High-pressure jet cleaning mechanism and spray head assembly thereof
By designing a high-pressure jet cleaning mechanism with a rotatable nozzle module and a multi-axis robotic arm, the problems of high operational difficulty and safety hazards of high-pressure jet cleaning were solved, enabling multi-angle cleaning and automated operation, thus improving cleaning quality and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-24
AI Technical Summary
High-pressure jet cleaning presents challenges in the petrochemical, steel, and nuclear power industries, including high operational difficulty, significant risks, and harsh environments. In particular, the operating pressure exceeds 200 MPa during scale removal, which increases the difficulty and safety hazards of manual operations.
A nozzle assembly was designed, including a rotatable nozzle module and a drive module, which can rotate in both horizontal and vertical directions. Combined with a multi-axis robot, it can achieve cleaning at multiple angles and positions, replacing manual labor.
It effectively eliminates cleaning blind spots, improves cleaning quality, reduces safety accidents, realizes automated cleaning, and eliminates the safety hazards of manual operation.
Smart Images

Figure CN224025880U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of high-pressure jet cleaning, in particular to a high-pressure jet cleaning mechanism and a nozzle assembly thereof. BACKGROUND
[0002] At present, in the field of petrochemical industry, steel and nuclear power, in order to eliminate the cleaning dead angle as much as possible, the operator usually needs to hold a high-pressure water gun to perform high-pressure jet cleaning. However, the working pressure of high-pressure jet cleaning is usually greater than 100 MPa, and when cleaning special materials, the working pressure is even greater than 200 MPa, which greatly increases the difficulty of manual operation and has a high risk coefficient. At the same time, the on-site working environment of high-pressure jet cleaning is poor, which can easily cause damage to the health of the operator. CONTENT OF THE UTILITY MODEL
[0003] An object of the present application is to overcome the deficiencies of the prior art and provide a nozzle assembly.
[0004] The nozzle assembly provided by the present application adopts the following technical solution:
[0005] A nozzle assembly comprises a first base, a nozzle module rotatable about a horizontal direction and a vertical direction and arranged on the first base, and a first driving module for driving the nozzle module to rotate.
[0006] By adopting the above technical solution, the nozzle module can rotate about the horizontal direction and the vertical direction under the driving of the first driving module, so as to change the jet angle of the nozzle module, realize multi-angle cleaning, effectively eliminate the cleaning dead angle, and improve the cleaning quality. At the same time, manual operation is not required, and the occurrence of safety accidents is reduced.
[0007] In a specific implementable embodiment, the nozzle assembly further comprises a first rotary seat rotatably connected to the first base, the nozzle module is rotatably connected to the first rotary seat, and the rotation axis between the first rotary seat and the first base and the rotation axis between the nozzle module and the first rotary seat are perpendicular to each other.
[0008] By adopting the above technical solution, the nozzle module can rotate about the two directions perpendicular to each other under the cooperation of the first rotary seat and the first base, effectively improving the operation range of the nozzle module, so as to further improve the cleaning quality.
[0009] In a specific implementable embodiment, the first rotary seat is coaxially connected to the side of the first base, and the rotation axis between the first rotary seat and the first base extends along the vertical direction.
[0010] In one specific implementation, the spray head module is hinged to the first rotary seat side portion, and the rotation axis between the two extends in a horizontal direction.
[0011] In one specific implementation, the spray head module comprises a spray head body, a nozzle arranged on the spray head body, the nozzle comprising a connecting pipe connected to the spray head body, at least one set of spray pipe groups communicated with the connecting pipe, the spray pipe groups comprising two spray pipes symmetrically arranged with respect to the connecting pipe.
[0012] By adopting the above technical solution, the two spray pipes can rotate to the side during rotation of the spray head module and form a shearing plane, further improving the cleaning quality.
[0013] Another object of the present application is to provide a high-pressure jet cleaning mechanism.
[0014] The high-pressure jet cleaning mechanism provided by the present application adopts the following technical solution:
[0015] A high-pressure jet cleaning mechanism comprises a movable mechanism body, and the mechanism body is provided with the spray head assembly as described above.
[0016] By adopting the above technical solution, the spray head assembly can move with the mechanism body for cleaning, so that the mechanism body can replace the workers to clean in dangerous areas, effectively eliminating safety hazards.
[0017] In one specific implementation, the mechanism body comprises a second base, and a multi-axis manipulator arranged on the second base, and the distal end of the multi-axis manipulator is connected with the spray head assembly.
[0018] By adopting the above technical solution, the spray head assembly can be adjusted in cleaning position and cleaning height under the driving of the multi-axis manipulator, further improving the cleaning quality.
[0019] In one specific implementation, the multi-axis manipulator comprises a plurality of mechanically interconnected arms, and a second driving module for driving the plurality of arms to rotate.
[0020] In one specific implementation, the distal end of the multi-axis manipulator is hinged with a hollow working head, and the spray head assembly is accommodated in the working head.
