A monitoring device for shafting wear and its usage method

Abstract

The present invention relates to a monitoring device for shafting wear and its usage method, and relates to the technical field of shafting wear monitoring equipment. The monitoring device includes a monitoring component, a transition flange and a clamping member. Since the shaft body is arranged on the support seat via a bearing, first, the measuring member is clamped in the installation groove, then the transition flange is arranged on the support seat and coaxially arranged with the shaft body, and the uppermost first signal line is tangent to the lowermost end of the shaft body. When N first signal lines are worn and broken by the shaft body, the sinking amount of the shaft body is between the outer diameter lengths of N first signal lines and the outer diameter lengths of N + 1 first signal lines, and the sinking amount range of the shaft body is the wear amount range of the bearing. By setting the above structure, the present invention facilitates real-time monitoring of the wear degree of the bearing, so as to facilitate the maintenance or replacement of the bearing.

Description

Technical Field

[0001] The present invention relates to the technical field of shafting wear monitoring equipment, and particularly relates to a monitoring device for shafting wear and a using method thereof. Background Art

[0002] In the ship field, a transmission shaft is usually fixed by a sliding bearing. During the movement of the ship, due to the friction between the transmission shaft and the bearing, the bearing is worn out, and regular maintenance is required, that is, it is necessary to measure the friction loss. When the wear reaches a certain degree, the bearing needs to be replaced.

[0003] When detecting the wear degree of the bearing, manual maintenance is too complex and time-consuming, so sensors are used for detection. The current sensor for detecting the wear amount of the bearing is an eddy current sensor. However, the environment in seawater is complex, which affects the coefficient of electric field coupling of the measurement distance, that is, the electric field coupling coefficient changes with the change of the dielectric constant in the gap and the environmental medium, resulting in low measurement accuracy. Moreover, like power sensors, due to the presence of more impurities in seawater, the sensors will generate greater interference when detecting the friction and wear amount, so the service life is short.

[0004] However, there is a lack of a monitoring device for shafting wear in the prior art, which is not convenient for real-time monitoring of the wear degree of the bearing, resulting in inconvenience for bearing maintenance or replacement. For this reason, the present invention provides a monitoring device for shafting wear and a using method thereof. Summary of the Invention

[0005] In view of the situation of the prior art, the present invention provides a monitoring device for shafting wear and a using method thereof, which can effectively solve the problem that there is a lack of a monitoring device for shafting wear in the prior art, which is not convenient for real-time monitoring of the wear degree of the bearing, resulting in inconvenience for bearing maintenance or replacement.

[0006] The present invention is realized through the following technical solutions:

[0007] The present invention provides a monitoring device for shafting wear. The shaft body is arranged on the support seat via a bearing. The monitoring device includes:

[0008] A monitoring component, the monitoring component includes a measuring piece and a monitoring piece. The measuring piece includes a plurality of first signal lines arranged in sequence along the vertical direction and arranged in parallel. The monitoring piece is electrically connected to the plurality of first signal lines to monitor that N first signal lines are worn and broken by the shaft body, where N is a natural number. The cross-section of the first signal line is circular, the axes of the plurality of first signal lines are located in the same vertical plane, and the outer diameter of the first signal line is set to M millimeters, where M > 0.

[0009] Transition flange, the transition flange is a concentric ring structure, the inner diameter of the transition flange is larger than the inner diameter of the bearing, one end of the transition flange along its axial direction is provided with a mounting groove for mounting the measuring piece, and the transition flange is arranged on the support seat via a mounting piece and is coaxially arranged with the shaft body.

[0010] Clamping piece, the clamping piece is used to clamp the measuring piece in the mounting groove.

[0011] When the measuring piece is clamped in the mounting groove and the transition flange is arranged on the support seat, the uppermost first signal line is tangent to the lowermost end of the shaft body.

[0012] Further, the first signal line includes a wire core and a wire tube, and the wire tube is coated on the wire core.

[0013] Further, the wire core is a cable, the wire core includes an optical fiber layer and a grating layer, the grating layer is arranged outside the optical fiber layer, and multiple first signal lines are connected in series and electrically connected in sequence from top to bottom; the monitoring piece is a spectrometer, and the monitoring piece is electrically connected to the lowermost first signal line for monitoring the optical path reflection signal.

[0014] Further, the wire tube is made of copper material.

[0015] Further, the measuring piece further includes a connecting block, and the connecting block is used to mount multiple first signal lines.

[0016] Further, the connecting block and multiple first signal lines are an integrally formed structure. When multiple first signal lines are arranged in sequence and parallel in the vertical direction, multiple first signal lines are placed in a mold and cast with copper to form the integrally formed structure.

[0017] Further, the measuring piece further includes multiple second signal lines arranged in sequence and parallel in the vertical direction. The cross-section of the second signal line is circular. The axes of multiple second signal lines are located in the same vertical plane. The outer diameter of the second signal line is set to M millimeters, where M > 0, and two adjacent first signal lines are simultaneously tangent to one second signal line.

[0018] Further, the second signal line has the same structure as the first signal line.

[0019] Further, the first signal line and the second signal line are connected in series and electrically connected in sequence from top to bottom.

[0020] The usage method of any of the above monitoring devices for shafting wear includes the following steps:

[0021] S1: First, snap the measuring piece onto the installation groove, then place the transition flange on the support seat and arrange it coaxially with the shaft body, and make the uppermost first signal line tangent to the bottom end of the shaft body.

[0022] S2: When the monitoring piece monitors that N first signal lines are worn and broken by the shaft body, the sinking amount of the shaft body is between the outer diameter lengths of N first signal lines and the outer diameter lengths of N + 1 first signal lines, and the range of the sinking amount of the shaft body is the range of the wear amount of the bearing.

[0023] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0024] The present invention provides a monitoring device for shafting wear. By setting components such as the monitoring assembly, transition flange, and snap-on piece, since the shaft body is arranged on the support seat via a bearing, first snap the measuring piece onto the installation groove, then place the transition flange on the support seat and arrange it coaxially with the shaft body, and make the uppermost first signal line tangent to the bottom end of the shaft body. When N first signal lines are worn and broken by the shaft body, the sinking amount of the shaft body is between the outer diameter lengths of N first signal lines and the outer diameter lengths of N + 1 first signal lines, and the range of the sinking amount of the shaft body is the range of the wear amount of the bearing. By setting the above structure, the present invention facilitates real-time monitoring of the wear degree of the bearing, making it convenient to repair or replace the bearing. Description of the Drawings

[0025] Figure 1 It is a three-dimensional structure schematic diagram of an embodiment in the monitoring state of the monitoring device for shafting wear provided by the present invention;

[0026] Figure 2 is Figure 1 the top view structure schematic diagram of the shown structure;

[0027] Figure 3 is Figure 2 the sectional structure schematic diagram in the A-A direction in Figure 1 ;

[0028] Figure 4 is Figure 3 the partial enlarged structure schematic diagram of part B in

[0029] Figure 5 is Figure 4 the partial enlarged structure schematic diagram of part C in

[0030] Figure 6 is Figure 2 the sectional structure schematic diagram in the A-A direction in Figure 2 ;

[0031] Figure 7 is Figure 6 A partial enlarged structural schematic diagram of part D in

[0032] Figure 8 is Figure 7 A partial enlarged structural schematic diagram of part E in

[0033] Figure 9 A three - dimensional structural schematic diagram of an embodiment of a transition flange provided by the present invention;

[0034] Figure 10 A three - dimensional structural schematic diagram of an embodiment of a measuring piece provided by the present invention;

[0035] Figure 11 is Figure 10 A partial enlarged structural schematic diagram of part F in

[0036] Figure 12 A cross - sectional structural schematic diagram of an embodiment of a first signal line along its transverse section provided by the present invention.

[0037] Reference numerals: 1, monitoring component; 11, measuring piece; 111, first signal line; 1111, wire core; 11111, optical fiber layer; 11112, grating layer; 1112, wire tube; 112, connecting block; 113, second signal line; 2, transition flange; 21, installation groove; 22, installation part; 3, clamping part; 4, shaft body; 5, bearing; 6, support seat. Detailed implementation manners

[0038] The following will specifically describe the preferred embodiments of the present invention in conjunction with the drawings. The drawings form a part of this application and are used together with the embodiments of the present invention to explain the present invention, rather than to limit the present invention.

[0039] As Figures 1 to 12 shown, a monitoring device for shafting wear, the shaft body 4 is arranged on the support seat 6 via the bearing 5, and the monitoring device includes a monitoring component 1, a transition flange 2 and a clamping part 3.

[0040] The monitoring component 1 includes a measuring piece 11 and a monitoring piece. The measuring piece 11 includes a plurality of first signal lines 111 arranged in sequence and parallelly along the vertical direction. The monitoring piece is electrically connected to the plurality of first signal lines 111 to monitor that N first signal lines 111 are worn and broken by the shaft body 4, where N is a natural number. The cross - section of the first signal line 111 is circular, the axes of the plurality of first signal lines 111 are located in the same vertical plane, and the outer diameter of the first signal line 111 is set to M millimeters, where M > 0.

