CN111564791A - Overhead line inlet device - Google Patents

Abstract

The invention discloses an overhead line incoming device, which comprises a middle overhead rod erected on a mobile substation vehicle, wherein two sides of the middle overhead rod are respectively provided with a side overhead rod, an auxiliary adjusting rod is arranged close to the side overhead rod, and the side overhead rod and the auxiliary adjusting rod are respectively arranged on the mobile substation vehicle through a rotary adjusting device; the terminal seat that is used for the installation of overhead line is installed to other overhead pole, install the centre gripping adjustment seat that is used for the installation of overhead line on the supplementary adjusting lever, the overhead line passes through after the terminal seat is fixed, pass through the tightness of centre gripping adjustment seat adjustment overhead line, through the distance between rotatory adjusting device adjustment other overhead pole and the middle overhead pole, the overhead line supports through other overhead pole and the supplementary adjusting lever that is close to other overhead pole setting, adjusts the sag of overhead line through the distance between adjustment other overhead pole and the supplementary adjusting lever.

Description

An overhead line feeder

technical field

The embodiments of the present invention relate to the technical field of mobile substations, and in particular, to an overhead line incoming device.

Background technique

Substations play an important role in the operation of power grids. Conventional substations are fixed, and their construction, installation and commissioning take a long time to complete. In reality, the substation may be damaged due to various natural or human factors, resulting in the paralysis of the power grid. In order to restore the function of the substation as soon as possible, in the existing technology, mobile substations are often used instead of conventional substations to restore power supply to meet the needs of industrial or life. use electricity.

Patent No. CN1074464A provides a mobile substation. The mobile substation includes a high-voltage substation and a medium-voltage distribution car as a mobile platform. The high-voltage substation is equipped with a 110kV high-voltage combined electrical appliance, a main transformer and an intelligent control of the transformer. Cabinet, the incoming side of the 110kV high-voltage combined electrical appliance can be connected to the high-voltage line through overhead or cables. In order to ensure the stability of the connection, a bracket is provided at one end of the incoming side. The bracket is provided with a terminal block and a terminal, and the terminal realizes the incoming line. The transfer between the side and the high voltage line. However, under the condition of high voltage level, the insulation distance on the incoming side also needs to be increased accordingly, and the large size of the bracket required by the large voltage level makes the transportation of the mobile substation difficult.

To this end, it is necessary to adjust the distance between the terminal blocks according to the change of voltage. However, when the distance between the terminal blocks is increased, the cables placed on the terminal blocks are tightened with the increase of the distance between the terminal blocks, so that the distance between the terminal blocks is increased. The cable is prone to breakage, and the cable also loosens as the distance between the terminal blocks decreases, so that during the swinging process of the cable, it is easy to cause the problem of mutual attraction between adjacent cables.

SUMMARY OF THE INVENTION

To this end, an embodiment of the present invention provides an overhead wire entry device, which adjusts the distance between the side bracket empty rod and the middle overhead rod through the rotating adjustment device, and the overhead wire is adjusted through the side bracket empty rod and the auxiliary adjustment rod arranged near the side bracket empty rod. Support, adjust the sag of the overhead line by adjusting the distance between the side bracket empty rod and the auxiliary adjustment rod, so as to solve the problem of the slack or tension of the overhead line caused by adjusting the distance between the terminal blocks in the prior art .

In order to achieve the above object, embodiments of the present invention provide the following technical solutions:

An overhead line inlet device, comprising an intermediate overhead pole erected on a mobile substation, two sides of the intermediate overhead pole are respectively provided with a side bracket empty pole and an auxiliary adjustment pole, the side bracket empty pole and the auxiliary adjustment pole The rods are respectively rotated and installed on the mobile substation;

A terminal seat for fixing the overhead wire is installed on the side bracket hollow rod, and a clamping adjustment seat for adjusting the tension of the overhead wire is installed on the auxiliary adjustment rod.

