CN109630598B - Generator with good noise reduction performance - Google Patents
Generator with good noise reduction performance Download PDFInfo
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- CN109630598B CN109630598B CN201811334747.5A CN201811334747A CN109630598B CN 109630598 B CN109630598 B CN 109630598B CN 201811334747 A CN201811334747 A CN 201811334747A CN 109630598 B CN109630598 B CN 109630598B
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
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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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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of generators and discloses a generator with good noise reduction performance, which comprises a bottom plate fixedly mounted on an automobile cylinder body and a movable plate fixedly connected to the upper surface of the bottom plate, wherein the upper surface of the movable plate is fixedly connected with two mounting frames, the two mounting frames are fixedly connected with the same generator main body through bolts, the upper surface of the bottom plate and the lower surface of the movable plate are fixedly connected through a plurality of groups of buffer devices with the same structure, each buffer device comprises a buffer cylinder fixedly connected to the upper surface of the bottom plate, a sleeve fixedly connected with the lower surface of the movable plate is movably sleeved on the outer wall of each buffer cylinder, a first through hole is formed in the upper surface of each buffer cylinder, and a movable rod fixedly connected with the movable plate is movably sleeved in. This generator that performance of making an uproar falls can efficient vibration/noise reduction, improves personnel's in the car comfort level of driving, and the position of the generator main part of still being convenient for adjust is conveniently installed the generator main part.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a generator with good noise reduction performance.
Background
Electric energy is one of the most important energy sources in modern society. The generator is a mechanical device for converting other forms of energy into electric energy, which is originally generated in the second industrial revolution period and is manufactured by german engineers siemens 1866, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines to convert energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator has extensive usage in industrial and agricultural production, national defense, science and technology and daily life, and the automobile generator is the main power supply of car, and its function is when the engine normal operating idling above, to all consumer power supplies, charges to the battery simultaneously, guarantees that the electric quantity of car is sufficient, makes each item equipment of car normal operating, and the automobile generator all is installed on the car cylinder body through the fixed bolster usually.
In prior art, because the generator can produce vibrations when work, thereby generator vibrations then can make mount and cylinder body vibrations produce the noise, the noise can lead to the fact the influence to personnel in the car, prior art generator lacks vibration/noise reduction mechanism, can not carry out vibration/noise reduction to the generator, and when installing the generator, the position that needs adjustment generator from time to time makes the bolt hole on the alignment support of mounting hole on the generator, current generator support is inconvenient adjusts the generator.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the generator with good noise reduction performance provided by the invention has the advantages of being capable of efficiently absorbing and reducing noise, improving the driving comfort level of people in a vehicle, being convenient for adjusting the position of the generator main body, being convenient for installing the generator main body and the like, and solves the problems that the generator main body position is not convenient to adjust due to the lack of an absorbing and reducing noise mechanism in the prior art.
