CN115559942B - Weighing cover silence section - Google Patents
Weighing cover silence section Download PDFInfo
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- CN115559942B CN115559942B CN202211277758.0A CN202211277758A CN115559942B CN 115559942 B CN115559942 B CN 115559942B CN 202211277758 A CN202211277758 A CN 202211277758A CN 115559942 B CN115559942 B CN 115559942B
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- China
- Prior art keywords
- fixedly arranged
- plate
- silencing
- pipeline
- fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/22—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a weighing cover silence section, which relates to the field of weighing cover silence and comprises the following components: a fan case; the outer side of the fan box is fixedly provided with a locking device, and the top of the fan box is fixedly provided with an adjusting mechanism; the bottom of the inner side of the fan box is fixedly provided with a connecting device, and the inner side of the connecting device is fixedly provided with a damping mechanism; the utility model discloses a noise reduction device, including the device, linking device top slip is provided with silence mechanism, and silence mechanism outside is fixed to be provided with reinforcing apparatus, through being provided with silence mechanism and locking device, can be more simple and convenient make the inside amortization maze that increases of tuber pipe, make the air current of taking high wind to make an uproar in amortization maze internal reflection decay, in order to reach the purpose that reduces the noise by a wide margin under the circumstances that does not influence weighing cover wholeness ability, and have not influenced the maintenance to the later stage, it is limited to have solved the degree of making an uproar to fall, and the amortization cotton wraps up in too much influence later stage equipment maintenance, also have the problem of the risk that the amortization cotton drops after long-time use moreover.
Description
Technical Field
The invention relates to the technical field of weighing cover silence, in particular to a weighing cover silence section.
Background
The weighing cover is also called a negative pressure weighing cover or a weighing chamber, and the negative pressure weighing chamber (cover) is special local purifying equipment for occasions such as pharmacy, microbiological research, scientific experiments and the like and provides vertical unidirectional air flow; because the weighing cover needs the fan to drive the internal air flow to circulate, noise generated by the fan and the air flow can be avoided, if the noise is too large, the noise can have a certain influence on the room environment and internal staff, and therefore the mute treatment of the weighing cover is particularly important.
The existing noise reduction mode of the weighing cover is used for wrapping noise reduction cotton on the fan and the internal air pipe so as to achieve the noise reduction effect, but the noise reduction degree of the method is limited, the noise reduction cotton is wrapped too much to influence the maintenance and overhaul of later-stage equipment, and the risk that the noise reduction cotton falls off after long-time use is also caused.
Disclosure of Invention
In view of the above, the invention provides a mute section of a weighing cover, which is provided with a mute mechanism and a locking device, so that a mute labyrinth can be more simply and conveniently added in an air pipe, and high-wind-noise airflow can be reflected and attenuated in the mute labyrinth, the purpose of greatly reducing noise is achieved under the condition that the overall performance of the weighing cover is not affected, and the noise reduction device is arranged in the air pipe and has no influence on later maintenance.
The invention provides a weighing cover mute section, which specifically comprises the following components: a fan case;
an auxiliary silencing reinforcing plate is fixedly arranged on the inner wall of the fan box, a bearing is arranged on the front side of the fan box in a matched mode, and a connecting shaft is arranged in the bearing in a matched mode; the outer side of the connecting shaft is fixedly provided with a door plate, the front side of the door plate is fixedly provided with a handle, and the inner side of the door plate is also fixedly provided with an auxiliary silencing reinforcing plate; the outer side of the fan box is fixedly provided with a locking device, and the top of the fan box is fixedly provided with an adjusting mechanism; the bottom of the inner side of the fan box is fixedly provided with a connecting device, and the inner side of the connecting device is fixedly provided with a damping mechanism; the connection device top slides and is provided with silence mechanism, and silence mechanism outside is fixed to be provided with reinforcing apparatus to reinforcing apparatus is provided with two places.
Further, a fixed block is fixedly arranged on the front side of the door plate, and a locking hook is fixedly arranged on the outer side of the fixed block; the number of the locking hooks and the number of the fixing blocks are two, the two groups of the fixing blocks are symmetrically arranged, and rib plates are fixedly arranged between the outer sides of the fixing blocks and the outer sides of the door plates.
Further, the locking device includes: the locking device comprises a fixing frame, a handle, a fixing rod, a locking block and a locking ring; the fixing frames are fixedly arranged on the outer side of the fan case, and the number of the fixing frames is two; the handle is rotatably arranged at the outer side of the fixing frame; the fixed rod is fixedly arranged in the handle; the locking block is arranged on the outer side of the fixed rod in a sliding manner, and a spring piece is arranged between the outer side of the locking block and the top end of the fixed rod; the locking ring is rotatably arranged at the outer side of the locking block, and the locking ring is movably connected with the locking hook.
