阅读说明：本技术 一种新型吊式结构的共厢式断路器及其安装方法 (Novel common-chamber type circuit breaker with hanging structure and mounting method thereof ) 是由 高建民 高碧寒 于 2019-08-29 设计创作，主要内容包括：本发明适用于电力设备安装技术领域,提供了一种新型吊式结构的共厢式断路器及其安装方法,包括断路器本体,所述断路器本体包括有箱体,所述箱体外侧的顶部设置有起吊架,所述起吊架包括有底板和与底板垂直焊接的固定板,所述固定板螺栓连接在箱体上,所述底板顶部两端均焊接有U型槽,所述U型槽两端均垂直贯穿有吊钩,远离U型槽的所述吊装螺栓的一端通过螺母连接有起吊板,所述起吊板一端设置有与吊装螺栓配合的通孔、另一端于端部设置有叉槽；所述起吊板与U型槽之间插接有横担,所述断路器通过横担固定在电杆上；所述断路器还通过电缆连接有变压器。能实现进一步保证断路器工作时安全可靠。(The invention is suitable for the technical field of power equipment installation, and provides a novel hanging type structure common-compartment type circuit breaker and an installation method thereof, wherein the circuit breaker comprises a circuit breaker body, the circuit breaker body comprises a box body, the top of the outer side of the box body is provided with a lifting frame, the lifting frame comprises a bottom plate and a fixing plate vertically welded with the bottom plate, the fixing plate is connected to the box body through a bolt, two ends of the top of the bottom plate are both welded with a U-shaped groove, two ends of the U-shaped groove are both vertically penetrated with a lifting hook, one end of the lifting bolt far away from the U-shaped groove is connected with a lifting plate through a nut, one end of the lifting plate is provided with a through hole matched with the; a cross arm is inserted between the lifting plate and the U-shaped groove, and the breaker is fixed on an electric pole through the cross arm; the circuit breaker is also connected with a transformer through a cable. The safety and the reliability of the breaker during operation can be further ensured.)

1. The utility model provides a novel hang formula structure altogether van-type circuit breaker, includes the circuit breaker body, its characterized in that, the circuit breaker body is including box (1), the top in the box (1) outside is provided with gallows (2), it includes bottom plate (21) and fixed plate (22) with bottom plate (21) vertical welding to play gallows (2), fixed plate (22) bolted connection is on box (1), U type groove (23) have all been welded at bottom plate (21) top both ends, U type groove (23) both ends have all run through lifting hook (24) perpendicularly, lifting hook (24) pass through bolted connection on U type groove (23), lifting hook (24) are located U type groove (23) inside department and are rotated and are connected with hoisting bolt (25), keep away from U type groove (23) the one end of hoisting bolt (25) is connected with through the nut and plays hanger plate (26), one end of the hoisting plate (26) is provided with a through hole matched with the hoisting bolt (25), and the other end of the hoisting plate is provided with a fork groove, wherein the groove width of the fork groove is matched with the diameter of the hoisting bolt (25);

a cross arm (27) is inserted between the lifting plate (26) and the U-shaped groove (23), and the circuit breaker is fixed on an electric pole through the cross arm (27);

the circuit breaker is further connected with a transformer (3) through a cable, the transformer (3) is a dry-type transformer and adopts an external PT, and the bottom end of the transformer (3) is connected to a transformer bracket (31) through a bolt;

the aviation plug box is characterized in that an aviation slot (11) is further arranged below the box body (1), an aviation plug (12) is inserted into the aviation slot (11), and the aviation plug (12) is connected with the controller (4) through a connecting cable.

2. The novel hanging type structure common-box type circuit breaker is characterized in that two sides of the outer portion of the box body are respectively provided with an incoming line sleeve (13) and an outgoing line sleeve (14), the box body (1) on the same side is provided with a protection support (15), the box body (1) is further provided with a separation and combination indicator (16), a manual energy storage handle (17) and an energy storage indicator (18), and the separation and combination indicator (16) is provided with a manual separation and combination handle (19).

3. The novel hanging type structure of the common-box type circuit breaker according to claim 1, wherein a vacuum interrupter (5) is arranged inside the box body, two ends of the vacuum interrupter (5) are respectively connected with the incoming bushing (13) and the outgoing bushing (14), and the connecting end of the vacuum interrupter and the incoming bushing (13) is further connected with the switching system (6).

4. A novel hanging type structure of the common chamber type breaker as claimed in claim 1, wherein the top end of the box body is provided with a gravity center line, and the lifting frame (2) is arranged on both sides of the gravity center line on average.

5. The installation method of the novel hanging type structure common-compartment type circuit breaker is applied to the novel hanging type structure common-compartment type circuit breaker according to any one of claims 1 to 4, and is characterized in that one end of the transformer support (31) is connected to an electric pole through a U-shaped hoop, the other end of the transformer support is connected with one end of a support inclined strut (311) through a bolt, the other end of the support inclined strut (311) is located at the bottom end of the transformer support (31) and fixed on the electric pole through the hoop, and a triangle is formed among the transformer support (31), the support inclined strut (311) and the electric pole.

