CN103434963B - Pneumatic rope guider - Google Patents
Pneumatic rope guider Download PDFInfo
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- CN103434963B CN103434963B CN201310420049.8A CN201310420049A CN103434963B CN 103434963 B CN103434963 B CN 103434963B CN 201310420049 A CN201310420049 A CN 201310420049A CN 103434963 B CN103434963 B CN 103434963B
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- 238000005553 drilling Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 abstract description 32
- 239000010959 steel Substances 0.000 abstract description 32
- 238000004804 winding Methods 0.000 abstract description 11
- 206010038743 Restlessness Diseases 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a kind of Pneumatic rope guiders, it is characterized in that front and rear row rope sheave is sleeved on front and back righting rod and steel wire rope clamp is helped between them, the support top wheel of left and right piston group piston rod front end withstands front and rear row rope sheave, the compressed air that is there is provided using drilling machine of the two piston groups in left and right can smoothly be moved to one stable support top power of front and rear row rope sheave and all around always with winding of the steel wire rope on roller and slack rope, the steel wire rope on roller will not arbitrary arrangement or due to bringing to a halt unrest twine.When the pressure that scene provides compressed air is excessive, air pressure can be reduced by the pressure reducing valve adjusted in air accumulator air inlet pipe when the left and right piston of rope winding jib cannot be driven all around steadily to be moved with steel wire rope when wirerope-winding and slack rope under empty tourist bus weight, to ensure that a left and right piston for the branch row of withstanding rope sheave steadily be moved with the winding of steel wire rope and slack rope on empty tourist bus weight bottom roll.To ensure the safe to use and service life, moisture trap and oil sprayer etc. must be added under air accumulator.
Description
Technical field
The present invention relates to during oil drilling and repairing well removes tourist bus on drilling machine roller steel wire rope proper alignment, steel wire rope
Not by snarling and extrusion damage.
Background technology
Because without stable righting when steel wire rope during oil drilling and repairing well removes tourist bus on drilling machine roller is up wound
Power forces it toward arranged in sequence on roller, so steel wire rope is easy snarling.Several drilling machine roller rope winding jibs used in scene also because
The uprighting force of the steel wire rope stabilization of winding, the steel wire rope on roller cannot be given also to be easy snarling.Steel wire rope after snarling mutually squeezes
The easy earlier period damage of pressure-volume, if the drilling tool of suspension when heavier is possible to the steel wire rope of snarling to break because of extruding, there is poles
Big security risk.
Invention content
For steel wire rope on live generally existing drilling machine roller at present be easy after snarling caused steel wire rope premature wear and
Security risk, the purpose of the present invention have been intended to provide a kind of Pneumatic rope guider, effectively prevent steel wire after roller steel wire rope snarling
Rope mutually squeeze be easy earlier period damage and may caused by accident.This Pneumatic rope guider is empty using the existing compression of rig site
Gas mutually keeps one more stable righting of steel wire rope that the principle of balance is controlled to rope winding jib in bidirectional piston cylinder sleeve
Power achievees the purpose that the steel wire rope proper alignment on roller.