Further, the engagement device includes: the device comprises a connecting frame, a bearing frame, a damping plate, a fan main body, a driving motor, an air outlet pipe, a silencing pipeline A and a silencing plate A; the connecting frame is fixedly arranged at the bottom of the inner side of the fan case, and the connecting frame main body is of an annular structure; the bearing frame is movably arranged at the bottom of the inner side of the fan case; the damping plate is fixedly arranged at the top of the bearing frame; the fan main body is fixedly arranged at the top of the damping plate, and a damping pad is arranged between the bottom of the fan main body and the top of the damping plate; the driving motor is fixedly arranged on the outer side of the fan main body, and the shaft end of the driving motor is fixedly connected with the fan blades in the fan main body; the air outlet pipe is fixedly arranged at the top side of the air outlet of the fan main body, and the air outlet pipe is fixedly arranged in the top side of the fan box; the silencing pipeline A is fixedly arranged at the top of the air outlet pipe through a flange plate; the silencer plate A is fixedly arranged inside the silencing pipeline A, and the silencer plate A is obliquely arranged at 45 degrees.
Further, the damping mechanism includes: the device comprises a fixed cylinder, a sliding rod, a piston plate, an orifice and a sliding plate; the fixed cylinder is fixedly arranged on the inner side of the connecting frame, and viscous fluid is arranged in the fixed cylinder; the sliding rod is arranged in the fixed cylinder in a sliding way; the piston plate is fixedly arranged at the rear end of the sliding rod, and the piston plate is slidably arranged in the fixed cylinder; the throttle holes are arranged in the piston plate, are arranged in an annular array, and completely penetrate through the piston plate; the sliding plate is fixedly arranged at the top end of the sliding rod, and the sliding plate is arranged at the outer side of the bearing frame in a sliding manner through the dovetail groove.
Further, the muting mechanism includes: the connecting pipeline, the silencing pipeline B, the silencing pipeline C and the fixing plate; the connecting pipeline is arranged at the outer side of the silencing pipeline A in a sliding way; the silencing pipeline B is fixedly arranged on the inner side of the top of the connecting pipeline, and the bottom of the silencing pipeline B is attached to the top of the silencing pipeline A; the silencing pipeline C is fixedly arranged outside the top port of the silencing pipeline B through a flange plate; the number of the fixing plates is two, and the two groups of fixing plates are respectively and fixedly arranged on the outer sides of the silencing pipelines B and C.
Furthermore, a silencing plate B is fixedly arranged at the top of the inner side of the silencing pipeline B, and the silencing plate B and the silencing plate A are arranged in parallel; two groups of silencing plates C are fixedly arranged in the silencing pipeline B, the two groups of silencing plates C are arranged in parallel, and the silencing plates C and the silencing plates B are arranged in a vertical structure; the inside bottom of amortization pipeline C is fixed to be provided with acoustical panel D, and acoustical panel D main part sets up to L shape structure to acoustical panel D is the inline setting.
Further, the adjustment mechanism includes: the support column, the cross shaft, the conical gear A and the cross plate; the support columns are fixedly arranged at the top of the fan case, and the number of the support columns is two; the outer side of the transverse shaft is provided with a bearing in a matched manner, and the bearing is arranged in the support column in a matched manner; a hand wheel is fixedly arranged at the top end of the transverse shaft, and the transverse shaft is positioned between the two groups of support columns; the conical gears A are fixedly arranged on the outer side of the transverse shaft, and the number of the conical gears A is two; the diaphragm is fixedly arranged inside the support column.
Further, the adjustment mechanism further includes: the device comprises a threaded rod A, a conical gear B, an adjusting column and a supporting plate; the bearing is arranged on the outer side of the threaded rod A in a matched manner, the bearing is arranged in the transverse plate in a matched manner, and the number of the threaded rods A is two; the number of the conical gears B is two, the two groups of conical gears B are respectively and fixedly arranged at the bottom ends of the two groups of threaded rods A, and the conical gears B are meshed with the conical gears A; the adjusting column is arranged in the supporting column in a sliding manner, and a threaded rod A is arranged in the adjusting column in a threaded connection manner; the backup pad is fixed to be set up in adjusting column top, and the backup pad is fixed to be set up in amortization pipeline B bottom.
Further, the reinforcement device includes: the device comprises a threaded rod B, a threaded cylinder, a vertical plate, a shock absorber, a reinforcing frame and a connecting gear; the threaded rods B are fixedly arranged on the outer side of the fixed plate, the number of the threaded rods B is two, and the two groups of threaded rods B are symmetrically arranged; the thread cylinder is arranged at the outer side of the threaded rod B through threaded connection; the inside of the vertical plate is provided with a bearing in a matching way, and the bearing is arranged on the outer side of the threaded cylinder in a matching way; the shock absorber is fixedly arranged on the outer side of the vertical plate; the reinforcing frame is fixedly arranged at the top end of the shock absorber; the connecting gears are fixedly arranged on the outer side of the threaded cylinder, the number of the connecting gears is two, and the two groups of the connecting gears are meshed with each other.
