Two-dimensional self-rotating sprinkler

Abstract

The present invention provides a two-dimensional self-rotating nozzle, including a nozzle body, a driving assembly and a pushing assembly. The nozzle body includes a main rotary tube and a fixed shell. The main rotary tube is installed in the front inner cavity of the fixed shell, and a rotating nozzle is installed at the front end thereof; the driving assembly is fixed to the rear end of the nozzle body, and a rotating transmission mechanism is installed on the axis of the functional cavity of the driving assembly, whose input end is connected to the main rotary tube, and the output end is a screw, and the guide cavity of the driving assembly is sealed and docked with the fixed channel. The rear end of the screw is connected to the screw sleeve of the pushing assembly, and the water inlet of the pushing assembly is connected to the high-pressure water pipe. The reversing mechanism screw rotates in the direction; the front capsule and the rear capsule are arranged on the outside of the front column and the rear column, and water is alternately filled through the automatic charging and discharging mechanism to realize the push-pull movement. The present invention effectively cleans the fine chemical pipeline by accurately controlling the rotation speed and direction, combining the variable speed push-pull mechanism and the reversing mechanism, and ensures comprehensive and thorough cleaning.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline dirt prevention and cleaning, and specifically relates to a two-dimensional self-rotating nozzle used for cleaning the inner wall of a chemical pipeline. Background Art

[0002] Cleaning the inner wall of chemical fine pipes refers to removing dirt, sediment, scaling substances, oil stains, chemical residues, etc. accumulated inside the chemical pipes through various cleaning methods to ensure smooth flow of fluids, safe operation of equipment and product quality. Especially for chemical pipes with smaller inner diameters, cleaning requirements are more precise and difficult, especially comprehensive cleaning of the inner wall of the pipe is crucial.

[0003] At present, the cleaning technology of the inner wall of chemical fine pipes mainly relies on the following methods. (1) High-pressure water jet cleaning: Use high-pressure water flow to impact the inner wall of the pipe for cleaning. This method is suitable for removing most sediments, but it is less effective for fine dirt or stubborn pollutants on the inner wall of the pipe. (2) Mechanical brushing: Physical cleaning by mechanical brushes or scrapers. This method can remove a certain degree of dirt, but for small pipes, especially pipes with an inner diameter of less than 10 cm, the mechanical cleaning equipment is usually too large to penetrate the inner wall of the fine pipe. (3) Chemical cleaning: Use chemical solvents to remove dirt in the pipe, but the corrosiveness of chemicals may cause damage to the pipe and pose potential hazards to the environment and operators. (4) Manual push cleaning: Manually operate the cleaning equipment to push the brush or nozzle to clean the pipe. Because this method relies on manual labor, it often has problems such as lax cleaning accuracy control, limited cleaning range, and low cleaning efficiency. Especially for deep or curved parts of the pipe, manual push is difficult to achieve ideal results.

[0004] The existing cleaning methods generally have the following problems in high-pressure jet cleaning of chemical fine pipes. (1) Poor cleaning accuracy: It is difficult to control the cleaning accuracy of manual push cleaning, especially for complex structures, deep or curved parts, the cleaning effect is poor, and it is easy to leave dirt. (2) The nozzle equipment is too large: The ordinary rotary nozzle cleaning equipment is large in size, especially the three-dimensional transmission structure used by the rotary nozzle limits its application in fine pipes, and it is difficult to clean the inner wall of the pipe. (3) Incomplete cleaning: Although existing cleaning methods such as water jets and mechanical brushing can remove some dirt, they are not thorough enough to remove stubborn stains and fine pollutants, especially the cleaning effect on the inner wall of fine pipes is limited. (4) More manual intervention and low efficiency: The manual push cleaning method is not only inefficient, but also easily affected by human factors, resulting in incomplete pipeline cleaning, especially in the long, deep or curved parts of the pipeline, the manual cleaning method is not effective.

[0005] Existing chemical pipeline cleaning methods have problems such as insufficient precision, low efficiency and difficulty in penetrating deep into pipelines. Especially for small, deep or curved pipelines, traditional methods often cannot achieve a thorough cleaning effect. Therefore, it is of great practical significance to develop an automated chemical pipeline cleaning nozzle that can penetrate deep into thin pipelines, accurately control the cleaning range, and efficiently complete the cleaning task. Summary of the invention

[0006] In view of the current situation that there is a lack of automated rotating nozzles in the field of cleaning the inner walls of chemical pipelines, the present invention provides a two-dimensional self-rotating cleaning nozzle that utilizes high-pressure jets to flush the inner walls of chemical pipelines, thereby ensuring that the nozzle can be stably advanced in the pipeline, achieving efficient and accurate cleaning of the inner walls of fine chemical pipelines, and improving the cleaning effect.

[0007] The solution of the present invention to solve its technical problem is: adopt a two-dimensional self-rotating sprinkler, including a sprinkler body, and also including a driving assembly, a rotating transmission mechanism, a reversing mechanism, a pushing assembly and an automatic charging and discharging mechanism; the sprinkler body includes a main spiral tube and a fixed shell, the main spiral tube is installed in the front section axial center inner cavity of the fixed shell through a bearing seat and a bearing seal, and the side wall of the rear section axial center inner cavity of the fixed shell is provided with a fixed channel, and the fixed channel is connected with the inner cavity of the main spiral tube through an annular cavity; a rotating sprinkler is installed at the front end of the main spiral tube, and the inner cavity of the main spiral tube is connected with the inner cavity of the rotating sprinkler; the driving assembly includes a front column, a functional cavity and a guide cavity, the functional cavity is located at the axis of the front column, and a group of guide cavities are symmetrically arranged on the front column outside the functional cavity, and a rotating transmission mechanism is installed at the axis of the functional cavity, the input end of the rotating transmission mechanism is connected to the main spiral tube, and the output end of the rotating transmission mechanism is Screw; the front column is fixedly connected to the fixed shell, so that the guide cavity and the fixed channel are sealed and connected; the pushing component includes a rear column, a water inlet and a rear column inner channel, a screw sleeve is fixedly sleeved on the front axial position of the rear column, and the rear end of the screw is connected to the screw sleeve by a threaded connection; a water inlet is arranged on the rear axial center of the rear column, and the water inlet is connected to the high-pressure water pipe; the reversing mechanism is used to control the switching of the rotation direction of the screw by the rotating transmission mechanism; a group of rear column inner channels are symmetrically arranged on the rear column, the rear end of the rear column inner channel is connected to the water inlet, and a fixed water supply pipe is fixed at the front end of the rear column inner channel, and each fixed water supply pipe is sealed and sleeved in the corresponding guide cavity; annular grooves are respectively arranged on the outer sides of the front column and the rear column, and a front capsule and a rear capsule are respectively sleeved in the annular grooves, and the automatic filling and discharging mechanism is used to alternately control the filling of water into the front capsule and the rear capsule.

[0008] Preferably, a reduction mechanism is installed in the rear axial inner cavity of the fixed shell, and the reduction mechanism includes a reduction transmission mechanism and a resistance component, and the resistance component includes an annular seat, a magnetic sheet and a copper ring, and a series of magnetic sheets are evenly fixed on the outer circumferential surface of the annular seat, and a copper ring is sleeved on the outer side of the magnetic sheet, wherein the copper ring is fixed in the rear port of the rear axial inner cavity of the fixed shell, the rear end of the main coil is connected to the input end of the reduction transmission mechanism, and the output end of the reduction transmission mechanism is fixedly connected to the axis of the annular seat.

[0009] Preferably, the reduction transmission mechanism includes a front transverse shaft, a rear transverse shaft and a rear drive shaft, the front transverse shaft and the rear transverse shaft are respectively installed transversely in the inner cavity of the rear section of the fixed shell, the front slave bevel gear and the driving spur gear are fixed on the front transverse shaft at the same time, and the driven spur gear and the rear main bevel gear are fixed on the rear transverse shaft at the same time; the front main bevel gear is fixed at the rear end of the main rotary tube, the rear drive shaft is fixed axially on the annular seat, and the rear slave bevel gear is fixed at the front end of the rear drive shaft, and the transmission relationship between the above gears is: the front main bevel gear is meshed with the front slave bevel gear, the driving spur gear is meshed with the driven spur gear, and the rear main bevel gear is meshed with the rear slave bevel gear.

[0010] Preferably, the rotary transmission mechanism is a speed-changing push-pull mechanism, which includes a screw, a gear ring, a planet carrier, planetary gears and a sun gear. The planet carrier is fixed in the functional cavity, and a plurality of fixed shafts are evenly fixed on the rear periphery of the planet carrier. Planetary gears are respectively mounted on each fixed shaft, and a gear ring is set on the outer side of each planetary gear, and the gear ring is respectively meshed with each planetary gear; a screw disk is fixed on the outer side of the gear ring, the screw is fixed on the rear side of the axis of the screw disk, and a screw front shaft is fixed on the front side of the axis of the screw disk; the sun gear is rotatably set on the outer side of the screw front shaft, and the sun gear is meshed with each planetary gear; a working gear is fixedly set on the front end of the screw front shaft, and there is a matching gap between the working gear and the sun gear; a driving gear is fixedly connected to the rear end of the rear drive shaft, and a sliding key sleeve is set on the outer side of the driving gear, and the front and rear ends of the inner wall of the sliding key sleeve are respectively provided with front and rear ring gears, the front ring gear is always meshed with the driving gear, and the rear ring gear can mesh with the working gear or the sun gear when moving axially.

[0011] Preferably, the reversing mechanism is used to drive the sliding key sleeve to move forward or backward. When the sliding key sleeve moves forward, it can mesh with the working gear, and when the sliding key sleeve moves backward, it can mesh with the sun gear.

[0012] Preferably, the reversing mechanism includes a driving disk, a permanent magnet, an electromagnetic coil, a sealing cover and a controller. The driving disk is fixed on the outside of the sliding key sleeve, the permanent magnet is fixed in the middle of the driving disk, the sealing cover is fixed on the front side of the planetary carrier, and the electromagnetic coils are respectively fixed on the front and rear end walls of the inner cavity of the sealing cover. The controller controls the electromagnetic coils on both sides to generate a magnetic field, which produces forward or backward attraction and repulsion effects on the permanent magnet, thereby moving the driving gear to the working gear meshing position or to the sun gear meshing position; a travel switch or a pressure sensor is arranged between the permanent magnet and the electromagnetic coils on both sides, and the controller controls the reversal of the electromagnetic coil when it receives that the permanent magnet is close to the extreme position of the electromagnetic coil.

[0013] Preferably, two upper and lower semi-enclosed cavities are further provided on the side wall of the front column, and a fixed inner sleeve is respectively sleeved at the center of each semi-enclosed cavity, the upper semi-enclosed cavity is divided into a first cavity P1 at the rear and a second cavity P2 at the front by the fixed inner sleeve, and the lower semi-enclosed cavity is divided into a third cavity P3 at the rear and a fourth cavity P4 at the front by the fixed inner sleeve; two upper and lower cavities are also provided on the side wall of the rear column, the upper cavity is the fifth cavity P5, and the fifth cavity P5 is connected to the water inlet, and the lower cavity is the sixth cavity P6, and the sixth cavity P6 is a semi-enclosed cavity; a main conduit is sealed and fixed at the front end of the fifth cavity P5, and an auxiliary conduit is sealed and fixed at the front end of the sixth cavity P6, and the front end side walls of the main conduit and the auxiliary conduit are both provided with conduit side perforations, wherein a sealing cap is fixed at the front end of the main conduit, and a conduit side blind groove is provided on the outer side wall of the rear section of the main conduit.

