CN110919090A - Traction machine - Google Patents
Traction machine Download PDFInfo
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- CN110919090A CN110919090A CN201911277864.7A CN201911277864A CN110919090A CN 110919090 A CN110919090 A CN 110919090A CN 201911277864 A CN201911277864 A CN 201911277864A CN 110919090 A CN110919090 A CN 110919090A
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- noise reduction
- noise
- traction
- guide rail
- sawtooth block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a tractor, which comprises a rack and a conveying device arranged on the rack, wherein the conveying device comprises a conveying device body and a driving device body; the frame is also provided with a traction guide rail; the traction guide rail is positioned near the conveying device; the traction guide rail is provided with a traction device which reciprocates along the guide direction of the traction guide rail; the conveying device is provided with a cutting device for cutting the section; the traction device is positioned at the lower station of the cutting device; the cutting device comprises a sawtooth block and a driving motor for controlling the running state of the sawtooth block; the machine frame is also provided with a sound-proof shield arranged along the direction of the traction guide rail; a cavity is arranged in the sound-proof shield; one end side of the sound-proof shield is provided with an opening communicated with the cavity; the conveying device and the cutting device are both positioned in the cavity; a noise reduction system is arranged in the cavity. The invention reduces the noise generated by the sawtooth block in an active noise reduction mode, has obvious noise reduction effect, replaces the traditional mechanical noise reduction by covering a sound source by using a cover body so as to isolate air circulation, has high automation degree, replaces the traditional labor force, and has good practical value.
Description
Technical Field
The invention relates to the technical field of aluminum profile processing, in particular to a tractor.
Background
The industry carries out the processing cutting to the aluminium alloy, has all adopted full automatization drive mechanism basically, in aluminium alloy continuous extrusion production process, utilizes the tractor to remove it and separate. Typical or common prior art exists:
for example, CN209255506U discloses an aluminum material tractor, which utilizes a ratchet bar and a bite plate to fix and loosen the aluminum material, and then drives the aluminum material to rapidly move by the movement of a traction motor and a frame. Another classic, for example, CN206605108U, discloses an aluminum double-saw double-tractor, which includes a first trolley track and a second trolley track parallel to a roller conveyor, a first trolley traveling on the first trolley track, and a second trolley traveling on the second trolley track, wherein the first trolley is provided with a first clamping device, a first sawing device and a turnover mechanism, and the second trolley is provided with a second clamping device, a second sawing device and a lifting mechanism. The utility model discloses a design that the double track was said and is dually cut has that work efficiency is high, saw cut advantage such as precision height. Referring to the prior art of CN207288423U, an alternative aluminum tractor with three upper and lower flat rails is disclosed, which comprises a frame, and an upper rail and a lower rail disposed on the frame, wherein the upper rail and the lower rail extend in the horizontal direction and are vertically arranged, the upper rail and the lower rail are slidably connected to an upper tractor and a lower tractor, the upper tractor and the lower tractor are both provided with a material supporting arm and a material pressing arm for mutually matching and clamping aluminum materials to pull the aluminum materials, and one side of the upper tractor in the horizontal direction and one side of the lower tractor in the horizontal direction are provided with an automatic interrupt saw for cutting and separating the aluminum materials clamped on the upper tractor or the lower tractor so that the lower tractor or the upper tractor can tightly clamp and pull the aluminum materials.
In summary, through the mass search of the applicant, it is found that the sawing of the tractor during use generates a great deal of noise, but none of the prior arts or patent application documents solves the problem. Of course, the skilled person can easily think of enclosing the noise with a cover, but this works little, and therefore, there is a need to develop or improve a traction machine to solve the above problems.
Disclosure of Invention
The object of the present invention is to provide a traction machine to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tractor is characterized by comprising a frame and a conveying device arranged on the frame; the rack is also provided with a traction guide rail; the traction guide rail is positioned near the conveying device; the traction guide rail is provided with a traction device which reciprocates along the guide direction of the traction guide rail; the conveying device is provided with a cutting device for cutting the section; the traction device is positioned at a lower station of the cutting device; the cutting device comprises a sawtooth block and a driving motor for controlling the running state of the sawtooth block; the machine frame is also provided with a sound-proof shield arranged along the direction of the traction guide rail; a cavity is arranged in the sound-proof shield; an opening communicated with the cavity is formed in one end side of the sound-proof cover; the conveying device and the cutting device are both positioned in the cavity; and a noise reduction system is arranged in the cavity.
Preferably, the noise reduction system comprises a sensing device for judging whether the sawtooth block operates and turning on or off noise reduction according to a judging structure; the induction device is connected with an audio signal acquisition device; the audio signal acquisition device is used for acquiring a noise signal of the sound of the sawtooth block when the induction device is started to reduce noise; the audio signal acquisition device is connected with an analysis device; the analysis device is used for judging the noise signal from the audio signal acquisition device; the analysis device is connected with a noise reduction device, and the noise reduction device is used for judging whether the judgment result of the analysis device turns on or turns off the noise reduction function of the noise reduction device; the noise reduction device is connected with a loudspeaker; the loudspeaker is used for playing the audio frequency after the noise reduction device performs noise reduction processing.
Preferably, the sensing device comprises a decibel sensor for acquiring the noise decibel number of the sawtooth block; the control sensor is used for acquiring operation information of a user; the ultrasonic sensor is used for acquiring distance information between the loudspeaker and the sawtooth block; the analysis device is respectively connected with the sensor, the control sensor and the ultrasonic sensor and is used for judging the noise information when the sawtooth block is in the working state, the operation information of the control sensor and the distance information acquired by the ultrasonic sensor and judging and analyzing whether the noise reduction system is in the using state or not.
Preferably, the noise reduction system further comprises a microphone; the audio signal acquisition device is specifically used for each preset detection interval, and noise signals of the sawtooth blocks are acquired through the microphone.
Preferably, the traction device comprises a base and a tong cutter group; a supporting plate is arranged on the base; the tong cutter group and the supporting plate are arranged in an up-down position; the base is also provided with a driving device which is used for driving the pincer cutter group to rotate and press on the supporting plate in a multi-section force application manner.
Preferably, the driving means includes a rotary shaft rotatable relative to the base; the forceps knife group is sleeved on the rotating shaft; the rotating shaft is also sleeved with a butting cover which synchronously rotates with the rotating shaft; the abutting cover is provided with an opening for the pincer cutter group to pass through; and a gap for the rotary movement of the forceps cutter group is arranged between the forceps cutter group and the opening.
Preferably, an access door is arranged on the side face of the noise reduction system, and the access door is communicated with the cavity.
Preferably, the sound-proof housing is designed to be an interlayer, and sound-absorbing cotton is arranged in the interlayer.
The beneficial effects obtained by the invention are as follows:
1. the invention reduces the noise generated by the sawtooth block in an active noise reduction mode, has obvious noise reduction effect, and replaces the traditional mechanical noise reduction by covering a sound source by a cover body so as to isolate air circulation.
2. The invention also has the advantages of simple structure, capability of preventing the clamp knife group from scratching and stable clamping.
3. The invention creates a comfortable working environment for workers by actively reducing noise, reduces the disease symptoms of the workers caused by the influence of the time noise, has a huge auxiliary effect on the physical and mental health of the workers, and has low manufacturing cost and convenient popularization.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic structural diagram of a tractor according to embodiments 1 to 3 of the present invention;
FIG. 2 is a second schematic structural diagram of a tractor according to embodiments 1-3 of the present invention;
fig. 3 is a flow chart of an operation system of a noise reduction system of a traction machine in embodiments 1 to 3 of the present invention.
Description of reference numerals: 1-a frame; 2-a conveying device; 3-a traction guide rail; 4-a traction device; 5-a cutting device; 51-a saw tooth block; 52-a drive motor; 6-a noise reduction system; 7-an induction device; 8-an audio signal acquisition device; 9-a sound-proof cover; 10-an analysis device; 11-noise reduction means.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.
