Hanging and fixing device for cross arm angle iron of line tower
By introducing a slot, anti-loosening component, and spring structure into the suspension and fixing device for the crossarm angle iron of the line tower, the problem of insufficient clamping force caused by bolt loosening is solved, and a stable fixation of the crossarm angle iron is achieved, reducing the risk of loosening and falling off.
Patent Information
- Application Number
- CN202423302866.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
When using existing crossarm angle iron suspension and fixing devices for line towers, the bolts may loosen due to vibration, resulting in insufficient clamping force and posing a safety hazard of the crossarm angle iron falling off.
A fixing device is designed, which includes an L-shaped base, a threaded rod, a slot, an anti-loosening component, and a spring. The slot and the tapered plate restrict the rotation of the threaded rod, the spring stores energy to compress the crossarm angle iron, increasing the clamping force, and the anti-loosening component reduces the probability of loosening.
It effectively fixes crossarm angle irons of different sizes, reduces the probability of loosening due to vibration or impact, improves safety, and prevents crossarm angle irons from falling off.
Smart Images

Figure CN223693566U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fixed device technical field, concretely is a line route tower cross arm angle iron suspension fixed device. BACKGROUND
[0002] In the process of overhead transmission line installation and maintenance, many heavy objects such as insulators, wires and work tools need to be supported by the cross arm of the tower, and the traditional work method is to use the rope sleeve method, that is, to use an insulating rope to lift the heavy object. The main defect of this method is that the cross arm is made of angle iron, which is thin and rough in surface. When the insulating rope is repeatedly used and severely worn, or when the wire lifting operation is performed, the weight of the suspended object is large. In addition, when the suspended heavy object is repeatedly swung, the insulating rope is easily cut by the cross arm angle iron, which poses a safety hazard. Once the insulating rope is cut, a safety accident will occur, with very serious consequences.
[0003] The patent with the publication number CN218597880U discloses a line route tower cross arm angle iron suspension fixed device, which includes a cross arm angle iron main body and a bottom plate. The bottom plate is attached to the top of the cross arm angle iron main body. The top and right side of the bottom plate are respectively fixedly connected with two first mounting racks and two second mounting racks. A first mounting plate is fixedly connected between the two first mounting racks, and a second mounting plate is fixedly connected between the two second mounting racks. A plurality of second mounting holes and a plurality of first mounting holes are respectively formed in the first mounting plate and the second mounting plate. A fixed plate is fixedly connected to the bottom left side of the bottom plate. A baffle is fixedly connected to the bottom of the two second mounting racks. The above-mentioned technology is convenient for construction personnel to use during the installation and maintenance of overhead transmission lines. It can adjust the tightness according to the different thicknesses of the cross arm angle iron, has a wide range of applications, and is more accurate in adjusting the tightness, making the maintenance process safer. It is also convenient for carrying, installation and disassembly.
[0004] However, the above-mentioned technology still has the following problems: when the above-mentioned technology is used, the bolts may become loose due to vibration and other reasons after being tightened, resulting in insufficient clamping force on the cross arm angle iron, which may cause the cross arm angle iron to fall from the suspension fixed device and cause an accident. UTILITY MODEL CONTENTS
[0005] In view of the shortcomings of the prior art, the utility model provides a line route tower cross arm angle iron suspension fixed device, which can fix cross arm angle irons of different sizes and reduce the probability of loosening and falling.
[0006] The utility model provides following technical scheme: a line tower cross arm angle iron suspension fixing device, including L type base, L type base is fixedly connected with L type support plate on, the inner wall of L type base is provided with groove no. 1 and groove no. 2, is threadedly connected with threaded rod no. 1 on groove no. 1, threaded rod no. 1 is fixedly connected with disc no. 1, is threadedly connected with threaded rod no. 2 on groove no. 2, threaded rod no. 2 is fixedly connected with disc no. 2, fixedly connected with fixed mechanism no. 1 in groove no. 1, fixedly connected with fixed mechanism no. 2 in groove no. 2, the lateral side of disc no. 1 and disc no. 2 is provided with a plurality of circumferential array's clamping slot, the upper surface and the lateral surface of L type base are all rotatably connected with the pivot, the pivot is fixedly connected with the anti-loosening assembly on two, L type support plate places cross arm angle iron body.
[0007] Further, the fixed mechanism one includes a plurality of telescopic rods one fixedly connected on the groove one, the output end of the telescopic rod one is fixedly connected with the extrusion plate one, the inner wall of the groove one is fixedly connected with a plurality of springs one, the spring one is sleeved on the telescopic rod one, the surface of the extrusion plate one abuts against the front end of the threaded rod one.
[0008] Further, the fixed mechanism two includes a plurality of telescopic rods two fixedly connected on the groove two, the output end of the telescopic rod two is fixedly connected with the extrusion plate two, the inner wall of the groove two is fixedly connected with a plurality of springs two, the spring two is sleeved on the telescopic rod two, the surface of the extrusion plate two abuts against the surface of the threaded rod two.
[0009] Further, the surface of the extrusion plate one and the extrusion plate two is fixedly connected with the anti-skid wear pad.
[0010] Further, the anti-loosening assembly includes an outer rod fixedly connected on the pivot, the outer rod is provided with a sliding cavity, the inner rod is slidably connected in the sliding cavity, the output end of the inner rod is fixedly connected with the conical plate, the bottom of the outer rod is threadedly connected with the long rod bolt.
[0011] Further, the cross section of the clamping slot is a right triangle, and the right angle side is collinear with the radius of the disc one.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The line tower cross arm angle iron suspension fixing device can fix cross arm angle irons of different sizes, and can also apply counteracting forces to the threaded rod one and the threaded rod two, thereby reducing the probability of loosening of the threaded rod one and the threaded rod two caused by impact or vibration, and reducing the probability of falling of the cross arm angle iron caused by vibration. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0015] Figure 2 It is the overall cross section three-dimensional structure schematic view of the utility model;
[0016] Figure 3 It is the cross section three-dimensional structure schematic view of the utility model fixed loosening assembly;
[0017] Figure 4 It is the enlarged view of 3A.
[0018] In the drawing: 1, L-shaped base; 2, L-shaped support plate; 3, groove one; 4, groove two; 5, threaded rod one; 6, disc one; 7, threaded rod two; 8, disc two; 9, clamping groove; 10, rotating shaft; 11, telescopic rod one; 12, extrusion plate one; 13, spring one; 14, telescopic rod two; 15, extrusion plate two; 16, spring two; 17, anti-skid wear-resistant pad; 18, outer rod; 19, sliding cavity; 20, inner rod; 21, conical plate; 22, long rod bolt; 23, cross arm angle iron body. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Please refer to Figures 1 to 4 A line tower cross arm angle iron suspension fixing device, including L-shaped base 1, L-shaped support plate 2 is fixedly connected on the L-shaped base 1, the inner wall of L-shaped base 1 is provided with groove one 3 and groove two 4, threaded rod one 5 is threadedly connected on groove one 3, disc one 6 is fixedly connected on threaded rod one 5, threaded rod two 7 is threadedly connected on groove two 4, disc two 8 is fixedly connected on threaded rod two 7, fixed mechanism one is fixedly connected in groove one 3, fixed mechanism two is fixedly connected in groove two 4, a plurality of circumferential array clamping grooves 9 are formed on the circumferential side of disc one 6 and disc two 8, the upper surface and the side surface of L-shaped base 1 are rotatably connected with rotating shaft 10, the anti-loosening assembly is fixedly connected on the two rotating shafts 10, and the cross arm angle iron body 23 is placed on the L-shaped support plate 2.
