CN207364091U - Quick detachable self-locking couples mill drive axle construction - Google Patents
Quick detachable self-locking couples mill drive axle construction Download PDFInfo
- Publication number
- CN207364091U CN207364091U CN201721445989.2U CN201721445989U CN207364091U CN 207364091 U CN207364091 U CN 207364091U CN 201721445989 U CN201721445989 U CN 201721445989U CN 207364091 U CN207364091 U CN 207364091U
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- Prior art keywords
- plug
- driving shaft
- oil filler
- endoporus
- axle sleeve
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 47
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 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 41
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 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
- 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
- 239000003638 chemical reducing agent Substances 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
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012423 maintenance Methods 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A kind of quick detachable self-locking connection mill drive axle construction is the utility model is related to, belongs to a kind of driving member of steel mill's milling equipment.The utility model is arranged at the plug of both ends of main drive shaft including driving shaft and socket, and axle sleeve is also socketed between driving shaft and plug, 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 plug endoporus and is connected；Sealing ring is provided between axle sleeve male cone (strobilus masculinus) and plug endoporus, forms hydraulic fluid chamber, plug is provided with the oil filler point of connection hydraulic fluid chamber.When needing to separate plug, pressure oil is injected into plug by oil filler point, axial thrust is produced in hydraulic fluid chamber, plug is successfully displaced outwardly and is separated, convenient disassembly is quick when transmission shaft replaces plug.
Description
Technical field
A kind of quick detachable self-locking connection mill drive axle construction is the utility model is related to, belongs to steel mill's milling equipment
A kind of driving member, is specifically the final drive shaft of 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 plug 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%；Room 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 plug for both ends of damage, because of the course of work
In be subject to periodicity torsion and impact force, easily wear or be broken.
Common mill drive axis 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 plug overall weight weight, material price is expensive, and integral replacing is costly after plug failure.And separate type
Using two kinds of different materials, the driving shaft being easily damaged is high-alloy steel materials, and the plug of damage easy to wear is medium carbon steel, price
Relatively cheap, both couple mainly by hot jacket, couple for hot jacket, when plug is worn or fracture needs replacing, propeller shaft yoke
Head separates difficulty with driving shaft, and it is low that efficiency is replaced in maintenance, it is difficult to meets allegro production requirement.
Utility model content
Technical problem to be solved in the utility model is：A kind of high intensity requirement that can either meet transmission shaft is provided,
Quick detachable self-locking easy to repair and cost-effective connection mill drive axle construction again.
Technical solution is used by the utility model solves its technical problem：Quick detachable self-locking couples mill drive
Axle construction, including driving shaft and socket are arranged at the plug of both ends of main drive shaft, and axle sleeve, axis are also socketed between driving shaft and plug
Cover endoporus to connect with cylindrical be interference fitted using hot assembly of driving shaft, axle sleeve male cone (strobilus masculinus) forms self-locking with plug endoporus and coordinates company
Connect；Sealing ring is provided between axle sleeve male cone (strobilus masculinus) and plug endoporus, forms hydraulic fluid chamber, plug is provided with connection hydraulic fluid chamber
Oil filler point.When needing to separate plug, pressure oil is injected into plug by oil filler point, axial push away is produced in hydraulic fluid chamber
Power, enables plug to be successfully displaced outwardly and be separated, and when transmission shaft replaces plug, convenient disassembly is quick.
It is further：Hydraulic fluid chamber includes the spiral groove for being arranged at plug 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 plug endoporus bottom surface and driving shaft outer end face.
It is further：Hydraulic fluid chamber includes being arranged at the spiral groove of plug endoporus, is arranged at plug endoporus bottom surface
With the cavity between driving shaft outer end 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 arranged on spiral groove close to active axis center
One end, the second oil filler point are arranged on the one end of spiral groove away from active axis center, and the 3rd oil filler point is arranged on the interior of plug 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 plug endoporus is mutually fitted with axle sleeve male cone (strobilus masculinus)
Match somebody with somebody.
It is further：Driving shaft uses steel alloy, and plug uses carbon steel.
It is further：Sealing ring uses polyurethane piston sealing ring.
The beneficial effects of the utility model are：Driving shaft is coupled with plug using separate type self-locking structure, and transmission torque is big,
Endurance strength is high, and driving shaft uses high strength alloy steel, and plug is used compared with low-intensity carbon steel material, protects the active of high cost
Axis, and when plug fails, dismantled using internal pressure partition method, push assembling method and assembled, can easily fast quick-detach
With carry out separation replacement in time, can save replace driving member plenty of time and save replace multi-diameter shaft high cost.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model transmission shaft assembly connection.
Fig. 2 is the structure diagram of the utility model transmission shaft.
Fig. 3 is the axle sleeve structure schematic diagram of the utility model transmission shaft.
Fig. 4 is the ring structure schematic diagram of the utility model transmission shaft.
Fig. 5 is the driven end plug structure diagram of the utility model transmission shaft.
Fig. 6 is the drive end plug structure diagram of the utility model transmission shaft.
In figure mark for：1- driving shafts, 2- axle sleeves, 3- sealing rings, 4- drive end plugs, 5- driven end plugs, 6- first
Oil filler point, the second oil filler points of 7-, the 3rd oil filler points of 8-.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the utility model includes driving shaft 1 and socket is arranged at the plug at 1 both ends of driving shaft, actively
Axle sleeve 2 is also socketed between axis 1 and plug, 2 endoporus of axle sleeve is cylindrical using hot assembly interference fit connection, axle sleeve 2 with driving shaft 1
Male cone (strobilus masculinus) forms self-locking with plug endoporus and is connected；Sealing ring 3 is provided between 2 male cone (strobilus masculinus) of axle sleeve and plug endoporus, is formed
Hydraulic fluid chamber, plug are provided with the oil filler point of connection hydraulic fluid chamber.When needing to separate plug, noted by oil filler point into plug
Enter pressure oil, axial thrust is produced in hydraulic fluid chamber, plug is successfully displaced outwardly and is separated, in transmission shaft more
Convenient disassembly is quick when changing plug.
Plug includes drive end plug 4 and driven end plug 5.The structure of drive end plug 4 is as shown in Figure 6：The part with
Gear reducer homalocephalus is connected, and transmission torque is transferred to driving shaft.The structure of driven end plug 5 is as shown in Figure 5：Its inner bore of part
Structure is similar with drive end plug 5, also identical with the fitted position of axle sleeve 2.Driven end plug 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 plug endoporus, and it is close that sealing ring 3 is arranged at spiral groove
The one end at 1 center of driving shaft, oil filler point are arranged at the both ends of spiral groove.
2nd, hydraulic fluid chamber includes the cavity being arranged between 1 outer end face of plug endoporus bottom surface and driving shaft.
Preferably above two structure is set at the same time in the present embodiment.Hydraulic fluid chamber includes being arranged at the spiral of plug endoporus
Shape groove, the cavity being arranged between 1 outer end face of plug endoporus bottom surface and driving shaft；Sealing ring 3 is arranged at spiral groove and leans on
The one end at nearly 1 center of driving shaft；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 arranged on spiral groove close to the one end at 1 center of driving shaft, and the second oil filler point 7 is arranged on spiral groove away from 1 center of driving shaft
One end, the 3rd oil filler point 8 be arranged on plug endoporus inner opposite end.When needing to separate plug, 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 plug
The thrust of side, while hydraulic oil produces outside thrust and self-lubrication effect in annular groove, plug is successfully moved out
Move and separated, convenient disassembly is quick when transmission shaft replaces plug.
For convenience of assembling, the endoporus of axle sleeve 2 is straight hole, is dimensioned slightly smaller than 1 both ends diameter of driving shaft, with 1 hot jacket of driving shaft
Fixed
The taper of 2 male cone (strobilus masculinus) of axle sleeve is 1.5 ° to 2 °；The taper of plug endoporus is adapted with 2 male cone (strobilus masculinus) of axle sleeve.This implementation
In example, 2 male cone (strobilus masculinus) of axle sleeve forms 1.915 ° of taper, and plug endoporus is 1.910 ° of bellmouth, 2 male cone (strobilus masculinus) of axle sleeve with plug
Hole forms self-locking and is connected.
Driving shaft 1 uses the steel alloy of high intensity, and plug uses low intensive carbon steel.Plug is only replaced when plug 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 plug, in the hydraulic fluid chamber oiling separation plug into plug and axle sleeve 2, plays sealing and makees
With the part plays a key effect product separation.
Preferred embodiment：
The utility model includes driving shaft 1 and socket is arranged at the plug at 1 both ends of driving shaft, and driving shaft 1 uses high intensity
Steel alloy, plug uses low intensive carbon steel；Also it is socketed with axle sleeve 2 between driving shaft 1 and plug, 2 endoporus of axle sleeve is straight hole,
Connected with cylindrical be interference fitted using hot assembly of driving shaft 1,2 male cone (strobilus masculinus) of axle sleeve forms self-locking with plug endoporus and is connected；Axis
Cover and sealing ring 3 is provided between 2 male cone (strobilus masculinus)s and plug endoporus, form hydraulic fluid chamber, sealing ring 3 uses G-T type polyurethane pistons
Sealing ring, plug are provided with the oil filler point of connection hydraulic fluid chamber.Hydraulic fluid chamber include be arranged at plug endoporus spiral groove,
The cavity being arranged between 1 outer end face of plug endoporus bottom surface and driving shaft；Sealing ring 3 is arranged at spiral groove close to driving shaft
The one end at 1 center；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 arranged on spiral shell
Rotation shape groove is arranged on the one end of spiral groove away from 1 center of driving shaft close to the one end at 1 center of driving shaft, the second oil filler point 7,
3rd oil filler point 8 is arranged on the inner opposite end of plug 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 first to remove institute by driving shaft 1 and axle sleeve 2, 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 plug internal taper hole in lathe center, 2 outside diameter of rotary sleeve, 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, determines stock removal according to measurement spacing and carries out grinding, and carries out prepackage measurement again, until meeting the requirements 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 plug for having axle sleeve 2 carry out pressurization assembling respectively.It is opposite with driving shaft 1 according to rate of pressure increase, control plug
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 plug 4,
Driven end plug 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 transmission shaft installs.
The quick separating of transmission shaft, when plug since long-time uses, it is necessary to reprocess or replace plug during serious wear.
Plug is proceeded as follows by being removed on driving shaft 1：The second oil filler point 7 on plug 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, is 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 plug makes plug and driving shaft 1 move round about, by plug
Separated with axle sleeve 2, complete part of damage and replace.
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
Plug, it is characterised in that：Driving shaft (1) is also socketed with axle sleeve (2) between plug, and axle sleeve (2) endoporus and driving shaft (1) are outside
Circle is formed self-locking with plug 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 plug endoporus, forms hydraulic fluid chamber, plug 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 plug 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 plug endoporus bottom surface and driving shaft (1) outer end 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 plug endoporus, be arranged at plug endoporus bottom surface between driving shaft (1) outer end 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) are arranged on spiral groove close to the one end at driving shaft (1) center, the
Two oil filler points (7) are arranged on the one end of spiral groove away from driving shaft (1) center, and the 3rd oil filler point (8) is arranged on plug 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 plug 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 plug 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 |
|---|---|---|---|
| CN201721445989.2U CN207364091U (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 |
|---|---|---|---|
| CN201721445989.2U CN207364091U (en) | 2017-11-02 | 2017-11-02 | Quick detachable self-locking couples mill drive axle construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364091U true CN207364091U (en) | 2018-05-15 |
Family
ID=62345268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721445989.2U Active CN207364091U (en) | 2017-11-02 | 2017-11-02 | Quick detachable self-locking couples mill drive axle construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676368A (en) * | 2017-11-02 | 2018-02-09 | 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 CN201721445989.2U patent/CN207364091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676368A (en) * | 2017-11-02 | 2018-02-09 | 四川优机实业股份有限公司 | Quick detachable self-locking couples mill drive axle construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Structure of drive shaft for quick separation type self locking connection rolling mill Effective date of registration: 20200826 Granted publication date: 20180515 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: Y & J INDUSTRIES Co.,Ltd. Registration number: Y2020980005390 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240104 Granted publication date: 20180515 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: Y & J INDUSTRIES Co.,Ltd. Registration number: Y2020980005390 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |