so as to reflect the area that cannot be directly viewed by naked eyes, so as to observe the top of the gear and the butt joint of the gear, reduce the observation blind angle, and improve the accuracy of judgment during detection.

Description

Technical Field

[0001] The invention relates to the technical field of machinery maintenance detection, and in particular to a port machinery rotation position detection device. Background Art

[0002] Ports are the gathering points and hubs of water and land transportation, the distribution centers of industrial and agricultural products and foreign trade import and export materials, and the places for ships to anchor, load and unload cargo, pick up and drop off passengers, and replenish supplies. There are many intermittent loading and unloading mechanical equipment in ports (gantry, tire, automobile, bridge and container cranes, unloaders, etc.).

[0003] A gantry loader, also known as a gantry crane, is a device that transports goods back and forth between ports and ships. It has a huge rotating area at the bottom for rotation. During a certain period of working time, its rotating position needs to be detected. The conventional daily inspection is to perform corresponding maintenance and maintenance by observing the external tooth shape, attached oil stains, etc. of the rotating gear at the rotating position. However, the traditional rotating gear is large in size and has a certain height when installed. When observing, the personnel can observe its external teeth, but it is difficult to observe its top surface. At the same time, it is also difficult to observe and detect between the gears meshing with the turntable gear, and there are blind spots for observation. Summary of the invention

[0004] In order to solve the technical problems raised in the above-mentioned background technology, the present invention provides a port machinery rotary position detection device, which has the advantage of utilizing the reflection of the observation unit to observe the top of the rotary gear and the area at the joint that cannot be observed directly with the naked eye, thereby reducing blind spots in observation and improving the accuracy of the detection and judgment of the rotary gear shape.

[0005] In order to achieve the above object, the present invention specifically adopts the following technical solutions:

[0006] A port machinery rotation position detection device comprises a butt joint tube, a sleeve is slidably inserted on the outer side of the horizontal end of the butt joint tube, and a supporting tube is fixed to the bottom of the sleeve, and also comprises a connecting arc tube installed at one end of the butt joint tube, and an observation unit is rotatably provided on the outer end of the connecting arc tube, and the blind angle area on the outer side of the gear is reflected by the observation unit to assist detection and observation; and a limit unit installed on the sleeve, and the position of the sleeve on the butt joint tube is controlled by the limit unit; and an adjustment component installed on the bottom of the supporting tube, and the adjustment component is used to control the angle of the observation unit.

[0007] The present invention is further configured such that the observation unit includes a docking sleeve rotatably docked with the outer end of the connecting arc tube, a mounting frame is fixed to the outside of the docking sleeve, and a rod is rotatably inserted in the mounting frame, a reflector is fixed on the rod, and a lighting lamp is installed on the reflector.

[0008] The present invention is further configured as follows: the adjustment component includes three transverse tubes, both ends of the three transverse tubes are fixed to the bottom of the docking tubes through docking plates, and are slidably plugged with the supporting tubes, both ends of the transverse tubes are fixed with ventilation pipes connected thereto, a handle is fixed to the bottom of the supporting tube, a steering adjustment member is installed in the connecting arc tube, and the rotation of the mounting frame is controlled by the steering adjustment member, a rotating member for controlling the rotation of the insertion rod is fixed on the outside of the mounting frame, the ventilation pipe at one end of one of the transverse tubes is docked with the steering adjustment member, and the other two ventilation pipes are fixedly connected with the rotating member, the ventilation pipes at the other ends of the three transverse tubes are fixedly inserted into the handle, and a control unit for injecting air into the transverse tubes is installed in the handle.

[0009] The present invention is further configured such that the control unit includes an air injection tube fixed on the handle, one end of the air injection tube is fixedly connected to the ventilation tube, and the other end is slidably inserted with an adjusting rod, the adjusting rod is located at one end of the air injection tube and is fixed with a piston plate, and the other end is fixed with a pressing plate, and an extrusion spring is installed in the air injection tube for pushing the piston plate outward.

