CN114776446B - Mounting structure of asphalt road roller engine protection cover - Google Patents
Mounting structure of asphalt road roller engine protection cover Download PDFInfo
- Publication number
- CN114776446B CN114776446B CN202210314070.9A CN202210314070A CN114776446B CN 114776446 B CN114776446 B CN 114776446B CN 202210314070 A CN202210314070 A CN 202210314070A CN 114776446 B CN114776446 B CN 114776446B
- Authority
- CN
- China
- Prior art keywords
- wall
- road roller
- fixed mounting
- spring
- block
- 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.)
- Active
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 54
- 230000035939 shock Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- 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
- F16F15/04—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 elastic means
- F16F15/06—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 elastic means with metal springs
- F16F15/067—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 elastic means with metal springs using only wound springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to the technical field of engine protection outer covers, and discloses a mounting structure of an engine protection outer cover of an asphalt road roller, which comprises a road machine chassis and a protection outer cover, wherein a damping base is fixedly mounted at the front end of the bottom of the inner wall of the road machine chassis in a bilateral symmetry manner, a connecting block is fixedly mounted on the inner wall of the damping base, an extrusion spring is fixedly mounted at the left end of the outer wall of the connecting block, a transverse extrusion block is fixedly mounted at the front part of the lower end of the outer wall of the protection outer cover, a longitudinal extrusion block is fixedly mounted at the front part of the upper end of the outer wall of the damping base, a fixing frame is fixedly mounted at the left rear part of the upper end of the outer wall of the damping base, a connecting plate is transversely connected in a sliding manner, a first clamping block and a second clamping block are fixedly connected at the right end of the outer wall of the connecting plate, and vibration suffered by the protection outer cover can be buffered by the extrusion spring and the damping spring, so that mechanical damage to the protection outer cover is reduced, and deformation of the protection outer cover is avoided.
Description
Technical Field
The invention relates to the technical field of engine protection covers, in particular to an installation structure of an engine protection cover of an asphalt road roller.
Background
The road roller is also called as a soil compactor, belongs to the category of road equipment in engineering machinery, is widely used for filling compaction operation of large-scale Cheng Xiang purposes such as high-grade highways, railways, airport runways, dams, stadiums and the like, and can crush sandy, semi-viscous and viscous soil, roadbed stabilized soil and asphalt concrete pavement layers. The roller is suitable for various compaction operations under the gravity action of the machine, so that the rolled layer is permanently deformed and compacted, and the roller is divided into two types, namely a steel wheel type and a tire type.
Because the road roller is in use the environment abominable, so need install the protection dustcoat to the engine of road roller, the road roller engine can generate heat in a large number owing to use for a long time, the heat of production can lead to the engine overheated if not in time give off, thereby make engine power decline influence its normal use, and the road roller is in the work progress, because the unevenness on road surface can produce vibrations, traditional road roller protection dustcoat does not have the shock attenuation safeguard measure, the vibrations of production can produce mechanical damage to the protective housing, thereby lead to the protective housing to warp, influence the continuation of shell and the engine can produce a large amount of noise in the use, produce noise pollution, therefore, we propose an asphalt road roller engine protection dustcoat's mounting structure.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a mounting structure of an engine protective cover of an asphalt road roller, which solves the problems that the engine of the road roller generates a large amount of heat when being used for a long time, the generated heat can cause the engine to overheat if not timely emitted, so that the normal use of the engine is influenced by the power reduction of the engine, the traditional road roller protective cover does not have damping protective measures, the generated vibration can cause mechanical damage to the protective cover, thereby causing the deformation of the protective cover and influencing the continuous use of the cover, and the engine can generate a large amount of noise and generate noise pollution in the use process.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the installation structure of the asphalt road roller engine protection outer cover comprises a road roller chassis and a protection outer cover, wherein a damping base is fixedly installed at the front end of the bottom of the inner wall of the road roller chassis in a bilateral symmetry manner, a connecting block is fixedly installed on the inner wall of the damping base, an extrusion spring is fixedly installed at the left end of the outer wall of the connecting block, a transverse extrusion block is fixedly installed at the left end of the outer wall of the extrusion spring, a longitudinal extrusion block is fixedly installed at the front part of the lower end of the outer wall of the protection outer cover, a fixing frame is fixedly installed at the rear of the left side of the upper end of the outer wall of the damping base, a connecting plate is transversely and slidably connected inside the fixing frame, a clamping block I is fixedly connected at the right end of the outer wall of the connecting plate, a limiting spring is fixedly installed at the right end of the inner wall of the fixing frame, the right end of the outer wall of the limiting spring is fixedly connected with the first clamping block, the left end of the outer wall of the fixed frame is fixedly provided with a pull ring, the second clamping block is fixedly arranged below the rear end of the left outer wall of the protective outer cover, the outer walls of the left and right sides of the protective outer cover are fixedly provided with shutters, the outer walls of the left and right sides of the outer wall of the protective outer cover are fixedly provided with cooling fans, the protection dustcoat outer wall upper end middle part fixed mounting has the connecting frame, connecting frame outer wall upper end fixed mounting has the dust screen, connecting frame inside fixed mounting has the acoustic panel that punches a hole, road roller chassis inner wall bottom front end fixed mounting has damping spring, damping spring outer wall upper end fixed mounting has the buffer board, buffer board outer wall upper end with protection dustcoat outer wall lower extreme front portion fixed mounting.
Preferably, a hinge is fixedly arranged at the rear end of the outer wall of the chassis of the road roller, and the hinge is fixedly connected with the rear end of the outer wall of the protective outer cover.
Preferably, the limiting spring drives the first clamping block to press the second clamping block rightwards in a natural state.
Preferably, the wind direction of the cooling fan blows air into the protective outer cover.
Preferably, an opening is formed in the lower end of the outer wall of the connecting frame.
Preferably, the punched sound-absorbing plate has two layers, and punched holes are formed in the punched sound-absorbing plate.
(III) beneficial effects
The invention provides a mounting structure of an engine protective cover of an asphalt road roller, which has the following beneficial effects:
when the anti-vibration device is used, the positions of the protective outer cover can be fixed through the first clamping block and the second clamping block, vibration suffered by the protective outer cover can be buffered through the extrusion spring and the damping spring, and mechanical damage to the protective outer cover is reduced, so that deformation of the protective outer cover is avoided, ventilation in the protective outer cover can be quickened through the louver and the cooling fan, the temperature in the protective outer cover is reduced, noise in the protective outer cover can be absorbed through the punched sound absorbing plate, and noise pollution is reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention at A;
FIG. 3 is a schematic diagram of the structure of the present invention at B;
FIG. 4 is a schematic view of a punched acoustic panel structure according to the present invention;
fig. 5 is a schematic view of the rear structure of the outer wall of the present invention.
In the figure: 100. a chassis of the road roller; 101. a hinge; 110. a shock absorbing base; 120. a connecting block; 130. extruding a spring; 140. transversely extruding the block; 200. a protective outer cover; 210. longitudinally extruding the block; 220. a fixed frame; 230. a connecting plate; 240. a clamping block I; 250. a limit spring; 260. a pull ring; 270. a clamping block II; 300. a shutter; 400. a heat radiation fan; 500. a connection frame; 510. a dust screen; 520. punching the sound-absorbing plate; 600. a damping spring; 610. and a buffer plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, the present invention provides a technical solution: the installation structure of the asphalt pavement roller engine protective outer cover comprises a pavement roller chassis 100 and a protective outer cover 200, wherein a shock absorption base 110 is symmetrically and fixedly installed at the front end of the bottom of the inner wall of the pavement roller chassis 100, a connecting block 120 is fixedly installed on the inner wall of the shock absorption base 110, an extrusion spring 130 is fixedly installed at the left end of the outer wall of the connecting block 120, a transverse extrusion block 140 is fixedly installed at the left end of the outer wall of the extrusion spring 130, the extrusion spring 130 is used for driving the transverse extrusion block 140 to slide leftwards, a longitudinal extrusion block 210 is fixedly installed at the front part of the lower end of the outer wall of the protective outer cover 200, a fixed frame 220 is fixedly installed at the rear left side of the upper end of the outer wall of the shock absorption base 110, a connecting plate 230 is fixedly connected inside the fixed frame 220 in a transverse sliding manner, a clamping block one 240 is fixedly connected at the right end of the outer wall of the connecting plate 230, a limit spring 250 is fixedly connected with the right end of the outer wall of the limit spring 250, the limiting spring 250 is used for extruding the clamping block I240 leftwards, the pull ring 260 is fixedly arranged at the left end of the outer wall of the fixed frame 220, the pull ring 260 is used for driving the clamping block I240 to slide leftwards, the clamping block II 270 is fixedly arranged below the rear end of the outer wall at the left side of the protective housing 200, the limiting spring 250 can drive the clamping block I240 to extrude the clamping block II 270 rightwards so as to limit the position of the protective housing 200, the louver 300 is fixedly arranged at the outer walls at the left side and the right side of the protective housing 200, the louver 300 is used for ventilation so as to radiate heat in the protective housing 200, the radiator fan 400 is fixedly arranged at the outer walls at the left side and the right side of the outer wall of the protective housing 200, the radiator fan 400 is used for accelerating ventilation in the protective housing 200, the connecting frame 500 is fixedly arranged at the middle part of the upper end of the outer wall of the protective housing 200, the dustproof net 510 is fixedly arranged at the upper end of the outer wall of the connecting frame 500, the dustproof net 510 is used for preventing external dust from entering the protective housing 200, the inside fixed mounting of connecting frame 500 has the abatvoix 520 that punches a hole, and the abatvoix 520 that punches a hole can absorb the noise in the protection dustcoat 200, and road roller chassis 100 inner wall bottom front end fixed mounting has damping spring 600, and damping spring 600 outer wall upper end fixed mounting has buffer plate 610, and buffer plate 610 outer wall upper end and the anterior fixed mounting of protection dustcoat 200 outer wall lower extreme, damping spring 600 can cushion the vibrations striking that protection dustcoat 200 received to reduce and produce mechanical damage to protection dustcoat 200.
Further, a hinge 101 is fixedly mounted at the rear end of the outer wall of the chassis 100 of the road roller, and the hinge 101 is fixedly connected with the rear end of the outer wall of the protective housing 200.
Further, the limiting spring 250 drives the first clamping block 240 to press the second clamping block 270 rightward under the natural state, so that the second clamping block 270 is pressed and fixed, thereby limiting the position of the protective housing 200.
Further, the wind direction of the cooling fan 400 blows air into the protective cover 200, so that air enters from the cooling fan 400 and then flows out from the louver 300.
Further, an opening is provided at the lower end of the outer wall of the connection frame 500.
Further, the punched acoustic panel 520 has two layers, and the punched acoustic panel 520 is provided with punched holes 521, and the punched holes 521 are used for increasing the heat dissipation effect in the protective cover 200.
To sum up, the workflow of the invention: when the protective outer cover 200 is rotated downwards, the pull ring 260 is pulled leftwards, the pull ring 260 drives the clamping block I240 to slide leftwards, when the protective outer cover 200 is positioned at the horizontal position, the pull ring 260 is loosened, the limiting spring 250 drives the clamping block I240 to slide rightwards, the position of the extruding clamping block II 270 is limited, the position of the protective outer cover 200 is fixed, the longitudinal extruding block 210 extrudes the transverse extruding block 140 when the protective outer cover 200 is rotated downwards, the extruding spring 130 can generate a leftwards elastic force for the transverse extruding block 140, so that the transverse extruding block 140 can be pushed to move upwards, the longitudinal extruding block 210 has a trend of moving upwards, the vibration of the protective outer cover 200 is reduced, the vibration of the protective outer cover 200 is further reduced by the damping spring 600, the louver 300 is used for air circulation, the heat radiation fan 400 in the protective outer cover 200 is dispersed, the air circulation in the protective outer cover 200 can be quickened, the punching plate 520 arranged at the top of the protective outer cover 200 can absorb noise in the protective outer cover 200, and noise pollution is reduced.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mounting structure of asphalt road roller engine protection dustcoat, includes road roller chassis (100) and protection dustcoat (200), its characterized in that: the utility model discloses a road roller chassis, including road roller chassis (100), including road roller chassis, connecting plate (230), connecting block (240) are installed to the left and right symmetry fixed mounting of road roller chassis (100) inner wall bottom front end, connecting block (120) are installed to shock base (110) inner wall fixed mounting, connecting block (120) outer wall left end fixed mounting has extrusion spring (130), extrusion spring (130) outer wall left end fixed mounting has horizontal extrusion piece (140), protection housing (200) outer wall lower extreme front portion fixed mounting has vertical extrusion piece (210), shock base (110) outer wall upper end left side rear fixed mounting has fixed frame (220), the inside horizontal sliding connection of fixed frame (220) has connecting plate (230), connecting plate (230) outer wall right-hand member fixed connection has fixture block one (240), fixed frame (220) inner wall right-hand member fixed mounting has spacing spring (250), spacing spring (250) outer wall right-hand member with fixture block one (240) fixed connection, fixed frame (220) outer wall left end fixed mounting has pull ring (260), protection housing (200) left side outer wall's rear end below fixed mounting has fixture block two (270), protection housing (200) outer wall upper right side outer wall fixed mounting has two (200) fan (300), the anti-dust device is characterized in that a dust screen (510) is fixedly arranged at the upper end of the outer wall of the connecting frame (500), a punching acoustic board (520) is fixedly arranged in the connecting frame (500), a damping spring (600) is fixedly arranged at the front end of the bottom of the inner wall of the chassis (100) of the road roller, a buffer plate (610) is fixedly arranged at the upper end of the outer wall of the damping spring (600), and the upper end of the outer wall of the buffer plate (610) is fixedly arranged at the front part of the lower end of the outer wall of the protective housing (200).
2. The mounting structure for an asphalt pavement roller engine protective cover of claim 1, wherein: the rear end of the outer wall of the chassis (100) of the road roller is fixedly provided with a hinge (101), and the hinge (101) is fixedly connected with the rear end of the outer wall of the protective outer cover (200).
3. The mounting structure for an asphalt pavement roller engine protective cover of claim 1, wherein: the limiting spring (250) drives the clamping block I (240) to press the clamping block II (270) rightwards in a natural state.
4. The mounting structure for an asphalt pavement roller engine protective cover of claim 1, wherein: the wind direction of the cooling fan (400) blows air into the protective outer cover (200).
5. The mounting structure for an asphalt pavement roller engine protective cover of claim 1, wherein: an opening is arranged at the lower end of the outer wall of the connecting frame (500).
6. The mounting structure for an asphalt pavement roller engine protective cover of claim 1, wherein: the punched sound-absorbing plate (520) is provided with two layers, and punched holes (521) are formed in the punched sound-absorbing plate (520).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314070.9A CN114776446B (en) | 2022-03-28 | 2022-03-28 | Mounting structure of asphalt road roller engine protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314070.9A CN114776446B (en) | 2022-03-28 | 2022-03-28 | Mounting structure of asphalt road roller engine protection cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776446A CN114776446A (en) | 2022-07-22 |
| CN114776446B true CN114776446B (en) | 2024-03-19 |
Family
ID=82426063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210314070.9A Active CN114776446B (en) | 2022-03-28 | 2022-03-28 | Mounting structure of asphalt road roller engine protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776446B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210092628U (en) * | 2019-08-17 | 2020-02-18 | 坤成电气有限公司 | Alternating-current low-voltage power distribution cabinet with shockproof function |
| CN112253540A (en) * | 2020-10-23 | 2021-01-22 | 德清恒鑫电子有限公司 | A shock attenuation dust cover for fan |
| CN213304001U (en) * | 2020-10-21 | 2021-05-28 | 深圳市卓宏电器有限公司 | Small-size anti-vibration relay |
| CN213839411U (en) * | 2020-10-31 | 2021-07-30 | 无锡枢昌电器有限公司 | Machine tool transformer with shock absorption and noise prevention functions |
| WO2022000912A1 (en) * | 2020-07-02 | 2022-01-06 | 苏州金伟博精密机械科技有限公司 | Injection mold with buffering protection function |
| WO2022000900A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光贸易有限公司 | Vacuum pump base convenient to install |
-
2022
- 2022-03-28 CN CN202210314070.9A patent/CN114776446B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210092628U (en) * | 2019-08-17 | 2020-02-18 | 坤成电气有限公司 | Alternating-current low-voltage power distribution cabinet with shockproof function |
| WO2022000912A1 (en) * | 2020-07-02 | 2022-01-06 | 苏州金伟博精密机械科技有限公司 | Injection mold with buffering protection function |
| WO2022000900A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光贸易有限公司 | Vacuum pump base convenient to install |
| CN213304001U (en) * | 2020-10-21 | 2021-05-28 | 深圳市卓宏电器有限公司 | Small-size anti-vibration relay |
| CN112253540A (en) * | 2020-10-23 | 2021-01-22 | 德清恒鑫电子有限公司 | A shock attenuation dust cover for fan |
| CN213839411U (en) * | 2020-10-31 | 2021-07-30 | 无锡枢昌电器有限公司 | Machine tool transformer with shock absorption and noise prevention functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776446A (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114776446B (en) | Mounting structure of asphalt road roller engine protection cover | |
| CN207049252U (en) | A kind of efficiently sound insulation shock-absorption device for building | |
| CN211648412U (en) | Air compressor machine with function of making an uproar falls in giving sound insulation | |
| CN212615645U (en) | Phononic crystal and vibration and noise reduction fan | |
| CN211314366U (en) | Diesel locomotive radiator dust screen | |
| CN212079463U (en) | Paver with noise reduction function | |
| CN215073669U (en) | Data mining device with mobile function and convenient to install | |
| CN206127907U (en) | Novel sound barrier | |
| CN218042232U (en) | Heat dissipation dustproof construction for vehicle-mounted power amplifier | |
| CN219857389U (en) | Small-size mobilizable sewage purification environmental protection carriage | |
| CN219470708U (en) | Municipal landscape noise reduction barrier | |
| CN216384705U (en) | Ice crushing type snow making machine | |
| CN219549138U (en) | Water supply and drainage pump convenient to protect | |
| CN216564168U (en) | Shock attenuation heat radiation structure of switch board | |
| CN205207280U (en) | Spinning workshop noise killer | |
| CN219955158U (en) | Lighting device of road roller | |
| CN213836366U (en) | City view sound barrier with function of making an uproar falls in giving sound insulation | |
| CN219926594U (en) | Air-cooled granulating mechanism based on EVA | |
| CN215991776U (en) | Big data temperature detection maintenance machine case | |
| CN216902241U (en) | Noise reduction device for mechanical equipment | |
| CN215170922U (en) | Fan with noise reduction function | |
| CN212386589U (en) | Front cover assembly of pavement construction paver | |
| CN219912276U (en) | Mobilizable LED screen mounting bracket | |
| CN213933400U (en) | Automobile connector assembly inspection machine | |
| CN217998232U (en) | Heat radiator for bull-dozer |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |