Transition traction plate for one-traction-five tension wire laying construction

Abstract

The utility model discloses a transition traction plate for one-traction-five tension wire laying construction, and relates to the field of wire traction plates. A single-split, double-split, four-split, six-split or eight-split conductor is adopted for each phase of a power transmission line conductor, one-traction-one, one-traction-two or one-traction-four is usually adopted during construction and spreading, and for a 10-split conductor, the spreading construction of a 10-split conductor cannot be efficiently completed by an existing traction plate. The device comprises five front guide plates, five front spacing seats, five rear guide plates, five rear spacing seats and a hinge shaft, the front guide plates and the five rear guide plates are arranged in the left-right direction at equal intervals, the front spacing seats are arranged between the adjacent front guide plates, the rear spacing seats are arranged between the adjacent rear guide plates, and the front ends of the front guide plates and the rear ends of the rear guide plates are provided with connecting holes used for being connected with rotary connectors. The front guide plate is connected with a traction rope, the five rear guide plates can be connected with five rotary connectors, and traction and unfolding of ten split conductors can be efficiently achieved through two times of traction.

Description

Technical Field

[0001] The utility model relates to the field of conductor traction plates, in particular to a transition traction plate used for one-pull five-tension conductor release construction. Background Art

[0002] Normally, the transmission line conductors are single-split, double-split, quadruple-split, sextuple-split or octuplet-split conductors per phase, that is, there are 1, 2, 4, 6 or 8 sub-conductors per phase. During construction and deployment, one-to-one, one-to-two or one-to-four, or related combinations are usually used.

[0003] Due to the special terrain, in order to reduce infrastructure investment and expand transmission capacity, it is necessary to use a very-split conductor. The existing one-to-two or one-to-four traction boards do not meet the traction needs of the very-split conductor and cannot efficiently complete the deployment construction of the very-split conductor. Summary of the invention

[0004] The technical problem to be solved and the technical task proposed by the utility model are to improve and perfect the existing technical solutions, and provide a transition traction plate for the construction of one-pull five-tension conductor deployment, so as to achieve the traction and deployment of ten-tension conductors efficiently. To this end, the utility model adopts the following technical solutions.

[0005] A transition traction plate for one-pull-five tension spreading conductor construction, comprising a leading assembly located in the front area and a rear-pull assembly located in the rear area, the leading assembly comprising a leading plate and a front spacing seat, the rear-pull assembly comprising a rear-pull plate and a rear spacing seat, the leading plates comprising 5 pieces, arranged at equal intervals in the left and right directions, a front spacing seat is arranged between every two leading plates, the rear-pull plates comprising 5 pieces, arranged at equal intervals in the left and right directions, a rear spacing seat is arranged between every two rear-pull plates, the leading assembly and the rear-pull assembly are rotatably connected, the front end of the leading plate and the rear end of the rear-pull plate are both provided with connection holes for connecting a rotary connector. The number of traction ropes connected to the leading assembly can be symmetrically selected as 1, 2 or 4 according to the traction force of the conductor, the 5 rear-pull plates on the rear side can be connected to 5 rotary connectors, and 5 traction ropes are connected in series, so that the ten-split conductor can be connected to the transition traction plate through the existing one-pull-four or one-pull-two traction plates, and can be divided into 2 groups for convenient traction and spreading, and the traction and spreading of the ten-split conductor can be efficiently realized.

[0006] As a preferred technical means: the upper end of the front spacer is provided with a front wheel groove, and the upper end of the rear guide assembly is provided with a rear wheel groove, so as to facilitate the passage of the wire laying pulley.

[0007] As a preferred technical means: the upper end position of the front guide plate is 25-40mm higher than the upper end position of the front spacing seat, forming a front wheel groove, the upper end position of the rear guide plate is 20-40mm higher than the upper end position of the rear spacing seat, forming a rear wheel groove, and the upper end of the connecting hole is lower than the upper end surface of the front spacing seat and the rear spacing seat, so as to realize the groove structure of the front wheel groove and the rear wheel groove.

[0008] As a preferred technical means: the left and right sides of the rear wheel groove are provided with guide bodies with an arc-shaped cross section and an arc-shaped upward arch, and the front end of the guide body is provided with a spherical arc surface. When the line-releasing pulley passes through, the arc-surface guide body has a good guiding effect.

[0009] As a preferred technical means: the front spacer comprises a front spacer and side panels on the left and right sides of the front spacer, the front spacer is welded to the side panels, and the front spacer is an inner hollow shell. The front spacer structure is realized, and the inner hollow structure can reduce weight.

[0010] As a preferred technical means: the front guide plate and the front spacer are fixed by welding. The connection structure is simple, firm and reliable.

