CN112372515B - Surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback - Google Patents
Surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback Download PDFInfo
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- CN112372515B CN112372515B CN202011217188.7A CN202011217188A CN112372515B CN 112372515 B CN112372515 B CN 112372515B CN 202011217188 A CN202011217188 A CN 202011217188A CN 112372515 B CN112372515 B CN 112372515B
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- water jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback, which comprises a surface contact and adaptation module, an elastic displacement feedback module and a water supply jet module, wherein the surface contact and adaptation module is connected with the elastic displacement feedback module; the surface contact and adaptation module comprises a surface contact unit, a transition block, a ball-and-socket bearing and a connecting block; the transition block is provided with a threaded hole, a backflushing jet flow connecting hole, an abrasive water jet flow connecting hole, a backflushing jet flow nozzle mounting hole and an abrasive water jet flow nozzle mounting hole; the ball-and-socket bearing comprises a bearing seat and a bearing extending end; the connecting block is provided with a high-pressure water pipe through hole and an abrasive water high-pressure pipe through hole; the elastic displacement feedback module comprises a clamping sleeve, an inner sleeve, a spring, an end joint and a displacement sensor; the water supply jet module comprises an abrasive water high-pressure water supply pipe, a high-pressure water supply pipe, an abrasive water jet nozzle and a recoil jet nozzle. The invention solves the problem of instability of the existing abrasive water jet cutting device during underwater operation.
Description
Technical Field
The invention relates to the technical field of water jet cutting, in particular to a surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback.
Background
The abrasive water jet is a solid-liquid two-phase flow formed by mixing abrasive particles and high-speed flowing water or high-pressure water, and the abrasive particles are mixed and accelerated under the driving of the high-speed water jet. Due to the grinding effect of abrasive particles in the abrasive water jet on a cutting object, the working efficiency of the abrasive water jet is much higher than that of a pure water jet, and the requirement on a high-pressure water generating device is greatly reduced. Beginning in the 80 s of the 20 th century, the emergence of abrasive water jet greatly improved the erosion, rock breaking and cutting capabilities of jet, so that the abrasive water jet was rapidly developed and widely applied to the engineering of war industry, oil drilling, mining and the like.
Because the underwater operation environment is complex and changeable, the spatial position of a cutting object is indefinite, and an underwater cutting tool is difficult to maintain the relative spatial position, the underwater abrasive water jet cutting device needs to be optimally designed.
Disclosure of Invention
According to the problems of the abrasive water jet cutting device in underwater operation, the surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback is provided. The invention mainly utilizes the ball-and-socket bearing to facilitate the surface contact of the surface contact unit and the surface of the cutting object, and utilizes the spring and the displacement sensor to monitor the contact state of the device and the cutting object in real time.
The technical means adopted by the invention are as follows:
a surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback comprises a surface contact and adaptation module, an elastic displacement feedback module and a water supply jet module;
the surface contact and adaptation module comprises a surface contact unit, a transition block, a ball-and-socket bearing and a connecting block; the surface contact unit is used for contacting with a cutting object and fixedly arranged at the bottom of the transition block;
the transition block is provided with a threaded hole, a back-flushing jet flow connecting hole, an abrasive water jet flow connecting hole, a back-flushing jet flow nozzle mounting hole and an abrasive water jet flow nozzle mounting hole, the back-flushing jet flow connecting hole is communicated with the back-flushing jet flow nozzle mounting hole through a high-pressure water flow channel, and the abrasive water jet flow connecting hole is communicated with the abrasive water jet flow nozzle mounting hole through an abrasive water flow channel;
the ball socket bearing comprises a bearing seat and a bearing extending end, the bearing seat is provided with a bolt hole, and the bearing seat sequentially penetrates through the bolt hole and the threaded hole through the bolt to be fixedly connected with the transition block; the connecting block is provided with a high-pressure water pipe through hole and an abrasive water high-pressure pipe through hole;
the elastic displacement feedback module comprises a clamping sleeve, an inner sleeve, a spring, an end joint and a displacement sensor;