[0041] The transition flange 2 has a concentric ring structure. One end of the transition flange 2 along its axial direction is provided with an installation groove 21 for installing the measuring member 11. The transition flange 2 is arranged on the support seat 6 via a mounting member 22 and is coaxially arranged with the shaft body 4.

[0042] The clamping member 3 is used to clamp the measuring member 11 in the installation groove 21.

[0043] When the measuring member 11 is clamped in the installation groove 21 and the transition flange 2 is arranged on the support seat 6, the uppermost first signal line 111 is tangent to the lowermost end of the shaft body 4.

[0044] The present invention provides a monitoring device for shafting wear. By arranging components such as the monitoring assembly 1, the transition flange 2, and the clamping member 3, since the shaft body 4 is arranged on the support seat 6 via the bearing 5, first the measuring member 11 is clamped in the installation groove 21, then the transition flange 2 is arranged on the support seat 6 and is coaxially arranged with the shaft body 4, and the uppermost first signal line 111 is tangent to the lowermost end of the shaft body 4. When N first signal lines 111 are worn and broken by the shaft body 4, the sinking amount of the shaft body 4 is between the outer diameter lengths of N first signal lines 111 and the outer diameter lengths of N + 1 first signal lines 111. The sinking amount range of the shaft body 4 is the wear amount range of the bearing 5. By arranging the above structure, the present invention facilitates real-time monitoring of the wear degree of the bearing 5, making it convenient to repair or replace the bearing 5.

[0045] Among them, the monitoring starting value of the wear amount of the bearing 5 is the outer diameter length of one first signal line 111. When the wear amount of the bearing 5 is less than the above monitoring starting value, the monitoring device of the present invention will not be able to detect the wear amount situation of the bearing 5. However, since the outer diameter of the first signal line 111 is set to M millimeters, in practical applications, it can be designed according to specific scenarios. For example:

[0046] Application Example 1: When M is set to 0.3, the monitoring starting value of the wear amount of the bearing 5 is 0.3 millimeters, and the monitored ranges are: 0.3 to 0.6 millimeters, 0.6 to 0.9 millimeters, 0.9 to 1.2 millimeters, and so on. By analogy; when the bearing 5 needs to be repaired when the wear amount exceeds 1 millimeter, then when N is equal to 3, that is, when the monitored range is 0.9 to 1.2 millimeters, the bearing 5 can be monitored and repaired.

[0047] Among them, the above practical example is a set scenario for easy understanding, and the specific application scenario is subject to the actual situation.

[0048] Among them, the clamping member 3 is preferably a wire clip for clamping the measuring member 11 in the mounting groove 21. In particular, the clamping member 3 can also be other clamping structures in the prior art. In theory, as long as it can clamp the measuring member 11 in the mounting groove 21, the clamping structure is feasible.

[0049] Among them, the monitoring member can be arranged inside or outside the transition flange 2. Preferably, the monitoring member is arranged outside the transition flange 2 and electrically connected to a plurality of the first signal lines 111.

[0050] Among them, the first signal line 111 can be a wire or a cable in the prior art. When the first signal line 111 is completely broken, the monitoring member can monitor the disconnection signal of the first signal line 111, and the monitoring member is electrically connected to a plurality of the first signal lines 111 to monitor that N first signal lines 111 are worn and broken by the shaft body 4.

[0051] When the inner diameter of the transition flange 2 is greater than the inner diameter of the bearing 5, there is a situation where the inner diameter of the transition flange 2 is greater than the inner diameter of the bearing 5 and less than the outer diameter of the bearing 5. After the bearing 5 wears a certain distance, the shaft body 4 will wear the transition flange 2. To avoid the shaft body 4 from wearing the transition flange 2, preferably, the inner diameter of the transition flange 2 is greater than the outer diameter of the bearing 5. After such a design, even if the bearing 5 is completely worn and broken, the shaft body 4 will not wear the transition flange 2.

[0052] To facilitate monitoring the number of the first signal lines 111 worn and broken by the shaft body 4, the first signal line 111 includes a wire core 1111 and a wire tube 1112, and the wire tube 1112 covers the wire core 1111. The wire core 1111 is a cable, and the wire core 1111 includes an optical fiber layer 11111 and a grating layer 11112. The grating layer 11112 is arranged on the outer side of the optical fiber layer 11111, and a plurality of the first signal lines 111 are connected in series and electrically communicated from top to bottom; the monitoring member is a spectrometer, and the monitoring member is electrically connected to the lowermost first signal line 111 for monitoring the optical path reflection signal. The wire tube 1112 is made of copper material. In practical applications, after the shaft body 4 wears the bearing 5 and the shaft body 4 grinds and breaks the grating during the sinking process, the waveform intensity on the spectrometer will change after the light is reflected back through the optical path. By measuring the number of waveform intensity changes to count the number of ground and broken gratings, it is convenient to monitor the number of the first signal lines 111 worn and broken by the shaft body 4.

