阅读说明：本技术 一种换流站的活动金具 (Movable hardware fitting of converter station ) 是由 程永锋 林森 卢智成 孙宇晗 张谦 孟宪政 朱祝兵 刘振林 李圣 高坡 于 2020-12-31 设计创作，主要内容包括：本发明提供一种换流站的活动金具,包括：上滑动钳(1)、上滑动槽(4)、下滑动钳(5)、下滑动槽(6)和连杆(7)；下滑动槽(6)的底端与连杆(7)的一端固定连接；下滑动钳(5)的一端与下滑动槽(6)进行滑动连接,下滑动钳(5)的另一端与上滑动槽(4)的底端固定连接；上滑动钳(1)的一端与上滑动槽(4)进行滑动连接；上滑动槽(4)和下滑动槽分别沿与连杆轴向相垂直的第一水平方向和第二水平方向进行设置。本发明提供的活动金具可以避免外界风荷载或设备机械操作力造成换流站的其他电气设备与换流变压器之间在竖向的错位导致的导线拉拽,减小导线拉断或是设备端子在导线拉力下损坏的风险。(The invention provides a movable fitting of a converter station, which comprises: the device comprises an upper sliding clamp (1), an upper sliding groove (4), a lower sliding clamp (5), a lower sliding groove (6) and a connecting rod (7); the bottom end of the lower sliding groove (6) is fixedly connected with one end of the connecting rod (7); one end of the lower sliding clamp (5) is connected with the lower sliding groove (6) in a sliding manner, and the other end of the lower sliding clamp (5) is fixedly connected with the bottom end of the upper sliding groove (4); one end of the upper sliding clamp (1) is connected with the upper sliding groove (4) in a sliding way; the upper sliding groove (4) and the lower sliding groove are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod. The movable hardware fitting provided by the invention can avoid the wire pulling caused by vertical dislocation between other electrical equipment of the converter station and the converter transformer due to external wind load or mechanical operation force of the equipment, and reduce the risk of wire breakage or damage of equipment terminals under the wire pulling force.)

1. A movable fitting of a converter station, comprising: the device comprises an upper sliding clamp (1), an upper sliding groove (4), a lower sliding clamp (5), a lower sliding groove (6) and a connecting rod (7);

the bottom end of the lower sliding groove (6) is fixedly connected with one end of a connecting rod (7);

one end of the lower sliding clamp (5) is connected with the lower sliding groove (6) in a sliding manner, and the other end of the lower sliding clamp (5) is fixedly connected with the bottom end of the upper sliding groove (4);

one end of the upper sliding clamp (1) is connected with the upper sliding groove (4) in a sliding manner;

the upper sliding groove (4) and the lower sliding groove (6) are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod (7).

2. The movable fitting of claim 1, wherein the first horizontal direction and the second horizontal direction are perpendicular to each other.

3. The movable fitting according to claim 1 or 2, characterized in that the upper sliding groove (4) comprises: the hollow groove-shaped structure is composed of an upper sliding connecting plate (41), an upper anti-falling baffle (43) and two upper sliding groove baffles (42);

the top ends of the two upper sliding groove baffles (42) are respectively connected with the two opposite ends of the upper sliding connecting plate (41), and the bottom ends of the two upper sliding groove baffles are respectively connected with the two opposite ends of the upper anti-falling baffle (43);

and a first opening (44) which is used for limiting the upper sliding pliers (1) and is arranged along the groove structure extending direction of the upper sliding groove (4) is arranged on the upper sliding connecting plate (41).

4. The movable fitting according to claim 3, characterized in that the head end of the upper sliding jaw (1) is enclosed in the channel structure of the upper sliding channel (4) and slides along the elongation direction of the channel structure, and the tail end of the upper sliding jaw (1) protrudes out of the channel structure of the upper sliding channel (4) through the first opening (44).

5. The movable hardware tool according to claim 3, characterized in that the plate surfaces of the two upper sliding groove baffles (42) are perpendicular to the plate surfaces of the two upper sliding connecting plates (41) and the upper anti-falling baffle (43), respectively.

6. The movable fitting according to claim 1 or 2, characterized in that the lower sliding groove (6) comprises: the hollow groove-shaped structure is composed of a lower sliding connecting plate (61), a lower anti-falling baffle (63) and two lower sliding groove baffles (62);

the top ends of the two lower sliding groove baffles (62) are respectively connected with the two opposite ends of the lower sliding connecting plate (61), and the bottom ends of the two lower sliding groove baffles are respectively connected with the two opposite ends of the lower anti-falling baffle (63);

and a second opening (64) which limits the lower sliding clamp (5) and is arranged along the groove structure extending direction of the lower sliding groove (6) is arranged on the lower sliding connecting plate (61).

