Belt conveyor carrier roller conduction vibration optical cable fixing device

Abstract

The utility model discloses a belt conveyor carrier roller conduction vibration optical cable fixing device which comprises a conduction block, the conduction block comprises a positioning part and an optical cable part, the positioning part is provided with a positioning groove matched with a fixing head, and the optical cable part is provided with a cable clamping groove matched with an optical cable. The positioning part is fixedly connected with the optical cable part, the positioning part is fixedly connected with a magnetic attraction block which further attracts and positions the fixing head, and the magnetic attraction block is located in the positioning groove; the opening of the wire clamping groove is gradually increased from one end away from the positioning part to one end close to the positioning part. Vibration and temperature of the carrier roller are directly transmitted to the optical cable through the conduction block, indirect conduction through the supporting frame, the cross beam and the rack in sequence is not needed, vibration interference of the rack and vibration of the adjacent carrier roller is avoided, the speed of receiving carrier roller vibration and temperature conduction by the optical cable is increased, the conduction distance is reduced, and the transmission efficiency is improved. And the detection accuracy of the temperature and the vibration frequency of the carrier roller is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of fixing devices, and in particular to a fixing device for optical fiber cable that transmits vibration on belt conveyor rollers. Background Technology

[0002] In coal mining, belt conveyors are crucial equipment for the continuous transport of materials, and their operating status directly affects the stability and efficiency of the entire production system. Among these, the idler roller 100, as a key component supporting the belt 110 and the weight of the material, has a significant impact on the belt conveyor's performance. For example... Figure 1 and Figure 2 As shown, when the belt conveyor is in operation, the belt 110 abuts against the idler roller 100 and drives the idler roller 100 to rotate under the action of friction. Fixed heads 120 are connected to both ends of the idler roller 100. The fixed heads 120 are usually clamped onto the support frame 140 of the belt conveyor beam 130, and the fixed heads 120 do not rotate with the idler roller 100. Both ends of the beam 130 are fixedly connected to the frame 150 of the belt conveyor.

[0003] With the development of fiber optic sensing technology, more and more online monitoring systems are using fiber optic sensors to monitor the vibration and temperature of idler rollers 100 in real time, enabling early warning of abnormal conditions. Fiber optic sensors are typically installed above ground and connected to a mining fiber optic cable 160. Cable ties 170 are used to bind the cable 160 to the frame 150, indirectly acquiring the temperature and vibration frequency of the idler roller 100. The specific principle is as follows: when an idler roller 100 malfunctions and becomes stuck, the friction from the belt 110 causes it to heat up, increasing its temperature and significantly reducing its vibration frequency. The temperature and vibration frequency of the idler roller 100 are first transmitted to the fixed head 120, then through the support frame 140 to the crossbeam 130 and the frame 150, and finally through the frame 150 to the fiber optic cable 160. The fiber optic cable 160 then transmits the data to the fiber optic sensor. Operators can then detect abnormal temperatures and vibration frequencies at that location on the fiber optic sensor, indicating a malfunction in the idler roller 100 and thus providing an early warning.

[0004] The following drawbacks exist in practical applications: The vibration and temperature of the idler roller 100 are indirectly detected via the optical cable 160 connected to the frame 150, resulting in a long transmission distance; the frame 150 and crossbeam 130 are typically made of metal and exposed to air, leading to rapid heat dissipation and a large heat conduction area, causing the temperature detected by the optical cable 160 to be lower than the actual temperature of the idler roller 100; simultaneously, when the belt 110 is conveying materials, the vibration of the frame 150 itself interferes with the vibration transmission of the idler roller 100, and it is also affected by the vibration of adjacent idler rollers 100; this indirect method of obtaining the temperature and vibration frequency of the idler roller 100 via the optical cable 160 is much smaller than the actual value of the idler roller 100, resulting in low detection accuracy. Utility Model Content

[0005] To improve the accuracy of detecting the temperature and vibration frequency of idlers, this application provides a device for fixing optical cables that transmit vibration to belt conveyor idlers.

[0006] This application provides a device for fixing optical cables that transmit vibration on belt conveyor rollers, which adopts the following technical solution:

[0007] A vibration transmission optical cable fixing device for a belt conveyor idler includes a transmission block, the transmission block including a positioning part and an optical cable part, the positioning part having a positioning groove adapted to the fixing head, and the optical cable part having a cable clamping groove adapted to the optical cable.

