Iron tower bolt looseness detecting and fastening device

Abstract

The utility model relates to an iron tower bolt looseness detecting and fastening device which comprises a fixing frame, a turnover frame is hinged to the fixing frame, the fixing frame is fixedly connected with a turnover driving mechanism, a power shaft of the turnover driving mechanism is fixedly connected with a hinge portion of the fixing frame, and a body of the turnover driving mechanism is fixedly connected to the fixing frame. The overturning frame is movably connected with a torque wrench mounting plate through a sliding block, the torque wrench mounting plate is provided with a ball pin pair, an outer roller path of the ball pin pair is connected with a torque wrench, the middle of the torque wrench is fixedly connected with the outer roller path of the ball pin pair, and the fixing frame is fixed to the working part. According to the iron tower bolt looseness detecting and fastening device, the force bearing unit of the whole iron tower bolt looseness detecting and fastening device is transferred to an iron tower from the hand of a worker, the two-hand freedom degree of the worker is greatly improved, the fatigue degree of the worker holding equipment by hand is relieved, the risk of high-altitude operation is reduced, and the problem that the bolt is checked by holding equipment with one hand traditionally is solved.

Description

Technical Field

[0001] The present application relates to the technical field of detection equipment, and in particular to a tower bolt loosening detection and tightening device. Background Art

[0002] Communication towers are connected by angle steel and bolts to form a truss, and then connected one by one to form a whole. Tower safety monitoring has gradually attracted more and more attention in recent years. Whether the tower is in good operating condition is related to the safety of people or objects around the tower, the maintenance cost of the tower builder or user, the information security of the area covered by the tower, and even the security of economic and social development.

[0003] Timely maintenance and repair of the tower in the later use is the key factor to ensure the normal use of the tower. The loosening of the screws at the connection position of the tower angle steel is very easy to occur and is not easy to detect. In serious cases, it will cause the tower to collapse. In the past, the loosening inspection and tightening of the tower bolts required personnel to climb up the tower and check each angle iron and each bolt one by one to see if they meet the requirements. Personnel need to work at high altitude and implement bolt loosening detection and tightening devices on the tower. Utility Model Content

[0004] Based on this, it is necessary to propose a tower bolt loosening detection and tightening device to address the defect of the traditional bolt detection project lacking detection tools.

[0005] The present application provides a tower bolt loosening detection and tightening device, comprising:

[0006] A fixed frame, the fixed frame is hinged with a flip frame, the fixed frame is fixedly connected with a flip drive mechanism, the power shaft of the flip drive mechanism is fixedly connected with the hinged part of the fixed frame, the body of the flip drive mechanism is fixedly connected to the fixed frame, and the flip frame is movably connected with a torque wrench mounting plate through a slider;

[0007] The torque wrench mounting plate is provided with a ball and pin pair, the outer raceway of the ball and pin pair is connected to the torque wrench, the middle part of the torque wrench is fixedly connected to the outer raceway of the ball and pin pair, the torque wrench includes a load-bearing tube, the end of the load-bearing tube is fixedly connected to a fixing ring, the fixing ring is sleeved with an operating ring, the fixing ring is hinged to the operating ring, the outer edge of the operating ring is evenly fixedly connected with teeth around the central axis of the operating ring, the fixing ring is provided with a rectangular hole, the inner cavity of the load-bearing tube is provided with a torque adjustment structure, and the torque adjustment mechanism abuts against the operating ring through the rectangular hole.

[0008] Preferably, the working ring comprises a first trapezoidal hole, a second trapezoidal hole and a third trapezoidal hole, and the first trapezoidal hole, the second trapezoidal hole and the third trapezoidal hole are connected in sequence.

[0009] Preferably, the structure of the first trapezoidal hole, the structure of the second trapezoidal hole and the structure of are the same, the longest side of the first trapezoidal hole is larger than the longest side of the structure of the second trapezoidal hole, and the longest side of the second trapezoidal hole is larger than the longest side of the structure of the third trapezoidal hole.

