CN108906792B - Equipment for cleaning oil pipe - Google Patents
Equipment for cleaning oil pipe Download PDFInfo
- Publication number
- CN108906792B CN108906792B CN201810718886.1A CN201810718886A CN108906792B CN 108906792 B CN108906792 B CN 108906792B CN 201810718886 A CN201810718886 A CN 201810718886A CN 108906792 B CN108906792 B CN 108906792B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- oil pipe
- cleaning box
- wall
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The utility model relates to a cleaning equipment technical field specifically is an equipment for rinsing oil pipe, including belt cleaning device and fixing device, belt cleaning device includes buncher, wash case and gas cylinder, buncher's output shaft has the axis of rotation, the axis of rotation is connected with the washing case, it has the hollow telescopic link of a plurality of to articulate on the washing case, the telescopic link with wash the case intercommunication, the telescopic link free end is equipped with the brush, it is equipped with the dwang to wash the incasement, it is equipped with fan-shaped ring gear to wash the incasement wall, dwang coaxial coupling has the sector gear, the sector gear can with the meshing of fan-shaped ring gear, dwang one end. Different rotating speeds are generated by using the speed regulating motor, so that the hairbrush on the telescopic rod is subjected to centrifugal forces of different degrees, and the hairbrush rotates to form circles with different radiuses and sizes to adapt to oil pipes with different inner diameters.
Description
Technical Field
The invention relates to a cleaning device, in particular to a device for cleaning an oil pipe.
Background
The oil pipe is a part for transmitting oil, and is widely applied to oil supply systems in various industries. Because oil pipe is directly pulled out from the mould, because some places production environment is comparatively bad, just can't guarantee the cleanness of oil pipe inner wall in the production process, remains the debris in oil pipe can pollute fluid after oil feeding system operation for fluid is very dirty, has the deposition granule, thereby forms the greasy dirt of sediment, and then retards the fluid circulation, leads to whole system to operate badly.
In the prior art, in order to improve the cleanliness of an oil pipe, the oil pipe can be cleaned after the oil pipe is produced, at present, the most commonly adopted method is that a cleaning device with cleaning oil is used for extending into the oil pipe, however, the phenomenon that the inner diameter of the oil pipe is different in size exists in the prior art, the two sides of the inner wall of the oil pipe cannot be cleaned simultaneously when the cleaning device is used for cleaning sundries on the inner wall of the oil pipe, and the problem that the inner wall of the oil pipe cannot be cleaned completely and incompletely is caused.
Disclosure of Invention
The invention aims to provide equipment for cleaning oil pipes, which can adapt to oil pipes with different inner diameters and solve the problems of unclean and incomplete cleaning when cleaning sundries on the inner walls of the oil pipes.
In the scheme, the equipment for cleaning the oil pipe comprises a fixing device and a cleaning device, wherein the cleaning device comprises a speed regulating motor, a cleaning box and two air storage cylinders, an output shaft of the speed regulating motor is connected with a rotating shaft, the rotating shaft is connected with the cleaning box, the bottom end of the cleaning box is provided with two telescopic clapboards, the clapboards are symmetrically arranged along the central axis of the cleaning box, a plurality of hollow telescopic rods are evenly hinged on the outer wall of the cleaning box along the axial direction and the circumferential direction, the telescopic rods are communicated with the cleaning box, the free ends of the telescopic rods are provided with hairbrushes for cleaning impurities on the inner wall of the oil pipe, the cleaning box is rotationally connected with a rotating rod penetrating through the bottom of the cleaning box, the inner wall of the cleaning box is provided with a fan-shaped gear ring, the rotating rod is coaxially connected with a fan-shaped gear, the part of the rotating rod extending out of the bottom of the cleaning box is coaxially connected with a gear; the gas storage cylinder is located on two sides of the gear, the piston is connected to the gas storage cylinder in a sliding mode, a piston rod is connected to the piston, a rack is arranged on the piston rod and meshed with the gear, a gas outlet and a gas inlet are formed in the gas storage cylinder, the gas outlet is connected with a gas outlet pipe, the gas inlet is connected with a gas inlet pipe, check valves are arranged on the gas outlet pipe and the gas inlet pipe, heating wires are arranged in the gas outlet pipe, and the tail end of the gas outlet pipe is communicated with the inner.