[0011] As a preferred technical means: the side plate is rotatably hinged with the rear guide plate through a hinge shaft, so as to realize the rotatable connection between the front guide assembly and the rear guide assembly. Through the rotatable hinge, the traction and vertical torque it can withstand are greatly enhanced, and it can be effectively applied to the construction of the conductor with strong torque.

[0012] As a preferred technical means: the edges and corners of the front guide plate, the rear guide plate, the front spacer and the rear spacer are all arc-shaped transitions, which improves the safety of the traction plate from contact and collision.

[0013] As a preferred technical means: the rear spacer is an inner hollow shell, and the rear spacer and the rear guide plate are welded. The inner hollow structure can reduce weight, and the welded connection has a simple and firm structure.

[0014] As a preferred technical means: side guard plates are provided on the front guide plate and the rear guide plate on the left and right sides of the traction plate to prevent damage to the traction plate body caused by friction and collision on the side.

[0015] Beneficial effects: 5 conductors can be pulled at the same time, and the very split conductors can be divided into 2 groups for convenient pulling and deployment, which can efficiently realize the pulling and deployment of the very split conductors. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Figure 2 It is a structural schematic diagram of another viewing direction of the utility model.

[0018] Figure 3It is a schematic diagram of the connection between the utility model and the traction rope during traction.

[0019] In the figure: 1, traction plate; 2, rotary connector; 3, traction rope; 101, front guide plate; 102, rear guide plate; 103, front spacer; 104, connecting hole; 105, guide body; 106, hinge shaft; 107, rear spacer; 108, side guard plate; 10301, front spacer; 10302, side plate. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings.

[0021] In the description of the present invention, it should be understood that the terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0022] like Figure 1 , 2As shown, a transition traction plate for one-pull five-tension conductor construction includes a leading assembly located in the front area and a rearward assembly located in the rear area, the leading assembly includes a leading plate 101 and a front spacing seat 103, the rearward assembly includes a rearward plate 102 and a rearward spacing seat 107, the leading plates 101 are 5 in total, arranged at equal intervals in the left and right directions, a front spacing seat 103 is arranged between every two leading plates 101, the rearward plates 102 are 5 in total, arranged at equal intervals in the left and right directions, a rearward spacing seat 107 is arranged between every two rearward plates 102, the leading assembly and the rearward assembly are rotatably connected, and the front end of the leading plate 101 and the rear end of the rearward plate 102 are both provided with There is a connecting hole 104 for connecting the rotary connector 2, the upper end of the front spacer 103 is provided with a front passing groove, the upper end of the rear guide assembly is provided with a rear passing groove, the upper end position of the front guide plate 101 is 35mm higher than the upper end position of the front spacer 103, the upper end position of the rear guide plate 102 is 35mm higher than the upper end position of the rear spacer 107, forming a 35mm deep passing groove, the upper end of the connecting hole 104 is lower than the upper end surfaces of the front spacer 103 and the rear spacer 107, which is convenient for the wire-releasing pulley to pass through, and the left and right sides of the rear passing groove are provided with a guide body 105 with an arc-shaped cross-section and an arc-shaped upward arch, and the front end of the guide body 105 is provided with a spherical arc surface, which can guide the wire-releasing pulley.

[0023] In order to realize a reliable connection structure between the leading assembly and the trailing assembly, the front spacer 103 includes a front spacer 10301 and side plates 10302 located on the left and right sides of the front spacer 10301, the front spacer 10301 and the side plates 10302 are welded and connected, the front spacer 10301 is an inner hollow shell, the front guide plate 101 and the front spacer 103 are welded and fixed, the rear spacer 107 is an inner hollow shell, the rear spacer 107 and the trailing plate 102 are welded, and the side plates 10302 are rotatably hinged with the trailing plate 102 through the hinge shaft 106. To realize a stable and reliable connection structure between the leading assembly and the trailing assembly, the leading assembly and the trailing assembly are rotatably hinged, and the traction and vertical torque that they can withstand are greatly enhanced, which can effectively apply to the scene of strong torque construction of the conductor.

[0024] In order to improve the safety of the traction plate 1 in contact collision, the edges and corners of the front guide plate 101, the rear guide plate 102, the front spacer 103 and the rear spacer 107 are all rounded. The rounded transition at the edges and corners avoids the existence of sharp angles, which can effectively prevent the damage of sharp angles to contact collision.

[0025] In order to avoid damage to the traction plate 1 body caused by side friction, side guard plates 108 are provided on the front guide plate 101 and the rear guide plate 102 on the left and right sides of the transition traction plate 1, which can avoid damage to the traction plate 1 body caused by side friction and collision. The side guard plates 108 are fixed with screws, and can be easily replaced after the side guard plates 108 are damaged.

