CN107676368A - Quick detachable self-locking couples mill drive axle construction - Google Patents
Quick detachable self-locking couples mill drive axle construction Download PDFInfo
- Publication number
- CN107676368A CN107676368A CN201711064942.6A CN201711064942A CN107676368A CN 107676368 A CN107676368 A CN 107676368A CN 201711064942 A CN201711064942 A CN 201711064942A CN 107676368 A CN107676368 A CN 107676368A
- Authority
- CN
- China
- Prior art keywords
- jaw
- driving shaft
- endoporus
- oil filler
- axle sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 238000003801 milling Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 40
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/023—Shafts; Axles made of several parts, e.g. by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to a kind of quick detachable self-locking to couple mill drive axle construction, belongs to a kind of driving member of steel mill's milling equipment.The present invention is arranged at the jaw of both ends of main drive shaft including driving shaft and socket, and axle sleeve is also socketed between driving shaft and jaw, and inner hole of shaft sleeve is connected with cylindrical be interference fitted using hot assembly of driving shaft, and axle sleeve male cone (strobilus masculinus) forms self-locking with jaw endoporus and is connected；Sealing ring is provided between axle sleeve male cone (strobilus masculinus) and jaw endoporus, forms hydraulic fluid chamber, jaw is provided with the oil filler point of connection hydraulic fluid chamber.When needing to separate jaw, pressure oil is injected into jaw by oil filler point, axial thrust is produced in hydraulic fluid chamber, jaw is successfully displaced outwardly and is separated, convenient disassembly is quick when power transmission shaft changes jaw.
Description
Technical field
The present invention relates to a kind of quick detachable self-locking to couple mill drive axle construction, belongs to one kind of steel mill's milling equipment
The final drive shaft of driving member, specifically milling train.
Background technology
Different according to the type of milling train, its active shaft diameter is about φ 280mm~380mm, length is about 4.0m~5.5m,
Suitable draw ratio is about 14.5, and to support protruding parts to demarcate as long short end, length ratio is approximately 1.92:1.Both sides diameter of axle phase
Together, it is identical with jaw installation dimension；Material selection forges high strength alloy steel BS970 824M31, and material composition and performance are such as
Under：(material normative reference BS970Part3:1991) tensile strength >=850MPa；Yield strength >=635MPa；Elongation >=
13%；Normal temperature impact value >=35J；Hardness range 248HB~302HB.The material market is expensive, milling train at work due to
The damage of the part, replacement cost is very high, in actual use, it is easier to the jaw for both ends of damage, because of the course of work
In by periodicity torsion and impulsive force, easily wear or be broken.
Conventional mill drive axle has monoblock type and separate type at present, if using monoblock type, final drive shaft material closes to be high
Jin Gang, driving shaft and jaw overall weight weight, material price is expensive, and integral replacing is costly after jaw failure.And separate type
Using two kinds of different materials, the driving shaft being easily damaged is high-alloy steel materials, and the jaw of damage easy to wear is medium carbon steel, price
Relatively cheap, both couple mainly by hot jacket, couple for hot jacket, when jaw wears or fracture needs to change, propeller shaft yoke
Head separates difficulty with driving shaft, and it is low that efficiency is changed in maintenance, it is difficult to meets allegro production requirement.
The content of the invention
The technical problems to be solved by the invention are：A kind of high intensity requirement that can either meet power transmission shaft is provided, and just
In maintenance and cost-effective quick detachable self-locking connection mill drive axle construction.
The technical solution adopted for the present invention to solve the technical problems is：Quick detachable self-locking couples mill drive axle knot
Structure, including driving shaft and socket are arranged at the jaw of both ends of main drive shaft, are also socketed with axle sleeve between driving shaft and jaw, in axle sleeve
Hole is connected with cylindrical be interference fitted using hot assembly of driving shaft, and axle sleeve male cone (strobilus masculinus) forms self-locking with jaw endoporus and is connected；Axle
Sealing ring is provided between set male cone (strobilus masculinus) and jaw endoporus, forms hydraulic fluid chamber, jaw is provided with the oiling of connection hydraulic fluid chamber
Hole.When needing to separate jaw, pressure oil is injected into jaw by oil filler point, axial thrust is produced in hydraulic fluid chamber, is made
Jaw can successfully be displaced outwardly and be separated, and when power transmission shaft changes jaw, convenient disassembly is quick.
It is further：Hydraulic fluid chamber includes the spiral groove for being arranged at jaw endoporus, and sealing ring is arranged at spiral shape
For groove close to one end of active axis center, oil filler point is arranged at the both ends of spiral groove.
It is further：Hydraulic fluid chamber includes the cavity being arranged between jaw endoporus bottom surface and driving shaft outer face.
It is further：Hydraulic fluid chamber includes being arranged at the spiral groove of jaw endoporus, is arranged at jaw endoporus bottom surface
With the cavity between driving shaft outer face；Sealing ring is arranged at spiral groove close to one end of active axis center；Oil filler point bag
The first oil filler point, the second oil filler point and the 3rd oil filler point are included, the first oil filler point is located at spiral groove close to active axis center
One end, the second oil filler point are located at the one end of spiral groove away from active axis center, and the 3rd oil filler point is interior located at jaw endoporus
Side one end.
It is further：The endoporus of axle sleeve is straight hole.
It is further：The taper of axle sleeve male cone (strobilus masculinus) is 1.5 ° to 2 °；The taper of jaw endoporus is mutually fitted with axle sleeve male cone (strobilus masculinus)
Match somebody with somebody.
It is further：Driving shaft uses steel alloy, and jaw uses carbon steel.
It is further：Sealing ring uses polyurethane piston sealing ring.
The beneficial effects of the invention are as follows：Driving shaft is coupled with jaw using separate type self-locking structure, and transmission torque is big, endurance
Intensity is high, and driving shaft uses high strength alloy steel, and jaw uses the driving shaft for compared with low-intensity carbon steel material, protecting high cost, and
When jaw fails, dismantled using internal pressure partition method, push assembling method and assembled, can easily fast quick-detach and in time
Separation replacing is carried out, the plenty of time for changing driving member can be saved and save the high cost for changing multi-diameter shaft.
Brief description of the drawings
Fig. 1 is the structural representation of power transmission shaft assembly connection of the present invention.
Fig. 2 is the structural representation of power transmission shaft of the present invention.
Fig. 3 is the axle sleeve structure schematic diagram of power transmission shaft of the present invention.
Fig. 4 is the ring structure schematic diagram of power transmission shaft of the present invention.
Fig. 5 is the driven end jaw structural representation of power transmission shaft of the present invention.
Fig. 6 is the drive end jaw structural representation of power transmission shaft of the present invention.
In figure mark for：1- driving shafts, 2- axle sleeves, 3- sealing rings, 4- drive end jaws, 5- driven end jaws, 6- first
Oil filler point, the oil filler points of 7- second, the oil filler points of 8- the 3rd.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the present invention includes driving shaft 1 and socket is arranged at the jaw at the both ends of driving shaft 1, driving shaft 1
Axle sleeve 2 is also socketed between jaw, the endoporus of axle sleeve 2 is connected with cylindrical be interference fitted using hot assembly of driving shaft 1, outside axle sleeve 2
The conical surface forms self-locking with jaw endoporus and is connected；Sealing ring 3 is provided between the male cone (strobilus masculinus) of axle sleeve 2 and jaw endoporus, forms liquid
Pumping cavity, jaw are provided with the oil filler point of connection hydraulic fluid chamber.When needing to separate jaw, injected by oil filler point into jaw
Pressure oil, axial thrust is produced in hydraulic fluid chamber, jaw is successfully displaced outwardly and is separated, changed in power transmission shaft
Convenient disassembly is quick during jaw.
Jaw includes drive end jaw 4 and driven end jaw 5.The structure of drive end jaw 4 is as shown in Figure 6：The part with
Reductor homalocephalus is connected, and transmission torque is transferred into driving shaft.The structure of driven end jaw 5 is as shown in Figure 5：Its inner bore of part
Structure is similar with drive end jaw 5, also identical with the fitted position of axle sleeve 2.Driven end jaw 5 is connected with homalocephalus drives roll work
Make.
Hydraulic fluid chamber can be set in the following ways：
First, hydraulic fluid chamber includes the spiral groove for being arranged at jaw endoporus, and it is close that sealing ring 3 is arranged at spiral groove
The one end at the center of driving shaft 1, oil filler point are arranged at the both ends of spiral groove.