[0053] In order to improve the monitoring accuracy of the wear amount of the bearing 5, the measuring member 11 further includes a connecting block 112, and the connecting block 112 is used to install multiple first signal lines 111. The connecting block 112 and the multiple first signal lines 111 are of an integrally formed structure. When the multiple first signal lines 111 are arranged in sequence in the vertical direction and are arranged in parallel, the multiple first signal lines 111 are placed in a mold and cast with copper to form the integrally formed structure. Among them, designing the connecting block 112 and the multiple first signal lines 111 as an integrally formed structure makes the arrangement of the multiple first signal lines 111 more stable, so that the relative positions between the multiple first signal lines 111 will not shift, and the verticality of the multiple first signal lines 111 is better. In practical applications, first, the measuring member 11 is clamped in the installation groove 21, then the transition flange 2 is arranged on the support seat 6 and coaxially arranged with the shaft body 4, and the topmost first signal line 111 is tangent to the bottom end of the shaft body 4. When N first signal lines 111 are worn and broken by the shaft body 4, the shaft body 4 will not cause the multiple first signal lines 111 to shift during the downward movement, and the sinking amount of the shaft body 4 is between the outer diameter lengths of N first signal lines 111 and the outer diameter lengths of N + 1 first signal lines 111. The sinking amount range of the shaft body 4 is the wear amount range of the bearing 5, and the wear amount range of the bearing 5 is accurate, which can improve the monitoring accuracy of the wear amount of the bearing 5.

[0054] Among them, after the multiple first signal lines 111 are placed in a mold and cast with copper to form the integrally formed structure, when the shaft body 4 grinds and breaks the grating during the downward movement, the connecting block 112 is also worn at the same time.

[0055] As another preferred embodiment, in order to make the monitoring range of the wear amount of the bearing 5 more accurate, the measuring member 11 further includes a plurality of second signal lines 113 arranged in sequence and parallel to each other in the vertical direction. The cross-section of the second signal line 113 is circular. The axes of the plurality of second signal lines 113 are located in the same vertical plane. The outer diameter of the second signal line 113 is set to M millimeters, where M > 0. Adjacent two of the first signal lines 111 are simultaneously tangent to one of the second signal lines 113. The second signal line 113 has the same structure as the first signal line 111. The first signal line 111 and the second signal line 113 are connected in series and electrically connected in sequence from top to bottom. In practical applications, since the first signal line 111 and the second signal line 113 have the same structure and are arranged in the above manner, after the shaft body 4 wears the bearing 5 and sinks, then the shaft body 4 will successively wear the first signal line 111 and the second signal line 113. For example, the shaft body 4 first wears one of the first signal lines 111, then wears one of the second signal lines 113, and then repeats the above wear steps. The wear amount situation of the bearing 5 can be designed according to specific scenarios. For example:

[0056] Application Example 2: Referring to Application Example 1 above, when M is set to 0.3, in the case of wearing one of the first signal lines 111, the starting value of the monitoring of the wear amount of the bearing 5 is 0.3 millimeters. Since the first signal line 111 and the second signal line 113 are arranged in the above manner, in the case of continuing to wear and wearing one of the second signal lines 113, the accumulated wear amount becomes 0.15 millimeters thereafter. Therefore, the monitored ranges are successively: 0.3 to 0.45 millimeters, 0.45 to 0.6 millimeters, 0.6 to 0.75 millimeters, and so on. By analogy, this embodiment, as a preferred embodiment, can make the monitoring range of the wear amount of the bearing 5 smaller and also make the monitoring range of the wear amount of the bearing 5 more accurate.

[0057] The usage method of the monitoring device for shafting wear in any of the above embodiments includes the following steps:

[0058] S1: First, snap the measuring member 11 into the mounting groove 21, then place the transition flange 2 on the support seat 6 and arrange it coaxially with the shaft body 4, and make the uppermost first signal line 111 tangent to the lowermost end of the shaft body 4;

[0059] S2: When the monitoring member monitors that N of the first signal lines 111 are worn and broken by the shaft body 4, the sinking amount of the shaft body 4 is between the outer diameter lengths of N of the first signal lines 111 and the outer diameter lengths of N + 1 of the first signal lines 111. The sinking amount range of the shaft body 4 is the wear amount range of the bearing 5.

[0060] Compared with the prior art, the monitoring device for shafting wear provided by the present invention has the following beneficial effects:

[0061] The present invention provides a monitoring device for shafting wear. By arranging components such as the monitoring assembly 1, the transition flange 2, and the clamping member 3, since the shaft body 4 is arranged on the support seat 6 via the bearing 5, first, the measuring member 11 is clamped in the installation groove 21, then the transition flange 2 is arranged on the support seat 6 and coaxially arranged with the shaft body 4, and the uppermost first signal line 111 is tangent to the lowermost end of the shaft body 4. When N first signal lines 111 are worn and broken by the shaft body 4, the sinking amount of the shaft body 4 is between the outer diameter lengths of N first signal lines 111 and the outer diameter lengths of N + 1 first signal lines 111. The range of the sinking amount of the shaft body 4 is the range of the wear amount of the bearing 5. By arranging the above structure, the present invention facilitates real-time monitoring of the wear degree of the bearing 5, making it convenient to repair or replace the bearing 5.

[0062] The above is only a preferred embodiment of the present invention, and it is not a limitation to any form of the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention falls within the protection scope of the present invention.

Claims

1. A monitoring device for shafting wear. The shaft body is arranged on the support base via a bearing. Characterized in that, The monitoring device includes: A monitoring component, which includes a measuring piece and a monitoring piece. The measuring piece includes multiple first signal lines arranged in sequence along the vertical direction and arranged in parallel. The monitoring piece is electrically connected to the multiple first signal lines to monitor that N first signal lines are worn and broken by the shaft body, where N is a natural number. The cross-section of the first signal line is circular, the axes of the multiple first signal lines are located in the same vertical plane, and the outer diameter of the first signal line is set to M millimeters, where M > 0. A transition flange, which is a concentric ring structure. The inner diameter of the transition flange is greater than the inner diameter of the bearing. One end of the transition flange along its axial direction is provided with an installation groove for installing the measuring piece. The transition flange is arranged on the support base via a mounting piece and coaxially arranged with the shaft body. A clamping piece, which is used to clamp the measuring piece in the installation groove. When the measuring piece is clamped in the installation groove and the transition flange is arranged on the support base, the uppermost first signal line is tangent to the lowermost end of the shaft body.

2. The monitoring device for shafting wear according to claim 1. Characterized in that, The first signal line includes a wire core and a wire tube, and the wire tube covers the wire core.

3. The monitoring device for shafting wear according to claim 2. Characterized in that, The wire core is a cable, which includes an optical fiber layer and a grating layer. The grating layer is arranged on the outer side of the optical fiber layer. The multiple first signal lines are connected in series and electrically connected in sequence from top to bottom. The monitoring piece is a spectrometer, and the monitoring piece is electrically connected to the lowermost first signal line to monitor the optical path reflection signal.

4. The monitoring device for shafting wear according to claim 3. Characterized in that, The wire tube is made of copper material.

5. The monitoring device for shafting wear according to claim 4. Characterized in that, The measuring piece further includes a connecting block, which is used to install the multiple first signal lines.

6. The monitoring device for shafting wear according to claim 5. Characterized in that, The connecting block and the multiple first signal lines are an integrally formed structure. When the multiple first signal lines are arranged in sequence along the vertical direction and arranged in parallel, the multiple first signal lines are placed in a mold and cast with copper to form the integrally formed structure.

7. The monitoring device for shafting wear according to any one of claims 1 to 6. Characterized in that, The measuring piece further includes multiple second signal lines arranged in sequence along the vertical direction and arranged in parallel. The cross-section of the second signal line is circular, the axes of the multiple second signal lines are located in the same vertical plane, and the outer diameter of the second signal line is set to M millimeters, where M > 0. Adjacent two first signal lines are simultaneously tangent to one second signal line.

8. The monitoring device for shafting wear according to claim 7. Characterized in that, The second signal line has the same structure as the first signal line.

9. The monitoring device for shafting wear according to claim 8, characterized in that, the first signal line and the second signal line are connected in series and electrically connected in sequence from top to bottom.

10. The usage method of the monitoring device for shafting wear according to claim 1, characterized in that, its usage method comprises the following steps: S1: First, snap the measuring part into the installation groove, then install the transition flange on the support seat and arrange it coaxially with the shaft body, and make the first signal line at the uppermost position tangent to the lowermost end of the shaft body; S2: When the monitoring part monitors that N first signal lines are worn and broken by the shaft body, the sinking amount of the shaft body is between the outer diameter lengths of N first signal lines and the outer diameter lengths of N + 1 first signal lines, and the sinking amount range of the shaft body is the wear amount range of the bearing.

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