Rotary blowing vehicle

Abstract

The utility model belongs to the field of blowing vehicles, particularly relates to a rotary blowing vehicle, and aims to solve the problems that the cleaning efficiency and effect are low and the health and safety of personnel are affected as residual dust in a filter bag in a dust remover cannot be efficiently and automatically cleaned in the prior art. A frame handle is fixedly arranged on one side of the vehicle body, and a blocking plate is fixedly arranged at the top of the vehicle body; the rotating mechanism is arranged on the vehicle body and is used for driving the blowing mechanism to rotate on the horizontal plane; and the blowing mechanism is arranged on the rotating mechanism and is used for blowing and cleaning dust in the filter bag of the ash bin of the simple harmonic dust collector. According to the simple harmonic dust remover for the crystal pulling furnace, the rotating mechanism is matched with the blowing mechanism, so that dust remaining in the filter bag in the simple harmonic dust remover for the crystal pulling furnace is efficiently and automatically cleaned, the cleaning efficiency is improved, the health and safety of operators are guaranteed, and meanwhile, the comprehensiveness and thoroughness of the cleaning effect are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spray blowing car, especially relates to rotary spray blowing car. BACKGROUND

[0002] The filter bag in the simple harmonic dust remover for crystal pulling furnace usually refers to the filter bag in the dust removal equipment in the crystal pulling furnace (such as a single crystal silicon growth furnace), and the main function of the filter bag is to filter and capture dust and particles generated in the crystal pulling process, so that the working environment is kept clean and the equipment is normally operated.

[0003] The filter bag in the simple harmonic dust remover for crystal pulling furnace has relatively thick dust remaining in the inside after long-time use, which greatly increases the resistance of the filter bag and seriously affects the crystal pulling process.

[0004] At present, for cleaning the dust remaining in the filter bag in the simple harmonic dust remover for crystal pulling furnace, the traditional method relies on manual high-pressure gas equipment, which is inserted into the inside from the dust cleaning port and directly sprayed upward to remove dust. This operation method not only consumes time and effort, but also has low efficiency. Moreover, since the operator needs to be close to the dust environment, long-term exposure poses a serious threat to health and increases the risk of occupational diseases.

[0005] In view of the above problems, the utility model file puts forward a rotary spray blowing car to solve the above problems. SUMMARY

[0006] The utility model provides a rotary spray blowing car, solves the shortcoming that the prior art cannot realize efficient and automatic cleaning of the dust remaining in the filter bag in the dust remover, and leads to low cleaning efficiency and effect and affects personnel health and safety.

[0007] The utility model provides the following technical scheme:

[0008] The rotary spray blowing car comprises:

[0009] A vehicle body is provided with a handle on one side, a plurality of wheels are fixedly arranged on the bottom of the vehicle body, and a baffle plate is fixedly arranged on the top of the vehicle body;

[0010] A rotating mechanism is arranged on the vehicle body and used to drive the spray blowing mechanism to rotate in the horizontal plane.

[0011] A spray blowing mechanism is arranged on the rotating mechanism and used to spray and clean the dust in the filter bag of the simple harmonic dust remover ash bin.

[0012] In a possible design, the rotating mechanism includes a motor support fixedly arranged on the top of the vehicle body, a vertical pipe outer pipe fixedly arranged on the top of the motor support, a deep groove ball bearing one fixedly arranged in the vertical pipe outer pipe, an air passage rotating shaft fixedly arranged on the inner ring of the deep groove ball bearing one, an oil seal for sealing gas fixedly arranged above the deep groove ball bearing one in the vertical pipe outer pipe, an elastic baffle ring for limiting the position of the deep groove ball bearing one fixedly arranged below the deep groove ball bearing one in the vertical pipe outer pipe, a driving motor fixedly arranged on the motor support, and a coupling fixedly arranged on one end of the output shaft of the driving motor, which is fixedly connected with the air passage rotating shaft.

[0013] In a possible design, the blowing mechanism includes an inner gas conveying pipe arranged through one side of the air passage head, one end of the inner gas conveying pipe is fixedly communicated with the air passage rotating shaft through the air passage head, graphite copper sleeves are fixedly arranged on the outer part of the inner gas conveying pipe, six openings are arranged on the inner gas conveying pipe and the graphite copper sleeves, an outer rotating pipe is rotatably arranged on the outer part of the six graphite copper sleeves, and six injection pipes are fixedly communicated with the outer part of the outer rotating pipe in a staggered manner.

