Mechanical overspeed protection device with intelligent monitoring function

Abstract

The utility model relates to the technical field of industry, and discloses a mechanical overspeed protection device with an intelligent monitoring function, the mechanical overspeed protection device comprises a base body, the upper surface of the base body is fixedly connected with a fixing frame, the outer surface of the fixing frame is fixedly connected with a plurality of sliding barrels distributed in a circumferential mode, the interiors of the sliding barrels are slidably connected with sliding rods, and the sliding rods are fixedly connected with the base body. The ends, close to each other, of the multiple sliding rods are fixedly connected with contact pieces. According to the mechanical overspeed protection device with the intelligent monitoring function, the high-precision optical fiber sensor has the characteristics of high sensitivity, strong anti-interference capability and the like, the rotating speed of the rotating shaft can be detected, a power supply can be cut off when the rotating speed is too high, and the rotating shaft can be quickly braked through the cooperation of the mounting contact piece, the latch and the sleeve; meanwhile, through the dual redundancy design, namely, the two sets of independent brake mechanisms are arranged, when one set of brake mechanism breaks down, the other set of brake mechanism can immediately take over work, and normal operation of the protection device is ensured.

Description

Technical Field

[0001] The present application relates to the field of industrial technology, and specifically to a mechanical overspeed protection device with intelligent monitoring function. Background Art

[0002] Industry is a social material production sector that exploits natural resources and processes various raw materials. Industry is the product of the development of social division of labor. After several development stages such as handicrafts and machinery industry, it is the main component of the secondary industry and is divided into light industry and heavy industry.

[0003] With the continuous development of industrial technology, rotating machinery and equipment are being used more and more widely in various industries. However, once overspeed occurs during the operation of these equipment, it will cause serious damage to the equipment and even cause safety accidents. Therefore, the research and development and application of overspeed protection devices are particularly important. At present, most overspeed protection devices on the market use mechanical or electronic methods for monitoring and protection, but these devices still need to be improved in terms of accuracy and real-time performance. Utility Model Content

[0004] In response to the deficiencies in the prior art, the present application provides a mechanical overspeed protection device with an intelligent monitoring function, which has advantages such as improved practicality and solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a mechanical overspeed protection device with an intelligent monitoring function, comprising a base, the upper surface of the base is fixedly connected to a fixed frame, the outer surface of the fixed frame is fixedly connected to a plurality of sliding cylinders distributed in a circle, the interiors of the plurality of sliding cylinders are slidably connected to sliding rods, the ends of the plurality of sliding rods close to each other are fixedly connected to contact pieces, the side surfaces of the plurality of contact pieces close to each other are fixedly connected to latch teeth, a rotating shaft is provided inside the fixed frame, a sleeve is installed on the outer surface of the rotating shaft by bolts, and a plurality of circumferentially distributed notches are opened on the outer surface of the sleeve.

[0006] Through the above solution, the high-precision optical fiber sensor has the characteristics of high sensitivity and strong anti-interference ability. It can detect the rotation speed of the shaft and cut off the power supply when the rotation speed is too fast, thereby improving overall safety.

[0007] Furthermore, one end of each of the plurality of contact members that is away from each other is fixedly connected to two springs, and the other ends of each of the plurality of springs are fixedly connected to the inner wall of the fixed frame, and the plurality of springs are in a stretched state.

[0008] According to the above solution, after the hydraulic pump stops working, the spring is installed so that the contact piece can be separated from the sleeve by the deformation force of the spring, so that the contact piece can be reset.

[0009] Furthermore, a warning light is installed on the outer surface of the fixing frame.

[0010] Through the above solution, the installation of a warning light can generate an alarm when the shaft rotates too fast, thereby alerting surrounding personnel.

[0011] Furthermore, two tee pipes are provided on the outer surface of the fixing frame, and the two tee pipes are fixedly connected to the sliding cylinder adjacent thereto.

[0012] Through the above solution, installing a tee pipe can facilitate the injection of hydraulic pressure into the slide cylinder, so that it can push the slide rod and the contact piece to slide, and by setting two tees for a double redundant design and double insurance movement, the overall practicality is improved.

[0013] Furthermore, a hydraulic pump is installed on the upper surface of the base, and the other ends of the two tee pipes are fixedly connected to the output ends of the Junyu hydraulic pump.

[0014] Through the above solution, the installation of the hydraulic pump can inject hydraulic pressure into the slide cylinder through the three-way pipe to push the slide rod to slide, so that the contact piece contacts the sleeve, thereby stopping the rotation of the shaft and allowing the shaft to return to stability.

[0015] Furthermore, a high-precision optical fiber sensor is installed inside the fixing frame.

[0016] Through the above scheme, the high-precision optical fiber sensor has the characteristics of high sensitivity and strong anti-interference ability. It can detect the rotation speed of the shaft and cut off the power supply when the rotation speed is too fast.