The purpose of the present invention is what is completed in this way：
A kind of Pneumatic rope guider mainly by preceding righting rod, rear righting rod, left support bar fixing bracket, front-seat rope sheave, after
Arrange rope sheave, left front support top wheel, left back support top wheel, left front centering ring, left back centering ring, left support top wheel carrier, left piston bar, left work
Plug, left piston cylinder, left piston lid, left piston tube stent, left righting cylinder, left support bar, left front air inlet pipe, left back air inlet pipe, a left side
Air inlet threeway, right support bar fixing bracket, right anterior branch top wheel, it is right after support top wheel, it is right before centering ring, it is right after centering ring, right support top
Wheel carrier, right piston bar, right piston, right piston cylinder, right piston lid, right piston tube stent, right righting cylinder, right support bar, right advance
Air inlet pipe, right air inlet threeway, air accumulator, reducer unit are at preceding righting rod and rear righting rod are fixed on left righting cylinder behind tracheae, the right side
On right righting cylinder, front-seat rope sheave and heel row rope sheave are set on preceding righting rod and rear righting rod, and left front support top wheel is left back
Support top wheel, left front centering ring, left back centering ring are fixedly mounted on the front end of left support top wheel carrier, and left front centering ring is sleeved on preceding righting
On bar, left back centering ring is sleeved on rear righting rod, and left front support top wheel withstands on the left side of front-seat rope sheave, and left back support top wheel withstands on heel row
The left side of rope sheave, left support top wheel carrier are fixed on the front end of left piston bar, and left piston connect and is sleeved on the rear end of left piston bar
In left piston cylinder, left piston lid is sleeved on left piston bar and covers the right end in left piston cylinder, and left piston tube stent is fixed on drilling machine
On shield and the left piston cylinder of back-and-forth motion, the right end of left piston cylinder is supported to be fixed on left righting cylinder, left righting jacket casing is on a left side
On supporting rod, left support bar is fixed on left support bar fixing bracket, and left front air inlet pipe is connected to the front end of left piston cylinder, it is left back into
Tracheae is connected to the rear end of left piston cylinder, and left air inlet threeway is connect with the left back air inlet pipe of the left front air inlet pipe of air accumulator, right anterior branch top wheel,
Support top wheel behind the right side, it is right before centering ring, it is right after centering ring be fixedly mounted on the front end of right support top wheel carrier, it is right before before centering ring is sleeved on
On righting rod, centering ring is sleeved on rear righting rod behind the right side, and the right for withstanding on front-seat rope sheave is taken turns on right anterior branch top, and support top wheel is withstood on behind the right side
The right of heel row rope sheave, right support top wheel carrier are fixed on the front end of right piston bar, and right piston connect and covers with the rear end of right piston bar
In right piston cylinder, right piston lid is sleeved on right piston bar and covers the left end in right piston cylinder, and right piston tube stent is fixed on
On drilling machine shield and the right piston cylinder of back-and-forth motion, the left end of right piston cylinder is supported to be fixed on right righting cylinder, right righting jacket casing
On right support bar, right support bar is fixed on right support bar fixing bracket, and left support bar fixing bracket and right support bar are fixed
Holder is separately fixed at the both sides of drilling machine shield roller, it is right before air inlet pipe be connected to the front end of right piston cylinder, it is right after air inlet pipe be connected to
The rear end of right piston cylinder, right air inlet threeway are connect with air inlet pipe behind the air inlet pipe right side before the air accumulator right side, and air accumulator is connect with pressure reducing valve,
Pressure reducing valve is connect with drilling machine air source.
Advantages of the present invention and the advantageous effect of generation are：
1, the present invention is assembled using conventional part, easily processes installation, is at low cost, has the advantages that generally to use.
2, original of the present invention because mutually keeping balance in bidirectional piston cylinder sleeve using the existing compressed air of rig site
One stable uprighting force of comparison of steel wire rope for being controlled to rope winding jib is managed to reach the mesh of the steel wire rope proper alignment on roller
, so row's rope effect is good, extend the service life of steel wire rope.
Description of the drawings
Fig. 1 is schematic diagram of the present invention.