[0014] In a possible design, the top of the air passage rotating shaft is fixedly sleeved with the air passage head through a bolt, a one-way thrust ball bearing is fixedly arranged on the outer ring of the bottom of the air passage head, the lower rotating surface of the one-way thrust ball bearing is fixedly connected with the top of the vertical pipe outer pipe, an O-ring is embedded on the outer ring of the air passage rotating shaft in the air passage head, and a shaft baffle is fixedly arranged on one side of the vertical pipe outer pipe.

[0015] In a possible design, one end of the outer rotating pipe is fixedly provided with a rotating pipe end flange, a deep groove ball bearing two is embedded on the inner side of the rotating pipe end flange, an end shaft is fixedly arranged on the inner ring of the deep groove ball bearing two, one end of the end shaft is sealingly inserted into the inner part of the inner gas conveying pipe, an elastic baffle ring for shaft is fixedly arranged on one side of the deep groove ball bearing two of the rotating pipe end flange, and a rotating pipe end cover is fixedly arranged on one side of the rotating pipe end flange through a bolt.

[0016] In a possible design, six division dials are fixedly arranged on the outer ring of the outer rotating pipe close to the air passage head, six outer rotating bearings are annularly rotatably arranged on the outer diameter of the six division dials, the outer rotating bearings can be disengaged from the abutment with the shaft baffle, six inner rotating bearings are annularly rotatably arranged on the inner diameter of the six division dials, and the inner rotating bearings can be rolled on the top plane of the vertical pipe outer pipe.

[0017] In a possible design, the top of the vehicle body is fixedly provided with a swing base beside the blocking plate, the top of the swing base is movably provided with an X-axis swing frame through a pin shaft, the top of the X-axis swing frame is movably provided with a Y-axis swing frame, the top of the Y-axis swing frame is fixedly provided with an endoscope, the endoscope is electrically connected with an endoscope screen, one side of the X-axis swing frame is fixedly provided with a tension spring, the other end of the tension spring is fixedly connected with the swing base, a pull wire is fixedly arranged on the X-axis swing frame and the Y-axis swing frame, the two sides of the frame handle are respectively fixedly provided with a Y-axis pull handle and an X-axis pull handle, the X-axis swing frame is connected with the X-axis pull handle through the pull wire, and the Y-axis swing frame is connected with the Y-axis pull handle through the pull wire.

[0018] In a possible design, a stepping motor programmer, a stepping motor controller and a power module are fixedly arranged on the frame handle respectively, the power module is electrically connected with the stepping motor programmer, the stepping motor controller and the endoscope screen respectively, the bottom of the vehicle body is fixedly provided with a wheel support beside the swing base, and the bottom of the wheel support is rotatably provided with a supporting wheel supporting the front end of the vehicle body.

[0019] It should be understood that the foregoing general description and the following detailed description are only exemplary, and cannot limit the utility model.

[0020] The utility model discloses the beneficial effect that:

[0021] In the utility model, through the setting of the rotating mechanism, the driving motor drives the rotating mechanism according to the predetermined track, realizes the accurate positioning and movement of the blowing head, so that the operator does not need to enter the high dust environment, and the filter bag bottom is cleaned through the all-round observation of the endoscope, which not only reduces the artificial burden, but also avoids the problems of incomplete cleaning or over-cleaning caused by improper manual operation, and significantly improves the safety and accuracy of cleaning operation.

[0022] In the utility model, through the setting of the blowing mechanism, the outer rotating tube is rotated by the driving motor, and the outer rotating tube is self-rotated through the inner rotating bearing on the six-way dial, and the high-pressure gas is sprayed in turn by using the ejector pipe, forming continuous blowing cleaning action, which not only improves the blowing intensity and coverage, but also ensures the continuity and stability of the cleaning process by automatically switching the ejector pipe, realizes the efficient and uniform cleaning of the dust inside the filter bag, and avoids the influence of dust leakage on the environment and personnel health.

[0023] The utility model realizes the efficient and automatic cleaning of the residual dust in the filter bag of the simple harmonic dust collector for the pulling crystal furnace through the cooperation between the rotating mechanism and the blowing mechanism, which not only improves the cleaning efficiency, but also guarantees the health and safety of the operator, and ensures the comprehensiveness and thoroughness of the cleaning effect. ACCURACY

[0024] Figure 1 The whole and partial component enlarged structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model;

[0025] Figure 2 The whole vehicle frame and partial separation enlarged structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model;

[0026] Figure 3 The rotary mechanism structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model;

[0027] Figure 4 The outer rotary tube section view and A, B partial enlarged structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model;

[0028] Figure 5 The jet flow process and inner gas conveying pipe and outer rotary tube gas hole position structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model;

[0029] Figure 6 The filter bag distribution structure schematic view of the rotary blowing vehicle provided by the embodiment of the utility model.

[0030] Reference signs:

[0031] 1, vehicle body; 2, vehicle frame handle; 3, wheel; 4, endoscope screen; 5, blocking plate; 6, supporting wheel; 7, wheel support; 8, swing frame base; 9, Y-axis swing frame; 10, pin shaft; 11, endoscope; 12, tension spring; 13, X-axis swing frame; 14, Y-axis pull handle; 15, pull wire; 16, stepping motor programmer; 17, stepping motor controller; 18, power module; 19, X-axis pull handle; 20, air passage head; 21, air passage rotating shaft; 22, O-ring; 23, one-way thrust ball bearing; 24, oil seal; 25, deep groove ball bearing one; 26, vertical pipe outer pipe; 27, hole elastic retainer; 28, shaft coupling; 29, motor support; 30, driving motor; 31, blocking shaft; 32, six division dial; 33, outer rotating bearing; 34, inner rotating bearing; 35, outer rotary tube; 36, ejector pipe; 37, graphite copper sleeve; 38, inner gas conveying pipe; 39, end shaft; 40, deep groove ball bearing two; 41, rotary tube end flange; 42, rotary tube end cover; 43, shaft elastic retainer. DETAILED DESCRIPTION

[0032] The embodiments of the utility model will be described below in conjunction with the drawings in the embodiments of the utility model.

[0033] In the description of the embodiments of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms, "connect", "install" should be understood in a broad sense, for example, "connect" can be detachably connected, also can be inseparably connected, can be directly connected, also can be indirectly connected through intermediate medium. In addition, "communication" can be directly communicated, also can be indirectly communicated through intermediate medium. Wherein, "fix" refers to the relative position relationship of being connected with each other and not changing after being connected. The orientation terms mentioned in the embodiments of the utility model, for example, "inner", "outer", "top", "bottom" and the like, are only the direction of reference drawing, therefore, the orientation terms used are for better, more clearly illustrating and understanding the embodiments of the utility model, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the embodiments of the utility model.

[0034] In the embodiments of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0035] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated object, which means that there can be three kinds of relationships, for example, A and / or B can mean that there are three cases of A alone, A and B exist simultaneously and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0036] In the description of the embodiments of the utility model, "one embodiment" or "some embodiments" means that in one or more embodiments of the utility model, the specific features, structures or characteristics described in connection with the embodiment are included. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in other some embodiments" and the like appearing in the description are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized.

[0037] Embodiment 1

[0038] Refer to Figures 1-6 , the rotating spray car, comprising:

[0039] The vehicle body 1 is made of a solid metal material, has sufficient load-bearing capacity and stability, and is provided with a frame handle 2 on one side for easy operation by the operator. The vehicle body 1 serves as the moving platform of the entire device, and is provided at the bottom with a plurality of wheels 3 for easy movement in the work site. The wheels 3 are universal wheels, which ensure that the vehicle body 1 can move flexibly in various complex environments. The vehicle body 1 is provided at the top with a baffle plate 5 for plugging the ash bin opening during the blowing operation to prevent dust leakage.

[0040] The rotating mechanism is arranged on the vehicle body 1 and mainly includes a motor bracket 29, a vertical pipe outer pipe 26, a ventilation shaft 21, a deep groove ball bearing 25, an oil seal 24, a hole elastic retainer 27, a driving motor 30 and a shaft coupling 28. The motor bracket 29 is fixedly installed on the top of the vehicle body 1 and is used to support the main components of the rotating mechanism. The vertical outer pipe 26 is fixedly installed on the motor bracket 29 by bolts and serves as the core support structure of the rotating mechanism and the blowing mechanism. Inside the vertical outer pipe 26, the hole elastic retainer 27, the deep groove ball bearing 25 and the oil seal 24 are sequentially installed from bottom to top. The hole elastic retainer 27 limits the oil seal 24 and the deep groove ball bearing 25. The oil seal 24 is used to seal the gas and prevent leakage, thereby ensuring smooth rotation and sealing of the ventilation shaft 21. The ventilation shaft 21 is fixed in the vertical pipe outer pipe 26 through the deep groove ball bearing 25, and the top is fixed with a ventilation head 20 by bolts and embedded with an O-ring 22 to enhance sealing. The bottom outer ring of the ventilation head 20 is provided with a one-way thrust ball bearing 23. The lower rotating surface of the one-way thrust ball bearing 23 is fixedly connected with the top of the vertical pipe outer pipe 26 and is used to bear the axial force of the entire rotating mechanism to ensure stable rotation of the ventilation shaft 21. The driving motor 30 is connected with the ventilation shaft 21 through the shaft coupling 28 to realize the driving function.

