Power transmission line iron tower rotation angle measuring device

Abstract

A power transmission line iron tower rotation angle measuring device provided by the present invention comprises a support column arranged in an iron tower, the iron tower comprises a cross arm located at the top, the top of the support column is provided with a rotation measuring structure, the rotation measuring structure comprises a rotation rod rotatably matched on the support column, the support column is provided with a rotation frame, and the rotation rod is provided with a rotation angle measuring device. The rotating frame corresponds to the rotating rod, a plurality of first electrode plates are arranged in the supporting column, a contact is arranged at the end of the rotating rod, the contact corresponds to the first electrode plates, a first telescopic rod is arranged on the rotating rod, and the first telescopic rod corresponds to the cross arm. According to the invention, the top of the support column is provided with the rotation measurement structure, the rotation rod is provided with the first telescopic rod, and the rotation rod can be fixed to the cross arm through the first telescopic rod, so that the rotation angle of the cross arm can be measured through the rotation measurement structure, and continuous and real-time monitoring measurement can be carried out. Therefore, the cross arm can be maintained in time, a measurement result can be directly obtained, and errors are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of measuring devices, and particularly to a measuring device for the rotation angle of a transmission line tower. Background Art

[0002] Transmission lines are an important guarantee for modern industry and life, and their safe operation directly affects social stability and economic development. As an important facility for supporting transmission lines, the stability of the foundation of a transmission tower is the key to its safe operation. In some areas with poor soil conditions, the tower foundation may be twisted due to external force impact, aging or other factors, or the cross arm may bear a large force resulting in torsion, which is likely to cause the tower to be damaged. For example, the patent with the publication number CN209043260U discloses a device for measuring the rotation angle of a transmission line tower, which includes a three-dimensional cloud platform and a calculation module, a laser ranging sensor arranged on the three-dimensional cloud platform. The laser ranging sensor and the display module are both signal-connected to the calculation module; the device is arranged on any side of the transmission line tower along the line direction as an observation point; the laser ranging sensor is used to measure the distance from the observation point to the measurement point; the calculation module is used to calculate the overall rotation detection angle size of the transmission line tower according to the measured distance from the observation point to the measurement point and the design data of the transmission line tower. This device can measure the rotation angle of the transmission line tower for predicting fault risks, but it cannot perform continuous and real-time monitoring and measurement, and there are still certain safety hazards. Moreover, when measuring, it measures the distance through a ranging sensor and then obtains the result through calculation. The laser ranging sensor is easily affected by ambient light, resulting in ranging errors, and the errors are likely to increase after calculation, affecting the measurement result.

[0003] Therefore, the present invention provides a measuring device for the rotation angle of a transmission line tower. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a measuring device for the rotation angle of a transmission line tower to solve the problems raised in the above background art. The present invention can perform continuous and real-time monitoring and measurement, so that the cross arm can be repaired in time, and the measurement result can be directly obtained, reducing errors and preventing safety hazards; it can monitor the inclination angle of the support column, and when the support column is in a vertical state, it can ensure the accuracy of the inclination angle measurement of the tower; it can support the tower through a support structure to improve the strength of the tower; it can measure the rotation angle of the tower through a tower inclination measurement structure; and it can measure the inclination angle of one of the rod bodies of the tower through the support structure and the tower inclination measurement structure, expanding the measurement range of the device.

[0005] To achieve the above object, the present invention is realized by the following technical solutions: A rotating angle measuring device for a transmission line tower, including a support column installed inside the tower. The tower includes a cross arm at the top. A rotating measurement structure is installed at the top of the support column. The rotating measurement structure includes a rotating rod rotatably fitted on the support column. A rotating frame is installed on the support column, corresponding to the rotating rod. A plurality of first electrode plates are installed inside the support column. A contact is installed at the end of the rotating rod, corresponding to the first electrode plates. A first telescopic rod is installed on the rotating rod, corresponding to the cross arm. A support column inclination monitoring structure is installed on the support column. A fixed ring is fixed on the support column. A plurality of support structures and a plurality of tower inclination measurement structures are installed on the circumferential side of the fixed ring. The tower inclination measurement structure includes a second telescopic rod, and a displacement measurement structure is installed inside the second telescopic rod.

