CN101862951B - Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine - Google Patents
Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine Download PDFInfo
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- CN101862951B CN101862951B CN2010101461755A CN201010146175A CN101862951B CN 101862951 B CN101862951 B CN 101862951B CN 2010101461755 A CN2010101461755 A CN 2010101461755A CN 201010146175 A CN201010146175 A CN 201010146175A CN 101862951 B CN101862951 B CN 101862951B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 66
- 230000035939 shock Effects 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 78
- 238000010586 diagram Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to an assembling and disassembling device of a camshaft shock absorber flange of marine low-speed diesel engine, which comprises a piston installation plate, a piston and a guide ring, wherein a plurality of pressure cavities as piston cylinders are uniformly arranged on the annular piston installation plate, a round hole which is matched with the diameter of the end part of the piston is arranged at the bottom of each pressure cavity, the two adjacent pressure cavities are communicated through a connecting hole, the lateral surface of the piston is in a cross shape, the piston is installed in the pressure cavities, and one end of the piston penetrates through the round hole at the bottom of each pressure cavity; the guide ring is fixed at one side of the piston installation plate to limit the moving distance of the piston, and the other end of the piston penetrates through a guide hole on the guide ring; and the assembling and disassembling device cooperates with camshaft radial hydraulic oil to finish the assembling and disassembling work of the camshaft shock absorber flange. The device and the method solve the problem of difficulties existing in installing the camshaft shock absorber flange only by means of manpower and ensure that the camshaft shock absorber flange has simple assembly and disassembly and easy operation.
Description
Technical Field
The invention relates to a marine diesel engine, in particular to a mounting and dismounting device and a mounting and dismounting method for a camshaft damper flange of a marine low-speed diesel engine.
Background
Camshaft bumper shock absorber flange is the shaft coupling between camshaft and the camshaft bumper shock absorber, and the shaft coupling is adorned the camshaft through this instrument on, simultaneously with the bumper shock absorber between with tight fit bolted connection. After the camshaft is adjusted in the cam box, the coupling is installed, then the shock absorber is installed, and finally the shock absorber is fixed with the coupling. The camshaft damper is mounted in the diesel engine in the position shown in fig. 1. In the current technology, it is very difficult to install the shock absorber flange only by manpower, and it is also impossible to install the shock absorber flange by a hot-sleeving or cold-sleeving method because the material of the liner is cork rubber plate, and the liner cannot recover the original shape after being cooled or heated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a novel assembling and disassembling device and an assembling and disassembling method for a camshaft damper flange of a marine low-speed diesel engine. The device and the method are used for solving the problem that the camshaft shock absorber flange is difficult to install only by manpower, so that the camshaft shock absorber flange is simple to assemble and disassemble and easy to operate.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the handling device is characterized by comprising a piston mounting plate, a piston and a guide ring, wherein a plurality of pressure cavities serving as piston cylinders are uniformly arranged on the annular piston mounting plate, round holes matched with the diameters of the end parts of the piston are formed in the bottoms of the pressure cavities, except the space between a head pressure cavity and a tail pressure cavity, two adjacent pressure cavities are communicated through a connecting hole, an oil inlet port hole formed in the head pressure cavity is connected with a first high-pressure oil pump to receive pressure oil, and a discharge hole formed in the tail pressure cavity is provided with a discharge screw;
the number of the pistons is equal to that of the pressure cavities on the piston mounting plate, the side surfaces of the pistons are in a shape like a Chinese character 'zhong', the middle axis part of the pistons is provided with a middle through hole, the pistons are mounted in the pressure cavities, and one end of each piston penetrates through a round hole at the bottom of each pressure cavity;
the guide ring is provided with a guide hole matched with the diameter of the end part of the piston, the guide ring is fixed on one side of the piston mounting plate to limit the moving distance of the piston, and the other end of the piston penetrates through the guide hole on the guide ring.
A method for mounting a camshaft damper flange of a marine low-speed diesel engine by using the loading and unloading device comprises the following steps:
2a, cleaning contact surfaces of a damper flange, a lining, a camshaft and a piston mounting plate;
2b, marking a position X away from the end face of the camshaft, wherein the position X is 35mm for a heavy shock absorber X and 50mm for a light shock absorber X, respectively installing a lining and a shock absorber flange on the camshaft, wherein the lining is installed at the marked position, the shock absorber flange is sleeved on the outer side face of the lining, oil holes communicated with the inside and the outside are arranged in the radial direction of the shock absorber flange, screw holes are arranged on the outer side face of the shock absorber flange, and then an oil nozzle capable of being connected with a second high-pressure oil pump is fixedly connected to the position of the oil hole of the shock absorber flange;
2c, opening a discharge screw on the assembling and disassembling device, penetrating a middle through hole of a piston on the assembling and disassembling device through a fixing screw to be fixed in a screw hole of the shock absorber flange, and screwing down the fixing screw for fixing the assembling and disassembling device and the shock absorber flange to keep the distance between the assembling and disassembling device and the shock absorber flange unchanged;
2d, connecting the first high-pressure oil pump to an oil inlet interface hole of the head pressure cavity, starting the first high-pressure oil pump until pressure oil flows out of a discharge screw hole, closing a discharge screw, connecting another path of high-pressure oil to an oil inlet hole on a shock absorber flange, starting the second high-pressure oil pump generating the another path of high-pressure oil until the high-pressure oil overflows from a position between the bushing and the connection surface of the shock absorber flange, and simultaneously adjusting the first high-pressure oil pump of the mounting tool to slowly increase the oil pressure at the oil inlet interface hole of the head pressure cavity so as to push a piston to move in the pressure cavity;
2e, when the piston moves to the tail end of the camshaft to complete the installation of the camshaft damper flange, firstly releasing the oil pressure of the damper flange on the bushing, and slowly reducing the oil pressure of the assembling and disassembling device after about 30 seconds;
and 2f, successively removing the first high-pressure oil pump and the second high-pressure oil pump, and rechecking the value of X to determine that the first high-pressure oil pump and the second high-pressure oil pump meet the installation size.
A method for disassembling a camshaft shock absorber flange of a marine low-speed diesel engine by using the loading and unloading device comprises the following steps:
3a, fixing an oil nozzle which can be connected with a second high-pressure oil pump at the position of the oil hole of the shock absorber flange;
3b, fixing screws penetrate through the middle through holes of the pistons on the assembling and disassembling device and are fixed in screw holes of the shock absorber flange, and the fixing screws for fixing the assembling and disassembling device and the shock absorber flange are screwed down, so that the distance between the assembling and disassembling device and the shock absorber flange is kept unchanged;
3c, opening a discharge screw on the assembling and disassembling device, starting the first high-pressure oil pump until oil seeps out from a discharge hole on the piston mounting plate, and closing the discharge screw;
and 3d, starting the second high-pressure oil pump until oil on the damper flange overflows from the space between the lining and the damper flange, keeping the state in the whole dismounting process, slowly reducing the oil pressure of the first high-pressure oil pump connected with the dismounting device, and slowly moving the damper flange to the right until all pistons are extracted, namely driving the damper flange to move outwards.
Based on the technical scheme, compared with the prior art, the assembling and disassembling device and the assembling and disassembling method for the camshaft damper flange of the marine low-speed diesel engine have the following advantages:
1. the assembling and disassembling device is specially designed for the shock absorber flange, and strong push-pull force is generated by utilizing a hydraulic principle, so that the shock absorber flange is pulled to generate axial movement, and the assembling and disassembling operation of the shock absorber flange is slowly realized.
2. In the process of mounting and dismounting the camshaft damper flange of the marine low-speed diesel engine, high-pressure hydraulic oil is injected from the damper flange in the axial direction in addition to the mounting and dismounting device, so that a layer of oil film is formed between the damper flange and the camshaft, and the mounting and dismounting of the damper flange are simpler and easier.
Drawings
FIG. 1 is a schematic diagram of the installation position of a camshaft damper flange of a marine low-speed diesel engine on a diesel engine.
FIG. 2 is a schematic side view of the mounting and dismounting device of the camshaft damper flange of the marine low-speed diesel engine.
Fig. 3 is a schematic structural diagram of a piston mounting plate in the assembling and disassembling device of the flange of the camshaft damper of the marine low-speed diesel engine according to the invention.
Fig. 4a is a schematic connection diagram between a second high-pressure oil pump and a damper flange in the installation process of the marine low-speed diesel engine camshaft damper flange.
FIG. 4b is a schematic diagram of the connection between the first high-pressure oil pump and the pressure chamber on the piston mounting plate during the installation of the flange of the camshaft damper of the marine low-speed diesel engine according to the invention.
Fig. 5a is a schematic connection diagram between a second high-pressure oil pump and a damper flange in the process of dismounting the camshaft damper flange of the marine low-speed diesel engine according to the invention.
FIG. 5b is a schematic diagram of the connection between the first high-pressure oil pump and the pressure chamber on the piston mounting plate in the process of disassembling the flange of the camshaft damper of the marine low-speed diesel engine according to the invention.
Wherein,
1-piston mounting plate 11-head pressure chamber 12-tail pressure chamber 2-piston 3-guide ring 4-lifting ring 5-relief screw 6-fixing screw A-camshaft B-shock absorber flange B1-oil hole B2-screw hole C-bush D-oil nipple E-first high-pressure oil pump F-second high-pressure oil pump
Detailed Description
The mounting device and the mounting and dismounting method of the camshaft damper flange of a marine low-speed diesel engine according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, so as to clearly and clearly express the structure and the using process of the mounting and dismounting device of the present invention, but the protection scope of the present invention is not limited thereby.
Specific structure of the assembling and disassembling device for the flange of the camshaft shock absorber of the marine low-speed diesel engine can be seen from fig. 2 and 3, fig. 2 is a side view structural schematic diagram of the assembling and disassembling device for the flange of the camshaft shock absorber of the marine low-speed diesel engine, and fig. 3 is a structural schematic diagram of a piston mounting plate in the assembling and disassembling device for the flange of the camshaft shock absorber of the marine low-speed diesel engine. As can be seen from the figure, the mounting and dismounting device for the camshaft shock absorber flange of the marine low-speed diesel engine mainly comprises a piston mounting plate 1, a piston 2 and a guide ring 3.
A plurality of pressure cavities used as piston cylinders are uniformly arranged on the annular piston mounting plate 1, in the specific application, 8 cavities are generally selected, and other numbers of cavities can be selected. The bottom of foretell pressure chamber is equipped with the round hole with piston tip diameter matched with, except between leading portion pressure chamber 11 and the afterbody pressure chamber 12, all through the connecting hole intercommunication between two adjacent pressure chambers, the first high-pressure oil pump is connected in order to receive pressure oil in the oil feed interface hole that leading portion pressure chamber 11 was equipped with, and the last bleed hole that is equipped with of afterbody pressure chamber 12 is installed the screw of bleeding, as shown in fig. 3. Thus, when pressure oil is injected into the pressure chambers in the piston mounting plate 1, it is possible to flow from one pressure chamber to the adjacent pressure chamber until all pressure chambers are filled. Conversely, the reverse operation is also true for pumping pressure oil.
The number of the pistons is equal to that of the pressure cavities on the piston mounting plate, the side surfaces of the pistons are in a shape like a Chinese character 'zhong', the middle axis part of the pistons is provided with a middle through hole, the pistons are mounted in the pressure cavities, and one end of each piston penetrates through a round hole at the bottom of each pressure cavity;
the guide ring 3 is provided with a guide hole matched with the diameter of the end part of the piston, the guide ring is fixed on one side of the piston mounting plate to limit the moving distance of the piston, and the other end of the piston penetrates through the guide hole on the guide ring.
After the guide ring is fixed on the piston mounting plate through a screw at one side of an opening of the pressure cavity, two ends of a piston positioned in the pressure cavity of the piston mounting plate extend out of a round hole at the bottom of the pressure cavity and the guide hole in the guide ring, the part with the larger diameter in the middle of the piston is limited in the pressure cavity, and the piston can move within the range of the pressure cavity due to the fact that the depth of the pressure cavity is larger than the width in the middle of the middle-shaped piston. When hydraulic oil is injected into one side of the piston in the pressure cavity, the piston is pushed to slowly move towards the other side along with the increase of the pressure, and then the end part of the piston can generate a large pulling force or pushing force.
In order to facilitate the transportation and installation of the loading and unloading device, a lifting ring 4 is also designed at the top of the device.
When the loading and unloading device is applied to the installation process of the camshaft damper flange of the marine low-speed diesel engine, as shown in two figures of fig. 4a and 4b, the operation is carried out according to the following method:
a method for mounting a camshaft damper flange of a marine low-speed diesel engine by using the loading and unloading device comprises the following steps:
2a, cleaning contact surfaces of a damper flange B, a bushing C, a camshaft A and a piston mounting plate 1, wherein the contact surfaces are neat, so that resistance can be reduced, and smoothness during sliding is improved;
2B, marking a position X away from the end face of the camshaft, respectively installing a bush C and a damper flange B on the camshaft A, wherein the bush C is installed at the marked position, the damper flange B is sleeved on the outer side face of the bush C, an oil hole B1 for communicating the inside and the outside is arranged in the radial direction of the damper flange B, a screw hole B2 is arranged on the outer side face of the damper flange B, and then fixedly connecting an oil nozzle D which can be connected with a second high-pressure oil pump F to the position of an oil hole B1 of the damper flange B, wherein the distance X is 35mm for a heavy damper X and 50mm for a light damper X;
2c, opening a discharge screw 5 on the handling device, penetrating a middle through hole of a piston on the handling device through a fixing screw 6, fixing the discharge screw in a screw hole B2 of the shock absorber flange B, and screwing the fixing screw 6 for fixing the handling device and the shock absorber flange B to keep the distance between the handling device and the shock absorber flange B;
2d, connecting the first high-pressure oil pump E to an oil inlet interface hole of the head pressure cavity 11, starting the first high-pressure oil pump E until pressure oil flows out of a discharge screw hole and then closing a discharge screw 5, connecting the other path of high-pressure oil to an oil hole B1 on the radial direction of the shock absorber flange, starting the second high-pressure oil pump F until the high-pressure oil overflows from the joint surface between the bushing C and the shock absorber flange B, and simultaneously adjusting the first high-pressure oil pump E of the mounting tool to slowly increase the oil pressure at the oil inlet interface hole of the head pressure cavity 11, so that the oil pressure flowing into the pressure cavity in the piston mounting plate 1 is gradually increased, thereby pushing the piston to move in the pressure cavity;
2e, when the piston moves to the tail end of the camshaft A to complete the installation of the camshaft damper flange B, firstly releasing the oil pressure between the bush C and the damper flange B, and slowly reducing the oil pressure of the assembling and disassembling device after about 30 seconds;
and 2f, successively removing the first high-pressure oil pump and the second high-pressure oil pump, and rechecking the value of X to determine that the first high-pressure oil pump and the second high-pressure oil pump meet the installation size.
When the loading and unloading device is applied to the process of disassembling the camshaft damper flange of the marine low-speed diesel engine, as shown in two figures of 5a and 5b, the operation is carried out according to the following method:
a method for disassembling a camshaft shock absorber flange of a marine low-speed diesel engine by using the loading and unloading device comprises the following steps:
3a, fixing a nozzle D which can be connected with a second high-pressure oil pump F at the position of an oil hole B1 of the damper flange B;
3B, fixing screws 6 penetrate through the middle through holes of the pistons on the assembling and disassembling device and are fixed in screw holes of the shock absorber flange B, and the fixing screws 6 for fixing the assembling and disassembling device and the shock absorber flange B are screwed;
3c, opening a discharge screw 5 on the handling device, starting the first high-pressure oil pump E until oil seeps out of the discharge hole, and closing the discharge screw 5;
3d, starting a second high-pressure oil pump F connected to the damper flange B until high-pressure oil overflows from the position between the lining C and the damper flange B, keeping the state in the whole disassembly process, starting a first high-pressure oil pump E, reversely extracting the hydraulic oil, slowly reducing the oil pressure in the disassembly device, and slowly moving the damper flange to the right until all pistons are extracted.
It goes without saying that the above is only a specific embodiment of the invention, and that the structure of the handling device according to the invention is subject to other forms of substitution and replacement, and that the method of mounting and dismounting is not limited to the above-described steps. In summary, the scope of the invention is intended to encompass other variations and alternatives that will be apparent to those skilled in the art.
Claims (3)
1. A loading and unloading device for a camshaft shock absorber flange of a marine low-speed diesel engine is characterized by comprising a piston mounting plate, a piston and a guide ring, wherein a plurality of pressure cavities serving as piston cylinders are uniformly arranged on the annular piston mounting plate, round holes matched with the diameters of the end parts of the piston are formed in the bottoms of the pressure cavities, except the space between a head pressure cavity and a tail pressure cavity, two adjacent pressure cavities are communicated through connecting holes, an oil inlet port hole formed in the head pressure cavity is connected with a first high-pressure oil pump to receive pressure oil, and a discharge hole formed in the tail pressure cavity is provided with a discharge screw;
the number of the pistons is equal to that of the pressure cavities on the piston mounting plate, the side surfaces of the pistons are in a shape like a Chinese character 'zhong', the middle axis part of the pistons is provided with a middle through hole, the pistons are mounted in the pressure cavities, and one end of each piston penetrates through a round hole at the bottom of each pressure cavity;
the guide ring is provided with a guide hole matched with the diameter of the end part of the piston, the guide ring is fixed on one side of the piston mounting plate to limit the moving distance of the piston, and the other end of the piston penetrates through the guide hole on the guide ring.
2. The method for mounting a camshaft damper flange of a marine low-speed diesel engine using the handling device of claim 1, wherein the method comprises the steps of:
2a, cleaning contact surfaces of a damper flange, a lining, a camshaft and a piston mounting plate;
2b, marking a position X away from the end face of the camshaft, wherein the position X is 35mm for a heavy shock absorber X and 50mm for a light shock absorber X, respectively installing a lining and a shock absorber flange on the camshaft, wherein the lining is installed at the marked position, the shock absorber flange is sleeved on the outer side face of the lining, oil holes communicated with the inside and the outside are arranged in the radial direction of the shock absorber flange, screw holes are arranged on the outer side face of the shock absorber flange, and then an oil nozzle capable of being connected with a second high-pressure oil pump is fixedly connected to the position of the oil hole of the shock absorber flange;
2c, opening a discharge screw on the assembling and disassembling device, penetrating a middle through hole of a piston on the assembling and disassembling device through a fixing screw to be fixed in a screw hole of the shock absorber flange, and screwing down the fixing screw for fixing the assembling and disassembling device and the shock absorber flange to keep the distance between the assembling and disassembling device and the shock absorber flange unchanged;
2d, connecting the first high-pressure oil pump to an oil inlet interface hole of the head pressure cavity, starting the first high-pressure oil pump until pressure oil flows out of a discharge screw hole, closing a discharge screw, connecting another path of high-pressure oil to an oil hole on a shock absorber flange, starting the second high-pressure oil pump generating the another path of high-pressure oil until the high-pressure oil overflows from a position between the bushing and the shock absorber flange connecting surface, and simultaneously adjusting the first high-pressure oil pump of the mounting tool to slowly increase the oil pressure at the oil inlet interface hole of the head pressure cavity, so that the oil pressure flowing into a pressure cavity in the piston cylinder is gradually increased, thereby pushing the piston to move in the pressure cavity;
2e, when the piston moves to the tail end of the camshaft to complete the installation of the camshaft damper flange, firstly releasing the oil pressure of the damper flange on the bushing, and slowly reducing the oil pressure of the assembling and disassembling device after about 30 seconds;
and 2f, successively removing the first high-pressure oil pump and the second high-pressure oil pump, and rechecking the value of X to determine that the first high-pressure oil pump and the second high-pressure oil pump meet the installation size.
3. The method for disassembling the camshaft shock absorber flange of the marine low-speed diesel engine by using the handling device as claimed in claim 1, wherein the method comprises the steps of:
3a, fixing an oil nozzle which can be connected with a second high-pressure oil pump at the position of the oil hole of the shock absorber flange;
3b, fixing screws penetrate through the middle through holes of the pistons on the assembling and disassembling device and are fixed in screw holes of the shock absorber flange, and the fixing screws for fixing the assembling and disassembling device and the shock absorber flange are screwed down, so that the distance between the assembling and disassembling device and the shock absorber flange is kept unchanged;
3c, opening a discharge screw on the assembling and disassembling device, starting the first high-pressure oil pump until oil seeps out from a discharge hole on the piston mounting plate, and closing the discharge screw;
and 3d, starting the second high-pressure oil pump until oil on the damper flange overflows from the space between the lining and the damper flange, keeping the state in the whole dismounting process, slowly reducing the oil pressure of the first high-pressure oil pump connected with the mounting and dismounting device, and slowly moving the damper flange to the right until all pistons are extracted, namely driving the damper flange to move outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101461755A CN101862951B (en) | 2010-04-14 | 2010-04-14 | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101461755A CN101862951B (en) | 2010-04-14 | 2010-04-14 | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine |
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| Publication Number | Publication Date |
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| CN101862951A CN101862951A (en) | 2010-10-20 |
| CN101862951B true CN101862951B (en) | 2011-12-07 |
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| CN2010101461755A Active CN101862951B (en) | 2010-04-14 | 2010-04-14 | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181861B (en) * | 2016-08-12 | 2018-03-16 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
| CN110450091B (en) * | 2019-08-22 | 2024-09-10 | 江苏核电有限公司 | Disassembling tool and disassembling method for power station diesel engine on-board pump gear |
| CN111300018B (en) * | 2020-03-26 | 2021-12-14 | 中车青岛四方机车车辆股份有限公司 | Coupling press-fitting device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1057226A1 (en) * | 1982-08-27 | 1983-11-30 | Волгоградский Филиал Центрального Конструкторско-Технологического Бюро Государственного Комитета Ссср По Производственно-Техническому Обеспечению Сельского Хозяйства | Apparatus for assembling and disassembling press-fitted joints |
| CN101186011A (en) * | 2007-11-22 | 2008-05-28 | 大连市高昌机器制造有限公司 | Bearing detaching device |
| CN101323350A (en) * | 2008-06-25 | 2008-12-17 | 沪东重机有限公司 | Method and apparatus for detaching shrinkage disk from shaft |
| CN201291372Y (en) * | 2008-10-28 | 2009-08-19 | 鞍钢股份有限公司 | Hydraulic dismounting taper hole bearing device |
-
2010
- 2010-04-14 CN CN2010101461755A patent/CN101862951B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1057226A1 (en) * | 1982-08-27 | 1983-11-30 | Волгоградский Филиал Центрального Конструкторско-Технологического Бюро Государственного Комитета Ссср По Производственно-Техническому Обеспечению Сельского Хозяйства | Apparatus for assembling and disassembling press-fitted joints |
| CN101186011A (en) * | 2007-11-22 | 2008-05-28 | 大连市高昌机器制造有限公司 | Bearing detaching device |
| CN101323350A (en) * | 2008-06-25 | 2008-12-17 | 沪东重机有限公司 | Method and apparatus for detaching shrinkage disk from shaft |
| CN201291372Y (en) * | 2008-10-28 | 2009-08-19 | 鞍钢股份有限公司 | Hydraulic dismounting taper hole bearing device |
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| CN101862951A (en) | 2010-10-20 |
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