[0041] The blowing mechanism is arranged on the rotating mechanism and includes an inner gas conveying pipe 38, a graphite copper sleeve 37, an outer rotating pipe 35 and an ejector pipe 36. The inner gas conveying pipe 38 penetrates through the ventilation head 20 and is fixedly communicated with the ventilation shaft 21. The graphite copper sleeve 37 is fixedly arranged outside to enhance the sealing and guiding property. The inner gas conveying pipe 38 and the graphite copper sleeve 37 are both provided with six evenly distributed openings. The outer rotating pipe 35 is sealingly and rotatably arranged outside the graphite copper sleeve 37. The outer rotating pipe 35 is communicated with the inner gas conveying pipe 38 and the six openings of the graphite copper sleeve 37 through the six staggered ejector pipes 36 fixedly communicated, thereby realizing the injection of high-pressure gas. One end of the outer rotating pipe 35 is fixedly installed with a rotating pipe end flange 41. The inner side of the rotating pipe end flange 41 is embedded with a deep groove ball bearing 40. The inner ring of the deep groove ball bearing 40 is fixedly installed with an end shaft 39. The end shaft 39 is sealingly inserted into the inner gas conveying pipe 38. The one side of the rotating pipe end flange 41 is installed with an elastic retainer 43 for axial limiting of the outer rotating pipe 35. The rotating pipe end cover 42 is installed by bolts to seal the gas and realize stable rotation and limiting through the deep groove ball bearing 40 and the elastic retainer 43.

[0042] The outer rotating tube 35 is fixed with a six-division disc 32 at one end close to the air vent head 20, the six-division disc 32 is annularly rotatably installed with six outer rotating bearings 33 at the outer diameter and six inner rotating bearings 34 at the inner diameter, to ensure the stability of the blowing mechanism in horizontal rotation and axial rotation, one side of the vertical tube outer tube 26 is fixed with a shaft blocking 31, to cooperate with the outer rotating bearing 33 in the rotating process, to realize the axial rotation of the outer rotating tube 35, the plane of the vertical tube outer tube 26 is designed as two parts of a guide rail and a groove, to guide and limit the rotating path of the outer rotating tube 35.

[0043] On the basis of the first embodiment, the second embodiment further comprises:

[0044] The top of the vehicle body 1 is provided with a swing bracket base 8, which is connected with an X-axis swing bracket 13 through a pin shaft 10, and the top of the X-axis swing bracket 13 is further connected with a Y-axis swing bracket 9, and the top of the Y-axis swing bracket 9 is fixed with a endoscope 11, and the endoscope 11 is electrically connected with an endoscope screen 4 placed on the handle 2 of the vehicle frame through a data line, to display the image in the ash bin.

[0045] The X-axis swing bracket 13 and the Y-axis swing bracket 9 are respectively connected with an X-axis pull handle 19 and a Y-axis pull handle 14 through a pull wire 15, to realize position adjustment, and the handle 2 of the vehicle frame is provided with a stepping motor programmer 16, a stepping motor controller 17 and a power module 18, the power module 18 provides power for the stepping motor programmer 16, the stepping motor controller 17 and the endoscope screen 4, the stepping motor programmer 16 sets the rotation program of a driving motor 30, the stepping motor controller 17 receives instructions and drives the driving motor 30 to work, to realize accurate control of the rotating mechanism.

[0046] The bottom of the vehicle body 1 is further provided with a wheel support 7, and the bottom of the wheel support 7 is rotatably provided with a supporting wheel 6, to provide stable support when inserted into the ash bin opening.

[0047] However, as known to those skilled in the art, the working principle and wiring method of the endoscope screen 1, the endoscope 11, the stepping motor programmer 16, the stepping motor controller 17, the power module 18 and the driving motor 30 are common, which all belong to conventional means or common knowledge, and will not be described here, and those skilled in the art can make any selection according to their needs or convenience.

