CN102926924A - Hydraulic motor - Google Patents
Hydraulic motor Download PDFInfo
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- CN102926924A CN102926924A CN2012104472835A CN201210447283A CN102926924A CN 102926924 A CN102926924 A CN 102926924A CN 2012104472835 A CN2012104472835 A CN 2012104472835A CN 201210447283 A CN201210447283 A CN 201210447283A CN 102926924 A CN102926924 A CN 102926924A
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Abstract
The invention discloses a hydraulic motor for synchronously starting a marine engine and a full-automatic filter. The hydraulic motor for synchronously starting the marine engine and the full-automatic filter comprises a motor body, an end cover, a stator and a rotor, wherein an oil inlet joint and an oil outlet joint are arranged in the motor body, a cavity body which is arranged in the stator is divided into four oil storage cavities by two oil baffle plates arranged on the stator and two blades arranged on the rotor, diagonal oil storage chambers are communicated, and a three-position two-way change valve is arranged in the motor body. The three-position two-way change valve comprises a valve body and a valve rod, wherein an oil inlet line and oil outlet pipes are arranged in the valve body, the oil outlet lines are arranged on the two sides of the oil inlet line, an oil cavity is arranged in the valve body, one end of the oil inlet line and the oil outlet line is respectively communicated with the oil cavity, the oil inlet joint is communicated with the oil inlet line which is arranged on the three-position two-way change valve, the two oil outlet lines of the three-position two-way change valve are respectively communicated with two adjacent oil storage cavities which are arranged below the motor body and arranged in the stator through a transitional oil line which is arranged on the bottom portion of the motor body, and a reversing device which enables oil lines in the three-position two-way change valve to reverse to and for is further arranged in the motor body.
Description
(the original bill denomination of invention is oil hydraulic motor, the applying date to be that June 2, application number in 2011 are 201110147733.4)
Technical field
The present invention relates to a kind of usefulness oil hydraulic motor aboard ship.
Background technique
Most of power resources that full-automatic filter aboard ship is installed are motor or cylinder now, and the power resources of marine engine are oil pump.When real work, when starting oil pump and provide power for main frame, also need open the power supply on the full-automatic filter motor or open air-break switch on the full-automatic filter cylinder, can not accomplish synchronously, so that operate cumbersome.Because the power resources of marine engine are oil pumps, so the power supply on the ship is easy to produce potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is: the oil hydraulic motor that provides a kind of marine engine and full-automatic filter to start synchronously.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of oil hydraulic motor, comprise the motor body, be arranged on the end cap on the motor body, be arranged on the stator of motor body below and be arranged on the interior rotor of stator, be provided with fuel inlet fitting and delivery connection in the motor body, be provided with the oil baffle of two symmetries in the described stator, be provided with the blade of two symmetries on the rotor, two oil baffles and two blades are divided into four shoe cream rooms with the cavity in the stator, two shoe cream rooms at diagonal angle communicate by being arranged on epitrochanterian oil transportation channel respectively, be provided with three two way selected valves in the motor body, three two way selected valves comprise valve body and are slidingly arranged in the interior valve rod of valve body, be provided with in-line and the vent line that is arranged on the in-line both sides in the valve body, also be provided with the oil pocket that is communicated with the valve body two ends in the valve body, one end of in-line and vent line communicates with oil pocket respectively, valve rod is arranged in this oil pocket, be provided with two seal bosses on the valve rod, the outer surface of two seal bosses contacts with the inwall of oil pocket respectively, distance between in-line and the adjacent vent line is all less than the distance between two seal bosses, distance between two vent lines is greater than the distance between two seal bosses, fuel inlet fitting communicates with in-line on three two way selected valves, two vent lines of three two way selected valves respectively below the transition oil circuit by being arranged on motor body bottom and the motor body in the stator two adjacent shoe cream rooms communicate, also be provided with the reversing arrangement that can make three oil circuit reciprocating reversings in the two way selected valve in the motor body.