[0008] Optionally, the positioning part is fixedly connected to the optical cable part, and the positioning part is fixedly connected to a magnetic block for further adsorbing and positioning the fixing head. The magnetic block is located in the positioning groove; the opening of the cable clamping groove gradually increases from the end away from the positioning part to the end close to the positioning part.

[0009] Optionally, the positioning part is connected to a plurality of first screws along a circumferential thread at one end away from the optical cable part, and the end of the first screw located in the positioning groove abuts against the fixing head; the optical cable part is connected to a plurality of second screws along a circumferential thread at one end away from the positioning part, and the end of the second screw located in the cable clamping groove abuts against the optical cable.

[0010] Optionally, the positioning part and the optical cable part are detachably connected.

[0011] Optionally, the conductive block has a magnetic attraction function for adsorbing and positioning the fixing head, the positioning part is integrally formed with the optical cable part, and the wire clamping groove is connected to the positioning groove.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] 1. By directly fitting the positioning part onto the fixing head and strengthening the connection and fastening of the fixing head with magnetic blocks, and simultaneously fixing the optical cable in the cable clamping groove of the optical cable part, the vibration and temperature of the idler roller are directly transmitted to the optical cable through the transmission block. This eliminates the need for indirect transmission through the support frame, crossbeam, and frame, and avoids interference from the frame's own vibration and the vibration of adjacent idler rollers. This speeds up the optical cable's reception of the idler roller's vibration and temperature transmission, reduces the transmission distance, and greatly improves the accuracy of detecting the idler roller's temperature and vibration frequency.

[0014] 2. By installing the first screw to abut against the fixing head, the connection between the positioning part and the fixing head can be further improved, ensuring that the positioning part will not detach from the fixing head due to vibration; by abutting against the optical cable with the second screw, the optical cable located in the cable clamping groove is further fixed, ensuring that the optical cable will not detach from the cable clamping groove, which is conducive to improving the accuracy of the test results;

[0015] 3. Place the positioning slot onto the fixed head, and use the overall magnetic attraction function of the transmission block to connect and secure the fixed head and the transmission block; and place the optical cable in the cable clamping slot so that the fixed head and the optical cable directly contact each other, further improving the accuracy of detecting the temperature and vibration frequency of the idler roller. Attached Figure Description

[0016] Figure 1 This is a schematic diagram intended to highlight the positions of the belt conveyor and optical cable in the background art.

[0017] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the middle.

[0018] Figure 3 This is a schematic diagram of the overall structure of a belt conveyor roller vibration transmission optical cable fixing device in Example 1.

[0019] Figure 4 This is a schematic diagram of the conductive block in Example 2.

[0020] Figure 5 This is a schematic diagram of the conductive block in Example 3.

[0021] Figure 6 This is an exploded structural diagram of the snap-fit ​​method in Example 3.

[0022] Figure 7 This is an exploded structural diagram of the threaded connection method in Example 3.

[0023] Figure 8 This is a schematic diagram of the conductive block in Example 4.

[0024] Explanation of reference numerals in the attached drawings: 100, idler roller; 110, belt; 120, fixing head; 130, crossbeam; 140, support frame; 150, frame; 160, optical cable; 170, cable tie; 1, conduction block; 2, positioning part; 21, positioning groove; 22, magnetic block; 23, first screw; 3, optical cable part; 31, cable clamping groove; 32, second screw. Detailed Implementation

[0025] The present application will be further described in detail below with reference to all the accompanying drawings.

[0026] This application discloses a device for fixing an optical cable that transmits vibration to a belt conveyor roller.

[0027] Example 1

[0028] Refer to 1 and Figure 3A vibration-conducting optical cable fixing device for a belt conveyor idler roller includes a conductive block 1. The conductive block 1 is made of a metal material, such as an iron alloy, magnet, or aluminum alloy, which has good thermal conductivity and vibration conduction. The idler roller 100 is usually made of an iron alloy. Using a metal material close to the vibration frequency of the idler roller 100 results in better vibration and temperature conduction, which is beneficial to improving the accuracy of the detection results.