[0010] Preferably, the bottom angles of the first trapezoidal hole, the second trapezoidal hole and the third trapezoidal hole increase in sequence.

[0011] Preferably, the torque adjustment mechanism includes a base rod and a bearing plate, the middle part of the bearing plate is hinged to the first end of the base rod, and the angle range of the line connecting the two ends of the bearing plate and the middle part of the bearing plate is greater than or equal to 165 degrees and less than or equal to 175 degrees.

[0012] Preferably, the torque adjustment mechanism further comprises a spring and a fixed plate, wherein the fixed plate is fixedly connected to the second end, one end of the spring abuts against the load-bearing plate, and the other end of the spring abuts against the fixed plate.

[0013] Preferably, one end of the load-bearing plate abuts against the spring, and the other end of the load-bearing plate abuts against the working ring through the rectangular hole.

[0014] Preferably, the torque adjustment mechanism further comprises a screw rod, the spring is sleeved on the outer surface of the screw rod, and the screw rod is fixedly connected to the fixing plate.

[0015] Preferably, the torque adjustment mechanism further comprises an adjusting nut, the adjusting nut is sleeved on the outer circumferential surface of the screw rod, the nut is threadedly connected to the screw rod, and the nut is arranged between the spring and the fixing plate.

[0016] Preferably, the base rod is arranged on the load-bearing tube, and the load-bearing tube is provided with an annular notch.

[0017] Technical advantages of this application:

[0018] 1. The fixing frame is fixed to the working part, so that the load-bearing unit of the entire tower bolt loosening detection and tightening device is transferred from the worker's hand to the tower. The flip drive mechanism drives the hinged part of the fixing frame to rotate, so that the flip frame rotates to the bolt cluster to be inspected, and the torque wrench mounting plate slides to a bolt to be inspected. The torque wrench rotates through the ball pin pair to make the torque wrench reach the predetermined position and engage the bolt cap. The worker realizes the fixed torque of the bolt by turning the bolt. When a bolt is inspected, the torque wrench can be moved to the next bolt inspection position through the slider, or the torque wrench can be moved to the next bolt inspection position through the ball pin pair. This greatly releases the freedom of the workers' hands, relieves the fatigue of the workers holding the equipment, and reduces the risk of high-altitude operations.

[0019] 2. Through the first trapezoidal holes, the second trapezoidal holes and the third trapezoidal holes of the multiple working rings, the torque wrench can be adapted to various specifications of bolt caps, thereby improving the adaptability of the entire tower bolt loosening detection and tightening device.

[0020] 3. Through the annular notch and with an external wrench, the deformation of the nut compression spring is adjusted according to the torque requirement of the bolt to be tested, ensuring that the elastic force given to the load-bearing plate by the spring meets the torque requirement.

[0021] 4. The bearing plate abuts against the working ring through the rectangular hole. When the torque wrench rotates forward, the working ring and the bolt cap rotate relatively. When the torque wrench rotates reversely, the bearing plate applies the rated torque to the bolt cap. When the torque exceeds the rated torque, the bearing plate compresses the spring, and the working ring and the bolt cap rotate relatively, completing the work of fixing the torque of the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0023] Figure 1 A schematic structural diagram of a tower bolt loosening detection and tightening device provided in one embodiment of the present application.

[0024] Figure 2 A schematic structural diagram of a tower bolt loosening detection and tightening device provided in yet another embodiment of the present application.

[0025] Figure 3 A schematic structural diagram of a tower bolt loosening detection and tightening device provided in yet another embodiment of the present application.

[0026] Figure 4 A schematic structural diagram of a torque wrench for detecting and tightening bolt loosening in a tower provided in one embodiment of the present application.

[0027] Figure 5 A schematic structural diagram of a torque wrench of another tower bolt loosening detection and tightening device provided in an embodiment of the present application.

[0028] Figure 6 A schematic structural diagram of a torque wrench of another tower bolt loosening detection and tightening device provided in an embodiment of the present application.

[0029] Figure numerals: fixed frame 1; flip frame 2; flip drive mechanism 3; torque wrench mounting plate 4; ball pin pair 41; torque wrench 5; load-bearing tube 51; fixed ring 52; rectangular hole 521; working ring 53; meshing teeth 531; first trapezoidal hole 532; second trapezoidal hole 533; third trapezoidal hole 534; torque adjustment structure 54; spring 541; fixed plate 542; load-bearing plate 543; screw 544; adjusting nut 545; annular notch 546, base rod; 547. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0031] The present application provides a tower bolt loosening detection and tightening device.

[0032] like Figures 1 to 6 As shown, in one embodiment of the present application:

[0033] A tower bolt loosening detection and tightening device, comprising a fixing frame 1, the fixing frame 1 is hinged with a flip frame 2, the fixing frame 1 is fixedly connected with a flip driving mechanism 3, the power shaft of the flip driving mechanism 3 is fixedly connected to the hinged part of the fixing frame 1, the body of the flip driving mechanism 3 is fixedly connected to the fixing frame 1, the flip frame 2 is movably connected with a torque wrench mounting plate 4 through a slider, the torque wrench mounting plate 4 is provided with a ball pin pair 41, the outer raceway of the ball pin pair 41 is connected with a torque wrench 5, the middle part of the torque wrench 5 is connected to the ball pin pair 41 The torque wrench 5 comprises a load-bearing tube 51, a fixed ring 52 is fixedly connected to the end of the load-bearing tube 51, a working ring 53 is sleeved on the fixed ring 52, the fixed ring 52 is hinged to the working ring 53, the outer edge of the working ring 53 is evenly fixedly connected with teeth 531 around the central axis of the working ring 53, the fixed ring 52 is provided with a rectangular hole 521, and the inner cavity of the load-bearing tube 51 is provided with a torque adjustment structure 54, and the torque adjustment structure 54 abuts against the working ring 53 through the rectangular hole 521.

[0034] This embodiment relates to a tower bolt loosening detection and tightening device, which is hoisted to the working part, i.e., the part of the tower to be inspected, by means of the previous suspension equipment. Generally speaking, the bolt inspection of the key load-bearing part of the tower is more concentrated. The fixing frame 1 is fixed to the working part, so that the load-bearing unit of the entire tower bolt loosening detection and tightening device is transferred from the worker's hand to the tower, which greatly improves the freedom of the worker's hands, relieves the fatigue of the worker holding the equipment, and reduces the risk of high-altitude operations.

[0035] The flip drive mechanism 3 drives the hinged part of the fixed frame 1 to rotate, so that the flip frame 2 rotates to the bolt cluster to be inspected, the torque wrench mounting plate 4 slides to a bolt to be inspected, and the torque wrench 5 rotates through the ball pin pair 41 to make the torque wrench 5 reach the predetermined position and engage the bolt cap. The worker realizes the fixed torque of the bolt by turning the bolt. When a bolt is inspected, the torque wrench 5 can be moved to the next bolt inspection position through the slider, or the torque wrench 5 can be moved to the next bolt inspection position through the ball pin pair 41. This greatly releases the freedom of the workers' hands, relieves the fatigue of the workers holding the equipment, and reduces the risk of high-altitude operations.

[0036] like Figures 1 to 6 As shown, in one embodiment of the present application, a tower bolt loosening detection and tightening device, a torque wrench 5 includes a bearing tube 51, a bearing tube 51, a fixed ring 52 is fixedly connected to the end of the bearing tube 51, a working ring 53 is sleeved on the fixed ring 52, the fixed ring 52 is hinged with the working ring 53, the outer edge of the working ring 53 is evenly fixedly connected with a tooth 531 around the central axis of the working ring 53, the fixed ring 52 is provided with a rectangular hole 521, the inner cavity of the bearing tube 51 is provided with a torque adjustment structure 54, and the torque adjustment structure 54 abuts against the working ring 53 through the rectangular hole 521. The working ring 53 includes a first trapezoidal hole 532, a second trapezoidal hole 533 and a third trapezoidal hole 534, and the first trapezoidal hole 532, the second trapezoidal hole 533 and the third trapezoidal hole 534 are sequentially connected. The structure of the first trapezoidal hole 532, the structure of the second trapezoidal hole 533 and the structure of the third trapezoidal hole 534 are the same, the longest side of the first trapezoidal hole 532 is greater than the longest side of the structure of the second trapezoidal hole 533, and the longest side of the second trapezoidal hole 533 is greater than the longest side of the structure of the third trapezoidal hole 534. The bottom angles of the first trapezoidal hole 532, the second trapezoidal hole 533 and the third trapezoidal hole 534 increase in sequence.

