CN111805467A

CN111805467A - Novel automatic bolt loosening and tightening device

Info

Publication number: CN111805467A
Application number: CN202010587215.3A
Authority: CN
Inventors: 张永刚; 司文凯; 常文跃; 倪振兴; 肖健
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-10-23

Abstract

The invention discloses a novel automatic bolt tightener, which comprises a controller, a stepping motor and a sub-piece, wherein the controller is connected with the stepping motor; the controller is in control connection with the stepping motor, the output end of the stepping motor is in drive connection with the sub-piece, a concave or convex master disc matched with the bolt cap is arranged on the sub-piece, and the stepping motor is controlled by the controller to drive the sub-piece to rotate so as to achieve tightness of the bolt. The novel automatic bolt tightener provided by the invention solves the problems of time and labor waste when a bolt is disassembled by using a conventional tool by adopting an electrical technology, has more outstanding advantages in a narrower or inconvenient environment, and greatly improves the efficiency of maintenance personnel.

Description

Novel automatic bolt loosening and tightening device

Technical Field

The invention relates to the technical field of industrial products, in particular to a novel automatic bolt tightener.

Background

In the actual industry, a lot of machine maintenance or service are involved, when a lot of large-scale machine equipment is repaired or maintained, firstly, bolts on the machine need to be disassembled, and when a lot of large-scale equipment is repaired or maintained, a lot of large-scale equipment is dozens of bolts, and a lot of different bolts are hundreds or thousands of bolts, so that not only a lot of manpower and material resources are needed for disassembling the bolts, but also a lot of tools are needed for disassembling the bolts in the industrial aspect, but most of the tools are non-automatic mechanical tools, and although the tools are portable and simple and convenient to use in some occasions, when the large-scale machine equipment is disassembled, the tools have many disadvantages: (1) when workers use the mechanical tools for a long time, fatigue is easily caused, or soft hand tissues can be damaged; (2) for some special occasions, such as narrow space, and occasions which are not beneficial to manual force application, the purpose which is wanted by people is difficult to achieve by using mechanical tools, and the unloading process in the occasions can cause damage to the bolt cap.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a novel automatic bolt tightener, which can quickly tighten and loosen a bolt in a narrow space or in a situation where manual force is difficult to apply, without causing damage to the bolt itself, and which has improved efficiency and reduced labor cost.

The invention provides a novel automatic bolt tightener, which comprises a controller, a stepping motor and a sub-piece, wherein the controller is connected with the stepping motor;

the controller is in control connection with the stepping motor, the output end of the stepping motor is in drive connection with the sub-piece, a concave or convex master disc matched with the bolt cap is arranged on the sub-piece, and the stepping motor is controlled by the controller to drive the sub-piece to rotate so as to achieve tightness of the bolt.

Preferably, the shell also comprises a mother shell and a son shell;

the sub-shell is embedded into the main shell and connected with the main shell by adopting a ball bearing, the shell of the stepping motor is fixedly connected with the main shell, and the stepping motor shaft of the stepping motor penetrates through the main shell and is fixedly connected with the center of the embedded sub-shell;

the sub-part is embedded in the sub-shell and fixed through magnetic attraction.

Preferably, a plurality of groove teeth are annularly distributed on the sub-shell, notches corresponding to the groove teeth are formed in the sub-piece, and the sub-piece is matched and embedded into the sub-shell through the groove teeth and the notches.

Preferably, the female shell is provided with four circular holes along the axial direction, two of the circular holes are internally provided with a magnet piece for attracting the sub-shell, and the other two circular holes form a piece pushing hole.

Preferably, a circuit board and a battery for supplying power to the circuit board are arranged inside the controller, the circuit board is connected with the stepping motor through a cable, and an indicator lamp, a switch and a button are electrically connected to the outside of the controller respectively.

The invention has the beneficial effects that: the invention adopts a large-torque stepping motor to replace manual operation, a shaft of the stepping motor is connected with a sub-shell provided with groove teeth, the bolt can be tightened through the forward and reverse rotation of the stepping motor, a controller is used for controlling the rotation direction of the motor, the controller can observe whether the running state of the motor is normal, different operations can be carried out according to actual requirements, different sub-pieces can be used for tightening different types of bolts, and the motor and the controller are connected through cables, so that the operation in a narrow space can be realized, and the efficiency of maintenance personnel is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view showing the overall structure of a novel automatic bolt tightener according to the present invention;

FIG. 2 is a schematic view of a secondary member of the novel automatic bolt tightener of the present invention;

FIG. 3 is a side cross-sectional view of a novel automatic bolt tightener in accordance with the present invention;

FIG. 4 is a diagram illustrating the operation of the novel automatic bolt tightener according to the present invention;

fig. 5-8 are schematic diagrams of the circuit control in the novel automatic bolt tightener controller according to the present invention.