[0029] Reference Figure 1 and Figure 3 The conductive block 1 includes a positioning part 2 and an optical cable part 3, which are fixedly connected. The positioning part 2 has a positioning groove 21 that is adapted to the fixing head 120. When in use, one end of the positioning groove 21 of the positioning part 2 is fitted onto the fixing head 120; the optical cable part 3 has a cable clamping groove 31 that is adapted to the optical cable 160, and the optical cable 160 is clamped into the cable clamping groove 31.

[0030] Reference Figure 1 and Figure 3 When the belt conveyor is in operation, the idler roller 100 rotates and vibrates continuously. The opening of the cable clamping groove 31 gradually increases from the end away from the positioning part 2 to the end closer to the positioning part 2, which can ensure that the optical cable 160 located in the cable clamping groove 31 will not be dislodged from the cable clamping groove 31 due to vibration. At the same time, the positioning part 2 is fixedly connected to a magnetic block 22 for further adsorption and positioning of the fixing head 120. The magnetic block 22 is located in the positioning groove 21. The magnetic block 22 adsorbs and positions the fixing head 120 in the positioning groove 21, improving the connection tightness between the positioning part 2 and the fixing head 120, and making it easier to ensure that the positioning part 2 will not be dislodged from the fixing head 120 due to vibration.

[0031] Reference Figure 1 and Figure 3 By directly mounting the positioning part 2 onto the fixing head 120 and strengthening the connection and fastening with the fixing head 120 through the magnetic suction block 22, and simultaneously fixing the optical cable 160 into the cable slot 31 of the optical cable part 3, the vibration and temperature of the idler roller 100 are directly transmitted to the optical cable 160 through the transmission block 1, without the need for indirect transmission through the support frame 140, crossbeam 130 and frame 150. This also avoids interference from the vibration of the frame 150 itself and the vibration of adjacent idler rollers 100, speeds up the speed at which the optical cable 160 receives the vibration and temperature transmission of the idler roller 100, reduces the transmission distance, and greatly improves the accuracy of detecting the temperature and vibration frequency of the idler roller 100.

[0032] The implementation principle of the vibration transmission optical cable fixing device for belt conveyor idler rollers in this application embodiment is as follows: one end of the positioning groove 21 of the positioning part 2 is sleeved on the fixing head 120, and the magnetic block 22 adsorbs and positions the fixing head 120 in the positioning groove 21, thereby improving the connection tightness between the positioning part 2 and the fixing head 120. The optical cable 160 is inserted into the cable clamping groove 31 along its radial direction, so that the vibration and temperature of the idler roller 100 are directly transmitted to the optical cable 160 through the transmission block 1, without the need for indirect transmission. This avoids the vibration interference of the frame 150 itself and the vibration of adjacent idler rollers 100, speeds up the speed at which the optical cable 160 receives the vibration and temperature transmission of the idler roller 100, reduces the transmission distance, and greatly improves the accuracy of detecting the temperature and vibration frequency of the idler roller 100.

[0033] Example 2

[0034] Reference Figure 2 and Figure 4 The difference between this embodiment and embodiment 1 is that: the end of the positioning part 2 away from the optical cable part 3 is connected to three first screws 23 along the circumferential thread. The end of the first screw 23 located in the positioning groove 21 abuts against the fixing head 120. By installing the first screw 23 to abut against the fixing head 120, the connection between the positioning part 2 and the fixing head 120 can be further improved, ensuring that the positioning part 2 will not detach from the fixing head 120 due to vibration.

[0035] Reference Figure 2 and Figure 4 Two second screws 32 are connected circumferentially to one end of the optical cable section 3 away from the positioning section 2. Both the first screw 23 and the second screw 32 are made of metal. One end of the second screw 32 located in the wire clamping groove 31 abuts against the optical cable 160. By abutting against the optical cable 160 with the second screw 32, the optical cable 160 located in the wire clamping groove 31 is further fixed, ensuring that the optical cable 160 will not come out of the wire clamping groove 31, which is conducive to improving the accuracy of the test results.

[0036] Example 3

[0037] Reference Figure 5 The difference between this embodiment and embodiment 2 is that the positioning part 2 and the optical cable part 3 can be detachably connected, and can be connected by snap-fit, threaded connection or other methods, but are not limited to the above-mentioned detachable connection methods.

