CN115213723A - Noise reduction mechanism and method based on numerical control machine tool - Google Patents
Noise reduction mechanism and method based on numerical control machine tool Download PDFInfo
- Publication number
- CN115213723A CN115213723A CN202210632494.XA CN202210632494A CN115213723A CN 115213723 A CN115213723 A CN 115213723A CN 202210632494 A CN202210632494 A CN 202210632494A CN 115213723 A CN115213723 A CN 115213723A
- Authority
- CN
- China
- Prior art keywords
- machine tool
- control machine
- noise reduction
- noise
- numerical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000009467 reduction Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008093 supporting effect Effects 0.000 claims description 19
- 230000030279 gene silencing Effects 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 26
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
- B23Q11/0096—Safety devices protecting the operator, e.g. against accident or noise protecting against noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a noise reduction mechanism based on a numerical control machine tool, which comprises a numerical control machine tool body, a positioning groove, a sound wave device and a positioning block, wherein the positioning groove is formed in the rear side of the inner wall of the numerical control machine tool body, the outer surface of the positioning block is matched with the inside of the positioning groove for use, fixing grooves are formed in the left side and the right side of the inner wall of the positioning groove, a cavity is formed in the positioning block, a fixing mechanism is arranged in the cavity, and the front side of the positioning block is fixedly connected with the rear side of the sound wave device. According to the noise reduction mechanism and method based on the numerical control machine tool, the numerical control machine tool body, the positioning groove, the acoustic wave device and the positioning block are matched for use, so that noise can be well offset, the problem of poor noise reduction effect in the prior art is solved, and the noise reduction mechanism and method based on the numerical control machine tool have the advantage of good noise reduction effect.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tools, and particularly relates to a noise reduction mechanism and method based on a numerical control machine tool.
Background
Numerical control machine tool, in order to satisfy market demand, generally all until how better processing and how more person of facilitating the use these aspects optimize, often neglected whether can be fine reduction noise, numerical control machine tool has, the effect of processing is better and more person of facilitating the use uses these beneficial parts, but has certain restriction, when normal use, because of the machine can produce vibrations and noise with man-hour, cause noise pollution very easily, the problem that prior art exists is: the noise reduction effect is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a noise reduction mechanism and a method based on a numerical control machine tool, which have the advantage of good noise reduction effect and solve the problem of poor noise reduction effect in the prior art.
The invention is realized in such a way that the noise reduction mechanism based on the numerical control machine tool comprises a numerical control machine tool body, a positioning groove, a sound wave device and a positioning block, wherein the positioning groove is formed in the rear side of the inner wall of the numerical control machine tool body, the outer surface of the positioning block is matched with the inside of the positioning groove for use, the left side and the right side of the inner wall of the positioning groove are both provided with fixing grooves, the inside of the positioning block is provided with a cavity, the inside of the cavity is provided with a fixing mechanism, and the front side of the positioning block is fixedly connected with the rear side of the sound wave device.
Preferably, the fixing mechanism comprises two arc-shaped blocks, the outer surfaces of the two arc-shaped blocks are slidably connected with the inner wall of the cavity, fixed blocks are fixedly mounted at the opposite ends of the two arc-shaped blocks, the opposite ends of the two fixed blocks penetrate through the cavity and extend to the left side and the right side of the positioning block, the opposite ends of the two fixed blocks are matched with the inside of the fixed groove, connecting rods are movably connected with the opposite ends of the two arc-shaped blocks and are matched with the opposite ends of the two fixed blocks, and an extrusion spring is fixedly mounted between the two connecting rods.
Preferably, the opposite ends of the two arc-shaped blocks are provided with strip-shaped grooves, the strip-shaped blocks are connected inside the two strip-shaped grooves in a sliding mode, and one ends, far away from the strip-shaped grooves, of the strip-shaped blocks are movably connected with the connecting rods.