one end of the clamping sleeve is fixedly connected with the end joint through threads; the center of the clamping sleeve is provided with a hole; the bottom of the inner side of the clamping sleeve is provided with a stepped surface A, the outer side surface of the clamping sleeve is provided with a clamping surface, and shoulders are arranged at two ends of the clamping surface; the center of the inner sleeve is provided with a hole, and the outer side surface of the inner sleeve is sequentially provided with a limiting stepped surface A, a mounting stepped surface A, a stepped surface B, a threaded stepped surface and a connecting external thread A from top to bottom along the axial direction; one end of the connecting block is connected to the extending end of the bearing through threads, and the other end of the connecting block is connected to the inner sleeve through the connecting external threads A;
the center of the end connector is provided with a hole, and a connecting external thread B, an installation stepped surface B and a limiting stepped surface B are sequentially arranged from top to bottom along the axial direction; the end joint is connected with the clamping sleeve through the connecting external thread B; the inner sleeve penetrates through the end joint and extends into the clamping sleeve, and the inner sleeve is in clearance fit with the end joint; the step surface B is contacted with the step surface A;
the spring and the displacement sensor are arranged in the clamping sleeve, the spring is sleeved outside the inner sleeve, one end of the spring is in contact with the mounting stepped surface B, and the other end of the spring is in contact with the mounting stepped surface A; one end of the displacement sensor is fixedly arranged on the end part joint, and the other end of the displacement sensor is connected with the installation stepped surface A;
the water supply jet module comprises an abrasive water high-pressure water supply pipe, a high-pressure water supply pipe, an abrasive water jet nozzle and a recoil jet nozzle; one end of the abrasive water high-pressure water supply pipe is fixedly connected to the abrasive jet flow connecting hole, and the other end of the abrasive water high-pressure water supply pipe sequentially penetrates through the abrasive water high-pressure pipe through hole and the central hole of the inner sleeve; one end of the high-pressure water supply pipe is fixedly connected to the backflushing jet flow connecting hole, and the other end of the high-pressure water supply pipe sequentially penetrates through the high-pressure water pipeline through hole and the central hole of the inner sleeve; the abrasive water jet nozzle is fixedly arranged in the abrasive water jet nozzle mounting hole, and the recoil jet nozzle is fixedly arranged in the recoil jet nozzle mounting hole.
Furthermore, the axes of the mounting hole of the back-flushing jet flow nozzle and the mounting hole of the abrasive water jet flow nozzle are on the same straight line, and when the abrasive water jet flow nozzle and the back-flushing jet flow nozzle jet flow simultaneously during working.
Further, the jet angle of the abrasive water jet nozzle and the length of the abrasive water jet nozzle extending out of the abrasive water jet nozzle mounting hole can be adjusted by replacing the nozzle.
Further, the surface contact unit comprises a spherical object and a supporting leg, the spherical object is connected to the bottom of the supporting leg, and the surface contact unit is in smooth contact with the surface of the cutting object through the spherical object; the supporting legs are fixedly arranged at the bottom of the transition block.
Compared with the prior art, the invention has the following advantages:
1. the surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback provided by the invention adopts the ball-and-socket bearing structure to connect the clamping piece and the jet structure, and is beneficial to the contact with a cutting object when the clamping piece is axially fixed.
2. The surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback provided by the invention adopts the displacement sensor and the spring to monitor and connect the parts which move relatively, so that the contact state of the device and a cutting object can be conveniently judged by a user.
3. The surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback provided by the invention has the advantages that the axes of the mounting hole of the back-flushing jet nozzle and the mounting hole of the abrasive water jet nozzle are in the same straight line, and the back-flushing force of single-nozzle jet flow is reduced by the simultaneous jet flow of the abrasive water jet nozzle and the back-flushing jet nozzle, so that the device is beneficial to keeping stable during working.
Based on the reasons, the invention can be widely popularized in the fields of abrasive water jet and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the surface adaptive abrasive water jet underwater cutting device with elastic displacement feedback.
Fig. 2 is a schematic structural view of the clamping sleeve.
Fig. 3 is a schematic view of the inner sleeve structure.
Fig. 4 is a schematic view of the end fitting structure.
In the figure: 1. a spherical object; 2. supporting legs; 3. a transition block; 31. a threaded hole; 32. connecting a back-flushing jet flow hole; 33. connecting the abrasive water jet with the hole; 34. a high-pressure water flow channel; 35. an abrasive water flow channel; 36. a mounting hole for a back-flushing jet nozzle; 37. abrasive water jet nozzle mounting holes; 4. a ball and socket bearing housing; 41. bolt holes; 42. a bolt; 5. a bearing extension end; 6. connecting blocks; 61. a high-pressure water pipe through hole; 62. a through hole of the abrasive water high-pressure pipe; 7. a clamping sleeve; 71. a step surface A; 72. a clamping surface; 73. a shoulder; 8. an inner sleeve; 81. a limiting step surface A; 82. mounting a step surface A; 83. a step surface B; 84. a threaded stepped surface; 85. connecting the external thread A; 9. a spring; 10. an end fitting; 101. connecting the external thread B; 102. mounting a step surface B; 103. a limiting step surface B; 11. a displacement sensor; 12. an abrasive water high pressure water supply pipe; 13. a high-pressure water supply pipe; 131. an abrasive water jet nozzle; 132. a back-flushing jet nozzle.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1-4, the present invention provides a surface adaptive abrasive water jet underwater cutting device with elastic displacement feedback, comprising a surface contact and adaptation module, an elastic displacement feedback module and a water supply jet module;
the surface contact and adaptation module comprises a surface contact unit, a transition block 3, a ball-and-socket bearing and a connecting block 6; the surface contact unit is used for contacting with a cutting object and is fixedly arranged at the bottom of the transition block 3;
in the embodiment, the surface contact unit comprises a spherical object 1 and a supporting leg 2, the spherical object 1 is connected to the bottom of the supporting leg 2, and the surface contact unit is in smooth contact with the surface of the cutting object through the spherical object 1; the supporting legs 2 are fixedly arranged at the bottom of the transition block 3;
the transition block 3 is provided with a threaded hole 31, a back-flushing jet flow connecting hole 32, an abrasive water jet flow connecting hole 33, a back-flushing jet flow nozzle mounting hole 36 and an abrasive water jet flow nozzle mounting hole 37, wherein the back-flushing jet flow connecting hole 32 is communicated with the back-flushing jet flow nozzle mounting hole 36 through a high-pressure water flow channel 34, and the abrasive water jet flow connecting hole 33 is communicated with the abrasive water jet flow nozzle mounting hole 37 through an abrasive water flow channel 35;
the ball-and-socket bearing comprises a bearing seat 4 and a bearing extending end 5, the bearing seat 4 is provided with a bolt hole 41, and the bearing seat 4 is fixedly connected with the transition block 3 through a bolt 42 which sequentially penetrates through the bolt hole 41 and the threaded hole 31; the connecting block 6 is provided with a high-pressure water pipe through hole 61 and an abrasive water high-pressure pipe through hole 62;
the ball-and-socket bearing can make the surface contact and adaptation module more easily contact with the surface of the cutting object when performing planar motion;
the elastic displacement feedback module comprises a clamping sleeve 7, an inner sleeve 8, a spring 9, an end joint 10 and a displacement sensor 11;
one end of the clamping sleeve 7 is fixedly connected with the end joint 10 through threads;
the center of the clamping sleeve 7 is provided with a hole; the stepped surface A71 is arranged at the bottom of the inner side of the clamping sleeve 7, the clamping surface 72 is arranged at the outer side, and shoulders 73 are arranged at two ends of the clamping surface 72; the center of the inner sleeve 8 is provided with a hole, and the outer side surface of the inner sleeve is provided with a limiting step surface A81, a mounting step surface A82, a step surface B83, a threaded step surface 84 and a connecting external thread A85 from top to bottom in sequence along the axial direction;
one end of the connecting block 6 is connected to the bearing extending end 5 through threads, and the other end of the connecting block is connected to the inner sleeve 8 through the connecting external thread A85;
the center of the end connector 10 is provided with a hole, and a connecting external thread B101, a mounting stepped surface B102 and a limiting stepped surface B103 are sequentially arranged from top to bottom along the axial direction; the end fitting 10 is connected with the clamping sleeve 7 through the connecting external thread B101;
the inner sleeve 8 penetrates through the end joint 10 and extends into the clamping sleeve 7, and the inner sleeve 8 is in clearance fit with the end joint 10; the step surface B83 is contacted with the step surface A71;
the spring 9 and the displacement sensor 11 are arranged in the clamping sleeve 7, the spring 9 is sleeved outside the inner sleeve 8, one end of the spring is in contact with the installation stepped surface B102, and the other end of the spring is in contact with the installation stepped surface A82; one end of the displacement sensor 11 is fixedly installed on the end connector 10, and the other end of the displacement sensor is connected with the installation stepped surface A82;
when the spring 9 is in an initial state, the displacement sensor 11 is in a "zero" position, when the spring 9 is in a compressed state, the displacement sensor 11 is in a "non-zero" position, which indicates that the surface contact unit is completely contacted with the surface of a cutting object, and when the spring 9 is in a maximum compressed state, the limit step surface a81 of the inner sleeve 8 is contacted with the limit step surface B103 of the end joint 10, so that the spring cannot be damaged;
the water supply jet module comprises an abrasive water high-pressure water supply pipe 12, a high-pressure water supply pipe 13, an abrasive water jet nozzle 131 and a recoil jet nozzle 132;
one end of the abrasive water high-pressure water supply pipe 12 is fixedly connected to the abrasive jet flow connecting hole 33, and the other end of the abrasive water high-pressure water supply pipe sequentially penetrates through the abrasive water high-pressure pipe through hole 62 and the central hole of the inner sleeve 8; one end of the high-pressure water supply pipe 13 is fixedly connected to the back-flushing jet flow connecting hole 32, and the other end of the high-pressure water supply pipe sequentially penetrates through the high-pressure water pipeline through hole 61 and the central hole of the inner sleeve 8; the abrasive water jet nozzle 131 is fixedly mounted to the abrasive water jet nozzle mounting hole 37, and the back-flushing water jet nozzle 132 is fixedly mounted to the back-flushing water jet nozzle mounting hole 36.