In the figure: 1. a female shell; 2. a subshell; 3. a magnet piece; 4. a ball bearing; 5. a pusher aperture; 6. groove teeth; 7. a cable; 8. a controller; 9. an indicator light; 10. a switch; 11. a button; 12. a stepping motor; 13. a stepper motor shaft; 14. a circuit board; 15. a battery; 16. a machine; 17. a bolt; 18. a sub-piece; 19. and (5) mastering the disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A novel automatic bolt tightener according to an embodiment of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 3, a novel automatic bolt tightener mainly comprises a control part and a power part, wherein the control part mainly comprises a controller 8, the power part comprises a main shell 1, a sub-shell 2 and a stepping motor 12, the sub-shell 2 is embedded into the main shell 1 and connected by adopting a ball 4, a shell of the stepping motor 12 is connected with the main shell 1, a stepping motor shaft 13 is fixedly connected with the center of the sub-shell 2, the controller 8 is in control connection with the stepping motor 12 through a cable 7, the control process is to operate the controller 8, so that the stepping motor 12 rotates clockwise or anticlockwise, and the stepping motor shaft 13 drives the sub-shell 2 to rotate; the controller 8 comprises a button 11, a switch 10 and an indicator light 9, a circuit board 14 and a battery 15 are arranged inside the controller 8, the specific circuit principle is shown in fig. 5-8, wherein the switch 10 mainly selects the magnitude of the torque, the button 11 can respectively control the forward and reverse rotation of the stepping motor 12, the operation indicator light is turned on under the condition of normal operation, and the warning indicator light is turned on under the condition of abnormal operation.

Six groove teeth 6 are formed in the sub-shell 2, the groove teeth 6 are mainly used for being connected with a sub-piece 18 in an embedded mode to drive the sub-piece 18 to rotate, as shown in fig. 2, the sub-piece 18 is a workpiece embedded in the sub-shell 2, six grooves embedded with the groove teeth 6 are formed in the sub-piece 18, a concave or convex mother disc 19 is arranged at the center of the sub-piece 18, the mother disc 19 is connected with a bolt cap, the sub-shell 2 and the sub-piece 18 are driven to rotate through the stepping motor 12, then the bolt 17 can be loosened and loosened, the sub-piece 18 can be of different types, the main difference is that the size and the caliber of the mother disc 19 are different, and the different types of bolts 17 can be unloaded.

In addition, the sub-part 18 is embedded into the sub-shell 2 and then fixed in an attracting mode through magnetic attraction, four round holes are formed in the mother shell 1, wherein the round holes with the diameter of 0.8cm are used for placing the magnet pieces 3, the sub-shell 2 is attracted, the sub-part 18 is prevented from falling off in the actual operation process, and the remaining two round holes with the diameter of 0.4cm are used for pushing the sub-part holes 5, so that the sub-part 18 is conveniently detached.

The invention provides a novel automatic bolt tightener, when in actual work, a mother shell 1 is fixed by hands or other tools, a son shell 2 is embedded into a corresponding son piece 18, the son piece 18 is tightly attracted and fixed by a magnet piece 3, then a mother disc 19 is connected with a bolt cap on the surface of a machine 16, a stepping motor 12 is controlled by a controller 8 to act so as to drive a bolt 17 to rotate, the controller 8 is provided with two gears I and II, the gear II is the maximum torque force, the gear I is the small torque force, in addition, no matter a button 11 is pressed down in the same direction or in the opposite direction, a green indicator light can be lightened if the son piece 18 normally rotates, and a red indicator light can be lightened if the son piece 18 cannot rotate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a novel automatic bolt ware of loosening and tightening which characterized in that: comprises a controller, a stepping motor and a sub-piece;

2. The novel automatic bolt tensioner according to claim 1, wherein: also comprises a mother shell and a son shell;

3. The novel automatic bolt tensioner according to claim 2, wherein: a plurality of groove teeth are annularly distributed on the sub-shell, notches corresponding to the groove teeth are formed in the sub-piece, and the sub-piece is matched and embedded into the sub-shell through the groove teeth and the notches.

4. A novel automatic bolt tensioner according to claim 3, wherein: the female shell is provided with four round holes which are communicated along the axial direction, wherein two round holes are internally provided with magnet sheets for attracting the sub-shell, and the other two round holes form a piece pushing hole.

5. The novel automatic bolt tensioner according to claim 1, wherein: the controller is characterized in that a circuit board and a battery for supplying power to the circuit board are arranged inside the controller, the circuit board is connected with the stepping motor through a cable, and an indicator lamp, a switch and a button are respectively and electrically connected to the outside of the controller.