[0037] The present embodiment relates to a tower bolt loosening detection and tightening device. Through the first trapezoidal holes 532, the second trapezoidal holes 533 and the third trapezoidal holes 534 of the multiple working rings 53, the torque wrench 5 can be adapted to various bolt cap specifications, thereby improving the adaptability of the entire tower bolt loosening detection and tightening device.

[0038] like Figures 1 to 6As shown, in one embodiment of the present application, a tower bolt loosening detection and tightening device, the torque wrench 5 includes a load-bearing tube 51, the load-bearing tube 51, the end of the load-bearing tube 51 is fixedly connected with a fixing ring 52, the fixing ring 52 is sleeved with an operating ring 53, the fixing ring 52 and the operating ring 53 are hinged, the outer edge of the operating ring 53 is evenly fixedly connected with a tooth 531 around the central axis of the operating ring 53, the fixing ring 52 is provided with a rectangular hole 521, the inner cavity of the load-bearing tube 51 is provided with a torque adjustment structure 54, the torque adjustment structure 54 is abutted against the operating ring 53 through the rectangular hole 521.

[0039] The torque adjustment structure 54 includes a base rod 547 and a bearing plate 543, the middle part of the bearing plate 543 is hinged to the first end of the base rod 547, and the angle range between the two ends of the bearing plate 543 and the middle part of the bearing plate 543 is greater than or equal to 165 degrees and less than or equal to 175 degrees. The torque adjustment structure 54 also includes a spring 541 and a fixed plate 542, the fixed plate 542 is fixedly connected to the second end, one end of the spring 541 abuts against the bearing plate 543, and the other end of the spring 541 abuts against the fixed plate 542. One end of the bearing plate 543 abuts against the spring 541, and the other end of the bearing plate 543 abuts against the working ring 53 through the rectangular hole 521. The torque adjustment structure 54 also includes a screw 544, the spring 541 is sleeved on the outer surface of the screw 544, and the screw 544 is fixedly connected to the fixed plate 542. The torque adjustment structure 54 further includes an adjustment nut 545, which is sleeved on the outer circumference of the screw rod 544 and threadedly connected to the screw rod 544. The adjustment nut 545 is arranged between the spring 541 and the fixing plate 542. The base rod 547 is arranged on the load-bearing tube 51, and the load-bearing tube 51 is provided with an annular notch 546.

[0040] This embodiment relates to a tower bolt loosening detection and tightening device, which uses an annular notch 546 to cooperate with an external wrench to adjust the deformation of the nut 545 compression spring 541 according to the torque requirement of the bolt to be detected, thereby ensuring that the elastic force given by the spring 541 to the load-bearing plate 543 meets the torque requirement.

[0041] The load-bearing plate 543 abuts against the working ring 53 through the rectangular hole 521. When the torque wrench 5 rotates in the forward direction, the working ring 53 and the bolt nut rotate relatively. When the torque wrench 5 rotates in the reverse direction, the load-bearing plate 543 applies the rated torque to the bolt nut. When the torque exceeds the rated torque, the load-bearing plate 543 compresses the spring 541, and the working ring 53 and the bolt nut rotate relatively, completing the work of fixing the torque of the bolt.