The principle of the scheme is as follows: firstly, a fixing device is adapted to an oil pipe with a smaller inner diameter, then a cleaning device extends into the oil pipe, under the normal condition, the telescopic rod and the hairbrush on the telescopic rod are in a downward inclined state, the hairbrush on the telescopic rod is abutted against the inner side wall of the oil pipe, meanwhile, cleaning liquid is added into the cleaning box, then, the speed regulating motor is started, the speed regulating motor drives the rotating shaft to rotate, the cleaning box also rotates along with the rotating shaft, the cleaning liquid in the cleaning box firstly flows onto the hairbrush on the telescopic rod through the hollow telescopic rods on the two sides of the cleaning box, the cleaning liquid is adhered to the hairbrush, and in addition, the friction effect of the hairbrush and the inner wall of; meanwhile, the cleaning box rotates, the fan-shaped gear ring on the inner wall of the cleaning box also rotates, when the fan-shaped gear ring is meshed with the fan-shaped wheel, the rotating rod also starts to rotate, namely the rotating rod intermittently rotates, the rotating rod rotates to drive the helical blade to rotate, when the helical blade does not rotate, a relative rotation speed difference exists between the helical blade and the cleaning box, the cleaning liquid in the cleaning box can be stirred, the cleaning liquid can be better thrown onto the telescopic rod, the rotating rod rotates to drive the gear coaxially connected with the rotating rod to rotate, the gear rotates to drive the rack to move, the rack moves to drive the piston rod to move, the piston rod moves to enable the piston in the air storage cylinder to move, the piston compresses air, the air in the air storage cylinder is discharged to the side wall of the oil pipe through the air outlet pipe, when the air passes through the electric heating wire in the air outlet pipe, the electric heating wire heats, and redundant cleaning liquid can not be remained on the inner wall of the oil pipe.
When the oil pipe with the larger inner diameter of the oil pipe needs to be cleaned, the fixing device is adjusted to adapt to the oil pipe with the larger inner diameter, and then the partition plate slides towards the inner wall of the oil pipe, so that the partition plate is lengthened; then increase the rotational speed of speed governing motor, the rotational speed grow, and the centrifugal force that the brush on telescopic link and the telescopic link received also grow makes telescopic link and brush become the horizontality from the downward state of slope gradually, becomes great radius of rotation from original less diameter of rotation promptly to the oil pipe of the great internal diameter of adaptation.
And finally, manually adjusting the piston in the air storage cylinder to reset. And cleaning the oil pipes with different inner diameters.
The scheme has the advantages that: 1. different rotating speeds are generated by using the speed regulating motor, so that the hairbrush on the telescopic rod is subjected to centrifugal forces of different degrees, and the hairbrush rotates to form circles with different radiuses and sizes to adapt to oil pipes with different inner diameters. 2. Through hollow telescopic link and washing case intercommunication, the washing liquid that will wash the incasement passes through telescopic link flow direction brush, makes be stained with the washing liquid on the brush, and impurity and grease clean up in the oil pipe under the frictional combined action of washing liquid and brush and oil pipe lateral wall. 3. When wasing case pivoted, wash fan-shaped ring gear and sector gear meshing intermittently on the incasement wall, it also rotates intermittently simultaneously to drive helical blade, helical blade does not take place when rotating, it is poor to have a relative rotational speed with wasing the case, stir the washing liquid that washs the incasement, can get rid of the washing liquid better to the telescopic link on make the cleaning performance better, the rethread dwang, the gear, the rack, the piston rod, the linkage of piston, make the gas in the gas storage cylinder pass through outlet duct and power heating wire, access to the oil pipe lateral wall with the steam output, carry out the drying to unnecessary washing liquid.
Further optimize, fixing device includes the spout and is used for two gripper jaws of centre gripping oil pipe outer wall, gripper jaw sliding connection is in the spout. The outer diameters of different oil pipes are adapted by adjusting the positions of the clamping claws in the direction of the screw rod.
Further optimization, the clapboard is provided with air holes. The hot gas generated in the air storage cylinder can be communicated to the upper part of the clapboard from the lower part of the clapboard through the air holes on the clapboard, and the redundant cleaning liquid on the inner wall of the oil pipe above the clapboard can be dried.
Further preferably, the brush is detachably connected to the free end of the telescopic rod. The brush is convenient to detach after the brush cleans impurities and oil dirt in the oil pipe, and the brush is cleaned and replaced.