[0010] The present invention is further configured such that the rotating member includes a docking box fixed to the outside of the mounting frame, two baffles are fixed to the outside of the insertion rod, and rubber sheets that fit the docking box are fixed to the outer ends of the two baffles, a partition that fits the outside of the insertion rod is fixed inside the docking box, and the two ventilation pipes are respectively located on both sides of the partition and between the two baffles.

[0011] The present invention is further configured such that a magnetic block is fixed at the joint between the partition and the insertion rod, and an iron block that is magnetically attracted to the magnetic block is embedded on the outer side of the insertion rod.

[0012] The present invention is further configured as follows: the steering adjustment member includes a docking rod fixed in the docking sleeve, a sealing plate rotatably connected to the docking rod is fixed in the connecting arc tube, and a connecting plate 1 fixed to the inner wall of the connecting arc tube is fixed in the sealing plate, a connecting plate 2 is fixed to the outer side of the docking rod, and an arc rod slidably plugged with the connecting plate 1 is fixed on the connecting plate 2, an arc spring is sleeved on the outer side of the arc rod, an exhaust hole is opened on the outer side of the connecting arc tube, and the exhaust hole is located between the connecting plate 1 and the connecting plate 2, and the ventilation pipe injects gas into the sealing plate so that the connecting plate 2 rotates toward the connecting plate 1.

[0013] The present invention is further configured such that arc-shaped sheets are fixed on the outer sides of the connecting plate 1 and the connecting plate 2, and are respectively fitted with the docking rod and the inner wall of the connecting arc tube; the outer sides of the connecting plate 1 and the connecting plate 2 are wrapped with rubber strips for improving the sealing performance; and the inner wall of the connecting arc tube is fixed with abutting strips that abut against the arc-shaped sheets.

[0014] The present invention is further configured such that a notch is provided at the bottom of the horizontal end of the butt joint tube, and a track bar is fixed to the top of the butt joint tube, a groove is provided in the track bar, and a plurality of limit blocks are fixed in the groove at equal intervals, a limit plate matched with the notch is fixed in the sleeve, and a rotation groove is provided on the outside of the sleeve, a through opening is provided in the rotation groove at a position corresponding to the track bar, and the limit unit includes a limit ring rotatably sleeved on the rotation groove, and a limit member that abuts against the plurality of limit blocks is installed in the limit ring.

[0015] The present invention is further configured such that the limiting member includes two limiting rods slidably inserted on the limiting ring, the two limiting rods pass through the through opening and extend into the groove of the track bar, a protrusion that abuts against the limiting block is fixed at the bottom of the limiting rod, and a pull ring is installed at the top of the two limiting rods, and a limiting spring is sleeved on the outer side of the limiting rod to abut against the protrusion and the bottom of the limiting ring.

[0016] The beneficial effects of the present invention are:

[0017] 1. The present invention connects the butt tube and the support tube to each other, thereby driving the observation unit to extend into the top of the rotating gear, which is convenient for reflecting the area that cannot be directly viewed by the naked eye, so that the top of the gear and the gear joint can be observed, reducing blind spots and improving the accuracy of judgment during detection.

[0018] 2. The present invention adopts the method of inserting the sleeve and the butt tube, and cooperates with the limiting unit for limiting, so that the position between the observation unit and the support tube can be adjusted, which is convenient for observing the inside of the deeper gap at the gear joint and improving the observation range.

[0019] 3. The adjustment component designed in the present invention adopts air pressure adjustment to adjust the corresponding angles of the mounting frame and the reflector, thereby making it easier for personnel to see the reflector better and also making the reflection range larger. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the present invention from another angle;

[0022] Figure 3A partial cutaway rear side view of the support tube and the handle of the present invention;

[0023] Figure 4 It is a schematic diagram of the connection between the upper limit unit of the casing and the butt pipe of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the upper limit unit of the casing of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the arc tube connected by a partial cross-section of the present invention;

[0026] Figure 7 It is a front view of the steering adjustment member connected to the arc tube of the present invention;

[0027] Figure 8 This is a schematic diagram of the structure of the observation unit of the present invention;

[0028] Fig. 9 This is a schematic diagram of the structure of the rotating part in the docking box of the present invention;

[0029] Fig.10 This is a schematic diagram of the present invention and the top observation and detection of the rotary gear;

[0030] Fig.11 This is a schematic diagram for observing and detecting the joint between the rotary gear and other gears of the present invention.

[0031] In the figure: 1. Butt-joint tube; 2. Casing; 3. Support tube; 4. Connecting arc tube; 5. Observation unit; 6. Limiting unit; 7. Adjustment assembly; 8. Butt-joint sleeve; 9. Mounting frame; 10. Insertion rod; 11. Reflector; 12. Cross tube; 13. Ventilation pipe; 14. Handle; 15. Steering adjustment member; 16. Rotating member; 17. Control unit; 18. Gas injection pipe; 19. Adjustment rod; 20. Piston plate; 21. Press plate; 22. Extrusion spring; 23. Butt-joint box ; 24. baffle; 25. partition; 26. docking rod; 27. sealing plate; 28. connecting plate one; 29. ​​connecting plate two; 30. arc rod; 31. arc spring; 32. exhaust hole; 33. arc sheet; 34. stop bar; 35. notch; 36. track bar; 37. limit block; 38. limit plate; 39. rotating groove; 40. through port; 41. limit ring; 42. limit member; 43. limit rod; 44. protrusion; 45. pull ring; 46. limit spring. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] Example 1: Please refer to Figure 1 - Figure 3 as well as Fig.10 and Fig.11 , a port machinery rotation position detection device shown in the figure includes a butt joint pipe 1, a sleeve 2 is slidably inserted on the outer side of the horizontal end of the butt joint pipe 1, a support pipe 3 is fixed on the bottom of the sleeve 2, and also includes a connecting arc pipe 4 installed at one end of the butt joint pipe 1, an observation unit 5 is rotated on the outer end of the connecting arc pipe 4, and the blind angle area outside the gear is reflected by the observation unit 5 to assist in detection and observation; and a limit unit 6 installed on the sleeve 2, and the position of the sleeve 2 on the butt joint pipe 1 is controlled by the limit unit 6; and an adjustment component 7 installed at the bottom of the support pipe 3, and the adjustment component 7 is used to control the angle of the observation unit 5;

[0034] It should be noted that the present solution adopts the mutual docking of the docking tube 1, the sleeve 2 and the support tube 3, so that the observation unit 5 can be extended into the top of the rotating gear and the docking point between the rotating gear and other gears. The observation unit 5 is used to perform mirror reflection on the outside of the rotating gear, which can easily observe the blind spot area on the outside of the gear that cannot be directly observed by the naked eye, thereby improving the accuracy of chassis detection.

[0035] Further, the observation unit 5 includes a docking sleeve 8 that is rotatably docked with the outer end of the connecting arc tube 4, a mounting frame 9 is fixed to the outside of the docking sleeve 8, a plug rod 10 is rotatably inserted in the mounting frame 9, a reflector 11 is fixed on the plug rod 10, and a lighting lamp is installed on the reflector 11;

[0036] The lighting lamp can provide light to make the observation in the gap clearer, and the reflector 11 can reflect the position that cannot be observed directly by the personnel, so as to facilitate the observation by the personnel.

