CN108821093B - Cast iron oil pan lifting appliance and use method thereof - Google Patents
Cast iron oil pan lifting appliance and use method thereof Download PDFInfo
- Publication number
- CN108821093B CN108821093B CN201810837326.8A CN201810837326A CN108821093B CN 108821093 B CN108821093 B CN 108821093B CN 201810837326 A CN201810837326 A CN 201810837326A CN 108821093 B CN108821093 B CN 108821093B
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- Prior art keywords
- oil pan
- cast iron
- adjusting
- block
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application discloses a cast iron oil pan lifting appliance which comprises a lifting rod, a connecting plate, lifting rings and locking blocks, wherein one end of the lifting rod is welded on the connecting plate, and the other end of the lifting rod is sleeved with the lifting rings; the locking block is arranged on the suspender and used for locking the suspension ring, and the lifting appliance also comprises an adjusting block and a balancing block; the connecting plate is of a U-shaped structure, the front ends of the vertical rods at the two sides of the connecting plate are respectively provided with a connecting hole, and the two connecting holes are respectively fixed with a positioning pin; one end of the suspender is welded and fixed with a cross rod of the connecting plate, and the other end of the suspender is provided with the adjusting block; the adjusting block is connected with the suspender in a sliding way; the balance block is provided with a through hole, and a bolt penetrates through the through hole and is fixed on the adjusting block; the hanging ring is sleeved on the hanging rod, and is arranged between the adjusting block and the connecting plate. The application has the advantages of simple structure, convenient use, safety, reliability, high hoisting efficiency and the like.
Description
Technical Field
The application relates to the technical field of engine assembly, in particular to a cast iron oil pan lifting appliance and a use method thereof.
Background
In the process of assembling an engine, when the cast iron oil pan is assembled, a lifting rope is sleeved at two ends of the cast iron oil pan and then lifted, after the cast iron oil pan is lifted onto a cylinder body, one end of the cast iron oil pan is lifted manually, the lifting rope at one end is taken down by matching two people, the lifting rope at the other end is taken down by the same method, and in the process of taking down the lifting rope and putting down the cast iron oil pan, the cast iron oil pan is required to be put as light as possible and prevented from sliding, so that sealing glue coated on the joint surface of the cylinder body in advance is prevented from being damaged. Cast iron oil pans are a common type of oil pan that weighs approximately 100 kg. During assembly, the shapes of the two ends of the cast iron oil pan are inconsistent, and the weights of the two ends are inconsistent, so that potential safety hazards exist that the balance is difficult to ensure after lifting and the cast iron oil pan easily slides down to the two ends. After the cast iron oil pan is hung on the cylinder body, two people are matched to manually lift the two ends of the cast iron oil pan to take down the lifting ropes, so that the labor is wasted, the labor intensity is high, and the assembly efficiency is low.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
The application aims to provide a tool for hoisting an engine cast iron oil pan conveniently, rapidly, safely and labor-saving and a use method thereof.
Preferably, the present application may further have the following technical features:
the lifting appliance for the cast iron oil pan comprises a lifting rod, a connecting plate, a lifting ring and a locking block, wherein one end of the lifting rod is welded on the connecting plate, and the other end of the lifting rod is sleeved with the lifting ring; the locking block is arranged on the suspender and used for locking the suspension ring, and the lifting appliance also comprises an adjusting block and a balancing block;
the connecting plate is of a U-shaped structure, the front ends of the vertical rods at the two sides of the connecting plate are respectively provided with a connecting hole, and the two connecting holes are respectively fixed with a positioning pin;
one end of the suspender is welded and fixed with a cross rod of the connecting plate, and the other end of the suspender is provided with the adjusting block; the adjusting block is connected with the suspender in a sliding way;
the balance block is provided with a through hole, and a bolt penetrates through the through hole and is fixed on the adjusting block;
the hanging ring is sleeved on the hanging rod, and is arranged between the adjusting block and the connecting plate.
Further, the hanging ring comprises a circular ring and an elliptical ring, and the circular ring and the elliptical ring are mutually buckled together.
Further, the locating pin is a stepped pin, the small end of the locating pin is provided with external threads, the locating pin is locked on the connecting plate by a nut, and the diameter of the external threads is smaller than or equal to that of the connecting hole.
Further, the big end of one locating pin is a round pin, and the big end of the other locating pin is a flat pin.
Further, the hanger rod further comprises a second locking bolt and a third locking bolt, wherein the adjusting block is provided with a third U-shaped groove, a third screw hole and a strip-shaped groove, and the third U-shaped groove is sleeved at the end part of the hanger rod; the third bolt passes through the balance block and is locked in the third screw hole; the suspender is provided with a second screw hole at a position corresponding to the strip-shaped groove, and a second bolt penetrates through the strip-shaped groove and is locked in the second screw hole.
Further, the balance adjusting block is fixed at the upper end of the balance block through a bolt and comprises a positioning plate, a gravity adjusting plate, an adjusting screw rod, a bridge-shaped connecting piece and a limiting shaft, wherein a stepped open slot is formed in the upper part of the positioning plate, and a positioning screw hole matched with the adjusting screw rod is formed in the end part of the positioning plate; the gravity adjusting plate is arranged on the step of the step opening groove in a sliding manner; the bridge-shaped connecting piece is provided with a through hole and is fixed at the end part of the gravity adjusting plate, the end part of the adjusting screw is provided with a shaft hole, the adjusting screw is screwed into the positioning screw hole and penetrates into the through hole of the bridge-shaped connecting piece, and the limiting shaft is assembled in the shaft hole at the end part of the adjusting screw.
A cast iron oil pan hoisting method comprises the following steps:
(1) Before hoisting, adjusting the positions of the hoisting ring and the adjusting block, fixing the hoisting ring by using a locking block, fixing the adjusting block by using a second bolt, preventing the hoisting ring and the adjusting block from sliding on the hoisting rod, and pre-adjusting the balance of the hoisting tool before and after hoisting by adding and subtracting the weight of the balancing block;
(2) During hoisting, a lifting hook of a crane is used for hooking the ring of the lifting ring, and then 2 guide rod round rods are respectively inserted into 2 cast iron oil pan mounting holes on the engine body;
(3) The suspender is grasped by hand, 2 positioning pins on a suspender connecting plate are respectively inserted into the bottom of the rear end of the cast iron oil pan, and the suspender and the oil pan are connected and fixed;
(4) The crane is utilized to slowly move the cast iron oil pan, the position of the cast iron oil pan is adjusted and corrected by hands, the connecting hole of the oil pan is aligned with the guide rod of the cast iron oil pan mounting hole on the machine body, the cast iron oil pan is kept in a horizontal state, the cast iron oil pan is downwards moved along the guide rod until the cast iron oil pan is attached to the connecting surface of the machine body, the guide rod is withdrawn, the cast iron oil pan is locked by the tightening bolt, and the hoisting of the cast iron oil pan is completed.
Further, in step 1, the balance of the lifting appliance can be finely adjusted by rotating the adjusting bolt to move the position of the gravity adjusting plate.
Further, the guide rod in the step 2 is a stepped round rod.
Compared with the prior art, the application has the beneficial effects that:
(1) The application has simple structure, convenient use, safety, reliability and high hoisting efficiency;
(2) Labor is saved, and one worker can finish lifting the oil pan;
(3) The balance weight, the adjusting block and the locking block are utilized to adjust the balance before and after lifting, so that the physical strength of workers is saved during lifting;
(4) The guide post positioning assembly is adopted, so that the damage to the precoated sealing glue on the mounting surface of the oil pan is avoided, and the assembly quality is ensured;
(5) The locating pin is divided into round pin and flat pin, and round pin cooperates with flat pin, can reduce the influence of error, improves assembly efficiency.
Drawings
FIG. 1 is a front view of the present spreader;
FIG. 2 is a left side view of the present spreader;
FIG. 3 is a cross-sectional view of the present spreader adjustment block;
FIG. 4 is a front view of the present spreader lock block;
FIG. 5 is a left side view of the present spreader lock block;
FIG. 6 is a schematic structural view of a balance adjustment block;
FIG. 7 is a schematic view of the structure of the positioning plate;
FIG. 8 is a side view of the bridge fitting;
fig. 9 is a front view of the bridge connector.
Detailed Description
The application will be described in further detail with reference to the following detailed description and with reference to the accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the application or its applications.
Non-limiting and non-exclusive embodiments will be described with reference to the following drawings, in which like reference numerals refer to like elements unless otherwise specified.
Referring to the cast iron oil pan lifting appliance shown in fig. 1-2, the cast iron oil pan lifting appliance comprises a lifting rod 2, a connecting plate 1, lifting rings and locking blocks 8, wherein the connecting plate 1 is of a U-shaped structure, connecting holes (13 and 14) are formed in the front ends of vertical rods on two sides of the connecting plate, and positioning pins are respectively fixed in the two connecting holes (13 and 14). One end of the suspender 2 and the cross rod of the connecting plate 1 are welded and fixed to form a T-shaped structure, the other end of the suspender 2 is provided with the adjusting block 6, and the balancing blocks 5 are connected in series through the third bolts 4 and then fixed on the adjusting block 6. The position of the hanging ring forms a 'called' structure between the adjusting block 6 and the connecting plate 1. The ring 3 and the oval 31 of the hanging ring are mutually buckled together, and the oval 31 is sleeved on the hanging rod 2 in a sliding way and can slide back and forth along the length direction of the hanging rod 2. During operation, the locating pin on the connecting plate 1 is used for connecting the cast iron oil pan, and the balance before and after lifting is improved by adjusting the positions of the adjusting block 6 and the lifting ring.
According to the improvement of the technical scheme, the positioning pin is divided into two sections which are connected into a step pin, the small end of the step pin is provided with external threads, the outer diameter of the external threads is matched with the diameter of the connecting holes (13, 14), the two positioning pins respectively penetrate through the connecting holes (13, 14) and are locked on the connecting plate 1 through the nuts 11, the flat pads 9 and the spring washers 10, and the connecting surface of the large end of the positioning pin is abutted against the connecting plate 1. The big end of one locating pin is the round pin, and the big end of another locating pin is the flat pin, can effectively reduce the error influence of locating pin and connecting hole (13, 14), has improved assembly efficiency.
Referring to fig. 3, the adjusting block 6 is longitudinally provided with a third U-shaped groove 23, the bottom of the third U-shaped groove 23 is provided with a third screw hole 22 coaxial with the third U-shaped groove, and the side wall of the third U-shaped groove 23 is provided with a transverse bar-shaped groove 21. The third U-shaped groove 23 is sleeved at the end part of the suspender 2 and can move back and forth on the suspender 2. The balance weight 5 is provided with a connecting hole matched with the third bolt 4, and the third bolt 4 passes through the connecting hole of the balance weight 5 and is locked in the third screw hole 22. The end of the boom 2 is provided with a second screw hole corresponding to the bar-shaped groove 21, and a second bolt 7 penetrates through the bar-shaped groove 21 and is locked in the second screw hole.
Referring to fig. 4 to 5, the locking block 8 is provided with two U-shaped grooves perpendicular to each other so as to be in a square stool shape. The first U-shaped groove 18 is sleeved on the suspender 2, and the opening of the first U-shaped groove faces upwards. The second U-shaped groove 19 is clamped on two sides of the elliptical ring 31 of the hanging ring, and the elliptical ring 31 is limited. The upper end of the locking block 8 is provided with a screw hole 20, and the axis of the screw hole 20 is vertical to the suspender 2. The locking block 8 is fastened to the boom 2 by bolts 12 passing through the screw holes. When the lifting device is used, the position of the lifting ring is adjusted according to the weight relation between the balance weight 5 and the cast iron oil pan so as to achieve the purpose that the lifting device is in a horizontal state when the cast iron oil pan is lifted.
The lifting appliance is also provided with a balance adjusting block for fine adjustment balance, the balance adjusting block is fixed at the upper end of the balance block 5 through a third bolt 4 and comprises a positioning plate 51, a gravity adjusting plate 52, an adjusting screw 55, a bridge-shaped connecting piece 53 and a limiting shaft 54, a stepped open slot 57 is formed in the upper part of the positioning plate 51, and a positioning screw hole 58 matched with the adjusting screw 55 is formed in the end part of the positioning plate 51; the stepped open slot is provided with a counter-sunk hole 56 opposite to the through hole of the balance weight 5, and the gravity adjusting plate is arranged on the steps of the stepped open slot in a sliding manner; the bridge-shaped connecting piece 53 is provided with a through hole 59 and is fixed at the end part of the gravity adjusting plate, the end part of the adjusting screw is provided with a shaft hole, the adjusting screw is screwed into the positioning screw hole and penetrates into the through hole of the bridge-shaped connecting piece, and the limiting shaft is assembled in the shaft hole at the end part of the adjusting screw. In fine tuning, the gravity adjusting plate 52 is pushed to move on the stroke of the stepped opening groove 57 by rotating the adjusting screw 55, and the adjusting screw 55 is rotatably connected with the gravity adjusting plate 52 due to the bridge-shaped connecting piece 53.
A cast iron oil pan hoisting method comprises the following steps:
(1) Before hoisting, the positions of the hoisting ring and the adjusting block 6 are adjusted, the hoisting ring is fixed by the locking block 8, the adjusting block 6 is fixed by the second bolt 7, the hoisting ring and the adjusting block 6 are prevented from sliding on the hoisting rod, and the balance of the hoisting tool before and after hoisting is adjusted in advance by adding and subtracting the weight of the balancing block 5; the balance of the lifting appliance can be finely adjusted by rotating the adjusting bolt 55 to move the position of the gravity adjusting plate 51;
(2) During hoisting, a lifting hook of a crane is used for hooking a ring 3 of a lifting ring, and then 2 stepped guide rod round rods are respectively inserted into 2 cast iron oil pan mounting holes on an engine body;
(3) The suspender is grasped by hand, 2 positioning pins on the suspender connecting plate 1 are respectively inserted into round holes at the bottom of the rear end of the cast iron oil pan, and the suspender is tightly connected with the cast iron oil pan through the 2 positioning pins; wherein, one locating pin is a round pin, and the other locating pin is a flat pin;
(4) The crane is utilized to slowly move the cast iron oil pan, the position of the cast iron oil pan is adjusted and corrected by hands, the connecting hole of the oil pan is aligned with the guide rod of the cast iron oil pan mounting hole on the machine body, the cast iron oil pan is kept in a horizontal state, the cast iron oil pan is downwards moved along the guide rod until the cast iron oil pan is attached to the connecting surface of the machine body, the guide rod is withdrawn, the cast iron oil pan is locked by the tightening bolt, and the hoisting of the cast iron oil pan is completed.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and that the examples and figures are presented for the purpose of describing one or more particular embodiments only.
While there have been described and illustrated what are considered to be example embodiments of the present application, it will be understood by those skilled in the art that various changes and substitutions can be made therein without departing from the spirit of the application. In addition, many modifications may be made to adapt a particular situation to the teachings of the application without departing from the central concept thereof as described herein. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the application and equivalents thereof.
Claims (7)
1. The lifting appliance for the cast iron oil pan comprises a lifting rod, a connecting plate, a lifting ring and a locking block, wherein one end of the lifting rod is welded on the connecting plate, and the other end of the lifting rod is sleeved with the lifting ring; the locking block is arranged on the suspender and is used for locking the suspension ring, and the locking block is characterized in that: the lifting appliance further comprises an adjusting block and a balancing block;
the connecting plate is of a U-shaped structure, the front ends of the vertical rods at the two sides of the connecting plate are respectively provided with a connecting hole, and the two connecting holes are respectively fixed with a positioning pin;
one end of the suspender is welded and fixed with a cross rod of the connecting plate, and the other end of the suspender is provided with the adjusting block; the adjusting block is connected with the suspender in a sliding way;
the balance block is provided with a through hole, and a bolt penetrates through the through hole and is fixed on the adjusting block;
the hanging ring is sleeved on the hanging rod and is arranged between the adjusting block and the connecting plate;
the balance adjusting block is fixed at the upper end of the balance block through a bolt and comprises a positioning plate, a gravity adjusting plate, an adjusting screw, a bridge-shaped connecting piece and a limiting shaft, wherein a stepped open slot is formed in the upper part of the positioning plate, and a positioning screw hole matched with the adjusting screw is formed in the end part of the positioning plate; the gravity adjusting plate is arranged on the step of the step opening groove in a sliding manner; the bridge-shaped connecting piece is provided with a through hole and is fixed at the end part of the gravity adjusting plate, the end part of the adjusting screw is provided with a shaft hole, the adjusting screw is screwed into the positioning screw hole and penetrates into the through hole of the bridge-shaped connecting piece, and the limiting shaft is assembled in the shaft hole at the end part of the adjusting screw;
the balance of the lifting appliance is finely adjusted by rotating the position of the gravity adjusting plate through the rotation of the adjusting bolt; during fine tuning, the gravity adjusting plate is pushed to move on the stroke of the stepped open slot by the rotating adjusting screw, and the rotating connection of the adjusting screw and the gravity adjusting plate is realized due to the arrangement of the bridge-shaped connecting piece.
2. A cast iron oil pan hanger as claimed in claim 1, wherein: the hanging ring comprises a circular ring and an elliptical ring, and the circular ring and the elliptical ring are mutually buckled together.
3. A cast iron oil pan hanger as claimed in claim 1, wherein: the locating pin is a stepped pin, the small end of the locating pin is provided with external threads, the locating pin is locked on the connecting plate by a nut, and the diameter of the external threads is smaller than or equal to that of the connecting hole.
4. A cast iron sump hanger according to claim 3, wherein: the big end of one locating pin is a round pin, and the big end of the other locating pin is a flat pin.
5. A cast iron oil pan hanger as claimed in claim 1, wherein: the adjusting block is provided with a third U-shaped groove, a third screw hole and a strip-shaped groove, and the third U-shaped groove is sleeved at the end part of the suspender; the third bolt passes through the balance block and is locked in the third screw hole; the suspender is provided with a second screw hole at a position corresponding to the strip-shaped groove, and a second bolt penetrates through the strip-shaped groove and is locked in the second screw hole.
6. A hoisting method for applying the cast iron oil pan hoisting tool of claim 1, characterized in that: the method comprises the following steps:
(1) Before hoisting, adjusting the positions of the hoisting ring and the adjusting block, fixing the hoisting ring by using a locking block, fixing the adjusting block by using a second bolt, preventing the hoisting ring and the adjusting block from sliding on the hoisting rod, and pre-adjusting the balance of the hoisting tool before and after hoisting by adding and subtracting the weight of the balancing block; the balance of the lifting appliance is finely adjusted by rotating the position of the gravity adjusting plate through the rotation of the adjusting bolt;
(2) During hoisting, a lifting hook of a crane is used for hooking the ring of the lifting ring, and then 2 guide rod round rods are respectively inserted into 2 cast iron oil pan mounting holes on the engine body;
(3) The suspender is grasped by hand, 2 positioning pins on a suspender connecting plate are respectively inserted into the bottom of the rear end of the cast iron oil pan, and the suspender and the oil pan are connected and fixed;
(4) The crane is utilized to slowly move the cast iron oil pan, the position of the cast iron oil pan is adjusted and corrected by hands, the connecting hole of the oil pan is aligned with the guide rod of the cast iron oil pan mounting hole on the machine body, the cast iron oil pan is kept in a horizontal state, the cast iron oil pan is downwards moved along the guide rod until the cast iron oil pan is attached to the connecting surface of the machine body, the guide rod is withdrawn, the cast iron oil pan is locked by the tightening bolt, and the hoisting of the cast iron oil pan is completed.
7. The cast iron oil pan hoisting method as claimed in claim 6, wherein: the guide rod in the step 2 is a stepped round rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837326.8A CN108821093B (en) | 2018-07-26 | 2018-07-26 | Cast iron oil pan lifting appliance and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837326.8A CN108821093B (en) | 2018-07-26 | 2018-07-26 | Cast iron oil pan lifting appliance and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108821093A CN108821093A (en) | 2018-11-16 |
| CN108821093B true CN108821093B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837326.8A Active CN108821093B (en) | 2018-07-26 | 2018-07-26 | Cast iron oil pan lifting appliance and use method thereof |
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| Country | Link |
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| CN (1) | CN108821093B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678993B (en) * | 2022-04-29 | 2022-12-23 | 南通金驰机电有限公司 | High-voltage motor cast iron machine base lifting ring structure |
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| CN106882699A (en) * | 2017-04-18 | 2017-06-23 | 广西玉柴机器股份有限公司 | The lifting tooling of cast iron oil sump |
| CN206872276U (en) * | 2017-05-19 | 2018-01-12 | 江西金品铜业科技有限公司 | A kind of copper rolls up suspender |
| CN208761983U (en) * | 2018-07-26 | 2019-04-19 | 广西玉柴机器股份有限公司 | A kind of cast iron oil sump suspender |
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2018
- 2018-07-26 CN CN201810837326.8A patent/CN108821093B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU647226A1 (en) * | 1977-08-15 | 1979-02-15 | Shevchenko Igor N | Fork-type load-engaging for cranes |
| JPH09278347A (en) * | 1996-04-15 | 1997-10-28 | Komatsu Kureedoru Kk | C-hook hanging accessory |
| JPH1087263A (en) * | 1996-09-18 | 1998-04-07 | Kawamura Kogyo Kk | Article hoisting accessory |
| NL1025588C1 (en) * | 2004-02-26 | 2005-08-29 | Safe B V | Table moulding for forming edges of concrete floor, has hook with telescopic arms and sliding weight for supporting it when being lifted by crane to floor above |
| CN201506671U (en) * | 2009-04-17 | 2010-06-16 | 林嘉宏 | Hanger |
| CN106115458A (en) * | 2016-06-23 | 2016-11-16 | 青岛海西重工有限责任公司 | Low-speed diesel engine bent axle overlaps Balame regulating device again |
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| CN106882699A (en) * | 2017-04-18 | 2017-06-23 | 广西玉柴机器股份有限公司 | The lifting tooling of cast iron oil sump |
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| CN108821093A (en) | 2018-11-16 |
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