[0014] Preferably, the first chamber P1 is connected with the front bag through the front bag water inlet, the third chamber P3 is connected with the outside through the rear bag water outlet, the sixth chamber P6 is connected with the rear bag through the rear bag water inlet, the second chamber P2 is connected with the fourth chamber P4 through an internal connecting tube, and when the main conduit moves to the front end, the second chamber is connected with the outside through the catheter side blind groove.

[0015] The beneficial effects of the present invention are as follows: 1. Efficient cleaning and strong adaptability: through the combination of the nozzle body and the deceleration mechanism, it is ensured that the high-pressure water flow thoroughly flushes the inner wall of the pipeline. The overall design is compact, and the variable speed push-pull mechanism and the reversing mechanism are adopted. It can effectively adapt to the chemical fine pipelines with small inner diameter, large depth and curvature, ensuring that every corner can be effectively cleaned.

[0016] 2. Low energy consumption of intelligent control part: The cleaning nozzle mainly relies on the spraying and rotating action formed by high-pressure water for cleaning power and forward power, without the need for additional complex drive devices. The controller and electromagnet only work instantaneously at the extreme position and are in standby mode for the rest of the time, which greatly reduces energy consumption. This design not only helps save energy, but also achieves compact integrated layout, further optimizes the space occupancy and adaptability of the equipment, and makes its cleaning operation in narrow chemical fine pipes more efficient and reliable.

[0017] 3. High degree of automation: The nozzle is equipped with an automatic water filling and discharging mechanism, which can accurately control the water supply during the cleaning process, reduce manual intervention, and improve work efficiency and accuracy. It can effectively clean deep, curved or difficult-to-reach pipe areas, greatly reducing the instability and insufficiency caused by manual cleaning, and effectively avoiding the potential safety hazards caused by manual operation, especially in high-risk chemical environments. The use of automatic nozzles instead of manual cleaning has greatly improved safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the appearance structure of the two-dimensional self-rotating nozzle of the present invention;

[0019] Figure 2 It is a top view of the two-dimensional self-rotating sprinkler;

[0020] Figure 3 yes Figure 2 Schematic diagram of the AA section structure;

[0021] Figure 4 yes Figure 3 Schematic diagram of the structure of the middle BB section;

[0022] Figure 5 It is a schematic diagram of the assembly relationship of the nozzle body, the reduction transmission mechanism and the resistance component;

[0023] Figure 6 yes Figure 4 The enlarged structural diagram of the middle F part;

[0024] Figure 7 It is a schematic diagram of the appearance of the drive assembly and the internal speed-changing push-pull mechanism;

[0025] Figure 8 yes Figure 4 The enlarged structural diagram of the middle D part;

[0026] Fig. 9 yes Figure 3 The enlarged structural diagram of the middle C part;

[0027] Fig.10 yes Figure 8 The enlarged structural diagram of the middle E part;

[0028] Fig.11 It is a schematic diagram of the coordinated movement relationship between the driving component and the pushing component.

[0029] Numbers in the figure: 1- nozzle body; 2- speed reduction transmission mechanism; 3- resistance assembly; 4- driving assembly; 5- speed change push-pull mechanism; 6- reversing mechanism; 7- pushing assembly; 8- automatic charging and discharging mechanism; 11- main rotary tube; 12- water inlet channel; 13- rotating nozzle; 14- bearing seat; 15- bearing; 16- front main bevel gear; 17- fixed shell; 18- fixed channel; 19- annular cavity; 21- front horizontal axis; 22- rear horizontal axis; 23- horizontal bearing; 24- front slave bevel gear; 25- driving spur gear; 26- driven spur gear; 27- rear main bevel gear; 28- rear slave bevel gear; 29- rear drive shaft; 31- annular seat; 32- magnetic sheet; 33- copper ring; 41- front column; 42- functional cavity; 43- diversion cavity; 44- sealing sleeve; 45- sealing Sealing ring; 46-mounting hole; 51-screw; 510-screw plate; 511-screw front shaft; 52-gear ring; 53-planet carrier; 54-planetary gear; 55-sun gear; 56-inner support sleeve; 57-working gear; 58-driving gear; 59-key sleeve; 61-driving plate; 62-permanent magnet; 63-electromagnetic coil; 64-sealing cover; 71-rear column; 72-water inlet; 73-rear column inner channel; 74-fixed water supply pipe; 75-screw sleeve; 76-main guide pipe; 761-sealing cap; 77-guide pipe; 78-side perforation of guide pipe; 79-side blind groove of guide pipe; 81-fixed inner sleeve; 82-front capsule water inlet; 83-front capsule; 84-rear capsule drain outlet; 85-rear capsule water inlet; 86-rear capsule; 87-internal connecting pipe; 88-wear-resistant layer. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0031] Embodiment 1: A two-dimensional rotating nozzle for cleaning the inner wall of a chemical pipeline, which can not only improve the cleaning efficiency, but also reduce manual intervention, improve safety, and ensure the thoroughness of the cleaning effect. The nozzle mainly includes a nozzle body 1, a speed reduction mechanism, a drive component 4, a speed-changing push-pull mechanism 5, a reversing mechanism 6, a push component 7, and an automatic charging and discharging mechanism 8.

[0032] like Figure 1-Figure 6 The nozzle body 1 shown includes a main spiral tube 11, a water inlet channel 12, a rotating nozzle 13, a bearing seat 14, a bearing 15, a front main bevel gear 16 and a fixed housing 17, as well as a water supply channel, etc. The water supply channel includes a fixed channel 18 and an annular cavity 19.