[0021] By adopting the above technical solution, the working head can protect the spray head assembly, preventing foreign matter from entering the spray head assembly and affecting the spraying effect of the spray head assembly.
[0022] In one specific implementation, a second rotating base is rotatably connected to the second base, and the multi-axis robot is hinged to the second rotating base, and the high-pressure jet cleaning mechanism further comprises a third driving module for driving the second rotating base to rotate.
[0023] By using the above technical solution, the multi-axis robot can rotate under the driving of the second rotating base, and the nozzle assembly can be cleaned within a circumferential range under the driving of the multi-axis robot, effectively expanding the cleaning range and eliminating the cleaning dead angle.
[0024] In summary, the present application has at least one of the following beneficial technical effects:
[0025] 1. The nozzle module can be carried on the first base and rotated around the horizontal direction and the vertical direction under the driving of the first driving module to change the spray angle of the nozzle module, realize multi-angle cleaning, effectively eliminate the cleaning dead angle, and improve the cleaning quality.
[0026] 2. No need for manual operation, reducing the occurrence of safety accidents;
[0027] 3. The nozzle assembly can move with the mechanism body for cleaning, so that the mechanism body can replace the workers to enter the dangerous area, eliminating the safety hazard. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a structure schematic view of the nozzle assembly in Embodiment 1 of the present application.
[0029] Figure 2 is a structure schematic view of the high-pressure jet cleaning mechanism in Embodiment 2 of the present application.
[0030] Figure 3 is a longitudinal sectional view of Figure 2 .
[0031] Figure 4 is an enlarged schematic view of A in Figure 3 .
[0032] BRIEF DESCRIPTION OF DRAWINGS
[0033] 1, first base; 2, nozzle module; 21, nozzle body; 22, nozzle; 221, connecting pipe; 222, spray pipe; 3, first driving module; 4, first rotating base; 5, mechanism body; 51, second base; 52, multi-axis robot; 521, first mechanical arm; 522, second mechanical arm; 523, third mechanical arm; 524, working head; 525, second driving module; 53, second rotating base; 54, third driving module; 6, track; 7, support leg. DETAILED DESCRIPTION
[0034] The application will be described in further detail below with reference to the drawings.
[0035] Embodiment 1: refer to Figure 1 As shown in the figure, a nozzle assembly is shown, which comprises a first base 1, a nozzle module 2 arranged at the bottom of the first base 1 and rotatable around the horizontal direction and the vertical direction, and a first driving module 3 for driving the nozzle module 2 to rotate.
[0036] In the actual cleaning process, the nozzle assembly can be installed on a walking mechanism, which can be a trolley or a robot in the prior art. The walking mechanism drives the nozzle assembly to move and clean. The nozzle module 2 can rotate around the horizontal direction and the vertical direction under the driving of the first driving module 3 to change the spray angle of the nozzle module 2, realize multi-angle cleaning, effectively eliminate the cleaning dead angle, and improve the cleaning quality; at the same time, it is not necessary to work manually, and the occurrence of safety accidents is reduced.
[0037] In this embodiment, the nozzle assembly further comprises a first rotating seat 4 coaxially connected to the bottom of the first base 1, the nozzle module 2 is hinged to the bottom of the first rotating seat 4, the rotation axis between the first rotating seat 4 and the first base 1 extends along the vertical direction, and the rotation axis between the nozzle module 2 and the first rotating seat 4 extends along the horizontal direction; the first driving module 3 comprises a motor for driving the first rotating seat 4 to rotate and an oil cylinder for driving the nozzle module 2 to rotate, the output shaft of the motor is coaxially connected with the first rotating seat 4, and the cylinder body and the piston rod of the oil cylinder are respectively hinged with the first rotating seat 4 and the nozzle module 2.
[0038] In the cleaning process of the nozzle module 2, the oil cylinder drives the nozzle module 2 to swing around the horizontal direction to realize multi-angle cleaning in the vertical direction, and the motor drives the first rotating seat 4 to rotate around the vertical direction to realize rotary cleaning of the nozzle module 2 in the circumferential direction, effectively improving the working range of the nozzle module 2, thereby further improving the cleaning quality.
[0039] In this embodiment, the nozzle module 2 comprises a hollow nozzle body 21 and a nozzle 22 arranged on the nozzle body 21, the nozzle body 21 is connected with an external high-pressure water supply pipe, the nozzle 22 comprises a connecting pipe 221 communicated with the bottom of the nozzle body 21 and a spray pipe group communicated with the connecting pipe 221, and the spray pipe group comprises two spray pipes 222 symmetrically arranged about the connecting pipe 221. The two spray pipes 222 can rotate and spray towards the side during the rotation of the nozzle module 2 driven by the first rotating seat 4, and form a shear plane, further improving the cleaning quality.
[0040] Embodiment 2:
[0041] As Figures 2-4As shown, the embodiment discloses a high-pressure jet cleaning mechanism, which comprises a movable mechanism body 5, and a nozzle assembly in embodiment 1 is arranged on the mechanism body 5. In the actual cleaning process, the nozzle assembly can move and clean along with the mechanism body 5, so that the mechanism body 5 can replace the workers to clean in the dangerous area, and effectively prevent the safety hazards.