7. The movable hardware fitting according to claim 1 or 2, characterized in that the head end of the lower sliding clamp (5) is encapsulated in the groove-shaped structure of the lower sliding groove (6) and slides along the extension direction of the groove-shaped structure, and the tail end of the lower sliding clamp (5) extends out of the groove-shaped structure of the lower sliding groove (6) through the second opening (64) and is connected with the upper anti-falling baffle (43).

8. The movable hardware tool according to claim 7, characterized in that the plate surfaces of the two lower sliding groove baffles (62) are perpendicular to the plate surfaces of the two lower sliding connection plates (61) and the lower anti-falling baffle (63), respectively.

9. A converter station, characterized in that a converter transformer (9) in said station is connected to other electrical equipment (12) in the station by means of a movable fitting according to any of claims 1-8.

10. A converter station according to claim 9, characterized in that the other end of the connecting rod (7) in said movable fitting is connected to the terminal block of the converter transformer (9), and that the other end of the upper sliding clamp (1) in said movable fitting is connected to other electrical equipment (12) in the converter station via the tubular busbar (2).

Technical Field

The invention relates to a movable fitting, in particular to a movable fitting of a converter station.

Background

In the design of present converter station, other electrical equipment have often been arranged on the converter transformer firewall, and converter transformer passes through tubular bus with other electrical equipment on the firewall and is connected, and its connection rigidity degree of current link fitting is great and the structure is comparatively simple, causes link fitting to break off easily under the effect of external wind load or equipment mechanical operation power, has increased on the terminal and between the tubular bus the risk of breaking of connecting wire or equipment terminal damage under the wire pulling force.

Disclosure of Invention

Aiming at the problem that in the prior art, a connecting fitting between a converter transformer (9) and other electrical equipment on a converter station firewall easily causes a disconnecting risk under the action of external force, the invention provides a movable fitting of a converter station, which comprises the following components: the device comprises an upper sliding clamp (1), an upper sliding groove (4), a lower sliding clamp (5), a lower sliding groove (6) and a connecting rod (7);

the bottom end of the lower sliding groove (6) is fixedly connected with one end of a connecting rod (7);

one end of the lower sliding clamp (5) is connected with the lower sliding groove (6) in a sliding manner, and the other end of the lower sliding clamp (5) is fixedly connected with the bottom end of the upper sliding groove (4);

one end of the upper sliding clamp (1) is connected with the upper sliding groove (4) in a sliding manner;

the upper sliding groove (4) and the lower sliding groove are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod.

Preferably, the first horizontal direction and the second horizontal direction are perpendicular to each other.

Preferably, the upper sliding groove (4) includes: the hollow groove-shaped structure is composed of an upper sliding connecting plate (41), an upper anti-falling baffle (43) and two upper sliding groove baffles (42);

the top ends of the two upper sliding groove baffles (42) are respectively connected with the two opposite ends of the upper sliding connecting plate (41), and the bottom ends of the two upper sliding groove baffles are respectively connected with the two opposite ends of the upper anti-falling baffle (43);

and a first opening (44) which is used for limiting the upper sliding pliers (1) and is arranged along the groove structure extending direction of the upper sliding groove (4) is arranged on the upper sliding connecting plate (41).

Preferably, the head end of the upper sliding clamp (1) is packaged in the groove-shaped structure of the upper sliding groove (4) and slides along the extending direction of the groove-shaped structure, and the tail end of the upper sliding clamp (1) extends out of the groove-shaped structure of the upper sliding groove (4) through the first opening (44).

Preferably, the plate surfaces of the two upper sliding groove baffles (42) are respectively perpendicular to the plate surfaces of the two upper sliding connecting plates (41) and the upper anti-falling baffle (43).

Preferably, the lower sliding groove (6) includes: the hollow groove-shaped structure is composed of a lower sliding connecting plate (61), a lower anti-falling baffle (63) and two lower sliding groove baffles (62);

the top ends of the two lower sliding groove baffles (62) are respectively connected with the two opposite ends of the lower sliding connecting plate (61), and the bottom ends of the two lower sliding groove baffles are respectively connected with the two opposite ends of the lower anti-falling baffle (63);

and a second opening (64) which limits the lower sliding clamp (5) and is arranged along the groove structure extending direction of the lower sliding groove (6) is arranged on the lower sliding connecting plate (61).