6. The method for installing a novel ceiling-mounted structure common-box type circuit breaker according to claim 5, wherein both ends of the controller (4) are fixed on the electric pole through hoops.

7. The method for installing the common-box circuit breaker with the novel hanging structure is characterized in that the method is applied to an individual electric pole, the lifting plate (26) and the hoisting bolt (25) are locked through a nut, one end of the cross arm (27) is fixed on the electric pole through a hoop, the other end of the cross arm is connected with one end of a cross arm diagonal brace (271), the other end of the cross arm diagonal brace (271) is positioned at the upper end of the cross arm (27) and is connected to the electric pole through the hoop, and a triangle is formed among the cross arm (27), the cross arm diagonal brace (271) and the electric pole;

the transformer (3) is installed on the opposite side of the circuit breaker, and the controller (4) and the transformer (3) are installed on the same side.

8. The method for installing the common-box type circuit breaker with the novel hanging structure is characterized in that the distance between the circuit breaker and the electric pole is 0.3m, the distance between the top end of the transformer (3) and the bottom end of the circuit breaker is more than 0.5m, the distance between the transformer (3) and the electric pole is more than 0.3m, the distance between the top end of the controller (4) and the bottom end of the bracket inclined strut (311) is more than 0.5m, and the bottom end of the controller (4) is 2.5-3m away from the ground.

9. The mounting method of the novel hanging-type structure common-box type circuit breaker is characterized in that the mounting method is applied to a double-pole, the lifting plate (26) and the lifting bolt (25) are locked through a nut, the cross arm (27) is vertically connected to two fixing frames (7) through a bolt, two ends of the two fixing frames (7) are fixed on the pole through anchor ears, and the two sides of the pole are reinforced by bolts penetrating through the two fixing frames (7);

the transformer (3) and the controller (4) are installed oppositely and are respectively installed on the two electric poles.

10. The method for installing the common-box type circuit breaker with the novel hanging structure according to claim 9, wherein the distance between the circuit breaker and two electric poles is greater than 0.5m, the distance between the top end of the transformer (3) and the bottom end of the circuit breaker is greater than 1 m, the distance between the transformer (3) and the electric poles is 0.3m, the distance between the top end of the controller (4) and the bottom end of the circuit breaker is greater than 0.5m, the distance between the controller (4) and the transformer (3) is greater than 0.5m, and the distance between the bottom end of the controller (4) and the ground is 2.5-3 m.

Technical Field

The invention belongs to the technical field of power equipment installation, and particularly relates to a novel hanging type structure common-compartment type circuit breaker and an installation method thereof.

Background

The circuit breaker, especially the high-voltage outdoor circuit breaker, especially the circuit breaker used as the sectionalizing switch and the tie switch in the overhead looped network line of 10KV and 13KV city and rural power distribution network, and the circuit breaker can implement the load distribution of the looped network line, and can be used as the demarcation switch (commonly called the watchdog) in the branch line of the large user power supply, and the feeder line overhead distribution network is used as the recloser and the sectionalizer, and is the automatic switch device in the high-voltage transmission line. Generally, the volume is large and the weight is heavy. The hoisting of the pole-mounted circuit breaker usually requires a crane operation, and personnel are put on the pole to cooperate.

At present, in hoist and mount and installation, because mounted position and cooperation condition cause the installation unstability easily, the slope accident often appears, and moreover, the too big or undersize of distance between the circuit breaker can cause partial function can not realize.

Therefore, it is desirable to provide a novel hanging type common-chamber circuit breaker and a mounting method thereof, which ensure the safety and stability of hanging and mounting.

Disclosure of Invention

The embodiment of the invention provides a novel hanging type structure common-chamber type circuit breaker, and aims to solve the problem that the circuit breaker is unstable in hanging and installation in the prior art.

The embodiment of the invention is realized in such a way that a common-compartment type circuit breaker with a novel hanging type structure comprises a circuit breaker body, wherein the circuit breaker body comprises a box body, a hanging bracket is arranged at the top of the outer side of the box body and comprises a bottom plate and a fixed plate vertically welded with the bottom plate, the fixed plate is connected onto the box body through a bolt, U-shaped grooves are welded at two ends of the top of the bottom plate, lifting hooks vertically penetrate through two ends of each U-shaped groove and are connected onto the U-shaped grooves through bolts, the lifting hooks are rotatably connected with lifting bolts at positions inside the U-shaped grooves, one ends of the lifting bolts far away from the U-shaped grooves are connected with a hanging plate through nuts, one ends of the hanging plates are provided with through holes matched with the lifting bolts, the other ends of the lifting plates are provided with fork grooves, and the groove widths;

a cross arm is inserted between the lifting plate and the U-shaped groove, and the breaker is fixed on an electric pole through the cross arm;

the circuit breaker is also connected with a transformer through a cable, the transformer is a dry-type transformer and adopts an external PT, and the bottom end of the transformer is connected to a transformer bracket through a bolt;

the aviation plug is inserted in the aviation slot, and the aviation plug is connected with the controller through a connecting cable.

Furthermore, the two sides of the outside of the box body are respectively provided with a wire inlet sleeve and a wire outlet sleeve, the box body at the same side is provided with a protective support, the box body is further provided with a separation and combination indicator, a manual energy storage handle and an energy storage indicator, and the separation and combination indicator is provided with the manual separation and combination handle.

Furthermore, a vacuum arc extinguish chamber is arranged inside the box body, two ends of the vacuum arc extinguish chamber are respectively connected with the wire inlet sleeve and the wire outlet sleeve, and the end connected with the wire inlet sleeve is also connected with a switching-on/off system.

Furthermore, a gravity center line is arranged at the top end of the box body, and the lifting frames are averagely arranged on two sides of the gravity center line.

The embodiment of the invention also provides an installation method of the novel hanging type structure common-box type circuit breaker, which is applied to the novel hanging type structure common-box type circuit breaker.

Furthermore, both ends of the controller are fixed on the electric pole through anchor ears.

Furthermore, the mounting method is applied to an individual electric pole, the lifting plate and the lifting bolt are locked through nuts, one end of the cross arm is fixed on the electric pole through a hoop, the other end of the cross arm is connected with one end of a cross arm diagonal strut, the other end of the cross arm diagonal strut is located at the upper end of the cross arm and is connected to the electric pole through the hoop, and a triangle is formed among the cross arm, the cross arm diagonal strut and the electric pole;

the transformer is installed in the opposite sides of the circuit breaker, and the controller and the transformer are installed on the same side.

Further, the distance of circuit breaker and pole is 0.3m, the distance of transformer top and circuit breaker bottom is greater than 0.5m, the distance of transformer and pole is greater than 0.3m, the distance of controller top and support bracing bottom is greater than 0.5m, the controller bottom is 2.5-3m from ground.

Furthermore, the mounting method is applied to the double-pole, the lifting plate and the lifting bolts are locked through nuts, the cross arm is vertically connected to the two fixing frames through bolts, two ends of the two fixing frames are fixed on the pole through anchor ears, and the two sides of the pole are reinforced by bolts penetrating through the two fixing frames;

the transformer and the controller are installed oppositely and are respectively installed on the two electric poles.

Further, the circuit breaker respectively with two between the pole distance be greater than 0.5m, the top of transformer is greater than 1 meter with the distance of circuit breaker bottom, the distance of transformer and pole is 0.3m, the distance of controller top and circuit breaker bottom is greater than 0.5m, the distance between controller and the transformer is greater than 0.5m, the controller bottom with leave ground 2.5-3 m.

Compared with the prior art, the common-chamber type circuit breaker with the novel hanging type structure and the installation method thereof have the following beneficial effects:

compared with the prior art, the common-van-type circuit breaker with the novel hanging structure and the installation method thereof have the advantages that the hoisting device is adopted, the cross arm is arranged on the electric pole, the hoisting and installation can be stable and reliable, the single electric pole and the double electric poles adopt different hoisting and installation methods, after the installation is completed, the distances among all the parts are ensured within an effective and safe distance, and the safety and the reliability of the circuit breaker during working can be further ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of an internal structure of a common-chamber circuit breaker according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a common-chamber circuit breaker according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a hoisting device of a common-box circuit breaker according to an embodiment of the present invention;

fig. 4 is a schematic view of a single-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention;

fig. 5 is a schematic view of a double-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention;

fig. 6 is a schematic view of a double-rod hoisting installation structure of a common-chamber circuit breaker according to an embodiment of the present invention.

Reference numerals:

1-box body, 11-aviation slot, 12-aviation plug, 13-wire inlet sleeve, 14-wire outlet sleeve, 15-protective support, 16-opening and closing indication, 17-manual energy storage handle, 18-energy storage indication, 19-manual opening and closing handle, 2-lifting bracket, 21-bottom plate, 22-fixing plate, 23-U-shaped groove, 24-lifting hook, 25-lifting bolt, 26-lifting plate, 27-cross arm, 271-cross arm inclined strut, 3-transformer, 31-transformer support, 311-support inclined strut, 4-controller, 5-vacuum arc extinguish chamber, 6-opening and closing brake system and 7-fixing frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to effectively explain embodiments of the present invention, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Compared with the prior art, as shown in fig. 1-6, the common-chamber circuit breaker with the novel hanging structure and the installation method thereof provided by the invention comprise the box body and the lifting frame, and the lifting and installation of the circuit breaker can be stable and reliable.