Power transmission line auxiliary maintenance device for power transmission and transformation iron tower

Abstract

The utility model discloses a power transmission line auxiliary maintenance device for a power transmission and transformation iron tower, and relates to the technical field of power transmission and transformation iron tower auxiliary maintenance devices. The device comprises a supporting rod, an auxiliary assembly and a locking assembly, wherein the supporting rod comprises a main supporting rod and an auxiliary supporting rod; the auxiliary assembly comprises a fixing base, two holding plates, a guide rod and a supporting base. The locking assembly is arranged on the main supporting rod and locks the length of the main supporting rod and the length of the auxiliary supporting rod. According to the utility model, gravity self-locking is formed, the situation that the auxiliary assembly and the power transmission cable are separated and misplaced in the using process is effectively avoided, an operator can conveniently overhaul the auxiliary assembly, and the auxiliary assembly is simple, efficient and capable of effectively eliminating potential safety hazards at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary overhauling device of power transmission and transformation tower, more specifically it is a kind of auxiliary overhauling device of power transmission line for power transmission and transformation tower. BACKGROUND

[0002] Power transmission line tower refers to the tower for overhead power transmission line, and the industry generally collectively refers to "power transmission line tower" for power transmission line tower products such as angle steel tower, steel pipe tower, steel pipe pole and power transformation support, and the power transmission line tower is the main equipment in overhead power transmission and distribution line, and its structural performance directly affects the safety, economy and reliability of line, and is an important component indispensable in power grid construction and transformation, and its development cannot be separated from the development of national electric power industry.

[0003] At present, in order to ensure the normal transmission of electric power, the cable between power transmission and transformation towers needs to be overhauled regularly, but since the height of the power transmission and transformation tower and the cable connected thereon is generally high, in order to ensure the personal safety of the operator during the overhaul, an auxiliary overhauling device is generally provided to assist the operator in the overhaul work.

[0004] In the related art, although the current auxiliary overhauling device is various, there are still some problems, for example, the current auxiliary overhauling device is mostly composed of a support frame and an auxiliary walking roller when in use, the roller is engaged with the cable to assist the operator to walk on the cable, and the support frame supports the operator, this structure can meet the auxiliary overhauling requirement, but when in use, since the roller is mostly single structure, the roller is easily separated from the cable during rolling, at this time, the operator needs to adjust the roller to engage with the cable, which is complicated and has great safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims at facilitating the operator to overhaul while reducing safety hazard, and provides an auxiliary overhauling device of power transmission line for power transmission and transformation tower.

[0006] In order to achieve the above object, the technical scheme of the utility model is as follows: an auxiliary overhauling device of power transmission line for power transmission and transformation tower, characterized by comprising a support rod, an auxiliary assembly and a locking assembly, the support rod comprises a main support rod and a vice support rod, a mounting cavity is arranged in the main support rod, the vice support rod is slidingly connected in the mounting cavity, and a butt joint rod is fixed to the end of the main support rod and the vice support rod away from each other.

[0007] The auxiliary assembly comprises a fixed seat, two embracing plates, a guide rod and a supporting seat; the fixed seat is fixed at the bottom of the butt joint rod, and both ends of the bottom are rotationally connected with the middle part of the embracing plate; the guide rod is slidingly connected at the center of the fixed seat and is located between the two embracing plates; the supporting seat is fixed at the upper end of the guide rod, and both ends of the supporting seat are slidingly abutted with the embracing plate; the main support rod and the auxiliary support rod are supported between the adjacent two power transmission cables through the supporting seat, and the lower end of the two embracing plates is abutted with the power transmission cable.

[0008] The locking assembly is arranged on the main support rod, and the locking assembly locks the length of the main support rod and the auxiliary support rod.

[0009] In the above technical scheme, the two embracing plates are symmetrically arranged about the axis of the butt joint rod.

[0010] In the above technical scheme, the auxiliary assembly further comprises an abutting roller, a limiting roller and a driven wheel; the abutting roller is rotationally connected at the lower end of the guide rod; the limiting roller is rotationally connected at the abutting end of the embracing plate and the power transmission cable; and both ends of the supporting seat are rollingly abutted with the embracing plate through the driven wheel.

[0011] In the above technical scheme, the auxiliary assembly further comprises a reset spring, and the reset spring is arranged between the upper ends of the two embracing plates.

[0012] In the above technical scheme, a plurality of groups of the auxiliary assembly are arranged along the length direction of the butt joint rod, and a transmission rod is arranged between the guide rods of the adjacent two groups of the auxiliary assembly.