[0033] The fixed shell 17 includes a front section axial inner cavity and a rear section axial inner cavity. In the front section axial inner cavity of the fixed shell 17, the main coil 11 is sealed and installed through a bearing seat 14 and a bearing 15. In the rear section axial inner cavity of the fixed shell 17, a reduction transmission mechanism 2 and a resistance component 3 are installed in sequence. A fixed channel 18 is arranged on the side wall of the rear section axial inner cavity of the fixed shell 17, and an annular cavity 19 is arranged at the front end of the fixed channel 18. A water inlet channel 12 is arranged at the axis of the main coil 11, and the rear end of the water inlet channel 12 is closed. A water inlet is arranged on the rear end side wall of the main coil 11, and the water inlet is located in the closed annular cavity 19. A rotary nozzle 13 is fixed at the front end of the main coil 11, and the front end of the water inlet channel 12 is connected to the inner channel of the rotary nozzle 13. The side wall of the rotary nozzle 13 is provided with a series of jet ports in different directions. When the high-pressure water flows into the annular cavity 19 from the fixed channel 18 and enters the jet ports of the rotary nozzle 13 through the water inlet channel 12, a rotation thrust is generated due to the inclined arrangement of the jet ports, which can drive the rotary nozzle 13 and the main coil 11 to rotate. Thus, when the rotary nozzle 13 moves forward along the inner wall of the chemical pipeline, it can continuously rotate and spray to clean the inner wall of the pipeline. However, when the rotation speed of the rotary nozzle 13 is too fast, the water power of the spray is almost completely converted into the rotation power of the nozzle, which will reduce the flushing force on the inner wall of the pipeline. For this reason, a deceleration mechanism needs to be added.

[0034] In this embodiment, the deceleration mechanism includes a deceleration transmission mechanism 2 and a resistance component 3. Figure 3-Figure 6 A reduction transmission mechanism 2 shown in the figure comprises a front transverse shaft 21, a rear transverse shaft 22, a transverse bearing 23, a front slave bevel gear 24, a driving spur gear 25, a driven spur gear 26, a rear main bevel gear 27, a rear slave bevel gear 28 and a rear drive shaft 29. The front transverse shaft 21 and the rear transverse shaft 22 are respectively fixedly mounted in the inner cavity of the rear section of the shaft center of the fixed housing 17 through the transverse bearing 23. The front slave bevel gear 24 and the driving spur gear 25 are respectively fixedly mounted on the front transverse shaft 21, the driven spur gear 26 and the rear main bevel gear 27 are fixedly mounted on the rear transverse shaft 22, the front main bevel gear 16 is fixed at the rear end of the main coil 11, the rear drive shaft 29 is fixed in the axial direction of the annular seat 31, and the rear slave bevel gear 28 is fixed at the front end of the rear drive shaft 29. The transmission relationship between the above-mentioned gears is: the front main bevel gear 16 is meshed with the front slave bevel gear 24, the front slave bevel gear 24 and the driving spur gear 25 rotate coaxially and at the same angular velocity, the driving spur gear 25 is meshed with the driven spur gear 26, the driven spur gear 26 and the rear main bevel gear 27 rotate coaxially and at the same angular velocity, and the rear main bevel gear 27 is meshed with the rear slave bevel gear 28.

[0035] like Figure 5 and Figure 6As shown, a resistance assembly 3 includes an annular seat 31, a magnetic sheet 32 ​​and a copper ring 33. A series of magnetic sheets 32 are evenly fixed on the outer circumference of the annular seat 31, and a copper ring 33 is sleeved on the outer side of the magnetic sheet 32, wherein the copper ring 33 is fixed to the rear port position of the rear section of the inner cavity of the fixed housing 17, and the rear drive shaft 29 is fixed to the axis of the annular seat 31. Figure 5 It can be seen that the transmission relationship between the gears from the main vortex 11 to the rear drive shaft 29 is a speed-increasing transmission relationship, so that when the rotary nozzle 13 is rotating, it can drive the annular seat 31 and multiple magnetic pieces 32 to rotate at high speed. Since a series of magnetic pieces 32 rotating at high speed are located in the copper ring 33, and the copper ring 33 is a ring-shaped closed conductor, a magnetic field with a magnetic property opposite to that of each magnetic piece 32 will be generated in the copper ring 33. This magnetic field can limit the rotation speed of each magnetic piece 32 and the rear drive shaft 29, thereby limiting the rotation speed of the main vortex 11. This allows the main vortex 11 to carry high-pressure jet water at a slow speed to rotate and clean the inner wall of the pipeline.

[0036] A drive assembly 4 is fixedly connected to the rear end of the fixed housing 17. Figure 7 and Figure 8 As shown, the drive assembly 4 includes a front column 41, a functional cavity 42, a guide cavity 43, a sealing sleeve 44 and a sealing ring 45. Specifically, a through mounting hole 46 is provided on the side wall of the front column 41 (avoiding the guide cavity and the semi-enclosed cavity), and the front column 41 is connected to the rear end of the fixed housing 17 by bolts. Among them, the functional cavity 42 is located at the axis of the front column 41, the guide cavity 43 is located at a symmetrical position in the side wall of the functional cavity 42, and a screw 51 is installed at the axis of the functional cavity 42. When the fixed housing 17 is fixedly connected to the front column 41, the guide cavity 43 is matched and connected with the fixed channel 18, and a sealing ring 45 is installed between the two. A functional cavity 42 is provided at the center of the front column 41, and a speed change push-pull mechanism 5 is fixedly installed in the functional cavity 42.