2nd, hydraulic fluid chamber includes the cavity being arranged between jaw endoporus bottom surface and the outer face of driving shaft 1.
Preferably above two structure is set simultaneously in the present embodiment.Hydraulic fluid chamber includes the spiral for being arranged at jaw endoporus
Shape groove, the cavity being arranged between jaw endoporus bottom surface and the outer face of driving shaft 1；Sealing ring 3 is arranged at spiral groove and leaned on
The one end at the nearly center of driving shaft 1；Oil filler point includes the first oil filler point 6, the second oil filler point 7 and the 3rd oil filler point 8, the first oil filler point
6 are located at spiral groove close to the one end at the center of driving shaft 1, and the second oil filler point 7 is located at spiral groove away from the center of driving shaft 1
One end, the 3rd oil filler point 8 be located at jaw endoporus inner opposite end.When needing to separate jaw, by the second oil filler point 7 and the 3rd
Oil filler point 8 is blocked with plug screw, injects pressure oil by the first oil filler point 6, under pressure, horizontal direction is produced to two in jaw
The thrust of side, while hydraulic oil produces outside thrust and self-lubrication effect in annular groove, jaw is successfully moved out
Move and separated, convenient disassembly is quick when power transmission shaft changes jaw.
For convenience of assembling, the endoporus of axle sleeve 2 is straight hole, is dimensioned slightly smaller than the both ends diameter of driving shaft 1, with the hot jacket of driving shaft 1
Fixed
The taper of the male cone (strobilus masculinus) of axle sleeve 2 is 1.5 ° to 2 °；The taper of jaw endoporus is adapted with the male cone (strobilus masculinus) of axle sleeve 2.This implementation
In example, the male cone (strobilus masculinus) of axle sleeve 2 forms 1.915 ° of taper, and jaw endoporus is 1.910 ° of bellmouth, the male cone (strobilus masculinus) of axle sleeve 2 with jaw
Hole forms self-locking and is connected.
Driving shaft 1 uses the steel alloy of high intensity, and jaw uses low intensive carbon steel.Jaw is only changed when jaw damages
, save substantial amounts of cost of parts.
Sealing ring 3 uses polyurethane piston sealing ring.In the present embodiment, sealing ring 3 uses G-T type polyurethane piston seals
Circle, between axle sleeve 2 and jaw, in the hydraulic fluid chamber oiling separation jaw into jaw and axle sleeve 2, play sealing and make
With the part plays a key effect to product separation.
Preferred embodiment：
The present invention includes driving shaft 1 and socket is arranged at the jaw at the both ends of driving shaft 1, and driving shaft 1 uses the conjunction of high intensity
Jin Gang, jaw use low intensive carbon steel；Axle sleeve 2 is also socketed between driving shaft 1 and jaw, the endoporus of axle sleeve 2 is straight hole and master
Moving axis 1 is cylindrical to be formed self-locking with jaw endoporus and is connected using hot assembly interference fit connection, the male cone (strobilus masculinus) of axle sleeve 2；Outside axle sleeve 2
Sealing ring 3 is provided between the conical surface and jaw endoporus, forms hydraulic fluid chamber, sealing ring 3 uses G-T type polyurethane piston seals
Circle, jaw are provided with the oil filler point of connection hydraulic fluid chamber.Hydraulic fluid chamber includes being arranged at the spiral groove of jaw endoporus, set
Cavity between jaw endoporus bottom surface and the outer face of driving shaft 1；Sealing ring 3 is arranged at spiral groove in driving shaft 1
One end of the heart；Oil filler point includes the first oil filler point 6, the second oil filler point 7 and the 3rd oil filler point 8, and the first oil filler point 6 is located at spiral shape
For groove close to the one end at the center of driving shaft 1, the second oil filler point 7 is located at the one end of spiral groove away from the center of driving shaft 1, and the 3rd
Oil filler point 8 is located at the inner opposite end of jaw endoporus.
The assembling of driving shaft 1 is process control key link, using unique erection skill-pushing assembling on Product Assembly
Method, in actual production assembling process, it is jagged that driving shaft 1 and axle sleeve 2 are first removed into institute, it is ensured that both ends surface cleaning, then use
2 to 300 DEG C of machine oil heating axle sleeve expands its endoporus, and for hot jacket on driving shaft 1, adjustment good position etc. cools down rear axle housing 2 and master
Moving axis 1 is tightly secured in together.Place axle sleeve 2 to assemble with jaw internal taper hole in lathe center, the external diameter of rotary sleeve 2, ginseng
Pushing fitted position is examined, is paid attention to：Sleeve outer circle reserves 0.76mm-0.80mm grinding allowances.The size spacing of requirement is before pushing
36mm-37mm.Because of the cylindrical grinding allowance for leaving 0.76mm-0.80mm of axle sleeve 2, size spacing is more than before being pushed in pre-assembled
37mm, stock removal is determined according to measurement spacing and carries out grinding, and carry out prepackage measurement again, until meeting to require spacing
And check that contact surface area cannot be less than 80% with Coating Method.Sealing ring 3 is installed on axle sleeve 2.It will be covered with special tooling
The driving shaft 1 and jaw for having axle sleeve 2 carry out pressurization assembling respectively.It is relative with driving shaft 1 according to rate of pressure increase, control jaw
Installation translational speed is 1mm/min.When fitting surface contacts ＞ 95%, translational speed slows down until stopping and with unexpected lock
Tight collision sound.Detect the requirement of 25mm as defined in final spacing dimension satisfaction.Erection sequence is first installation drive end jaw 4,
Driven end jaw 5 is installed again.Overall appearance inspection, including coloring and each spot size, confirm no deformation, flawless, Suo Youan
Dress size reaches requirement, and so far a whole set of power transmission shaft installs.
The quick separating of power transmission shaft, when jaw because long-time uses, it is necessary to reprocess or change jaw during serious wear.
Jaw is proceeded as follows by being removed on driving shaft 1：The second oil filler point 7 on jaw and the 3rd oil filler point 8 are sealed with plug screw
It is stifled, pressure oil is injected by the first oil filler point 6, pressurizeed using 4000KN or more pressure apparatus, and measure of taking care.
Under pressure effect, horizontal direction, which is produced to the thrust of both sides, in jaw makes jaw and driving shaft 1 move round about, by jaw
Separated with axle sleeve 2, complete part of damage and change.
Claims (8)
1. quick detachable self-locking couples mill drive axle construction, including driving shaft (1) and socket are arranged at driving shaft (1) both ends
Jaw, it is characterised in that：Driving shaft (1) is also socketed with axle sleeve (2) between jaw, and axle sleeve (2) endoporus and driving shaft (1) are outside
Circle is formed self-locking with jaw endoporus and is connected using hot assembly interference fit connection, axle sleeve (2) male cone (strobilus masculinus)；Axle sleeve (2) outer cone
Sealing ring (3) is provided between face and jaw endoporus, forms hydraulic fluid chamber, jaw is provided with the oil filler point of connection hydraulic fluid chamber.
2. quick detachable self-locking as claimed in claim 1 couples mill drive axle construction, it is characterised in that：Hydraulic fluid chamber bag
The spiral groove for being arranged at jaw endoporus is included, sealing ring (3) is arranged at spiral groove close to the one of driving shaft (1) center
End, oil filler point are arranged at the both ends of spiral groove.
3. quick detachable self-locking as claimed in claim 1 couples mill drive axle construction, it is characterised in that：Hydraulic fluid chamber bag
Include the cavity being arranged between jaw endoporus bottom surface and driving shaft (1) outer face.
4. quick detachable self-locking as claimed in claim 1 couples mill drive axle construction, it is characterised in that：Hydraulic fluid chamber bag
The cavity for including and being arranged at the spiral groove of jaw endoporus, be arranged at jaw endoporus bottom surface between driving shaft (1) outer face；It is close
Seal (3) is arranged at spiral groove close to the one end at driving shaft (1) center；Oil filler point includes the first oil filler point (6), the second note
Oilhole (7) and the 3rd oil filler point (8), the first oil filler point (6) located at spiral groove close to the one end at driving shaft (1) center, the
Two oil filler points (7) are located at the one end of spiral groove away from driving shaft (1) center, and the 3rd oil filler point (8) is located at jaw endoporus
Inner opposite end.
5. the quick detachable self-locking connection mill drive axle construction as described in any one in Claims 1-4, its feature exist
In：The endoporus of axle sleeve (2) is straight hole.
6. the quick detachable self-locking connection mill drive axle construction as described in any one in Claims 1-4, its feature exist
In：The taper of axle sleeve (2) male cone (strobilus masculinus) is 1.5 ° to 2 °；The taper of jaw endoporus is adapted with axle sleeve (2) male cone (strobilus masculinus).
7. the quick detachable self-locking connection mill drive axle construction as described in any one in Claims 1-4, its feature exist
In：Driving shaft (1) uses steel alloy, and jaw uses carbon steel.
8. the quick detachable self-locking connection mill drive axle construction as described in any one in Claims 1-4, its feature exist
In：Sealing ring (3) uses polyurethane piston sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064942.6A CN107676368A (en) | 2017-11-02 | 2017-11-02 | Quick detachable self-locking couples mill drive axle construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064942.6A CN107676368A (en) | 2017-11-02 | 2017-11-02 | Quick detachable self-locking couples mill drive axle construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676368A true CN107676368A (en) | 2018-02-09 |
Family
ID=61144871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711064942.6A Pending CN107676368A (en) | 2017-11-02 | 2017-11-02 | Quick detachable self-locking couples mill drive axle construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676368A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB143133A (en) * | 1919-10-22 | 1920-05-20 | Baptiste Vaurs | Improvements in lock nuts |
| US4391547A (en) * | 1981-11-27 | 1983-07-05 | Dresser Industries, Inc. | Quick release downhole motor coupling |
| US4925140A (en) * | 1989-03-20 | 1990-05-15 | Itc Incorporated | Detachable leg assembly |
| US20090324323A1 (en) * | 2006-07-18 | 2009-12-31 | Mitsubishi Heavy Industries, Ltd. | Hydraulic detachable coupling |
| CN201412396Y (en) * | 2009-05-27 | 2010-02-24 | 沈阳鼓风机集团有限公司 | Large-unit thrust disc and coupler simultaneous hydraulic dismounting structure |
| CN201696507U (en) * | 2010-06-18 | 2011-01-05 | 江苏华阳重工科技股份有限公司 | Conveniently-dismounted marine hydraulic coupler |
| CN104019140A (en) * | 2014-05-07 | 2014-09-03 | 中国重型机械研究院股份公司 | Hydraulic piston type locking disk |
| CN106181861A (en) * | 2016-08-12 | 2016-12-07 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
| CN207364091U (en) * | 2017-11-02 | 2018-05-15 | 四川优机实业股份有限公司 | Quick detachable self-locking couples mill drive axle construction |
-
2017
- 2017-11-02 CN CN201711064942.6A patent/CN107676368A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB143133A (en) * | 1919-10-22 | 1920-05-20 | Baptiste Vaurs | Improvements in lock nuts |
| US4391547A (en) * | 1981-11-27 | 1983-07-05 | Dresser Industries, Inc. | Quick release downhole motor coupling |
| US4925140A (en) * | 1989-03-20 | 1990-05-15 | Itc Incorporated | Detachable leg assembly |
| US20090324323A1 (en) * | 2006-07-18 | 2009-12-31 | Mitsubishi Heavy Industries, Ltd. | Hydraulic detachable coupling |
| CN201412396Y (en) * | 2009-05-27 | 2010-02-24 | 沈阳鼓风机集团有限公司 | Large-unit thrust disc and coupler simultaneous hydraulic dismounting structure |
| CN201696507U (en) * | 2010-06-18 | 2011-01-05 | 江苏华阳重工科技股份有限公司 | Conveniently-dismounted marine hydraulic coupler |
| CN104019140A (en) * | 2014-05-07 | 2014-09-03 | 中国重型机械研究院股份公司 | Hydraulic piston type locking disk |
| CN106181861A (en) * | 2016-08-12 | 2016-12-07 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
| CN207364091U (en) * | 2017-11-02 | 2018-05-15 | 四川优机实业股份有限公司 | Quick detachable self-locking couples mill drive axle construction |
Non-Patent Citations (1)
| Title |
|---|
| 靳岚主编；王虹，高双，张鹏参编: "《互换性与测量技术》", 31 August 2012, 上海：复旦大学出版社, pages: 177 - 182 * |
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