Advantageous effects
According to the weighing cover silencing section, the silencing mechanism and the locking device are arranged, so that the silencing labyrinth can be more conveniently added in the air pipe, the air flow with high wind noise is reflected and attenuated in the silencing labyrinth, the purpose of greatly reducing noise is achieved under the condition that the overall performance of the weighing cover is not affected, and the noise reduction device is arranged in the air pipe and has no influence on later maintenance.
In addition, by arranging the silencing plates A, B and C and D, the effect of forming a silencing labyrinth inside the silencing pipelines A, B and C is achieved, so that high-wind-noise airflow is reflected and attenuated through the silencing plates A, B and C and D, and noise generated by high-speed airflow is eliminated; thereby achieving the aim of greatly reducing noise; the auxiliary silencing reinforcing plate is added inside the fan case, so that the effect of outwards sending noise by the fan is reduced on the basis of reducing resonance noise by the reinforced fan case, and the noise reduction and silencing effect is enhanced.
In addition, through being provided with cross axle and two sets of conical gear A and two sets of conical gear B, realized making the effect that two sets of threaded rods A rotated simultaneously, played the effect that makes two sets of adjusting columns drive amortization pipeline B and amortization pipeline C and reciprocate, be favorable to according to actual installation height, adjust the air-out height, strengthened the convenience of silence section; through being provided with locking device and locking hook, realized light convenient effect with door plant opening or closing, played the effect of conveniently maintaining the fan main part.
In addition, through being provided with damper, realized carrying out the effect of shock attenuation to bearing frame and fan main part and driving motor, be favorable to avoiding fan main part and driving motor to appear great noise when working; the two groups of connecting gears are meshed with each other and the two groups of threaded rods B are symmetrically arranged, so that the two groups of threaded cylinders simultaneously rotate in opposite directions and drive the vertical plate and the reinforcing frame to horizontally move, and the reinforcing frame reaches a fixed position; play the effect of reinforcing amortization pipeline B and amortization pipeline C stability, can be simpler avoid the air-out pipeline to show the phenomenon that the air-out pipeline rocked by a wide margin because of gaseous high-speed impact, be favorable to avoiding the air-out pipeline to rock by a wide margin and produce the noise, strengthened the practicality of silence section.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall structure of a weighing hood silence section according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the internal structure of a fan case of a weighing hood mute section according to an embodiment of the present invention.
FIG. 3 is a schematic view of the upper surface of the engagement frame of the mute section of the weighing enclosure of an embodiment of the present invention.
Fig. 4 is a schematic diagram of a connection structure between a connection device of a mute section of a weighing cover and a shock absorbing mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a vibration damping mechanism of a mute section of a weighing hood according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a tightening device for a mute section of a weighing hood according to an embodiment of the present invention.
Fig. 7 is a schematic view of a door panel structure of a silence section of a weighing hood according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of an adjusting mechanism of a silence section of a weighing hood according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of a connection structure between a muting mechanism and a reinforcement device of a muting section of a weighing enclosure according to an embodiment of the present invention.
Fig. 10 is a schematic view showing the internal structures of the silencing pipes B and C of the silence section of the weighing cover according to the embodiment of the present invention.
Fig. 11 is a schematic structural view of a reinforcing device for a silence section of a weighing hood according to an embodiment of the present invention.