[0037] A speed-changing push-pull mechanism 5 Figure 7 and Fig.10As shown, it includes a screw 51, a screw plate 510, a screw front shaft 511, a gear ring 52, a planet carrier 53, a planetary gear 54, a sun gear 55, an inner support sleeve 56, a working gear 57, a driving gear 58, and a key sleeve 59. Specifically, a planet carrier 53 is fixed in the functional cavity 42, and a plurality of fixed shafts (three or four) are evenly fixed on the rear periphery of the planet carrier 53. A planetary gear 54 is mounted on each fixed shaft, and a gear ring 52 is sleeved on the outer side of each planetary gear 54. The teeth on the inner side of the gear ring 52 are meshed with each planetary gear 54. A screw plate 510 is fixed on the outer side of the gear ring 52, a screw 51 is fixed on the rear side of the axis of the screw plate 510, and a screw front shaft 511 is fixed on the front side of the axis of the screw plate 510. A sun gear 55 is slidably mounted on the outer side of the screw front shaft 511, and the sun gear 55 is meshed with each planetary gear 54, wherein the sun gear 55 and the screw front shaft 511 rotate relative to each other, and a lubricated sleeve or bearing can be mounted between the two. A working gear 57 is fixedly mounted on the front end of the screw front shaft 511, and there is a matching clearance between the working gear 57 and the sun gear 55. The rear drive shaft 29 is coaxial with the screw front shaft 511, and a driving gear 58 is fixedly connected to the rear end of the rear drive shaft 29, and a sliding key sleeve 59 is mounted on the outer side of the driving gear 58. Front and rear ring gears are respectively arranged on the front and rear ends of the inner wall of the sliding key sleeve 59, wherein the front ring gear is always meshed with the driving gear 58, and when the rear ring gear moves forward and backward in the axial direction, it can mesh with the working gear 57 when moving forward, and can mesh with the sun gear 55 when moving backward.

[0038] like Figure 7-Figure 9 As shown, the push assembly 7 includes a rear column 71, a water inlet 72, a rear column inner channel 73, a fixed water supply pipe 74, a screw sleeve 75, a main pipe 76, a guide pipe 77, a pipe side perforation 78 and a pipe side blind groove 79. Figure 8 The installation relationship between the fixed water supply pipe 74 and the diversion cavity 43 is shown in FIG. Fig. 9 The installation relationship between the main guide tube 76 and the auxiliary guide tube 77 is shown.

[0039] from Figure 8 As can be seen in the figure, a screw sleeve 75 is fixed at the center of the rear column 71, a rear column inner channel 73 is provided on the side wall of the rear column 71, a fixed water supply pipe 74 is fixed at the front end of the rear column inner channel 73, and the front section of the fixed water supply pipe 74 is sealed and sleeved in the diversion cavity 43. The water from the water inlet 72 passes through the rear column inner channels 73 on both sides, enters the fixed water supply pipe 74, then enters the diversion cavity 43 through the fixed water supply pipe 74, and finally enters the fixed channel 18.

[0040] from Fig. 9It can be seen that the side wall of the front column 41 is also provided with two upper and lower semi-enclosed cavities, and the center of each semi-enclosed cavity is respectively covered with a fixed inner sleeve 81. The upper semi-enclosed cavity is divided into the first cavity P1 at the rear (right side) and the second cavity P2 at the front (left side) by the fixed inner sleeve 81; the lower semi-enclosed cavity is divided into the third cavity P3 at the rear and the fourth cavity P4 at the front by the fixed inner sleeve 81. The side wall of the rear column 71 is also provided with upper and lower cavities, the upper cavity is the fifth cavity P5, and the fifth cavity P5 is connected to the water inlet 72; the lower cavity is the sixth cavity P6, and the sixth cavity P6 is a semi-enclosed cavity. A main conduit 76 is sealed and fixed at the front end of the fifth cavity P5, and a guiding conduit 77 is sealed and fixed at the front end of the sixth cavity P6. The front end side walls of the main conduit 76 and the guiding conduit 77 are both provided with conduit side perforations 78, wherein a sealing cap 761 is fixed at the front end of the main conduit 76. A catheter side blind groove 79 is provided on the outer side wall of the rear section of the main catheter 76, and the catheter side blind groove 79 is not connected to the lumen of the main catheter 76. The front ends of the main catheter 76 and the auxiliary catheter 77 are respectively inserted into the upper and lower semi-enclosed cavities of the front column 41. The ports of the cavities are respectively sealed and fixed with sealing sleeves 44.

[0041] The front end of the screw 51 is connected to the main coil 11 by transmission, and the rear end of the screw 51 is connected to the screw sleeve 75 by thread. The reversing mechanism 6 is used to switch the rotation direction of the screw 51. Specifically, the reversing mechanism 6 is used to drive the key sleeve 59 to move forward or backward. When the key sleeve 59 moves forward, it can mesh with the working gear 57. At this time, the rear drive shaft 29 is directly connected to the screw 51 for rotation. In this process, the screw 51 has a counterclockwise rotation speed V1; when the key sleeve 59 moves backward, it can mesh with the sun gear 55. At this time, the rear drive shaft 29 is connected to the sun gear 55 for rotation. The rotation of the sun gear 55 drives the rotation of each planetary gear 54. The rotation of each planetary gear 54 drives the rotation of the gear ring 52. The rotation of the gear ring 52 drives the screw 51 to rotate. In this process, the screw 51 has a clockwise rotation speed V2. In this process, the rotation speeds of V1 and V2 are opposite, and the rotation speed of V1 is significantly greater than the rotation speed of V2. This process corresponds to moving the driving assembly 4 forward at a relatively slow speed V2 when the pushing assembly 7 is supported by the inner wall of the pipeline, so as to meet the purpose of slowly pushing the rotating nozzle 13 forward. When the rotating nozzle 13 is slowly pushed forward, the inside of the pipeline can be cleaned in a spiral manner along with the rotation of the rotating nozzle 13 itself. When the driving assembly 4 is supported by the inner wall of the pipeline, the pushing assembly 7 needs to approach the driving assembly 4 at a relatively fast speed. At this time, the reverse speed of the screw 51 is V1, so that the pushing assembly 7 can quickly approach the driving assembly 4.