[0026] like Figure 3 As shown, when connected, the four front guide plates 101 of the traction plate 1 are connected in series with one rotary connector 2 and one traction rope 3 respectively. It is also possible to symmetrically select one, two or four front guide plates 101 to connect the rotary connector 2 according to the traction force of the wire. The five rear guide plates 102 on the rear side are connected with five rotary connectors 2 and five traction ropes 3 in series. In this way, the very split wires can be divided into two groups for convenient traction and deployment, and the traction and deployment of the very split wires can be achieved efficiently. In this example, the wire laying pulley adopts a five-wheel pulley. In addition to being used to pass the main traction wire rope and the anti-twist weight, the middle wheel is also used to pass the wire located in the middle of the rear side of the transition traction plate 1.

[0027] In this example, the traction rope 3 is a steel wire rope.

[0028] In this example, the front spacer 103 and the rear spacer 107 are formed by welding four plates from front to back to form a square shell. They can also be formed by bending the plates 90 degrees three times and then welding them.

[0029] above Figure 1-3 The transition traction plate shown in the figure for the construction of a one-pull-five-tension conductor is a specific embodiment of the present utility model, which has embodied the substantial characteristics and progress of the present utility model. According to actual use needs and under the guidance of the present utility model, equivalent modifications in shape, structure, etc. can be made to the same, which are all within the protection scope of this scheme.

Claims

1. A transition traction plate for one-pull five-tension conductor construction, characterized in that: The invention comprises a front guide assembly located in a front area and a rear guide assembly located in a rear area, wherein the front guide assembly comprises a front guide plate (101) and a front spacer (103), and the rear guide assembly comprises a rear guide plate (102) and a rear spacer (107). The front guide plates (101) are five in total and are arranged at equal intervals in the left-right direction. A front spacer (103) is arranged between every two front guide plates (101). The rear guide plates (102) are five in total and are arranged at equal intervals in the left-right direction. A rear spacer (107) is arranged between every two rear guide plates (102). The front guide assembly and the rear guide assembly are rotatably connected, and a connection hole (104) for connecting a rotary connector (2) is provided at the front end of the front guide plate (101) and the rear end of the rear guide plate (102).

2. A transition traction plate for one-pull-five tension laying conductor construction according to claim 1, characterized in that: The upper end of the front spacer (103) is provided with a front wheel groove, and the upper end of the rear guide component is provided with a rear wheel groove.

3. A transition traction plate for one-pull-five tension laying conductor construction according to claim 2, characterized in that: The upper end of the front guide plate (101) is 25-40 mm higher than the upper end of the front spacer (103), forming a front wheel groove; the upper end of the rear guide plate (102) is 20-40 mm higher than the upper end of the rear spacer (107), forming a rear wheel groove; the upper end of the connecting hole (104) is lower than the upper end surfaces of the front spacer (103) and the rear spacer (107).

4. A transition traction plate for one-pull-five tension laying conductor construction according to claim 3, characterized in that: The left and right sides of the rear vehicle groove are provided with guide bodies (105) with an arc-shaped cross section and the arc-shaped guide bodies (105) are arched upwards, and the front end of the guide bodies (105) is provided with a spherical arc surface.

5. The transition traction plate used for one-pull-five tension laying conductor construction according to claim 1, characterized in that: The front spacer seat (103) includes a front spacer (10301) and side plates (10302) located on the left and right sides of the front spacer (10301), the front spacer (10301) and the side plates (10302) are welded together, and the front spacer (10301) is an inner hollow shell.

6. A transition traction plate for one-pull-five tension laying conductor construction according to claim 5, characterized in that: The front guide plate (101) and the front spacer (103) are fixed by welding.

7. A transition traction plate for one-pull-five tension laying conductor construction according to claim 6, characterized in that: The side plate (10302) is rotatably hinged to the rear guide plate (102) via a hinge shaft (106).

8. The transition traction plate used for one-pull-five tension laying conductor construction according to claim 7, characterized in that: The edges and corners of the front guide plate (101), the rear guide plate (102), the front spacing seat (103) and the rear spacing seat (107) are all arc-shaped transitions.

9. The transition traction plate used for one-pull-five tension laying conductor construction according to claim 1, characterized in that: The rear spacer (107) is a hollow shell, and the rear spacer (107) and the rear guide plate (102) are connected by welding.

10. The transition traction plate used for one-pull-five tension laying conductor construction according to claim 1, characterized in that: Side guard plates (108) are provided on the front guide plate (101) and the rear guide plate (102) on the left and right sides of the traction plate (1).

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