The first embodiment is as follows:
a tractor as shown in fig. 1 to 3, which comprises a frame 1 and a conveying device 2 arranged on the frame 1; the frame 1 is also provided with a traction guide rail 3; the traction guide 3 is located near the conveyor 2; the traction guide rail 3 is provided with a traction device 4 which reciprocates along the guide direction of the traction guide rail; the conveying device 2 is provided with a cutting device 5 for cutting the section; the traction device 5 is positioned at a lower station of the cutting device 5; the cutting device 5 comprises a sawtooth block 51 and a driving motor 52 for controlling the running state of the sawtooth block 51; the machine frame 1 is also provided with a sound-proof shield 9 arranged along the direction of the traction guide rail 3; a cavity is arranged in the sound-proof shield 9; an opening communicated with the cavity is formed in one end side of the sound-proof cover 9; the conveying device 2 and the cutting device 4 are both positioned in the cavity; and a noise reduction system 6 is arranged in the cavity.
Wherein, sound-proof housing 9 in this embodiment 1 is the intermediate layer design, and is equipped with in the intermediate layer and inhales the sound cotton.
As shown in fig. 2, the noise reduction system 6 in this embodiment 1 includes a sensing device 7 for determining whether the sawtooth block 51 is operating and turning on or off noise reduction according to a determination structure; the induction device 7 is connected with an audio signal acquisition device 8; the audio signal acquisition device 8 is used for acquiring a noise signal of the sound of the sawtooth block 51 when the induction device 7 is started to reduce noise; the audio signal acquisition device 8 is connected with an analysis device 10; the analysis device 10 is used for judging the noise signal from the audio signal acquisition device 8; the analysis device 10 is connected with a noise reduction device 11, and the noise reduction device 11 is used for judging whether the judgment result of the analysis device 10 turns on or turns off the noise reduction function of the noise reduction device 11; the noise reduction device 11 is connected with a loudspeaker 12; the speaker 12 is configured to play the audio that is subjected to the noise reduction processing by the noise reduction apparatus 11.
The sensing device 7 comprises a decibel sensor, and is used for acquiring the noise decibel number of the sawtooth block 51; the control sensor is used for acquiring operation information of a user; the ultrasonic sensor is used for acquiring distance information between the loudspeaker 12 and the sawtooth block; the analyzer 10 is connected to the sensor, the control sensor and the ultrasonic sensor, and is configured to determine noise information when the saw tooth block 51 is in the working state, operation information of the control sensor, and distance information obtained by the ultrasonic sensor, and determine and analyze whether the noise reduction system is in the use state.
Moreover, in order to better collect the noise information of the sawtooth block 51, the noise reduction system 6 in the embodiment 1 further includes a microphone; the audio signal acquisition device 8 is specifically configured to acquire a noise signal of the sawtooth block 51 through the microphone at each preset detection interval.
The traction device in the embodiment 1 comprises a base and a tong cutter group; a supporting plate is arranged on the base; the tong cutter group and the supporting plate are arranged in an up-down position; the base is also provided with a driving device which is used for driving the pincer-cutter group to rotate and press on the supporting plate; the driving device comprises a rotating shaft which can rotate relative to the base; the forceps knife group is sleeved on the rotating shaft; the rotating shaft is also sleeved with a butting cover which synchronously rotates with the rotating shaft; the abutting cover is provided with an opening for the pincer cutter group to pass through; and a gap for the rotary movement of the forceps cutter group is arranged between the forceps cutter group and the opening.
In addition, in order to facilitate the worker to overhaul the tractor, an access door is arranged on the side surface of the noise reduction system 6 in the embodiment 1, and the access door is communicated with the cavity.
Example two:
a tractor as shown in fig. 1 to 3, which comprises a frame 1 and a conveying device 2 arranged on the frame 1; the frame 1 is also provided with a traction guide rail 3; the traction guide 3 is located near the conveyor 2; the traction guide rail 3 is provided with a traction device 4 which reciprocates along the guide direction of the traction guide rail; the conveying device 2 is provided with a cutting device 5 for cutting the section; the traction device 5 is positioned at a lower station of the cutting device 5; the cutting device 5 comprises a sawtooth block 51 and a driving motor 52 for controlling the running state of the sawtooth block 51; the machine frame 1 is also provided with a sound-proof shield 9 arranged along the direction of the traction guide rail 3; a cavity is arranged in the sound-proof shield 9; an opening communicated with the cavity is formed in one end side of the sound-proof cover 9; the conveying device 2 and the cutting device 4 are both positioned in the cavity; and a noise reduction system 6 is arranged in the cavity.
Wherein, sound-proof housing 9 in this embodiment 1 is the intermediate layer design, and is equipped with in the intermediate layer and inhales the sound cotton.
As shown in fig. 2, the noise reduction system 6 in this embodiment 2 includes a sensing device 7 for determining whether the sawtooth block 51 is operating and turning on or off noise reduction according to a determination structure; the induction device 7 is connected with an audio signal acquisition device 8; the audio signal acquisition device 8 is used for acquiring a noise signal of the sound of the sawtooth block 51 when the induction device 7 is started to reduce noise; the audio signal acquisition device 8 is connected with an analysis device 10; the analysis device 10 is used for judging the noise signal from the audio signal acquisition device 8; the analysis device 10 is connected with a noise reduction device 11, and the noise reduction device 11 is used for judging whether the judgment result of the analysis device 10 turns on or turns off the noise reduction function of the noise reduction device 11; the noise reduction device 11 is connected with a loudspeaker 12; the speaker 12 is configured to play the audio that is subjected to the noise reduction processing by the noise reduction apparatus 11.
Wherein the sensing device 7 comprises: a decibel sensor for acquiring the noise decibel number of the sawtooth block 51; the control sensor is used for acquiring operation information of a user; the ultrasonic sensor is used for acquiring distance information between the loudspeaker 12 and the sawtooth block; the analyzer 10 is connected to the sensor, the control sensor and the ultrasonic sensor, and is configured to determine noise information when the saw tooth block 51 is in the working state, operation information of the control sensor, and distance information obtained by the ultrasonic sensor, and determine and analyze whether the noise reduction system is in the use state.
Moreover, in order to better collect the noise information of the sawtooth block 51, the noise reduction system 6 in the embodiment 2 further includes a microphone; the audio signal acquisition device 8 is specifically configured to acquire a noise signal of the sawtooth block 51 through the microphone at each preset detection interval.
The traction device 4 in this embodiment 2 includes a base and a pincer-blade set; a supporting plate is arranged on the base; the tong cutter group and the supporting plate are arranged in an up-down position; the base is also provided with a driving device which is used for driving the pincer-cutter group to rotate and press on the supporting plate; the driving device comprises a rotating shaft which can rotate relative to the base; the forceps knife group is sleeved on the rotating shaft; the rotating shaft is also sleeved with a butting cover which synchronously rotates with the rotating shaft; the abutting cover is provided with an opening for the pincer cutter group to pass through; and a gap for the rotary movement of the forceps cutter group is arranged between the forceps cutter group and the opening.
The driving device in embodiment 2 includes a driving assembly, a first gear connected to the driving assembly, and a second gear engaged with the first gear, where the second gear is connected to the rotating shaft and rotates synchronously with the rotating shaft; the driving assembly is an oil cylinder; the oil cylinder comprises an oil cylinder body and a moving part for driving the first gear to rotate; the moving part is hinged with the first gear.
Firstly, when the section bar is conveyed to a supporting plate, the clamp knife group presses the section bar by utilizing the self gravity and matching the supporting plate; then carrying out traction; further, the first gear of motion drive of hydro-cylinder rotates, and first gear drives the second gear and rotates, and the second gear drives the rotation axis synchronous rotation to drive the butt lid and rotate, on the open-ended top edge pressfitting pincers knife tackle of butt lid, thereby exert the power of pressfitting section bar for pincers knife tackle, thereby further press from both sides tightly the section bar. The two-stage force application is a first-stage clamping force which is used for clamping the section bar by the self gravity of the cutter clamping group, and a second-stage clamping force which is used for further clamping the section bar by applying pressure through the oil cylinder, so that the stability of the section bar when being clamped is ensured.
When the noise reduction device 6 obtains the decibel number of the sawtooth block 51, the operation information of the noise reduction system 6 by a user and the distance information between the loudspeaker 12 and the sawtooth block 51 through a decibel sensor to comprehensively judge whether the noise reduction system 6 is in a use state, when the noise reduction device is in the use state, noise reduction detection is started, a noise signal of the environment where the sawtooth block 51 is located is obtained through a microphone, the collected noise signal is converted into noise decibel information, and the noise decibel information is analyzed and judged, for example, when the obtained noise decibel information is converted into 70 decibels and the preset noise decibel threshold value is 100 decibels, the obtained noise decibel does not exceed the preset noise decibel threshold value, the generated analysis and judgment result is a judgment result of closing the noise reduction function, and when the noise decibel is 120 decibels, the noise decibel is judged to be greater than the preset noise decibel threshold value, the generated analysis judgment result is the judgment result of starting the noise reduction function, and finally, according to the specific information of the judgment result, if the judgment result is the judgment result of starting the noise reduction function, the noise reduction function is started; and when the judgment result is the judgment result for closing the noise reduction, closing the noise reduction function.
Example three:
in this embodiment 3, on the basis of the embodiments 1 and 2, in order to improve the automation level, improve the working efficiency, and reduce the human labor, a control system for controlling the cutting device is further provided, which includes three mode parameter optimization controllers for determining the optimal operation and control parameters, a main motion control loop, a feeding motion control loop, a saw blade vibration elimination loop, a saw cutting error compensation loop, and a photoelectric tooth breakage detection device; wherein, the three-mode parameter optimization controller outputs the optimized parameter values to the main motion control loop, the feed motion control loop, the saw blade vibration elimination loop and the saw cutting error compensation loop; in the main motion control loop, a photoelectric speed measuring device measures the speed of the sawtooth block 51 and outputs the measured speed value to a main motion controller, and the main motion controller controls the speed of the sawtooth block 51 by controlling a main motion servo motor; in the feed motion control loop, a photoelectric speed measuring device measures the speed of the saw frame and transmits the speed value to a feed motion controller, and the feed motion controller controls the speed of the saw frame by controlling a feed servo motor; in the vibration elimination loop of the sawtooth block 51, an ultrasonic controller and an ultrasonic transducer form an ultrasonic control and transducer device, eddy current displacement detection is carried out on two ends of the sawtooth block 51 through an eddy current displacement sensor, a displacement detection value is input into the ultrasonic controller to calculate a vibration value, the ultrasonic controller controls the ultrasonic transducer device to generate an ultrasonic pulse signal, and the ultrasonic transducer device acts on the sawtooth block 51 to realize vibration elimination of the sawtooth block 51; in the sawing error compensation loop, eddy current displacement detection is carried out on two ends of the sawtooth block 51 through an eddy current displacement sensor, a displacement detection value is input into a guide controller to calculate an error value, and the guide controller controls a guide mechanism of the sawtooth block 51 to realize sawing error compensation; the fault judgment is completed through the real-time detection of photoelectric broken tooth detection devices at two ends of the sawtooth block 51; if the fault exists, the shutdown controller carries out shutdown operation, and if the fault does not exist, the operation is continued according to the optimized parameters.
The machine frame 1 is also provided with a dust removing device and an air draft device, wherein the dust removing device comprises an air inlet, an air outlet and a scrap removing box; the air inlet faces the sawing block 51, and the air outlet is communicated with the scrap removing box; one port of the air draft equipment is communicated with the scrap removing box, the other end of the air draft equipment faces the air, and the content of aluminum scraps is sharply reduced after the air with the aluminum scraps passes through the scrap removing box and is discharged through the air draft equipment from one port of the scrap removing box.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (8)
1. A tractor is characterized by comprising a frame and a conveying device arranged on the frame; the rack is also provided with a traction guide rail; the traction guide rail is positioned near the conveying device; the traction guide rail is provided with a traction device which reciprocates along the guide direction of the traction guide rail; the conveying device is provided with a cutting device for cutting the section; the traction device is positioned at a lower station of the cutting device; the cutting device comprises a sawtooth block and a driving motor for controlling the running state of the sawtooth block; the machine frame is also provided with a sound-proof shield arranged along the direction of the traction guide rail; a cavity is arranged in the sound-proof shield; an opening communicated with the cavity is formed in one end side of the sound-proof cover; the conveying device and the cutting device are both positioned in the cavity; and a noise reduction system is arranged in the cavity.
2. The tractor according to claim 1, wherein the noise reduction system comprises a sensing device for judging whether the sawtooth block operates and turning on or off noise reduction according to the judgment result; the induction device is connected with an audio signal acquisition device; the audio signal acquisition device is used for acquiring a noise signal of the sound of the sawtooth block when the induction device is started to reduce noise; the audio signal acquisition device is connected with an analysis device; the analysis device is used for judging the noise signal from the audio signal acquisition device; the analysis device is connected with a noise reduction device, and the noise reduction device is used for judging whether the judgment result of the analysis device turns on or turns off the noise reduction function of the noise reduction device; the noise reduction device is connected with a loudspeaker; the loudspeaker is used for playing the audio frequency after the noise reduction device performs noise reduction processing.
3. The tractor of claim 2, wherein the sensing device includes a decibel sensor for obtaining decibels of noise of the sawtooth block; the control sensor is used for acquiring operation information of a user; the ultrasonic sensor is used for acquiring distance information between the loudspeaker and the sawtooth block; the analysis device is respectively connected with the sensor, the control sensor and the ultrasonic sensor and is used for judging the noise information when the sawtooth block is in the working state, the operation information of the control sensor and the distance information acquired by the ultrasonic sensor and judging and analyzing whether the noise reduction system is in the using state or not.
4. A tractor according to claim 2, wherein the noise reduction system further comprises a microphone; the audio signal acquisition device is specifically used for each preset detection interval, and noise signals of the sawtooth blocks are acquired through the microphone.
5. The tractor of claim 1, wherein the traction device includes a base and a jaw set; a supporting plate is arranged on the base; the tong cutter group and the supporting plate are arranged in an up-down position; and the base is also provided with a driving device for driving the pincer-cutter group to rotate and press on the supporting plate.
6. A tractor according to claim 5, wherein said drive means includes a rotatable shaft rotatable relative to said base; the forceps knife group is sleeved on the rotating shaft; the rotating shaft is also sleeved with a butting cover which synchronously rotates with the rotating shaft; the abutting cover is provided with an opening for the pincer cutter group to pass through; and a gap for the rotary movement of the forceps cutter group is arranged between the forceps cutter group and the opening.
7. A tractor according to claim 1, wherein the noise reduction system is provided with an access door on a side thereof, and the access door is in communication with the cavity.
8. A tractor as claimed in claim 1, wherein the noise enclosure is of sandwich design and sound absorbing cotton is provided in the sandwich.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277864.7A CN110919090A (en) | 2019-12-12 | 2019-12-12 | Traction machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277864.7A CN110919090A (en) | 2019-12-12 | 2019-12-12 | Traction machine |
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| CN110919090A true CN110919090A (en) | 2020-03-27 |
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| CN207930085U (en) * | 2018-03-15 | 2018-10-02 | 沈燕丽 | A kind of novel aluminum product processing cutting equipment |
| CN209371393U (en) * | 2018-09-28 | 2019-09-10 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit and air-conditioning |
| CN110270714A (en) * | 2019-03-27 | 2019-09-24 | 佛山市腾华自动化机械有限公司 | A kind of double saw draggers of double end |
| CN109877262A (en) * | 2019-04-22 | 2019-06-14 | 西安航空职业技术学院 | A kind of noise reduction swage |
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