CN117983664A - Combined roller and nut locking device for assembling combined roller - Google Patents

Combined roller and nut locking device for assembling combined roller Download PDF

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Publication number
CN117983664A
CN117983664A CN202410209584.7A CN202410209584A CN117983664A CN 117983664 A CN117983664 A CN 117983664A CN 202410209584 A CN202410209584 A CN 202410209584A CN 117983664 A CN117983664 A CN 117983664A
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CN
China
Prior art keywords
roller
roll
mandrel
boss
nut
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
Application number
CN202410209584.7A
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Chinese (zh)
Inventor
唐志军
范明
屠永宁
曹济
崔亮亮
彭文
姚曼萍
谢英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou Cemented Carbide Group Co Ltd
Original Assignee
Zhuzhou Cemented Carbide Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuzhou Cemented Carbide Group Co Ltd filed Critical Zhuzhou Cemented Carbide Group Co Ltd
Priority to CN202410209584.7A priority Critical patent/CN117983664A/en
Publication of CN117983664A publication Critical patent/CN117983664A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02Shape or construction of rolls
    • B21B27/03Sleeved rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

The invention discloses a combined roller and a nut locking device for assembling the same, wherein the combined roller comprises a roller mandrel, a boss is arranged at the first end of the roller mandrel, a locking nut is arranged at the second end of the roller mandrel, a plurality of hard alloy roller rings and spacing rings which are sequentially arranged and are mutually arranged at intervals are arranged on the roller mandrel, the hard alloy roller rings and the spacing rings are arranged between the boss and the locking nut, and a polygon is further arranged at the first end of the roller mandrel and transmits torque when the combined roller is assembled. The combined roller and nut locking device has the advantages of high combined connection strength, stable assembly pressure and convenient assembly and disassembly.

Description

Combined roller and nut locking device for assembling combined roller
The present invention relates to a Chinese patent CN201711305875.2, a nut locking device and a divisional application of a combined roller with the device.
Technical Field
The invention relates to a combined roller and a nut locking device for assembling the combined roller.
Background
The high-performance large-size hard alloy combined roller is generally applied to rolling of round bars, coils and deformed steel bars with high strength, shock resistance, special steel and the like. The scientific and reasonable combined roller structure can utilize the characteristics of good heat conductivity, good red hardness, good thermal fatigue resistance, good wear resistance, high strength and the like of the hard alloy, and develop the hard alloy as a material of the outer layer of the roller. The mode of combining the hard alloy outer layer and the high-toughness roller core not only keeps the excellent characteristics of high hardness, high wear resistance, hot cracking resistance and the like of the outer layer, but also can fully exert the functions of high strength and high toughness of the roller core, thereby realizing the good combination of double materials, improving the comprehensive performance of the roller, ensuring the service life and high reliability of the roller and improving the quality of the rolled material.
The common combination mode of the hard alloy outer layer and the high-toughness roller core is that the mandrel and the hard alloy roller ring are subjected to adhesive bonding, interference fit assembly, hydraulic nut locking, CIC key locking and the like. The patent application with the application number 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 thread roller ring are sequentially arranged on the spline shaft through spline holes. However, the structure is driven by 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, after the hydraulic nut reaches the required pre-tightening force, a locking ring or a wedge ring is inserted between the hydraulic nut and the clamped part to fill the gap between the hydraulic nut and the clamped part, and the pre-tightening force of the tightening mechanism is maintained after the hydraulic nut is depressurized. However, in the first place, the seal of the hydraulic nut is easily aged due to factors such as the on-site rolling temperature and the coolant, and is not easy to be used repeatedly, resulting in high cost. Secondly, the sealing member 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 pretension locking device for clamping a part on a shaft. Patent application number 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 the Chinese patent ZL201220292180.1 and the application No. 201110107442.2 are complex in assembly and disassembly operations, the assembly pressure is not constant, and the design space is insufficient, so that the reliability of assembly is low, the overall strength and quality of the product are reduced, the working capacity of the product under abnormal working conditions and large rolling is reduced, the combined connection strength is reduced, the service life is reduced, and the production cost is increased.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a nut locking device with high combined connection strength, stable assembly pressure and convenient assembly and disassembly and a combined roller.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the first aspect of the invention provides a combined roller, which comprises a roller mandrel, wherein a boss is arranged at the first end of the roller mandrel, a lock nut is arranged at the second end of the roller mandrel, a plurality of hard alloy roller rings and spacing rings which are sequentially arranged and are mutually arranged at intervals are arranged on the roller mandrel, the roller rings and the spacing rings are arranged between the boss and the lock nut, a polygon is further arranged at the first end of the roller mandrel, and torque is transmitted when the combined roller is assembled by the polygon.
In one embodiment, the boss is an interference fit with the roll mandrel.
In one embodiment, the boss is formed by the body of the roll mandrel.
In one embodiment, the polygon is disposed on or entirely on the outer wall of the first end of the boss or between the stub shaft of the first end of the roll mandrel and the first end face of the boss.
In one embodiment, the second end surface of the boss is in close engagement with the cemented carbide roll collar or spacer.
In one embodiment, the polygon is a flat square, hexagonal, octagon, dodecagon, or decagon.
In one embodiment, key grooves are correspondingly formed in the spacer ring and the roller mandrel, and the spacer ring is connected with the roller mandrel through keys.
In one embodiment, the inner side surface of the roll collar connected with the outer wall of the roll mandrel is smooth.
In one embodiment, the roller mandrel is provided with external threads at the location where it is connected to the lock nut.
The second aspect of the invention provides a nut locking device for assembling and locking the combined roller, which comprises a reaction force supporting plate sleeved on a polygon of a roller mandrel of the combined roller, and a hydraulic driving part which can be connected with the outside of a locking nut at the other end of the roller mandrel and is used for driving the locking nut to lock, wherein a torque transmission part matched with the polygon is arranged on the reaction force supporting plate.
In one embodiment, the reaction force support plate is disposed on a base.
In one embodiment, the base is a four-column base.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. the nut locking device has the advantages of simple structure, high combined connection strength and convenient assembly and disassembly, and can improve the pressure stability in the assembly process. 2. The nut locking device can prevent the occurrence of cracking and transverse cutting of the locking nut due to high strength of the locking nut, thereby greatly improving the reliability of assembly and improving the strength and quality of products against abnormal working conditions. 3. The combined roller has 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%, the problem that the overall strength and quality of the product are reduced due to the fact that part of the design space is insufficient can be solved, and the service life of the combined roller is prolonged. 5. The combined roller lock nut has high strength, and can greatly improve the assembly reliability of the combined roller, thereby improving the working capacity of the combined roller under large rolling.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
