A roller bar breakage detection device

Abstract

The utility model relates to the technical field of roller furnace stick, disclose a kind of roller stick fracture detection device, including drive frame, the outside fixed connection of drive frame has drive box, the bottom side fixed connection of drive box has bottom plate, the inside of drive box is provided with multiple roller sticks, the upside of bottom plate is fixedly connected with multiple insulators, the upside of each insulator is equipped with two spring conductive parts, the side fixed connection of drive box away from roller stick has cover plate, the side of cover plate is equipped with sealing bearing seat, the utility model installs the insulator and spring conductive part on bottom plate, install in drive box outside, and by the mode that flexible shaft cooperates with stepped shaft, the electrical connection between roller stick and spring conductive part and detection are realized, the relevant components of detection device are installed in cylinder body outside, high temperature, tar, dust and other adverse factors can be avoided, and false alarm probability can be greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of roller furnace roller technology, and in particular to a roller fracture detection device. Background Technology

[0002] Rollers are an important component of the continuous conveying system of a roller kiln. Driven by a transmission mechanism, they rotate, moving materials within the furnace to achieve heating, cooling, or specific processing. This design enables continuous production line operation of roller kilns, significantly improving production efficiency compared to intermittent kilns. However, when rollers operate under high temperatures for extended periods, they gradually age and deform, indirectly leading to quality issues such as product misalignment and deformation, thus reducing the firing pass rate. Therefore, it is necessary to promptly detect defects such as bending and cracks in the rollers using detection devices. However, existing roller fracture detection devices, because they are installed inside the cylinder, generally suffer from low reliability.

[0003] For example, Chinese utility model patent CN223106658U discloses a roller bar breakage alarm mechanism for a roller furnace. Although this solution can generate a regularly fluctuating electrical signal when the fixed conductive part makes regular contact with the detection rod, and determine whether the electrical signal in the roller detection circuit is abnormal, thus achieving the advantages of quickly locating the specific location of the broken bar, improving equipment diagnostic efficiency, and reducing the workload of equipment maintenance personnel, the core components of this solution for fracture detection are all installed inside the cylinder. The internal temperature of the cylinder is high, which often causes elastic deformation of the elastic component. Moreover, tar, dust, and other impurities accumulate over a long period of time, covering the surface of the detection element, which leads to low reliability of the detection device, inaccurate detection data, untimely response, or even false alarms.

[0004] In view of this, a roller breakage detection device that can solve the above problems is proposed. Utility Model Content

[0005] To address the technical problem of low reliability in roller fracture detection devices, this utility model provides a roller fracture detection device.

[0006] This utility model is achieved using the following technical solution: a roller breakage detection device, comprising a drive frame, a drive housing fixedly connected to the outer side of the drive frame, a base plate fixedly connected to the bottom side of the drive housing, multiple rollers arranged inside the drive housing, multiple insulators fixedly connected to the upper side of the base plate, two spring conductive elements installed on the upper side of each insulator, a cover plate fixedly connected to the side of the drive housing away from the rollers, a sealed bearing seat installed on one side of the cover plate, a stepped shaft rotatably connected to the inner side of the sealed bearing seat, a conductive ring rotatably connected to the side of the stepped shaft away from the cover plate, a conductive double rod fixedly connected to the outer side of the conductive ring, the conductive double rod cooperating with the spring conductive elements, a conductive connection mechanism between the stepped shaft and the rollers, a roller support and limiting mechanism provided inside the drive housing, and a protective mechanism provided on the upper side of the base plate.

[0007] As a further improvement to the above solution, the conductive connection mechanism includes a U-shaped collar disposed on the inner side of one end of each roller bar, a pin being disposed between the U-shaped collar and the roller bar, and a flexible shaft being rotatably connected between one side of the U-shaped collar and one end of the stepped shaft.

[0008] As a further improvement to the above solution, the roller support limiting mechanism includes multiple support angle steels fixedly connected to the bottom of the inner side of the drive box. Multiple rollers are rotatably connected to both sides of each support angle steel, and the multiple rollers are configured to cooperate with the lower side of one end of the roller.

[0009] As a further improvement to the above solution, the protective mechanism includes a baffle fixedly connected to the upper side of the drive housing, and a hanging plate movably connected to the side of the baffle away from the drive housing.

[0010] As a further improvement to the above solution, multiple handles are installed on the outer side of the mounting plate.

