Novel multifunctional adjustable fastening device for 12CrMoV alloy steel

Abstract

The utility model relates to a novel 12CrMoV alloy steel multifunctional adjustable fastening device, which mainly relates to the field of multifunctional adjustable fastening devices, and mainly comprises a fixed dimension specification fastening end, a middle handle device, a high-strength galvanized bolt, a movable end U-shaped fastening device, a high-strength galvanized nut and a high-strength pressure tooth. The middle handle device and the moving end U-shaped fastening device are connected through a high-strength galvanized bolt and a high-strength galvanized nut. The utility model has the advantages that: firstly, the fastening end with the fixed size specification can be used for disassembling and fastening a bolt with the fixed size; and secondly, the movable end U-shaped fastening device and the high-strength pressure teeth are precisely matched, so that bolts of different specifications and round pipes of different specifications can be disassembled and fastened, and the daily working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to a new type of 12CrMoV alloy steel multi-functional adjustable fastening device, mainly relating to the field of multi-functional adjustable fastening devices. Background Art

[0002] During the daily operation and maintenance of medical equipment, we often encounter the situation that the base of medical equipment is damaged, so it needs to be disassembled and repaired. At this time, it is necessary to quickly disassemble bolts of different specifications. Therefore, it is necessary to frequently replace the specifications of the fastening device, which will greatly affect the disassembly operation efficiency of the medical equipment base. Therefore, the utility model provides a new type of 12CrMoV alloy steel multi-functional adjustable fastening device, which can greatly improve the daily work efficiency and operation and maintenance quality.

[0003] The invention patent with the authorization announcement number of CN108716501B provides an adaptive fastening device, which relates to the technical field of mechanical equipment auxiliary devices, including a fastening device main body, a base, an upper adjustment pad and a lower adjustment pad. By using multiple adaptive fastening devices in cooperation, the mechanical equipment can be horizontally installed, thus ensuring the operation of the mechanical equipment. The difference between the utility model and this invention is that: the fixed-size fastening end of the utility model can complete the disassembly and fastening of bolts with fixed sizes; at the same time, the precise cooperation between the mobile U-shaped fastening device and the high-strength pressure teeth can complete the disassembly and fastening of bolts with different specifications and round tubes with different specifications, which can greatly improve the daily work efficiency. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a new type of 12CrMoV alloy steel multi-functional adjustable fastening device, and the technical solution of the utility model is as follows:

[0005] A new type of 12CrMoV alloy steel multi-functional adjustable fastening device, mainly relating to the field of multi-functional adjustable fastening devices, mainly including a fixed-size fastening end, an intermediate handle device, high-strength galvanized bolts, a mobile U-shaped fastening device, high-strength galvanized nuts and high-strength pressure teeth; the intermediate handle device and the mobile U-shaped fastening device are tightly connected by high-strength galvanized bolts and high-strength galvanized nuts; the edge of the mobile U-shaped fastening device is polished with 800-mesh sandpaper; the joint surface between the mobile U-shaped fastening device and the high-strength pressure teeth is polished and fitted.

[0006] The notch transverse dimension of the fixed-size fastening end is 27 mm, the radius of the internal arc is 20 mm, the radius of the frontmost arc is 2 mm, the radius of the transition arcs on both sides is 31 mm, the radius of the arcs protruding from the outermost edges on both sides is 15 mm, and the radius of the transition arc at the internal end is 35 mm; the fixed-size fastening end is shaped by molybdenum wire cutting and is treated by the quenching process and the anti-corrosion and wear-resistant spraying process as a whole.

[0007] The outermost width of the middle handle device is 24 mm, the internal recessed width is 18.4 mm, and the height of the protrusions on both edges is 1.5 mm; the middle handle device is machined by a CNC milling machine and polished with 800-mesh sandpaper, and is treated by the oil quenching process and the surface galvanizing process as a whole.

[0008] The diameter of the high-strength galvanized bolt is 9.5 mm; the top nut part is hexagonal and is treated by the quenching process and the surface galvanizing process; the main body part of the bolt is treated by the oil quenching process.

[0009] The notch transverse dimension of the mobile U-shaped fastening device is 27 mm, the radius of the internal arc is 20 mm, the radius of the frontmost arc is 2 mm, the radius of the transition arcs on both sides is 31 mm, the radius of the arcs protruding from the outermost edges on both sides is 15 mm, and the radius of the transition arc at the internal end is 35 mm; the center of the threaded round hole of the mobile U-shaped fastening device is 8 mm away from the inner edge and 7 mm away from the outer edge; the mobile U-shaped fastening device is treated by the quenching process and the anti-corrosion and wear-resistant spraying process; the inner contact surface is polished with 1000-mesh sandpaper and is treated by the polishing process.

[0010] The internal thread diameter of the high-strength galvanized nut is 9.5 mm, the surface of the nut is treated by the quenching process and the surface galvanizing process, and the internal thread of the nut is treated by the oil quenching process.

[0011] There are a total of 5 high-strength pressure teeth, the distance between every two adjacent high-strength pressure teeth is 2.2 mm, and they are polished with 800-mesh sandpaper; the high-strength pressure teeth are treated by the oil quenching process and the surface galvanizing process.

[0012] The fixed-size fastening end, the middle handle device, the high-strength galvanized bolt, the mobile U-shaped fastening device, the high-strength galvanized nut and the high-strength pressure teeth are all prepared from 12CrMoV alloy steel.

[0013] The advantages of the present 12CrMoV alloy steel multi-functional adjustable fastening device are as follows: Firstly, the fixed-size fastening end can be used to disassemble and fasten bolts of fixed sizes. Secondly, the precise cooperation between the mobile U-shaped fastening device and the high-strength pressure teeth enables the disassembly and fastening of bolts and round tubes of different specifications, which can greatly improve the daily work efficiency. Finally, the fixed-size fastening end, the middle handle device, the high-strength galvanized bolts, the mobile U-shaped fastening device, the high-strength galvanized nuts, and the high-strength pressure teeth are all made of 12CrMoV alloy steel, with high strength and long service life, which can greatly reduce the economic losses caused by device damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front three-dimensional perspective view of the present utility model.

[0015] Figure 2 is the back three-dimensional perspective view of the present utility model.

[0016] Figure 3 is Figure 2 the top view of

[0017] Figure 4 is Figure 2 the front view of

[0018] Figure 5 is Figure 2 the left view of DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with specific embodiments, and the advantages and features of the present utility model will become clearer with the description.

[0020] Referring to Figures 1 to 5 , a new type of 12CrMoV alloy steel multi-functional adjustable fastening device, mainly relates to the field of multi-functional adjustable fastening devices, and mainly includes a fixed-size fastening end [1], a middle handle device [2], high-strength galvanized bolts [3], a mobile U-shaped fastening device [4], high-strength galvanized nuts [5], and high-strength pressure teeth [6]; the middle handle device [2] and the mobile U-shaped fastening device [4] are tightly connected by high-strength galvanized bolts [3] and high-strength galvanized nuts [5]; the edge of the mobile U-shaped fastening device [4] is polished with 800-mesh sandpaper; the joint surface between the mobile U-shaped fastening device [4] and the high-strength pressure teeth [6] is polished and fitted.

[0021] The transverse dimension of the notch of the fixed-size fastening end [1] is 27 mm, the radius of the internal arc is 20 mm, the radius of the frontmost arc is 2 mm, the radius of the transition arcs on both sides is 31 mm, the radius of the arcs protruding from the outermost edges on both sides is 15 mm, and the radius of the transition arc at the internal end is 35 mm; the fixed-size fastening end [1] is shaped by molybdenum wire cutting and is treated with a quenching process and an anti-corrosion and wear-resistant spraying process overall.

[0022] The outermost width of the middle handle device [2] is 24 mm, the internal recessed width is 18.4 mm, and the height of the protrusions on both edges is 1.5 mm; the middle handle device [2] is machined by a CNC milling machine and polished with 800-mesh sandpaper, and is treated with a quenching-in-oil process and a surface galvanizing process overall.

[0023] The diameter of the high-strength galvanized bolt is 9.5 mm [3]; the top nut part is hexagonal and is treated with a quenching process and a surface galvanizing process; the main body part of the bolt is treated with a quenching-in-oil process.

[0024] The transverse dimension of the notch of the mobile U-shaped fastening device [4] is 27 mm, the radius of the internal arc is 20 mm, the radius of the frontmost arc is 2 mm, the radius of the transition arcs on both sides is 31 mm, the radius of the arcs protruding from the outermost edges on both sides is 15 mm, and the radius of the transition arc at the internal end is 35 mm; the distance from the center of the threaded round hole of the mobile U-shaped fastening device [4] to the inner edge is 8 mm and to the outer edge is 7 mm; the mobile U-shaped fastening device [4] is treated with a quenching process and an anti-corrosion and wear-resistant spraying process; the inner contact surface is polished with 1000-mesh sandpaper and is treated with a polishing process.

[0025] The internal thread diameter of the high-strength galvanized nut [5] is 9.5 mm, the nut surface is treated with a quenching process and a surface galvanizing process, and the internal thread of the nut is treated with a quenching-in-oil process.

[0026] There are a total of 5 high-strength pressure teeth [6], the distance between every two adjacent high-strength pressure teeth [6] is 2.2 mm, and they are polished with 800-mesh sandpaper; the high-strength pressure teeth [6] are treated with a quenching-in-oil process and a surface galvanizing process.

[0027] The fixed-size fastening end [1], the middle handle device [2], the high-strength galvanized bolt [3], the mobile U-shaped fastening device [4], the high-strength galvanized nut [5], and the high-strength pressure teeth [6] are all prepared from 12CrMoV alloy steel.

[0028] The working principle of this 12CrMoV alloy steel multi-functional adjustable fastening device is as follows: When maintenance technicians perform operation and maintenance, the fastening end [1] with a fixed size specification can quickly and accurately disassemble and fasten bolts of a fixed size, which can greatly improve the disassembly operation of bolts with a fixed size specification.

[0029] The precise cooperation between the mobile U-shaped fastening device [4] and the high-strength pressure teeth [6] can complete the disassembly and fastening of bolts and round tubes of different specifications, which can greatly improve the daily work efficiency.

[0030] The fastening end [1] with a fixed size specification, the middle handle device [2], the high-strength galvanized bolt [3], the mobile U-shaped fastening device [4], the high-strength galvanized nut [5] and the high-strength pressure teeth [6] are all made of 12CrMoV alloy steel, with high strength and long service life, which can greatly reduce the economic losses caused by device damage.

Claims

1. A new type of 12CrMoV alloy steel multifunctional adjustable fastening device, characterized in that: It mainly includes a fixed size fastening end, an intermediate handle device, a high-strength galvanized bolt, a mobile end U-shaped fastening device, a high-strength galvanized nut and a high-strength pressure tooth; the intermediate handle device and the mobile end U-shaped fastening device are fastened and connected by high-strength galvanized bolts and high-strength galvanized nuts; the mobile end U-shaped fastening device is edge-grinded with 800-grit sandpaper; the fitting surfaces of the mobile end U-shaped fastening device and the high-strength pressure tooth are polished and fitted.

2. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The fixed size specification fastening end is U-shaped, the lateral dimension of the notch is 27 mm, the radius of the internal arc is 20 mm, the radius of the arc at the front end is 2 mm, the radius of the transition arc on both sides is 31 mm, the radius of the raised arc on the outermost edges on both sides is 15 mm, and the radius of the internal end transition arc is 35 mm; the fixed size specification fastening end is cut and shaped by molybdenum wire, and the whole is treated with quenching process and anti-corrosion and wear-resistant spraying process.

3. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The outermost width of the middle handle device is 24 mm, the inner recessed width is 18.4 mm, and the raised height of the edges on both sides is 1.5 mm; the middle handle device is processed by a CNC milling machine and polished with 800-grit sandpaper, and the whole is processed by quenching oil and surface galvanizing.

4. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The diameter of the high-strength galvanized bolt is 9.5 mm; the top nut part is hexagonal and is processed by quenching process and surface galvanizing process; the main body of the bolt is processed by quenching oil process.

5. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The lateral dimension of the notch of the U-shaped fastening device at the mobile end is 27 mm, the radius of the inner arc is 20 mm, the radius of the arc at the front end is 2 mm, the radius of the transition arc on both sides is 31 mm, the radius of the raised arc on the outermost edges on both sides is 15 mm, and the radius of the transition arc at the inner end is 35 mm; the center of the threaded hole of the U-shaped fastening device at the mobile end is 8 mm from the inner edge and 7 mm from the outer edge; the U-shaped fastening device at the mobile end is cut and shaped by molybdenum wire, and the whole is treated with quenching process and anti-corrosion and wear-resistant spraying process; the inner contact surface of the U-shaped fastening device at the mobile end is polished with 1000 mesh sandpaper and treated with polishing process.

6. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The internal thread diameter of the high-strength galvanized nut is 9.5 mm, the surface of the nut is processed by a quenching process and a surface galvanizing process, and the internal thread of the nut is processed by an oil quenching process.

7. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: There are 5 high-strength pressure teeth in total, the distance between every two adjacent high-strength pressure teeth is 2.2 mm, and they are polished with 800-mesh sandpaper; the high-strength pressure teeth are processed by quenching oil process and surface galvanizing process.

8. A novel 12CrMoV alloy steel multifunctional adjustable fastening device as claimed in claim 1, characterized in that: The fixed size specification fastening end, the middle handle device, the high-strength galvanized bolt, the movable end U-shaped fastening device, the high-strength galvanized nut and the high-strength pressure tooth are all made of 12CrMoV alloy steel.

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