[0006] Further, a first groove is opened on the support column. The first electrode plates are fixed on the circumferential side inside the first groove. The contact is in contact with the first electrode plates. A first alarm is fixed inside the first groove. The first alarm is connected to the first electrode plates through a data line.

[0007] Further, a torque sensor is installed on the rotating frame, corresponding to the rotating rod. The rotating rod is fixedly connected to the first telescopic rod. First connection heads are fixed at both ends of the first telescopic rod. The first connection heads are fixedly connected to the cross arm.

[0008] Further, the support column inclination monitoring structure includes a second groove opened inside the support column. A second alarm is installed inside the second groove. A plurality of second electrode plates are fixed on the circumferential side inside the second groove. A weight contact ball is installed inside the second groove, corresponding to the second electrode plates. A suspension rope is fixed between the weight contact ball and the second groove. The second electrode plates are connected to the second alarm through a data line.

[0009] Further, a plurality of first pressure sensors are fixed between the fixed ring and the support column. The fixed ring is located on the circumferential side of the support column. The first pressure sensors are fixedly connected to the fixed ring and the support column. A third alarm is installed inside the support column. The third alarm is connected to the first pressure sensors through a data line.

[0010] Further, the support structure includes a support rod. One end of the support rod is fixed with a connecting plate. The connecting plate is fixedly connected to the tower. A triangular structure is formed between the two adjacent upper and lower connecting plates and the tower.

[0011] Further, a third groove is opened inside the connecting plate. A second pressure sensor is fixed inside the third groove. The second pressure sensor is in contact with the tower.

[0012] Further, the second telescopic rod is fixedly connected to the fixed ring. One end of the second telescopic rod is rotatably fitted with a second connecting head, and the second connecting head is fixedly connected to the iron tower. The second telescopic rod is located between two adjacent upper and lower support rods.

[0013] Further, the second telescopic rod includes a first rod body and a second rod body. The first rod body and the second rod body are slidably connected. A chute is provided in the first rod body, and a slider is fixed on the second rod body. The slider corresponds to the chute.

[0014] Further, an infrared distance sensor is fixed in the chute. A ball head is fixed at the end of the second rod body, and a ball bowl is provided in the second connecting head. The ball bowl corresponds to the ball head.

[0015] Advantages of the present invention:

[0016] 1. A rotation measurement structure is installed at the top of the support column, and a first telescopic rod is installed on the rotating rod. The first telescopic rod can be fixed to the cross arm, so that the rotation angle of the cross arm can be measured by the rotation measurement structure, and continuous and real-time monitoring and measurement can be carried out. Thus, the cross arm can be repaired in time, and the measurement result can be directly obtained, reducing errors and preventing potential safety hazards.

[0017] 2. A support column inclination monitoring structure is installed on the support column, which can monitor the inclination angle of the support column. When the support column is in a vertical state, the accuracy of the inclination angle measurement of the iron tower can be ensured.

[0018] 3. A support structure is installed on the periphery of the fixed ring, and the iron tower can be supported by the support structure, improving the strength of the iron tower.

[0019] 4. A iron tower inclination measurement structure is installed on the periphery of the fixed ring, and the rotation angle of the iron tower can be measured by the iron tower inclination measurement structure.

[0020] 5. The inclination angle of one of the rod bodies of the iron tower can be measured by the support structure and the iron tower inclination measurement structure, expanding the measurement range of the device. Description of the drawings

[0021] Figure 1 is a three-dimensional assembly structure diagram of a transmission line iron tower rotation angle measurement device of the present invention and the iron tower;

[0022] Figure 2 is a sectional assembly structure diagram of a transmission line iron tower rotation angle measurement device of the present invention and the iron tower;

[0023] Figure 3 is Figure 2 the schematic diagram at A in

[0024] Figure 4 is Figure 2 a schematic view of location B in

[0025] Figure 5 is a three - dimensional assembly structure schematic diagram of a support column, a cross arm, and a support structure in a transmission line tower rotation angle measuring device of the present invention;

[0026] Figure 6 is a three - dimensional assembly structure schematic diagram of a fixing ring, a support structure, and a tower inclination measuring structure in a transmission line tower rotation angle measuring device of the present invention;