Further, the axes of the mounting hole 36 of the back-flushing jet flow nozzle and the mounting hole 37 of the abrasive water jet flow nozzle are on the same straight line, and when the device works, the abrasive water jet flow nozzle 131 and the back-flushing jet flow nozzle 132 jet simultaneously, so that the back-flushing force of single-nozzle jet flow can be reduced, and the device is beneficial to keeping stable during working.
Further, the jet angle of the abrasive water jet nozzle 131 and the length of the abrasive water jet nozzle 131 extending out of the abrasive water jet nozzle mounting hole 37 can be adjusted by replacing the nozzle.
Further, the displacement sensor 11 is a lvdt sensor.
When the device works, an operator clamps the clamping sleeve 7 by using the clamping mechanism and enables the cutting device to be close to a cutting object, the surface contact unit makes the surface contact unit and the clamping sleeve generate angle change in the process from the beginning to the complete contact of the surface contact unit with the cutting object, the cutting device is more beneficial to complete contact of the cutting device with the cutting object, at the moment, the spring 9 is in an initial state, the displacement sensor 11 is in a zero position, then the clamping sleeve is continuously moved along the axial direction of the clamping sleeve, at the moment, the spring 9 is in a compressed state, the displacement sensor 11 is in a non-zero position, and the surface contact unit is shown to be completely contacted with the cutting surface;
abrasive water and high-pressure water are then supplied to the abrasive water jet nozzle 131 and the back jet nozzle 132 through the abrasive water high-pressure water supply pipe 12 and the high-pressure water supply pipe 13, respectively, the abrasive water jet nozzle 131 serving to cut the cutting object, and the back jet nozzle 132 serving to cancel the back-flushing force of the abrasive water jet nozzle 131. Then, the cutting device is moved by using a clamping mechanism, and the displacement sensor 11 is always kept in a non-zero position in the cutting operation process;
after the cutting operation is completed, the abrasive water high-pressure water supply pipe 12 and the high-pressure water supply pipe 13 stop supplying water, and the operation is stopped.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback is characterized by comprising a surface contact and adaptation module, an elastic displacement feedback module and a water supply jet module;
the surface contact and adaptation module comprises a surface contact unit, a transition block, a ball-and-socket bearing and a connecting block; the surface contact unit is used for contacting with a cutting object and fixedly arranged at the bottom of the transition block;
the transition block is provided with a threaded hole, a back-flushing jet flow connecting hole, an abrasive water jet flow connecting hole, a back-flushing jet flow nozzle mounting hole and an abrasive water jet flow nozzle mounting hole, the back-flushing jet flow connecting hole is communicated with the back-flushing jet flow nozzle mounting hole through a high-pressure water flow channel, and the abrasive water jet flow connecting hole is communicated with the abrasive water jet flow nozzle mounting hole through an abrasive water flow channel;
the ball socket bearing comprises a bearing seat and a bearing extending end, the bearing seat is provided with a bolt hole, and the bearing seat sequentially penetrates through the bolt hole and the threaded hole through bolts to be fixedly connected with the transition block; the connecting block is provided with a high-pressure water pipe through hole and an abrasive water high-pressure pipe through hole;
the elastic displacement feedback module comprises a clamping sleeve, an inner sleeve, a spring, an end joint and a displacement sensor;
one end of the clamping sleeve is fixedly connected with the end joint through threads; the center of the clamping sleeve is provided with a hole; the bottom of the inner side of the clamping sleeve is provided with a stepped surface A, the outer side surface of the clamping sleeve is provided with a clamping surface, and shoulders are arranged at two ends of the clamping surface; the center of the inner sleeve is provided with a hole, and the outer side surface of the inner sleeve is sequentially provided with a limiting stepped surface A, a mounting stepped surface A, a stepped surface B, a threaded stepped surface and a connecting external thread A from top to bottom along the axial direction; one end of the connecting block is connected to the extending end of the bearing through threads, and the other end of the connecting block is connected to the inner sleeve through the connecting external threads A;
