CN115351091A - Installation method of combined roller - Google Patents
Installation method of combined roller Download PDFInfo
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- CN115351091A CN115351091A CN202210995545.5A CN202210995545A CN115351091A CN 115351091 A CN115351091 A CN 115351091A CN 202210995545 A CN202210995545 A CN 202210995545A CN 115351091 A CN115351091 A CN 115351091A
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- mandrel
- reaction force
- locking nut
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 title description 2
- 230000007704 transition Effects 0.000 claims description 30
- 125000006850 spacer group Chemical group 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- IFPMZBBHBZQTOV-UHFFFAOYSA-N 1,3,5-trinitro-2-(2,4,6-trinitrophenyl)-4-[2,4,6-trinitro-3-(2,4,6-trinitrophenyl)phenyl]benzene Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(C=2C(=C(C=3C(=CC(=CC=3[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)C(=CC=2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)=C1[N+]([O-])=O IFPMZBBHBZQTOV-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/03—Sleeved rolls
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- Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention relates to the technical field of combined rollers, in particular to a method for installing a combined roller, which comprises the following steps: s1: fixing a first end of a roller mandrel, sleeving an accessory in the middle of the roller mandrel, and attaching a first end face of the accessory to a second end face of a boss at the first end of the roller mandrel; s2: and sleeving a locking nut at the second end of the roller mandrel, and rotating the locking nut to move towards the direction close to the accessory, so that the first end surface of the locking nut is tightly attached to the second end surface of the accessory, and the accessory is locked. The mode of fixing the first end of the roller mandrel is as follows: and fixedly connecting the first end of the roller mandrel to a reaction force supporting plate. In S2, the lock nut is driven to rotate by arranging a hydraulic driving part outside the lock nut. The invention has the advantages of simple and reliable structure, high connection strength, simple and efficient assembly and disassembly, long service life and low production cost.
Description
The application is a divisional application of original patent applications (the application date is 12 and 11 months in 2017, the application number is 201711305875.2, and the invention name is a nut locking device and a combined roller with the nut locking device).
Technical Field
The invention relates to the technical field of combined rollers, in particular to a method for installing a combined roller.
Background
The high-performance and large-size hard alloy combined roller is usually applied to rolling of round rods, coils and deformed steel bars such as high-strength, shock-resistant and special steel. The scientific and reasonable combination roller structure can utilize the characteristics of good heat conduction performance, good red hardness, good thermal fatigue resistance, good wear resistance, high strength and the like of the hard alloy to develop the hard alloy as the material of the outer layer of the roller. The mode of combining the hard alloy outer layer and the high-toughness roll core not only keeps the excellent characteristics of high hardness, high wear resistance, thermal cracking resistance and the like of the outer layer, but also can fully play the roles of high strength and high toughness of the roll core, thereby realizing the good combination of two materials, improving the comprehensive performance of the roll, ensuring the service life and high reliability of the roll and improving the quality of rolled materials.
The common combination form of the hard alloy outer layer and the high-toughness roll core is that the core shaft and the hard alloy roll collar are subjected to adhesive bonding, interference fit assembly, hydraulic nut locking, CIC key locking and the like. The patent application with the application number of 201520589816.2 discloses a combined hard alloy roller, a spline shaft is arranged in the middle of a roller core mandrel, and a roller ring and a threaded roller ring are sequentially arranged on the spline shaft through spline holes. However, the structure drives through the spline shaft and the spline hole, so that the structure has the defects of high manufacturing precision requirement, high cost, long assembly time and the like. Chinese patent ZL200520050660.9 discloses a hydraulic pre-tightening mechanism, wherein after a hydraulic nut reaches a required pre-tightening force, a locking ring or a wedge ring or the like is inserted between the hydraulic nut and a clamped part to fill a gap between the hydraulic nut and the clamped part, and the pre-tightening force of the hydraulic pre-tightening mechanism is maintained after the hydraulic nut is released. However, the seal of the hydraulic nut is easily deteriorated by factors such as the on-site rolling temperature and the coolant, and is not easily reused, which leads to high cost. Secondly, the sealing element has high material performance requirement and high value, so that the reduction of the whole manufacturing cost of the device is not facilitated. Chinese patent ZL201220292180.1 discloses a pre-tightening locking device for clamping a part on a shaft. The patent application with the application number of 201110107442.2 discloses a combined hydraulic pre-tightening locking device and a hard alloy composite roller assembled by using the device. However, the devices in chinese patent ZL201220292180.1 and patent application No. 201110107442.2 are complicated in assembling and disassembling operations, the assembling pressure is not constant, and the design space is insufficient, so that the assembling reliability is low, the overall strength and quality of the product are reduced, the abnormal working condition resistance and the working capacity under heavy rolling of the product are reduced, the combined connection strength is reduced, the service life is shortened, and the production cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the mounting method of the combined roller, which has the effects of simple and reliable structure, high connection strength, simple and efficient assembly and disassembly, long service life and low production cost.
