CN207814324U - A kind of noise insulation equipment damping - Google Patents
A kind of noise insulation equipment damping Download PDFInfo
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- CN207814324U CN207814324U CN201721902215.8U CN201721902215U CN207814324U CN 207814324 U CN207814324 U CN 207814324U CN 201721902215 U CN201721902215 U CN 201721902215U CN 207814324 U CN207814324 U CN 207814324U
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- slide bar
- groove
- sliding
- fixed bin
- spring
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Abstract
The utility model discloses a kind of noise insulation equipment dampings, including the first fixed bin, the top of first fixed bin is equipped with opening, and first is slidably fitted with the second fixed bin on fixed bin, the bottom of second fixed bin is equipped with opening, and second fixed bin cover the first fixed bin opening, it is installed with sound panel at the top of second fixed bin, and second fixed bin top inner wall on be welded with two the first slide bars, the second slide bar is slidably fitted on first slide bar, the top of second slide bar offers the first groove, first sliding bar is mounted in corresponding first groove, and first the bottom end of slide bar offer the second groove.The utility model is simple in structure, easy to operate, by the first spring and the 4th spring with level-one damping is combined into, forms two level damping by second spring and third spring, improves damping effect, can effectively reduce the noise that sound panel vibrations generate.
Description
Technical field
The utility model is related to noise insulation equipment technical field more particularly to a kind of noise insulation equipment dampings.
Background technology
Noise pollution is acknowledged as being only second to atmosphere pollution and the third-largest pollution of water pollution, gives daily life
Many inconvenience influences the health of people, therefore noise insulation equipment is widely used, existing noise insulation equipment generally using every
Soundboard is spliced, and has certain soundproof effect, when the main body for needing to carry out sound insulation processing is mechanical equipment, mechanical equipment
It will produce vibration when operation, to drive the vibrations of entire external noise insulation equipment and generate noise, through retrieval, Authorization Notice No. is
CN205173355U discloses a kind of damper for noise insulation equipment, including pressing plate and bottom plate, the pressing plate and bottom plate it
Between be equipped with spring vibration-damping component and hydraulic shock-absorption component；The spring vibration-damping component includes spring pedestal, guide groove, spring and peace
Fill bolt one；The hydraulic shock-absorption component is by fluid head and hydraulic base；The hydraulic base is fixed on the center of bottom plate
The upper end of position, the fluid head is connected by sound insulation fixed block with the installation bolt two across pressing plate.The utility model carries
The damper of confession has shock resistance strong, especially water resistant redress to impact property it is strong, reliability is high, and intensity is good, vibration damping
The good advantage of soundproof effect, but the design of its damping is relatively simple, an only simple damping cannot carry out secondary subtract
Shake, damping effect is poor, causes sound panel poor to the isolation effect of noise, thus it is proposed that a kind of noise insulation equipment damping machine
Structure is solved the above problems with this.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of noise insulation equipment proposed is used
Damping.
To achieve the goals above, the utility model uses following technical solution：
The top of a kind of noise insulation equipment damping, including the first fixed bin, first fixed bin is equipped with opening, and
It is slidably fitted with the second fixed bin on first fixed bin, the bottom of the second fixed bin is equipped with opening, and the second fixed bin covering the
The opening of one fixed bin is installed with sound panel at the top of the second fixed bin, and is welded in the top inner wall of the second fixed bin
There are two the first slide bar, it being slidably fitted with the second slide bar on the first slide bar, the top of the second slide bar offers the first groove, and first
Sliding bar is mounted in corresponding first groove, and the bottom end of the first slide bar offers the second groove, is slided in the second groove
Third slide bar is installed, the bottom end of third slide bar extends in corresponding first groove and is welded on the bottom interior wall of the first groove
On, sliding sleeve is equipped with the first spring on third slide bar, and the top and bottom end of the first spring are respectively welded at the bottom end of the first slide bar
In the bottom interior wall of the first groove, the bottom end of the second slide bar is hinged there are two first support bar, and two first support bars are mutual
Separate one end is respectively articulated with there are two the first sliding block, and the bottom of the first sliding block and the bottom interior wall sliding of the first fixed bin connect
It connects, the first sliding groove is offered in the bottom interior wall of the first fixed bin, be slidably installed in the first sliding groove there are four the second sliding block, four
It is respectively welded at the bottom of corresponding first sliding block at the top of second sliding block, the 4th is welded in the top inner wall of the second fixed bin
Slide bar, the 4th slide bar is in the centre position of two the first slide bars, and sliding sleeve is equipped with third sliding block on the 4th slide bar, and third is slided
First through hole is offered on block, the 4th sliding bar is mounted in first through hole, and sliding sleeve is equipped with the second bullet on the 4th slide bar
Spring, the top and bottom end of second spring are respectively welded in the top inner wall of the second fixed bin and the top of third sliding block, third
The both sides of sliding block are hinged with second support bar, and one end that two supporting rods are located remotely from each other is respectively hinged at close to the 4th slide bar
The top of two the first sliding blocks.
Preferably, be slidably installed in the first sliding groove there are two third spring, two third springs be located remotely from each other one
End is respectively welded on the both sides inner wall of the first sliding groove, and two third spring one end close to each other are respectively welded at far from the
The side that two the second sliding blocks of four slide bars are located remotely from each other.
Preferably, same 5th slide bar, four the second sliding blocks are installed on the both sides inner wall of the first sliding groove
On offer the second through-hole, the inner wall of four the second through-holes is connect with the 5th sliding bar.
Preferably, second sliding slot is offered on the both sides inner wall of first groove, is slided in two second sliding slots
Four-slider is installed, two Four-slider one end close to each other all extend in corresponding first groove and are welded on first
On slide bar.
Preferably, third sliding slot is offered on the both sides inner wall of second groove, is slided in two third sliding slots
5th sliding block is installed, two the 5th sliding block one end close to each other all extend in the second groove and are welded on third slide bar
On.
Preferably, the 4th spring is slidably fitted in second groove, the top and bottom end of the 4th spring are respectively welded
In the top inner wall of the second groove and the top of third slide bar.
Compared with prior art, the utility model has the beneficial effects that：
（1）, pass through sound panel, the second fixed bin, the first slide bar, the 4th slide bar, the first groove, third slide bar, second recessed
Slot, the first spring and the 4th spring match, and when sound panel is shaken, sound panel drives the second fixed bin to carry out shake up and down
Dynamic, the second fixed bin drives two the first slide bars and the 4th slide bar to be carried out at the same time vertical tremor, and the first slide bar is driven at this time
It is slided up and down in corresponding first groove so that third slide bar slides up and down in corresponding second groove so that
First spring and the 4th spring are compressed simultaneously or stretch and provide level-one damping；
（2）, pass through the first spring, the second slide bar, first support bar, the first sliding block, the 4th slide bar, second spring, first
Fixed bin, the second sliding block, the first sliding groove, third spring, first through hole and third sliding block match, and the first spring drives corresponding
Second slide bar carry out vertical tremor so that two first support bars be driven rotation and it is close to each other or separate, two first
Strut drives two the first sliding blocks close to each other or separate in the inner wall top slide of the first fixed bin respectively so that two separate
Second sliding block of the 4th slide bar be driven slided in the first sliding groove it is close to each other or separate so that two third springs are stretched
Or compression, while two the first sliding blocks close to the 4th Hua Ang drive corresponding second support bar rotation to be located remotely from each other or lean on respectively
Closely and third sliding block is driven to be slided up and down on the 4th slide bar so that second spring is compressed or stretched, and the 4th is slided at this time
Bar slides in first through hole, and second spring and third spring provide two level damping to total.
The utility model is simple in structure, easy to operate, by the first spring and the 4th spring with level-one damping is combined into, leads to
Second spring and the composition two level damping of third spring are crossed, damping effect is improved, can effectively reduce what sound panel vibrations generated
Noise.
Description of the drawings
Fig. 1 be the utility model proposes a kind of noise insulation equipment damping structural schematic diagram；
Fig. 2 be the utility model proposes a kind of noise insulation equipment damping part A structural schematic diagram.
In figure：1 first fixed bin, 2 second fixed bins, 3 sound panels, 4 first slide bars, 5 second slide bars, 6 first grooves, 7
Second groove, 8 third slide bars, 9 first springs, 10 first support bars, 11 first sliding blocks, 12 the first sliding grooves, 13 second sliding blocks, 14
Second support bar, 15 third sliding blocks, 16 first through hole, 17 the 4th slide bars, 18 second springs, 19 third springs.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of noise insulation equipment damping, including the first fixed bin 1, the top of the first fixed bin 1 are set
There is opening, and be slidably fitted with the second fixed bin 2 on the first fixed bin 1, the bottom of the second fixed bin 2 is equipped with opening, and second
Fixed bin 2 covers the opening of the first fixed bin 1, and the top of the second fixed bin 2 is installed with sound panel 3, and the second fixed bin 2
Top inner wall on be welded with two the first slide bars 4, the second slide bar 5, the top of the second slide bar 5 are slidably fitted on the first slide bar 4
End offers the first groove 6, and the first slide bar 4 is slidably mounted in corresponding first groove 6, and the bottom end of the first slide bar 4 opens up
There is the second groove 7, be slidably fitted with third slide bar 8 in the second groove 7, it is recessed that the bottom end of third slide bar 8 extends to corresponding first
It in slot 6 and is welded in the bottom interior wall of the first groove 6, sliding sleeve is equipped with the first spring 9 on third slide bar 8, the first spring 9
Top and bottom end are respectively welded on the bottom end of the first slide bar 4 and the bottom interior wall of the first groove 6, the bottom end hinge of the second slide bar 5
It connecing there are two first support bar 10, one end that two first support bars 10 are located remotely from each other is respectively articulated with there are two the first sliding block 11,
The bottom of first sliding block 11 and the bottom interior wall of the first fixed bin 1 are slidably connected, and are offered in the bottom interior wall of the first fixed bin 1
The first sliding groove 12, being slidably installed in the first sliding groove 12, there are four the second sliding blocks 13, and the top of four the second sliding blocks 13 is respectively welded
The 4th slide bar 17 is welded on the bottom of corresponding first sliding block 11, the top inner wall of the second fixed bin 2, at the 4th slide bar 17
In the centre position of two the first slide bars 4, and sliding sleeve is equipped with third sliding block 15 on the 4th slide bar 17, is opened up on third sliding block 15
There are first through hole 16, the 4th slide bar 17 to be slidably mounted in first through hole 16, and sliding sleeve is equipped with the second bullet on the 4th slide bar 17
Spring 18, the top and bottom end of second spring 18 are respectively welded in the top inner wall of the second fixed bin 2 and the top of third sliding block 15
The both sides in portion, third sliding block 15 are hinged with second support bar 14, and one end that two supporting rods 14 are located remotely from each other is respectively hinged at
Close to the top of two the first sliding blocks 11 of the 4th slide bar 17, slided by sound panel 3, the second fixed bin 2, the first slide bar the 4, the 4th
Bar 17, the first groove 6, third slide bar 8, the second groove 7, the first spring 9 and the 4th spring match, when sound panel 3 is shaken
When, sound panel 3 drives the second fixed bin 2 to carry out vertical tremor, and the second fixed bin 2 drives two the first slide bars 4 and the 4th slide bar
17 are carried out at the same time vertical tremor, and the first slide bar 4 is driven at this time slides up and down in corresponding first groove 6 so that the
Three slide bars 8 slide up and down in corresponding second groove 7 so that the first spring 9 and the 4th spring are compressed or drawn simultaneously
It stretches and level-one damping is provided；By the first spring 9, the second slide bar 5, first support bar 10, the first sliding block 11, the 4th slide bar 17,
Second spring 18, the first fixed bin 1, the second sliding block 13, the first sliding groove 12, third spring 19, first through hole 16 and third sliding block
15 match, and the first spring 9 drives corresponding second slide bar 5 to carry out vertical tremor so that two first support bars 10 are driven
It rotates and close to each other or separate, two first support bars 10 drive two the first sliding blocks 11 in the first fixed bin 1 respectively
Wall top slide is close to each other or separate so that two the second sliding blocks 13 far from the 4th slide bar 17 are driven in the first sliding groove 12
Interior sliding is close to each other or separate so that two third springs 19 are stretched or compressed, while two are held high 17 close to the 4th China
First sliding block 11 drives the rotation of corresponding second support bar 14 to be located remotely from each other or close and drive third sliding block 15 the 4th respectively
It is slided up and down on slide bar 17 so that second spring 18 is compressed or stretched, and the 4th slide bar 17 is in first through hole 16 at this time
Sliding, second spring 18 and third spring 19 provide two level damping to total, and the utility model is simple in structure, operation side
Just, two level is formed by second spring 18 and third spring 19 with level-one damping is combined by the first spring 9 and the 4th spring
Damping improves damping effect, can effectively reduce the noise that sound panel vibrations generate.
In the utility model, it is slidably installed in the first sliding groove 12 there are two third spring 19, two third springs 19 are mutual
Separate one end is respectively welded on the both sides inner wall of the first sliding groove 12, and one end difference that two third springs 19 are close to each other
It is welded on the side that two the second sliding blocks 13 far from the 4th slide bar 17 are located remotely from each other, is fixed on the both sides inner wall of the first sliding groove 12
Same 5th slide bar is installed, offers the second through-hole on four the second sliding blocks 13, the inner walls of four the second through-holes with
5th sliding bar connects, and second sliding slot is offered on the both sides inner wall of the first groove 6, peace is slided in two second sliding slots
Equipped with Four-slider, two Four-slider one end close to each other all extend in corresponding first groove 6 and are welded on first
On slide bar 4, third sliding slot is offered on the both sides inner wall of the second groove 7, the 5th is slidably fitted in two third sliding slots
Sliding block, two the 5th sliding block one end close to each other all extend in the second groove 7 and are welded on third slide bar 8, and second is recessed
Be slidably fitted with the 4th spring in slot 7, the top and bottom end of the 4th spring be respectively welded in the top inner wall of the second groove 7 and
The top of third slide bar 8 is slided by sound panel 3, the second fixed bin 2, the first slide bar 4, the 4th slide bar 17, the first groove 6, third
Bar 8, the second groove 7, the first spring 9 and the 4th spring match, and when sound panel 3 is shaken, sound panel 3 drives second to fix
Box 2 carries out vertical tremor, and the second fixed bin 2 drives two the first slide bars 4 and the 4th slide bar 17 to be carried out at the same time vertical tremor, at this time
First slide bar 4 is driven to be slided up and down in corresponding first groove 6 so that third slide bar 8 is in corresponding second groove 7
It inside slides up and down so that the first spring 9 and the 4th spring are compressed simultaneously or stretch and provide level-one damping；Pass through first
Spring 9, the second slide bar 5, first support bar 10, the first sliding block 11, the 4th slide bar 17, second spring 18, the first fixed bin 1,
Two sliding blocks 13, the first sliding groove 12, third spring 19, first through hole 16 and third sliding block 15 match, and the first spring 9, which drives, to be corresponded to
The second slide bar 5 carry out vertical tremor so that two first support bars 10 are driven rotation and close to each other or separate, two the
One supporting rod 10 drives two the first sliding blocks 11 close to each other or separate in the inner wall top slide of the first fixed bin 1 respectively, makes
Two the second sliding blocks 13 far from the 4th slide bars 17 to be driven the sliding in the first sliding groove 12 close to each other or separate so that two
A third spring 19 is stretched or compressed, while two the first sliding blocks 11 close to the 4th China high 17 drive corresponding second respectively
The rotation of supporting rod 14 is located remotely from each other or close and third sliding block 15 is driven to be slided up and down on the 4th slide bar 17 so that second
Spring 18 is compressed or is stretched, at this time the sliding in first through hole 16 of the 4th slide bar 17, and second spring 18 and third spring 19 are given
Total provides two level damping, and the utility model is simple in structure, easy to operate, is coordinated by the first spring 9 and the 4th spring
Level-one damping is formed, two level damping is formed by second spring 18 and third spring 19, damping effect is improved, can effectively subtract
The noise that few sound panel vibrations generate.
Operation principle：When sound panel 3 is shaken, sound panel 3 drives the second fixed bin 2 to carry out vertical tremor, and second is solid
Determining box 2 drives two the first slide bars 4 and the 4th slide bar 17 to be carried out at the same time vertical tremor, and the first slide bar 4 is driven in correspondence at this time
The first groove 6 in slide up and down so that third slide bar 8 slides up and down in corresponding second groove 7 so that
One spring 9 and the 4th spring are compressed or stretch and provide level-one damping simultaneously, and the first spring 9 drives corresponding second slide bar 5
Carry out vertical tremor so that two first support bars 10 are driven rotation and close to each other or separate, two first support bars 10
Drive two the first sliding blocks 11 close to each other or separate in the inner wall top slide of the first fixed bin 1 respectively so that two separate
It is close to each other or separate that second sliding block 13 of the 4th slide bar 17 is driven the sliding in the first sliding groove 12 so that two third springs
19 are stretched or compressed, while two the first sliding blocks 11 close to the 4th China high 17 drive 14 turns of corresponding second support bar respectively
It is dynamic to be located remotely from each other or close and third sliding block 15 is driven to be slided up and down on the 4th slide bar 17 so that second spring 18 is pressed
Contracting stretches, at this time the sliding in first through hole 16 of the 4th slide bar 17, and second spring 18 and third spring 19 are carried to total
For two level damping.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of noise insulation equipment damping, including the first fixed bin（1）, which is characterized in that first fixed bin（1）'s
Top is equipped with opening, and the first fixed bin（1）On be slidably fitted with the second fixed bin（2）, the second fixed bin（2）Bottom be equipped with
Opening, and the second fixed bin（2）Cover the first fixed bin（1）Opening, the second fixed bin（2）Top be installed with sound insulation
Plate（3）, and the second fixed bin（2）Top inner wall on be welded with two the first slide bars（4）, the first slide bar（4）On be slidably installed
There is the second slide bar（5）, the second slide bar（5）Top offer the first groove（6）, the first slide bar（4）It is slidably mounted on corresponding
First groove（6）It is interior, and the first slide bar（4）Bottom end offer the second groove（7）, the second groove（7）Inside it is slidably fitted with
Three slide bars（8）, third slide bar（8）Bottom end extend to corresponding first groove（6）It is interior and be welded on the first groove（6）Bottom
On inner wall, third slide bar（8）Upper sliding sleeve is equipped with the first spring（9）, the first spring（9）Top and bottom end be respectively welded at
One slide bar（4）Bottom end and the first groove（6）Bottom interior wall on, the second slide bar（5）Hinged there are two the first supports for bottom end
Bar（10）, two first support bars（10）The one end being located remotely from each other is respectively articulated with there are two the first sliding block（11）, the first sliding block
（11）Bottom and the first fixed bin（1）Bottom interior wall be slidably connected, the first fixed bin（1）Bottom interior wall on offer
One sliding slot（12）, the first sliding groove（12）Inside being slidably installed, there are four the second sliding blocks（13）, four the second sliding blocks（13）Top part
It is not welded on corresponding first sliding block（11）Bottom, the second fixed bin（2）Top inner wall on be welded with the 4th slide bar（17）,
4th slide bar（17）In two the first slide bars（4）Centre position, and the 4th slide bar（17）Upper sliding sleeve is equipped with third sliding block
（15）, third sliding block（15）On offer first through hole（16）, the 4th slide bar（17）It is slidably mounted on first through hole（16）On, and
4th slide bar（17）Upper sliding sleeve is equipped with second spring（18）, second spring（18）Top and to be respectively welded at second solid for bottom end
Determine box（2）Top inner wall on and third sliding block（15）Top, third sliding block（15）Both sides be hinged with second support bar
（14）, two second support bars（14）The one end being located remotely from each other is respectively hinged at close to the 4th slide bar（17）Two the first sliding blocks
（11）Top.
2. a kind of noise insulation equipment damping according to claim 1, which is characterized in that the first sliding groove（12）It is interior
Being slidably installed, there are two third springs（19）, two third springs（19）The one end being located remotely from each other is respectively welded at the first sliding groove
（12）Both sides inner wall on, and two third springs（19）One end close to each other is respectively welded at far from the 4th slide bar（17）'s
Two the second sliding blocks（13）The side being located remotely from each other.
3. a kind of noise insulation equipment damping according to claim 1, which is characterized in that the first sliding groove（12）'s
Same 5th slide bar, four the second sliding blocks are installed on the inner wall of both sides（13）On offer the second through-hole, four
The inner wall of two through-holes is connect with the 5th sliding bar.
4. a kind of noise insulation equipment damping according to claim 1, which is characterized in that first groove（6）'s
Second sliding slot is offered on the inner wall of both sides, and Four-slider, two Four-slider phases are slidably fitted in two second sliding slots
Mutually close one end all extends to corresponding first groove（6）It is interior and be welded on the first slide bar（4）On.
5. a kind of noise insulation equipment damping according to claim 1, which is characterized in that second groove（7）'s
Third sliding slot is offered on the inner wall of both sides, and the 5th sliding block, two the 5th sliding block phases are slidably fitted in two third sliding slots
Mutually close one end all extends to the second groove（7）It is interior and be welded on third slide bar（8）On.
6. a kind of noise insulation equipment damping according to claim 1, which is characterized in that second groove（7）It is interior
It is slidably fitted with the 4th spring, the top and bottom end of the 4th spring are respectively welded at the second groove（7）Top inner wall on and the
Three slide bars（8）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902215.8U CN207814324U (en) | 2017-12-29 | 2017-12-29 | A kind of noise insulation equipment damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902215.8U CN207814324U (en) | 2017-12-29 | 2017-12-29 | A kind of noise insulation equipment damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814324U true CN207814324U (en) | 2018-09-04 |
Family
ID=63328419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721902215.8U Active CN207814324U (en) | 2017-12-29 | 2017-12-29 | A kind of noise insulation equipment damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814324U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626098A (en) * | 2017-10-30 | 2018-01-26 | 安庆永大体育用品有限公司 | A kind of high three-wheeled sliding plate of stability |
| CN109027118A (en) * | 2018-09-19 | 2018-12-18 | 江苏新格灌排设备有限公司 | A kind of adjustable water pump support device |
| CN109167523A (en) * | 2018-09-19 | 2019-01-08 | 宁波德业变频技术有限公司 | A kind of multimode group parallel connection frequency conversion type inverter |
| CN109736024A (en) * | 2019-01-14 | 2019-05-10 | 张兴宇 | A kind of sewing machine for spinning |
| CN111495019A (en) * | 2020-04-29 | 2020-08-07 | 汪香平 | Metal surface treatment waste recycling suction filtration tank |
| CN112228501A (en) * | 2020-11-05 | 2021-01-15 | 河北建筑工程学院 | Building damping device with good buffering effect |
| WO2022099766A1 (en) * | 2020-11-12 | 2022-05-19 | 吴江市中盛机械有限公司 | Thread clamping device of sewing machine |
-
2017
- 2017-12-29 CN CN201721902215.8U patent/CN207814324U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626098A (en) * | 2017-10-30 | 2018-01-26 | 安庆永大体育用品有限公司 | A kind of high three-wheeled sliding plate of stability |
| CN109027118A (en) * | 2018-09-19 | 2018-12-18 | 江苏新格灌排设备有限公司 | A kind of adjustable water pump support device |
| CN109167523A (en) * | 2018-09-19 | 2019-01-08 | 宁波德业变频技术有限公司 | A kind of multimode group parallel connection frequency conversion type inverter |
| CN109736024A (en) * | 2019-01-14 | 2019-05-10 | 张兴宇 | A kind of sewing machine for spinning |
| CN109736024B (en) * | 2019-01-14 | 2022-01-07 | 杭州若有所思服饰有限公司 | Sewing machine for spinning |
| CN111495019A (en) * | 2020-04-29 | 2020-08-07 | 汪香平 | Metal surface treatment waste recycling suction filtration tank |
| CN112228501A (en) * | 2020-11-05 | 2021-01-15 | 河北建筑工程学院 | Building damping device with good buffering effect |
| WO2022099766A1 (en) * | 2020-11-12 | 2022-05-19 | 吴江市中盛机械有限公司 | Thread clamping device of sewing machine |
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