[0027] Figure 7 is a three - dimensional assembly structure schematic diagram of the whole transmission line tower rotation angle measuring device of the present invention;

[0028] Figure 8 is Figure 7 a schematic view of location C in

[0029] Figure 9 is a sectional assembly structure schematic diagram of the whole transmission line tower rotation angle measuring device of the present invention;

[0030] Figure 10 is Figure 9 a schematic view of location D in

[0031] In the figure: 1, tower; 2, cross arm; 3, first telescopic rod; 4, first connector; 5, support column; 6, rotation measuring structure; 7, rotating rod; 8, rotating frame; 9, torque sensor; 10, first electrode plate; 11, first alarm; 12, contact; 13, first groove; 14, support column inclination monitoring structure; 15, second groove; 16, second alarm; 17, second electrode plate; 18, suspension rope; 19, counterweight touch ball; 20, fixing ring; 21, first pressure sensor; 22, support structure; 23, support rod; 24, connecting plate; 25, second pressure sensor; 26, third groove; 27, tower inclination measuring structure; 28, second telescopic rod; 29, first rod body; 30, second rod body; 31, second connector; 32, sliding groove; 33, infrared distance sensor; 34, ball head; 35, ball bowl; 36, slider. Detailed implementation manners

[0032] To make the technical means, creative features, achieved purposes, and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0033] Please refer to Figures 1 to 10, the present invention provides a technical solution: a rotating angle measuring device for a transmission line tower, which includes a support column 5 installed in the tower 1. The tower 1 includes a cross arm 2 at the top. A rotating measurement structure 6 is installed at the top of the support column 5. The rotating measurement structure 6 includes a rotating rod 7 rotatably fitted on the support column 5. A rotating frame 8 is installed on the support column 5, and the rotating frame 8 corresponds to the rotating rod 7. A plurality of first electrode plates 10 are installed in the support column 5. A contact 12 is installed at the end of the rotating rod 7, and the contact 12 corresponds to the first electrode plates 10. A first telescopic rod 3 is installed on the rotating rod 7, and the first telescopic rod 3 corresponds to the cross arm 2. A support column inclination monitoring structure 14 is installed on the support column 5. A fixed ring 20 is fixed on the support column 5. A plurality of support structures 22 and a plurality of tower inclination measurement structures 27 are installed on the circumferential side of the fixed ring 20. The tower inclination measurement structure 27 includes a second telescopic rod 28, and a displacement measurement structure is installed in the second telescopic rod 28.

[0034] Embodiment 1

[0035] In this embodiment, a first groove 13 is opened on the support column 5. The first electrode plates 10 are fixed on the circumferential side inside the first groove 13. The contact 12 is in contact with the first electrode plates 10. A first alarm 11 is fixed in the first groove 13, and the first alarm 11 is connected to the first electrode plates 10 through a data line.

[0036] Specifically, when the cross arm 2 rotates, the cross arm 2 drives the rotating rod 7 to rotate through the first telescopic rod 3, thereby driving the contact 12 to rotate. When the cross arm 2 rotates to a certain angle, such as 15°, at this time, the contact 12 contacts the first electrode plate 10 at the 15° position, and the alarm can be triggered. When the cross arm 2 rotates to another angle, such as 20°, at this time, the contact 12 contacts the first electrode plate 10 at the 20° position, and another alarm can be triggered, so that the rotation angle of the cross arm 2 can be measured in time.

[0037] A torque sensor 9 is installed on the rotating frame 8, and the torque sensor 9 corresponds to the rotating rod 7. The rotating rod 7 is fixedly connected to the first telescopic rod 3. First connection heads 4 are fixed at both ends of the first telescopic rod 3, and the first connection heads 4 are fixedly connected to the cross arm 2.