Further preferably, the partition plate is provided with a groove for collecting the cleaning liquid. The groove on the partition plate can collect redundant cleaning liquid and dry the redundant cleaning liquid through hot air.
Drawings
FIG. 1 is a schematic view of a smaller inner diameter of an oil pipe of an apparatus for cleaning the oil pipe according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention with a larger inner diameter of the tubing;
FIG. 3 is a schematic diagram of the structure of a gear, an air reservoir and a piston rod in the embodiment of the invention;
fig. 4 is a schematic view of the position relationship between the sector ring teeth and the sector gear in the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the cleaning device comprises a speed regulating motor 1, a rotating shaft 101, a cleaning box 2, an expansion link 21, a brush 22, a rotating rod 23, a partition plate 3, a groove 31, an air storage cylinder 4, a piston 41, a piston rod 42, a helical blade 5, a gear 6, an air outlet pipe 7, an air inlet pipe 71, an oil pipe 8, a sector gear ring 9, a sector gear 10, a clamping claw 11 and a sliding groove 12.
The embodiments are substantially as shown in figures 1 to 4 of the accompanying drawings: an equipment for cleaning oil pipe, comprising a fixing device and a cleaning device, wherein the cleaning device comprises a speed regulating motor 1, a cleaning box 2 and two air storage cylinders 4, an output shaft of the speed regulating motor 1 is connected with a rotating shaft 101, the rotating shaft 101 is connected with the cleaning box 2, the bottom end of the cleaning box 2 is provided with two telescopic clapboards 3, the clapboards 3 are symmetrically arranged along the central axis of the cleaning box 2, the outer wall of the cleaning box 2 is evenly hinged with six hollow telescopic rods 21 along the axial direction and the circumferential direction, the telescopic rods 21 are communicated with the cleaning box 2, the free end of the telescopic rods 21 is provided with a brush 22 for cleaning impurities on the inner wall of the oil pipe 8, a rotating rod 23 penetrating through the bottom of the cleaning box 2 is rotationally connected in the cleaning box 2, the inner wall of the cleaning box 2 is provided with a fan-shaped gear ring 9, the rotating rod 23 is coaxially connected with a, the part of the rotating rod 23 extending out of the bottom of the cleaning box 2 is coaxially connected with a gear 6; the air storage cylinders 4 are positioned on two sides of the gear 6, the pistons 41 are connected in the air storage cylinders 4 in a sliding mode, the pistons 41 are connected with piston rods 42, racks are arranged on the piston rods 42 and meshed with the gear 6, air outlets and air inlets are formed in the air storage cylinders 4, the air outlets are connected with air outlet pipes 7, the air inlets are connected with air inlet pipes 71, one-way valves are arranged on the air outlet pipes 7 and the air inlet pipes 71, and the opening direction of the one-way valves on the air outlet pipes 7 is from the inside of the air storage; the opening direction of the one-way valve on the air inlet pipe 71 is from the outside of the air storage cylinder 4 to the inside of the air storage cylinder 4, an electric heating wire is arranged in the air outlet pipe 7, and the tail end of the air outlet pipe 7 is communicated with the inner wall of the oil pipe 8.
In particular, the fixing means comprise a runner 12 and two clamping jaws 11 for clamping the outer wall of the oil pipe 8, the clamping jaws 11 being slidably connected within the runner 12. The clapboard 3 is provided with air holes. The brush 22 is attached to the free end of the telescopic rod 21 by a magnetic clasp. The partition 3 is provided with a groove 31 for collecting the cleaning liquid.
The specific operation steps of the scheme are as follows: firstly, the position of the clamping claw 11 in the sliding groove 12 is adjusted to adapt to an oil pipe 8 with a smaller inner diameter, then the cleaning device is stretched into the oil pipe 8, under normal conditions, the telescopic rod 21 and the brush 22 on the telescopic rod 21 are in a downward inclined state, the brush 22 on the telescopic rod 21 is abutted against the inner side wall of the oil pipe 8, meanwhile, cleaning liquid is added into the cleaning box 2, then the speed regulating motor 1 is started, the speed regulating motor 1 drives the rotating shaft 101 to rotate, the cleaning box 2 also rotates along with the rotating shaft 101, firstly, the cleaning liquid in the cleaning box 2 flows onto the brush 22 on the telescopic rod 21 through the hollow telescopic rods 21 on the two sides of the cleaning box 2, the brush 22 is stained with the cleaning liquid, and in addition, the friction effect of the brush 22 and the inner wall of the oil; meanwhile, the cleaning box 2 rotates, the sector-shaped gear ring 9 on the inner wall of the cleaning box 2 also rotates, when the sector-shaped gear ring 9 is meshed with the sector gear 10, the rotating rod 23 also starts to rotate, namely the rotating rod 23 intermittently rotates, the rotating rod 23 rotates to drive the spiral blade 5 to rotate, when the spiral blade 5 does not rotate, a relative rotating speed difference exists between the spiral blade and the cleaning box 2, cleaning liquid in the cleaning box 2 can be stirred, the cleaning liquid can be better thrown onto the telescopic rod 21, the rotating rod 23 rotates to drive the gear 6 coaxially connected with the rotating rod 23 to rotate, the gear 6 rotates to drive the rack to move, the rack moves to drive the piston rod 42 to move, the piston rod 42 moves to move the piston 41 in the air storage cylinder 4, the piston 41 compresses air, the air in the air storage cylinder 4 is discharged to the side wall of the oil pipe 8 through the air outlet pipe 7, when the air passes through, the heating wire heats the gas into hot air, the hot air rises through the air holes in the partition plate 3, the hot air can dry the residual cleaning liquid on the inner wall of the oil pipe 8, and no redundant cleaning liquid is left on the inner wall of the oil pipe 8.
When the oil pipe 8 with the larger inner diameter of the oil pipe 8 needs to be cleaned, the position of the clamping claw 11 in the sliding groove 12 is adjusted to adapt to the oil pipe 8 with the larger inner diameter, and then the partition plate 3 slides towards the inner wall of the oil pipe 8, so that the partition plate 3 is lengthened; then the rotating speed of the speed regulating motor 1 is increased, the rotating speed is increased, the centrifugal force applied to the telescopic rod 21 and the hairbrush 22 on the telescopic rod 21 is also increased, so that the telescopic rod 21 and the hairbrush 22 are gradually changed into a horizontal state from an inclined downward state, namely, the original small rotating diameter is changed into a large rotating radius, and the device is suitable for the oil pipe 8 with a large inner diameter.
And finally, manually adjusting the piston in the air storage cylinder to reset. And cleaning the oil pipes with different inner diameters.
The above are merely examples of the present invention, and common knowledge such as specific technical solutions known in the art is not described herein in an excessive amount. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The utility model provides an equipment for rinsing oil pipe, includes fixing device and belt cleaning device which characterized in that: the cleaning device comprises a speed regulating motor, a cleaning box and two air cylinders, wherein an output shaft of the speed regulating motor is connected with a rotating shaft, the rotating shaft is connected with the cleaning box, two retractable clapboards are arranged at the bottom end of the cleaning box, the partition plates are symmetrically arranged along the central axis of the cleaning box, a plurality of hollow telescopic rods are evenly hinged on the outer wall of the cleaning box along the axial direction and the circumferential direction, the telescopic rod is communicated with the cleaning box, the free end of the telescopic rod is provided with a brush for cleaning impurities on the inner wall of the oil pipe, a rotating rod penetrating through the bottom of the cleaning box is rotationally connected in the cleaning box, a fan-shaped gear ring is arranged on the inner wall of the cleaning box, the rotating rod is coaxially connected with a sector gear, the sector gear is meshed with a sector gear ring, one end of the rotating rod, which extends into the cleaning box, is provided with a helical blade, and the part of the rotating rod, which extends out of the bottom of the cleaning box, is coaxially connected with a gear; the gas storage cylinder is located on two sides of the gear, the piston is connected to the gas storage cylinder in a sliding mode, a piston rod is connected to the piston, a rack is arranged on the piston rod and meshed with the gear, a gas outlet and a gas inlet are formed in the gas storage cylinder, the gas outlet is connected with a gas outlet pipe, the gas inlet is connected with a gas inlet pipe, check valves are arranged on the gas outlet pipe and the gas inlet pipe, heating wires are arranged in the gas outlet pipe, and the tail end of the gas outlet pipe points to the inner wall.
2. The apparatus for cleaning oil pipe according to claim 1, wherein: the fixing device comprises a sliding groove and two clamping claws used for clamping the outer wall of the oil pipe, and the clamping claws are connected in the sliding groove in a sliding mode.
3. The apparatus for cleaning oil pipe according to claim 2, wherein: air holes are arranged on the partition board.
4. The apparatus for cleaning oil pipe according to claim 3, wherein: the brush is detachably connected to the free end of the telescopic rod.
5. The apparatus for cleaning oil pipe according to claim 4, wherein: the partition board is provided with a groove for collecting cleaning liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718886.1A CN108906792B (en) | 2018-06-29 | 2018-06-29 | Equipment for cleaning oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718886.1A CN108906792B (en) | 2018-06-29 | 2018-06-29 | Equipment for cleaning oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108906792A CN108906792A (en) | 2018-11-30 |
| CN108906792B true CN108906792B (en) | 2021-02-09 |
Family
ID=64423567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810718886.1A Active CN108906792B (en) | 2018-06-29 | 2018-06-29 | Equipment for cleaning oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108906792B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821826A (en) * | 2019-01-28 | 2019-05-31 | 江西理工大学 | A kind of heating and ventilating pipeline scale remove device |
| CN111069103A (en) * | 2019-12-11 | 2020-04-28 | 周静纯 | Mould hole rotation type descaling machine |
| CN112916528B (en) * | 2021-02-08 | 2023-02-28 | 宁夏振盐鑫盛通工贸有限公司 | A airtight belt cleaning device for oil-water well is restoreed and is maintained |
| CN114632812B (en) * | 2022-03-16 | 2024-04-05 | 重庆桂溪生态环境科技有限公司 | Soil remediation field operation medicament dosing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100753823B1 (en) * | 2007-05-30 | 2007-08-31 | 대지종건(주) | Method for removing scales sticked a pipe and lining renewal |
| CN204710804U (en) * | 2015-06-19 | 2015-10-21 | 常州腾跃不锈钢管有限公司 | A kind of seamless pipe cleaning device |
| CN207093114U (en) * | 2017-06-19 | 2018-03-13 | 阜宁县鑫虎机械有限公司 | A kind of environment-friendly type air duct for being easy to comprehensive cleaning |
-
2018
- 2018-06-29 CN CN201810718886.1A patent/CN108906792B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108906792A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108906792B (en) | Equipment for cleaning oil pipe | |
| CN206631990U (en) | A kind of integrated steel-wire cleaning drying device | |
| CN205518843U (en) | Warm incrustation scale clearing device of threading a pipe | |
| CN206184850U (en) | Screw thread belt cleaning device | |
| CN108325959A (en) | Robot cleaning arm for chemical industry equipment internal washing | |
| CN112923782A (en) | Scale cleaning device for hot water pipeline | |
| CN206731720U (en) | Inner-walls of duct cleaning device | |
| CN206131458U (en) | Automatic abluent boiler | |
| CN201235363Y (en) | Oil tube cleaning machine | |
| CN207614990U (en) | A kind of integrated breaking flushing drying unit for producing ammonia sulphur methyl esters and using | |
| CN215198393U (en) | Belt cleaning device is used in outer frame processing of car | |
| CN209279790U (en) | A kind of heat distribution pipeline cleaning device | |
| CN212857004U (en) | Pipeline inner wall belt cleaning device | |
| CN212633617U (en) | Anti-oxidation processing apparatus of stoving of copper line | |
| CN212370400U (en) | Cleaning device of sludge drying cyclone separator | |
| CN208373709U (en) | A kind of outer circulation camshaft cleaning machine | |
| CN207103342U (en) | Self-adapting pipe cleaning mechanism | |
| CN208742203U (en) | A kind of oil field heating furnace with dust-extraction unit | |
| CN202070521U (en) | Device for automatically cleaning oil extraction pipelines | |
| CN216553879U (en) | Wax deposition cleaning device for oil extraction gathering and transportation pipeline | |
| CN220211699U (en) | Cleaning device for casing processing | |
| CN218692270U (en) | Automatic ash removal device for conical dust removal pipeline | |
| CN113904622B (en) | Multifunctional new energy photovoltaic power generation device | |
| CN220738857U (en) | Heating pipe cleaning device of water bath constant temperature vibrator | |
| CN209324315U (en) | A kind of dedicated paraffin removal unit of flowing well oil pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: Room 7088-230, 7th floor, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee after: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Address before: 315000 room 9-5-070, No.8, 20, 32, Yangfan square, high tech Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO DESHEN MACHINERY EQUIPMENT Co.,Ltd. |