Two vent lines of described three two way selected valves respectively in the transition oil circuit by being arranged on motor body bottom and the motor body below stator two adjacent shoe cream rooms interlock and communicate, reversing arrangement comprises the Y shape shift fork that is arranged on motor body bottom by bearing, be fixed on U-shaped shifting block and the L shaped driving lever of rotor one end, wherein two of shift fork forks link to each other with the two ends of valve rod in three two way selected valves respectively, shifting block is positioned at the motor body, one end of driving lever rotates and is arranged on motor body bottom, the other end of driving lever is connected by spring with the other end of shift fork, be provided with little shifting block on the driving lever, one end of little shifting block is between two straightways of U-shaped shifting block, and the both sides of shift fork are respectively arranged with the limiting stopper that rotates be used to limiting L shaped driving lever;
Two vent lines of described three two way selected valves respectively in the transition oil circuit by being arranged on motor body bottom and the motor body below stator two adjacent shoe cream rooms interlock and communicate, reversing arrangement comprises the Y shape shift fork that is arranged on motor body bottom by bearing, be fixed on driving gear and the L shaped driving lever of rotor one end, wherein two of shift fork forks link to each other with the two ends of valve rod in three two way selected valves respectively, driving gear is positioned at the motor body, one end of driving lever rotates and is arranged on motor body bottom, the other end of driving lever is connected by spring with the other end of shift fork, be arranged with the driven gear that is meshed with driving gear on the rotor on the driving lever, the both sides of shift fork are respectively arranged with the limiting stopper that rotates be used to limiting L shaped driving lever;
Two vent lines of described three two way selected valves are two vertical communicating of adjacent shoe cream room in the stator below the transition oil circuit by being arranged on motor body bottom and the motor body respectively, reversing arrangement comprises the Y shape shift fork that is arranged on motor body bottom by bearing, be fixed on drive sprocket and the L shaped driving lever of rotor one end, wherein two of shift fork forks link to each other with the two ends of valve rod in three two way selected valves respectively, drive sprocket is positioned at the motor body, one end of driving lever rotates and is arranged on motor body bottom, the other end of driving lever is connected by spring with the other end of shift fork, be provided with driven sprocket on the driving lever, link to each other by chain between drive sprocket and the driven sprocket, the both sides of shift fork are respectively arranged with the limiting stopper that rotates be used to limiting L shaped driving lever;
The top of described three two way selected valves bolt that has been threaded is provided with stage clip in the bolt, be provided with ball between stage clip and the valve rod, and the valve rod in three two way selected valves is used for locating slot that ball is positioned along being provided with two on its circumferencial direction.
The invention has the beneficial effects as follows: after adopting the oil hydraulic motor of said structure, can make marine engine and oil hydraulic motor adopt same oil feed pump, can realize that marine engine and full-automatic filter start synchronously, and reduce unnecessary power supply, reduce potential safety hazard.
Description of drawings
Fig. 1 is the structural representation of the first mode of execution oil hydraulic motor of the present invention;
Fig. 2 is the plan view behind the removal end cap among Fig. 1;
Fig. 3 is A-A sectional view among Fig. 2;
Fig. 4 is the structural drawing after Fig. 3 oil circuit switches;
Fig. 5 is the part-structure schematic representation of Fig. 1;
Fig. 6 is the structural drawing of stator and rotor;
Fig. 7 is B-B sectional view among Fig. 6;
Fig. 8 is the explosive view of oil hydraulic motor of the present invention;
Fig. 9 is the structural representation of the second mode of execution of the present invention.
Among the figure: 1, the motor body, 2, end cap, 3, stator, 4, rotor, 5, fuel inlet fitting, 6, delivery connection, 7, oil baffle, 8, blade, 9, the first shoe cream room, 10, the first oil transportation channel, 11, valve body, 12, valve rod, 13, in-line, 14, the first vent line, 15, the second in-line, 16, oil pocket, 17, seal boss, 18, the second shoe cream room, 19, the 3rd shoe cream room, 20, the 4th shoe cream room, 21, the First Transition oil circuit, 22, the second transition oil circuit, 23, bearing, 24, shift fork, 25, shifting block, 26, driving lever, 27, spring, 28, little shifting block, 29, limiting stopper, 30, bolt, 31, stage clip, 32, ball, 33, the first locating slot, 34, the second locating slot, 35, the second oil transportation channel, 36, valve seat, 37, screw rod, 38, drive sprocket, 39, driven sprocket, 40, chain, 41, the oil-feed path.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
Such as Fig. 1, Fig. 2, Fig. 5, shown in Figure 8, a kind of oil hydraulic motor comprises motor body 1, be arranged on the end cap 2 on the motor body 1, be arranged on the stator 3 and the rotor 4 that is arranged in the stator 3 of motor body 1 below, be provided with fuel inlet fitting 5 and delivery connection 6 in the motor body 1, be provided with the oil baffle 7 of two symmetries in the stator 3, be provided with the blade 8 of two symmetries on the rotor 4.Such as Fig. 6, shown in Figure 7, two oil baffles 7 and two blades 8 are divided into four shoe cream rooms with the cavity in the stator 3---the first shoe cream room 9, the second shoe cream room 18, the 3rd shoe cream room 19, the 4th shoe cream room 20, two shoe cream rooms at diagonal angle communicate by the oil transportation channel that is arranged on the rotor 4 respectively, namely communicate by the second oil transportation channel 35 between the first shoe cream room 9 and the 3rd shoe cream room 19, communicate by the first oil transportation channel 10 between the second shoe cream room 18 and the 4th shoe cream room 20.Be provided with three two way selected valves by valve seat 36 in the motor body 1.As shown in Figure 3 and Figure 4, three two way selected valves comprise valve body 11 and the valve rod 12 that is slidingly arranged in the valve body 11, be provided with in-line 13 and the vent line---the first vent line 14 and the second vent line 15 that are arranged on in-line 13 both sides in the valve body 11, also be provided with the oil pocket 16 that is communicated with valve body 11 two ends in the valve body 11, one end of in-line 13, the first vent line 14 and the second vent line 15 communicates with oil pocket 16 respectively, valve rod 12 is arranged in this oil pocket 16, is provided with two seal bosses 17 on the valve rod 12.The outer surface of two seal bosses 17 contacts with the inwall of oil pocket 16 respectively.In order to guarantee that lubricant oil enters in the shoe cream room of stator 3 from a vent line, and the lubricant oil in stator 3 shoe cream rooms is got back in the cavity of motor body 1 from another vent line, distance between in-line 13 and the first vent line 14 or the second vent line 15 is all less than the distance between two seal bosses 17, and the distance between the first vent line 14 and the second vent line 15 is greater than the distance between two seal bosses 17.Fuel inlet fitting 5 communicates with in-line 13 in three two way selected valves by the oil-feed path 41 that is arranged in the motor body 1, one end of the second transition oil circuit 22 of motor body 1 bottom communicates with the second shoe cream room 18, and the valve seat 36 that the other end passes in the motor body 1 communicates with the first vent line 14 of three two way selected valves; One end of the First Transition oil circuit 21 of motor body 1 bottom communicates with the first shoe cream room 9, and the valve seat 36 that the other end passes in the motor body 1 communicates with the second vent line 15.Also be provided with the reversing arrangement that can make three oil circuit reciprocating reversings in the two way selected valve in the motor body 1.As shown in Figure 1, this reversing arrangement comprises by bearing 23 and is arranged on the Y shape shift fork 24 of motor body 1 bottom, the U-shaped shifting block 25 that is fixed on rotor 4 one ends and L shaped driving lever 26.Wherein two of shift fork 24 forks link to each other with the two ends of valve rod 12 in three two way selected valves respectively, and shifting block 25 is positioned at motor body 1, and an end of driving lever 26 rotates by screw rod 37 and is arranged on motor body 1 bottom, and driving lever 26 can rotate around screw rod 37.The other end of driving lever 26 is connected by spring 27 with the other end of shift fork 24, is provided with little shifting block 28 on the driving lever 26, and an end of little shifting block 28 is between two straightways of U-shaped shifting block 25, and namely U-shaped shifting block 25 can promote little shifting block 28 rotations.The both sides of shift fork 24 are respectively arranged with the limiting stopper 29 that rotates be used to limiting L shaped driving lever 26.In order to guarantee that further driving lever 26 can not drive shift fork 24 and rotate together in rotation process, at the top of three two way selected valves threaded connection bolt 30, be provided with stage clip 31 in the bolt 30, the valve rod 12 that is provided with between stage clip 31 and the valve rod 12 in 32, three two way selected valves of ball is used for locating slot---the first locating slot 33 and the second locating slot 34 that ball 32 is positioned along being provided with two on its circumferencial direction.The first locating slot 33 and the second locating slot 34 offer the position with valve rod 12 behind the location, in-line 13, oil pocket 16 are identical with the second vent line 15 threes, or in-line 13, oil pocket 16 and the first vent line 14 communicate.The effect of U-shaped shifting block 25 and little shifting block 28 is exactly to make rotor 4 and driving lever 26 backward rotation in the above-mentioned reversing arrangement, when actual production, also can utilize such as reversing drive structures such as a pair of gears to replace U-shaped shifting block 25 and little shifting block 28.
The second mode of execution of oil hydraulic motor of the present invention is identical with the first mode of execution general structure, as shown in Figure 9, its difference only is to communicate with the second shoe cream room 18 when an end of the second transition oil circuit 22 of motor body 1 bottom, and the valve seat 36 that the other end passes in the motor body 1 communicates with the second vent line 15 of three two way selected valves; One end of the First Transition oil circuit 21 of motor body 1 bottom communicates with the first shoe cream room 9, and the structure of the reversing arrangement the when the other end passes valve seat 36 in the motor body 1 and communicates from the first vent line 14 is different.Wherein reversing arrangement comprises by bearing 23 and is fixed on the Y shape shift fork 24 on motor body 1 bottom head covers, the drive sprocket 38 that is fixed on rotor 4 one ends and L shaped driving lever 26, wherein two of shift fork 24 forks link to each other with the two ends of valve rod 12 in three two way selected valves respectively, drive sprocket 38 is positioned at motor body 1, one end of driving lever 26 rotates and is arranged on motor body 1 bottom, the other end of driving lever 26 is connected by spring 27 with the other end of shift fork 24, be provided with driven sprocket 39 on the driving lever 26, link to each other by chain 40 between drive sprocket 38 and the driven sprocket 39.Driving lever 26 vertical section around driving lever 26 under the effect of driven sprocket 39 rotates.The both sides of shift fork 24 are respectively arranged with the limiting stopper 29 that rotates be used to limiting L shaped driving lever 26.The effect of drive sprocket 38, driven sprocket 39 and chain 40 is to make rotor 4 identical with the sense of rotation of driving lever 26 in the above-mentioned reversing arrangement.Certainly, when actual production also can with Timing Belt and synchronous pulley etc. in the same way transmission device replace.
The below introduces down its working principle in detail with the first mode of execution of oil hydraulic motor of the present invention: when marine engine will be worked, open oil feed pump, oil feed pump is to marine engine and oil hydraulic motor while fuel feeding, and marine engine and oil hydraulic motor are worked simultaneously.Such as Fig. 1, shown in Figure 3, the working procedure of oil hydraulic motor is: lubricant oil enters the in-line 13 of three two way selected valves from fuel inlet fitting 5, then the oil pocket 16 between two seal bosses 17 enters the first shoe cream room 9 through the second vent line 15 and First Transition oil circuit 21 from the valve rod 12, because communicate by the second oil transportation channel 35 between the first shoe cream room 9 and the 3rd shoe cream room 19, so the lubricant oil in the first shoe cream room 9 also enters the 3rd shoe cream room 19 by the second oil transportation channel 35 simultaneously.Along with constantly entering of lubricant oil, lubricant oil in the first shoe cream room 9 and the 3rd shoe cream room 19 is on the increase, thereby utilize blade 8 drive rotors 4 on the rotor 4 to rotate, the second shoe cream room 18 and the 4th shoe cream room 20 just diminish in the space under the rotation of rotor 4, lubricant oil in the 4th shoe cream room 20 just enters the second shoe cream room 18 by the first oil transportation channel 10, and the lubricant oil in the second shoe cream room 18 just flow in the motor bodies 1 by the oil pocket 16 of the first vent line 14 in 22 to three two way selected valves of the second transition oil circuit from seal boss 17 outsides, and the delivery connection 6 from the motor body 1 flows out at last.As shown in Figure 2, when rotor 4 rotates, the shifting block 25 of rotor 4 upper ends clockwise rotates, thereby the little shifting block 28 between drive shifting block 25 straightways and axially the rotating counterclockwise along screw rod 37 of driving lever 26, when an end of driving lever 26 is blocked by another limiting stopper 29, rotor 4 stops operating, and shift fork 24 center along Y shape shift fork 24 under the suitable effect of the spring 27 between shift fork 24 and the driving lever 26 clockwise rotates, shift fork 24 is when rotating, valve rod 12 moves under the effect of two forks of shift fork 24, thereby the oil circuit of realizing three two way selected valves switches, and namely in-line 13 communicates with the first vent line 14 by oil pocket 16---shown in Figure 4.In the process that above-mentioned oil circuit switches, the switched in opposite that turns on driving lever 26 of shifting block 25.After the oil circuit of three two way selected valves switches, in-line 13 communicates with the first vent line 14, and the flow direction of lubricant oil changes oil pocket 16 → the first vent lines 14 → the second transition oil circuits 22 → the second shoe cream rooms 18 → the first oil transportation channels 10 between in-line 13 → two seal bosses 17 → the 4th shoe cream room 20 into.The outflow process of lubricant oil is: the cavity → delivery connection 6 of oil pocket 16 → motor body 1 in the 3rd shoe cream room 19 → the second oil transportation channels 35 → the first shoe cream rooms 9 → First Transition oil circuit 21 → the second vent lines 15 → two seal bosses 17 outsides.After oil-feed and fuel-displaced oil circuit change, turning to original opposite of rotor 4, part in the reversing arrangement is reverse operation also, until an end of driving lever 26 and original limiting stopper 29 are collided, the oil circuit of three two way selected valves switches under the effect of shift fork 24 again, whole oil-feed and fuel-displaced oil circuit change again, so repeatedly, have realized the continuous operation of oil hydraulic motor.
Working principle and the first mode of execution of the second mode of execution of oil hydraulic motor of the present invention are roughly the same, its difference only is: the second vent line 15 communicates with the second shoe cream room 18 by the second transition oil circuit 22, the first vent line 14 communicates with the first shoe cream room 9 by First Transition oil circuit 21, and in the handoff procedure of three two way selected valve oil circuits, rotor 4 is identical with the sense of rotation of driving lever 26.The specific works process just repeats no more at this.
According to practical condition, also can adopt other structures so that rotor 4 is realized the oil circuit of three two way selected valves switches in rotation process, be connected by spring as between shifting block and the shift fork, in the both sides of shifting block or shift fork limiting stopper is set respectively and realizes.
Advantage of the present invention is: marine engine and oil hydraulic motor can adopt same oil feed pump, realize that marine engine and full-automatic filter start synchronously, and have reduced unnecessary power supply, have reduced potential safety hazard.Lubricant oil in the cavity through the motor body, can be lubricated three two way selected valves, driving lever, shift fork and shifting blocks that are positioned at the motor body in the process of circulation, has increased the flexibility of motor operations.
Claims (2)
1. oil hydraulic motor, comprise the motor body, be arranged on the end cap on the motor body, be arranged on the stator of motor body below and be arranged on the interior rotor of stator, be provided with fuel inlet fitting and delivery connection in the motor body, it is characterized in that: the oil baffle that is provided with two symmetries in the described stator, be provided with the blade of two symmetries on the rotor, two oil baffles and two blades are divided into four shoe cream rooms with the cavity in the stator, two shoe cream rooms at diagonal angle communicate by being arranged on epitrochanterian oil transportation channel respectively, be provided with three two way selected valves in the motor body, three two way selected valves comprise valve body and are slidingly arranged in the interior valve rod of valve body, be provided with in-line and the vent line that is arranged on the in-line both sides in the valve body, also be provided with the oil pocket that is communicated with the valve body two ends in the valve body, one end of in-line and vent line communicates with oil pocket respectively, valve rod is arranged in this oil pocket, be provided with two seal bosses on the valve rod, the outer surface of two seal bosses contacts with the inwall of oil pocket respectively, distance between in-line and the adjacent vent line is all less than the distance between two seal bosses, distance between two vent lines is greater than the distance between two seal bosses, fuel inlet fitting communicates with in-line on three two way selected valves, two vent lines of three two way selected valves respectively below the transition oil circuit by being arranged on motor body bottom and the motor body in the stator two adjacent shoe cream rooms communicate, also be provided with the reversing arrangement that can make three oil circuit reciprocating reversings in the two way selected valve in the motor body, two vent lines of described three two way selected valves are two vertical communicating of adjacent shoe cream room in the stator below the transition oil circuit by being arranged on motor body bottom and the motor body respectively, reversing arrangement comprises the Y shape shift fork that is arranged on motor body bottom by bearing, be fixed on drive sprocket and the L shaped driving lever of rotor one end, wherein two of shift fork forks link to each other with the two ends of valve rod in three two way selected valves respectively, drive sprocket is positioned at the motor body, one end of driving lever rotates and is arranged on motor body bottom, the other end of driving lever is connected by spring with the other end of shift fork, be provided with driven sprocket on the driving lever, link to each other by chain between drive sprocket and the driven sprocket, the both sides of shift fork are respectively arranged with the limiting stopper that rotates be used to limiting L shaped driving lever.
2. oil hydraulic motor according to claim 1, it is characterized in that: the top of described three two way selected valves bolt that has been threaded, be provided with stage clip in the bolt, be provided with ball between stage clip and the valve rod, the valve rod in three two way selected valves is used for locating slot that ball is positioned along being provided with two on its circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210447283.5A CN102926924B (en) | 2011-06-02 | 2011-06-02 | Hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210447283.5A CN102926924B (en) | 2011-06-02 | 2011-06-02 | Hydraulic motor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110147733 Division CN102230447B (en) | 2011-06-02 | 2011-06-02 | Hydraulic motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102926924A true CN102926924A (en) | 2013-02-13 |
| CN102926924B CN102926924B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210447283.5A Active CN102926924B (en) | 2011-06-02 | 2011-06-02 | Hydraulic motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102926924B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657917A (en) * | 1948-12-17 | 1951-09-26 | Oscar Adolf Granowski | Improvements in semi-rotary-liquid driven motors |
| CN2084998U (en) * | 1991-02-04 | 1991-09-18 | 颜建民 | Manually reset two position, three-way electromagnetic change valve |
| CN2479240Y (en) * | 2001-01-03 | 2002-02-27 | 叶少华 | Oscillating hydraulic motor |
| EP1475543A2 (en) * | 2003-05-08 | 2004-11-10 | Hense Systemtechnik GmbH & Co. KG | Vane actuator |
| EP2063086A1 (en) * | 2006-09-12 | 2009-05-27 | Honda Motor Co., Ltd | Engine with variable stroke characteristics |
-
2011
- 2011-06-02 CN CN201210447283.5A patent/CN102926924B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657917A (en) * | 1948-12-17 | 1951-09-26 | Oscar Adolf Granowski | Improvements in semi-rotary-liquid driven motors |
| CN2084998U (en) * | 1991-02-04 | 1991-09-18 | 颜建民 | Manually reset two position, three-way electromagnetic change valve |
| CN2479240Y (en) * | 2001-01-03 | 2002-02-27 | 叶少华 | Oscillating hydraulic motor |
| EP1475543A2 (en) * | 2003-05-08 | 2004-11-10 | Hense Systemtechnik GmbH & Co. KG | Vane actuator |
| EP2063086A1 (en) * | 2006-09-12 | 2009-05-27 | Honda Motor Co., Ltd | Engine with variable stroke characteristics |
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| Publication number | Publication date |
|---|---|
| CN102926924B (en) | 2015-04-08 |
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Denomination of invention: Hydraulic motor Effective date of registration: 20220214 Granted publication date: 20150408 Pledgee: China Construction Bank Zhangjiagang branch Pledgor: Zhangjiagang Shengmeiyi Machinery Co.,Ltd. Registration number: Y2022980001507 |