List of reference numerals
1. A fan case; 101. a connecting shaft; 102. a door panel; 103. a handle; 104. a fixed block; 105. rib plates; 106. a locking hook; 107. an auxiliary silencing reinforcing plate;
2. a locking device; 201. a fixing frame; 202. a handle; 203. a fixed rod; 204. a locking block; 205. a locking ring;
3. a linking device; 301. a connecting frame; 302. a bearing frame; 303. a shock absorbing plate; 304. a fan main body; 305. a driving motor; 306. an air outlet pipe; 307. silencing the pipeline A; 3071. a sound deadening plate A;
4. a damping mechanism; 401. a fixed cylinder; 402. a slide bar; 403. a piston plate; 404. an orifice; 405. a sliding plate;
5. a silencing mechanism; 501. a connecting pipe; 502. a silencing pipeline B; 5021. a muffler plate B; 5022. a muffler plate C; 503. a silencing pipe C; 5031. a muffler plate D; 504. a fixing plate;
6. an adjusting mechanism; 601. a support column; 602. a horizontal axis; 603. a conical gear A; 604. a cross plate; 605. a threaded rod A; 606. a bevel gear B; 607. an adjusting column; 608. a support plate;
7. a reinforcing device; 701. a threaded rod B; 702. a thread cylinder; 703. a riser; 704. a damper; 705. a reinforcing frame; 706. and a connecting gear.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Examples: please refer to fig. 1 to 11:
the invention provides a weighing cover silence section, comprising: a fan case 1;
an auxiliary silencing reinforcing plate 107 is fixedly arranged on the inner wall of the fan case 1, a bearing is arranged on the front side of the fan case 1 in a matched mode, and a connecting shaft 101 is arranged in the bearing in a matched mode; a door plate 102 is fixedly arranged on the outer side of the connecting shaft 101, a handle 103 is fixedly arranged on the front side of the door plate 102, and an auxiliary silencing reinforcing plate 107 is fixedly arranged on the inner side of the door plate 102; the concrete functions are as follows: by adding the auxiliary silencing reinforcing plate 107 in the fan case 1, the effect of reducing the noise emitted by the fan main body 304 outwards on the basis of reducing resonance noise of the reinforced fan case 1 is realized, and the noise reduction and silencing effect is enhanced; the outer side of the fan case 1 is fixedly provided with a locking device 2, and the top of the fan case 1 is fixedly provided with an adjusting mechanism 6; the locking device 2 includes: a fixing frame 201, a handle 202, a fixing rod 203, a locking block 204 and a locking ring 205; the fixing frames 201 are fixedly arranged on the outer side of the fan case 1, and the number of the fixing frames 201 is two; the handle 202 is rotatably arranged on the outer side of the fixed frame 201; the fixed rod 203 is fixedly arranged inside the handle 202; the locking block 204 is slidably arranged outside the fixed rod 203, and a spring member is arranged between the outside of the locking block 204 and the top end of the fixed rod 203; the locking ring 205 is rotatably arranged at the outer side of the locking block 204, and the locking ring 205 is movably connected with the locking hook 106; the concrete functions are as follows: by the locking device 2 and the locking hook 106, the door plate 102 can be opened or closed easily and conveniently, and the fan main body 304 can be maintained conveniently; the bottom of the inner side of the fan case 1 is fixedly provided with a connecting device 3, and the inner side of the connecting device 3 is fixedly provided with a damping mechanism 4; the top of the connecting device 3 is provided with a mute mechanism 5 in a sliding way, the outer side of the mute mechanism 5 is fixedly provided with a reinforcing device 7, and the reinforcing device 7 is provided with two parts; the muting mechanism 5 includes: connecting pipe 501, silencing pipe B502, silencing pipe C503 and fixing plate 504; the connecting pipe 501 is slidably arranged outside the silencing pipe a 307; the silencing pipeline B502 is fixedly arranged on the inner side of the top of the connecting pipeline 501, and the bottom of the silencing pipeline B502 is attached to the top of the silencing pipeline A307; the silencing pipeline C503 is fixedly arranged outside the top port of the silencing pipeline B502 through a flange plate; the number of the fixing plates 504 is two, and the two groups of fixing plates 504 are respectively and fixedly arranged outside the silencing pipelines B502 and C503; the top of the inner side of the silencing pipeline B502 is fixedly provided with a silencing plate B5021, and the silencing plate B5021 and the silencing plate A3071 are arranged in parallel; two groups of silencing plates C5022 are fixedly arranged in the silencing pipeline B502, the two groups of silencing plates C5022 are arranged in parallel, and the silencing plates C5022 and the silencing plates B5021 are arranged in a vertical structure; the bottom of the inner side of the silencing pipeline C503 is fixedly provided with a silencing plate D5031, the main body of the silencing plate D5031 is of an L-shaped structure, and the silencing plates D5031 are arranged in a straight line; the concrete functions are as follows: by arranging the silencer A3071, the silencer B5021, the silencer C5022 and the silencer D5031, the silencing labyrinth forming effect is achieved in the silencer A307, the silencer B502 and the silencer C503, the air flow with high wind noise is reflected and attenuated through the silencer A3071, the silencer B5021, the silencer C5022 and the silencer D5031, and noise generated by high-speed gas flow is eliminated; thereby achieving the aim of greatly reducing noise.
Wherein, the front side of the door plate 102 is fixedly provided with a fixed block 104, and the outer side of the fixed block 104 is fixedly provided with a locking hook 106; the number of the locking hooks 106 and the number of the fixing blocks 104 are two, the two groups of the fixing blocks 104 are symmetrically arranged, and rib plates 105 are fixedly arranged between the outer sides of the fixing blocks 104 and the outer sides of the door plates 102; the concrete functions are as follows: by the locking device 2 and the locking hook 106, the door plate 102 can be opened or closed easily and conveniently, and the fan main body 304 can be maintained conveniently.
Wherein the engagement means 3 comprises: the connecting frame 301, the bearing frame 302, the damping plate 303, the fan main body 304, the driving motor 305, the air outlet pipe 306, the silencing pipeline A307 and the silencing plate A3071; the connecting frame 301 is fixedly arranged at the bottom of the inner side of the fan case 1, and the main body of the connecting frame 301 is in an annular structure; the bearing frame 302 is movably arranged at the bottom of the inner side of the fan case 1; the damping plate 303 is fixedly arranged at the top of the bearing frame 302; the fan main body 304 is fixedly arranged at the top of the damping plate 303, and a damping pad is arranged between the bottom of the fan main body 304 and the top of the damping plate 303; the driving motor 305 is fixedly arranged outside the fan main body 304, and the shaft end of the driving motor 305 is fixedly connected with the fan blades inside the fan main body 304; the air outlet pipe 306 is fixedly arranged at the top side of the air outlet of the fan main body 304, and the air outlet pipe 306 is fixedly arranged in the top side of the fan case 1; the silencing pipeline A307 is fixedly arranged at the top of the air outlet pipe 306 through a flange plate; the silencer plate A3071 is fixedly arranged in the silencer duct A307, and the silencer plate A3071 is obliquely arranged at 45 degrees; the concrete functions are as follows: by arranging the silencer A3071, the silencer B5021, the silencer C5022 and the silencer D5031, the silencing labyrinth forming effect is achieved in the silencer A307, the silencer B502 and the silencer C503, the air flow with high wind noise is reflected and attenuated through the silencer A3071, the silencer B5021, the silencer C5022 and the silencer D5031, and noise generated by high-speed gas flow is eliminated; thereby achieving the aim of greatly reducing noise.
Wherein, damper 4 includes: a fixed cylinder 401, a slide rod 402, a piston plate 403, an orifice 404, and a slide plate 405; the fixed cylinder 401 is fixedly arranged on the inner side of the connecting frame 301, and viscous fluid is arranged in the fixed cylinder 401; the sliding rod 402 is slidably disposed inside the fixed cylinder 401; the piston plate 403 is fixedly arranged at the rear end of the sliding rod 402, and the piston plate 403 is slidably arranged inside the fixed cylinder 401; the throttle holes 404 are arranged inside the piston plate 403, the throttle holes 404 are arranged in an annular array, and the throttle holes 404 completely penetrate the piston plate 403; the sliding plate 405 is fixedly arranged at the top end of the sliding rod 402, and the sliding plate 405 is slidably arranged outside the bearing frame 302 through a dovetail groove; the concrete functions are as follows: through being provided with damper 4, realized carrying out the absorbing effect to bearing frame 302 and fan main part 304 and driving motor 305, be favorable to avoiding fan main part 304 and driving motor 305 to appear great noise at the during operation.
Wherein the adjusting mechanism 6 comprises: support column 601, cross shaft 602, bevel gear a603, cross plate 604, threaded rod a605, bevel gear B606, adjustment post 607, and support plate 608; the support columns 601 are fixedly arranged at the top of the fan case 1, and the number of the support columns 601 is two; the outer side of the transverse shaft 602 is provided with a bearing in a matched manner, and the bearing is arranged in the support column 601 in a matched manner; a hand wheel is fixedly arranged at the top end of the transverse shaft 602, and the transverse shaft 602 is positioned between two groups of support columns 601; the conical gears A603 are fixedly arranged outside the transverse shaft 602, and the number of the conical gears A603 is two; the transverse plate 604 is fixedly arranged inside the support column 601; bearings are mounted on the outer side of the threaded rod A605 in a matched mode, the bearings are mounted inside the transverse plate 604 in a matched mode, and the number of the threaded rods A605 is two; the number of the bevel gears B606 is two, the two groups of the bevel gears B606 are respectively and fixedly arranged at the bottom ends of the two groups of the threaded rods A605, and the bevel gears B606 are meshed with the bevel gears A603; the adjusting column 607 is slidably arranged inside the supporting column 601, and a threaded rod A605 is arranged inside the adjusting column 607 in a threaded connection manner; the supporting plate 608 is fixedly arranged at the top of the adjusting column 607, and the supporting plate 608 is fixedly arranged at the bottom of the silencing pipeline B502; the concrete functions are as follows: through being provided with cross axle 602 and two sets of conical gear A603 and two sets of conical gear B606, realized making two sets of threaded rod A605 pivoted effect simultaneously, played the effect that makes two sets of adjusting post 607 drive amortization pipeline B502 and amortization pipeline C503 reciprocate, be favorable to according to the actual installation height, adjust the air-out height, strengthened the convenience of silence section.