(II) technical scheme
In order to realize the purposes of reducing vibration and noise and conveniently adjusting the position of the main body of the generator, the invention provides the following technical scheme:
a generator with good noise reduction performance comprises a bottom plate fixedly mounted on an automobile cylinder body and a movable plate fixedly connected to the upper surface of the bottom plate, wherein the upper surface of the movable plate is fixedly connected with two mounting frames, the two mounting frames are fixedly connected with the same generator main body through bolts, the upper surface of the bottom plate is fixedly connected with the lower surface of the movable plate through a plurality of groups of buffer devices with the same structure, each buffer device comprises a buffer cylinder fixedly connected to the upper surface of the bottom plate, a sleeve fixedly connected with the lower surface of the movable plate is movably sleeved on the outer wall of each buffer cylinder, a first through hole is formed in the upper surface of each buffer cylinder, a movable rod fixedly connected with the movable plate is movably sleeved in each first through hole, the same spring is fixedly connected between the lower surface of the movable plate and the upper surface of each buffer cylinder, and the, the lower end of the moving rod extends into the buffer cylinder and is fixedly connected with a first piston, a same compression spring is fixedly connected between the lower surface of the first piston and the cylinder bottom of the buffer cylinder, a plurality of groups of buffer devices with the same structure and the opposite arrangement are arranged in the first piston, each buffer device comprises a mounting hole formed in the upper surface of the first piston, an installation cylinder is fixedly sleeved in the mounting hole, a first fixed block is fixedly connected to the inner wall of the middle part of the installation cylinder, a second through hole is formed in the surface of the first fixed block, a pressing rod is movably sleeved in the second through hole, a second piston is fixedly sleeved on the rod wall of one end of the pressing rod, a second fixed block is fixedly connected to the inner wall of one end, away from the second piston, of the installation cylinder, a third through hole is formed in the surface of the second fixed block, and a third piston located in the third through hole is fixedly sleeved on the rod wall of one end, away from the, the utility model discloses a movable mounting device for a piston rod, including first piston, second piston, buffer spring, buffer cylinder, first fixed block, the same buffer spring of fixedly connected with between the lateral wall of second piston one side and the lateral wall of third piston are kept away from to first fixed block, buffer spring movable sleeve is established outside the depression bar, hydraulic oil is equipped with in the buffer cylinder, the upper surface symmetry of movable plate is fixed and is equipped with two supplementary installation device.
Preferably, supplementary installation device includes the fixed block of fixed mounting at the movable plate upper surface, the upper surface of fixed block is the arc, the upper surface sliding connection of fixed block has the arc, the lower fixed surface of arc is connected with T type slide rail, the T type spout corresponding with T type slide rail has been seted up to the upper surface of fixed block, the spacing fixture block of one side lateral wall fixedly connected with L type of fixed block.
Preferably, the outer wall of the buffer cylinder is symmetrically and fixedly connected with two limiting sliding blocks, and the inner wall of the sleeve is provided with a limiting sliding groove matched with the limiting sliding blocks.
Preferably, a plurality of balls are connected in the T-shaped sliding groove in a rolling manner, and the balls are connected with the T-shaped sliding rail in a rolling manner.
Preferably, a rubber pad is fixedly connected between the lower end of the generator main body and the upper surface of the moving plate.
Preferably, the first through hole and the second through hole are internally provided with sealing rings.
Preferably, a plurality of orifices are formed in the upper surface of the first fixing block.
(III) advantageous effects
Compared with the prior art, the invention provides the generator with good noise reduction performance, which has the following beneficial effects:
1. the generator with good noise reduction performance comprises a bottom plate, a movable plate, a mounting frame, a buffer cylinder, a sleeve, a movable rod, a spring, a first piston, a compression spring, a mounting cylinder, a first fixed block, a pressure rod, a second piston, a second fixed block, a third piston and a buffer spring, wherein when the generator generates vibration, the motor vibration drives the movable plate to vibrate, the movable plate downwards extrudes the spring, the spring is extruded to perform primary vibration and noise reduction, after the vibration is subjected to primary vibration and noise reduction by the spring, the reduced vibration is continuously transmitted downwards, the first piston downwards moves, the compression spring is extruded by the first piston to perform secondary vibration and noise reduction, the weakened vibration is continuously transmitted downwards, the first piston downwards extrudes hydraulic oil, the third piston is made to exit from a third through hole by the hydraulic oil, the pressure rod drives the second piston to exit from the mounting cylinder, and the hydraulic oil generates larger damping to achieve, the hydraulic oil that flows into first piston upside flows back through reverse buffer that sets up, forms the circulation, and liquid shock attenuation is flexible shock attenuation, and vibration/noise reduction's effect is better, and this device has improved the vibration/noise reduction effect of generator through multistage vibration/noise reduction.
2. This generator that performance of making an uproar falls, fixed block through setting up, the spacing fixture block of L type, arc and ball, during the installation generator main part, place on the arc behind the spacing fixture block of L type with generator main part alignment, rotate generator main part adjustment position, make the bolt hole on the mounting bracket of mounting hole alignment in the generator main part, arc and fixed block are sliding connection and have the ball to assist the slip, rotation generator main part that can relax adjusts the position, the convenience is installed generator main part.
Drawings
FIG. 1 is a schematic structural diagram of a generator with good noise reduction performance according to the present invention;
FIG. 2 is a schematic structural diagram of a portion A of a generator with good noise reduction performance according to the present invention;
FIG. 3 is a schematic structural diagram of a portion B of a generator with good noise reduction performance according to the present invention;
FIG. 4 is a side view of a generator with good noise reduction performance according to the present invention
In the figure: the device comprises a base plate 1, a moving plate 2, a mounting frame 3, a buffer cylinder 4, a sleeve 5, a moving rod 6, a spring 7, a first piston 8, a compression spring 9, an installation cylinder 10, a first fixing block 11, a compression rod 12, a second piston 13, a second fixing block 14, a third piston 15, a buffer spring 16, a fixing block 17, an arc plate 18 and balls 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a generator with good noise reduction performance comprises a bottom plate 1 fixedly installed on an automobile cylinder body and a movable plate 2 fixedly connected to the upper surface of the bottom plate 1, wherein the upper surface of the movable plate 2 is fixedly connected with two mounting frames 3, the two mounting frames 3 are different in size, one is higher and the other is lower, and the highest point is not on a uniform horizontal line when the two mounting frames 3 are installed, so that the generator can be obliquely installed to improve the stability, the two mounting frames 3 are fixedly connected with a same generator main body through bolts, mounting holes are formed in the upper parts of the two mounting frames 3, two extension plates corresponding to the mounting frames 3 are arranged on a shell of the generator main body, mounting holes are formed in the extension plates, the positions of the generator are constantly adjusted during installation, the mounting holes in the extension plates are aligned with the mounting holes in the mounting frames 3, and, the method is characterized in that: the upper surface of the bottom plate 1 is fixedly connected with the lower surface of the movable plate 2 through a plurality of groups of buffer devices with the same structure, each buffer device comprises a buffer cylinder 4 fixedly connected with the upper surface of the bottom plate 1, a sleeve 5 fixedly connected with the lower surface of the movable plate 2 is movably sleeved on the outer wall of each buffer cylinder 4, a first through hole is formed in the upper surface of each buffer cylinder 4, a moving rod 6 fixedly connected with the movable plate 2 is movably sleeved in each first through hole, the same spring 7 is fixedly connected between the lower surface of the movable plate 2 and the upper surface of each buffer cylinder 4, the spring 7 is movably sleeved outside the moving rod 6, the lower end of the moving rod 6 extends into the buffer cylinder 4 and is fixedly connected with a first piston 8, the same compression spring 9 is fixedly connected between the lower surface of the first piston 8 and the cylinder bottom of the buffer cylinder 4, and a plurality of groups of buffer devices with the same structure, the buffer devices are reversely mounted, hydraulic oil flowing upwards through the throttling hole can be ensured to flow back to form circulation, and the buffer devices can be ensured to be recycled, each buffer device comprises a mounting hole formed in the upper surface of the corresponding first piston 8, a mounting cylinder 10 is fixedly sleeved in the mounting hole, a first fixing block 11 is fixedly connected to the inner wall of the middle part of the mounting cylinder 10, a second through hole is formed in the surface of the first fixing block 11, a pressing rod 12 is movably sleeved in the second through hole, a second piston 13 is fixedly sleeved on the rod wall of one end of the pressing rod 12, a second fixing block 14 is fixedly connected to the inner wall of one end, far away from the second piston 13, of the mounting cylinder 10, a third through hole is formed in the surface of the second fixing block 14, a third piston 15 located in the third through hole is fixedly sleeved on the rod wall of one end, far away from the second piston 13, of the pressing rod 12, and a same buffer spring 16 is fixedly connected between the side wall of one side, the buffer spring 16 is movably sleeved outside the pressure lever 12, hydraulic oil is filled in the buffer cylinder 4, two auxiliary mounting devices are symmetrically and fixedly arranged on the upper surface of the movable plate 2, when the generator body vibrates, the generator body vibrates to drive the movable plate 2 to vibrate, the movable plate 2 downwards extrudes the spring 7, the spring 7 is extruded to perform primary vibration and noise reduction, the vibration is transmitted downwards continuously after the primary vibration and noise reduction of the spring 7, the first piston 8 moves downwards, the first piston 8 extrudes the compression spring 9 to perform secondary vibration and noise reduction, the weakened vibration is transmitted downwards continuously, the first piston 8 extrudes the hydraulic oil downwards, the hydraulic oil enables the third piston 15 to exit from the third through hole, the pressure lever 12 drives the second piston 13 to exit from the mounting cylinder 10, the hydraulic oil generates larger damping when passing through the throttling hole to achieve the effect of buffering and damping, and the hydraulic oil flowing into the upper side of the first piston 8 flows back through the, the circulation is formed, the liquid shock absorption is flexible shock absorption, the shock absorption and noise reduction effect is better, and the shock absorption and noise reduction effect of the generator is improved through multi-stage shock absorption and noise reduction.
The auxiliary mounting device comprises a fixed block 17 fixedly mounted on the upper surface of the moving plate 2, the upper surface of the fixed block 17 is arc-shaped, the upper surface of the fixed block 17 is connected with an arc-shaped plate 18 in a sliding manner, the lower surface of the arc-shaped plate 18 is fixedly connected with a T-shaped sliding rail, the upper surface of the fixed block 17 is provided with a T-shaped sliding groove corresponding to the T-shaped sliding rail, the side wall of one side of the fixed block 17 is fixedly connected with an L-shaped limiting clamping block, the L-shaped limiting clamping block can be convenient for positioning the, the generator main body is aligned with the L-shaped limiting clamping block and then placed on the arc-shaped plate 18, the generator main body is rotated to adjust the direction, the mounting hole on the generator main body is aligned with the bolt hole on the mounting frame 3, the arc-shaped plate 18 and the fixing block 17 are in sliding connection and are assisted to slide by the balls 19, the position can be easily adjusted by rotating the generator main body, and the generator main body is convenient to install.
Two limit slide blocks of outer wall symmetry fixedly connected with of buffer cylinder 4, the inner wall of sleeve 5 set up with limit slide block assorted limit slide groove, through the cooperation of limit slide block and limit slide groove, prevent that buffer cylinder 4 from breaking away from sleeve 5.
Roll in the T type spout and be connected with a plurality of balls 19, ball 19 and T type slide rail roll connection reduce the frictional force of generator main part and fixed block 17 through ball 19, make sliding friction become rolling friction, the position of removal generator main part that can be more relaxed.
The rubber pad is fixedly connected between the lower end of the generator main body and the upper surface of the movable plate 2, is made of soft materials, can protect the generator main body to a certain extent, and avoids direct contact between the generator main body and the movable plate 2, so that noise is prevented from being generated when the generator main body is in vibration contact with the movable plate.
All be equipped with the sealing washer in first through-hole and the second through-hole, sealing washer and first through-hole and second through-hole fixed connection prevent that hydraulic oil from directly flowing in the first through-hole, cause hydraulic oil to leak, influence noise reduction effect, prevent that hydraulic oil from directly flowing through from the second through-hole, rather than flowing through from the orifice, when hydraulic oil directly flows through from the second through-hole, hydraulic buffer just loses the effect, noise reduction effect greatly reduced.
A plurality of throttling holes are formed in the upper surface of the first fixing block 11, each throttling hole is a hole with a very small diameter, and when hydraulic oil passes through the throttling hole, the flow beam can become small or thin, so that the pressure of the hydraulic oil is reduced, and the damping is increased, and the buffering effect is achieved.
In conclusion, when the generator with good noise reduction performance is used, when the generator body generates vibration, the generator body vibrates to drive the movable plate 2 to vibrate, the movable plate 2 downwards extrudes the spring 7, the spring 7 is extruded to perform primary vibration and noise reduction, the vibration is subjected to primary vibration and noise reduction through the spring 7, the reduced vibration is continuously transmitted downwards, the first piston 8 downwards moves, the first piston 8 extrudes the compression spring 9 to perform secondary vibration and noise reduction, the weakened vibration is continuously transmitted downwards, the first piston 8 downwards extrudes hydraulic oil, the hydraulic oil enables the third piston 15 to exit from the third through hole, the pressure rod 12 drives the second piston 13 to exit from the mounting cylinder 10, the hydraulic oil generates large damping when passing through the throttling hole to achieve the effect of buffering and vibration reduction, the hydraulic oil flowing into the upper side of the first piston 8 flows back through the reversely arranged buffering device to form circulation, the liquid vibration reduction is flexible vibration reduction, vibration/noise reduction's effect is better, this device is through multistage vibration/noise reduction, the vibration/noise reduction effect of generator has been improved, when installing the generator main part, place on arc 18 behind the spacing fixture block of L type with the generator main part alignment, rotate generator main part adjustment position, make the bolt hole on the mounting bracket 3 of mounting hole alignment in the generator main part, arc 18 and fixed block 17 are sliding connection and have ball 19 supplementary slip, the position is adjusted to the rotation generator main part that can relax, the convenience is installed the generator main part.
Claims (5)
1. The generator with good noise reduction performance comprises a bottom plate (1) fixedly mounted on an automobile cylinder body and a movable plate (2) fixedly connected to the upper surface of the bottom plate (1), wherein the upper surface of the movable plate (2) is fixedly connected with two mounting frames (3), the two mounting frames (3) are fixedly connected with the same generator main body through bolts, the upper surface of the bottom plate (1) is fixedly connected with the lower surface of the movable plate (2) through a plurality of groups of buffer devices with the same structure, each buffer device comprises a buffer cylinder (4) fixedly connected to the upper surface of the bottom plate (1), a sleeve (5) fixedly connected with the lower surface of the movable plate (2) is movably sleeved on the outer wall of the buffer cylinder (4), a first through hole is formed in the upper surface of the buffer cylinder (4), and a movable rod (6) fixedly connected with the movable plate (2) is movably sleeved in the first through hole, the lower surface of the movable plate (2) and the upper surface of the buffer cylinder (4) are fixedly connected with a same spring (7), the spring (7) is movably sleeved outside the movable rod (6), the lower end of the movable rod (6) extends into the buffer cylinder (4) and is fixedly connected with a first piston (8), a same compression spring (9) is fixedly connected between the lower surface of the first piston (8) and the bottom of the buffer cylinder (4), a plurality of groups of buffering devices with the same structure and the opposite arrangement are arranged in the first piston (8), each buffering device comprises a mounting hole formed in the upper surface of the first piston (8), an installation cylinder (10) is fixedly sleeved in the mounting hole, a first fixing block (11) is fixedly connected to the inner wall of the middle part of the installation cylinder (10), and a second through hole is formed in the surface of the first fixing block (11), a pressure lever (12) is movably sleeved in the second through hole, a second piston (13) is fixedly sleeved on the rod wall at one end of the pressure lever (12), the inner wall of one end of the mounting cylinder (10) far away from the second piston (13) is fixedly connected with a second fixed block (14), a third through hole is formed in the surface of the second fixing block (14), a third piston (15) positioned in the third through hole is fixedly sleeved on the rod wall of one end of the pressure rod (12) far away from the second piston (13), the side wall of the first fixed block (11) far away from the side of the second piston (13) and the side wall of the third piston (15) are fixedly connected with the same buffer spring (16), the buffer spring (16) is movably sleeved outside the pressure lever (12), the buffer cylinder (4) is filled with hydraulic oil, two auxiliary mounting devices are symmetrically and fixedly arranged on the upper surface of the moving plate (2);
the method is characterized in that:
the auxiliary mounting device comprises a fixed block (17) fixedly mounted on the upper surface of the moving plate (2), the upper surface of the fixed block (17) is arc-shaped, the upper surface of the fixed block (17) is connected with an arc-shaped plate (18) in a sliding mode, the lower surface of the arc-shaped plate (18) is fixedly connected with a T-shaped sliding rail, the upper surface of the fixed block (17) is provided with a T-shaped sliding groove corresponding to the T-shaped sliding rail, and the side wall of one side of the fixed block (17) is fixedly connected with an L-shaped limiting clamping block;
a plurality of balls (19) are connected in the T-shaped sliding groove in a rolling mode, and the balls (19) are connected with the T-shaped sliding rail in a rolling mode.
2. The generator of claim 1, wherein the generator has a good noise reduction performance, and the generator further comprises: the outer wall of the buffer cylinder (4) is symmetrically and fixedly connected with two limiting sliding blocks, and the inner wall of the sleeve (5) is provided with a limiting sliding groove matched with the limiting sliding blocks.
3. The generator of claim 1, wherein the generator has a good noise reduction performance, and the generator further comprises: a rubber pad is fixedly connected between the lower end of the generator main body and the upper surface of the moving plate (2).
4. The generator of claim 1, wherein the generator has a good noise reduction performance, and the generator further comprises: and sealing rings are arranged in the first through hole and the second through hole.
5. The generator of claim 1, wherein the generator has a good noise reduction performance, and the generator further comprises: and a plurality of throttling holes are formed in the upper surface of the first fixing block (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811334747.5A CN109630598B (en) | 2018-11-10 | 2018-11-10 | Generator with good noise reduction performance |
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| CN201811334747.5A CN109630598B (en) | 2018-11-10 | 2018-11-10 | Generator with good noise reduction performance |
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| CN109630598A CN109630598A (en) | 2019-04-16 |
| CN109630598B true CN109630598B (en) | 2020-09-18 |
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| CN110445286B (en) * | 2019-08-22 | 2024-05-31 | 神华（福建）能源有限责任公司 | Stand of steam turbine generator |
| CN110812067B (en) * | 2019-11-20 | 2020-08-25 | 吉林大学 | Medical supplementary rack of changing dressings |
| CN113884092B (en) * | 2021-08-26 | 2024-02-27 | 江苏安航船舶设备有限公司 | Optical fiber compass combined inertial navigation device |
| CN114825733B (en) * | 2022-04-27 | 2023-04-28 | 德州恒力电机有限责任公司 | Vehicle-mounted hybrid excitation claw pole generator |
| US12027951B1 (en) * | 2023-12-28 | 2024-07-02 | Huaxiang (Shenzhen) High-Tech Service Co., Ltd. | Strong magnetic power generation on-board power device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05219682A (en) * | 1992-02-04 | 1993-08-27 | Toshiba Corp | Vibration isolator of rotating electric machine |
| CN203984120U (en) * | 2014-07-24 | 2014-12-03 | 东风汽车股份有限公司 | Generator support |
| CN206112273U (en) * | 2016-08-31 | 2017-04-19 | 安徽零点精密机械有限责任公司 | Pipeline package fixing device |
| CN106549530B (en) * | 2016-11-11 | 2018-10-09 | 合肥德通电驱动系统有限公司 | A kind of motor damping device |
| CN206636981U (en) * | 2017-03-10 | 2017-11-14 | 中铁二十四局集团浙江工程有限公司 | A kind of small generator damped noise reduction device |
| CN206889181U (en) * | 2017-06-06 | 2018-01-16 | 阿拉善盟创客科技有限公司 | A kind of vertical wind power generator installs damping base |
| CN207743798U (en) * | 2017-12-05 | 2018-08-17 | 贵州大工新能源科技有限公司 | A kind of aluminum-shell motor of detachable movable bottom leg |
| CN108751007A (en) * | 2018-06-27 | 2018-11-06 | 安徽博流体传动股份有限公司 | A kind of novel pneumatic light lifter |
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Effective date of registration: 20230412 Address after: Building 8, No. 1515 Fengnan East Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee after: TAIZHOU JIAOJIANG BISON MACHINERY CO.,LTD. Address before: 322100 No.2, building 15, Dongfu community, houtang community, Jiangbei street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Dongyang Weichuang industrial product design Co.,Ltd. |