[0038] Reference Figure 5 and Figure 6Four elastic locking blocks 24 are fixedly connected to the end of the positioning part 2 opposite to the positioning groove 21. The end of the optical cable part 3 opposite to the cable clamping groove 31 has a groove 33 that matches the elastic locking blocks. During installation, the elastic locking blocks 24 are inserted into the corresponding grooves 33, connecting the positioning part 2 and the optical cable part 3 as a single unit. During disassembly, the elastic locking blocks 24 are pressed towards the axis of the positioning part 2, disengaging them from the grooves 33. Then, the positioning part 2 and the optical cable part 3 are pulled in opposite directions to separate them.

[0039] Reference Figure 7 The end of the optical cable section 3 facing away from the cable clamping groove 31 is fixedly connected to a threaded head 34, which has external threads. The end of the positioning section 2 facing away from the positioning groove 21 has a threaded hole 25 that matches the threaded head 34. During installation, the threaded head 34 is screwed into the threaded hole 25 to connect the positioning section 2 and the optical cable section 3 as one unit. During disassembly, the threaded head 34 is unscrewed from the threaded hole 25 to separate the positioning section 2 from the optical cable section 3.

[0040] By disassembling the positioning part 2 from the optical cable part 3, the positioning part 2, which is compatible with the positioning groove 21 of the fixing head 120, can be replaced according to different sizes of idler rollers 100 and optical cables 160, and the optical cable part 3, which is compatible with the cable clamping groove 31 of the optical cable 160, can be easily replaced. Furthermore, if multiple optical cables 160 are being tested simultaneously, the optical cable part 3 with the corresponding groove depth of the cable clamping groove 31 can be replaced.

[0041] Example 4

[0042] Reference Figure 8 The difference between this embodiment and Embodiment 1 is that the conductive block 1 has a magnetic attraction function for adsorbing and positioning the fixed head 120. The conductive block 1 can use a neodymium magnet with strong magnetic attraction. The positioning part 2 and the optical cable part 3 are integrally formed. The wire clamping groove 31 is connected to the positioning groove 21. Similarly, the positioning groove 21 is fitted onto the fixed head 120. Through the overall magnetic attraction function of the conductive block 1, the fixed head 120 and the conductive block 1 are connected and fastened. Furthermore, the optical cable 160 is placed in the wire clamping groove 31, so that the fixed head 120 and the optical cable 160 directly contact each other, further improving the accuracy of detecting the temperature and vibration frequency of the idler roller 100.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A device for fixing a vibration-conducting optical cable on a belt conveyor roller, comprising a conductive block (1), characterized in that: The conductive block (1) includes a positioning part (2) and an optical cable part (3). The positioning part (2) has a positioning groove (21) adapted to the fixing head (120), and the optical cable part (3) has a cable clamping groove (31) adapted to the optical cable (160).

2. The belt conveyor idler roller vibration transmission optical cable fixing device according to claim 1, characterized in that: The positioning part (2) is fixedly connected to the optical cable part (3). The positioning part (2) is fixedly connected to a magnetic block (22) for further adsorption and positioning of the fixing head (120). The magnetic block (22) is located in the positioning groove (21). The opening of the wire clamping groove (31) gradually increases from the end away from the positioning part (2) to the end close to the positioning part (2).

3. The belt conveyor idler roller vibration transmission optical cable fixing device according to claim 2, characterized in that: The positioning part (2) is connected to a plurality of first screws (23) along the circumferential thread at one end away from the optical cable part (3). The end of the first screw (23) located in the positioning groove (21) abuts against the fixing head (120). The optical cable part (3) is connected to a plurality of second screws (32) along the circumferential thread at one end away from the positioning part (2). The end of the second screw (32) located in the cable clamping groove (31) abuts against the optical cable (160).

4. The belt conveyor idler roller vibration transmission optical cable fixing device according to claim 1, characterized in that: The positioning part (2) and the optical cable part (3) are detachably connected.

5. The belt conveyor idler roller vibration transmission optical cable fixing device according to claim 1, characterized in that: The conductive block (1) has a magnetic attraction function for adsorbing and positioning the fixing head (120). The positioning part (2) and the optical cable part (3) are integrally formed, and the wire clamping groove (31) is connected to the positioning groove (21).

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