Preferably, the sound wave device comprises a housing, the rear side of the housing is fixedly connected with the front side of the positioning block, a sound wave emitter is fixedly mounted inside the housing, a connecting lead is fixedly mounted at the bottom of the sound wave emitter, a noise sensor is fixedly mounted at one end of the connecting lead, which is far away from the sound wave emitter, the rear side of the noise sensor is fixedly connected with the inner wall of the housing, and an auxiliary mechanism is arranged at the bottom of the housing.
Preferably, the auxiliary mechanism comprises an arc-shaped supporting block, the top of the arc-shaped supporting block is matched with the outer surface of the shell, an inclined block is fixedly installed at the bottom of the arc-shaped supporting block, a magnet is fixedly installed at one end, far away from the arc-shaped supporting block, of the inclined block, and one end, far away from the inclined block, of the magnet is matched with the inner wall of the numerical control machine tool body.
Preferably, an opening is formed in the front side of the housing, and a protective net is fixedly mounted inside the opening.
Preferably, the outer surfaces of the housing and the inclined block are provided with silencing holes, and the silencing holes are distributed uniformly.
Preferably, the noise reduction method based on the numerical control machine tool comprises the following steps:
the first step is as follows: sensing the noise inside the numerical control machine tool body by using a noise sensor;
the second step is that: transmitting the sensed noise to the interior of the sound wave transmitter for sound wave transmission;
the third step: the noise is balanced by utilizing the sound waves, and the two sound waves are balanced;
the fourth step: silencing holes are formed in the shell and the inclined block to further realize silencing.
Compared with the prior art, the invention has the following beneficial effects:
1. the noise reduction mechanism and the method based on the numerical control machine tool have the advantages of good noise reduction effect.
2. The power source of the whole fixing mechanism is realized through the stress of the fixing block, and because the force can be transmitted, the fixing block pushes the connecting rod to move through the arc-shaped block while being stressed, and meanwhile, a deformation force is given to the extrusion spring, so that the fixing block can be extruded into the cavity, the positioning block and the positioning groove are matched to be used, the installation of the acoustic wave device is realized, the positioning effect is better, and the noise reduction effect is better.
3. The connecting rod is provided with the strip-shaped groove and the strip-shaped block in a matched mode, so that the moving effect of the connecting rod is better.
4. The noise sensor is used for sensing the noise generated by the numerical control machine tool body, and meanwhile, the sensed noise is transmitted to the inside of the sound wave transmitter by the connecting lead, so that the sound wave transmitter sends out sound waves, the noise and the sound waves can be counteracted, and the noise reduction effect is better.
5. According to the invention, the shell is supported by the arc-shaped supporting block, the arc-shaped supporting block is supported by the inclined block, and finally the final positioning is realized by the magnet, so that the supporting effect is better, and the noise reduction effect is better.
6. According to the invention, the opening and the protective net are arranged, so that the induction effect is better, and impurities can be well prevented from entering the shell.
7. The silencing holes are arranged, so that the silencing effect is better.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of an acoustic remover according to an embodiment of the present invention;
FIG. 3 is a perspective view of an acoustic wave device provided by an embodiment of the present invention;
fig. 4 is a perspective view of a protective screening with acoustic wave removed according to an embodiment of the present invention;
FIG. 5 is a detailed view of a securing mechanism provided by an embodiment of the present invention;
FIG. 6 is a diagram of a detail of an acoustic wave device provided by an embodiment of the present invention;
fig. 7 is a schematic view of a fixing groove according to an embodiment of the present invention.
In the figure: 1. a numerical control machine tool body; 2. positioning a groove; 3. an acoustic wave device; 31. a housing; 32. an acoustic wave emitter; 33. connecting a lead; 34. a noise sensor; 35. an auxiliary mechanism; 351. an arc-shaped supporting block; 352. a sloping block; 353. a magnet; 4. positioning blocks; 5. a fixing groove; 6. a cavity; 7. a fixing mechanism; 71. an arc-shaped block; 72. a fixed block; 73. a connecting rod; 74. a compression spring; 8. a strip-shaped groove; 9. a bar-shaped block; 10. an opening; 11. a protective net; 12. a silencing hole.