[0048] The working principle and use process of the technical solution are as follows: first, the operator pushes the rotating blowing vehicle to the vicinity of the ash bin opening of the simple harmonic dust collector, to ensure that the vehicle body 1 is stably parked, then checks whether the power module 18 has been connected to the power supply, to provide power for the stepping motor programmer 16, the stepping motor controller 17 and the endoscope screen 4, and then sets the rotation program of the driving motor 30 through the stepping motor programmer 16, to ensure that the blowing mechanism can rotate and blow according to the predetermined trajectory;

[0049] Then the operator holds the frame handle 2, moves the car body 1 through the wheel 3, inserts the rotating mechanism and the blowing mechanism to the ash bin, in the process of inserting, the supporting wheel 6 supports in the ash bin mouth steel pipe inner wall, keeps the blowing mechanism horizontal, when the rotating mechanism and the blowing mechanism are in place, the blocking plate 5 automatically or manually blocks the ash bin mouth, prevents the dust from leaking out when cleaning the filter bag, at this time, the endoscope 11 goes deep into the ash bin, the operator observes the dust condition of the filter bag in the ash bin through the endoscope screen 4, then according to the need, operates the Y-axis pull handle 14 and the X-axis pull handle 19, controls the Y-axis swing frame 9 and the X-axis swing frame 13 to swing along the Y-axis and the X-axis direction respectively, adjusts the position of the endoscope 11, so as to observe the filter bag bottom in all directions, and determines the cleaning position;

[0050] When the cleaning position is determined, first, the vertical pipe outer pipe 26 is communicated with the air compressor outside, then the step motor controller 17 starts the driving motor 30 according to the instruction of the programmer 16, the driving motor 30 drives the air inlet shaft 21 to rotate through the shaft coupling 28, at this time, the high-pressure gas enters the inner gas conveying pipe 38 through the air inlet shaft 21, and the driving motor 30 rotates synchronously through the inner gas conveying pipe 38 and the outer rotating pipe 35 outside, at this time, the outer rotating pipe 35 rotates on the vertical pipe outer pipe 26 through the inner rotating bearing 34 on the six-way wrench 32, realizes the self-rotation of the outer rotating pipe 35 outside the inner gas conveying pipe 38, and the high-pressure gas is guided to the outer rotating pipe 35 through the graphite copper sleeve 37, and then is sprayed out through the injection pipe 36, the six injection pipes 36 on the outer rotating pipe 35 rotate, only the injection pipe 36 in the vertical upward position sprays the high-pressure gas at the same time, and the surrounding air is sprayed out together, so that the filter bag is cleaned and blown, with the horizontal rotation of the outer rotating pipe 35, when the injection pipe 36 rotates to the blocking shaft 31 position, the outer rotating bearing 33 on the six-way wrench 32 is blocked, so that the outer rotating pipe 35 rotates 60° along the axial direction, and the next injection pipe 36 is switched to blow, in the process of cleaning and blowing, the operator continuously observes the cleaning condition of the filter bag in the ash bin through the endoscope screen 4, adjusts the rotation speed and blowing strength of the blowing mechanism in time according to the observation result, and ensures that the filter bag is thoroughly cleaned, when all the filter bags are cleaned, the driving motor 30 is turned off, and the rotation and blowing of the blowing mechanism are stopped.

[0051] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rotary jet-blowing vehicle, characterized in that, include: The vehicle body (1) has a frame handle (2) fixedly installed on one side, multiple wheels (3) fixedly installed at the bottom of the vehicle body (1), and a blocking plate (5) fixedly installed at the top of the vehicle body (1). A rotating mechanism is mounted on the vehicle body (1) and is used to drive the spraying mechanism to rotate in the horizontal plane; The jet cleaning mechanism is mounted on the rotating mechanism and is used to clean the dust inside the filter bags of the ash hopper of the simple harmonic dust collector by jet cleaning.

2. The rotary jetting vehicle according to claim 1, characterized in that: The rotating mechanism includes a motor bracket (29) fixedly mounted on the top of the vehicle body (1). A vertical outer tube (26) is fixedly mounted on the top of the motor bracket (29). A deep groove ball bearing (25) is fixedly mounted inside the vertical outer tube (26). A venting shaft (21) is fixedly mounted on the inner ring of the deep groove ball bearing (25). An oil seal (24) for sealing gas is fixedly mounted inside the vertical outer tube (26) above the deep groove ball bearing (25). An elastic retaining ring (27) for limiting the position of the deep groove ball bearing (25) is fixedly mounted inside the vertical outer tube (26) below the deep groove ball bearing (25). A drive motor (30) is fixedly mounted on the motor bracket (29). A coupling (28) is fixedly mounted on one end of the output shaft of the drive motor (30). The coupling (28) is fixedly connected to the venting shaft (21).

3. The rotary jetting vehicle according to claim 2, characterized in that: The blowing mechanism includes an inner air supply pipe (38) passing through one side of the air vent (20). One end of the inner air supply pipe (38) passes through the air vent (20) and is fixedly connected to the air vent shaft (21). A graphite copper sleeve (37) is fixedly installed on the outside of the inner air supply pipe (38). Six evenly distributed openings are opened on the outside of both the inner air supply pipe (38) and the graphite copper sleeve (37). The same outer rotating tube (35) is sealed and rotated on the outside of the six graphite copper sleeves (37). Six ejector tubes (36) are fixedly connected at the openings of the inner air supply pipe (38) and the graphite copper sleeve (37) on the outside of the outer rotating tube (35) and are arranged in an alternating manner.

4. The rotary jetting vehicle according to claim 2, characterized in that: The top of the ventilation shaft (21) is fixed with a ventilation head (20) by bolts. A one-way thrust ball bearing (23) is fixedly installed on the bottom outer ring of the ventilation head (20). The lower rotating surface of the one-way thrust ball bearing (23) is fixedly connected to the top of the vertical tube outer pipe (26). An O-ring (22) is embedded in the outer ring of the ventilation shaft (21) inside the ventilation head (20). A stop shaft (31) is fixedly installed on one side of the vertical tube outer pipe (26).

5. The rotary jetting vehicle according to claim 3, characterized in that: One end of the outer rotating tube (35) is fixedly provided with a rotating tube end flange (41). A deep groove ball bearing (40) is embedded in the inner side of the rotating tube end flange (41). An end shaft (39) is fixedly provided on the inner ring of the deep groove ball bearing (40). One end of the end shaft (39) is sealed and inserted into the interior of the inner gas pipe (38). A shaft elastic retaining ring (43) is fixedly provided on one side of the rotating tube end flange (41) at the deep groove ball bearing (40). A rotating tube end cap (42) is fixedly provided on one side of the rotating tube end flange (41) by bolts.

6. The rotary jetting vehicle according to claim 5, characterized in that: The outer rotating tube (35) is fixedly provided with a six-point dial (32) near the outer ring of the vent head (20). The outer diameter of the six-point dial (32) is provided with six outer rotating bearings (33) in a ring shape. The outer rotating bearings (33) can disengage and abut against the stop shaft (31). The inner diameter of the six-point dial (32) is provided with six inner rotating bearings (34) in a ring shape. The inner rotating bearings (34) can disengage and roll on the top plane of the outer tube (26) of the vertical tube.

7. The rotary jetting vehicle according to claim 6, characterized in that: A swing frame base (8) is fixedly installed on the top of the vehicle body (1) next to the blocking plate (5). An X-axis swing frame (13) is movably installed on the top of the swing frame base (8) via a pin (10). A Y-axis swing frame (9) is movably installed on the top of the X-axis swing frame (13). An endoscope (11) is fixedly installed on the top of the Y-axis swing frame (9). The endoscope (11) is electrically connected to the endoscope screen (4). A tension spring is fixedly installed on one side of the X-axis swing frame (13). (12) The other end of the tension spring (12) is fixedly connected to the swing frame base (8). Pull wires (15) are fixedly installed on both the X-axis swing frame (13) and the Y-axis swing frame (9). Y-axis handle (14) and X-axis handle (19) are fixedly installed on both sides of the frame handle (2). The X-axis swing frame (13) is connected to the X-axis handle (19) through the pull wire (15). The Y-axis swing frame (9) is connected to the Y-axis handle (14) through the pull wire (15).

8. The rotary jetting vehicle according to claim 1, characterized in that: A stepper motor programmer (16), a stepper motor controller (17), and a power module (18) are fixedly installed on the handlebar (2) of the frame. The power module (18) is electrically connected to the stepper motor programmer (16), the stepper motor controller (17), and the endoscope (4). A wheel bracket (7) is fixedly installed at the bottom of the vehicle body (1) next to the swing frame base (8). A support wheel (6) supporting the front end of the vehicle body (1) is rotatably installed at the bottom of the wheel bracket (7).

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