Optionally, the side bracket empty rod and the auxiliary adjustment rod are respectively installed on the mobile substation through a rotation adjustment device;

The rotation adjustment device includes a fixed base installed on the mobile substation, the fixed base is provided with a transverse chute, a translation slider is installed in the transverse chute, and the translation slider is rotatably connected. There is a swinging base rod, the swinging direction of the swinging base rod is perpendicular to the moving direction of the translation slider, and limit plates are arranged on the fixed bases on both sides of the swinging base rod, and the fixed bases are provided with limit plates. A translation chute arranged parallel to the transverse chute is provided, and a translation sliding roller embedded in the translation chute is provided on the limiting plate.

Optionally, a push screw is arranged in the transverse chute, one end of the push screw is rotatably connected to the fixed base, and the other end of the push screw penetrates the fixed base and is provided with a rotating handle, the The translation slider is provided with a through screw hole which is screwed and connected with the push screw.

Optionally, a swing limit screw is provided on the limit plate; the swing limit screw passes through the swing base rod and is rotatably connected with the swing base rod, and the limit plate is provided with a The arc chute for the swing limit screw to move, and a positioning nut is screwed and installed on the swing limit screw.

Optionally, a diagonal bracing device connected to the positioning nut is provided on the limiting plate;

The diagonal bracing device includes two diagonal bracing bases installed on both sides of the swing limit screw; the diagonal bracing base is rotatably connected with the limit plate, and a diagonal bracing base is screwed and installed on the diagonal bracing base. The support screw is provided with a ring sleeve sleeved on the positioning nut at one end of the diagonal support screw away from the diagonal support base.

Optionally, the swing base rod is connected with the side bracket empty rod or the auxiliary adjustment rod.

Optionally, the terminal seat is slidably connected to the side bracket hollow rod, the terminal seat includes a mounting base mounted on the side bracket hollow rod, and a ceramic column for fixing the overhead line is installed on the mounting base. , a guide chute is provided on the side bracket empty rod along the length direction of the side bracket empty rod, and the installation base is embedded in the guide chute; in the guide chute, along the guide chute A moving screw rod is installed in the longitudinal direction; the installation base is provided with a through hole for being screwed and connected with the moving screw rod.

Optionally, the clamping adjustment base is slidably connected to the auxiliary adjustment rod, the clamping adjustment base includes an adjustment base mounted on the auxiliary adjustment rod, and a clamping base is installed on the adjustment base for clamping. A clamping base for fixing the overhead wire, a moving chute is provided on the auxiliary adjusting rod along the length direction of the auxiliary adjusting rod, and the adjusting base is slidably installed in the moving chute; the moving chute Inside, an adjusting screw rod is installed along the length direction of the moving chute; the adjusting base is provided with a screw hole for screwing connection with the adjusting screw rod.

Optionally, the clamping base includes a fixing base disposed close to the adjusting base, a clamping base is buckled on the fixing base, and a clamping base is arranged between the fixing base and the clamping base. There is a gap, and the fixing seat and the clamping seat are connected by screw connection.

Optionally, the fixing base is slidably connected to the adjustment base, a wedge-shaped chute parallel to the moving direction of the adjustment base is arranged on the adjustment base, and the fixing base is close to the adjustment base. One end face of the base is provided with a wedge-shaped slider embedded in the wedge-shaped chute, the wedge-shaped chute is filled with a buffer spring in contact with the wedge-shaped slider, and the buffer spring is arranged on the wedge-shaped slider. The wedge-shaped chute is close to one side of the rotation adjusting device.

Embodiments of the present invention have the following advantages:

(1) The cable of the present invention is overhead through the side bracket empty rod and the auxiliary adjustment rod close to the side bracket empty rod. The overhead rod and the auxiliary adjustment rod move away from and close to the middle overhead rod, so as to adjust the distance between the overhead lines. In addition, the side bracket empty rod and the auxiliary adjustment rod effectively extend the overhead line between the side bracket empty rod and the auxiliary adjustment rod. The length between the side bracket empty rod and the auxiliary adjustment rod can be rotated toward or opposite to each other along the rotary adjustment device, thereby increasing or reducing the angle between the side bracket empty rod and the auxiliary adjustment rod, thereby shortening or increasing the side bracket empty rod and auxiliary adjustment rod. The length of the cable line between the rods, so as to adjust the sag of the cable line;

(2) The terminal seat provided on the side bracket empty rod of the present invention can slide along the side bracket empty rod, and the clamping adjustment seat provided on the auxiliary adjustment rod can slide along the auxiliary adjustment rod. During the moving process, not only can the distance between the cables be increased, but also the tension of the cables can be adjusted, thereby increasing the adjustment range of the cable distance and the sag adjustment range of the cables of the present invention, and has strong practicability. .

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an embodiment of the present invention;

2 is a schematic structural diagram of a rotation adjustment device according to an embodiment of the present invention;

3 is a schematic side view of the side frame structure of the side bracket empty rod according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a clamping adjustment seat according to an embodiment of the present invention.

In the picture:

1- Middle overhead rod; 2- Side bracket empty rod; 3- Auxiliary adjustment rod; 4- Rotation adjustment device; 5- Terminal seat; 6- Clamping adjustment seat;

21-guide chute; 22-moving screw;

31- move the chute; 32- adjust the screw;

41-fixed base; 42-transverse chute; 43-translation slider; 44-swing base rod; 45-limit plate; 46-translation chute; 47-translation sliding roller; 48-swing limit screw; 49 - push the screw;

481-arc chute; 482-positioning nut; 483-bracing base; 484-bracing screw; 485-ring sleeve;

51-installation base; 52-porcelain column;

61-Adjust the base; 62-Clamp the base;

621-fixed seat; 622-clamping seat; 623-screw; 624-wedge chute; 625-wedge slider; 626-buffer spring.

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As shown in FIG. 1 , the present invention provides an overhead line inlet device, including an intermediate overhead pole 1 erected on a mobile substation, and side bracket empty poles 2 are respectively provided on both sides of the intermediate overhead pole 1, which are close to the side bracket empty poles. The rod 2 is provided with an auxiliary adjustment rod 3, the side bracket empty rod 2 and the auxiliary adjustment rod 3 are respectively installed on the mobile substation through the rotation adjustment device 4, and the auxiliary adjustment rod 3 and the side bracket empty rod 2 are respectively moved away and Move in the direction close to the middle overhead pole 1, which is convenient to adjust the distance between adjacent overhead lines. A terminal block 5 for overhead line installation is installed on the side bracket empty pole 2, and a clip for overhead line installation is installed on the auxiliary adjustment rod 3. Hold the adjustment seat 6, the overhead line is fixed by the terminal block 5, and then the tension of the overhead line is adjusted by clamping the adjustment seat 6. An overhead line is first supported by the side bracket empty rod 2, and then supported by the auxiliary adjustment rod, so as to The length of the overhead line is extended, and it is convenient to adjust the sag of the overhead line within the effective length of the overhead line.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the rotation adjustment device 4 of the present invention includes a fixed base 41 installed on the mobile substation. The fixed base 41 is provided with a transverse chute 42 , and the transverse chute 42 A translation slider 43 is installed, and a swing base rod 44 is rotatably connected to the translation slider 43. The swing base rod 44 is connected with the side bracket empty rod 2 or the auxiliary adjustment rod 3. The swing direction of the swing base rod 44 is perpendicular to the translation slider 43. Limiting plates 45 are provided on the fixed base 41 on both sides of the swing base rod 44, the limiting plates 45 are set perpendicular to the moving direction of the translation slider 43, and the fixed base 41 is provided with parallel to the transverse chute The translation chute 46 provided at 42 , the limiting plate 45 is provided with a translation sliding roller 47 embedded in the translation chute 46 , and the limiting plate 45 is provided with a swing limiting screw 48 for swinging the base rod 44 .

The translation sliding block 43 of the rotation adjustment device 4 of the side bracket air pole 2 moves along the transverse chute 42 in the direction away from and close to the middle aerial pole 1, so as to adjust the distance between the levels of the overhead lines, which is convenient to adjust the distance between the overhead lines according to the voltage level. the distance.

In addition, the auxiliary adjustment rod 3 is also installed on the mobile substation through the rotation adjustment device 4, and can follow the side bracket empty rod 2 to move. During the movement of the auxiliary adjustment rod 3, the tension of the overhead line can be reduced. The swing base rod 44 connected with the rod 2 and the auxiliary adjustment rod 3 can swing along the clamping gap between the two limit plates 45 in a direction perpendicular to the movement direction of the translation slider 43, through the side bracket empty rod 2 and auxiliary adjustment rod 3 The distance between the side bracket empty rod 2 and the auxiliary adjustment rod 3 is adjusted, so as to further adjust the tension of the overhead line.

A push screw 49 is arranged in the transverse chute 42 parallel to the transverse chute 42. One end of the push screw 49 is rotatably connected to the fixed base 41, and the other end of the push screw 49 penetrates the fixed base 41 and is provided with a rotating handle, which can slide and slide in translation. The block 43 is provided with a through screw hole that is screwed and connected with the push screw 49. By rotating the push screw 49, the fixed base 41 is moved along the lateral chute 42, the operation is simple and convenient, and the fixed base 41 is improved in the lateral chute 42. The internal installation stability prevents you from sliding back and forth with the lateral chute 42 like the fixed base 41.

As shown in FIG. 2 , the swing limit screw 48 of the present invention passes through the swing base rod 44 and is rotatably connected with the swing base rod 44 , and the limit plate 45 is provided with an arc-shaped chute 481 for the swing limit screw 48 to move. , a positioning nut 482 is screwed and installed on the swing limit screw 48 on the side of the limit plate 45 away from the swing base rod 44, and the swing limit screw 48 moves along the arc-shaped chute 481 on the limit plate 45. The position screw 48 penetrates the swing base rod 44, so that the rotation angle of the swing base rod 44 is further adjusted by the rotation of the swing limit screw 48. After the rotation position of the swing base rod 44 is determined, the positioning nut 482 is tightened in the direction of the limit plate 45, In this way, the position of the swing limit screw 48 is fixed, which facilitates the determination of the position of the swing base rod 44 .

In order to improve the positional installation stability of the swing base rod 44, a diagonal bracing device connected with the positioning nut 482 is provided on the limit plate 45. The diagonal bracing device of the present invention includes two sides of the swing limit screw 48 respectively installed on the limiter. The diagonal bracing base 483 on the position plate 45, the diagonal bracing base 483 is rotatably connected with the limiting plate 45, the diagonal bracing base 483 is screwed and installed with a diagonal bracing screw 484, and the diagonal bracing screw 484 is far away from the diagonal bracing base 483. One end is provided with a ring sleeve 485 sleeved on the positioning nut 482. When the swing limit screw 48 swings and tilts to one side, the diagonal brace screw 48 located on the inclined side of the swing limit screw 48 supports the swing limit screw 48. , the diagonal support screw 48 on the other side of the swing limit screw 48 is pulled in the opposite direction by the ring sleeve 485 to the swing limit screw 48, thereby improving the support stability of the swing limit screw 48. The screwing depth of the support base 583 is adapted to fit the inclination angle of the swing limit screw 48 , which has strong practicability and effectively improves the inclination installation stability of the swing limit screw 48 .

The terminal base 5 of the present invention is slidably connected with the side bracket empty rod 2. The terminal base 5 includes an installation base 51 installed on the side bracket empty rod 2. The installation base 51 is mounted with a ceramic column 52 for overhead line installation. The side bracket empty rod 2 is provided with a guide chute 21 along the length direction of the side bracket empty rod 2, the installation base 51 is embedded in the guide chute 21, and the moving screw 22 is installed along the length direction of the guide chute 21, and the installation base 51 is provided with There is a through hole that is screwed and connected with the moving screw 22 .

In addition, the side bracket empty rod 2 is provided with sinking slide rails on both sides of the guide chute 21, the sinking slide rail is arranged along the length direction of the side bracket empty pole 2, and the two sides of the installation base 51 are provided with sinking platform slide rails corresponding to The clamping groove is installed in the clamping groove, and a roller that moves along the sliding rail of the sinking table is installed in the clamping groove. The installation base 51 moves along the guide chute 21, and by rotating the moving screw 22, the installation base 51 moves back and forth along the guide chute 21, which can not only help the overhead line to adjust the installation height along the side bracket empty rod 2, so as to adjust the height of the overhead line. The horizontal spacing between the cables effectively increases the adjustment range of the cable spacing, and during the movement of the overhead cables along the side bracket hollow pole 2, the tension of the overhead cables can be effectively adjusted, thereby increasing the cable sag adjustment range. .