[0013] In the above technical scheme, the locking assembly comprises a bearing seat, an adjusting handle, a push rod and a through slot; the through slot is arranged on the main support rod and penetrates the mounting cavity in the main support rod; the bearing seat is fixed on the main support rod; the adjusting handle is rotationally connected on the bearing seat; one end of the push rod is rotationally connected in the adjusting handle; a one-way tooth groove is arranged on the side of the auxiliary support rod close to the push rod, and the other end of the push rod is slidingly abutted in the one-way tooth groove.

[0014] In the above technical scheme, a torsional spring is arranged on the side wall of the bearing seat, and the torsional spring is clamped on the adjusting handle.

[0015] In the above technical scheme, a hook is arranged on the bottom of the main support rod close to the end of the auxiliary support rod.

[0016] In the above technical scheme, a protruding block is arranged in the fixed seat, a through hole is arranged penetrating the protruding block, and the guide rod is slidingly clamped in the through hole.

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

[0018] 1) The setting of the locking assembly in the utility model discloses make the operator before overhaul, can adjust the overall length of main support rod, vice support rod according to actual situation, and then make the utility model can satisfy actual use demand, greatly improve the application scope of the utility model;Again using the setting of auxiliary assembly, when the guiding rod is in abutment with the power cable, the guiding rod is driven through the support seat to push the clamping plate to rotate, so that the adjacent two clamping plates rotate synchronously, the power cable is synchronously clamped on both sides, and then the gravity self-locking is formed, effectively avoiding the separation of auxiliary assembly and power cable in the process of use, avoiding the dislocation condition, convenient for the operator to overhaul, simple and efficient, and effectively eliminate the security risks.

[0019] 2) The utility model discloses the setting of abutment roller and limit roller, which facilitates the rapid movement of the auxiliary assembly on the power cable, and the setting of the driven wheel facilitates the relative movement of the support seat and the clamping plate.

[0020] 3) The utility model discloses the elasticity of reset spring drives adjacent two clamping plates to open, so as to facilitate the use of next time.

[0021] 4) The utility model discloses the setting of transmission rod makes multiple guiding rods and clamping plates can be clamped synchronously.

[0022] 5) The utility model discloses the rotation of adjusting handle drives push rod movement, and then the push rod drives vice support rod to slide in main support rod, and then realizes the quick adjustment of the overall length of main support rod and vice support rod.

[0023] 6) The utility model discloses the setting of torsion spring makes adjusting handle can reset quickly.

[0024] 7) The utility model discloses the hook makes the safety equipment on the operator's body can be quickly connected, and the simple operation effect is achieved.

[0025] 8) The utility model discloses the protrusion is limited to guiding rod, and then realizes the limiting and guiding effect of support seat. DRAWINGS

[0026] Figure 1 It is the structure schematic drawing of the utility model.

[0027] Figure 2 It is the enlarged view of butt joint rod and auxiliary assembly.

[0028] Figure 3 It is the structure schematic drawing of auxiliary assembly.

[0029] Figure 4 It is the structure schematic drawing of fixed seat.

[0030] Figure 5 It is the enlarged view of locking assembly.

[0031] Wherein, 1 - support rod; 11 - main support rod; 12 - vice support rod; 2 - power cable; 3 - installation cavity; 4 - butt bar; 5 - auxiliary assembly; 51 - fixed seat; 52 - tight board; 53 - guide rod; 54 - support seat; 55 - abutment roller; 56 - limit roller; 57 - driven wheel; 58 - return spring; 59 - transmission rod; 6 - locking assembly; 61 - bearing seat; 62 - adjusting handle; 63 - push rod; 64 - through slot; 65 - torsional spring; 7 - hook. DETAILED DESCRIPTION

[0032] The embodiments of the present application will be described in detail below with reference to the drawings, but they do not constitute limitations to the present application, and are only examples. At the same time, the advantages of the present application will become clearer and easier to understand through the description.

[0033] As shown in the drawings: a kind of for transmission and transformation electric power tower's power transmission line auxiliary maintenance device, it is characterized by including support rod 1, auxiliary assembly 5 and locking assembly 6, the support rod 1 includes main support rod 11 and vice support rod 12;The main support rod 11 is provided with installation cavity 3, the vice support rod 12 is slidably connected in the installation cavity 3, and the end of main support rod 11 and vice support rod 12 mutually away from each other is fixed with butt bar 4;

[0034] As Figures 2-4 As shown in the drawings: a kind of for transmission and transformation electric power tower's power transmission line auxiliary maintenance device, it is characterized by including support rod 1, auxiliary assembly 5 and locking assembly 6, the support rod 1 includes main support rod 11 and vice support rod 12;The main support rod 11 is provided with installation cavity 3, the vice support rod 12 is slidably connected in the installation cavity 3, and the end of main support rod 11 and vice support rod 12 mutually away from each other is fixed with butt bar 4;

[0035] As Figure 1 As shown in the drawings: a kind of for transmission and transformation electric power tower's power transmission line auxiliary maintenance device, it is characterized by including support rod 1, auxiliary assembly 5 and locking assembly 6, the support rod 1 includes main support rod 11 and vice support rod 12;The main support rod 11 is provided with installation cavity 3, the vice support rod 12 is slidably connected in the installation cavity 3, and the end of main support rod 11 and vice support rod 12 mutually away from each other is fixed with butt bar 4;

[0036] Two the tight board 52 about butt bar 4 axis symmetry setting.

