Rocker arm floor derrick structure for power transmission tower

Abstract

The utility model discloses a rocker arm floor derrick structure for a power transmission tower, which relates to the technical field of rocker arm floor derrick structures and comprises a base, a first mounting rack is fixedly mounted at the top of the base, and a second mounting rack is fixedly mounted at the top of the first mounting rack. The hydraulic cylinder works to drive the lifting frame to move upwards, so that the lowermost standard knot moves into the second mounting frame, then one standard knot is placed into the first mounting frame, the standard knots are mounted through the screws, the hydraulic cylinder shrinks, and due to the arrangement of the chamfer, the rotating piece is turned upwards, the coil spring is compressed, and the standard knots are mounted. When the rotating piece is separated from the standard knot, the coil spring resets to drive the rotating piece to turn over and reset, the hydraulic cylinder extends again, the lifting frame drives the whole holding pole to move upwards, the operation is repeated, the holding pole is effectively built, rotation of the rotating piece does not need to be controlled manually, and the rotating efficiency of the holding pole is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a swing arm landing holding pole structure technical field, specifically a swing arm landing holding pole structure for power transmission tower. BACKGROUND

[0002] With the increasing of the extra-high voltage line of the state grid construction, the cross-sectional area of the wire is continuously increased, the steel pipe tower and the crossing tower used in the line are continuously improved, and most of them are located in the high mountains, the iron tower is about 98-137.3 meters, the root opening distance is continuously increased, the iron tower weight is large, the single piece volume is large, the quality is heavy, and the cross arm length is long. The large root opening, high shape, long cross arm and heavy tower material of the extra-high voltage iron tower bring a series of problems to the tower construction unit, the construction environment becomes more and more severe, the mountainous area, hilly area, plateau and unpopulated area operation, the holding pole transportation and erection are difficult, and the holding pole used for the construction of the tower is required to be higher.

[0003] The existing holding pole needs manual change of the position of the rotating part in the using process, thereby reducing the installation efficiency of the holding pole, and the swing arm is easy to collide with the holding pole and be damaged when folding, and the safety is reduced.

[0004] Based on this, a swing arm landing holding pole structure for power transmission tower is provided, which can eliminate the disadvantages of the existing device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a swing arm landing holding pole structure for power transmission tower to solve the problem of reducing the installation efficiency of the holding pole by manually changing the position of the rotating part in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A swing arm landing holding pole structure for power transmission tower, comprising a base, a first mounting frame is fixedly installed at the top of the base, a second mounting frame is fixedly installed at the top of the first mounting frame, a first holding pole is fixedly installed at the top of the base and inside the first mounting frame, and a second holding pole is rotatably installed at the top of the first holding pole.

[0008] A rotating mechanism is arranged between the second holding pole and the first holding pole, hydraulic cylinders are fixedly installed at the top of the base and outside both sides of the first mounting frame, and a lifting mechanism is fixedly installed between the top ends of the two hydraulic cylinders.

[0009] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0010] In an optional scheme: the lifting mechanism comprises a lifting frame, the lifting frame is fixedly installed at the top end of the two hydraulic cylinders, the lifting frame is slidingly installed between the second mounting frame, the top of the lifting frame is provided with four first mounting grooves and two second mounting grooves, four rotating members are rotatably installed in the four first mounting grooves, the bottom of the four rotating members is provided with a chamfer, and the second mounting groove is internally provided with a reset assembly.

[0011] In an optional scheme: the reset assembly comprises a connecting rod, the connecting rod is fixedly installed between the two rotating members and located in the second mounting groove, a coil spring is sleeved outside the connecting rod, one end of the coil spring is fixedly connected with the lifting frame, and the other end of the coil spring is fixedly connected with the rotating member.

[0012] In an optional scheme: the rotating mechanism comprises a slewing bearing, the slewing bearing is rotatably installed at the top of the first pole, the slewing bearing is fixedly installed between the second pole, one side of the first pole is fixedly provided with a motor, the output end of the motor is connected with a gear, the gear is in meshing connection with the slewing bearing, and the outer sides of the first pole are fixedly provided with fixed blocks, and the top of the fixed block is fixedly provided with a limiting rod.

[0013] In an optional scheme: the outer sides of the second pole are provided with buffer mechanisms.

[0014] In an optional scheme: the buffer mechanism comprises a protective shell, the protective shell is fixedly installed at the outer sides of the second pole, the buffer block is slidingly installed in the protective shell, the spring is fixedly installed at one side of the buffer block and located in the protective shell, and the soft pad is adhesively connected to the other side of the buffer block.

[0015] In an optional scheme: the outer sides of the second pole are fixedly provided with four mounting seats, and the rocker main bodies are rotatably installed between every two mounting seats through a pin shaft, and the safety rope is arranged between the second pole and the rocker main bodies.

[0016] In an optional scheme: the top end of the second pole is rotatably provided with a first roller, the top of the rocker main body is rotatably provided with a second roller, and the rope is arranged between the first roller and the second roller.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The utility model discloses a hydraulic cylinder work drives the lifting frame to move upwards to make the lowermost standard section move to the inside of second mounting frame, and then put a standard section into the inside of first mounting frame, install standard section through screw, and hydraulic cylinder contracts, because the chamfer is set, makes the rotator overturns upwards, and the coil spring compresses, when rotator separates with standard section, the coil spring resets and drives rotator to overturn reset, and hydraulic cylinder lengthens again, makes the lifting frame drive whole pole to move upwards, repeats the operation of above, effectively builds pole, does not need manual control rotator rotation, improves the pole rotation efficiency.

[0019] 2. The utility model discloses a buffer mechanism plays the role of buffering to the rocker arm main body folding, avoids the collision of rocker arm main body and second pole, improves the security. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model.

[0021] Figure 2 It is the hydraulic cylinder mounting structure schematic diagram of the utility model.

[0022] Figure 3 It is the lifting mechanism structure schematic diagram of the utility model.

[0023] Figure 4 It is the rotating mechanism structure schematic diagram of the utility model.

[0024] Figure 5 It is the buffer mechanism structure schematic diagram of the utility model.

[0025] Mark of drawing annotation: 1, base, 2, first mounting frame, 3, second mounting frame, 4, hydraulic cylinder, 5, lifting mechanism, 51, lifting frame, 52, first installation groove, 53, rotator, 54, chamfer, 55, second installation groove, 56, connecting rod, 57, coil spring, 6, first pole, 7, second pole, 8, rotating mechanism, 81, slewing bearing, 82, motor, 83, fixed block, 84, limit rod, 9, buffer mechanism, 91, protection shell, 92, buffer block, 93, spring, 94, soft pad, 10, mounting seat, 11, rocker arm main body, 12, first roller, 13, second roller, 14, rope, 15, safety rope. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following combines the drawing and example, and further detailedly explains the utility model.

[0027] In one embodiment, as Figures 1-5As shown, a rocker arm ground-mounted support structure for power transmission towers includes a base 1, a first mounting frame 2 fixedly installed on the top of the base 1, a second mounting frame 3 fixedly installed on the top of the first mounting frame 2, a first support 6 fixedly installed on the top of the base 1 and inside the first mounting frame 2, and a second support 7 rotatably installed on the top of the first support 6.

[0028] A rotating mechanism 8 is provided between the second support rod 7 and the first support rod 6. Hydraulic cylinders 4 are fixedly installed on the top of the base 1 and on both sides outside the first mounting frame 2. A lifting mechanism 5 is fixedly installed between the top ends of the two hydraulic cylinders 4.

[0029] In this embodiment, the first support rod 6, the second support rod 7, and the rocker arm body 11 are all fixedly installed by screws using short standard sections. Through the cooperation of the hydraulic cylinder 4 and the lifting mechanism 5, the standard sections can be easily spliced ​​into the second support rod 7 and the first support rod 6. The rotation mechanism 8 can drive the second support rod 7 to rotate, thereby changing the position of the two rocker arm bodies 11, which can be easily adjusted according to needs. At the same time, the rotation of the rocker arm body 11 is limited to prevent the wire from getting tangled.

[0030] In one embodiment, such as Figure 2 and Figure 3 As shown, the lifting mechanism 5 includes a lifting frame 51, which is fixedly installed on the top of two hydraulic cylinders 4. The lifting frame 51 and the second mounting frame 3 are slidably installed. The top of the lifting frame 51 has four first mounting slots 52 and two second mounting slots 55. Rotating components 53 are rotatably installed inside the four first mounting slots 52. The bottom of the four rotating components 53 has a chamfer 54. A reset assembly is provided inside the second mounting slot 55. The reset assembly includes a connecting rod 56, which is fixedly installed between the two rotating components 53 and located inside the second mounting slot 55. A coil spring is sleeved on the outside of the connecting rod 56. 57. One end of the coil spring 57 is fixedly connected to the lifting frame 51, and the other end of the coil spring 57 is fixedly connected to the rotating component 53. The lifting frame 51 is moved upward by the operation of the hydraulic cylinder 4, so that the lowest standard section moves into the interior of the second mounting frame 3. Then, a standard section is placed into the interior of the first mounting frame 2 and installed with screws. The hydraulic cylinder 4 retracts, and due to the setting of the chamfer 54, the rotating component 53 flips upward, and the coil spring 57 is compressed. When the rotating component 53 separates from the standard section, the coil spring 57 resets, causing the rotating component 53 to flip and reset. The hydraulic cylinder 4 then extends, so that the lifting frame 51 moves the entire pole upward. The above operation is repeated to effectively erect the pole.

[0031] In one embodiment, such as Figure 1 and Figure 4As shown, the rotating mechanism 8 comprises a slewing bearing 81, the slewing bearing 81 is rotatably installed at the top of the first derrick 6, the slewing bearing 81 is fixedly installed between the second derrick 7, one side of the first derrick 6 is fixedly installed with a motor 82, and the output end of the motor 82 is connected with a gear, the gear is engagedly connected with the slewing bearing 81, the outer sides of the first derrick 6 are fixedly installed with fixed blocks 83, and the top of the fixed block 83 is fixedly installed with a limiting rod 84, when it is needed to change the angle of the rocker body 11, the motor 82 works to drive the slewing bearing 81 to rotate, the slewing bearing 81 drives the second derrick 7 to rotate, thereby changing the angle of the rocker body 11, and the cooperation of the fixed block 83 and the limiting rod 84 plays a limiting role, so that the wire is prevented from being wound.

[0032] In one embodiment, as shown in Figure 1 The outer sides of the second derrick 7 are provided with buffer mechanisms 9, the buffer mechanisms 9 play a buffering role in folding the rocker body 11, the rocker body 11 is prevented from colliding with the second derrick 7, and the safety is improved.

[0033] In one embodiment, as shown in Figure 5 The buffer mechanism 9 comprises a protective shell 91, the protective shell 91 is fixedly installed at the outer sides of the second derrick 7, a buffer block 92 is slidably installed in the protective shell 91, springs 93 are fixedly installed at one side of the buffer block 92 and equidistantly in the protective shell 91, soft pads 94 are adhesively connected to the other side of the buffer block 92, the rocker body 11 first contacts the soft pad 94 when being folded, the buffer block 92 moves to the inside of the protective shell 91, the springs 93 are compressed to play a buffering role, the rocker body 11 is prevented from colliding with the second derrick 7, and the safety is improved.

[0034] In one embodiment, as shown in Figure 1 And Figure 4 The outer sides of the second derrick 7 are fixedly installed with four mounting seats 10, every two mounting seats 10 are rotatably installed with a rocker body 11 through a pin shaft, a safety rope 15 is arranged between the second derrick 7 and the rocker body 11, a first roller 12 is rotatably installed at the top end of the second derrick 7, a second roller 13 is rotatably installed at the top of the rocker body 11, and a rope 14 is arranged between the second roller 13 and the first roller 12, the safety rope 15 plays a limiting role in the rotation of the rocker body 11, the rocker body 11 is prevented from colliding due to uncontrolled downward rotation, and the angle adjustment of the rocker body 11 is a mature technical means, which will not be described in detail here.

[0035] The above embodiment discloses a swing arm landing pole structure for a power transmission tower, wherein the first pole 6, the second pole 7 and the swing arm body 11 are fixedly installed by short standard sections through screws. First, the first mounting frame 2 is installed on the top of the base 1, and then the second mounting frame 3 is installed on the top of the first mounting frame 2. The hydraulic cylinder 4 is operated to drive the lifting frame 51 to move upward, so that the lowermost standard section moves to the inside of the second mounting frame 3. Then, a standard section is placed into the first mounting frame 2, and the standard section is installed through screws. The hydraulic cylinder 4 is retracted, and the rotary part 53 is turned upward due to the setting of the chamfer 54. The coil spring 57 is compressed. When the rotary part 53 is separated from the standard section, the coil spring 57 is reset to drive the rotary part 53 to turn and reset. The hydraulic cylinder 4 is elongated, so that the lifting frame 51 drives the whole pole to move upward. The above operation is repeated to effectively build the pole.

[0036] When the angle of the swing arm body 11 needs to be changed, the motor 82 is operated to drive the slewing bearing 81 to rotate, and the slewing bearing 81 drives the second pole 7 to rotate, thereby changing the angle of the swing arm body 11. The fixed block 83 and the limiting rod 84 are matched to limit the rotation, so as to avoid the wire from being wound.

[0037] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rocker arm floor-to-ceiling holding pole structure for a power transmission tower, comprising a base (1), a first mounting frame (2) fixedly installed on the top of the base (1), a second mounting frame (3) fixedly installed on the top of the first mounting frame (2), a first holding pole (6) fixedly installed on the top of the base (1) and inside the first mounting frame (2), and a second holding pole (7) rotatably installed on the top of the first holding pole (6). characterized in that A rotating mechanism (8) is arranged between the second holding pole (7) and the first holding pole (6), hydraulic cylinders (4) are fixedly installed on the top of the base (1) and outside both sides of the first mounting frame (2), and a lifting mechanism (5) is fixedly installed between the top ends of the two hydraulic cylinders (4).

2. A swing-away guyed tower structure according to claim 1, wherein, The lifting mechanism (5) comprises a lifting frame (51) fixedly installed on the top ends of the two hydraulic cylinders (4), the lifting frame (51) is slidingly installed between the second mounting frame (3), four first mounting grooves (52) and two second mounting grooves (55) are formed in the top of the lifting frame (51), rotating pieces (53) are rotatably installed in the interiors of the four first mounting grooves (52), chamfers (54) are formed in the bottoms of the four rotating pieces (53), and reset assemblies are arranged in the interiors of the second mounting grooves (55).

3. A swing-away guyed tower structure according to claim 2, wherein, The reset assembly comprises a connecting rod (56) fixedly installed between the two rotating pieces (53) and located in the interior of the second mounting groove (55), a coil spring (57) is sleeved on the exterior of the connecting rod (56), one end of the coil spring (57) is fixedly connected with the lifting frame (51), and the other end of the coil spring (57) is fixedly connected with the rotating piece (53).

4. The swing-away guyed tower structure of claim 1, wherein: The rotating mechanism (8) comprises a slewing bearing (81) rotatably installed on the top of the first holding pole (6), the slewing bearing (81) is fixedly installed between the second holding pole (7), a motor (82) is fixedly installed on one side of the first holding pole (6), a gear is connected with the output end of the motor (82) and engaged with the slewing bearing (81), fixed blocks (83) are fixedly installed on both sides of the exterior of the first holding pole (6), and limit rods (84) are fixedly installed on the top of the fixed blocks (83).

5. The swing-away guyed tower structure of claim 1, wherein: Buffer mechanisms (9) are arranged on both sides of the exterior of the second holding pole (7).

6. A swing-away guyed tower structure according to claim 5, wherein: The buffer mechanism (9) comprises a protective shell (91) fixedly installed on both sides of the exterior of the second holding pole (7), a buffer block (92) slidingly installed in the interior of the protective shell (91), springs (93) fixedly installed on one side of the buffer block (92) and equidistant from the interior of the protective shell (91), and soft pads (94) adhesively connected to the other side of the buffer block (92).

7. The swing-away guyed tower structure of claim 1, wherein: Four mounting seats (10) are fixedly installed on both sides of the exterior of the second holding pole (7), rocker arm bodies (11) are rotatably installed between every two mounting seats (10) through a pin shaft, and safety ropes (15) are arranged between the second holding pole (7) and the rocker arm bodies (11).

8. A swing-away guyed tower structure according to claim 7, wherein: The top end of the second pole holder (7) is rotatably installed with a first roller (12), the top of the rocker arm body (11) is rotatably installed with a second roller (13), and a rope (14) is arranged between the first roller (12) and the second roller (13).

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