In addition, the clamping adjustment base 6 of the present invention is slidably connected with the auxiliary adjustment rod 3, and the clamping adjustment base 6 includes an adjustment base 61 installed on the auxiliary adjustment rod 3, and an overhead wire clamped and fixed on the adjustment base 61 is installed. Clamping the base 62 , the auxiliary adjusting rod 3 is provided with a moving chute 31 along the length direction of the auxiliary adjusting rod 3 , the adjusting base 61 is slidably installed in the moving chute 31 , and the adjusting base 61 is installed along the length direction of the moving chute 31 The screw 32 and the adjustment base 61 are provided with screw holes that are screwed and connected to the adjustment screw 32. By rotating the adjustment screw 32, the adjustment base 61 moves back and forth along the moving chute 31, which can not only increase the distance between the cables and wires. By adjusting the position of the clamping adjustment seat 6 on the auxiliary adjustment rod 3, the tension degree of the cable can be adjusted following the empty rod 2 of the side bracket, and the sag of the cable can be increased. Adjust the range.

The clamping base 62 of the present invention includes a fixing base 621 disposed close to the adjusting base 61 , a clamping base 622 is fastened on the fixing base 621 , and a clamping base 622 for clamping the overhead wire is arranged between the fixing base 621 and the clamping base 622 . Clamping gap, the fixing seat 621 and the clamping seat 622 are screwed and connected by the screw 623, the overhead wire is clamped and adjusted on the fixing seat 621 and the clamping seat 622, which is convenient for the loosening and clamping of the overhead wire, and it is convenient for adjusting the overhead wire sag.

In addition, the fixing base 621 is slidably connected with the adjusting base 61 , and a wedge-shaped chute 624 is arranged on the adjusting base 61 parallel to the moving direction of the adjusting base 61 . There is a wedge-shaped sliding block 625 embedded in the wedge-shaped sliding groove 624, and the wedge-shaped sliding groove 625 is filled with a buffer spring 626 in contact with the wedge-shaped sliding block 624. side.

When the distance between the overhead wires is increased in the horizontal direction by the rotating adjustment device 4 on the side bracket empty pole 2, since the length of the cables on the side bracket empty pole 2 is constant, for this reason, increasing the distance between the cables will cause the cables It is tight, because the fixed seat 621 is slidingly connected with the adjustment base 61, and the buffer spring 626 provides a buffer for the installation of the fixed seat 621, so that when the cable is tensioned, it is squeezed by the fixed seat 621. Set in the wedge-shaped chute The buffer spring 626 in 624 avoids the problem of cable breakage due to tension, and facilitates the adjustment of the spacing and sag of the overhead lines.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The overhead line inlet device is characterized by comprising a middle overhead rod (1) which is erected on a mobile substation vehicle, wherein two sides of the middle overhead rod (1) are respectively provided with a side overhead rod (2) and an auxiliary adjusting rod (3), and the side overhead rod (2) and the auxiliary adjusting rod (3) are respectively rotatably installed on the mobile substation vehicle;

and a terminal seat (5) for fixing the overhead line is arranged on the side support overhead rod (2), and a clamping adjusting seat (6) for adjusting the tightness of the overhead line is arranged on the auxiliary adjusting rod (3).

2. An overhead line lead-in device according to claim 1, characterized in that said side overhead mast (2) and said auxiliary adjusting mast (3) are mounted on the mobile tram by means of a rotary adjusting device (4), respectively;

rotatory adjusting device (4) are including installing fixed baseplate (41) on the mobile substation car, be provided with horizontal spout (42) on fixed baseplate (41), install translation slider (43) in horizontal spout (42), it is connected with swing base pole (44) to rotate on translation slider (43), the swing direction perpendicular to of swing base pole (44) the moving direction of translation slider (43) is located swing base pole (44) both sides be provided with limiting plate (45) on fixed baseplate (41), be provided with on fixed baseplate (41) and be on a parallel with translation spout (46) that horizontal spout (42) set up, be provided with on limiting plate (45) and inlay the dress and be in translation smooth roller (47) in translation spout (46).