[0021] The line tower cross arm angle iron suspension fixing device in the utility model is similar to the prior art, and the patent with the publication number CN218597880U discloses a line tower cross arm angle iron suspension fixing device. The main improvement of the utility model is that the clamping groove 9 and the conical plate 21 can limit threaded rod one 5 and threaded rod two 7, reduce the movement of threaded rod one 5 and threaded rod two 7 under the condition of vibration, and reduce the extrusion force on the cross arm angle iron body 23. Figures 1 to 4As shown, the line tower cross arm angle iron suspension fixing device in the utility model, when using, one end of the cross arm angle iron body 23 is placed on the L-shaped support plate 2, the disc one 6 is rotated, the threaded rod one 5 is rotated, the front end of the threaded rod one 5 exerts a pushing force on the extrusion plate one 12, so that the telescopic rod one 11 is lengthened, the spring one 13 is stretched and stores energy, until the extrusion plate one 12 is attached to one side surface of the cross arm angle iron body 23 and extrudes it, and then the disc two 8 is rotated, the threaded rod two 7 is rotated, the front end of the threaded rod two 7 exerts a pushing force on the extrusion plate two 15, so that the telescopic rod two 14 is lengthened, the spring two 16 is lengthened and stores energy, until the extrusion plate two 15 is attached to the other side surface of the cross arm angle iron body 23 and extrudes it, after the cross arm angle iron body 23 is fixed, the position of the clamping groove 9 is not fixed, the angle of the anti-loosening assembly can be adjusted through the rotating shaft 10, the tapered plate 21 is pulled outwards, the inner rod 20 moves outwards along the sliding cavity 19, until the front end of the tapered plate 21 abuts against the inner wall of the clamping groove 9, the long rod bolt 22 is rotated, so that the front end of the long rod bolt 22 abuts against the inner rod 20, so that the tapered plate 21 abuts in the clamping groove 9, to limit the outward rotation of the disc one 6 and the disc two 8 when shaking again, so as to reduce the probability of the cross arm angle iron body 23 being clamped loosely, and when the cross arm angle iron body 23 collides with the tower, the spring one 13 and the spring two 16 can also reduce the vibration.
[0022] As Figure 2 shown, the fixing mechanism one includes a plurality of telescopic rods one 11 fixedly connected on the groove one 3, the output end of the telescopic rod one 11 is fixedly connected with the extrusion plate one 12, a plurality of springs one 13 are fixedly connected on the inner wall of the groove one 3, the spring one 13 is sleeved on the telescopic rod one 11, and the surface of the extrusion plate one 12 abuts against the front end of the threaded rod one 5.
[0023] Specifically, the disc one 6 is rotated, so that the threaded rod one 5 is rotated, the front end of the threaded rod one 5 exerts a pushing force on the extrusion plate one 12, so that the telescopic rod one 11 is lengthened, the spring one 13 is stretched and stores energy, until the extrusion plate one 12 is attached to one side surface of the cross arm angle iron body 23 and extrudes it.
[0024] As Figure 2 shown, the fixing mechanism two includes a plurality of telescopic rods two 14 fixedly connected on the groove two 4, the output end of the telescopic rod two 14 is fixedly connected with the extrusion plate two 15, a plurality of springs two 16 are fixedly connected on the inner wall of the groove two 4, the spring two 16 is sleeved on the telescopic rod two 14, and the surface of the extrusion plate two 15 abuts against the surface of the threaded rod two 7.
[0025] Specifically, the rotating disc two 8 is rotated, so that the threaded rod two 7 is rotated, the front end of the threaded rod two 7 exerts a pushing force on the extrusion plate two 15, so that the telescopic rod two 14 is lengthened, the spring two 16 is lengthened and stores energy, until the extrusion plate two 15 is attached to the other side surface of the cross arm angle iron body 23 and extrudes it.
[0026] As shown in Figure 1 The surface of the extrusion plate one 12 and the surface of the extrusion plate two 15 are fixedly connected with the anti-skid wear-resistant pads 17.
[0027] Specifically, the anti-skid wear-resistant pads 17 can increase the friction between the surface of the extrusion plate one 12 and the surface of the extrusion plate two 15 and the surface of the cross arm angle iron body 23, further strengthen the extrusion of the cross arm angle iron body 23, and make it more difficult to fall off.
[0028] As shown in Figure 4 The anti-loose assembly comprises an outer rod 18 fixedly connected to the rotating shaft 10, a sliding cavity 19 is formed in the outer rod 18, an inner rod 20 is slidably connected in the sliding cavity 19, a tapered plate 21 is fixedly connected to the output end of the inner rod 20, and a long rod bolt 22 is threadedly connected to the bottom of the outer rod 18.