[0037] Specifically, refer to Figure 1 - Figure 4 and Figure 6 - Fig. 9 The adjustment assembly 7 includes three transverse tubes 12, both ends of which are fixed to the bottom of the butt-jointed tube 1 through a butt-jointed plate and are slidably plugged with the supported tube 3. Both ends of the transverse tube 12 are fixed with a ventilation pipe 13 in communication, a handle 14 is fixed to the bottom of the supporting tube 3, a steering adjustment member 15 is installed in the connecting arc tube 4, and the rotation of the mounting frame 9 is controlled by the steering adjustment member 15. A rotating member 16 for controlling the rotation of the insertion rod 10 is fixed on the outside of the mounting frame 9, the ventilation pipe 13 at one end of one transverse tube 12 is butt-jointed with the steering adjustment member 15, and the other two ventilation pipes 13 are fixedly connected with the rotating member 16, and the ventilation pipes 13 at the other ends of the three transverse tubes 12 are fixedly inserted into the handle 14, and a control unit 17 for injecting gas into the transverse tube 12 is installed in the handle 14;

[0038] The rotating member 16 includes a docking box 23 fixed to the outside of the mounting frame 9, two baffles 24 are fixed to the outside of the plug rod 10, and rubber sheets that fit the docking box 23 are fixed to the outer ends of the two baffles 24. A partition 25 that fits the outside of the plug rod 10 is fixed inside the docking box 23, and the two ventilation pipes 13 are respectively located on both sides of the partition 25 and between the two baffles 24;

[0039] Furthermore, the steering adjustment member 15 includes a docking rod 26 fixed in the docking sleeve 8, a sealing plate 27 rotatably connected to the docking rod 26 is fixed in the connecting arc tube 4, a connecting plate 1 28 fixed to the inner wall of the connecting arc tube 4 is fixed in the sealing plate 27, a connecting plate 29 is fixed on the outer side of the docking rod 26, an arc rod 30 slidably plugged with the connecting plate 1 28 is fixed on the connecting plate 29, an arc spring 31 is sleeved on the outer side of the arc rod 30, an exhaust hole 32 is opened on the outer side of the connecting arc tube 4, the exhaust hole 32 is located between the connecting plate 1 28 and the connecting plate 2 29, and the ventilation pipe 13 injects gas into the sealing plate 27, so that the connecting plate 2 29 rotates toward the connecting plate 1 28.

[0040] The principle of the adjustment component 7 to adjust the reflector 11 in a corresponding rotation is as follows: first, the personnel extend the mounting frame 9 and the reflector 11 into the top of the rotating gear accordingly, and then the personnel can observe the space at the top of the rotating gear accordingly through the reflection of the reflector 11. Afterwards, in order to facilitate the personnel to have a better observation angle, the personnel use the control unit 17 to inject gas into the ventilation pipe 13 connected to the sealing plate 27. After the gas is squeezed into one side of the sealing plate 27 connected to the arc tube 4, the gas pressure increases, which will squeeze the connecting plate 29 to move toward the connecting plate 1 28, thereby driving the corresponding rotation of the docking rod 26 and the docking sleeve 8. The mounting frame 9 rotates synchronously, thereby controlling the reflector 11 to rotate accordingly along the rotation of the mounting frame 9, so that the reflector 11 can rotate at a certain angle, which makes it more convenient for personnel to observe. Afterwards, the personnel can also inject air into the two ventilation pipes 13 docked with the docking box 23 through the control unit 17. Through the changes in the gas in the two ventilation pipes 13, the baffle 24 can be pushed, thereby driving the insertion rod 10 to rotate accordingly, thereby controlling the reflector 11 to rotate accordingly along the insertion rod 10, thereby increasing the reflection range of the top of the gear, so that personnel can have a wide observation range and multiple observation angles when performing naked eye observation and detection.