3. An overhead line incoming line device according to claim 2, characterized in that a push screw (49) is arranged in the transverse sliding groove (42), one end of the push screw (49) is rotatably connected with the fixed base (41), the other end of the push screw (49) penetrates through the fixed base (41) and is provided with a rotating handle, and a through screw hole which is rotatably connected with the push screw (49) is arranged on the translation sliding block (43).

4. An overhead line inlet device according to claim 2, wherein the limit plate (45) is provided with a swing limit screw (48); the swing limiting screw (48) penetrates through the swing base rod (44) and is rotationally connected with the swing base rod (44), an arc-shaped sliding groove (481) used for the swing limiting screw (48) to move is arranged on the limiting plate (45), and a positioning nut (482) is mounted on the swing limiting screw (48) in a rotating mode.

5. An overhead line incoming device according to claim 4, wherein the limiting plate (45) is provided with a bracing device connected with the positioning nut (482);

the inclined strut device comprises two inclined strut bases (483) which are arranged at two sides of the swing limit screw (48); the inclined strut base (483) is rotatably connected with the limiting plate (45), an inclined strut screw rod (484) is rotatably installed on the inclined strut base (483), and one end, away from the inclined strut base (483), of the inclined strut screw rod (484) is provided with a ring sleeve (485) sleeved on the positioning nut (482).

6. An overhead line feeding device according to claim 2, characterized in that said swinging base bar (44) is connected to said side-mounted overhead bar (2) or said auxiliary adjusting bar (3).

7. An overhead line incoming device according to claim 1, wherein the terminal block (5) is slidably connected to the side overhead line (2), the terminal block (5) comprises a mounting base (51) mounted on the side overhead line (2), a knob insulator (52) for fixing an overhead line is mounted on the mounting base (51), a guide chute (21) is arranged on the side overhead line (2) along the length direction of the side overhead line (2), and the mounting base (51) is embedded in the guide chute (21); a movable screw rod (22) is arranged in the guide sliding groove (21) along the length direction of the guide sliding groove (21); the mounting base (51) is provided with a through hole for screwing connection with the movable screw rod (22).

8. The overhead line wire inlet device according to claim 1, wherein the clamping adjusting seat (6) is slidably connected with the auxiliary adjusting rod (3), the clamping adjusting seat (6) comprises an adjusting base (61) installed on the auxiliary adjusting rod (3), a clamping base (62) for clamping and fixing an overhead line is installed on the adjusting base (61), a moving chute (31) is arranged on the auxiliary adjusting rod (3) along the length direction of the auxiliary adjusting rod (3), and the adjusting base (61) is slidably installed in the moving chute (31); an adjusting screw rod (32) is arranged in the movable sliding chute (31) along the length direction of the movable sliding chute (31); the adjusting base (61) is provided with a screw hole for screwing connection with the adjusting screw rod (32).

9. The overhead line inlet device of claim 8, wherein the clamping base (62) comprises a fixing base (621) close to the adjusting base (61), the fixing base (621) is buckled with a clamping base (622), a clamping gap is formed between the fixing base (621) and the clamping base (622), and the fixing base (621) is screwed with the clamping base (622) through a screw (623).

10. The overhead line incoming line device according to claim 9, wherein the fixing seat (621) is slidably connected to the adjusting base (61), a wedge-shaped sliding groove (624) parallel to the moving direction of the adjusting base (61) is disposed on the adjusting base (61), a wedge-shaped sliding block (625) embedded in the wedge-shaped sliding groove (624) is disposed on one side end surface of the fixing seat (621) close to the adjusting base (61), a buffer spring (626) in contact with the wedge-shaped sliding block (624) is filled in the wedge-shaped sliding groove (625), and the buffer spring (626) is disposed on one side of the wedge-shaped sliding groove (625) close to the rotary adjusting device (4).

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