[0038] Specifically, when the cross arm 2 rotates, since the first connector 4 is fixed to the cross arm 2, the rotation of the cross arm 2 can drive the first telescopic rod 3 to rotate together. The cross arm 2 will drive the rotating rod 7 to rotate through the first telescopic rod 3. The rotating rod 7 rotates within the rotating frame 8, so that the angle of rotation of the rotating rod 7 can be continuously measured by the torque sensor 9, thereby measuring the rotation angle of the cross arm 2. A control structure can be installed in the support column 5. The control structure is an industrial data collector, edge computing device, etc. in the prior art. The control structure includes a signal transmitter, which can connect the first alarm 11, the second alarm 16, the third alarm, the infrared distance sensor 33, the first pressure sensor 21 and the second pressure sensor 25 to the control structure through data lines. The torque sensor 9 is connected to the control structure through a data line, so that the rotation angle of the cross arm 2 can be monitored in real time.

[0039] The support column inclination monitoring structure 14 includes a second groove 15 opened in the support column 5. A second alarm 16 is installed in the second groove 15. A plurality of second electrode plates 17 are fixed on the peripheral side in the second groove 15. A weight contact ball 19 is installed in the second groove 15. The weight contact ball 19 corresponds to the second electrode plate 17. A suspension rope 18 is fixed between the weight contact ball 19 and the second groove 15. The second electrode plate 17 is connected to the second alarm 16 through a data line.

[0040] Specifically, the inclination of the support column 5 can be monitored by the weight contact ball 19. When the support column 5 is inclined, at this time, the weight contact ball 19 still remains vertically downward under the action of the suspension rope 18 and gravity. Therefore, a certain angle is generated between the weight contact ball 19 and the support column 5. At this time, the weight contact ball 19 contacts the second electrode plate 17, causing the second electrode plate 17 to trigger the second alarm 16 to send an alarm, so that the inclination of the support column 5 can be monitored. When the support column 5 is inclined, there will be a certain error in the measurement of the iron tower 1. Therefore, the staff can be arranged in time to straighten the support column 5.

[0041] A plurality of first pressure sensors 21 are fixed between the fixing ring 20 and the support column 5. The fixing ring 20 is located on the peripheral side of the support column 5. The first pressure sensors 21 are fixedly connected to the fixing ring 20 and the support column 5. A third alarm is installed in the support column 5. The third alarm is connected to the first pressure sensor 21 through a data line.

[0042] Specifically, when the iron tower 1 is inclined relative to each other, at this time, since the iron tower 1 is fixed to the support rod 23, the inclination of the iron tower 1 will push the fixing ring 20 through the support rod 23, causing the fixing ring 20 to squeeze the first pressure sensor 21. The pressure received by the first pressure sensor 21 changes greatly, so the third alarm is triggered to alarm, so that the inclination of the iron tower 1 can be measured and detected, and a good supporting effect can be achieved.

[0043] Example 2

[0044] In this embodiment, the support structure 22 includes a support rod 23. One end of the support rod 23 is fixed with a connecting plate 24. The connecting plate 24 is fixedly connected to the iron tower 1. A triangular structure is formed between two adjacent upper and lower connecting plates 24 and the iron tower 1.

[0045] Specifically, the iron tower 1 and the fixing ring 20 can be fixed together through the support rod 23 and the connecting plate 24. The fixing ring 20 can also be fixedly connected to the support column 5 by bolts. At this time, the strength of the iron tower 1 can be enhanced through the support column 5, the support rod 23 and the connecting plate 24, so as to prevent the iron tower 1 from tilting until the tilting angle of the iron tower 1 is too large. At this time, the support rod 23 cannot bear the large force and breaks, preventing the support column 5 from tilting together due to the tilting of the iron tower 1.

[0046] Example 3

[0047] In this embodiment, a third groove 26 is formed in the connecting plate 24. A second pressure sensor 25 is fixed in the third groove 26. The second pressure sensor 25 is in contact with the iron tower 1.

[0048] Specifically, when the iron tower 1 tilts, the rod body on the iron tower 1 may be distorted. Since the second pressure sensor 25 is in contact with the iron tower 1, the pressures detected by different second pressure sensors 25 in contact with the same rod body are different at this time. Therefore, the degree of distortion can be judged according to the detected pressure magnitude.

[0049] The second telescopic rod 28 is fixedly connected to the fixing ring 20. One end of the second telescopic rod 28 is rotatably fitted with a second connecting head 31. The second connecting head 31 is fixedly connected to the iron tower 1. The second telescopic rod 28 is located between two adjacent upper and lower support rods 23. The second telescopic rod 28 includes a first rod body 29 and a second rod body 30. The first rod body 29 and the second rod body 30 are slidably connected. A chute 32 is formed in the first rod body 29. A slider 36 is fixed on the second rod body 30. The slider 36 corresponds to the chute 32. An infrared distance sensor 33 is fixed in the chute 32. A ball head 34 is fixed at the end of the second rod body 30. A ball bowl 35 is formed in the second connecting head 31. The ball bowl 35 corresponds to the ball head 34.

[0050] Specifically, when the iron tower 1 tilts, the iron tower 1 will squeeze the second rod body 30, causing the second rod body 30 to slide in the chute 32 through the slider 36. At this time, the position of the slider 36 can be measured by the infrared distance sensor 33, so as to measure the displacement of the iron tower 1 tilting and rotating.

[0051] The ball bowl 35 and the ball head 34 between the second rod body 30 and the second connector 31 enable the second rod body 30 and the second connector 31 to rotate relative to each other. The second connector 31 is fixedly connected to the iron tower 1 by bolts. When the iron tower 1 rotates or tilts, it can drive the second connector 31 to move synchronously. At this time, the ball bowl 35 and the ball head 34 can play a good buffering effect, thereby preventing the sliding of the first rod body 29 and the second rod body 30 from being restricted by a large torque.

[0052] Specifically, the support column 5 can be of a multi-segment structure, that is, a structure in which multiple shorter rod bodies are combined and fixedly installed, which is convenient for transporting the support column 5 and installing the support column 5 inside the iron tower 1.

[0053] Workflow: When the cross arm 2 rotates, the first connector 4 is fixed to the cross arm 2. Therefore, the rotation of the cross arm 2 can drive the first telescopic rod 3 to rotate together. The cross arm 2 will drive the rotating rod 7 to rotate through the first telescopic rod 3. The rotating rod 7 rotates in the rotating frame 8, thereby driving the contact 12 to rotate. When the cross arm 2 rotates to a certain angle, such as rotating 15°, at this time, the contact 12 contacts the first electrode plate 10 located at the 15° position, and the alarm can be triggered. When the cross arm 2 rotates to another angle, such as 20°, at this time, the contact 12 contacts the first electrode plate 10 located at the 20° position, and another alarm can be triggered. Thus, the rotation angle of the cross arm 2 can be measured in a timely manner, and the rotation angle of the rotating rod 7 is continuously measured through the torque sensor 9, so as to measure the rotation angle of the cross arm 2 more accurately and monitor the rotation angle of the cross arm 2 in real time. [[ID=&]]

[0054] [[ID=&]]When the support column 5 tilts, at this time, the counterweight contact ball 19 still remains vertically downward under the action of the suspension rope 18 and gravity. Therefore, a certain angle is generated between the counterweight contact ball 19 and the support column 5. At this time, the counterweight contact ball 19 contacts the second electrode plate 17, causing the second electrode plate & to trigger the second alarm 16 to issue an alarm, thereby monitoring whether the support column 5 tilts and preventing errors caused by the tilt of the support column 5.

[0055] When the iron tower 1 tilts, the rod bodies on the iron tower 1 may be distorted. Because the second pressure sensor 25 contacts the iron tower 1, at this time, the pressures detected by different second pressure sensors 25 contacting the same rod body are different. Therefore, the degree of distortion can be judged according to the detected pressure magnitude.

[0056] Or the tilt distance of the iron tower 1 is measured through the second telescopic rod 28. When the iron tower 1 tilts, the iron tower 1 will squeeze the second rod body 30, causing the second rod body 30 to slide in the chute 32 through the slider 36. At this time, the position of the slider 36 can be measured by the infrared distance sensor 33, so as to measure the displacement of the iron tower 1 tilting and rotating.

[0057] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for measuring the rotation angle of a transmission line tower, comprising a support column (5) installed inside the tower (1), characterized in that, The iron tower (1) includes a cross arm (2) located at the top. A rotating measurement structure (6) is installed at the top of the support column (5). The rotating measurement structure (6) includes a rotating rod (7) rotatably fitted on the support column (5). A rotating frame (8) is installed on the support column (5). The rotating frame (8) corresponds to the rotating rod (7). A plurality of first electrode plates (10) are installed in the support column (5). A contact (12) is installed at the end of the rotating rod (7). The contact (12) corresponds to the first electrode plate (10). A first telescopic rod (3) is installed on the rotating rod (7). The first telescopic rod (3) corresponds to the cross arm (2). A support column inclination monitoring structure (14) is installed on the support column (5). A fixing ring (20) is fixed on the support column (5). A plurality of support structures (22) and a plurality of iron tower inclination measurement structures (27) are installed on the circumferential side of the fixing ring (20). The iron tower inclination measurement structure (27) includes a second telescopic rod (28). A displacement measurement structure is installed in the second telescopic rod (28).

2. The rotation angle measuring device for a transmission line iron tower according to claim 1, characterized in that: A first groove (13) is opened on the support column (5). The first electrode plate (10) is fixed on the circumferential side inside the first groove (13). The contact (12) is in contact with the first electrode plate (10). A first alarm (11) is fixed in the first groove (13). The first alarm (11) is connected to the first electrode plate (10) through a data line.

3. The rotation angle measuring device for a transmission line iron tower according to claim 1, characterized in that: A torque sensor (9) is installed on the rotating frame (8). The torque sensor (9) corresponds to the rotating rod (7). The rotating rod (7) is fixedly connected to the first telescopic rod (3). First connection heads (4) are fixed at both ends of the first telescopic rod (3). The first connection heads (4) are fixedly connected to the cross arm (2).

4. The rotation angle measuring device for a transmission line iron tower according to claim 1, wherein: The support column inclination monitoring structure (14) includes a second groove (15) opened in the support column (5). A second alarm (16) is installed in the second groove (15). A plurality of second electrode plates (17) are fixed on the circumferential side inside the second groove (15). A weight contact ball (19) is installed in the second groove (15). The weight contact ball (19) corresponds to the second electrode plate (17). A suspension rope (18) is fixed between the weight contact ball (19) and the second groove (15). The second electrode plate (17) is connected to the second alarm (16) through a data line.

5. The rotation angle measuring device for a transmission line iron tower according to claim 1, characterized in that: A plurality of first pressure sensors (21) are fixed between the fixing ring (20) and the support column (5). The fixing ring (20) is located on the circumferential side of the support column (5). The first pressure sensors (21) are fixedly connected to the fixing ring (20) and the support column (5). A third alarm is installed in the support column (5). The third alarm is connected to the first pressure sensors (21) through a data line.

6. The rotation angle measuring device for a transmission line iron tower according to claim 1, wherein: The support structure (22) includes a support rod (23). One end of the support rod (23) is fixed with a connecting plate (24). The connecting plate (24) is fixedly connected to the iron tower (1). A triangular structure is formed between two adjacent upper and lower connecting plates (24) and the iron tower (1).

7. The rotating angle measuring device for a transmission line iron tower according to claim 6, characterized in that: A third groove (26) is formed in the connecting plate (24), and a second pressure sensor (25) is fixed in the third groove (26). The second pressure sensor (25) is in contact with the iron tower (1).

8. The rotating angle measuring device for a transmission line iron tower according to claim 6, characterized in that: The second telescopic rod (28) is fixedly connected to the fixing ring (20). One end of the second telescopic rod (28) is rotatably fitted with a second connecting head (31). The second connecting head (31) is fixedly connected to the iron tower (1). The second telescopic rod (28) is located between two adjacent upper and lower support rods (23).

9. The rotation angle measuring device for a transmission line iron tower according to claim 8, characterized in that: The second telescopic rod (28) includes a first rod body (29) and a second rod body (30). The first rod body (29) is slidably connected to the second rod body (30). A chute (32) is formed in the first rod body (29). A slider (36) is fixed on the second rod body (30). The slider (36) corresponds to the chute (32).

10. The rotation angle measuring device for a transmission line tower according to claim 9, characterized in that: An infrared distance sensor (33) is fixed in the chute (32). A ball head (34) is fixed at the end of the second rod body (30). A ball bowl (35) is formed in the second connecting head (31). The ball bowl (35) corresponds to the ball head (34).

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