Specific implementation mode
As shown in Figure 1, a kind of Pneumatic rope guider is mainly by preceding righting rod 1, rear righting rod 2, left support bar fixing bracket
3, front-seat rope sheave 4, heel row rope sheave 5, left front support top wheel 6, left back support top wheel 7, left front centering ring 8, left back centering ring 9, left support top
Wheel carrier 10, left piston bar 11, left piston 12, left piston cylinder 13, left piston lid 14, left piston tube stent 15, left righting cylinder 16, a left side
Supporting rod 17, left front air inlet pipe 18, left back air inlet pipe 19, left air inlet threeway 20, right support bar fixing bracket 21, right anterior branch top wheel
22, support top wheel 23 after right, it is right before centering ring 24, it is right after centering ring 25, right support top wheel carrier 26, right piston bar 27, right piston 28, right
Air inlet pipe 34, the right side are laggard before piston cylinder 29, right piston lid 30, right piston tube stent 31, right righting cylinder 32, right support bar 33, the right side
Tracheae 35, right air inlet threeway 36, air accumulator 37, pressure reducing valve 38 form, and preceding righting rod 1 and rear righting rod 2 are fixed on left righting cylinder
16 and right righting cylinder 32 on, front-seat rope sheave 4 and heel row rope sheave 5 are set on preceding righting rod 1 and rear righting rod 2, left front branch
Top wheel 6, left back support top wheel 7, left front centering ring 8, left back centering ring 9 is fixedly mounted on the front end of left support top wheel carrier 10, left front
Before centering ring 8 is sleeved on righting rod 1, left back centering ring 9 is sleeved on rear righting rod 2, and left front support top wheel 6 withstands on front-seat rope sheave 4
The left side, left back support top wheel 7 withstand on the left side of heel row rope sheave 5, and left support top wheel carrier 10 is fixed on the front end of left piston bar 11, left piston
12 connect with the rear end of left piston bar 11 and are sleeved in left piston cylinder 13, and left piston lid 14 is sleeved on left piston bar 11 and covers
The right end of left piston cylinder 13, left piston tube stent 15 are fixed on drilling machine shield and support the left piston cylinder 13 of back-and-forth motion, left
The right end of piston cylinder is fixed on left righting cylinder 16, and left righting cylinder 16 is sleeved on left support bar 17, and left support bar 17 is fixed on a left side
On supporting rod fixing bracket 3, left front air inlet pipe 18 is connected to the front end of left piston cylinder 13, and left back air inlet pipe 19 is connected to left piston cylinder 13
Rear end, left air inlet threeway 20 connect with 37 left front air inlet pipe of air accumulator, 18 left back air inlet pipe 19, and right anterior branch top wheel 22 props up after right
Top wheel 23, it is right before centering ring 24, it is right after centering ring 25 be fixedly mounted on the front end of right support top wheel carrier 26, it is right before 24 sets of centering ring
On preceding righting rod 1, centering ring 25 is sleeved on rear righting rod 2 behind the right side, and right anterior branch top wheel 22 withstands on the right of front-seat rope sheave 4, right
Support top wheel 23 withstands on the right of heel row rope sheave 5 afterwards, and right support top wheel carrier 26 is fixed on the front end of right piston bar 27, right piston 28 and the right side
The rear end of piston rod 27 connects and is sleeved in right piston cylinder 29, and right piston lid 30 is sleeved on right piston bar 27 and covers in right piston
The left end of cylinder 29, right piston tube stent 31 are fixed on drilling machine shield and support the right piston cylinder 29 of back-and-forth motion, right piston cylinder
Left end be fixed on right righting cylinder 32, right righting cylinder 32 is sleeved on right support bar 33, and right support bar 33 is fixed on right support bar
On fixing bracket 21, left support bar fixing bracket 3 and right support bar fixing bracket 21 are separately fixed at the two of drilling machine shield roller
Side, it is right before air inlet pipe 34 be connected to the front end of right piston cylinder 29, it is right after air inlet pipe 35 be connected to the rear end of right piston cylinder 29, right air inlet three
Logical 36 connect with air inlet pipe 35 behind 34 right side of air inlet pipe before 37 right side of air accumulator, and air accumulator 37 is connect with pressure reducing valve 38, pressure reducing valve 38 and
Drilling machine air source connects.