Detailed Description
For further understanding of the contents, features and effects of the invention, the following examples are given in conjunction with the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the noise reduction mechanism based on the numerical control machine tool according to the embodiment of the present invention includes a numerical control machine tool body 1, a positioning groove 2, a sound wave device 3, and a positioning block 4, wherein the positioning groove 2 is disposed at a rear side of an inner wall of the numerical control machine tool body 1, an outer surface of the positioning block 4 is used in cooperation with an interior of the positioning groove 2, fixing grooves 5 are disposed at left and right sides of the inner wall of the positioning groove 2, a cavity 6 is disposed inside the positioning block 4, a fixing mechanism 7 is disposed inside the cavity 6, and a front side of the positioning block 4 is fixedly connected to a rear side of the sound wave device 3.
Referring to fig. 5, the fixing mechanism 7 includes two arc-shaped blocks 71, the outer surfaces of the two arc-shaped blocks 71 are slidably connected with the inner wall of the cavity 6, fixed blocks 72 are fixedly mounted at the ends of the two arc-shaped blocks 71 which are away from each other, the ends of the two fixed blocks 72 which are away from each other all penetrate through the cavity 6 and extend to the left side and the right side of the positioning block 4, the ends of the two fixed blocks 72 which are away from each other are all used in cooperation with the inside of the fixing groove 5, the opposite ends of the two arc-shaped blocks 71 are movably connected with connecting rods 73, the two connecting rods 73 are used in cooperation, and an extrusion spring 74 is fixedly mounted between the two connecting rods 73.
Adopt above-mentioned scheme: realize the power supply of whole fixed establishment 7 through fixed block 72 atress, because of power can transmit, promote connecting rod 73 through arc piece 71 and remove in fixed block 72 atress, give the power of a deformation of extrusion spring 74 simultaneously, just so can realize the inside of extruding cavity 6 with fixed block 72, thereby realize that locating piece 4 uses with the cooperation of constant head tank 2, realize the installation of acoustic wave ware 3, make the effect of location better, the effect of making an uproar falls simultaneously also better.
Referring to fig. 5, bar groove 8 has all been seted up to two arc piece 71's looks remote site, and the equal sliding connection in inside of two bar grooves 8 has bar-shaped piece 9, and bar-shaped piece 9 keeps away from the one end and the connecting rod 73 swing joint in bar groove 8.
Adopt above-mentioned scheme: through the cooperation that sets up bar groove 8 and bar piece 9 and use, just so can make the removal effect of connecting rod 73 better.
Referring to fig. 6, the acoustic wave device 3 includes a housing 31, a rear side of the housing 31 is fixedly connected to a front side of the positioning block 4, an acoustic wave emitter 32 is fixedly mounted inside the housing 31, a connecting wire 33 is fixedly mounted at a bottom of the acoustic wave emitter 32, a noise sensor 34 is fixedly mounted at an end of the connecting wire 33 far away from the acoustic wave emitter 32, a rear side of the noise sensor 34 is fixedly connected to an inner wall of the housing 31, and an auxiliary mechanism 35 is disposed at a bottom of the housing 31.
The scheme is adopted: the noise that comes the response digit control machine tool body 1 to produce through noise inductor 34, utilizes connecting wire 33 to transmit the inside of sound wave transmitter 32 with the noise of response simultaneously to let sound wave transmitter 32 send the sound wave, just so can realize that noise and sound wave offset, make the effect of making an uproar better.
Referring to fig. 6, the auxiliary mechanism 35 includes an arc-shaped supporting block 351, the top of the arc-shaped supporting block 351 is matched with the outer surface of the housing 31 for use, an inclined block 352 is fixedly mounted at the bottom of the arc-shaped supporting block 351, a magnet 353 is fixedly mounted at one end of the inclined block 352 far away from the arc-shaped supporting block 351, and one end of the magnet 353 far away from the inclined block 352 is matched with the inner wall of the numerical control machine tool body 1 for use.