The above object of the present invention is achieved by the following technical solutions:
a method for installing a combined roller comprises the following steps:
s1: fixing a first end of a roller mandrel, sleeving an accessory in the middle of the roller mandrel, and attaching a first end face of the accessory to a second end face of a boss at the first end of the roller mandrel;
s2: and sleeving a locking nut at the second end of the roller mandrel, rotating the locking nut to move towards the direction close to the accessory, so that the first end face of the locking nut is tightly attached to the second end face of the accessory, and locking the accessory.
The mode of fixing the first end of the roller mandrel is as follows: and fixedly connecting the first end of the roller mandrel to a reaction force supporting plate.
In S2, the lock nut is driven to rotate by arranging a hydraulic driving part outside the lock nut.
The invention in a preferred example may be further configured to: the reaction force supporting plate is connected to the first end of the roller mandrel through a connecting part, and the first end of the roller mandrel is a fixed end of the roller mandrel.
The present invention in a preferred example may be further configured to: the connecting part comprises a flat square, a hexagonal, an octagonal, a decagonal, a dodecagonal or a fourteen-square polygon arranged on the inner side face of the counterforce supporting plate and a flat square, a hexagonal, an octagonal, a decagonal, a dodecagonal or a fourteen-square polygon correspondingly arranged on the outer wall of the roller mandrel.
The present invention in a preferred example may be further configured to: the hydraulic driving part is a hydraulic torque wrench, a first end of the hydraulic torque wrench is connected with the locking nut through a transition sleeve, and a second end used for being connected with a hydraulic station is arranged on the hydraulic torque wrench.
The invention in a preferred example may be further configured to: the outer part of the locking nut is arranged to be a hexagonal polygon, an octagonal polygon, a decagonal polygon, a dodecagonal polygon or a tetradecapenial polygon, and the inner part of the corresponding transition sleeve is arranged to be a hexagonal polygon, an octagonal polygon, a decagonal polygon, a dodecagonal polygon or a tetradecapenial polygon.
The present invention in a preferred example may be further configured to: the reaction force supporting plate is connected to the first end of the roller mandrel through the flat square; the outer part of the locking nut is arranged into a twelve-square polygon, and the inner part of the corresponding transition sleeve is arranged into a twelve-square polygon; the outer part of the transition sleeve is arranged into a hexagonal polygon, and the inner part of the first end of the corresponding hydraulic torque wrench is arranged into a hexagonal polygon; the side wall of the transition sleeve is provided with a shifting hole, and the side wall of the locking nut is also provided with a shifting hole.
The present invention in a preferred example may be further configured to: the reaction force supporting plate is fixedly connected to the four-column base, and reaction force points of the reaction force supporting plate act on two of the stand columns of the reaction force supporting plate and the four-column base.
The present invention in a preferred example may be further configured to: the first end of the roller mandrel is provided with a boss, the first end face of the boss is tightly jointed with the end face of the reaction force supporting plate, the second end face of the hard alloy roller ring is tightly jointed with the first end face of the spacer ring, and the second end face of the spacer ring is tightly jointed with the first end face of the locking nut.
The present invention in a preferred example may be further configured to: the inner side surface of the hard alloy roll collar connected with the outer wall of the roll mandrel is a polished surface, and the spacer ring is connected to the outer wall of the roll mandrel through a key.
The invention in a preferred example may be further configured to: further comprising S4: when the roller core shaft with the nut locking device is disassembled, the reverse rotation hydraulic torque wrench provides reverse torque to disassemble the locking nut, and then the hard alloy roller ring, the spacing ring and the reaction force supporting plate are sequentially disassembled.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the nut locking device is simple in structure, high in combined connection strength and convenient to assemble and disassemble, and can improve the pressure stability in the assembling process.
2. The nut locking device can prevent the locking nut from cracking and crossing due to high strength of the locking nut, thereby greatly improving the reliability of assembly and improving the strength and quality of the product in abnormal working condition resistance.
3. The combined roller has the advantages of high combined connection strength, convenient assembly and disassembly, simple structure and constant assembly pressure.
4. The design space of the combined roller is increased by more than 10 percent, the problems of the reduction of the integral strength and the quality of a product caused by the shortage of part of the design space can be solved, and the service life of the combined roller is prolonged.
5. The combined roller locking nut has high strength, and can greatly improve the reliability of the assembly of the combined roller, thereby improving the working capacity of the combined roller under large rolling.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following briefly introduces the drawings required in the description of the embodiments:
FIG. 1 is a schematic view of a nut locking device according to the present invention;
FIG. 2 is a schematic view of FIG. 1 taken in the direction A;
FIG. 3 is a front schematic view of a transition sleeve of the present invention;
FIG. 4 is a schematic top view of FIG. 3;
FIG. 5 is a schematic structural view of the lock nut of the present invention;
FIG. 6 is a schematic top view of FIG. 5;
FIG. 7 is a schematic structural view illustrating an assembly process of the nut locking apparatus according to the present invention;
fig. 8 is a schematic structural view of the combined roller with the nut locking device of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
As shown in fig. 1, the nut locking device provided by the present invention is used for clamping a component on a shaft 1, and comprises a reaction force supporting plate 2 tightly sleeved on a first end of the shaft 1, a locking nut 3 tightly sleeved on a second end of the shaft 1, and an accessory 4 tightly sleeved on the middle of the shaft 1. Wherein a first end face of the fitting 4 is in tight engagement with an end face of the shaft 1 near the reaction force support plate 2, and a second end face of the fitting 4 is in tight engagement with a first end face of the lock nut 3. A hydraulic drive 5 for driving the lock nut 3 to the fitting 4 is provided outside the lock nut 3. Under the action of the counterforce support plate 2 and the locking nut 3, a secure locking of the fitting 4 on the outer wall of the shaft 1 can be achieved.
In the above embodiment, the reaction force supporting plate 2 is connected to the first end of the shaft 1, which is the fixed end of the shaft 1, by the connecting portion 6 (shown in fig. 2), and the connecting portion 6 can transmit torque.
In the above embodiment, the connecting portion 6 includes polygons such as flat square, hexagonal, octagonal, deca, dodeca, and deca-square, which are provided on the inner side surface of the reaction force supporting plate 2, and polygons such as flat square, hexagonal, octagonal, deca, dodeca, and deca, which are correspondingly provided on the outer wall of the shaft 1. In a preferred embodiment, the reaction force support plate 2 is attached to a first end of the shaft 1 by a spade 6. The dimensions of the flat squares 6 are determined by the outer diameter of the bearing labyrinth attached to the shaft 1.
In the above embodiment, the hydraulic driving member 5 is a hydraulic torque wrench. The first end of the hydraulic torque wrench 5 is connected to the locking nut 3 (shown in fig. 5 and 6) via a transition socket 7 (shown in fig. 3 and 4). The hydraulic torque wrench 5 is provided with a second end for connecting a hydraulic station, and hydraulic oil in the hydraulic station enters the second end of the hydraulic torque wrench 5. The hydraulic station provides the required pressure oil to drive the hydraulic torque wrench 5, and the hydraulic torque wrench 5 generates constant required torsional moment according to the set pressure value and acts on the locking nut 3 through the transition sleeve 7.
In the above embodiment, the exterior of the lock nut 3 may be set to be a polygon such as a hexagon, an octagon, a decagon, a dodecagon, and a decagon according to actual needs. The corresponding transition sleeve 7 may be disposed in a hexagonal, octagonal, decagonal, dodecagonal, and decagonal polygon.