[0042] like Figure 7 and Fig.10As shown, a form of reversing mechanism 6 includes a driving disk 61, a permanent magnet 62, an electromagnetic coil 63 and a sealing cover 64. A driving disk 61 is fixed on the outside of the sliding key sleeve 59, and a permanent magnet 62 is fixed in the middle of the driving disk 61. At the same time, a sealing cover 64 is fixed between the inner support sleeve 56 and the planetary carrier 53, and an electromagnetic coil 63 is fixed on the front and rear inner cavity end walls of the sealing cover 64. The electromagnetic coils 63 on both sides are controlled by a controller to generate a magnetic field, which produces a forward or backward attraction and repulsion effect on the permanent magnet 62 (one side attracts and the other side repels, and the attraction or repulsion is instantaneous, and there is no need to maintain the power supply of the coil during operation). Then the driving gear 58 is moved to the meshing position of the working gear 57 or to the meshing position of the sun gear 55.

[0043] A small circuit board containing a control circuit can be installed in the functional cavity 42, and the power source can be an external power source or a battery installed in the inner cavity of the functional cavity 42. A travel switch or a pressure sensor is arranged between the permanent magnet 62 and the electromagnetic coils 63 on both sides, and the controller controls the electromagnetic coils 63 to reverse when the permanent magnet 62 approaches the limit position of the electromagnetic coils 63.

[0044] Annular grooves are respectively provided on the outer sides of the front column 41 and the rear column 71, and the front bag 83 and the rear bag 86 are respectively covered. The automatic filling and discharging mechanism 8 is used to control the alternating filling of water into the front bag 83 and the rear bag 86. Specifically, Fig. 9 As shown, the automatic charging and discharging mechanism 8 includes a fixed inner sleeve 81, a front capsule water inlet 82, a front capsule 83, a rear capsule drain port 84, a rear capsule water inlet 85, a rear capsule 86, an inner connecting pipe 87, and a wear-resistant layer 88. The first chamber P1 is connected to the front capsule 83 through the front capsule water inlet 82, the third chamber P3 is connected to the outside through the rear capsule drain port 84, the sixth chamber P6 is connected to the rear capsule 86 through the rear capsule water inlet 85, the second chamber P2 is connected to the fourth chamber P4 through the inner connecting pipe 87, and when the main conduit 76 moves to the front end, the second chamber is connected to the outside through the conduit side blind groove 79.

[0045] like Fig.11 As shown, when the sliding key sleeve 59 is meshed with the working gear 57, the next step is to complete the process of the pushing component 7 approaching the driving component 4. Fig.11 In (1), at this time, the high-pressure water of the water inlet 72 enters the main conduit 76 through the fifth chamber P5, and then enters the first chamber P1 from the conduit side perforation 78. The water in the first chamber P1 is pressed into the front capsule 83 through the front capsule water inlet 82, causing the front capsule 83 to expand and press against the inner wall of the pipe to complete the support process. At the same time, the high-pressure water in the rear capsule 86 enters the sixth chamber P6 through the rear capsule water inlet 85, and then is discharged into the third chamber P3 through the auxiliary conduit 77, and is discharged from the rear capsule drain port 84. That is, in this process, the flushing support of the front capsule 83 and the water release and collapse of the rear capsule 86 are completed. Fig.11In (2), since the main guide tube 76 and the auxiliary guide tube 77 have respectively entered the fixed inner sleeve 81, this process is a maintenance process, that is, the high-pressure expansion of the front bag 83 and the low-pressure contraction of the rear bag 86 are maintained. Fig.11 In (3), as the pushing assembly 7 approaches the driving assembly 4, the front end of the main conduit 76 will enter the second chamber P2, and the front end of the auxiliary conduit 77 will enter the fourth chamber P4. At this time, the high-pressure water from the water inlet 72 and the fifth chamber P5 enters the second chamber P2 through the main conduit 76, and then enters the fourth chamber P4 through the wear-resistant layer 88. The high-pressure water in the fourth chamber P4 enters the tube cavity through the catheter side perforation 78 of the auxiliary conduit 77, and then is discharged into the sixth chamber P6, and finally enters the rear capsule 86 through the rear capsule water inlet 85. At the same time, the high-pressure water in the front capsule 83 enters the first chamber P1, and is discharged to the outside through the catheter side blind groove 79. In this process, the front capsule 83 contracts as it discharges the high-pressure water, and the rear capsule 86 expands as it rushes into the high-pressure water. Fig.11 After the process (1) to (3) in the process, the sliding key sleeve 59 is moved forward by the reversing mechanism 6, and the sliding key sleeve 59 is meshed with the sun gear 55, completing the reverse process of (3) to (1), which is the working process of high-pressure jet water flushing.

[0046] Based on the above scheme, the specific application process of the chemical pipeline inner wall cleaning nozzle (robot) when in use is as follows. First, connect the cleaning nozzle to the water inlet of the pipeline to ensure that the water supply pipeline and the nozzle are tightly connected. According to the specifications and cleaning requirements of the pipeline, adjust the working mode of the nozzle (such as propulsion speed, rotation speed, etc.) to ensure that the nozzle can work stably and the water supply system starts normally to provide high-pressure water flow for subsequent cleaning. As the nozzle is pushed forward, the rotating nozzle 13 begins to clean the inner wall of the pipeline by spraying high-pressure water. The water flows into the water inlet channel 12 and is sprayed through the injection port of the rotating nozzle to form a rotational thrust. The rotating nozzle 13 can rotate on its own and push the main coil 11 forward at the same time, thereby performing a comprehensive rotational cleaning of the inner wall of the pipeline. The water flow is sprayed through the inclined injection port, with strong cleaning power, which can effectively remove dirt and sediment in the pipeline. When the rotating nozzle starts to work, the magnetic sheet 32 ​​and the copper ring 33 in the speed reduction mechanism generate a reverse magnetic field, which reduces the rotation speed of the main rotary tube 11, ensures that the rotation speed is within a reasonable range, avoids the rotating nozzle from rotating too fast, maintains the intensity of the spray water flow, and improves the cleaning effect. At the same time, the stable rotation speed ensures the efficiency and accuracy of the cleaning process.

[0047] Switching of working mode: The reversing mechanism 6 will automatically switch the rotation direction of the screw 51 to realize the alternation of working mode and moving mode. In the working mode, the pushing component 7 acts as a supporting component, pushing the rotating nozzle forward at a slow speed to meet the requirements of fine washing. In the moving mode, the driving component 4 acts as a supporting component to make the pushing component 7 move forward quickly. The automatic charging and discharging mechanism 8 cooperates with the working mode and the moving mode to maintain the stability and movement of the nozzle in the pipeline by controlling the filling and drainage of the front capsule 83 and the rear capsule 86. When the nozzle is pushed forward, the front capsule 83 expands and contacts the inner wall of the pipeline to support the nozzle, and the rear capsule 86 contracts; when the nozzle needs to be pushed forward quickly, the rear capsule 86 expands and the front capsule 83 contracts. The high-pressure water flow provides stable thrust and support through the filling and drainage functions of the front and rear capsules, ensuring that the nozzle always operates stably in the pipeline, while avoiding uneven pressure that causes the nozzle to be unable to be pushed smoothly. After the pipeline cleaning is completed, switch the nozzle to the withdrawal mode (keep the drive component and the push component in the extended state, turn off the power and cut off the water, push the water pipe forward to make the push component close to the drive component to empty the bag water, and then pull it out). During the entire use process, the nozzle can achieve efficient and stable cleaning in a complex pipeline environment through the cooperation of the rotating nozzle, the reduction mechanism, the variable speed push-pull system, the reversing mechanism and the hydraulic support system. The automated hydraulic support and adjustment system makes the nozzle's propulsion process more stable, and the design of the variable speed and reversing mechanism ensures the flexibility and efficiency of the nozzle, and adapts to the cleaning needs of different pipeline inner walls.

[0048] The above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. It should be noted that, unless otherwise specified and limited, the terms "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

Claims

1. A two-dimensional self-rotating nozzle, comprising a nozzle body (1), characterized in that: The nozzle body (1) further comprises a driving assembly (4), a rotary transmission mechanism, a reversing mechanism (6), a pushing assembly (7) and an automatic charging and discharging mechanism (8); the nozzle body (1) comprises a main coil (11) and a fixed housing (17); the main coil (11) is sealed and installed in the front axial inner cavity of the fixed housing (17) through a bearing seat (14) and a bearing (15); a fixed channel (18) is provided on the side wall of the rear axial inner cavity of the fixed housing (17); the fixed channel (18) is connected to the inner cavity of the main coil (11) through an annular cavity (19); a rotary nozzle (13) is installed at the front end of the main coil (11); the inner cavity of the main coil (11) is connected to the inner cavity of the rotary nozzle (13); the driving assembly (4) comprises a front column (41), a functional cavity (42), and a plurality of functional cavities (43). (42) and a guide cavity (43), the functional cavity (42) being located at the axis of the front column (41), a group of guide cavities (43) being symmetrically arranged on the front column (41) outside the functional cavity (42), a rotary transmission mechanism being installed at the axis of the functional cavity (42), the input end of the rotary transmission mechanism being connected to the main spiral tube (11), and the output end of the rotary transmission mechanism being a screw (51); the front column (41) being fixedly connected to the fixed housing (17), so that the guide cavity (43) and the fixed channel (18) are sealed and connected; the pushing assembly (7) comprising a rear column (71), a water inlet (72) and a rear column inner channel (73), a screw sleeve (75) being fixedly sleeved at the front axis position of the rear column (71), the screw ( The rear end of the rear column (71) is connected to the screw sleeve (75) by a threaded connection; a water inlet (72) is provided at the rear axis of the rear column (71), and the water inlet (72) is connected to the high-pressure water pipe; the reversing mechanism (6) is used to control the rotation direction of the screw (51) by the rotating transmission mechanism; a group of rear column inner channels (73) are symmetrically provided on the rear column (71), the rear ends of the rear column inner channels (73) are connected to the water inlet (72), and fixed water supply pipes (74) are fixed to the front ends of the rear column inner channels (73), and each fixed water supply pipe (74) is respectively sealed and sleeved in the corresponding guide cavity (43); annular grooves are respectively provided on the outer sides of the front column (41) and the rear column (71), and the front capsule (83) and the rear capsule (84) are respectively sleeved in the annular grooves. 6), the automatic filling and discharging mechanism (8) is used to alternately control the filling and discharging of water into the front bag (83) and the rear bag (86); the side wall of the front column (41) is also provided with two upper and lower semi-enclosed cavities, and the center of each semi-enclosed cavity is respectively covered with a fixed inner sleeve (81), the upper semi-enclosed cavity is divided into a first cavity (P1) at the rear and a second cavity (P2) at the front by the fixed inner sleeve (81), and the lower semi-enclosed cavity is divided into a third cavity (P3) at the rear and a fourth cavity (P4) at the front by the fixed inner sleeve (81); the side wall of the rear column (71) is also provided with two upper and lower cavities, the upper cavity is the fifth cavity (P5), and the fifth cavity (P5) is connected to the water inlet (72), and the lower cavity is the sixth cavity (P6), and the sixth cavity (P6) is a semi-enclosed cavity;A main conduit (76) is sealed and fixed at the front end of the fifth chamber (P5), and a guiding conduit (77) is sealed and fixed at the front end of the sixth chamber (P6). The front end side walls of the main conduit (76) and the guiding conduit (77) are both provided with conduit side perforations (78), wherein a sealing cap (761) is fixed at the front end of the main conduit (76), and a conduit side blind groove (79) is provided on the rear outer side wall of the main conduit (76); the first chamber (P1) is connected to the front capsule (83) through the front capsule water inlet (82), the third chamber (P3) is connected to the outside through the rear capsule water outlet (84), the sixth chamber (P6) is connected to the rear capsule (86) through the rear capsule water inlet (85), the second chamber (P2) and the fourth chamber (P4) are connected through an inner connecting pipe (87), and when the main conduit (76) moves to the front end, the second chamber is connected to the outside through the conduit side blind groove (79). ; 2. The two-dimensional self-rotating nozzle according to claim 1, characterized in that: A speed reduction mechanism is installed in the rear axial center inner cavity of the fixed housing (17), the speed reduction mechanism comprising a speed reduction transmission mechanism (2) and a resistance assembly (3), the resistance assembly (3) comprising an annular seat (31), magnetic sheets (32) and a copper ring (33), a series of magnetic sheets (32) are evenly fixed on the outer circumferential surface of the annular seat (31), and the copper ring (33) is sleeved on the outer side of the magnetic sheets (32), wherein the copper ring (33) is fixed in the rear port of the rear axial center inner cavity of the fixed housing (17), the rear end of the main coil (11) is connected to the input end of the speed reduction transmission mechanism (2), and the output end of the speed reduction transmission mechanism (2) is fixedly connected to the axis of the annular seat (31).

