CN107345554A - Counter weight device and air conditioner - Google Patents
Counter weight device and air conditioner Download PDFInfo
- Publication number
- CN107345554A CN107345554A CN201710575076.0A CN201710575076A CN107345554A CN 107345554 A CN107345554 A CN 107345554A CN 201710575076 A CN201710575076 A CN 201710575076A CN 107345554 A CN107345554 A CN 107345554A
- Authority
- CN
- China
- Prior art keywords
- branch support
- support part
- counter weight
- weight device
- air
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a counterweight device and an air conditioner, wherein the counterweight device comprises: comprises a clamping component and a plurality of balancing weights; the clamping component is used for being sleeved on the air conditioner pipe; a plurality of the weight blocks may be detachably coupled to the chucking member in a predetermined number. The counterweight device and the air conditioner greatly reduce the test strain value of a pipeline system, reduce vibration, have strong adaptability, greatly save cost, are convenient to disassemble and assemble, obviously improve counterweight debugging efficiency and reduce vibration strain.
Description
Technical field
The present invention relates to air-conditioning technical field, and in particular to a kind of counter weight device and air-conditioning.
Background technology
The air conditioner compressed acc power of large commercial is big, system is more, matched tube structure is complicated, and system pipeline experiment strain is exceeded and tries
Test rectification and always be the problem of can not avoiding.Counter weight device structure of the prior art, it is only applicable to the pipeline of single diameter
Structure, and the weight of counter weight device is non-adjustable, can not meet the changeable requirement with counterweight debugging of business air conditioner unit pipeline diameter.
The content of the invention
The invention discloses a kind of counter weight device and air-conditioning, solves the nonadjustable problem of weight of existing counter weight device.
According to an aspect of the present invention, a kind of counter weight device, including clamping unit and multiple balancing weights are disclosed；It is described
Clamping unit, for being sleeved on air-conditioner pipe；Multiple balancing weights can be detachably connected to the card according to predetermined quantity
On tight part.
Further, the clamping unit includes clamping section and connecting portion, and the clamping section is clamped in the air-conditioner pipe
On outer surface, the balancing weight is set on the connecting portion.
Further, in addition to locating part, the locating part are detachably connected on the connecting portion, the locating part
For the balancing weight to be fixed or spacing in the connecting portion.
Further, in addition to branch support part, the branch support part first end and the clamping section formed grasping part with
The air-conditioner pipe is clamped, the diameter for the grasping part that the branch support part first end is formed with the clamping section is adjustable, the branch
It is detachably connected between second end of support part and the locating part.
Further, there is multiple link positions, also, institute between the second end of the branch support part and the locating part
When stating the second end of branch support part and being in different link positions from the locating part, make the branch support part first end close or
Away from the clamping section.
Further, the second end of the branch support part and the locating part clamping or threaded connection.
Further, the second end of the branch support part forms the first screw rod, and the locating part is provided with spacing hole, described
First screw rod by nut through the spacing hole and being connected on the locating part, and first screw rod is by through the limit
The distance in position hole is adjustable to form the multiple link position.
Further, the second end of the branch support part forms the first screw rod, and the locating part is provided with and described first
The screw that screw rod coordinates, the branch support part is coordinated by the screw screw thread on the first screw rod and the locating part, and is being rotated
During form the multiple link position.
Further, each balancing weight has the first avoid holes for being used for passing through for first screw rod, the branch
Second end of support part is connected through one or more described balancing weight with the locating part.
Further, the connecting portion is connecting rod, and each balancing weight, which has, is used for what is passed through for the connecting portion
Second avoid holes, the balancing weight can be set in the connecting rod according to predetermined quantity.
Further, the connecting rod is the second screw rod, and second screw rod is connected with the locating part by nut.
Further, the clamping part is U-shaped bar, and the connecting rod is two straight-bar portions that U-shaped bar is located at free end
Point, the clamping section is the cranked portion of U-shaped bar.
Further, the branch support part first end includes three grip blocks being sequentially connected, adjacent two grip blocks
Between angle spend to spend between, three grip blocks form the clamping face to three directions of the air-conditioner pipe.
According to another aspect of the present invention, a kind of air-conditioning, including above-mentioned counter weight device are disclosed.
The counter weight device and air-conditioning of the present invention significantly reduces the test strain value of pipe-line system, reduces vibration, adapts to
Property it is strong, dramatically saves on cost, easy disassembly, significantly improve counterweight debugging efficiency, reduce vibration strains.
Brief description of the drawings
Fig. 1 is the counter weight device structural representation of the embodiment of the present invention；
Fig. 2 is the counter weight device Structure explosion diagram of the embodiment of the present invention；
Fig. 3 is the counter weight device experiment schematic diagram of the embodiment of the present invention；
Fig. 4 is the branch support part structural representation of the embodiment of the present invention；
Legend：1st, clamping unit；11st, clamping section；12nd, connecting portion；2nd, locating part；21st, it is raised；3rd, branch support part；31st, prop up
Support；4th, balancing weight；5th, air-conditioner pipe.
Embodiment
With reference to embodiment, the present invention will be further described, but is not limited to the content on specification.
As illustrated in fig. 1 and 2, the invention discloses a kind of counter weight device, including clamping unit 1 and multiple balancing weights 4；It is described
Clamping unit 1, for being sleeved on air-conditioner pipe 5；Multiple balancing weights 4 can be detachably connected to described according to predetermined quantity
On clamping unit 1.
Counter weight device is fixed on air-conditioner pipe 5 by the clamping unit 1 of the present embodiment, by the way that multiple balancing weights 4 are detachable
Ground is connected on clamping unit 1, and weight can adjust so as to realize, the counter weight device of the embodiment of the present invention is used in into air-conditioning system
Actual effect such as table 1 in system：
The air-conditioning system strain testing test data of table 1
As shown in figure 3, test strain data of the air-conditioner set compressor exhaust pipe in the case of counterweight is applied, foil gauge
Patch point position is blast pipe a positions, and counter weight device application position is b positions.According to the Data Comparison Analysis of table 1：
(1) balancing weight fixed form effectiveness in vibration suppression of the invention is better than line bundle fixed form；
(2) effectiveness in vibration suppression of 1 piece of counterweight of balancing weight addition will be weaker than 3 pieces of counterweights.
As can be seen from the above experimental data, the counter weight device of the embodiment of the present invention significantly reduces the test of pipe-line system
Strain value, reduces vibration, and can with regulating weight, easy disassembly, significantly improve counterweight debugging efficiency, reducing vibration should
Become, can be applied to a variety of air-conditioner pipes.
In the above-described embodiments, the clamping unit 1 includes clamping section 11 and connecting portion 12, and the clamping section 11 is clamped in
On the outer surface of the air-conditioner pipe 5, the balancing weight 4 is set on the connecting portion 12.In the present embodiment, clamping section 11 adds
Tightly on the outer surface of air-conditioner pipe 5, so as to counter weight device and be fixed on air-conditioner pipe 5, further according to different air-conditioner pipes 5 by with
The quantity of pouring weight 4, reach best damping effect, because balancing weight 4 is set on connecting portion 12, therefore, increases or decreases and match somebody with somebody
During pouring weight 4, only balancing weight 4 need to be enclosed on to connecting portion 12 or be removed from connecting portion 12, operating process is very convenient, hence it is evident that
Improve counterweight debugging efficiency.
In the above-described embodiments, in addition to locating part 2, the locating part 2 are detachably connected on the connecting portion 12,
The locating part 2 is used to fix the balancing weight 4 or spacing in the connecting portion 12, by setting locating part 2 when needing
When increasing or decreasing balancing weight 4, locating part 2 can be removed, can be to increase or decrease balancing weight 4, operating process is very
It is convenient, hence it is evident that to improve counterweight debugging efficiency.
In the above-described embodiments, in addition to branch support part 3, the first end of branch support part 3 are formed with the clamping section 11
Grasping part to clamp the air-conditioner pipe 5, the grasping part that the first end of branch support part 3 is formed with the clamping section 11 it is straight
Footpath is adjustable, detachably connected between the second end of the branch support part 3 and the locating part 2.In the present embodiment, clamping section 11
It is clamped on the outer surface of air-conditioner pipe 5, branch support part 3 is against on the outer surface of air-conditioner pipe 5, branch support part 3 and clamping section 11
It is engaged, air-conditioner pipe 5 is clamped, and adjusts what is formed between branch support part 3 and clamping section 11 according to the air-conditioner pipe 5 of different tube diameters
The size in space is accommodated, to adapt to air-conditioner pipe 5, so as to which air-conditioner pipe 5 be clamped, the end of branch support part 3 second is detachably connected to
On locating part 2, the length of branch support part 3 is conveniently adjusted, the efficiency of allotment is improved, it is possible to further in the branch support part 3
The second end and the locating part 2 between there are multiple link positions, also, the second end of the branch support part 3 and the limit
When position part 2 is in different link positions, make the first end of branch support part 3 close or away from the clamping section 11, according to sky
Being connected at branch support part 3 second end on locating part 2 with suitable link position of the caliber of pipe 5 is adjusted, makes the of branch support part 3
One end coordinates with clamping section 11 just clamps air-conditioner pipe 5, counter weight device is adapted to the air-conditioner pipe 5 of different tube diameters, does not have to
Each caliber is corresponding to do a kind of counter weight device of size, improves adaptability, dramatically saves on cost.
In the above-described embodiments, the second end of the branch support part 3 and the clamping of locating part 2 or threaded connection, lead to
Crossing the mode of clamping or threaded connection easily and reliably can be connected branch support part 3 with locating part 2, and adjust process also ten
It is convenient to divide.
In the above-described embodiments, the second end of the branch support part 3 forms the first screw rod, and the locating part 2 sets limited
Position hole, first screw rod are connected on the locating part 2 through the spacing hole by nut, and first screw rod is by wearing
The distance of the spacing hole is crossed to form the multiple link position, in use, branch support part 3 first can be passed through into spacing hole,
And coordinate with clamping section 11, air-conditioner pipe 5 is clamped, then branch support part 3 and locating part 2 are connected to by appropriate connection by nut
On position, the position of branch support part 3 is fixed, so as to which air-conditioner pipe 5 be clamped, when needing adjustment, nut need to only be unclamped, will
Branch support part 3 separates with air-conditioner pipe 5, can be to remove counter weight device adjustment, and installation and adjustment process are very convenient.
In the above-described embodiments, the branch support part 3 the second end formed the first screw rod, the locating part 2 be provided with
The screw that first screw rod coordinates, the branch support part 3 are matched somebody with somebody by the first screw rod and the screw screw thread on the locating part 2
Close, and the multiple link position is formed in rotation process, in use, branch support part 3 is arranged on screw, pass through branch support
The rotation of part 3 is simultaneously parked on appropriate link position, branch support part 3 is coordinated with clamping section 11, air-conditioner pipe 5 is clamped, when need
, can be with realization for the air-conditioner pipe 5 of different tube diameters by rotating branch support part 3 to appropriate link position when adjusting
Adjustment, installation and adjustment process are very convenient.
In the above-described embodiments, each balancing weight 4 has the first avoid holes for being used for passing through for first screw rod,
Second end of the branch support part 3 is connected through one or more described balancing weight 4 with the locating part 2, and single counterweight
The thickness of block 4 is less than 5mm, and weight is less than 30g, passes through the different number counterweights on the both ends of clamping unit 1,3 sets of branch support part
Block 4, differentiation requirement of the different-diameter air-conditioner pipe 5 to balance weight can be achieved, balance weight scope has adjustability, can be fast
Speed addition or the block number for reducing counterweight, are adapted to a variety of air-conditioner pipes 5, and attaching/detaching process is convenient.
In the above-described embodiments, the connecting rod is the second screw rod, and second screw rod passes through nut with the locating part 2
Connection, connecting rod are connected with locating part by nut, make installation and removal process very convenient, to further facilitate peace installation and dismantling
Process is unloaded, locating part 2 can be arranged to shape of chinese word Ji, can be provided with and prop up in intermediate raised portion with balancing bolt pretightning force
Support part 3 corresponding spacing hole or screw, the nut installation site of centre is raised, expand spanner operating space and facilitate nut
The advantages of installation.
In the above-described embodiments, the clamping unit 1 is U-shaped bar, and the connecting rod is two that U-shaped bar is located at free end
Straight bar part, the clamping section 11 are the cranked portion of U-shaped bar, can make the tube wall contact area of clamping unit 1 and air-conditioner pipe 5
Bigger, using three face fastenings, the air-conditioner pipe 5 that different-diameter can be achieved clamps requirement, and fixation is relatively reliable.
As Fig. 4 embodiment in, the first end of branch support part 3 includes three grip blocks being sequentially connected, adjacent
For angle between two grip blocks between 0 degree to 90 degree, three grip blocks form three directions to the air-conditioner pipe 5
Clamping face, it is preferable that branch support part is Y shaped bracket push rod, and the length A of Y shape beam is necessarily equal to the minimum outer diameter D of air-conditioner pipe 5min/
6；Length B is necessarily equal to copper pipe maximum outside diameter Dmax/4；Arcuate angle C is less than 45 °, so as to utilize three face fastenings, realizes air-conditioning
The air-conditioner pipe 5 of the diameter of pipe 5 different-diameter between 22mm~41.3mm, which clamps, to be required, and reliability is high after fixing, but also
Adapt to bend pipe structure.
In the above-described embodiments, clamping unit 1, locating part 2, branch support part 3 and balancing weight 4 are metal material, are applicable
In the air-conditioner pipe 5 more than temperature 60 C, compressor air-discharging high temperature conduit can not be applied to by avoiding rubber or ABS material counterweight
Shortcoming strong adaptability, reliability are high.
Another aspect of the present invention, also disclose a kind of air-conditioning, including above-mentioned counter weight device.
A kind of counter weight device and air-conditioning disclosed by the invention, strong adaptability, a kind of size is done without each caliber is corresponding
Counter weight device, dramatically saves on cost, moreover it is possible to adapt to bend pipe structure, and be engaged by multiple nuts with screw thread, can
It is high by property, there is locking characteristic, in addition, the test strain value of pipe-line system can be significantly reduced, reduce vibration, and conveniently
Dismount, significantly improve counterweight debugging efficiency, reduce vibration strains.
Obviously, above-mentioned embodiment of the invention is only intended to clearly illustrate example of the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other changes in different forms.Here all embodiments can not be exhaustive.It is every to belong to this
Row of the obvious changes or variations that the technical scheme of invention is extended out still in protection scope of the present invention.
Claims (14)
- A kind of 1. counter weight device, it is characterised in that including：Clamping unit (1) and multiple balancing weights (4)；The clamping unit (1), for being sleeved on air-conditioner pipe (5)；Multiple balancing weights (4) can be detachably connected to according to predetermined quantity on the clamping unit (1).
- 2. counter weight device according to claim 1, it is characterised in that the clamping unit (1) include clamping section (11) and Connecting portion (12), the clamping section (11) are clamped on the outer surface of the air-conditioner pipe (5), and the balancing weight (4) is set in institute State on connecting portion.
- 3. counter weight device according to claim 2, it is characterised in that also including locating part (2), the locating part (2) can Releasably it is connected on the connecting portion (12), the locating part (2) is used for the balancing weight (4) is fixed or spacing in institute State on connecting portion (12).
- 4. counter weight device according to claim 3, it is characterised in that also including branch support part (3), the branch support part (3) first end forms grasping part to clamp the air-conditioner pipe (5), the branch support part (3) first with the clamping section (11) End with the clamping section (11) formation grasping part diameter it is adjustable, the second end of the branch support part (3) with it is described spacing It is detachably connected between part (2).
- 5. counter weight device according to claim 4, it is characterised in that the second end of the branch support part (3) and the limit There are multiple link positions, also, the second end of the branch support part (3) is in not with the locating part (2) between position part (2) During with link position, make branch support part (3) first end close or away from the clamping section (11).
- 6. counter weight device according to claim 4, it is characterised in that the second end of the branch support part (3) and the limit Position part (2) clamping or threaded connection.
- 7. counter weight device according to claim 5, it is characterised in that the second end of the branch support part (3) forms first Screw rod, the locating part (2) are provided with spacing hole, and first screw rod is connected to described through the spacing hole and by nut On locating part (2), first screw rod is adjustable to form the multiple link position by the distance through the spacing hole.
- 8. counter weight device according to claim 5, it is characterised in that the second end of the branch support part (3) forms first Screw rod, the locating part (2) are provided with the screw coordinated with first screw rod, and the branch support part (3) passes through the first screw rod Coordinate with the screw screw thread on the locating part (2), and the multiple link position is formed in rotation process.
- 9. counter weight device according to claim 7, it is characterised in that each balancing weight (4), which has, to be used for described in confession The first avoid holes that first screw rod passes through, the second end of the branch support part (3) pass through one or more described balancing weight (4) It is connected with the locating part (2).
- 10. counter weight device according to claim 3, it is characterised in that the connecting portion is connecting rod, each counterweight Block (4) has the second avoid holes for being used for passing through for the connecting portion, and the balancing weight (4) can be set in institute according to predetermined quantity State in connecting rod.
- 11. counter weight device according to claim 10, it is characterised in that the connecting rod is the second screw rod, described second Screw rod is connected with the locating part (2) by nut.
- 12. counter weight device according to claim 10, it is characterised in that the clamping unit (1) is U-shaped bar, the company Extension bar is two straight bar parts that U-shaped bar is located at free end, and the clamping section (11) is the cranked portion of U-shaped bar.
- 13. counter weight device according to claim 4, it is characterised in that branch support part (3) first end include three according to The grip block of secondary connection, between 0 degree to 90 degree, three grip blocks are formed pair the angle between adjacent two grip blocks The clamping face in three directions of the air-conditioner pipe (5).
- 14. a kind of air-conditioning, it is characterised in that including the counter weight device described in claim any one of 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575076.0A CN107345554B (en) | 2017-07-14 | 2017-07-14 | Counterweight device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575076.0A CN107345554B (en) | 2017-07-14 | 2017-07-14 | Counterweight device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107345554A true CN107345554A (en) | 2017-11-14 |
| CN107345554B CN107345554B (en) | 2023-06-30 |
Family
ID=60258065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710575076.0A Active CN107345554B (en) | 2017-07-14 | 2017-07-14 | Counterweight device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345554B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022577A (en) * | 2019-10-24 | 2020-04-17 | 巢湖市荣达塑业有限公司 | Balancing weight fixing assembly and arrangement method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038988A (en) * | 1988-07-07 | 1990-01-24 | 范毅仁 | The pedal ballast device |
| US5462309A (en) * | 1994-05-20 | 1995-10-31 | Caterpillar Inc. | Stackable counterweight arrangement |
| CN201376783Y (en) * | 2009-03-20 | 2010-01-06 | 唐瑞文 | Belt cleaner |
| CN204718028U (en) * | 2015-05-15 | 2015-10-21 | 广东美的制冷设备有限公司 | Pipeline balancing weight and the air-conditioner with it |
| CN205472529U (en) * | 2016-02-19 | 2016-08-17 | 南安市申达鑫通商贸有限公司 | Counter weight position adjustable crow bar |
| CN106195449A (en) * | 2016-09-02 | 2016-12-07 | 杨华 | A kind of pipeline fixing bracket |
| CN207648048U (en) * | 2017-07-14 | 2018-07-24 | 珠海格力电器股份有限公司 | Counter weight device and air conditioner |
-
2017
- 2017-07-14 CN CN201710575076.0A patent/CN107345554B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038988A (en) * | 1988-07-07 | 1990-01-24 | 范毅仁 | The pedal ballast device |
| US5462309A (en) * | 1994-05-20 | 1995-10-31 | Caterpillar Inc. | Stackable counterweight arrangement |
| CN201376783Y (en) * | 2009-03-20 | 2010-01-06 | 唐瑞文 | Belt cleaner |
| CN204718028U (en) * | 2015-05-15 | 2015-10-21 | 广东美的制冷设备有限公司 | Pipeline balancing weight and the air-conditioner with it |
| CN205472529U (en) * | 2016-02-19 | 2016-08-17 | 南安市申达鑫通商贸有限公司 | Counter weight position adjustable crow bar |
| CN106195449A (en) * | 2016-09-02 | 2016-12-07 | 杨华 | A kind of pipeline fixing bracket |
| CN207648048U (en) * | 2017-07-14 | 2018-07-24 | 珠海格力电器股份有限公司 | Counter weight device and air conditioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022577A (en) * | 2019-10-24 | 2020-04-17 | 巢湖市荣达塑业有限公司 | Balancing weight fixing assembly and arrangement method thereof |
| CN111022577B (en) * | 2019-10-24 | 2021-06-15 | 巢湖市荣达塑业有限公司 | Balancing weight fixing assembly and arrangement method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107345554B (en) | 2023-06-30 |
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