[0011] As a further improvement to the above solution, each of the hanging plates and the cover plate is fixedly connected by a fixing block.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model installs the insulator and spring conductive component on the base plate on the outside of the drive box, and realizes the electrical connection and detection between the roller and the spring conductive component by means of the flexible shaft and the stepped shaft. By installing the relevant components of the detection device on the outside of the cylinder, adverse factors such as high temperature, tar, and dust can be avoided, and the probability of false alarm can be greatly reduced.

[0014] 2. This utility model uses a hanging plate, a fixing block, and a handle to work together. When the fracture detection component between the cover plate and the bottom plate malfunctions, it can be repaired directly by opening the hanging plate without being affected by the high temperature inside the drive box, which has the advantage of making repairs more convenient. Attached Figure Description

[0015] Figure 1 A schematic diagram of the overall structure of a roller fracture detection device provided by this utility model;

[0016] Figure 2 for Figure 1 Side view;

[0017] Figure 3 A schematic diagram of the fracture detection device in one embodiment of this utility model;

[0018] Figure 4 for Figure 3 A schematic diagram of the explosion structure.

[0019] Explanation of key symbols:

[0020] 1. Drive frame; 2. Roller; 3. Drive housing; 4. Hanging plate; 5. Handle; 6. Baffle; 7. Sealed bearing seat; 8. Conductive double rod; 9. Spring conductive component; 10. Insulator; 11. Base plate; 12. Conductive ring; 13. Cover plate; 14. Flexible shaft; 15. Supporting angle steel; 16. Roller; 17. Pin; 18. Stepped shaft; 19. U-shaped collar; 20. Fixing block. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] Example:

[0023] Please combine Figures 1-3 The roller fracture detection device of this embodiment includes a drive frame 1, a furnace body is provided on one side of the drive frame 1, a drive box 3 is fixedly connected to the outside of the drive frame 1, a bottom plate 11 is fixedly connected to the bottom side of the drive box 3, and multiple rollers 2 are provided inside the drive box 3. In order to facilitate understanding of the application scenario of this embodiment, the sagger runs in the furnace chamber by several rollers 3 rotating in parallel and synchronously in the same direction.

[0024] Please combine Figure 3 As shown, a plurality of insulators 10 are fixedly connected to the upper side of the base plate 11. In this embodiment, the insulators 10 are made of mica board material, which has high temperature resistance and excellent insulation performance.

[0025] Please combine Figure 4 As shown, two spring conductive elements 9 are installed on the upper side of each insulator 10. The spring conductive elements 9 are flexible components. After the free end of the spring conductive element 9 comes into spatial interference contact with the trajectory of the conductive double rod 8, it can spring back to its original position.

[0026] Please combine Figure 4 As shown, a cover plate 13 is fixedly connected to the side of the drive housing 3 away from the roller 2. A sealed bearing seat 7 is installed on one side of the cover plate 13. A stepped shaft 18 is rotatably connected to the inner side of the sealed bearing seat 7. A conductive ring 12 is rotatably connected to the side of the stepped shaft 18 away from the cover plate 13. The rotation between the stepped shaft 18 and the conductive ring 12 does not affect their constant contact and electrical conduction.

[0027] Please combine Figure 4 As shown, a conductive double rod 8 is fixedly connected to the outer side of the conductive ring 12. The conductive double rod 8 and the spring conductive component 9 are configured to form a detection circuit. The detection circuit generates an electrical signal with regular fluctuations.

[0028] Please combine Figure 4 As shown, a conductive connection mechanism is provided between the stepped shaft 18 and the roller 2, a roller support and limiting mechanism is provided on the inner side of the drive housing 3, and a protective mechanism is provided on the upper side of the base plate 11.

[0029] Please combine Figure 4 As shown, the conductive connection mechanism includes a U-shaped collar 19 disposed on the inner side of one end of each roller bar 2, and a pin 17 disposed between the U-shaped collar 19 and the roller bar 2. The U-shaped collar 19 and one end of the roller bar 2 can be quickly assembled through the pin 17.

[0030] Please combine Figure 4 As shown, a flexible shaft 14 is rotatably connected between one side of the U-shaped collar 19 and one end of the stepped shaft 18. It should be noted that as the roller 2 rotates,

[0031] Please combine Figure 4 As shown, the roller support limiting mechanism includes multiple support angle steels 15 fixedly connected to the bottom of the inner side of the drive housing 3. The support angle steels 15 are V-shaped and provide support to the roller 2 from both sides.