[0029] Specifically, after the cross arm angle iron body 23 is fixed, the tapered plate 21 is pulled outward, the inner rod 20 moves outward along the sliding cavity 19, until the front end of the tapered plate 21 abuts against the inner wall of the clamping groove 9, and then the long rod bolt 22 is rotated, so that the front end of the long rod bolt 22 abuts against the inner rod 20, and thus the tapered plate 21 abuts in the clamping groove 9, so as to limit the outward rotation of the disc one 6 and the disc two 8 when they vibrate again, thereby reducing the probability of the cross arm angle iron body 23 being clamped loosely.
[0030] As shown in Figure 4 The cross section of the clamping groove 9 is a right triangle, and the right angle side is collinear with the radius of the disc one 6.
[0031] Specifically, the front end of the tapered plate 21 abuts against the right angle side of the clamping groove 9, and exerts a pushing force on the right angle side, so as to exert a force in the opposite direction on the screwed threaded rod one 5 and the threaded rod two 7.
[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A kind of line pole cross arm angle iron suspension fixing device, including L-shaped base (1), it is characterized in that: The L-shaped base (1) is fixedly connected with an L-shaped support plate (2), and a groove one (3) and a groove two (4) are formed in the inner wall of the L-shaped base (1), a threaded rod one (5) is threadedly connected to the groove one (3), a disc one (6) is fixedly connected to the threaded rod one (5), a threaded rod two (7) is threadedly connected to the groove two (4), a disc two (8) is fixedly connected to the threaded rod two (7), a fixing mechanism one is fixedly connected in the groove one (3), a fixing mechanism two is fixedly connected in the groove two (4), a plurality of circumferentially arranged clamping grooves (9) are formed in the circumferential side of the disc one (6) and the disc two (8), the upper surface and the side surface of the L-shaped base (1) are rotatably connected with a rotating shaft (10), the rotating shaft (10) is fixedly connected with an anti-loosening assembly, and the L-shaped support plate (2) is placed with a cross arm angle iron body (23).
2. The angle iron suspension and fixation device for cross arm of line tower according to claim 1, characterized in that: The fixing mechanism one comprises a plurality of telescopic rods one (11) fixedly connected to the groove one (3), the output end of the telescopic rod one (11) is fixedly connected with a pressing plate one (12), a plurality of spring ones (13) are fixedly connected to the inner wall of the groove one (3), the spring one (13) is sleeved on the telescopic rod one (11), and the surface of the pressing plate one (12) is abutted against the front end of the threaded rod one (5).
3. The angle iron suspension and fixation device for cross arm of line tower according to claim 1, characterized in that: The fixing mechanism two comprises a plurality of telescopic rods two (14) fixedly connected to the groove two (4), the output end of the telescopic rod two (14) is fixedly connected with a pressing plate two (15), a plurality of spring twos (16) are fixedly connected to the inner wall of the groove two (4), the spring two (16) is sleeved on the telescopic rod two (14), and the surface of the pressing plate two (15) is abutted against the surface of the threaded rod two (7).
4. The angle iron suspension and fixation device for cross arm of line tower according to claim 2, characterized in that: The surface of the pressing plate one (12) and the pressing plate two (15) is fixedly connected with an anti-skid wear-resistant pad (17).
5. The angle iron suspension and fixation device for cross arm of line tower according to claim 1, characterized in that: The anti-loosening assembly comprises an outer rod (18) fixedly connected to the rotating shaft (10), a sliding cavity (19) is formed in the outer rod (18), an inner rod (20) is slidably connected in the sliding cavity (19), the output end of the inner rod (20) is fixedly connected with a conical plate (21), and the bottom of the outer rod (18) is threadedly connected with a long rod bolt (22).
6. A crossarm angle iron suspension and mounting device for a utility pole according to claim 1 wherein: The cross section of the clamping groove (9) is a right triangle, and the right angle side is collinear with the radius of the disc one (6).
Citation Information
Patent Citations
Hanging and fixing device for cross arm angle iron of line tower
CN218597880U