Because left and right piston cannot be moved freely in piston cylinder by the pressure from compressed air, so giving left and right piston
One power of bar, power on the piston rod of left and right give four support top wheels, one power by left and right support top wheel carrier, and four support top wheels are from left and right
Both sides give front and rear row rope sheave one power, and left support top wheel carrier 10 and right support top wheel carrier 26 are sleeved on by four supporting positive covers on front and back righting rod
Make it that can move left and right and moved with the back-and-forth motion of righting rod, buttresses 5 quilt of front-seat rope sheave 4 and heel row rope sheave of steel wire rope
Four support top wheels or so on left support top wheel carrier 10 and right support top wheel carrier 26 are mutually withstood.When drilling machine roller rotates, steel wire rope
With sequentially being controlled on roller, the when of winding rope closing or slack rope, clamps the front-seat rope sheave 4 of steel wire rope and heel row rope sheave 5 had both been rolled
The past power to swing of steel wire rope on cylinder.Front and rear row rope sheave is driven the pressure in left side left piston cylinder 13 when turning left mobile by steel wire rope
Power of the contracting air to left piston 12 1 to the right, left piston bar 11 gives the power of front and rear row rope sheave one to the right, when its swing of turning left
Power when overcoming the power of 12 left side compressed air of left piston left piston previously move left, 12 left side of left piston in left piston cylinder 13
Compressed air is pressurized, and pressure reaches left air inlet threeway 20 and air accumulator 37 by left back air inlet pipe 19, at this time 12 the right of left piston
Compressed air pressure reduce, the compressed air in air accumulator 37 by left air inlet threeway 20, left front air inlet pipe 18 reach it is left into
The right of 13 left piston 12 of inflator pushes left piston 12 to be moved left with left piston bar 11, left support top wheel carrier 10 are past therewith.At this time
Front and rear row rope sheave is reduced to the power on 27 left side of right piston bar, and the pressure on 28 left side of right piston is less than the pressure on the right in right piston cylinder 29
The compressed air pressure of power, the right pushes right piston through the compressed air in air accumulator 37, right air inlet threeway 36, right air inlet pipe 35
28 toward moving left, and with right piston bar 27, right support top wheel carrier 26 therewith toward moving left, on the contrary then negative direction moves right piston 28.
Front and rear row rope sheave by steel wire rope drive turn left move right when, front and rear row rope sheave always give folded one stable righting of steel wire rope
Power promotes it sequentially to be arranged on roller, achievees the purpose that the nonvoluntary snarling of steel wire rope on roller.
Left and right righting cylinder is respectively fitted on left and right sidesing post, the front and rear row rope sheave when the steel wire rope on roller increases from level to level
It being moved along by the steel wire rope drive on roller, front and back righting rod is also moved along by the drive of front and rear row rope sheave, left and right piston rod,
Left and right piston cylinder drives righting cylinder in left and right to be moved forward and backward on left and right sidesing post, and the rear end of left and right piston cylinder is also in left and right piston cylinder
It is moved along on holder, on the contrary then negative direction moves.
The air inlet pipe before adjusting air accumulator 37 when the excessive row's rope sheave of pressure that scene provides compressed air cannot move freely
On pressure reducing valve, to ensure the steady movement of rope winding jib or so piston.
To ensure service life of rope winding jib and safe to use, it is necessary to plus moisture trap and oil sprayer etc. under air accumulator.
Claims (1)
1. a kind of Pneumatic rope guider, mainly by preceding righting rod (1), rear righting rod (2), left support bar fixing bracket (3), front row
Rope sheave (4), heel row rope sheave (5), left front support top wheel (6), left back support top wheel (7), left front centering ring (8), left back centering ring (9),
Left support top wheel carrier (10), left piston bar (11), left piston (12), left piston cylinder (13), left piston lid (14), left piston tube stent
(15), left righting cylinder (16), left support bar (17), left front air inlet pipe (18), left back air inlet pipe (19), left air inlet threeway (20),
Right support bar fixing bracket (21), right anterior branch top wheel (22), it is right after support top wheel (23), it is right before centering ring (24), it is right after centering ring
(25), right support top wheel carrier (26), right piston bar (27), right piston (28), right piston cylinder (29), right piston lid (30), right piston
Air inlet pipe (35), right air inlet threeway behind air inlet pipe (34), the right side before tube stent (31), right righting cylinder (32), right support bar (33), the right side
(36), air accumulator (37), pressure reducing valve (38) composition, it is characterized in that：Preceding righting rod (1) and rear righting rod (2) are fixed on left righting
On cylinder (16) and right righting cylinder (32), front-seat rope sheave (4) and heel row rope sheave (5) are set in preceding righting rod (1) and rear righting
On bar (2), left front support top wheel (6), left back support top wheel (7), left front centering ring (8), left back centering ring (9) is fixedly mounted on a left side
The front end of support top wheel carrier (10), left front centering ring (8) are sleeved on preceding righting rod (1), and left back centering ring (9) is sleeved on rear righting rod
(2) on, left front support top wheel (6) withstands on the left side of front-seat rope sheave (4), and left back support top wheel (7) withstands on the left side of heel row rope sheave (5),
Left support top wheel carrier (10) is fixed on the front end of left piston bar (11), and left piston (12) connect and covers with the rear end of left piston bar (11)
In left piston cylinder (13), left piston lid (14) is sleeved on left piston bar (11) and covers the right end in left piston cylinder (13), left
Piston tube stent (15) is fixed on drilling machine shield and supports the left piston cylinder (13) of back-and-forth motion, the right end of left piston cylinder (13)
It is fixed on left righting cylinder (16), left righting cylinder (16) is sleeved on left support bar (17), and left support bar (17) is fixed on left support
On bar fixing bracket (3), left front air inlet pipe (18) is connected to the front end of left piston cylinder (13), and left back air inlet pipe (19) is connected to left piston
The rear end of cylinder (13), left air inlet threeway (20) connect with air accumulator (37) left front air inlet pipe (18) left back air inlet pipe (19), before right
Support top wheel (22), it is right after support top wheel (23), it is right before centering ring (24), it is right after centering ring (25) be fixedly mounted on right support top wheel carrier
(26) front end, it is right before centering ring (24) be sleeved on preceding righting rod (1), it is right after centering ring (25) be sleeved on rear righting rod (2), it is right
Preceding support top wheel (22) withstands on the right of front-seat rope sheave (4), it is right after support top wheel (23) withstand on the right of heel row rope sheave (5), right support top
Wheel carrier (26) is fixed on the front end of right piston bar (27), and right piston (28) connect with the rear end of right piston bar (27) and is sleeved on the right side
In piston cylinder (29), right piston lid (30) is sleeved on right piston bar (27) and covers the left end in right piston cylinder (29), right piston cylinder
Holder (31) is fixed on drilling machine shield and the right piston cylinder (29) of back-and-forth motion, the left end of right piston cylinder is supported to be fixed on the right side and help
On positive cylinder (32), right righting cylinder (32) is sleeved on right support bar (33), and right support bar (33) is fixed on right support bar fixing bracket
(21) on, left support bar fixing bracket (3) and right support bar fixing bracket (21) are separately fixed at the both sides of drilling machine shield roller,
Air inlet pipe (34) is connected to the front end of right piston cylinder (29) before the right side, it is right after air inlet pipe (35) be connected to the rear ends of right piston cylinder (29), it is right