Adopt above-mentioned scheme: through the support of arc supporting shoe 351 to shell 31, utilize sloping block 352 to support arc supporting shoe 351 simultaneously, utilize magnet 353 to realize final location at last, just so can make the effect of supporting better, the effect of making an uproar falls simultaneously also better.
Referring to fig. 4, an opening 10 is opened at the front side of the housing 31, and a protection net 11 is fixedly installed inside the opening 10.
The scheme is adopted: by providing the opening 10 and the protection net 11, the sensing effect can be improved, and impurities can be prevented from entering the inside of the housing 31.
Referring to fig. 3 and 4, the housing 31 and the inclined block 352 are respectively provided with a plurality of silencing holes 12 on the outer surface, and the silencing holes 12 are uniformly distributed.
Adopt above-mentioned scheme: by providing the muffling hole 12, the muffling effect can be improved.
A noise reduction method based on a numerical control machine tool is characterized in that: the method comprises the following steps:
the first step is as follows: sensing the noise inside the numerical control machine tool body by using a noise sensor;
the second step: transmitting the sensed noise to the inside of the sound wave transmitter for sound wave transmission;
the third step: the noise is balanced out by utilizing sound waves, and the two sound waves are balanced out;
the fourth step: and silencing holes are formed in the shell and the inclined block to realize further silencing.
The working principle of the invention is as follows:
when using, at first realize the power supply of whole fixed establishment 7 through the fixed block 72 atress, because of power can transmit, promote connecting rod 73 to remove through arc piece 71 when fixed block 72 atress, give the power of a deformation of extrusion spring 74 simultaneously, just so can realize squeezing the inside of cavity 6 with fixed block 72 into, thereby realize locating piece 4 and positioning groove 2's cooperation and use, use through the cooperation that sets up bar groove 8 and bar piece 9 simultaneously, just so can make the removal effect of connecting rod 73 better, realize the installation of acoustic wave ware 3, make the effect of location better, realize simultaneously preliminary making an uproar fall, secondly, come the noise that responds to digit control machine tool body 1 production through noise inductor 34, utilize connecting wire 33 to transmit the noise of response to the inside of acoustic wave launcher 32 simultaneously, thereby let acoustic wave launcher 32 send the sound wave, just so can realize noise and sound wave offset, simultaneously through the support of arc-shaped support piece 31, utilize sloping piece 352 to support arc-shaped support piece 351 simultaneously, finally, utilize magnet 353 to realize final location, just so can make the effect of making a noise reduction better, just so can set up the sound hole through silencing effect of making a better 12 better.
In conclusion: this mechanism of making an uproar falls based on digit control machine tool uses through the cooperation that sets up digit control machine tool body 1, constant head tank 2, acoustic wave ware 3 and locating piece 4, just so can realize fine offsetting the noise, has solved the poor problem of current noise reduction effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mechanism of making an uproar falls based on digit control machine tool, includes digit control machine tool body (1), constant head tank (2), acoustic wave ware (3) and locating piece (4), its characterized in that: the rear side in digit control machine tool body (1) inner wall is seted up in constant head tank (2), the surface of locating piece (4) is used with the inside cooperation of constant head tank (2), fixed slot (5) have all been seted up to the left and right sides of constant head tank (2) inner wall, cavity (6) have been seted up to the inside of locating piece (4), the inside of cavity (6) is provided with fixed establishment (7), the front side of locating piece (4) and the rear side fixed connection of sound wave ware (3).
2. The numerically controlled machine tool-based noise reduction mechanism according to claim 1, wherein: fixed establishment (7) include two arc pieces (71), the surface of two arc pieces (71) and the inner wall sliding connection of cavity (6), the equal fixed mounting of one end that two arc pieces (71) deviate from mutually has fixed block (72), and the one end that two fixed block (72) deviate from mutually all runs through cavity (6) and extends to the left and right sides of locating piece (4), and the one end that two fixed block (72) deviate from mutually all uses with the inside cooperation of fixed slot (5), the equal swing joint in looks remote site of two arc pieces (71) has connecting rod (73), and two connecting rod (73) cooperate and use, and fixed mounting has extrusion spring (74) between two connecting rod (73).