[0041] Meanwhile, in the present solution, the control unit 17 comprises an air injection tube 18 fixed on the handle 14, one end of the air injection tube 18 is fixedly connected to the vent tube 13, and the other end is slidably plugged with an adjustment rod 19, the adjustment rod 19 is located at one end of the air injection tube 18 and is fixed with a piston plate 20, and the other end is fixed with a pressing plate 21, and an extrusion spring 22 for pushing the piston plate 20 outward is installed in the air injection tube 18;

[0042] It should be noted that: when a person presses the button 21, the piston plate 20 can be driven to move, thereby squeezing the gas, and transmitting the gas into the cross pipe 12 through the ventilation pipe 13, and then injecting the gas into the corresponding connecting arc tube 4 or the docking box 23 through the ventilation pipe 13, so as to realize the corresponding rotation adjustment of the reflector 11.

[0043] In this solution, the personnel hold the handle 14, then extend the docking tube 1 and the observation unit 5 into the top of the rotating gear, and walk around the rotating gear, using the lighting on the reflector 11 to provide light, and then using the reflector 11 to reflect the illuminated area, so that the personnel can observe the blind spot area outside the gear that could not be observed before. After that, the personnel can press different pressing plates 21 to make the piston plate 20 move to squeeze the gas, and cooperate with the ventilation pipe 13 and the cross pipe 12 to transmit the gas to the connecting arc tube 4 or the docking box 23. The increase in the air pressure in the connecting plate 1 28 and the connecting plate 2 29 pushes the connecting plate 2 29 toward the connecting plate 1 28, so that the mounting frame 9 and the docking rod 26 can be rotated accordingly, driving the reflector 11 to rotate accordingly, so that the personnel can observe the reflected gear surface from different angles. When the observation unit 5 is extended into the docking place between the rotating gear and other gears, the personnel can observe the gear docking place carefully through the multi-angle rotation of the reflector 11, which is convenient for daily inspection.

[0044] By injecting gas at both ends of the docking box 23, the baffles 24 and the partitions 25 at both ends of the plug rod 10 can be rotated accordingly, so that the reflector 11 can be rotated accordingly, which can reflect a larger range of the blind spot area outside the gear and improve the observation range.

[0045] Example 2: Reference Figure 4 and Figure 5 As shown, this embodiment further illustrates the first embodiment, and the difference lies in that one of the movement limiting modes between the sleeve 2 and the butt pipe 1 is disclosed.

[0046] Specifically, as shown in the figure, a notch 35 is provided at the bottom of the horizontal end of the butt joint pipe 1, a track bar 36 is fixed at the top of the butt joint pipe 1, a groove is provided in the track bar 36, a plurality of limit blocks 37 are fixed at equal intervals in the groove, a limit plate 38 matched with the notch 35 is fixed in the sleeve 2, a rotation groove 39 is provided on the outer side of the sleeve 2, a through opening 40 is provided at the position of the rotation groove 39 corresponding to the track bar 36, and the limit unit 6 includes a limit ring 41 rotatably sleeved on the rotation groove 39, and a limit member 42 that abuts against the plurality of limit blocks 37 is installed in the limit ring 41.

[0047] Furthermore, the limiting member 42 includes two limiting rods 43 slidably inserted on the limiting ring 41, the two limiting rods 43 pass through the through opening 40 and extend into the groove of the track bar 36, the bottom of the limiting rod 43 is fixed with a protrusion 44 that abuts against the limiting block 37, the top of the two limiting rods 43 is installed with a pull ring 45, and the outer side of the limiting rod 43 is covered with a limiting spring 46 that abuts against the protrusion 44 and the bottom of the limiting ring 41.

[0048] It should be noted that when personnel need to adjust the position between the sleeve 2 and the docking tube 1, they first pull up the pull ring 45 to raise the two limit rods 43, and then rotate the limit ring 41 to make the limit rod 43 disengage from the track bar 36. Then, the personnel starts to move the sleeve 2, and when it moves to the appropriate position, the limit ring 41 is rotated again. Under the action of the limit spring 46, the protrusion 44 begins to be plugged into the other adjacent limit block 37, thereby achieving a limiting effect.