In the above embodiment, the side wall of the lock nut 3 is provided with the toggle hole 31 to facilitate the assembly and disassembly of the lock nut 3. In a preferred embodiment, the exterior of the locking nut 3 is configured as a twelve-sided polygon, and the interior of the corresponding transition sleeve 6 is configured as a twelve-sided polygon.
In the above embodiment, the outer portion of the transition sleeve 7 is arranged as a hexagonal polygon and the inner portion of the first end of the corresponding hydraulic torque wrench 5 is arranged as a hexagonal polygon.
In the above embodiment, as shown in fig. 1 and 3, the side wall of the transition sleeve 7 is provided with the toggle holes 71 to facilitate assembling and disassembling the transition sleeve 7.
In the above embodiment, the fitting 4 comprises a cemented carbide collar 41 having a first end surface in tight engagement with the second end surface of the boss 11 of the shaft 1, the first end surface of the boss 11 being in tight engagement with the end surface of the reaction force support plate 2. The second end surface of the cemented carbide roller ring 41 is in tight engagement with the first end surface of the spacer ring 42, and the second end surface of the spacer ring 42 is in tight engagement with the first end surface of the lock nut 3. The number of the spacer rings 42 is one or more, and can be set according to actual needs. The number of the cemented carbide roll collars 41 is one or more, and can be set according to actual needs. When the cemented carbide roll collars 41 and the spacer rings 42 are respectively provided in plural, the plurality of spacer rings 42 and the plurality of cemented carbide roll collars 41 are sequentially arranged at intervals.
In the above embodiment, the inner side surface of the cemented carbide collar 42 connected to the outer wall of the shaft 1 is made smooth.
In the above embodiment, the spacer ring 41 is attached to the outer wall of the shaft 1 by the key 8. That is, the spacer 41 may be provided with a key groove to connect with the shaft 1.
In the above embodiment, the reaction force supporting plate 2 is fastened to the four-column base. The reaction force points of the reaction force support plate 2 act on the reaction force support plate 2 and two of the uprights 9 (shown in fig. 7) of the four-upright base.
In the above embodiments, the shaft 1 may be a roll mandrel.
As shown in fig. 1 and 7, when a part is clamped on a shaft 1 by the nut locking device of the present invention, firstly, the shaft 1 is vertically erected and tightly connected with a reaction force supporting plate 2 through a connecting part 6, then a hard alloy roll collar 41 and a spacer ring 42 are sequentially installed, a lock nut 3 is screwed, a transition sleeve 7 is installed on the lock nut 3, a hydraulic torque wrench 5 is hung on the transition sleeve 7, the hydraulic torque wrench 5 is connected with a hydraulic station through an oil pipe, the maximum pressure value of the hydraulic station is set to a required pressure value, and the hydraulic torque wrench 5 generates a constant required torque according to the set pressure value and acts on the lock nut 3 through the transition sleeve 7. Then, a hydraulic station is started to supply pressure oil, a hydraulic torque wrench 5 applies proper torque to tighten the locking nut 3, the shaft 1 is stretched by axial tension or the thread of the shaft 1 is elastically deformed, so that the hard alloy roller ring 41 and the spacer ring 42 of the fitting 4 are subjected to sufficient axial jacking force, and the hard alloy roller ring 41 and the spacer ring 42 are mutually static by means of friction force between the hard alloy roller ring 41 and the spacer ring 42 so as to be fixed on the shaft 1. When the shaft 1 with the nut locking device needs to be disassembled, the reverse rotation hydraulic torque wrench 5 provides reverse torque, namely, the locking nut 3 can be disassembled, and then the hard alloy roller ring 41, the spacing ring 42 and the reaction force supporting plate 2 are disassembled in sequence.
As shown in fig. 8, the combined roll with a nut locking device provided by the present invention comprises a roll mandrel 1, a boss 11 is arranged at a first end of the roll mandrel 1, a connecting portion 6 for connecting a reaction force supporting plate 2 is arranged on the roll mandrel 1 at a position close to a first end face of the boss 11, an accessory 4 is tightly sleeved in the middle of the roll mandrel 1, a locking nut 3 for locking the accessory 4 is tightly connected to a second end of the roll mandrel 1, the first end face of the accessory 4 is tightly engaged with a second end face of the boss 11, the second end face of the accessory 4 is tightly engaged with the first end face of the locking nut 3, and a hydraulic driving member 5 for driving the locking nut 3 to lock the accessory 4 is arranged outside the locking nut 3.
In the above embodiment, the reaction force supporting plate 2 is connected to the first end of the roll mandrel 1, which is the fixed end of the roll mandrel 1, through the connecting portion 6 (shown in fig. 2), and the connecting portion 6 can transmit torque.
In the above embodiment, the connecting portion 6 includes polygons such as flat square, hexagonal, octagonal, deca, twelve square, and deca-square, which are provided on the inner side surface of the reaction force supporting plate 2, and polygons such as flat square, hexagonal, octagonal, deca, twelve, and deca-square, which are provided on the outer wall of the roll mandrel 1 correspondingly. In a preferred embodiment, the reaction support plate 2 is attached to a first end of the roll mandrel 1 by a flat 6. The size of the flat square 6 is determined according to the outer diameter of the bearing labyrinth mounted on the roll mandrel 1.
In the above embodiment, the hydraulic driving member 5 is a hydraulic torque wrench. The first end of the hydraulic torque wrench 5 is connected to the lock nut 3 (shown in fig. 5 and 6) via a transition socket 7 (shown in fig. 3 and 4). The hydraulic torque wrench 5 is provided with a second end for connecting a hydraulic station, and hydraulic oil in the hydraulic station enters the second end of the hydraulic torque wrench 5. The hydraulic station provides the required pressure oil to drive the hydraulic torque wrench 5, and the hydraulic torque wrench 5 generates a constant required torsional moment according to the set pressure value and acts on the locking nut 3 through the transition sleeve 7.
In the above embodiment, as shown in fig. 1 and 8, the fitting 4 includes the cemented carbide roll collar 41 having a first end surface closely engaged with the second end surface of the boss 11 of the roll mandrel 1, and the first end surface of the boss 11 is tightly engaged with the end surface of the reaction force supporting plate 2. The second end surface of the cemented carbide roller ring 41 is in tight engagement with the first end surface of the spacer ring 42, and the second end surface of the spacer ring 42 is in tight engagement with the first end surface of the lock nut 3. The number of the spacer rings 42 is one or more, and can be set according to actual needs. The number of the cemented carbide roll collars 41 is one or more, and can be set according to actual needs. When the cemented carbide roll collars 41 and the spacer rings 42 are respectively provided in plural, the plurality of spacer rings 42 and the plurality of cemented carbide roll collars 41 are sequentially arranged at intervals.
In the above embodiment, the inner side surface of the cemented carbide roll collar 42 connected to the outer wall of the roll mandrel 1 is made smooth.
In the above embodiment, as shown in fig. 1, the spacer ring 41 is attached to the outer wall of the roll mandrel 1 by the key 9. That is, the spacer ring 41 may be provided with a key groove to connect with the roll mandrel 1.
In the above embodiment, the exterior of the lock nut 3 may be set to be a polygon such as a hexagon, an octagon, a decagon, a dodecagon, and a decagon according to actual needs. The corresponding transition sleeve 7 may be disposed in a hexagonal, octagonal, decagonal, dodecagonal, and decagonal polygon.
In the above embodiment, as shown in fig. 1, the side wall of the lock nut 3 is provided with a toggle hole 31 to facilitate assembly and disassembly of the lock nut 3. In a preferred embodiment, the exterior of the locking nut 3 is configured as a twelve-sided polygon, and the interior of the corresponding transition sleeve 6 is configured as a twelve-sided polygon.
In the above embodiment, as shown in fig. 1 and 3, the side wall of the transition sleeve 7 is provided with the toggle holes 71 to facilitate assembling and disassembling the transition sleeve 7.
In the above embodiment, the roll mandrel 1 is provided with an external thread at a position connected to the lock nut 3.
As shown in fig. 7 and 8, when the combined roller is assembled, the roller mandrel 1 is vertically erected and is tightly connected with the reaction force supporting plate 2 through the connecting part 6, then the hard alloy roller ring 41 and the spacer ring 42 are sequentially installed, the lock nut 3 is screwed, the transition sleeve 7 is installed on the lock nut 3, the hydraulic torque wrench 5 is hung on the transition sleeve 7, the hydraulic torque wrench 5 is connected with the hydraulic station through the oil pipe, the highest pressure value of the hydraulic station is set to be the required pressure value, and the hydraulic torque wrench 5 generates constant required torque according to the set pressure value and acts on the lock nut 3 through the transition sleeve 7. Then, a hydraulic station is started to supply pressure oil, a hydraulic torque wrench 5 applies proper torque to tighten the lock nut 3, the roller mandrel 1 is stretched by axial tension or the threads of the roller mandrel 1 are elastically deformed, so that the hard alloy roller ring 41 and the spacer ring 42 of the fitting 4 are subjected to sufficient axial jacking force, and the hard alloy roller ring 41 and the spacer ring 42 are mutually static by means of friction force between the hard alloy roller ring 41 and the spacer ring 42 so as to be fixed on the roller mandrel 1. When the combined roller with the nut locking device needs to be disassembled, the reverse rotation hydraulic torque wrench 5 provides reverse torque, namely the locking nut 3 can be disassembled, and then the hard alloy roller ring 41, the spacer ring 42 and the reaction force supporting plate 2 are disassembled in sequence.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A method for mounting a combined roller is characterized in that:
the method comprises the following steps:
s1: fixing a first end of a roller mandrel, sleeving an accessory in the middle of the roller mandrel, and attaching a first end face of the accessory to a second end face of a boss at the first end of the roller mandrel;
s2: and sleeving a locking nut at the second end of the roller mandrel, and rotating the locking nut to move towards the direction close to the accessory, so that the first end surface of the locking nut is tightly attached to the second end surface of the accessory, and the accessory is locked.
2. The method for mounting a composite roll according to claim 1, wherein:
the mode of fixing the first end of the roller mandrel is as follows: and fixedly connecting the first end of the roller mandrel to a reaction force supporting plate.
3. The method for mounting a composite roll according to claim 1 or 2, wherein:
in S2, the lock nut is driven to rotate by arranging a hydraulic driving part outside the lock nut.
4. The method for mounting a composite roll according to claim 3, wherein: the first end of the roller mandrel is connected to the reaction force supporting plate through a connecting part, and the first end of the roller mandrel is a fixed end of the roller mandrel.
5. The method for mounting a composite roll according to claim 4, wherein: the connecting part comprises flat square, hexagonal, octagonal, decagonal, dodecagonal or tetradecapetalus polygons arranged on the inner side surface of the reaction force supporting plate and flat square, hexagonal, octagonal, decagonal, dodecagonal or tetradecapetalus polygons correspondingly arranged on the outer wall of the roller mandrel.
6. The method for mounting a composite roll according to any one of claims 3 to 5, wherein: the hydraulic driving part is a hydraulic torque wrench, a first end of the hydraulic torque wrench is connected with the locking nut through a transition sleeve, and a second end used for being connected with a hydraulic station is arranged on the hydraulic torque wrench.
7. The method for mounting a composite roll according to claim 6, wherein: the outer part of the locking nut is a polygon with a hexagonal shape, an octagonal shape, a decagonal shape, a dodecagonal shape or a tetradecapenial shape, and the inner part of the corresponding transition sleeve is a polygon with a hexagonal shape, an octagonal shape, a decagonal shape, a dodecagonal shape or a tetradecapentic shape.
8. The method for mounting a composite roll according to claim 7, wherein: the first end of the roller mandrel is connected to the reaction force supporting plate through the flat square; the outer part of the locking nut is arranged into a twelve-square polygon, and the inner part of the corresponding transition sleeve is arranged into a twelve-square polygon; the outer part of the transition sleeve is arranged into a hexagonal polygon, and the inner part of the first end of the corresponding hydraulic torque wrench is arranged into a hexagonal polygon; the side wall of the transition sleeve is provided with a poking hole, and the side wall of the locking nut is also provided with a poking hole.
9. A method of assembling rolls according to claims 2-8, wherein: the reaction force supporting plate is fixedly connected to the four-column base, and reaction force points of the reaction force supporting plate act on two of the stand columns of the reaction force supporting plate and the four-column base.
10. A method of assembling rolls according to claims 2-9, characterized in that: the accessory comprises a hard alloy roller ring, wherein the first end face of the hard alloy roller ring is tightly jointed with the second end face of a boss of the roller mandrel, the first end face of the boss is tightly jointed with the end face of the reaction force supporting plate, the second end face of the hard alloy roller ring is tightly jointed with the first end face of the spacing ring, and the second end face of the spacing ring is tightly jointed with the first end face of the locking nut.
11. The method for mounting a composite roll according to claim 10, wherein: the inner side surface of the hard alloy roll collar connected with the outer wall of the roll mandrel is set to be a smooth surface, and the spacer ring is connected to the outer wall of the roll mandrel through a key.
12. The method of mounting a composite roll according to any one of claims 3 to 11, wherein:
further comprising S4: when the combined roller is disassembled, the hydraulic driving part provides reverse torque to disassemble the locking nut, and then the accessories and the counterforce supporting plate are sequentially disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210995545.5A CN115351091A (en) | 2017-12-11 | 2017-12-11 | Installation method of combined roller |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305875.2A CN107999541B (en) | 2017-12-11 | 2017-12-11 | Nut locking device and combined roller with same |
| CN202210995545.5A CN115351091A (en) | 2017-12-11 | 2017-12-11 | Installation method of combined roller |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711305875.2A Division CN107999541B (en) | 2017-12-11 | 2017-12-11 | Nut locking device and combined roller with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115351091A true CN115351091A (en) | 2022-11-18 |
Family
ID=62057710
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410209584.7A Pending CN117983664A (en) | 2017-12-11 | 2017-12-11 | Combined roller and nut locking device for assembling combined roller |
| CN202210995545.5A Pending CN115351091A (en) | 2017-12-11 | 2017-12-11 | Installation method of combined roller |
| CN202110856307.1A Active CN113714298B (en) | 2017-12-11 | 2017-12-11 | Combined roller, nut locking device and combined roller with nut locking device |
| CN201711305875.2A Active CN107999541B (en) | 2017-12-11 | 2017-12-11 | Nut locking device and combined roller with same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202410209584.7A Pending CN117983664A (en) | 2017-12-11 | 2017-12-11 | Combined roller and nut locking device for assembling combined roller |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110856307.1A Active CN113714298B (en) | 2017-12-11 | 2017-12-11 | Combined roller, nut locking device and combined roller with nut locking device |
| CN201711305875.2A Active CN107999541B (en) | 2017-12-11 | 2017-12-11 | Nut locking device and combined roller with same |
Country Status (3)
| Country | Link |
|---|---|
| CN (4) | CN117983664A (en) |
| DE (1) | DE112018006299T5 (en) |
| WO (1) | WO2019114362A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999541A (en) * | 2017-12-11 | 2018-05-08 | 株洲硬质合金集团有限公司 | A kind of nut locked instrument and the assembly roller with the device |
| CN116274382A (en) * | 2023-03-09 | 2023-06-23 | 中国机械总院集团北京机电研究所有限公司 | Integral cross wedge rolling die, and mounting structure and mounting method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744387A (en) * | 2020-05-22 | 2021-05-04 | 蓬莱市超硬复合材料有限公司 | Hard alloy combined roller locking device |
| CN111999305B (en) * | 2020-08-17 | 2023-04-25 | 浙江师范大学 | Machine vision hardware system and hub spline combination gap vision detection method |
| CN112139249A (en) * | 2020-08-21 | 2020-12-29 | 株洲硬质合金集团有限公司 | Nut bidirectional locking device and combined roller |
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| DE8806968U1 (en) * | 1988-05-27 | 1988-07-28 | Kark, Uwe, 2104 Hamburg | Rolling device consisting of a shaft and at least one rolling ring arranged thereon |
| JP3198877B2 (en) * | 1995-07-24 | 2001-08-13 | 三菱マテリアル株式会社 | Simple clamp type rolling roll |
| CN2436248Y (en) * | 2000-06-27 | 2001-06-27 | 烟台开发区东星工业有限责任公司 | Prestress locking combined roller |
| RU2185905C2 (en) * | 2000-11-13 | 2002-07-27 | ОАО Челябинский металлургический комбинат "МЕЧЕЛ" | Method for assembling built-up rolling rolls |
| JP2002153904A (en) * | 2000-11-17 | 2002-05-28 | Hitachi Metals Ltd | Built-up rolling roll |
| CN2621844Y (en) * | 2003-05-20 | 2004-06-30 | 戎庆南 | Combined roller appts. |
| CN2719432Y (en) * | 2004-07-27 | 2005-08-24 | 张轶 | Mechanical locking combined roll |
| CN2776584Y (en) * | 2005-03-31 | 2006-05-03 | 株洲硬质合金集团有限公司 | Hard alloy composite mill roll |
| CN101898343A (en) * | 2010-08-12 | 2010-12-01 | 太仓优尼泰克精密机械有限公司 | Hydraulic wrench |
| CN102205347B (en) * | 2011-04-28 | 2013-03-20 | 株洲硬质合金集团有限公司 | Combined hydraulic pre-tightening locking device and hard alloy compound roller |
| CN202639796U (en) * | 2012-06-20 | 2013-01-02 | 株洲硬质合金集团有限公司 | Pre-tightening locking device for clamping parts on shaft |
| CN102847714A (en) * | 2012-08-15 | 2013-01-02 | 浙江恒成硬质合金有限公司 | Composite hard alloy roller |
| CN102847716A (en) * | 2012-08-15 | 2013-01-02 | 浙江恒成硬质合金有限公司 | Composite hard alloy roller |
| CN103394512A (en) * | 2013-07-24 | 2013-11-20 | 浙江朋诚科技有限公司 | Roll collar locking device |
| CN205218970U (en) * | 2015-12-14 | 2016-05-11 | 纽威数控装备（苏州）有限公司 | Moment of torsion controlling means |
| CN107225152A (en) * | 2016-03-23 | 2017-10-03 | 自贡硬质合金有限责任公司 | A kind of composite roll and preparation method thereof |
| CN205952607U (en) * | 2016-07-30 | 2017-02-15 | 深圳市华佳安运输有限公司 | Beer transport case |
| CN117983664A (en) * | 2017-12-11 | 2024-05-07 | 株洲硬质合金集团有限公司 | Combined roller and nut locking device for assembling combined roller |
| CN207606103U (en) * | 2017-12-11 | 2018-07-13 | 株洲硬质合金集团有限公司 | A kind of nut locked instrument and the assembly roller with the device |
-
2017
- 2017-12-11 CN CN202410209584.7A patent/CN117983664A/en active Pending
- 2017-12-11 CN CN202210995545.5A patent/CN115351091A/en active Pending
- 2017-12-11 CN CN202110856307.1A patent/CN113714298B/en active Active
- 2017-12-11 CN CN201711305875.2A patent/CN107999541B/en active Active
-
2018
- 2018-09-21 WO PCT/CN2018/107042 patent/WO2019114362A1/en active Application Filing
- 2018-09-21 DE DE112018006299.6T patent/DE112018006299T5/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999541A (en) * | 2017-12-11 | 2018-05-08 | 株洲硬质合金集团有限公司 | A kind of nut locked instrument and the assembly roller with the device |
| CN107999541B (en) * | 2017-12-11 | 2024-03-19 | 株洲硬质合金集团有限公司 | Nut locking device and combined roller with same |
| CN116274382A (en) * | 2023-03-09 | 2023-06-23 | 中国机械总院集团北京机电研究所有限公司 | Integral cross wedge rolling die, and mounting structure and mounting method thereof |
| CN116274382B (en) * | 2023-03-09 | 2024-03-26 | 中国机械总院集团北京机电研究所有限公司 | Integral cross wedge rolling die, and mounting structure and mounting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019114362A1 (en) | 2019-06-20 |
| CN113714298B (en) | 2023-03-28 |
| CN113714298A (en) | 2021-11-30 |
| CN107999541A (en) | 2018-05-08 |
| CN107999541B (en) | 2024-03-19 |
| CN117983664A (en) | 2024-05-07 |
| DE112018006299T5 (en) | 2020-10-08 |
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