Preferably, the head end of the lower sliding clamp (5) is packaged in the groove-shaped structure of the lower sliding groove (6) and slides along the extension direction of the groove-shaped structure, and the tail end of the lower sliding clamp (5) extends out of the groove-shaped structure of the lower sliding groove (6) through the second opening (64) and is connected with the upper anti-falling baffle (43).

Preferably, the plate surfaces of the two lower sliding groove baffles (62) are respectively perpendicular to the plate surfaces of the two lower sliding connecting plates (61) and the lower anti-falling baffle (63).

A converter station in which a converter transformer (9) is connected to other electrical equipment (12) in the station by means of a movable fitting according to any of claims 1-8.

Preferably, the other end of the connecting rod (7) in the movable fitting is connected with a terminal board of a converter transformer (9), and the other end of the upper sliding clamp (1) in the movable fitting is connected with other electrical equipment (12) in the converter station through a tubular bus (2).

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a movable fitting of a converter station, which comprises: the device comprises an upper sliding clamp (1), an upper sliding groove (4), a lower sliding clamp (5), a lower sliding groove (6) and a connecting rod (7); the bottom end of the lower sliding groove (6) is fixedly connected with one end of a connecting rod (7); one end of the lower sliding clamp (5) is connected with the lower sliding groove (6) in a sliding manner, and the other end of the lower sliding clamp (5) is fixedly connected with the bottom end of the upper sliding groove (4); one end of the upper sliding clamp (1) is connected with the upper sliding groove (4) in a sliding manner; the upper sliding groove (4) and the lower sliding groove are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod. The movable hardware fitting provided by the invention can avoid the wire pulling caused by vertical dislocation between other electrical equipment of the converter station and the converter transformer due to external wind load or mechanical operation force of the equipment, and reduce the risk of wire breakage or damage of equipment terminals under the wire pulling force.

Drawings

Fig. 1 is a structure diagram of a movable hardware fitting of a converter station according to the present invention;

FIG. 2 is a schematic diagram of the connection between a converter transformer and other electrical equipment according to the present invention;

fig. 3 is a structure diagram of an upper sliding chute of a movable fitting of a converter station according to the present invention, wherein (a) is a front view of the upper sliding chute, and (b) is a top view of the upper sliding chute;

fig. 4 is a structure diagram of a lower sliding chute of a movable fitting of a converter station, wherein (a) is a front view of the lower sliding chute, and (b) is a top view of the lower sliding chute;

wherein, the upper sliding clamp 1; an upper sliding groove 4; an upper slide attachment plate 41; an upper chute baffle 42; an upper anti-drop baffle 43; a first opening 44; a lower sliding jaw 5; a lower sliding groove 6; a lower slide connecting plate 61; a lower chute baffle 62; a lower retaining plate 63; a second opening 64; a tubular bus bar 2; a connecting rod 7; a converter transformer 9; a terminal plate 8; a wire 3; a movable hardware fitting 11; the other electrical devices 12; the other electrical devices are connected to the fittings 13.

Detailed Description

Example 1

To solve the problems in the prior art, the present invention provides a movable hardware fitting for a converter station, as shown in fig. 1, including: the device comprises an upper sliding clamp 1, an upper sliding groove 4, a lower sliding clamp 5, a lower sliding groove 6 and a connecting rod 7;

in the present embodiment, the movable hardware 11 at the connection point in the prior art or the conventional design is generally a fixed hardware, and the present invention improves the fixed hardware into the movable hardware. The converter transformer is connected with other electrical equipment 12 as shown in fig. 2, and the interconnection bus between the network-side bushing of the converter transformer and the other electrical equipment 12 is connected through a bus or a split conductor.

Wherein, the bottom end of the lower sliding groove 6 is fixedly connected with one end of a connecting rod 7; one end of the lower sliding clamp 5 is connected with the lower sliding groove 6 in a sliding manner, and the other end of the lower sliding clamp 5 is fixedly connected with the bottom end of the upper sliding groove 4; one end of the upper sliding clamp 1 is connected with the upper sliding groove 4 in a sliding manner; the upper sliding groove 4 and the lower sliding groove are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod. And the first horizontal direction and the second horizontal direction are perpendicular to each other.

The upper slide groove 4, as shown in fig. 3, includes: a hollow groove-shaped structure consisting of an upper sliding connecting plate 41, an upper anti-falling baffle 43 and two upper sliding groove baffles 42;

wherein, the top ends of the two upper sliding groove baffles 42 are respectively connected with the two opposite ends of the upper sliding connecting plate 41, and the bottom ends thereof are respectively connected with the two opposite ends of the upper anti-falling baffle 43; the upper sliding connecting plate 41 is provided with a first opening 44 which limits the upper sliding clamp 1 and is arranged along the groove structure extending direction of the upper sliding groove 4.

The head end of the upper sliding clamp 1 is encapsulated in the groove-shaped structure of the upper sliding groove 4 and slides along the extending direction of the groove-shaped structure, and the tail end of the upper sliding clamp 1 extends out of the groove-shaped structure of the upper sliding groove 4 through the first opening 44.

The plate surfaces of the two upper sliding groove baffles 42 are respectively perpendicular to the plate surfaces of the two upper sliding connecting plates 41 and the upper anti-falling baffle 43.

The lower slide groove 6, as shown in fig. 4, includes: a hollow groove-shaped structure consisting of a lower sliding connecting plate 61, a lower anti-falling baffle 63 and two lower sliding groove baffles 62;

wherein, the top ends of the two lower sliding groove baffles 62 are respectively connected with the two opposite ends of the lower sliding connecting plate 61, and the bottom ends thereof are respectively connected with the two opposite ends of the lower anti-drop baffle 63; the lower sliding connecting plate 61 is provided with a second opening 64 which limits the lower sliding clamp 5 and is arranged along the groove structure extending direction of the lower sliding groove 6.

The head end of the lower sliding clamp 5 is packaged in the groove-shaped structure of the lower sliding groove 6 and slides along the extending direction of the groove-shaped structure, and the tail end of the lower sliding clamp 5 extends out of the groove-shaped structure of the lower sliding groove 6 through the second opening 64 and is connected with the upper anti-falling baffle 43.

The plate surfaces of the two lower sliding groove baffles 62 are respectively perpendicular to the plate surfaces of the two lower sliding connecting plates 61 and the lower anti-falling baffle 63.

In this embodiment, a converter transformer inside the converter station is connected to other electrical devices in the converter station through the movable hardware provided by the present invention.

The other end of the connecting rod 7 in the movable hardware fitting is connected with a wiring terminal plate of the converter transformer, and the other end of the upper sliding clamp 1 in the movable hardware fitting is connected with other electrical equipment in the converter station through a tubular bus.

The connection mode in the invention comprises the following steps: any one of bolting, riveting or welding.

Example 2

The invention discloses a movable fitting of a converter station, which is shown in figure 1 and comprises: the clamp comprises an upper sliding clamp 1, an upper sliding groove 4, a lower sliding clamp 5, a lower sliding groove 6 and a connecting rod 7.

The equipment which has indirect relation with the movable hardware fitting in the invention also comprises: the converter transformer substation, the converter transformer 9, other electrical equipment 12 and other electrical equipment connecting fittings 13.

In this embodiment, the movable hardware at the connection point in the prior art or the conventional design is usually a fixed hardware, and the invention improves the fixed hardware into the movable hardware, as shown in fig. 1. The converter transformer is connected with other electrical equipment 12 as shown in fig. 2, and the interconnection bus between the network-side bushing of the converter transformer and the other electrical equipment 12 is connected through a bus or a split conductor.

Wherein, the bottom end of the lower sliding groove 6 is fixedly connected with one end of a connecting rod 7; one end of the lower sliding clamp 5 is connected with the lower sliding groove 6 in a sliding manner, and the other end of the lower sliding clamp 5 is fixedly connected with the bottom end of the upper sliding groove 4; one end of the upper sliding clamp 1 is connected with the upper sliding groove 4 in a sliding manner; the upper sliding groove 4 and the lower sliding groove are respectively arranged along a first horizontal direction and a second horizontal direction which are vertical to the axial direction of the connecting rod. And the first horizontal direction and the second horizontal direction are perpendicular to each other. And the first horizontal direction and the second horizontal direction are perpendicular to each other.

The upper slide groove 4, as shown in fig. 3, includes: a hollow groove-shaped structure consisting of an upper sliding connecting plate 41, an upper anti-falling baffle 43 and two upper sliding groove baffles 42;

wherein, the top ends of the two upper sliding groove baffles 42 are respectively connected with the two opposite ends of the upper sliding connecting plate 41, and the bottom ends thereof are respectively connected with the two opposite ends of the upper anti-falling baffle 43; the upper sliding connecting plate 41 is provided with a first opening 44 which limits the upper sliding clamp 1 and is arranged along the groove structure extending direction of the upper sliding groove 4.

The head end of the upper sliding clamp 1 is encapsulated in the groove-shaped structure of the upper sliding groove 4 and slides along the extending direction of the groove-shaped structure, and the tail end of the upper sliding clamp 1 extends out of the groove-shaped structure of the upper sliding groove 4 through the first opening 44.

The plate surfaces of the two upper sliding groove baffles 42 are respectively perpendicular to the plate surfaces of the two upper sliding connecting plates 41 and the upper anti-falling baffle 43.

The lower slide groove 6, as shown in fig. 4, includes: a hollow groove-shaped structure consisting of a lower sliding connecting plate 61, a lower anti-falling baffle 63 and two lower sliding groove baffles 62;

wherein, the top ends of the two lower sliding groove baffles 62 are respectively connected with the two opposite ends of the lower sliding connecting plate 61, and the bottom ends thereof are respectively connected with the two opposite ends of the lower anti-drop baffle 63; the lower sliding connecting plate 61 is provided with a second opening 64 which limits the lower sliding clamp 5 and is arranged along the groove structure extending direction of the lower sliding groove 6.

The head end of the lower sliding clamp 5 is packaged in the groove-shaped structure of the lower sliding groove 6 and slides along the extending direction of the groove-shaped structure, and the tail end of the lower sliding clamp 5 extends out of the groove-shaped structure of the lower sliding groove 6 through the second opening 64 and is connected with the upper anti-falling baffle 43.

The plate surfaces of the two lower sliding groove baffles 62 are respectively perpendicular to the plate surfaces of the two lower sliding connecting plates 61 and the lower anti-falling baffle 63.

In this embodiment, a converter transformer inside the converter station is connected to other electrical devices in the converter station through the movable hardware provided by the present invention.

The other end of the connecting rod 7 in the movable hardware fitting is connected with a wiring terminal plate of the converter transformer, and the other end of the upper sliding clamp 1 in the movable hardware fitting is connected with other electrical equipment in the converter station through a tubular bus.

The connection mode in the invention comprises the following steps: any one of bolting, riveting or welding.

In the present embodiment, the upper caliper 1 is fitted into the upper sliding groove 4, the lower caliper 5 is fitted into the lower sliding groove 6, the upper caliper 1 and the lower caliper 6 can respectively slide linearly along the upper sliding groove 4 and the lower sliding groove 6, and the upper and lower sliding grooves 5 and 6 vertically arranged in the horizontal plane are combined to realize the sliding between the tube nut 2 and the terminal plate 8 in the square area region in any horizontal direction. When the sleeve of the converter transformer 9 is stressed and deformed under the action of an earthquake, the movable hardware fitting 11 consisting of the sliding hardware fitting 10, the tube bus 2 and the fixing device 7 shakes along with the earthquake, and the pushing force or the pulling force in the horizontal plane is dissolved by the fact that the upper sliding clamp 1 and the lower sliding clamp 5 slide in the upper sliding groove 4 and the lower sliding groove 6 along two straight lines. The tube bus 2 is a hard tube bus for connecting the converter transformer 9 and other electrical equipment 12 or can be replaced by a split conductor, wherein the conductor 3 connected with the tube bus 2 is connected with the terminal 8 of the converter transformer 9 by bypassing the movable fitting 11. The movable fittings 13 of other devices enable the terminals 8 of the converter transformer 9 and the device pipe buses interconnected with the terminals to rotate or move mutually through a rotating pair or a moving pair, and when the other devices 12 deform under the action of an earthquake, or the net side sleeve of the converter transformer 9 is disturbed, the movable fittings 11 rotate or move to dissolve the vertical interaction force.

The movable hardware fitting 11 can reduce the risk that other electrical equipment 12 is damaged due to the fact that the other electrical equipment is dragged and pulled by the tube bus 2 under the action of an earthquake. Meanwhile, the movable hardware fitting 11 can ensure that the pipe nut 2 and the terminal board 8 do not break away from each other vertically under the action of external force, and the risk of power failure caused by connection and separation between electrical equipment is reduced.

The movable fitting 11 provided by the invention releases the horizontal degree of freedom by arranging the upper sliding groove 4 and the lower sliding groove 6, thereby reducing the horizontal and vertical interaction force between the converter transformer 9 and other electrical equipment 12, and ensuring that the terminal board 8 and the pipe bus 2 are not separated vertically. The other electrical equipment link fitting 13 releases the degree of freedom of up-and-down rotation or movement, thereby reducing the interaction force between the converter transformer 9 and the other electrical equipment 12.

It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.