Wherein the reinforcement means 7 comprises: threaded rod B701, threaded cylinder 702, riser 703, shock absorber 704, reinforcing frame 705 and connecting gear 706; the threaded rods B701 are fixedly arranged on the outer side of the fixed plate 504, the number of the threaded rods B701 is two, and the two groups of the threaded rods B701 are symmetrically arranged; the thread cylinder 702 is arranged outside the threaded rod B701 through threaded connection; bearings are mounted in the vertical plates 703 in a matched mode, and the bearings are mounted on the outer side of the threaded cylinder 702 in a matched mode; the shock absorber 704 is fixedly arranged outside the vertical plate 703; the reinforcing frame 705 is fixedly arranged at the top end of the shock absorber 704; the connecting gears 706 are fixedly arranged outside the threaded cylinder 702, the number of the connecting gears 706 is two, and the two groups of the connecting gears 706 are meshed with each other; the concrete functions are as follows: two groups of connecting gears 706 are meshed with each other and two groups of threaded rods B701 are symmetrically arranged, so that two groups of threaded cylinders 702 simultaneously rotate in opposite directions and drive a vertical plate 703 and a reinforcing frame 705 to horizontally move, and the reinforcing frame 705 reaches a fixed position; the device has the advantages that the device plays a role in enhancing the stability of the silencing pipelines B502 and C503, can more simply avoid the phenomenon that the air outlet pipeline shakes greatly due to high-speed impact of gas, and is beneficial to avoiding noise generated by shaking the air outlet pipeline greatly.
Specific use and action of the embodiment: in the invention, when in use, the fan case 1 is fixedly arranged at a designated position in the weighing cover, the cross shaft 602 is rotated through the hand wheel, the cross shaft 602 drives the two groups of threaded rods A605 to rotate through the two groups of conical gears A603 and the conical gears B606, the two groups of threaded rods A605 simultaneously drive the two groups of adjusting columns 607 to move up and down, and the two groups of adjusting columns 607 drive the silencing pipeline B502 and the silencing pipeline C503 to reach designated height through the supporting plate 608; rotating one group of screw thread barrels 702, and simultaneously moving the two groups of screw thread barrels 702 in opposite directions through two groups of connecting gears 706, so that the two groups of screw thread barrels 702 drive a vertical plate 703 and a reinforcing frame 705 to horizontally move through two groups of threaded rods B701; fixing the reinforcing frame 705 to the inner wall of the weighing cover; damping the sound absorbing pipe B502 and the sound deadening pipe C503 by the damper 704; the device has the advantages that the device plays a role in enhancing the stability of the silencing pipelines B502 and C503, can more simply avoid the phenomenon that the air outlet pipeline shakes greatly due to high-speed impact of gas, and is beneficial to avoiding noise generated by the large-amplitude shaking of the air outlet pipeline; the fan blades in the fan main body 304 are driven to rotate by the driving motor 305, so that the air flow with high wind noise enters the silencing pipeline A307; the high wind noise airflow flows in a reflection way through the silencing plates A3071, B5021, C5022 and D5031, so that the high wind noise airflow noise is greatly attenuated; so that noise generated by high-speed gas flow is eliminated; thereby achieving the aim of greatly reducing noise; rotating the handle 202 such that the locking ring 205 is positioned inside the locking hook 106, pressing the handle 202 such that the handle 202 remains level with the fan case 1, thereby allowing the door panel 102 to be secured by the locking ring 205 and the locking hook 106; the effect of opening or closing the door plate 102 easily and conveniently is achieved, and the effect of maintaining the fan main body 304 conveniently is achieved.
When the driving motor 305 and the fan main body 304 work to generate vibration, the sliding rod 402 is extruded, and the sliding rod 402 drives the piston plate 403 to slide in the fixed cylinder 401; so that the viscous fluid inside the fixed cylinder 401 passes through the orifice 404, so that the viscous fluid in the two spaces partitioned by the piston plate 403 can be mutually supplemented; thereby achieving the purpose of shock absorption; plays a role in multidirectional damping of the driving motor 305 and the fan main body 304; the fan main body 304 and the driving motor 305 are prevented from generating larger noise during working; by adding the auxiliary silencing reinforcing plate 107 inside the fan case 1, the effect of outwards emitting noise by the fan main body 304 is reduced on the basis of reducing resonance noise by reinforcing the fan case 1, and the noise reduction and silencing effect is enhanced.