3. The two-dimensional self-rotating nozzle according to claim 2, characterized in that: The reduction transmission mechanism (2) comprises a front transverse shaft (21), a rear transverse shaft (22) and a rear drive shaft (29); the front transverse shaft (21) and the rear transverse shaft (22) are respectively installed transversely in the inner cavity of the rear section of the fixed housing (17); a front slave bevel gear (24) and a driving spur gear (25) are fixed on the front transverse shaft (21); and a driven spur gear (26) and a rear main bevel gear (27) are fixed on the rear transverse shaft (22); the front main bevel gear (16) is fixed at the rear end of the main rotary tube (11); the rear drive shaft (29) is fixed axially on the annular seat (31); and a rear slave bevel gear (28) is fixed at the front end of the rear drive shaft (29); the transmission relationship between the above gears is: the front main bevel gear (16) is meshed with the front slave bevel gear (24); the driving spur gear (25) is meshed with the driven spur gear (26); and the rear main bevel gear (27) is meshed with the rear slave bevel gear (28).

4. The two-dimensional self-rotating nozzle according to claim 3, characterized in that: The rotary transmission mechanism is a speed-changing push-pull mechanism (5), which comprises a screw (51), a gear ring (52), a planet carrier (53), a planetary gear (54) and a sun gear (55). The planet carrier (53) is fixed in the functional cavity (42), a plurality of fixed shafts are evenly fixed on the rear periphery of the planet carrier (53), a planetary gear (54) is mounted on each fixed shaft, a gear ring (52) is sleeved on the outer side of each planetary gear (54), and the gear ring (52) is meshed with each planetary gear (54); a screw disk (510) is fixed on the outer side of the gear ring (52), the screw (51) is fixed on the rear side of the axis of the screw disk (510), and a screw is fixed on the front side of the axis of the screw disk (510). A front shaft (511); a sun gear (55) is rotatably mounted on the outer side of the screw front shaft (511), and the sun gear (55) meshes with each planetary gear (54); a working gear (57) is fixedly mounted on the front end of the screw front shaft (511), and a matching clearance exists between the working gear (57) and the sun gear (55); a driving gear (58) is fixedly connected to the rear end of the rear drive shaft (29), a key sleeve (59) is mounted on the outer side of the driving gear (58), and front and rear ring gears are respectively arranged on the front and rear ends of the inner wall of the key sleeve (59), wherein the front ring gear is always meshed with the driving gear (58), and the rear ring gear can mesh with the working gear (57) or the sun gear (55) when moving axially.

5. The two-dimensional self-rotating nozzle according to claim 4, characterized in that: The reversing mechanism (6) is used to drive the sliding key sleeve (59) to move forward or backward. When the sliding key sleeve (59) moves forward, it can mesh with the working gear (57), and when the sliding key sleeve (59) moves backward, it can mesh with the sun gear (55).

6. The two-dimensional self-rotating nozzle according to claim 5, characterized in that: The reversing mechanism (6) comprises a driving disk (61), a permanent magnet (62), an electromagnetic coil (63), a sealing cover (64) and a controller. The driving disk (61) is fixed on the outside of the sliding key sleeve (59), the permanent magnet (62) is fixed in the middle of the driving disk (61), the sealing cover (64) is fixed on the front side of the planet carrier (53), and the electromagnetic coils (63) are respectively fixed on the front and rear end walls of the inner cavity of the sealing cover (64). The electromagnetic coils (63) on both sides are controlled by the controller to generate magnetic fields, which produce forward or backward attraction and repulsion effects on the permanent magnets (62), thereby realizing the movement of the driving gear (58) to the meshing position of the working gear (57) or to the meshing position of the sun gear (55). A travel switch or a pressure sensor is arranged between the permanent magnet (62) and the electromagnetic coils (63) on both sides. When the controller receives that the permanent magnet (62) is close to the limit position of the electromagnetic coil (63), the electromagnetic coil (63) is controlled to reverse.

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