[0049] It should also be noted that the outer side of the limit ring 41 and the outer side of the sleeve 2 are engraved with anti-slip grooves for easy movement, the two ends of the track bar 36 are arc-shaped structures, and the bottom of the protrusion 44 is a hemispherical structure, so that when a person rotates the limit ring 41, the protrusion 44 can directly move up along the arc surface of the track bar 36, and when it moves into the groove of the track bar 36, it is engaged with it.

[0050] Example 3: Reference Figure 7 and Fig. 9 As shown, this embodiment further illustrates other embodiments, and the difference lies in the optimization of keeping the reflector 11 horizontal and stable when it rotates.

[0051] Furthermore, a magnetic block is fixed at the joint between the partition 25 and the insertion rod 10, and an iron block that is magnetically attracted to the magnetic block is embedded on the outer side of the insertion rod 10;

[0052] At the same time, arc-shaped sheets 33 are fixed to the outer sides of connecting plate 1 28 and connecting plate 2 29, which are respectively fitted with the docking rod 26 and the inner wall of the connecting arc tube 4. The outer sides of connecting plate 1 28 and connecting plate 2 29 are wrapped with rubber strips for improving the sealing performance, and the inner wall of the connecting arc tube 4 is fixed with abutting strips 34 that abut against the arc-shaped sheets 33.

[0053] It should be noted that: the designed magnetic block and the iron block in the plug rod 10 attract each other, so that when there is no external gas pushing, the reflector 11 is guaranteed to be in a horizontal state;

[0054] At the same time, the designed arc-shaped piece 33 and the rubber strip can improve the sealing performance, so that the rotation of the docking rod 26 can be better adjusted when the air pressure is adjusted.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A port machinery rotation position detection device, comprising: A butt-jointed pipe (1), a sleeve (2) being slidably inserted on the outer side of the horizontal end of the butt-jointed pipe (1), and a supporting pipe (3) being fixed on the bottom of the sleeve (2); It is characterized by further comprising: A connecting arc tube (4) is installed at one end of the butt-jointed tube (1), and an observation unit (5) is rotatably provided at the outer end of the connecting arc tube (4), and the observation unit (5) reflects the blind spot area outside the gear to assist in detection and observation; and a limiting unit (6) installed on the sleeve (2), and controlling the position of the sleeve (2) on the butt joint (1) through the limiting unit (6); and An adjustment component (7) is mounted on the bottom of the supported tube (3), the adjustment component (7) being used to control the angle of the observation unit (5); the observation unit (5) comprises a docking sleeve (8) rotatably docked with the outer end of the connecting arc tube (4), a mounting frame (9) being fixed on the outer side of the docking sleeve (8), and a plug rod (10) being rotatably inserted in the mounting frame (9), a reflector (11) being fixed on the plug rod (10), and a lighting lamp being installed on the reflector (11); the adjustment component (7) comprises three transverse tubes (12), the two ends of the three transverse tubes (12) being fixed to the bottom of the docking tube (1) through docking plates, and being slidably plugged with the supported tube (3), and the two ends of the transverse tubes (12) being fixed with a connection with a A ventilation pipe (13), a handle (14) is fixed at the bottom of the support pipe (3), a steering adjustment member (15) is installed in the connecting arc pipe (4), and the rotation of the mounting frame (9) is controlled by the steering adjustment member (15), and a rotating member (16) for controlling the rotation of the insertion rod (10) is fixed on the outside of the mounting frame (9), the ventilation pipe (13) at one end of one of the transverse pipes (12) is connected to the steering adjustment member (15), and the other two ventilation pipes (13) are fixedly connected to the rotating member (16), the ventilation pipes (13) at the other ends of the three transverse pipes (12) are fixedly inserted into the handle (14), and a control unit (17) for injecting air into the transverse pipe (12) is installed in the handle (14).