[0037] Auxiliary assembly 5 uses gravity, so that auxiliary assembly 5 can tightly hold power cable 2 when abutting with power cable 2, and then form gravity self-locking, effectively avoid the situation that auxiliary assembly 5 and power cable 2 separate misplacement appear in the process of use, simple and efficient also effectively eliminates security risks.

[0038] AsFigure 3 and 4 As shown, the auxiliary component 5 also includes an abutment roller 55, a limiting roller 56, and a driven wheel 57; the abutment roller 55 is rotatably connected to the lower end of the guide rod 53; the limiting roller 56 is rotatably connected to the abutment end of the clamping plate 52 and the power transmission cable 2; both ends of the support base 54 are in rolling contact with the clamping plate 52 through the driven wheel 57; the arrangement of the two driven wheels 57 facilitates the relative movement of the support base 54 and the clamping plate.

[0039] The auxiliary component 5 also includes a reset spring 58, which is disposed between the upper ends of the two clamping plates 52. The spring force of the reset spring 58 drives the two adjacent clamping plates 52 to open in conjunction, thereby facilitating the installation of the auxiliary component 5 on the power transmission cable 2.

[0040] The auxiliary components 5 are arranged in multiple sets at intervals along the length direction of the docking rod 4, and a transmission rod 59 is provided between the guide rods 53 of two adjacent sets of auxiliary components 5. Figure 1 The auxiliary components 5 are provided in 3 sets. In actual use, the number of sets may vary from 2 to 4 depending on the size of the auxiliary components 5. The setting of 3 sets of auxiliary components 5 makes the present invention more stable during maintenance. The transmission rod 59 is used to enable multiple guide rods 53 and clamping plates 52 to be released or clamped synchronously.

[0041] When the abutting roller 55 comes into contact with the power transmission cable 2, under the action of gravity, the power transmission cable 2 abuts the abutting roller 55 and moves upward relative to the fixed seat 51. The abutting roller 55 simultaneously drives the support seat 54 and the driven wheel 57 to move upward, so that the driven wheel 57 opens the clamping plate 52 near the docking rod 4. That is, the support seat 54 pushes the clamping plate 52 to rotate, so that the two adjacent clamping plates 52 rotate synchronously. The ends of the two clamping plates 52 away from the docking rod 4 clamp the two sides of the power transmission cable 2 synchronously, thus forming a gravity self-locking. By utilizing the rotation setting of the abutting roller 55 and the limiting roller 56, the auxiliary component 5 can move quickly on the power transmission cable 2.

[0042] like Figure 5 As shown, the locking assembly 6 includes a support 61, an adjusting handle 62, a push rod 63, and a through groove 64; the through groove 64 is provided on the main support rod 11 and communicates with the mounting cavity 3 inside the main support rod 11; the support 61 is fixed on the main support rod 11; the adjusting handle 62 is rotatably connected to the support 61; one end of the push rod 63 is rotatably connected to the adjusting handle 62, and a one-way toothed groove is provided on the side of the auxiliary support rod 12 near the push rod 63, and the other end of the push rod 63 slides against the one-way toothed groove.

[0043] A torsion spring 65 is provided on the side wall of the support 61, and the torsion spring 65 is engaged with the adjustment handle 62.

[0044] The arrangement of the locking assembly 6 enables an operator to adjust the overall length of the main support rod 11 and the auxiliary support rod 12 before maintenance according to actual conditions, thereby enabling the utility model to meet actual use requirements and greatly improving the overall application range of the utility model.

[0045] The rotation of the adjusting handle 62 drives the push rod 63 to move, and then the push rod 63 pushes the auxiliary support rod 12 to slide in the main support rod 11, thereby realizing quick adjustment of the overall length of the main support rod 11 and the auxiliary support rod 12, and the torsional spring 65 enables the adjusting handle 62 to be quickly reset.

[0046] The bottom of the main support rod 11 is provided with a hook 7 near one end of the auxiliary support rod 12.

[0047] The hook 7 enables safety equipment, such as a protective rope, on the operator to be quickly connected to the device.

[0048] The fixed seat 51 is internally provided with a protrusion, the protrusion is provided with a through hole, and the guide rod 53 is slidingly connected in the through hole; the protrusion and the transmission rod 59 are used to limit the guide rod 53, thereby realizing the limiting and guiding effects of the supporting seat 54.

[0049] The use method of the utility model is as follows: first, the overall length of the main support rod 11 and the auxiliary support rod 12 is adjusted according to actual conditions; when adjusting, the adjusting handle 62 is rotated to drive the push rod 63 to move, and then the push rod 63 pushes the auxiliary support rod 12 to slide in the main support rod 11 until the main support rod 11 and the auxiliary support rod 12 are adjusted to a proper length.

[0050] The auxiliary assembly 5 is placed on the power transmission cable 2, and when placed, the power transmission cable 2 is located between the two clamping plates 52 on the same fixed seat 51; the weight of the auxiliary assembly 5 is used to drive the supporting seat 54 to move through the guide rod 53 when the abutting roller 55 abuts against the power transmission cable 2, and the clamping plate 52 is pushed to rotate through the supporting seat 54, so that the two adjacent clamping plates 52 are synchronously rotated and the power transmission cable 2 is synchronously clamped on both sides.

[0051] The cooperation of the fixed seat 51, the clamping plate 52, the guide rod 53, the supporting seat 54, the abutting roller 55, the limiting roller 56, the driven wheel 57 and the reset spring 58 enables the clamping plate 52 to clamp the power transmission cable 2 on both sides after the auxiliary assembly 5 is placed on the power transmission cable 2, thereby forming a gravity self-locking effect, effectively avoiding the separation and mispositioning of the auxiliary assembly and the power transmission cable during use, which not only facilitates the maintenance of the operator, but also effectively eliminates safety hazards.

[0052] The other parts not described belong to the prior art.

Claims

1. A transmission line auxiliary maintenance device for transmission and transformation towers, characterized in that: It includes a support rod (1), an auxiliary component (5) and a locking component (6). The support rod (1) includes a main support rod (11) and a secondary support rod (12). The main support rod (11) is provided with an installation cavity (3). The secondary support rod (12) is slidably engaged in the installation cavity (3). The opposite ends of the main support rod (11) and the secondary support rod (12) are both fixed with a connecting rod (4). The auxiliary component (5) includes a fixed base (51), two clamping plates (52), a guide rod (53), and a support base (54); the top of the fixed base (51) is fixed to the bottom of the connecting rod (4), and both ends of the bottom are rotatably connected to the middle of the clamping plate (52); the guide rod (53) is slidably connected to the center of the fixed base (51) and located between the two clamping plates (52); the support base (54) is fixed to the upper end of the guide rod (53), and both ends of the support base (54) are slidably abutting against the clamping plate (52); the main support rod (11) and the auxiliary support rod (12) are supported between two adjacent power transmission cables (2) through the support base (54), and the lower ends of the two clamping plates (52) abut against the power transmission cables (2); The locking component (6) is installed on the main support rod (11) and locks the length of the main support rod (11) and the auxiliary support rod (12).

2. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 1, characterized in that: The two clamping plates (52) are symmetrically arranged about the axis of the connecting rod (4).

3. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 2, characterized in that: The auxiliary component (5) also includes an abutment roller (55), a limiting roller (56), and a driven wheel (57); the abutment roller (55) is rotatably connected to the lower end of the guide rod (53); the limiting roller (56) is rotatably connected to the abutment end of the clamping plate (52) and the power transmission cable (2); both ends of the support base (54) are in rolling contact with the clamping plate (52) through the driven wheel (57).

4. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 3, characterized in that: The auxiliary component (5) also includes a reset spring (58), which is disposed between the upper ends of the two clamping plates (52).

5. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 1, characterized in that: The auxiliary components (5) are arranged in multiple sets at intervals along the length direction of the docking rod (4), and a transmission rod (59) is arranged between the guide rods (53) of two adjacent sets of auxiliary components (5).

6. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 1, characterized in that: The locking assembly (6) includes a support (61), an adjusting handle (62), a push rod (63), and a through groove (64); the through groove (64) is provided on the main support rod (11) and communicates with the mounting cavity (3) inside the main support rod (11); the support (61) is fixed on the main support rod (11); the adjusting handle (62) is rotatably connected to the support (61); one end of the push rod (63) is rotatably connected to the adjusting handle (62), and a one-way toothed groove is provided on the side of the auxiliary support rod (12) near the push rod (63), and the other end of the push rod (63) slides against the one-way toothed groove.

7. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 6, characterized in that: A torsion spring (65) is provided on the side wall of the support (61), and the torsion spring (65) is engaged with the adjustment handle (62).

8. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 1, characterized in that: A hook (7) is provided at the bottom of the main support rod (11) near the end of the secondary support rod (12).

9. The auxiliary maintenance device for power transmission lines used in power transmission and transformation towers according to claim 1, characterized in that: The fixed base (51) has a protrusion inside, and a through hole is provided on the protrusion. The guide rod (53) is slidably engaged in the through hole.

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