Power construction paying-off tackle

Abstract

The utility model discloses a power construction paying-off tackle, which comprises an outer frame, a rotating ring is rotatably connected in the outer frame, a convex ring is arranged on the front surface of the rotating ring, an adjusting piece for controlling the rotating resistance of the rotating ring is arranged in the outer frame, and the opposite back surface of the adjusting piece extends to the outer side of the outer frame. According to the pay-off device, when the pay-off wheel is subjected to pulling deflection force which is larger than the resistance applied to the rotating ring by the adjusting piece, the whole rotating ring can be driven to rotate, so that the deflection force is released, the pay-off wheel rotates to an angle at which the stress is balanced, meanwhile, unstable swing is avoided, and stable pay-off is guaranteed; and the force of the resistance applied to the rotating ring by the adjusting piece can be flexibly adjusted according to the requirements of different cables, so that the device has the advantages that the device has a more flexible deflection force self-adaptive adjustment function, the structure is more flexible, the deflection force is adjusted while the pay-off stability is ensured, the adaptability is better, and the operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of electric power construction, and more specifically, to a wire-laying pulley for electric power construction. Background Art

[0002] Wire-laying pulleys are widely used in the power industry to extend and change the direction of cables when laying pipelines. They can improve work efficiency, reduce pipeline damage, and improve work efficiency. They are one of the key operating tools for tensioning and wire-laying operations.

[0003] The conventional wire-laying pulley comprises a pulley, which is arranged on a bracket through a pin shaft. When in use, the wire-laying pulley is first suspended in the air or placed on the ground, and then the wire is placed on the pulley, and then the free end of the wire is pulled and force is applied forward.

[0004] During the line-releasing process, due to the different terrain and front line angles, the overall structure of the pulley sometimes produces a deflection force. The pulley is generally fixed on the frame and is difficult to rotate at an angle, which can easily make line-releasing difficult, increase friction, increase the difficulty of line-releasing, and even cause wear on the cable. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a wire-laying pulley for electric power construction.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A wire-laying pulley for electric power construction comprises an outer frame, a rotating ring is rotatably connected to the inside of the outer frame, a raised convex ring is provided on the front of the rotating ring, an adjusting member for controlling the rotational resistance of the rotating ring is installed inside the outer frame, the rear faces of the adjusting member extend along the outside of the outer frame, a fixed frame is fixedly connected to the inside of the rotating ring, and a wire-laying wheel is rotatably connected to the inside of the fixed frame.

[0008] As a further description of the above technical solution: the adjusting part includes a movable kit, a friction ball, a transmission rod, a gear plate and a gear ring, the movable kit is installed on the back of the outer frame, the interior of the gear ring is sleeved and fixedly connected to the outer side of the convex ring, one end of the transmission rod passes through the outer frame and is fixedly connected to the gear plate on the front, the outer side of the gear plate is meshed with the outer side of the gear ring, one end of the back side of the transmission rod is fixedly connected to the friction ball, and the outer side of the friction ball is movably matched with the interior of the movable kit.

[0009] As a further description of the above technical solution: the movable kit includes an external threaded sleeve and an extrusion sleeve, the external threaded sleeve is arranged on the outside of the friction ball and the end of the external threaded sleeve is fixedly connected to the back of the outer frame, the internal thread of the extrusion sleeve is connected to the outside of the external threaded sleeve, and the outside of the friction ball is in friction contact with the inner side of the extrusion sleeve.

[0010] As a further description of the above technical solution: a friction layer is fixedly connected to the outer surface of the friction ball, and the outer side of the friction layer is in friction contact with the inner surface of the extrusion sleeve.

[0011] As a further description of the above technical solution: positioning blocks are fixedly connected to both sides of the outer frame, and pin holes are opened on the positioning blocks.

[0012] As a further description of the above technical solution: a wave block is fixedly connected to the outer side of the extrusion sleeve.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] The adjusting member of this solution limits the resistance of the rotating ring, so that the device has a more flexible self-adaptive adjustment function of the deflection force, the structure is more flexible, the deflection force can be adjusted while ensuring the stability of the line release, and it has the advantages of better adaptability and more convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the top cross-sectional structure of the utility model;

[0018] Figure 4 for Figure 3 Enlarged schematic diagram of the structure of part A in the middle.

[0019] Description of the numbers in the figure:

[0020] 1. Outer frame; 2. Rotating ring; 3. Convex ring; 4. Adjusting part; 41. Movable kit; 411. External threaded sleeve; 412. Extrusion sleeve; 413. Fluctuating block; 42. Friction ball; 421. Friction layer; 43. Transmission rod; 44. Gear plate; 45. Gear ring; 5. Fixed frame; 6. Pay-off wheel; 7. Positioning block; 71. Pin hole. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0022] See also Figures 1 to 4In the utility model, a wire-laying pulley for electric power construction comprises an outer frame 1, a rotating ring 2 is rotatably connected inside the outer frame 1, a raised convex ring 3 is arranged on the front of the rotating ring 2, an adjusting member 4 for controlling the rotation resistance of the rotating ring 2 is installed inside the outer frame 1, the back side of the adjusting member 4 is along the outside of the outer frame 1, a fixing frame 5 is fixedly connected inside the rotating ring 2, and a wire-laying wheel 6 is rotatably connected inside the fixing frame 5.

[0023] In the utility model, the outer frame 1 is used as the main body support. When in use, the outer frame 1 is placed and fixed on the ground, and then the cable passes through the pay-off wheel 6 inside the rotating ring 2 to pay out the line, and then the adjusting member 4 is rotated to apply resistance to the rotating ring 2, so that it remains stable on the fixed frame 5, and at the same time, when the pay-off wheel 6 is subjected to a pulling deflection force that is greater than the resistance applied by the adjusting member 4 to the rotating ring 2, the entire rotating ring 2 will be driven to rotate, so that the deflection force is released and the pay-off wheel 6 is rotated to an angle where the force is balanced, and at the same time, unstable swing will not occur to ensure stable pay-off, and the adjustment member 4 can be adjusted to ensure stable pay-off. The force of resistance applied by the node 4 to the rotating ring 2 can be flexibly adjusted according to the needs of different cables, thereby realizing a more flexible self-adaptive adjustment function of the deflection force of the device, a more flexible structure, and the deflection force can be adjusted while ensuring the stability of the line release, with the advantages of better adaptability and more convenient operation. It solves the problem in the prior art that due to the differences in terrain and front line angles, the overall structure of the pulley sometimes generates a deflection force, and the pulley is generally fixed on the frame, making it difficult to rotate the angle, which easily causes difficulty in line release, increases friction, increases the difficulty of line release, and even causes wear on the cable.

[0024] See also Figure 1 and Figure 4 , wherein: the adjusting member 4 includes a movable kit 41, a friction ball 42, a transmission rod 43, a gear plate 44 and a gear ring 45, the movable kit 41 is mounted on the back of the outer frame 1, the inner part of the gear ring 45 is sleeved and fixedly connected to the outer side of the convex ring 3, one end of the transmission rod 43 passes through the outer frame 1 and is fixedly connected to the gear plate 44 at the front, the outer side of the gear plate 44 is meshed with the outer side of the gear ring 45, one end of the back side of the transmission rod 43 is fixedly connected to the friction ball 42, and the outer side of the friction ball 42 is movably matched with the inner part of the movable kit 41.

[0025] In the utility model, the pressure on the friction ball 42 is changed by rotating the movable kit 41, so that the rotation resistance of the friction ball 42 is changed, and then the rotation resistance of the gear plate 44 is changed by the transmission rod 43 to achieve resistance limitation on the rotation of the gear ring 45, so as to ensure the stability of the rotating ring 2, and at the same time, when it receives a large deflection force, it can realize rotation adjustment.

[0026] See also Figure 1 , Figure 2 and Figure 4, wherein: the movable kit 41 includes an external threaded sleeve 411 and an extrusion sleeve 412, the external threaded sleeve 411 is sleeved on the outside of the friction ball 42 and the end is fixedly connected to the back of the outer frame 1, the internal thread of the extrusion sleeve 412 is connected to the outside of the external threaded sleeve 411, and the outside of the friction ball 42 is in friction contact with the inside of the extrusion sleeve 412.

[0027] In the present invention, the pressure of the extrusion sleeve 412 on the friction ball 42 is changed by rotating the extrusion sleeve 412 to move linearly along the external thread sleeve 411, thereby adjusting the resistance.

[0028] See also Figure 4 , wherein: a friction layer 421 is fixedly connected to the outer surface of the friction ball 42 , and the outer side of the friction layer 421 is in friction contact with the inner surface of the extrusion sleeve 412 .

[0029] In the present invention, the friction resistance of the friction ball 42 is increased by the friction layer 421 to ensure a good limiting effect.

[0030] See also Figure 1 and Figure 3 , wherein: positioning blocks 7 are fixedly connected to both sides of the outer frame 1, and pin holes 71 are opened on the positioning blocks 7.

[0031] In the utility model, the pin hole 71 on the positioning block 7 facilitates the positioning and fixing of the outer frame 1 on the ground.

[0032] See also Figure 3 , wherein: a wave block 413 is fixedly connected to the outer side of the extrusion sleeve 412 .

[0033] In the utility model, the extrusion sleeve 412 is conveniently rotated by the wave block 413, so that the operation is convenient.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A wire-laying pulley for electric power construction, comprising an outer frame (1), characterized in that: The outer frame (1) is internally rotatably connected to a rotating ring (2), the front face of the rotating ring (2) is provided with a raised convex ring (3), the inner part of the outer frame (1) is provided with an adjusting member (4) for controlling the rotational resistance of the rotating ring (2), the rear face of the adjusting member (4) extends to the outer side of the outer frame (1), the inner part of the rotating ring (2) is fixedly connected to a fixing frame (5), and the inner part of the fixing frame (5) is rotatably connected to a pay-off wheel (6).

2. The electric power construction laying-out pulley according to claim 1, characterized in that: The adjusting member (4) comprises a movable kit (41), a friction ball (42), a transmission rod (43), a gear plate (44) and a gear ring (45); the movable kit (41) is mounted on the back of the outer frame (1); the interior of the gear ring (45) is sleeved and fixedly connected to the outer side of the convex ring (3); one end of the transmission rod (43) passes through the outer frame (1) and is fixedly connected to the gear plate (44) at the front; the outer side of the gear plate (44) is meshed with the outer side of the gear ring (45); one end of the rear side of the transmission rod (43) is fixedly connected to the friction ball (42); the outer side of the friction ball (42) is movably matched with the interior of the movable kit (41).

3. The electric power construction laying-out pulley according to claim 2, characterized in that: The movable set (41) comprises an external threaded sleeve (411) and an extrusion sleeve (412); the external threaded sleeve (411) is sleeved on the outside of the friction ball (42) and the end portion is fixedly connected to the back side of the outer frame (1); the internal thread of the extrusion sleeve (412) is connected to the outside of the external threaded sleeve (411); the outside of the friction ball (42) is in frictional contact with the inside of the extrusion sleeve (412).

4. The electric power construction laying-out pulley according to claim 2, characterized in that: The outer surface of the friction ball (42) is fixedly connected with a friction layer (421), and the outer side of the friction layer (421) is in frictional contact with the inner surface of the extrusion sleeve (412).

5. The electric power construction laying-out pulley according to claim 1, characterized in that: Positioning blocks (7) are fixedly connected to both sides of the outer frame (1), and pin holes (71) are provided on the positioning blocks (7).

6. The electric power construction laying-out pulley according to claim 3, characterized in that: A wave block (413) is fixedly connected to the outer side of the extrusion sleeve (412).

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