[0017] Furthermore, the plurality of contact members and the latch teeth are all made of tungsten steel.

[0018] Through the above solution, the contact parts and the teeth are all made of tungsten steel, which has extremely high hardness and can withstand high temperatures and a lot of wear. At the same time, it is not easy to cause thermal deformation and thermal cracks, avoiding deformation due to overheating during the braking process of the rotating shaft.

[0019] Furthermore, the sleeve is made of high-speed steel.

[0020] Through the above solution, the sleeve is made of high-speed steel with good wear resistance and high hardness, and can maintain stable performance in high-speed cutting and high-temperature environments.

[0021] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0022] This mechanical overspeed protection device with intelligent monitoring function has the characteristics of high sensitivity and strong anti-interference ability through high-precision optical fiber sensors. It can detect the rotation speed of the shaft and cut off the power supply when the rotation speed is too fast. It can quickly stop the shaft by installing contacts, latches, and sleeves. At the same time, through the dual redundancy design, that is, setting two sets of independent braking mechanisms, when one set of braking mechanisms fails, the other set of braking mechanisms can immediately take over the work to ensure the normal operation of the protective device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a cross-sectional view of the overall structure of this application;

[0024] Figure 2 For this application Figure 1 A magnified schematic diagram of the structure at A;

[0025] Figure 3 This is a schematic diagram of the overall structure of this application;

[0026] Figure 4 This is a schematic diagram of the sleeve structure of this application.

[0027] In the picture:

[0028] 1. Base; 2. Fixed frame; 3. Slide; 4. Slide rod; 5. Contact piece; 6. Gear; 7. Rotating shaft; 8. Sleeve; 9. Notch; 10. Spring; 11. Warning light; 12. Tee; 13. Hydraulic pump; 14. High-precision fiber optic sensor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0030] See also Figure 1 、 Figure 2 and Figure 3, a mechanical overspeed protection device with intelligent monitoring function in this embodiment includes a base 1, the upper surface of the base 1 is fixedly connected to a fixed frame 2, the outer surface of the fixed frame 2 is fixedly connected to a plurality of slide cylinders 3 distributed in a circumferential manner, the interior of the plurality of slide cylinders 3 are slidably connected to slide rods 4, the ends of the plurality of slide rods 4 close to each other are fixedly connected to contact members 5, and the side surfaces of the plurality of contact members 5 close to each other are fixedly connected to latch teeth 6, a rotating shaft 7 is provided inside the fixed frame 2, the outer surface of the rotating shaft 7 is fixed with a sleeve 8 by bolts, and the outer surface of the sleeve 8 is provided with a plurality of notches 9 distributed in a circumferential manner, a high-precision optical fiber sensor 14 with the characteristics of high sensitivity and strong anti-interference ability, which can detect the speed of the rotating shaft 7, cut off the power supply when the speed is too fast, and quickly stop the rotating shaft 7 by installing the contact member 5, the latch tooth 6, and the sleeve 8. At the same time, through the dual redundant design, that is, two sets of independent braking mechanisms are set, when one set of braking mechanisms fails, the other set of braking mechanisms can immediately take over the work to ensure the normal operation of the protective device.

[0031] See also Figure 1 、 Figure 2 and Figure 4 , the ends of the multiple contacts 5 away from each other are fixedly connected to two springs 10, and the other ends of the multiple springs 10 are fixedly connected to the inner wall of the fixed frame 2. The multiple springs 10 are in a stretched state. After the hydraulic pump 13 stops working, the deformation force of the spring 10 can drive the contact 5 to separate from the sleeve 8, so that the contact 5 can be reset. A warning light 11 is installed on the outer surface of the fixed frame 2. The warning light 11 can sound an alarm when the rotating shaft 7 rotates too fast to warn the surrounding staff. The outer surface of the fixed frame 2 is provided with two three-way pipes 12, and the two three-way pipes 12 are The slide 3 close to it is fixedly connected, and the installation of the three-way pipe 12 can facilitate the injection of hydraulic oil into the slide 3, so that it can push the slide rod 4 and the contact piece 5 to slide, and by setting two three-way pipes 12 for a double redundant design and double insurance movement, the overall practicality is improved. A hydraulic pump 13 is installed on the upper surface of the base 1, and the output end of the Junyu hydraulic pump 13 at the other end of the two three-way pipes 12 is fixedly connected. The installation of the hydraulic pump 13 can inject hydraulic oil into the slide 3 through the three-way pipe 12 to push the slide rod 4 to slide, so that the contact piece 5 contacts the sleeve 8, thereby stopping the rotation of the rotating shaft 7 and allowing the rotating shaft 7 to restore stability.

[0032] See also Figure 1 、 Figure 2 and Figure 3A high-precision optical fiber sensor 14 is installed inside the fixed frame 2. The high-precision optical fiber sensor 14 has the characteristics of high sensitivity and strong anti-interference ability. It can detect the rotation speed of the rotating shaft 7 and cut off the power supply when the rotation speed is too fast. Multiple contacts 5 and the latch teeth 6 are made of tungsten steel. The contact members 5 and the latch teeth 6 are made of tungsten steel. The hardness is extremely high and can withstand high temperatures and a lot of wear. At the same time, it is not easy to cause thermal deformation and thermal cracks, avoiding overheating and deformation during the braking process of the rotating shaft 7. The sleeve 8 is made of high-speed steel. The sleeve 8 is made of high-speed steel with good wear resistance and high hardness, and can maintain stable performance in high-speed cutting and high-temperature environments.

[0033] In this embodiment, a mechanical overspeed protection device with intelligent monitoring function is provided. The high-precision optical fiber sensor 14 has the characteristics of high sensitivity and strong anti-interference ability. It can detect the rotation speed of the rotating shaft 7 and cut off the power supply when the rotation speed is too fast. The rotating shaft 7 can be quickly stopped by installing the contact member 5, the latch 6, and the sleeve 8. At the same time, through the dual redundancy design, that is, two sets of independent braking mechanisms are set. When one set of braking mechanisms fails, the other set of braking mechanisms can immediately take over the work to ensure the normal operation of the protective device.

[0034] The working principle of the above embodiment is as follows: when in use, the sleeve 8 is mounted on the rotating shaft 7 by using bolts, and the sleeve 8 is passed through the fixed frame 2. When the rotating shaft 7 rotates too fast, the high-precision optical fiber sensor 14 can detect it. The high-precision optical fiber sensor 14 has the characteristics of high sensitivity and strong anti-interference ability. It can detect the rotating speed of the rotating shaft 7 and cut off the power supply when the rotating speed is too fast. At the same time, the warning light 11 can sound an alarm when the rotating shaft 7 rotates too fast to warn the surrounding staff. Then the hydraulic pump 13 can push the hydraulic oil from the three-way pipe 12 into the slide 3 and push the slide rod 4 to slide, so that the multiple contact members 5 can contact with the sleeve 8. And brake it. By installing the contact piece 5, the latch tooth 6, and the sleeve 8, the rotating shaft 7 can be quickly braked. At the same time, through the dual redundant design, that is, two sets of independent braking mechanisms are set. When one set of braking mechanisms fails, the other set of braking mechanisms can immediately take over the work to ensure the normal operation of the protective device. The contact piece 5 and the latch tooth 6 are both made of tungsten steel with extremely high hardness. They can withstand high temperatures and a lot of wear, and are not prone to thermal deformation and thermal cracks, avoiding overheating and deformation during the process of braking the rotating shaft 7. The sleeve 8 is made of high-speed steel with good wear resistance and high hardness, and can maintain stable performance in high-speed cutting and high-temperature environments.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0036] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanical overspeed protection device with intelligent monitoring function, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a fixed frame (2), the outer surface of the fixed frame (2) is fixedly connected to a plurality of slide cylinders (3) distributed in a circumferential manner, the interiors of the plurality of slide cylinders (3) are slidably connected to slide rods (4), the ends of the plurality of slide rods (4) close to each other are fixedly connected to contact members (5), and the sides of the plurality of contact members (5) close to each other are fixedly connected to latch teeth (6), a rotating shaft (7) is provided inside the fixed frame (2), a sleeve (8) is mounted on the outer surface of the rotating shaft (7) by bolts, and a plurality of notches (9) distributed in a circumferential manner are provided on the outer surface of the sleeve (8).

2. A mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: One end of each of the plurality of contact members (5) that is away from each other is fixedly connected to two springs (10), and the other ends of each of the plurality of springs (10) are fixedly connected to the inner wall of the fixed frame (2), and the plurality of springs (10) are in a stretched state.

3. The mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: A warning light (11) is installed on the outer surface of the fixing frame (2).

4. The mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: Two three-way pipes (12) are provided on the outer surface of the fixed frame (2), and the two three-way pipes (12) are fixedly connected to the slide cylinder (3) adjacent thereto.

5. The mechanical overspeed protection device with intelligent monitoring function according to claim 4, characterized in that: A hydraulic pump (13) is installed on the upper surface of the base (1), and the other ends of the two three-way pipes (12) are fixedly connected to the output ends of the Junyu hydraulic pump (13).

6. The mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: A high-precision optical fiber sensor (14) is installed inside the fixing frame (2).

7. The mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: The plurality of contact members (5) and the latch teeth (6) are all made of tungsten steel.

8. The mechanical overspeed protection device with intelligent monitoring function according to claim 1, characterized in that: The sleeve (8) is made of high-speed steel.

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