Finally, it should be noted that the present invention is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (4)
1. A weighing cover silence section, comprising: a fan case (1);
an auxiliary silencing reinforcing plate (107) is fixedly arranged on the inner wall of the fan box (1), a bearing is mounted on the front side of the fan box (1) in a matched mode, and a connecting shaft (101) is mounted in the bearing in a matched mode; a door plate (102) is fixedly arranged on the outer side of the connecting shaft (101), a handle (103) is fixedly arranged on the front side of the door plate (102), and an auxiliary silencing reinforcing plate (107) is fixedly arranged on the inner side of the door plate (102); the locking device (2) is fixedly arranged on the outer side of the fan box (1), and the adjusting mechanism (6) is fixedly arranged on the top of the fan box (1); the bottom of the inner side of the fan box (1) is fixedly provided with a connecting device (3), and the inner side of the connecting device (3) is fixedly provided with a damping mechanism (4); the engagement device (3) comprises: the device comprises a connecting frame (301), a bearing frame (302), a damping plate (303), a fan main body (304), a driving motor (305), an air outlet pipe (306), a silencing pipeline A (307) and a silencing plate A (3071); the connecting frame (301) is fixedly arranged at the bottom of the inner side of the fan case (1), and the main body of the connecting frame (301) is of an annular structure; the bearing frame (302) is movably arranged at the bottom of the inner side of the fan case (1); the damping plate (303) is fixedly arranged at the top of the bearing frame (302); the fan main body (304) is fixedly arranged at the top of the damping plate (303), and a damping pad is arranged between the bottom of the fan main body (304) and the top of the damping plate (303); the driving motor (305) is fixedly arranged at the outer side of the fan main body (304), and the shaft end of the driving motor (305) is fixedly connected with the fan blades in the fan main body (304); the air outlet pipe (306) is fixedly arranged at the top side of the air outlet of the fan main body (304), and the air outlet pipe (306) is fixedly arranged in the top side of the fan case (1); the silencing pipeline A (307) is fixedly arranged at the top of the air outlet pipe (306) through a flange plate; the silencer plate A (3071) is fixedly arranged in the silencer pipeline A (307), and the silencer plate A (3071) is obliquely arranged at 45 degrees; the damper mechanism (4) includes: a fixed cylinder (401), a sliding rod (402), a piston plate (403), an orifice (404) and a sliding plate (405); the fixed cylinder (401) is fixedly arranged on the inner side of the connecting frame (301), and viscous fluid is arranged in the fixed cylinder (401); the sliding rod (402) is arranged in the fixed cylinder (401) in a sliding way; the piston plate (403) is fixedly arranged at the rear end of the sliding rod (402), and the piston plate (403) is slidably arranged in the fixed cylinder (401); the throttle holes (404) are formed in the piston plate (403), the throttle holes (404) are arranged in an annular array, and the throttle holes (404) completely penetrate through the piston plate (403); the sliding plate (405) is fixedly arranged at the top end of the sliding rod (402), and the sliding plate (405) is arranged at the outer side of the bearing frame (302) in a sliding manner through a dovetail groove; the top of the connecting device (3) is provided with a mute mechanism (5) in a sliding manner, the outer side of the mute mechanism (5) is fixedly provided with a reinforcing device (7), and the reinforcing device (7) is provided with two parts; the muting mechanism (5) includes: a connecting pipe (501), a silencing pipe B (502), a silencing pipe C (503) and a fixing plate (504); the connecting pipeline (501) is arranged outside the silencing pipeline A (307) in a sliding way; the silencing pipeline B (502) is fixedly arranged on the inner side of the top of the connecting pipeline (501), and the bottom of the silencing pipeline B (502) is attached to the top of the silencing pipeline A (307); the silencing pipeline C (503) is fixedly arranged outside the top port of the silencing pipeline B (502) through a flange plate; the number of the fixing plates (504) is two, and the two groups of the fixing plates (504) are respectively and fixedly arranged at the outer sides of the silencing pipeline B (502) and the silencing pipeline C (503); a silencing plate B (5021) is fixedly arranged at the top of the inner side of the silencing pipeline B (502), and the silencing plate B (5021) and the silencing plate A (3071) are arranged in parallel; two groups of silencing plates C (5022) are fixedly arranged in the silencing pipeline B (502), the two groups of silencing plates C (5022) are arranged in parallel, and the silencing plates C (5022) and the silencing plates B (5021) are arranged in a vertical structure; the bottom of the inner side of the silencing pipeline C (503) is fixedly provided with a silencing plate D (5031), the main body of the silencing plate D (5031) is of an L-shaped structure, and the silencing plates D (5031) are arranged in a straight line; the adjusting mechanism (6) comprises: support column (601), cross shaft (602), conical gear A (603), cross plate (604), threaded rod A (605), conical gear B (606), adjusting column (607) and support plate (608); the support columns (601) are fixedly arranged at the top of the fan case (1), and the number of the support columns (601) is two; the outside of the transverse shaft (602) is provided with a bearing in a matched manner, and the bearing is arranged in the support column (601) in a matched manner; a hand wheel is fixedly arranged at the top end of the transverse shaft (602), and the transverse shaft (602) is positioned between two groups of support columns (601); the conical gears A (603) are fixedly arranged outside the transverse shaft (602), and the number of the conical gears A (603) is two; the transverse plate (604) is fixedly arranged in the support column (601); bearings are mounted on the outer sides of the threaded rods A (605) in a matched mode, the bearings are mounted inside the transverse plates (604) in a matched mode, and the number of the threaded rods A (605) is two; the number of the bevel gears B (606) is two, the two groups of the bevel gears B (606) are respectively and fixedly arranged at the bottom ends of the two groups of threaded rods A (605), and the bevel gears B (606) are meshed with the bevel gears A (603); the adjusting column (607) is arranged inside the supporting column (601) in a sliding way, and a threaded rod A (605) is arranged inside the adjusting column (607) in a threaded connection way; the supporting plate (608) is fixedly arranged at the top of the adjusting column (607), and the supporting plate (608) is fixedly arranged at the bottom of the silencing pipeline B (502).
2. A weighing cover silence as claimed in claim 1 wherein: a fixed block (104) is fixedly arranged on the front side of the door plate (102), and a locking hook (106) is fixedly arranged on the outer side of the fixed block (104); the number of the locking hooks (106) and the number of the fixing blocks (104) are two, the two groups of the fixing blocks (104) are symmetrically arranged, and rib plates (105) are fixedly arranged between the outer sides of the fixing blocks (104) and the outer sides of the door plates (102).
3. A weighing cover silence as claimed in claim 2 wherein: the locking device (2) comprises: the device comprises a fixing frame (201), a handle (202), a fixing rod (203), a locking block (204) and a locking ring (205); the fixing frames (201) are fixedly arranged on the outer side of the fan case (1), and the number of the fixing frames (201) is two; the handle (202) is rotatably arranged on the outer side of the fixing frame (201); the fixed rod (203) is fixedly arranged in the handle (202); the locking block (204) is arranged on the outer side of the fixed rod (203) in a sliding manner, and a spring piece is arranged between the outer side of the locking block (204) and the top end of the fixed rod (203); the locking ring (205) is rotatably arranged at the outer side of the locking block (204), and the locking ring (205) is movably connected with the locking hook (106).
4. A weighing cover silence as claimed in claim 1 wherein: the reinforcement device (7) comprises: a threaded rod B (701), a threaded cylinder (702), a vertical plate (703), a shock absorber (704), a reinforcing frame (705) and a connecting gear (706); the threaded rods B (701) are fixedly arranged on the outer side of the fixed plate (504), the number of the threaded rods B (701) is two, and the two groups of the threaded rods B (701) are symmetrically arranged; the thread cylinder (702) is arranged outside the threaded rod B (701) through threaded connection; bearings are arranged in the vertical plates (703) in a matched mode, and the bearings are arranged on the outer sides of the threaded cylinders (702) in a matched mode; the shock absorber (704) is fixedly arranged outside the vertical plate (703); the reinforcing frame (705) is fixedly arranged at the top end of the shock absorber (704); the connecting gears (706) are fixedly arranged on the outer side of the threaded cylinder (702), the number of the connecting gears (706) is two, and the two groups of the connecting gears (706) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211277758.0A CN115559942B (en) | 2022-10-19 | 2022-10-19 | Weighing cover silence section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211277758.0A CN115559942B (en) | 2022-10-19 | 2022-10-19 | Weighing cover silence section |
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| Publication Number | Publication Date |
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| CN115559942A CN115559942A (en) | 2023-01-03 |
| CN115559942B true CN115559942B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211277758.0A Active CN115559942B (en) | 2022-10-19 | 2022-10-19 | Weighing cover silence section |
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| CN215333672U (en) * | 2021-07-22 | 2021-12-28 | 山东正和鼓风机有限公司 | Energy-saving noise-reduction air blower for gas conveying |
| CN215444232U (en) * | 2021-08-30 | 2022-01-07 | 广东顺恒鑫柴油发电机股份有限公司 | Generating set with type that gives sound insulation ventilation system |
| CN217462680U (en) * | 2022-06-14 | 2022-09-20 | 山东省章丘鼓风机股份有限公司 | Novel fan sound insulation room |
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| KR20010003372A (en) * | 1999-06-23 | 2001-01-15 | 김형벽 | Volume Control System At Fan Impeller's Outlet by Throttle Mechanism |
| CN208885585U (en) * | 2018-10-26 | 2019-05-21 | 益鑫能源科技(上海)有限公司 | A kind of air suspension centrifugal blower |
| CN211623836U (en) * | 2020-01-17 | 2020-10-02 | 杭州富阳永星化工有限公司 | Damping type fan noise reduction chamber |
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| CN115559942A (en) | 2023-01-03 |
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