2. The port machinery rotation position detection device according to claim 1, characterized in that: The control unit (17) comprises an air injection tube (18) fixed on the handle (14); one end of the air injection tube (18) is fixedly connected to the ventilation tube (13), and the other end is slidably connected with an adjustment rod (19); the adjustment rod (19) is located at one end of the air injection tube (18) and is fixed with a piston plate (20), and the other end is fixed with a pressing plate (21); a compression spring (22) for pushing the piston plate (20) outward is installed in the air injection tube (18).

3. The port machinery rotation position detection device according to claim 1, characterized in that: The rotating member (16) comprises a docking box (23) fixed to the outside of the mounting frame (9); two baffles (24) are fixed to the outside of the insertion rod (10); and rubber sheets that fit the docking box (23) are fixed to the outer ends of the two baffles (24); a partition (25) that fits the outside of the insertion rod (10) is fixed inside the docking box (23); and the two ventilation pipes (13) are respectively located on both sides of the partition (25) and between the two baffles (24).

4. The port machinery rotation position detection device according to claim 3, characterized in that: A magnetic attraction block is fixed at the joint between the partition plate (25) and the insertion rod (10), and an iron block that is magnetically attracted to the magnetic attraction block is embedded on the outside of the insertion rod (10).

5. The port machinery rotation position detection device according to claim 1, characterized in that: The steering adjustment member (15) comprises a docking rod (26) fixed in the docking sleeve (8); a sealing plate (27) rotatably connected to the docking rod (26) is fixed in the connecting arc tube (4); a connecting plate 1 (28) fixed to the inner wall of the connecting arc tube (4) is fixed in the sealing plate (27); a connecting plate 2 (29) is fixed on the outer side of the docking rod (26); an arc rod (30) slidably plugged with the connecting plate 1 (28) is fixed on the connecting plate 2 (29); an arc spring (31) is sleeved on the outer side of the arc rod (30); an exhaust hole (32) is opened on the outer side of the connecting arc tube (4); and the exhaust hole (32) is located between the connecting plate 1 (28) and the connecting plate 2 (29); the ventilation pipe (13) injects gas into the sealing plate (27) so that the connecting plate 2 (29) rotates toward the connecting plate 1 (28).

6. The port machinery rotation position detection device according to claim 5, characterized in that: The outer sides of the connecting plate 1 (28) and the connecting plate 2 (29) are both fixed with arc-shaped sheets (33), and are respectively fitted with the docking rod (26) and the inner wall of the connecting arc tube (4); the outer sides of the connecting plate 1 (28) and the connecting plate 2 (29) are both wrapped with rubber strips for improving sealing performance; and the inner wall of the connecting arc tube (4) is fixed with abutting strips (34) that abut against the arc-shaped sheets (33).

7. The port machinery rotation position detection device according to claim 1, characterized in that: A notch (35) is provided at the bottom of the horizontal end of the butt joint pipe (1), and a track bar (36) is fixed at the top of the butt joint pipe (1), a groove is provided in the track bar (36), and a plurality of limit blocks (37) are fixed in the groove at equal intervals, a limit plate (38) matching the notch (35) is fixed in the sleeve (2), and a rotation groove (39) is provided on the outer side of the sleeve (2), and a through opening (40) is provided in the rotation groove (39) at a position corresponding to the track bar (36), and the limit unit (6) comprises a limit ring (41) rotatably sleeved on the rotation groove (39), and a limit member (42) abutting against the plurality of limit blocks (37) is installed in the limit ring (41).

8. The port machinery rotation position detection device according to claim 7, characterized in that: The limiting member (42) comprises two limiting rods (43) slidably plugged into the limiting ring (41); the two limiting rods (43) pass through the through opening (40) and extend into the groove of the track bar (36); a protrusion (44) abutting against the limiting block (37) is fixed at the bottom of the limiting rod (43); a pull ring (45) is installed at the top of the two limiting rods (43); and a limiting spring (46) abutting against the protrusion (44) and the bottom of the limiting ring (41) is sleeved on the outer side of the limiting rod (43).

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