[0042] In the embodiment, the mechanism body 5 comprises a second base 51, a four-axis manipulator arranged on the second base 51, the four-axis manipulator comprising: a first mechanical arm 521, a second mechanical arm 522, a third mechanical arm 523 and a working head 524 which are sequentially hinged, and a second driving module 525 for driving the first mechanical arm 521, the second mechanical arm 522, the third mechanical arm 523 and the working head 524 to rotate respectively. Among them, the rotation axes of the first mechanical arm 521, the second mechanical arm 522, the third mechanical arm 523 and the working head 524 are parallel to each other and respectively extend along the horizontal direction; the working head 524 is hollowly arranged, and the nozzle assembly is accommodated in the working head 524; the second driving module 525 comprises four oil cylinders for driving the first mechanical arm 521, the second mechanical arm 522, the third mechanical arm 523 and the working head 524 to rotate respectively. The nozzle assembly can be adjusted in cleaning position and cleaning height under the driving of the four-axis manipulator, further improving the cleaning quality; and the working head 524 can protect the nozzle assembly to prevent foreign matters from entering the nozzle assembly and affecting the jetting effect of the nozzle assembly.
[0043] In the embodiment, the second base 51 is coaxially and rotatably connected with a second rotating seat 53, the rotation axis of the second rotating seat 53 extends along the vertical direction, the four-axis manipulator is hinged on the second rotating seat 53 and its rotation axis extends along the horizontal direction, and the high-pressure jet cleaning mechanism further comprises a third driving module 54 for driving the second rotating seat 53 to rotate, and the third driving module 54 is an electric motor. The four-axis manipulator can rotate under the driving of the second rotating seat 53, and the nozzle assembly can be cleaned in the circumferential range under the driving of the four-axis manipulator 52, effectively expanding the cleaning range and eliminating the cleaning dead angle.
[0044] In the embodiment, the second base 51 is further hinged with a caterpillar 6 at the bottom for driving the second base 51 to move, and four supporting legs 7 are further hinged at the four ends of the circumferential side of the second base 51 respectively, the four supporting legs 7 can be kept in the folded state or the opened state, and the specific keeping structure and principle are the prior art, which will not be described here. When it is needed to move, the four supporting legs 7 are collected to enable the caterpillar 6 to drive the second base 51 to move; when it is not needed to move, the four supporting legs 7 are opened and supported on the ground.
[0045] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A nozzle assembly, characterized in that: It includes a first base (1), a nozzle module (2) rotatable about the horizontal and vertical directions and mounted on the first base (1), and a first drive module (3) for driving the nozzle module (2) to rotate.
2. The nozzle assembly according to claim 1, characterized in that: The nozzle assembly further includes a first rotating seat (4) rotatably connected to the first base (1), the nozzle module (2) is rotatably connected to the first rotating seat (4), and the rotation axis between the first rotating seat (4) and the first base (1) and the rotation axis between the nozzle module (2) and the first rotating seat (4) are perpendicular to each other.
3. A nozzle assembly according to claim 2, characterized in that: The first rotating seat (4) is coaxially connected to the side of the first base (1), and the axis of rotation between the two extends in the vertical direction.
4. A nozzle assembly according to claim 2, characterized in that: The nozzle module (2) is hinged to the side of the first rotating seat (4) and the axis of rotation between the two extends in the horizontal direction.
5. A nozzle assembly according to any one of claims 1-4, characterized in that: The nozzle module (2) includes a nozzle body (21) and a nozzle (22) disposed on the nozzle body (21). The nozzle (22) includes a connecting pipe (221) connected to the nozzle body (21) and at least one set of nozzles connected to the connecting pipe (221). The nozzle set includes two nozzles (222) symmetrically arranged about the connecting pipe (221).
6. A high-pressure jet cleaning mechanism, comprising a movable mechanism body (5), characterized in that: The main body (5) of the mechanism is provided with a nozzle assembly as described in any one of claims 1-5.
7. A high-pressure jet cleaning mechanism according to claim 6, characterized in that: The mechanism body (5) includes a second base (51) and a multi-axis manipulator (52) disposed on the second base (51), the end of which is connected to the nozzle assembly.
8. A high-pressure jet cleaning mechanism according to claim 7, characterized in that: The multi-axis manipulator (52) includes multiple articulated manipulators and a second drive module (525) for driving the multiple manipulators to rotate.
9. A high-pressure jet cleaning mechanism according to claim 7, characterized in that: The end of the multi-axis manipulator (52) is hinged to a hollow working head (524), and the nozzle assembly is housed within the working head (524).
10. A high-pressure jet cleaning mechanism according to claim 7, characterized in that: A second rotating seat (53) is rotatably connected to the second base (51), and the multi-axis manipulator (52) is hinged to the second rotating seat (53). The high-pressure jet cleaning mechanism also includes a third drive module (54) for driving the second rotating seat (53) to rotate.