CN110127514B - Lifting appliance and lifting method for diesel engine cylinder sleeve - Google Patents
Lifting appliance and lifting method for diesel engine cylinder sleeve Download PDFInfo
- Publication number
- CN110127514B CN110127514B CN201910540937.0A CN201910540937A CN110127514B CN 110127514 B CN110127514 B CN 110127514B CN 201910540937 A CN201910540937 A CN 201910540937A CN 110127514 B CN110127514 B CN 110127514B
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- cylinder sleeve
- suspender
- lifting
- central
- circular tube
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/54—Internally-expanding grippers for handling hollow articles
- B66C1/56—Internally-expanding grippers for handling hollow articles for handling tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a diesel engine cylinder sleeve lifting appliance which comprises a lifting screw nut group, a central lifting rod, a balance frame assembly and a fixed cross rod assembly, wherein the center of the balance frame assembly is supported on the upper part of the central lifting rod in a vertically sliding manner, and the bottom of the central lifting rod is sealed through a blank cap. The fixed cross rod assembly passes through the lower ends of the cylinder sleeve and the central suspender and is fixedly connected with the cylinder sleeve. The outer end of the balance frame assembly uniformly abuts against the outer peripheral surface of the port at the upper end of the cylinder sleeve, and the limiting block transversely passes through the lower part of the center suspender and is vertically and fixedly connected with the lower part of the center suspender. The lifting method of the invention comprises the following steps: 1) the center suspender is arranged in the cylinder sleeve, 2) the balance frame component is arranged, 3) the excircle supporting component of the cylinder sleeve is propped against the peripheral surface of the upper end of the cylinder sleeve, and 4) the cylinder sleeve is lifted. The lifting appliance disclosed by the invention is simple in structure and good in universality. The cylinder sleeve is convenient and quick to hoist, the risk of collision damage of the cylinder sleeve is avoided, and the hoisting efficiency is improved.
Description
Technical Field
The invention relates to a special fixture for a diesel engine part, in particular to a special lifting appliance for a diesel engine cylinder sleeve and a lifting method, and belongs to the technical field of diesel engine manufacturing.
Background
The dynamic performance and safety of the diesel engine are key factors for ensuring the normal operation and prolonging the service life of the diesel engine, however, the important parts for directly determining the dynamic performance of the diesel engine are regarded as the structure of the combustion chamber, wherein the cylinder sleeve comprises a cylinder sleeve, the cylinder sleeve is a thin-wall cylinder part, the requirements on the dimensional accuracy, the form and position tolerance and the surface roughness of the processing are very high, and the processing can be completed by a plurality of working procedures. The cylinder sleeve is required to be carried for many times in the processing and assembling processes, the conventional lifting appliance is difficult to lift, if the cylinder sleeve is too easy to deform due to improper lifting, the cylinder sleeve is scrapped once deformed out of tolerance, the manufacturing cost of the whole machine is increased, and the delivery period is delayed. In the actual operation process of the diesel engine, the abrasion of the cylinder sleeve is a common problem common to various types of diesel engines, the incidence rate is extremely high, the targeted checking and maintenance are very important, the cylinder sleeve needs to be cleaned and maintained regularly, and the cylinder sleeve needs to be replaced when the abrasion of the cylinder sleeve is overlarge. Therefore, correct handling of the cylinder liners is a major problem to be solved in diesel engine manufacturing and operation.
Disclosure of Invention
The invention aims to provide a diesel engine cylinder sleeve lifting appliance and a lifting method which have the advantages of simple structure, convenience in operation and capability of preventing the cylinder sleeve from being deformed by force in the radial direction during lifting.
The invention is realized by the following technical scheme:
A lifting appliance for a cylinder sleeve of a diesel engine comprises a lifting screw nut group, a central lifting rod, a balance frame assembly and a fixed cross rod assembly, wherein the vertically arranged central lifting rod is made of rectangular steel pipes; the lifting screw nut group is transversely fixed at the upper end of the central suspender, the center of the transversely arranged balance frame assembly is supported at the upper part of the central suspender in a vertically sliding manner, and the bottom of the central suspender is sealed by a blank cap; the fixed cross rod assembly transversely passes through a cylinder sleeve sleeved outside the central suspender and the lower end of the central suspender and is fixedly connected with the cylinder sleeve; the outer end of the balance frame assembly uniformly abuts against the outer peripheral surface of the port at the upper end of the cylinder sleeve, and a limiting block positioned at the lower side of the balance frame assembly transversely passes through the lower part of the center suspender and is vertically and fixedly connected with the lower part of the center suspender.
The aim of the invention is further realized by the following technical scheme:
Further, the balancing stand assembly comprises a central rectangular sleeve, 4 upper cross rods and 4 movable cylinder sleeve excircle supporting assemblies, the central rectangular sleeve is movably sleeved on the central suspender, one ends of the 4 upper cross rods are mutually perpendicular to each other and fixed on the corresponding side surfaces of the central rectangular sleeve, and the cylinder sleeve excircle supporting assemblies are respectively sleeved on the other ends of the 4 upper cross rods. And a rubber pad is bonded on the lower side of the other end of the upper cross rod.
Further, the cylinder sleeve excircle supporting component comprises a sliding block, a butterfly bolt and a conical rubber block, wherein the upper part of the sliding block is slidably sleeved on the other end of the upper cross rod, and the lower end of the butterfly bolt screwed into the top of the sliding block is abutted against the upper side surface of the upper cross rod; the small end of the conical rubber block is embedded into one side of the lower part of the sliding block, which faces to the center suspender, and the jacking screw is screwed into one side of the lower part of the sliding block, which faces away from the center suspender, so that the small end of the conical rubber block is pushed to move towards the upper end direction of the cylinder sleeve, and the large end of the conical rubber block is abutted against the outer peripheral surface of the upper end of the cylinder sleeve.
Further, the fixed cross rod assembly comprises a fixed circular tube and 2 supporting circular tubes, the middle part of the fixed circular tube is vertically and fixedly connected with the lower end of the central suspender, inner walls at two ends of the fixed circular tube are respectively provided with internal threads with opposite rotation directions, one end of each of the 2 supporting circular tubes is respectively provided with external threads matched with the corresponding internal threads, and the end face at the other end of each supporting circular tube is vertically and fixedly connected with the baffle plate; the outer diameter of the supporting circular tube is smaller than a wall hole traversing the lower part of the cylinder sleeve.
A lifting method of a diesel engine cylinder liner lifting appliance comprises the following steps:
1) The center suspender is arranged in the cylinder sleeve
The central suspender and the fixed circular tube which are fixedly connected into a whole are suspended into the cylinder sleeve, when the fixed circular tube reaches the position of the wall hole, one end of the supporting circular tube is inserted into the cylinder sleeve from the outside of the wall holes at two sides of the cylinder sleeve respectively; rotating the supporting circular tube, so that an external thread at one end of the supporting circular tube is connected with an internal thread at the corresponding end of the fixed circular tube into a whole until the inner side of the baffle is abutted against the outer wall of the cylinder sleeve at the corresponding side;
2) Loading balance frame assembly
Firstly, moving the cylinder sleeve excircle supporting components at the outer ends of 4 upper cross rods of the balance frame component outwards, and sleeving a central rectangular sleeve of the balance frame component on the central suspender, wherein the central rectangular sleeve and the 4 upper cross rods slowly fall down until rubber pads at the lower sides of the other ends of the 4 upper cross rods fall on the upper end ports of the cylinder sleeves;
3) The cylinder sleeve outer circle supporting component is abutted against the outer circumferential surface of the upper end of the cylinder sleeve
Moving each sliding block along the upper cross rod towards the central suspender until the large end face of the conical rubber block at the lower part of each sliding block is abutted against the outer peripheral surface of the upper end of the cylinder sleeve; then, the positions of the slide blocks are fixed by respectively screwing the butterfly bolts on the slide blocks, and then, the jacking screws at the lower parts of the slide blocks are respectively screwed, so that the large end face of each conical rubber block is abutted against the corresponding peripheral face of the upper end of the cylinder sleeve, and the connection between the diesel engine cylinder sleeve lifting tool and the cylinder sleeve is completed;
4) Lifting cylinder sleeve
And (3) enabling the lifting steel wire rope to pass through a lifting screw nut group at the upper end of the central suspender, and lifting the lifting steel wire rope by lifting a lifting hook, so that the cylinder sleeve can be lifted.
The lifting appliance adopts the structures of the central lifting rod, the balance frame component and the fixed cross rod component, and has simple structure and convenient use. The lifting method comprises the steps of transversely penetrating a fixed cross rod assembly through a cylinder sleeve sleeved outside a central suspender and the lower end of the central suspender, then falling a balance frame assembly on the top end of the cylinder sleeve, moving a cylinder sleeve excircle supporting assembly in four directions until the large end face of a conical rubber block abuts against the outer wall of the cylinder sleeve, fixing a sliding block on a required upper cross rod position, and preventing the cylinder sleeve from inclining and shifting in the lifting process. The cylinder sleeve only receives axial force in the lifting process, and does not generate radial force which leads the cylinder sleeve to be easy to deform. The lifting is convenient and quick, the risk of collision damage of the cylinder sleeve is avoided, and the lifting efficiency is improved. The invention can be suitable for lifting cylinder liners used by various machine types without replacing parts, and has good universality.
Advantages and features of the invention will be illustrated and explained by the following non-limiting description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a cylinder liner handling;
Fig. 3 is an enlarged sectional view of A-A of fig. 1.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3, the invention comprises a lifting screw nut group 1, a central suspender 2, a balance frame assembly 3 and a fixed cross rod assembly 4, wherein the central suspender 2 is vertically arranged and is made of rectangular steel pipes. The bottom of the central boom 2 is closed by a closure cap 21. Rust or other impurities falling from the rust wire rope or the lifting hook in the lifting process can be collected, and can be prevented from falling to the scavenging box and the oil pan along the cylinder sleeve 10 to pollute the lubricating oil system in the diesel engine. The lifting screw nut group 1 is transversely fixed at the upper end of the center suspender 2, and a lifting structure for installing lifting shackle at the upper end of the center suspender 2 can also be adopted.
The horizontal balancing stand assembly 3 is used for guaranteeing balance of the cylinder sleeve 10 in the process of lifting the cylinder sleeve 10, and comprises a central rectangular sleeve 31, 4 upper cross rods 32 and 4 movable cylinder sleeve outer circle supporting assemblies 33, wherein the central rectangular sleeve 31 is movably sleeved on the central suspender 2, one ends of the 4 upper cross rods 32 are welded and fixed on corresponding side surfaces of the central rectangular sleeve 31 in a mutually perpendicular mode, and the cylinder sleeve outer circle supporting assemblies 33 are respectively sleeved on the other ends of the 4 upper cross rods 32.
The cylinder sleeve outer circle supporting component 33 comprises a sliding block 331, a butterfly bolt 332 and a conical rubber block 333, wherein the end face of the sliding block 331 is in a T shape with a big upper part and a small lower part, the upper part of the sliding block is slidably sleeved on the other end of the upper cross rod 32, and the lower end of the butterfly bolt 332 screwed into the top of the sliding block 331 is abutted against the upper side face of the upper cross rod 32, so that the sliding block 331 is fixed on the upper cross rod 32. The rubber pad 321 is adhered to the lower side of the other end of the upper cross bar 32, and the thickness of the rubber pad 321 in this embodiment is 2mm, so as to avoid scratches caused by the fact that the lower side of the other end of the upper cross bar 32 directly contacts with the edge of the upper end port of the cylinder sleeve 10.
As shown in fig. 3, the small end of the conical rubber block 333 is embedded into one side of the lower part of the slider 331 facing the center boom 2, and the jacking screw 334 is screwed into one side of the lower part of the slider facing away from the center boom 2, so that the small end of the conical rubber block 333 is pushed to move towards the outer peripheral surface of the upper end of the cylinder liner 10, and the large end of the conical rubber block 333 abuts against the outer peripheral surface of the upper end of the cylinder liner 10, thereby preventing the cylinder liner 10 from tilting and shifting during the lifting process.
A limiting block 5 positioned on the lower side of the balance frame assembly 3 transversely passes through the lower part of the center suspender 2 and is vertically welded and fixed with the lower part of the center suspender 2. The limiting block 5 is used for preventing the balancing stand component 3 from sliding down to the lowest position due to self gravity under the non-working state, when the balancing stand component 3 is used, the balancing stand component 3 needs to be lifted to the working position, the workload is increased, the fixing position of the limiting block 5 is determined according to the height of the minimum cylinder sleeve required to be lifted, namely, after the minimum cylinder sleeve is fixedly supported, the top surface of the limiting block 5 is slightly lower than the top end position of the cylinder sleeve 10.
The fixed cross rod assembly 4 transversely passes through the cylinder sleeve sleeved outside the central suspender and the lower end of the central suspender 2 and is fixedly connected with the cylinder sleeve 10. The fixed cross rod assembly 4 comprises a fixed circular tube 41 and 2 supporting circular tubes 42, the middle part of the fixed circular tube 41 is vertically welded with the lower end of the central suspender 2, the inner walls of the two ends of the fixed circular tube 41 are respectively provided with internal threads with opposite rotation directions, one end of each of the 2 supporting circular tubes 42 is respectively provided with external threads matched with the corresponding internal threads, and the end face of the other end of the supporting circular tube 42 is vertically and fixedly connected with the baffle 43; the support tube 42 has an outer diameter less than the wall aperture 101 extending through the lower portion of the cylinder liner 10 to facilitate passage of the support tube 42 through the wall aperture 101.
The lifting method of the diesel engine cylinder sleeve lifting appliance comprises the following steps:
1) The central suspender 2 is arranged in the cylinder sleeve 10
The central suspender 2 and the fixed circular tube 41 which are fixedly connected into a whole are suspended in the cylinder sleeve 10, when the fixed circular tube 41 reaches the position of the wall hole 101 as seen from the wall hole 101 at the lower part of the cylinder sleeve 10, one end of the supporting circular tube 42 is inserted into the cylinder sleeve 10 from the outside of the wall holes 101 at two sides of the cylinder sleeve 10 respectively. The supporting circular tube 42 is rotated, so that the external thread at one end of the supporting circular tube 42 is connected with the internal thread at the corresponding end of the fixed circular tube 41 into a whole until the inner side of the baffle 43 abuts against the outer wall of the cylinder sleeve 10 at the corresponding side.
2) Incorporating a balancing stand assembly 3
The cylinder sleeve excircle supporting components 33 at the outer ends of the 4 upper cross rods 32 of the balance frame component 3 are moved outwards, then the 3-center rectangular sleeve 31 of the balance frame component is sleeved on the center suspender 2, the center rectangular sleeve 31 and the 4 upper cross rods 32 slowly fall down until the rubber pads 334 at the lower sides of the other ends of the 4 upper cross rods 32 fall on the upper end ports of the cylinder sleeve 10
3) The cylinder sleeve outer circumference supporting member 33 is abutted against the outer circumference surface of the upper end of the cylinder sleeve 10
Each slider 331 is moved along the respective upper cross bar 32 toward the center boom 2 until the large end face of the tapered rubber block 333 of the lower portion of each slider 331 abuts against the outer peripheral face of the upper end of the cylinder liner 10. Then, the butterfly bolts 332 on the sliding blocks 331 are respectively screwed down to fix the positions of the sliding blocks 331, and then the jacking screws 334 at the lower parts of the sliding blocks 331 are respectively screwed down to enable the large end faces of the conical rubber blocks 333 to be abutted against the corresponding peripheral faces of the upper ends of the cylinder liners 10, so that the connection between the diesel engine cylinder liner lifting tool and the cylinder liners 10 is completed.
5) Lifting cylinder sleeve 10
The lifting steel wire rope passes through the lifting screw nut group 1 at the upper end of the central suspender 2, and the lifting hook rises to tighten the lifting steel wire rope, so that the cylinder sleeve 10 can be lifted.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (4)
1. The utility model provides a diesel engine cylinder liner hoist which characterized in that: the lifting screw comprises a lifting screw nut group, a central suspender, a balance frame assembly and a fixed cross rod assembly, wherein the vertically arranged central suspender is made of rectangular steel pipes; the lifting screw nut group is transversely fixed at the upper end of the central suspender, the center of the transversely arranged balance frame assembly is supported at the upper part of the central suspender in a vertically sliding manner, and the bottom of the central suspender is sealed by a blank cap; the fixed cross rod assembly transversely passes through a cylinder sleeve sleeved outside the central suspender and the lower end of the central suspender and is fixedly connected with the cylinder sleeve; the outer end of the balance frame assembly uniformly abuts against the outer peripheral surface of the port at the upper end of the cylinder sleeve, and a limiting block positioned at the lower side of the balance frame assembly transversely passes through the lower part of the center suspender and is vertically and fixedly connected with the lower part of the center suspender;
The balancing stand assembly comprises a central rectangular sleeve, 4 upper cross rods and 4 movable cylinder sleeve outer circle supporting assemblies, the central rectangular sleeve is movably sleeved on the central suspender, one ends of the 4 upper cross rods are mutually and vertically fixed on the corresponding side surfaces of the central rectangular sleeve, and the cylinder sleeve outer circle supporting assemblies are respectively sleeved on the other ends of the 4 upper cross rods;
The fixed cross rod assembly comprises a fixed circular tube and 2 supporting circular tubes, the middle part of the fixed circular tube is vertically and fixedly connected with the lower end of the central suspender, inner walls of two ends of the fixed circular tube are respectively provided with internal threads with opposite rotation directions, one end of each of the 2 supporting circular tubes is respectively provided with external threads matched with the corresponding internal threads, and the end face of the other end of the supporting circular tube is vertically and fixedly connected with the baffle; the outer diameter of the supporting circular tube is smaller than a wall hole traversing the lower part of the cylinder sleeve.
2. The diesel cylinder liner hanger of claim 1, wherein: the cylinder sleeve excircle supporting component comprises a sliding block, a butterfly bolt and a conical rubber block, wherein the upper part of the sliding block is slidably sleeved on the other end of the upper cross rod, and the lower end of the butterfly bolt screwed into the top of the sliding block is abutted against the upper side surface of the upper cross rod; the small end of the conical rubber block is embedded into one side of the lower part of the sliding block, which faces to the center suspender, and the jacking screw is screwed into one side of the lower part of the sliding block, which faces away from the center suspender, so that the small end of the conical rubber block is pushed to move towards the upper end direction of the cylinder sleeve, and the large end of the conical rubber block is abutted against the outer peripheral surface of the upper end of the cylinder sleeve.
3. The diesel cylinder liner hanger of claim 1, wherein: and a rubber pad is bonded on the lower side of the other end of the upper cross rod.
4. A method of using the diesel cylinder liner hanger of claim 1, characterized by: the method comprises the following steps:
1) The center suspender is arranged in the cylinder sleeve,
The central suspender and the fixed circular tube which are fixedly connected into a whole are suspended into the cylinder sleeve, when the fixed circular tube reaches the position of the wall hole, one end of the supporting circular tube is inserted into the cylinder sleeve from the outside of the wall holes at two sides of the cylinder sleeve respectively; rotating the supporting circular tube, so that an external thread at one end of the supporting circular tube is connected with an internal thread at the corresponding end of the fixed circular tube into a whole until the inner side of the baffle is abutted against the outer wall of the cylinder sleeve at the corresponding side;
2) The balance frame component is arranged in the balance frame,
Firstly, moving the cylinder sleeve excircle supporting components at the outer ends of 4 upper cross rods of the balance frame component outwards, and sleeving a central rectangular sleeve of the balance frame component on the central suspender, wherein the central rectangular sleeve and the 4 upper cross rods slowly fall down until rubber pads at the lower sides of the other ends of the 4 upper cross rods fall on the upper end ports of the cylinder sleeves;
3) The cylinder sleeve excircle supporting component is abutted against the outer peripheral surface of the upper end of the cylinder sleeve,
Moving each sliding block along the upper cross rod towards the central suspender until the large end face of the conical rubber block at the lower part of each sliding block is abutted against the outer peripheral surface of the upper end of the cylinder sleeve; then, the positions of the slide blocks are fixed by respectively screwing the butterfly bolts on the slide blocks, and then, the jacking screws at the lower parts of the slide blocks are respectively screwed, so that the large end face of each conical rubber block is abutted against the corresponding peripheral face of the upper end of the cylinder sleeve, and the connection between the diesel engine cylinder sleeve lifting tool and the cylinder sleeve is completed;
4) Lifting the cylinder sleeve,
And (3) enabling the lifting steel wire rope to pass through a lifting screw nut group at the upper end of the central suspender, and lifting the lifting steel wire rope by lifting a lifting hook, so that the cylinder sleeve can be lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540937.0A CN110127514B (en) | 2019-06-21 | 2019-06-21 | Lifting appliance and lifting method for diesel engine cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540937.0A CN110127514B (en) | 2019-06-21 | 2019-06-21 | Lifting appliance and lifting method for diesel engine cylinder sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110127514A CN110127514A (en) | 2019-08-16 |
| CN110127514B true CN110127514B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540937.0A Active CN110127514B (en) | 2019-06-21 | 2019-06-21 | Lifting appliance and lifting method for diesel engine cylinder sleeve |
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| Country | Link |
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| CN (1) | CN110127514B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6227587B1 (en) * | 2000-02-07 | 2001-05-08 | Emma Dee Gray | Combined well casing spider and elevator |
| CN202201621U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Lifting tool for engine cylinder body |
| CN204778351U (en) * | 2015-07-06 | 2015-11-18 | 中船动力有限公司 | Cylinder jacket lifting device |
| CN105197765A (en) * | 2015-10-13 | 2015-12-30 | 中船动力有限公司 | Tooling and method for slantly lifting piston assembly |
| CN205855774U (en) * | 2016-06-22 | 2017-01-04 | 陕西陕煤黄陵矿业有限公司 | Diesel engine cylinder liner of diesel locomotive suspender |
| CN208054732U (en) * | 2017-12-27 | 2018-11-06 | 沪东重机有限公司 | A kind of tool for cylinder jacket of diesel engine lifting |
| CN210103297U (en) * | 2019-06-21 | 2020-02-21 | 中船动力有限公司 | Diesel engine cylinder liner hanger |
-
2019
- 2019-06-21 CN CN201910540937.0A patent/CN110127514B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6227587B1 (en) * | 2000-02-07 | 2001-05-08 | Emma Dee Gray | Combined well casing spider and elevator |
| CN202201621U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Lifting tool for engine cylinder body |
| CN204778351U (en) * | 2015-07-06 | 2015-11-18 | 中船动力有限公司 | Cylinder jacket lifting device |
| CN105197765A (en) * | 2015-10-13 | 2015-12-30 | 中船动力有限公司 | Tooling and method for slantly lifting piston assembly |
| CN205855774U (en) * | 2016-06-22 | 2017-01-04 | 陕西陕煤黄陵矿业有限公司 | Diesel engine cylinder liner of diesel locomotive suspender |
| CN208054732U (en) * | 2017-12-27 | 2018-11-06 | 沪东重机有限公司 | A kind of tool for cylinder jacket of diesel engine lifting |
| CN210103297U (en) * | 2019-06-21 | 2020-02-21 | 中船动力有限公司 | Diesel engine cylinder liner hanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110127514A (en) | 2019-08-16 |
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