[0032] Please combine Figure 4 As shown, each supporting angle steel 15 has multiple rollers 16 rotatably connected to both sides. The multiple rollers 16 are configured to cooperate with the lower side of one end of the roller bar 2, supporting the rotation of the roller bar 2.

[0033] Please combine Figure 4 As shown, the protective mechanism includes a baffle 6 fixedly connected to the upper side of the drive housing 3, and a hanging plate 4 movably connected to the side of the baffle 6 away from the drive housing 3.

[0034] Please combine Figure 2 As shown, multiple handles 5 are installed on the outside of the mounting plate 4, which can be used to easily open or close the mounting plate 4;

[0035] Please combine Figure 3 As shown, each hanging plate 4 is fixedly connected to the cover plate 13 by a fixing block 20, which can fix and install the hanging plate 4.

[0036] The implementation principle of the roller breakage detection device in this embodiment is as follows: the roller 2 drives the sagger to run in the furnace. A U-shaped collar 19 is connected to the roller 1. The U-shaped collar 19 is fixed to the roller 2 by a pin 17. The U-shaped collar 17 is connected to a flexible shaft 14. The flexible shaft 14 is connected to a stepped shaft 18. The stepped shaft 18 is connected to a conductive ring 12. Since the entire roller detection device is fixed outside the kiln drive box 3 to avoid high temperature, there are two spring conductive elements 9 on the bottom plate 11. Each spring conductive element 9 is connected to a cable. When the roller 2 is running normally, it will touch the lower spring conductive element 9. The spring conductive element 9 is connected to the cable. The cable under one spring conductive element 9 is the positive terminal, and the cable under the other spring conductive element 9 is the negative terminal, which forms a signal that is transmitted to the display screen. If a roller does not move, the normal signal cannot be transmitted to the display screen, and an alarm will be issued. This detection device can accurately determine which roller has a problem.

[0037] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A roller breakage detection device, comprising a drive frame (1), characterized in that, A drive housing (3) is fixedly connected to the outside of the drive frame (1). A base plate (11) is fixedly connected to the bottom side of the drive housing (3). Multiple rollers (2) are arranged inside the drive housing (3). Multiple insulators (10) are fixedly connected to the upper side of the base plate (11). Two spring conductive elements (9) are installed on the upper side of each insulator (10). A cover plate (13) is fixedly connected to the side of the drive housing (3) away from the rollers (2). A sealed bearing seat (7) is installed on one side of the cover plate (13). A stepped shaft (18) is rotatably connected to the inner side of the sealed bearing seat (7). A conductive ring (12) is rotatably connected to the side of the stepped shaft (18) away from the cover plate (13). A conductive double rod (8) is fixedly connected to the outer side of the conductive ring (12). The conductive double rod (8) is configured to cooperate with the spring conductive component (9). A conductive connection mechanism is provided between the stepped shaft (18) and the roller (2). A roller support and limiting mechanism is provided on the inner side of the drive housing (3). A protective mechanism is provided on the upper side of the base plate (11).

2. The roller breakage detection device as described in claim 1, characterized in that, The conductive connection mechanism includes a U-shaped collar (19) disposed on the inner side of one end of each roller (2), a pin (17) disposed between the U-shaped collar (19) and the roller (2), and a flexible shaft (14) rotatably connected between one side of the U-shaped collar (19) and one end of the stepped shaft (18).

3. The roller breakage detection device as described in claim 1, characterized in that, The roller support limiting mechanism includes multiple support angle steels (15) fixedly connected to the bottom of the inner side of the drive box (3). Multiple rollers (16) are rotatably connected to both sides of each support angle steel (15). The multiple rollers (16) are configured to cooperate with the lower side of one end of the roller (2).

4. The roller breakage detection device as described in claim 1, characterized in that, The protective mechanism includes a baffle (6) fixedly connected to the upper side of the drive housing (3), and a hanging plate (4) is movably connected to the side of the baffle (6) away from the drive housing (3).

5. The roller breakage detection device as described in claim 4, characterized in that, Multiple handles (5) are installed on the outside of the mounting plate (4).

6. The roller breakage detection device as described in claim 4, characterized in that, Each of the hanging plates (4) is fixedly connected to the cover plate (13) by a fixing block (20).

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