For a clearer description of the technical solutions in the embodiments of the present invention, the following description will briefly explain the drawings required in the description of the embodiments:
FIG. 1 is a schematic view of a composite roll with nut locking device of the present invention;
FIG. 2 is a schematic view in the direction A of FIG. 1;
FIG. 3 is a schematic front view of a transition sleeve of the present invention;
FIG. 4 is a schematic top view of FIG. 3;
FIG. 5 is a schematic view of the construction of the lock nut of the present invention;
FIG. 6 is a schematic top view of FIG. 5;
FIG. 7 is a schematic view of the assembly process of the nut lock of the present invention;
Fig. 8 is a schematic view of the structure of the combination roll of the present invention.
Detailed Description
The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
As shown in fig. 1, the nut locking device provided by the invention is used for assembling and locking the combined roller so as to clamp a part on a roller mandrel 1, and comprises a reaction force supporting plate 2 sleeved on a first end of the shaft 1, a locking nut 3 tightly sleeved on a second end of the roller mandrel 1, and a fitting 4 sleeved on the middle part of the roller mandrel 1. Wherein a first end face of the fitting 4 is in fastening engagement with an end face of the shaft 1 adjacent to the reaction force support plate 2 and a second end face of the fitting 4 is in fastening engagement with a first end face of the lock nut 3. A hydraulic drive unit 5 for driving the lock fitting 4 of the lock nut 3 is provided outside the lock nut 3. Under the action of the reaction force support plate 2 and the locking nut 3, the fitting 4 can be fastened and locked on the outer wall of the roll mandrel 1.
In the above embodiment, the reaction force supporting plate 2 is connected to the first end of the shaft 1 by the connecting portion 6 (shown in fig. 2), which is the fixed end of the shaft 1, and the connecting portion 6 is capable of transmitting torque, wherein the connecting portion 6 is polygonal.
In the above-described embodiment, the connecting portion 6 includes the flat square, hexagonal, octagon, dodecagon, etc. polygons provided on the inner side surface of the reaction force supporting plate 2, and the flat square, hexagonal, octagon, dodecagon, decagon, etc. polygons provided correspondingly on the outer wall of the shaft 1. In a preferred embodiment, the reaction force support plate 2 is connected to the first end of the roll mandrel 1 by a flat square. The size of the flat square is determined according to the outer diameter size of a bearing labyrinth arranged on the roller mandrel 1.
In the above embodiment, the hydraulic driving part 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 sleeve 7 (shown in fig. 3 and 4). The second end for connecting a hydraulic station is arranged on the hydraulic torque wrench 5, 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 torsion moment to act on the lock nut 3 through the transition sleeve 7 according to the set pressure value.
In the above embodiment, the outer portion of the lock nut 3 may be arranged in a polygonal shape of a hexagon, an octagon, a dodecagon, a decagon, etc. according to actual needs. The interior of the corresponding transition sleeve 7 may also be provided as a polygon of hexagonal, octagonal, dodecagonal etc.
In the above embodiment, the toggle hole 31 is provided on the sidewall of the lock nut 3 to facilitate assembling and disassembling the lock nut 3. In a preferred embodiment, the outer part of the lock nut 3 is provided with a dodecagonal polygon and the inner part of the corresponding transition sleeve 7 is provided with a dodecagonal polygon.
In the above embodiment, the outer portion of the transition sleeve 7 is provided in a hexagonal polygon, and the inner portion of the first end of the corresponding hydraulic torque wrench 5 is provided in a hexagonal polygon.
In the above embodiment, as shown in fig. 1 and 3, the sidewall of the transition sleeve 7 is provided with a toggle hole 71 to facilitate assembling and disassembling the transition sleeve 7.
In the above embodiment, the fitting 4 includes the cemented carbide roll collar 41 having the first end face tightly engaged with the second end face of the boss 11 of the shaft 1, and the first end face of the boss 11 is tightly engaged with the end face of the reaction force supporting plate 2. The second end surface of the hard alloy roll collar 41 is tightly jointed with the first end surface of the spacer ring 42, and the second end surface of the spacer ring 42 is tightly jointed with the first end surface of the lock nut 3. The number of the spacer rings 42 is one or more, and may be set according to actual needs. The number of the hard alloy roll collars 41 is one or more, and can be set according to actual needs. When the cemented carbide roll collar 41 and the spacer ring 42 are respectively plural, the plural spacer rings 42 and the plural 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 shaft 1 is provided as a smooth surface.
In the above embodiment, the spacer ring 41 is attached to the outer wall of the shaft 1 by the key 8. I.e. the spacer ring 41 is splined to the shaft 1.
In the above embodiment, the reaction force supporting plate 2 is fixedly attached 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 columns 9 of the four-column base (as shown in fig. 7).
As shown in fig. 1 and 7, when the nut locking device of the present invention clamps a part on a roll mandrel 1, firstly, the roll mandrel 1 is erected and is fixedly connected with a reaction force support plate 2 through a connecting portion 6, namely, a polygon, then a hard alloy roll collar 41 and a spacer 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 hoisted on the transition sleeve 7, the hydraulic torque wrench 5 is connected with a hydraulic station through an oil pipe, the highest pressure value of the hydraulic station is set to a required pressure value, and a constant required torsion moment is generated on the lock nut 3 through the transition sleeve 7 by the hydraulic torque wrench 5 according to the set pressure value. Then, the hydraulic station is started to supply pressure oil, the hydraulic torque wrench 5 applies proper torque to screw the lock nut 3, so that the roller mandrel 1 is stretched by axial tension or the threads of the roller mandrel 1 are elastically deformed, the hard alloy roller collar 41 and the spacer ring 42 of the fitting 4 are subjected to enough axial pushing force, and the hard alloy roller collar 41 and the spacer ring 42 are mutually static by virtue of friction force between the hard alloy roller collar 41 and the spacer ring 42 so as to be fixed on the roller mandrel 1. When the roll mandrel 1 with the nut locking device needs to be disassembled, the locking nut 3 can be disassembled by reversely rotating the hydraulic torque wrench 5 to provide reverse torsional moment, and then the hard alloy roll collar 41, the spacer 42 and the reaction force supporting plate 2 are disassembled in sequence.
As shown in fig. 8, the present invention further provides a combined roll, comprising a roll mandrel 1, wherein a boss 11 is provided at a first end of the roll mandrel 1, a connecting portion 6 for connecting a reaction force supporting plate 2 is provided on the roll mandrel 1 near the first end face of the boss 11, a fitting 4 is fastened and sleeved in the middle of the roll mandrel 1, a lock nut 3 for locking the fitting 4 is fastened and connected at a second end of the roll mandrel 1, the first end face of the fitting 4 is fastened and connected with a second end face of the boss 11, the second end face of the fitting 4 is fastened and connected with the first end face of the lock nut 3, and a hydraulic driving component 5 for driving the lock nut 3 to lock the fitting 4 is provided outside the lock 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 connection portion 6 (shown in fig. 2), and the connection portion 6 is capable of transmitting torque.
In the above embodiment, the connecting portion 6 includes the flat square, hexagonal, octagon, dodecagon, etc. polygons provided on the inner side surface of the reaction force supporting plate 2, and the flat square, hexagonal, octagon, dodecagon, etc. polygons provided correspondingly on the outer wall of the roll mandrel 1. In a preferred embodiment, the connection 6 is a flat square, by means of which the reaction force support plate 2 is connected to the first end of the roll mandrel 1. The size of the flat square is determined according to the outer diameter size of a bearing labyrinth arranged on the roller mandrel 1.
In the above embodiment, the hydraulic driving part 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 sleeve 7 (shown in fig. 3 and 4). The second end for connecting a hydraulic station is arranged on the hydraulic torque wrench 5, 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 torsion moment to act on the lock nut 3 through the transition sleeve 7 according to the set pressure value.
In the above embodiment, as shown in fig. 1 and 8, the fitting 4 includes the cemented carbide roll collar 41 having the first end face tightly engaged with the second end face of the boss 11 of the roll mandrel 1, and the first end face of the boss 11 is tightly engaged with the end face of the reaction force supporting plate 2. The second end surface of the hard alloy roll collar 41 is tightly jointed with the first end surface of the spacer ring 42, and the second end surface of the spacer ring 42 is tightly jointed with the first end surface of the lock nut 3. The number of the spacer rings 42 is one or more, and may be set according to actual needs. The number of the hard alloy roll collars 41 is one or more, and can be set according to actual needs. When the cemented carbide roll collar 41 and the spacer ring 42 are respectively plural, the plural spacer rings 42 and the plural 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 provided as a smooth surface.
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 8. The spacer ring 41 can be provided with a key slot to be connected with the roll mandrel 1.
In the above embodiment, the outer portion of the lock nut 3 may be arranged in a polygonal shape of a hexagon, an octagon, a dodecagon, a decagon, etc. according to actual needs. The interior of the corresponding transition sleeve 7 may also be provided as a polygon of hexagonal, octagonal, dodecagonal etc.
In the above embodiment, as shown in fig. 1, the toggle hole 31 is provided on the sidewall of the lock nut 3 to facilitate the assembly and disassembly of the lock nut 3. In a preferred embodiment, the outer part of the lock nut 3 is provided with a dodecagonal polygon and the corresponding inner part of the transition sleeve 6 is provided with a dodecagonal polygon.
In the above embodiment, as shown in fig. 1 and 3, the sidewall of the transition sleeve 7 is provided with a toggle hole 71 to facilitate assembling and disassembling the transition sleeve 7.
In the above embodiment, the external thread is provided on the roll mandrel 1 at the position where it is connected to the lock nut 3.
As shown in fig. 7 and 8, when the combined roll of the present invention is assembled, the roll mandrel 1 is erected and fastened to the reaction force support plate 2 through the connection portion 6, then the cemented carbide roll collar 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 hoisted 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 a required pressure value, and a constant required torsion moment is generated on the lock nut 3 through the transition sleeve 7 by the hydraulic torque wrench 5 according to the set pressure value. Then, the hydraulic station is started to supply pressure oil, the hydraulic torque wrench 5 applies proper torque to screw the lock nut 3, so that the roller mandrel 1 is stretched by axial tension or the threads of the roller mandrel 1 are elastically deformed, the hard alloy roller collar 41 and the spacer ring 42 of the fitting 4 are subjected to enough axial pushing force, and the hard alloy roller collar 41 and the spacer ring 42 are mutually static by virtue of friction force between the hard alloy roller collar 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 locking nut 3 can be disassembled by reversely rotating the hydraulic torque wrench 5 to provide reverse torsional moment, and then the hard alloy roller collar 41, the spacing ring 42 and the reaction force supporting plate 2 are disassembled in sequence.
Although the embodiments of the present invention are disclosed above, the embodiments are only used for the convenience of understanding the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims (12)

1. The combined roller is characterized by comprising a roller mandrel, wherein a boss is arranged at the first end of the roller mandrel, a lock nut is arranged at the second end of the roller mandrel, a plurality of hard alloy roller rings and spacing rings which are sequentially arranged and are mutually arranged at intervals are arranged on the roller mandrel, the hard alloy roller rings and the spacing rings are arranged between the boss and the lock nut, a polygon is further arranged at the first end of the roller mandrel, and torque is transmitted when the combined roller is assembled by the polygon.
2. The combination roll of claim 1, wherein the boss is an interference fit with the roll mandrel.
3. The combination roll of claim 1, wherein the boss is formed by a body of the roll mandrel.
4. A combination roll according to any one of claims 1-3, characterized in that the polygon is arranged on the outer wall of the first end of the boss or on the outer wall of the entire boss or between the stub shaft at the first end of the roll spindle and the first end face of the boss.
5. The combination roll of claim 4, wherein the second end surface of the boss is in tight engagement with the carbide collar or spacer.
6. A combination roll according to any one of claims 1-3, characterized in that the polygon is a flat square, a hexagonal, an octagon, a dodecagon, or a decagon.
7. A combination roll according to any one of claims 1-3, characterized in that the spacer ring and the roll mandrel are provided with keyways, respectively, and the spacer ring is connected to the roll mandrel by means of keys.
8. A composite roll according to any one of claims 1-3, wherein the inner side of the cemented carbide roll collar, which is connected to the outer wall of the roll mandrel, is smooth.
9. A combination roll according to any one of claims 1-3, characterized in that the roll mandrel is provided with external threads at the location of the connection with the lock nut.
10. A nut locking device for assembling a combination roll according to any one of claims 1 to 9, characterized by comprising a reaction force support plate which is fitted over a polygon of a roll mandrel of the combination roll, and a hydraulic driving member which is connectable to the outside of a lock nut at the other end of the roll mandrel and is adapted to drive the lock nut to lock, the reaction force support plate being provided with a torque transmitting portion which is adapted to the polygon.
11. A nut lock as claimed in claim 10, wherein said reaction force support plate is provided on a base.
12. A nut lock arrangement as claimed in claim 11, wherein said base is a four post base.
CN202410209584.7A 2017-12-11 2017-12-11 Combined roller and nut locking device for assembling combined roller Pending CN117983664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410209584.7A CN117983664A (en) 2017-12-11 2017-12-11 Combined roller and nut locking device for assembling 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
CN202410209584.7A CN117983664A (en) 2017-12-11 2017-12-11 Combined roller and nut locking device for assembling 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
CN117983664A true CN117983664A (en) 2024-05-07

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Family Applications (4)

Application Number Title Priority Date Filing Date
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
CN202410209584.7A Pending CN117983664A (en) 2017-12-11 2017-12-11 Combined roller and nut locking device for assembling combined roller
CN201711305875.2A Active CN107999541B (en) 2017-12-11 2017-12-11 Nut locking device and combined roller with same

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Application Number Title Priority Date Filing Date
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

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Application Number Title Priority Date Filing Date
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CN (4) CN115351091A (en)
DE (1) DE112018006299T5 (en)
WO (1) WO2019114362A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115351091A (en) * 2017-12-11 2022-11-18 株洲硬质合金集团有限公司 Installation method of combined roller
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
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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102847716A (en) * 2012-08-15 2013-01-02 浙江恒成硬质合金有限公司 Composite hard alloy roller
CN102847714A (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
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
CN115351091A (en) * 2017-12-11 2022-11-18 株洲硬质合金集团有限公司 Installation method of combined roller

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CN107999541A (en) 2018-05-08
DE112018006299T5 (en) 2020-10-08
CN115351091A (en) 2022-11-18
CN113714298A (en) 2021-11-30
WO2019114362A1 (en) 2019-06-20
CN107999541B (en) 2024-03-19
CN113714298B (en) 2023-03-28

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