3. A noise reduction mechanism based on a numerical control machine tool according to claim 2, characterized in that: strip groove (8) have all been seted up to the looks remote site of two arc pieces (71), and the equal sliding connection in inside in two strip grooves (8) has strip piece (9), the one end and connecting rod (73) swing joint in strip groove (8) are kept away from in strip piece (9).
4. The numerically controlled machine tool-based noise reduction mechanism according to claim 1, wherein: acoustic wave ware (3) include shell (31), the rear side of shell (31) and the front side fixed connection of locating piece (4), the inside fixed mounting of shell (31) has acoustic wave transmitter (32), the bottom fixed mounting of acoustic wave transmitter (32) has connecting wire (33), the one end fixed mounting that acoustic wave transmitter (32) was kept away from in connecting wire (33) has noise inductor (34), the rear side of noise inductor (34) and the inner wall fixed connection of shell (31), the bottom of shell (31) is provided with complementary unit (35).
5. A noise reduction mechanism based on a numerical control machine according to claim 4, characterized in that: auxiliary mechanism (35) include arc supporting shoe (351), the top of arc supporting shoe (351) uses with the surface cooperation of shell (31), the bottom fixed mounting of arc supporting shoe (351) has sloping block (352), the one end fixed mounting that arc supporting shoe (351) were kept away from to sloping block (352) has magnet (353), the one end that sloping block (352) were kept away from in magnet (353) is used with the inner wall cooperation of digit control machine tool body (1).
6. The numerically controlled machine tool-based noise reduction mechanism according to claim 4, wherein: an opening (10) is formed in the front side of the shell (31), and a protective net (11) is fixedly mounted inside the opening (10).
7. The numerically controlled machine tool-based noise reduction mechanism according to claim 5, wherein: the outer surfaces of the shell (31) and the inclined block (352) are provided with silencing holes (12), and the silencing holes (12) are distributed uniformly and in a plurality.
8. A noise reduction method based on a numerical control machine tool is characterized in that: the method comprises the following steps:
the first step is as follows: sensing the noise inside the numerical control machine tool body by using a noise sensor;
the second step: transmitting the sensed noise to the interior of the sound wave transmitter for sound wave transmission;
the third step: the noise is balanced out by utilizing sound waves, and the two sound waves are balanced out;
the fourth step: silencing holes are formed in the shell and the inclined block to further realize silencing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632494.XA CN115213723A (en) | 2022-06-06 | 2022-06-06 | Noise reduction mechanism and method based on numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632494.XA CN115213723A (en) | 2022-06-06 | 2022-06-06 | Noise reduction mechanism and method based on numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115213723A true CN115213723A (en) | 2022-10-21 |
Family
ID=83607042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210632494.XA Pending CN115213723A (en) | 2022-06-06 | 2022-06-06 | Noise reduction mechanism and method based on numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115213723A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206120996U (en) * | 2016-08-30 | 2017-04-26 | 泉州市三星消防设备有限公司 | Fire -fighting lance support |
| CN210778215U (en) * | 2019-08-15 | 2020-06-16 | 刘芳芳 | Device for noise treatment |
| CN112502487A (en) * | 2019-09-16 | 2021-03-16 | 无锡安迅环保设备有限公司 | Sound insulation room for machine tool equipment |