Air inlet pipe (35) is connect after air inlet pipe (34) is right before air inlet threeway (36) is right with air accumulator (37), air accumulator (37) and pressure reducing valve
(38) it connects, pressure reducing valve (38) is connect with drilling machine air source；It is arranged with moisture trap in air accumulator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810452323.2A CN108584748A (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
| CN201310420049.8A CN103434963B (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420049.8A CN103434963B (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810452323.2A Division CN108584748A (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103434963A CN103434963A (en) | 2013-12-11 |
| CN103434963B true CN103434963B (en) | 2018-11-09 |
Family
ID=49688717
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810452323.2A Pending CN108584748A (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
| CN201310420049.8A Active CN103434963B (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810452323.2A Pending CN108584748A (en) | 2013-09-16 | 2013-09-16 | Pneumatic rope guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108584748A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738871B (en) * | 2014-01-29 | 2018-12-28 | 浙江泰邦电器有限公司 | The big rope air-resistance type rope winding jib of boring winch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD155314A1 (en) * | 1980-12-16 | 1982-06-02 | Hans Luebbe | DEVICE FOR TESTING OF ROLLING DEVICES |
| CN201105961Y (en) * | 2007-09-30 | 2008-08-27 | 陈钢 | Winch rope winder |
| CN202508810U (en) * | 2012-03-20 | 2012-10-31 | 陕西斯克达环保动力机械有限公司 | Air control winch rope arranger |
| CN103130121A (en) * | 2011-11-28 | 2013-06-05 | 晋兆建 | Hydraulic rope guiding system applicable to drill well winch and hydraulic rope guiding method applicable to drill well winch |
| CN203428638U (en) * | 2013-09-16 | 2014-02-12 | 慕武 | Pneumatic rope arranger |
-
2013
- 2013-09-16 CN CN201810452323.2A patent/CN108584748A/en active Pending
- 2013-09-16 CN CN201310420049.8A patent/CN103434963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD155314A1 (en) * | 1980-12-16 | 1982-06-02 | Hans Luebbe | DEVICE FOR TESTING OF ROLLING DEVICES |
| CN201105961Y (en) * | 2007-09-30 | 2008-08-27 | 陈钢 | Winch rope winder |
| CN103130121A (en) * | 2011-11-28 | 2013-06-05 | 晋兆建 | Hydraulic rope guiding system applicable to drill well winch and hydraulic rope guiding method applicable to drill well winch |
| CN202508810U (en) * | 2012-03-20 | 2012-10-31 | 陕西斯克达环保动力机械有限公司 | Air control winch rope arranger |
| CN203428638U (en) * | 2013-09-16 | 2014-02-12 | 慕武 | Pneumatic rope arranger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103434963A (en) | 2013-12-11 |
| CN108584748A (en) | 2018-09-28 |
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Effective date of registration: 20180314 Address after: 830002 the Xinjiang Uygur Autonomous Region Urumqi Midong District Jiangou West Road No. 28 Applicant after: Wei Xue Address before: Era road Mongolia Autonomous Development Zone in Korla City, 841001 the Xinjiang Uygur Autonomous Region No. 10 Bayinguoleng Bazhou pat Rolle company technology management department Applicant before: Mu Wu |
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Effective date of registration: 20180829 Address after: 362100 Fujian Quanzhou investment zone, Dongyuan Town, Qing village, D 704 Applicant after: Quanzhou Taiwan Investment Zone Yang Fu Information Technology Co.,Ltd. Address before: 830002 28 caustic ditch West Road, Urumqi, the Xinjiang Uygur Autonomous Region Applicant before: Wei Xue |
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Effective date of registration: 20201016 Address after: 239000 No. 82 Garden Road West, Anhui, Chuzhou Patentee after: CHUZHOU MICROSECOND PRECISION MACHINERY Co.,Ltd. Address before: 362100 Fujian Quanzhou investment zone, Dongyuan Town, Qing village, D 704 Patentee before: Quanzhou Taiwan Investment Zone Yang Fu Information Technology Co.,Ltd. |
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Effective date of registration: 20240125 Address after: No. 180 Langya Road, Chuzhou City, Anhui Province, 239000 (West 4th Floor, Chuzhou Grand Theater) Patentee after: Chuzhou Modern Industry Investment and Development Co.,Ltd. Country or region after: China Address before: 239000, No.82 Huayuan West Road, Chuzhou City, Anhui Province Patentee before: CHUZHOU MICROSECOND PRECISION MACHINERY CO.,LTD. Country or region before: China |
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