the center of the end connector is provided with a hole, and a connecting external thread B, an installation stepped surface B and a limiting stepped surface B are sequentially arranged from top to bottom along the axial direction; the end joint is connected with the clamping sleeve through the connecting external thread B; the inner sleeve penetrates through the end joint and extends into the clamping sleeve, and the inner sleeve is in clearance fit with the end joint; the step surface B is contacted with the step surface A;
the spring and the displacement sensor are arranged in the clamping sleeve, the spring is sleeved outside the inner sleeve, one end of the spring is in contact with the mounting stepped surface B, and the other end of the spring is in contact with the mounting stepped surface A; one end of the displacement sensor is fixedly arranged on the end part joint, and the other end of the displacement sensor is connected with the installation stepped surface A;
the water supply jet module comprises an abrasive water high-pressure water supply pipe, a high-pressure water supply pipe, an abrasive water jet nozzle and a recoil jet nozzle; one end of the abrasive water high-pressure water supply pipe is fixedly connected to the abrasive jet flow connecting hole, and the other end of the abrasive water high-pressure water supply pipe sequentially penetrates through the abrasive water high-pressure pipe through hole and the central hole of the inner sleeve; one end of the high-pressure water supply pipe is fixedly connected to the backflushing jet flow connecting hole, and the other end of the high-pressure water supply pipe sequentially penetrates through the high-pressure water pipeline through hole and the central hole of the inner sleeve; the abrasive water jet nozzle is fixedly arranged in the abrasive water jet nozzle mounting hole, and the recoil jet nozzle is fixedly arranged in the recoil jet nozzle mounting hole.
2. The surface adaptive abrasive water jet underwater cutting device with elastic displacement feedback of claim 1, wherein the axes of the mounting hole of the recoil jet nozzle and the mounting hole of the abrasive water jet nozzle are in the same line, and when in operation, the abrasive water jet nozzle and the recoil jet nozzle jet simultaneously.
3. The surface adaptive abrasive water jet underwater cutting device with elastic displacement feedback of claim 1, characterized in that the jet angle of the abrasive water jet nozzle and the length of the abrasive water jet nozzle extending out of the abrasive water jet nozzle mounting hole can be adjusted by replacing the nozzle.
4. The surface adaptive abrasive water jet underwater cutting device with elastic displacement feedback as claimed in claim 1, wherein the surface contact unit comprises a sphere and a supporting leg, the sphere is connected to the bottom of the supporting leg, and the surface contact unit is in smooth contact with the surface of the cutting object through the sphere; the supporting legs are fixedly arranged at the bottom of the transition block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217188.7A CN112372515B (en) | 2020-11-04 | 2020-11-04 | Surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011217188.7A CN112372515B (en) | 2020-11-04 | 2020-11-04 | Surface self-adaptive abrasive water jet underwater cutting device with elastic displacement feedback |
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| CN112372515B true CN112372515B (en) | 2021-08-31 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730241A (en) * | 2005-06-06 | 2006-02-08 | 中国海洋石油总公司 | Hydraulic spinning type controllable abrasive material jet cutting apparatus and operating method thereof |
| WO2019024373A1 (en) * | 2017-08-04 | 2019-02-07 | 安徽理工大学 | Apparatus based on pre-mixed abrasive jet and for cutting plate material with non-uniform curved surface thickness |
| CN208584418U (en) * | 2018-06-09 | 2019-03-08 | 宋欢 | A kind of high pressure jer cutting mobile working pond |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6601783B2 (en) * | 2001-04-25 | 2003-08-05 | Dennis Chisum | Abrasivejet nozzle and insert therefor |
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2020
- 2020-11-04 CN CN202011217188.7A patent/CN112372515B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730241A (en) * | 2005-06-06 | 2006-02-08 | 中国海洋石油总公司 | Hydraulic spinning type controllable abrasive material jet cutting apparatus and operating method thereof |
| WO2019024373A1 (en) * | 2017-08-04 | 2019-02-07 | 安徽理工大学 | Apparatus based on pre-mixed abrasive jet and for cutting plate material with non-uniform curved surface thickness |
| CN208584418U (en) * | 2018-06-09 | 2019-03-08 | 宋欢 | A kind of high pressure jer cutting mobile working pond |
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