[0042] The technical features of the above embodiments may be combined arbitrarily, and the execution order of the method steps is not limited. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A tower bolt loosening detection and tightening device, characterized in that: include: A fixed frame (1), the fixed frame (1) is hingedly connected to a flip frame (2), the fixed frame (1) is fixedly connected to a flip drive mechanism (3), a power shaft of the flip drive mechanism (3) is fixedly connected to a hinged portion of the fixed frame (1), a body of the flip drive mechanism (3) is fixedly connected to the fixed frame (1), and the flip frame (2) is movably connected to a torque wrench mounting plate (4) via a slider; The torque wrench mounting plate (4) is provided with a ball and pin pair (41), the outer raceway of the ball and pin pair (41) is connected with a torque wrench (5), the middle part of the torque wrench (5) is fixedly connected with the outer raceway of the ball and pin pair (41), the torque wrench (5) comprises a load-bearing tube (51), the end of the load-bearing tube (51) is fixedly connected with a fixing ring (52), the fixing ring (52) is sleeved with an operating ring (53), the fixing ring (52) is hinged with the operating ring (53), the outer edge of the operating ring (53) is evenly fixedly connected with teeth (531) around the central axis of the operating ring (53), the fixing ring (52) is provided with a rectangular hole (521), the inner cavity of the load-bearing tube (51) is provided with a torque adjustment structure (54), and the torque adjustment structure (54) abuts against the operating ring (53) through the rectangular hole (521).

2. The tower bolt loosening detection and tightening device according to claim 1, characterized in that: The working ring (53) comprises a first trapezoidal hole (532), a second trapezoidal hole (533) and a third trapezoidal hole (534), and the first trapezoidal hole (532), the second trapezoidal hole (533) and the third trapezoidal hole (534) are connected in sequence.

3. The tower bolt loosening detection and tightening device according to claim 2 is characterized in that: The structure of the first trapezoidal hole (532), the structure of the second trapezoidal hole (533) and the structure of the third trapezoidal hole (534) are the same, the longest side of the first trapezoidal hole (532) is greater than the longest side of the structure of the second trapezoidal hole (533), and the longest side of the second trapezoidal hole (533) is greater than the longest side of the structure of the third trapezoidal hole (534).

4. The tower bolt loosening detection and tightening device according to claim 3 is characterized in that: The bottom angles of the first trapezoidal hole (532), the bottom angles of the second trapezoidal hole (533), and the bottom angles of the third trapezoidal hole (534) increase in sequence.

5. The tower bolt loosening detection and tightening device according to claim 4, characterized in that: The torque adjustment structure (54) comprises a base rod (547) and a load-bearing plate (543); the middle portion of the load-bearing plate (543) is hinged to the first end of the base rod (547); and the angle between the two ends of the load-bearing plate (543) and the middle portion of the load-bearing plate (543) is greater than or equal to 165 degrees and less than or equal to 175 degrees.

6. The tower bolt loosening detection and tightening device according to claim 5, characterized in that: The torque adjustment structure (54) further comprises a spring (541) and a fixing plate (542), wherein the fixing plate (542) is fixedly connected to the second end of the base rod (547), one end of the spring (541) abuts against the load-bearing plate (543), and the other end of the spring (541) abuts against the fixing plate (542).

7. The tower bolt loosening detection and tightening device according to claim 6, characterized in that: One end of the load-bearing plate (543) abuts against the spring (541), and the other end of the load-bearing plate (543) abuts against the working ring (53) through the rectangular hole (521).

8. The tower bolt loosening detection and tightening device according to claim 7, characterized in that: The torque adjustment structure (54) further comprises a screw rod (544), the spring (541) is sleeved on the outer surface of the screw rod (544), and the screw rod (544) is fixedly connected to the fixing plate (542).

9. The tower bolt loosening detection and tightening device according to claim 8, characterized in that: The torque adjustment structure (54) further comprises an adjustment nut (545), wherein the adjustment nut (545) is sleeved on the outer peripheral surface of the screw rod (544), the adjustment nut (545) is threadedly connected to the screw rod (544), and the adjustment nut (545) is arranged between the spring (541) and the fixing plate (542).

10. The tower bolt loosening detection and tightening device according to claim 9, characterized in that: The base rod (547) is arranged on the load-bearing tube (51), and the load-bearing tube (51) is provided with an annular notch (546).

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