| CN112682292A (en) * | 2020-12-18 | 2021-04-20 | 泉州市华德机电设备有限公司 | Low-noise air compressor |
| CN213219976U (en) * | 2020-08-31 | 2021-05-18 | 潍坊医学院附属医院 | Auxiliary device that oncology treatment used |
| CN213361311U (en) * | 2020-09-17 | 2021-06-04 | 福建中富龙重工有限公司 | High-strength steel support convenient to install |
| CN215071883U (en) * | 2021-04-26 | 2021-12-07 | 常州固特电机科技有限公司 | Novel mounting structure of stepping motor |
| CN215577598U (en) * | 2021-09-26 | 2022-01-18 | 临沂大学 | Novel instructor student management is with bulletin device |
| CN216429868U (en) * | 2021-12-20 | 2022-05-03 | 上海加力气体有限公司 | Active noise reduction device for air compressor room |
-
2022
- 2022-06-06 CN CN202210632494.XA patent/CN115213723A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206120996U (en) * | 2016-08-30 | 2017-04-26 | 泉州市三星消防设备有限公司 | Fire -fighting lance support |
| CN210778215U (en) * | 2019-08-15 | 2020-06-16 | 刘芳芳 | Device for noise treatment |
| CN112502487A (en) * | 2019-09-16 | 2021-03-16 | 无锡安迅环保设备有限公司 | Sound insulation room for machine tool equipment |
| CN213219976U (en) * | 2020-08-31 | 2021-05-18 | 潍坊医学院附属医院 | Auxiliary device that oncology treatment used |
| CN213361311U (en) * | 2020-09-17 | 2021-06-04 | 福建中富龙重工有限公司 | High-strength steel support convenient to install |
| CN112682292A (en) * | 2020-12-18 | 2021-04-20 | 泉州市华德机电设备有限公司 | Low-noise air compressor |
| CN215071883U (en) * | 2021-04-26 | 2021-12-07 | 常州固特电机科技有限公司 | Novel mounting structure of stepping motor |
| CN215577598U (en) * | 2021-09-26 | 2022-01-18 | 临沂大学 | Novel instructor student management is with bulletin device |
| CN216429868U (en) * | 2021-12-20 | 2022-05-03 | 上海加力气体有限公司 | Active noise reduction device for air compressor room |
Non-Patent Citations (1)
| Title |
|---|
| 《气动技术》编写组: "《气动技术》", 31 January 1981, 北京出版社, pages: 319 - 320 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008011577A3 (en) | Ultrasonic transducer for a metallic cavity implanted medical device | |
| CN115213723A (en) | Noise reduction mechanism and method based on numerical control machine tool | |
| CN208342367U (en) | A kind of efficient damping sound insulation numerically-controlled machine tool | |
| CN212010353U (en) | Sound-proof housing for punch press mould | |
| CN216429868U (en) | Active noise reduction device for air compressor room | |
| CN217990517U (en) | Bridge bending processing equipment | |
| CN212011665U (en) | Electric power cabinet with dust removal mechanism | |
| CN211526548U (en) | Carbon crystal electric heater vibration/noise reduction mounting structure | |
| CN210829668U (en) | Air compressor machine system of intelligence joint control | |
| CN210075459U (en) | Switch convenient to install on wall body | |
| CN208557774U (en) | A kind of bicker for refrigerator U casing forming | |
| CN219026794U (en) | Numerical control vertical lathe with protection mechanism for graphite processing | |
| CN212857384U (en) | Precise photoelectric motor shell stamping die | |
| CN214236229U (en) | Gearbox casing aluminum alloy die casting die | |
| CN218425068U (en) | Stator, rotor shaping cutting device | |
| CN205445489U (en) | Take drilling rod of shock attenuation flange | |
| CN214507354U (en) | Bluetooth headset based on block chain | |
| CN216202293U (en) | Intelligent household monitoring device | |
| CN213874394U (en) | Sensor for smart home environment | |
| CN216522493U (en) | Air source heat pump noise reduction device | |
| CN217763961U (en) | Energy-saving environment-friendly direct-cooling screw falling-film water chilling unit | |
| CN214175263U (en) | Electric control device of RTO waste gas treatment system | |
| CN211777636U (en) | Oil pump convenient to dismantle | |
| CN215637948U (en) | Mounting bracket of air conditioner | |
| CN211554763U (en) | Intelligent temperature control device of electric oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |