CN214012825U - Indoor vacuum circuit breaker convenient to maintenance installation - Google Patents

Abstract

The utility model relates to a vacuum circuit breaker technical field, and an indoor vacuum circuit breaker convenient to maintenance installation is disclosed, including base and circuit breaker body, the last fixed surface of base is equipped with the standing groove, the circuit breaker body is located the inside of standing groove, the upper surface left and right sides of base is the fixed sleeve that is equipped with all, two telescopic inside slides respectively and is provided with first bracing piece and second bracing piece, the left and right sides of circuit breaker body is fixed first pivot and the second pivot of being equipped with respectively, the one end that the circuit breaker body was kept away from in first pivot and second pivot all rotates with the pole wall of first bracing piece and second bracing piece respectively through first antifriction bearing to be connected, and the tip of first pivot is equipped with stop gear, the equal screw thread of lower extreme of first bracing piece and second bracing piece is provided with the lead screw. The utility model discloses not only can upwards lift up the circuit breaker body, can maintain the circuit breaker body angular rotation, the staff of being convenient for to the circuit breaker body moreover.

Description

Indoor vacuum circuit breaker convenient to maintenance installation

Technical Field

The utility model relates to a vacuum circuit breaker technical field especially relates to an indoor vacuum circuit breaker convenient to maintenance installation.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum, and is widely applied to a power distribution network, the vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation. However, most indoor vacuum circuit breakers are installed in a fixed connection mode, and the circuit breakers and the installation frame are welded together, so that the arrangement is very inconvenient for workers to maintain the circuit breakers at regular intervals, and the working efficiency is reduced.

Wherein patent number is CN208077865U, discloses an indoor vacuum circuit breaker convenient to maintenance installation, including circuit breaker body, mounting base, mounting panel, loading board and dust screen, the top of circuit breaker body is provided with the conducting rod, mounting base's front surface is connected with the gag lever post through the connecting axle, the mounting panel sets up the below at mounting base, the one end and the connecting plate reciprocal anchorage of loading board, and the front surface of loading board has the recess in advance, the inside left and right sides symmetry in mounting base's below is fixed with the side piece, and its inside below one side is reserved has the spread groove, dust screen and fan groove interconnect, and fan inslot installs radiator fan.

But can not lift the circuit breaker body and angle modulation in this scheme to be not convenient for the staff to carry out comprehensive maintenance installation to the circuit breaker body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art breaker and not being convenient for overhaul comprehensively to reduced work efficiency's problem, and the indoor vacuum circuit breaker of maintenance installation of being convenient for that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an indoor vacuum circuit breaker convenient to maintain and install comprises a base and a circuit breaker body, wherein a placing groove is fixedly arranged on the upper surface of the base, the circuit breaker body is positioned in the placing groove, sleeves are fixedly arranged on the left side and the right side of the upper surface of the base, a first supporting rod and a second supporting rod are respectively arranged in the two sleeves in a sliding mode, a first rotating shaft and a second rotating shaft are respectively fixedly arranged on the left side and the right side of the circuit breaker body, one ends, far away from the circuit breaker body, of the first rotating shaft and one ends, far away from the circuit breaker body, of the second rotating shaft are respectively and rotatably connected with rod walls of the first supporting rod and the second supporting rod through first rolling bearings, a limiting mechanism is arranged at the end part of the first rotating shaft, lead screws are arranged at the lower ends of the first supporting rod and the second supporting rod in a threaded mode, the base is of a hollow structure, the lower ends of the two lead screws penetrate into the base, and first belt pulleys are fixedly arranged on the rod walls, the inside of base is fixed and is equipped with the motor, the output shaft end of motor is fixed and is equipped with two second belt pulleys, connect through belt transmission between first belt pulley and the second belt pulley.

Preferably, the limiting mechanism comprises a rotating disk and a limiting bolt, the rotating disk is fixedly arranged at the end part of the first rotating shaft, a plurality of first positioning holes which are uniformly distributed are formed in the edge of the side wall of the rotating disk, and a second positioning hole matched with the limiting bolt is formed in the rod wall of the first supporting rod.

Preferably, a rubber pad is fixedly arranged at the groove bottom of the placing groove.

Preferably, the sleeve adopts square sleeve, first bracing piece and second bracing piece all adopt square pole.

Preferably, the left side and the right side of the base are both fixedly provided with mounting blocks.

Preferably, a holding rod is fixedly arranged at the edge of the side wall of the rotating disc.

Compared with the prior art, the utility model provides an indoor vacuum circuit breaker convenient to maintenance installation possesses following beneficial effect:

1. this indoor vacuum circuit breaker convenient to maintenance installation through sleeve, first bracing piece, second bracing piece, lead screw, first belt pulley, motor, second belt pulley and the belt that is equipped with, can upwards lift the circuit breaker body, the staff's of being convenient for maintenance.

2. This indoor vacuum circuit breaker convenient to maintenance installation through first pivot and the second pivot that is equipped with, can make the circuit breaker body realize rotatory function, through rotary disk and the spacing bolt that is equipped with, can carry out spacing fixed after rotatory to a definite angle with the circuit breaker body to the staff of being convenient for maintains the circuit breaker body.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only can upwards lift up the circuit breaker body, can be with circuit breaker body angular rotation moreover, the staff of being convenient for maintains the circuit breaker body.

Drawings

Fig. 1 is a schematic structural diagram of an indoor vacuum circuit breaker convenient for maintenance and installation according to the present invention;

FIG. 2 is a schematic side view of the rotary disk of FIG. 1;

fig. 3 is a schematic top view of the accommodating groove of fig. 1.

In the figure: the circuit breaker comprises a base 1, a circuit breaker body 2, a sleeve 3, a first supporting rod 4, a second supporting rod 5, a first rotating shaft 6, a second rotating shaft 7, a lead screw 8, a first belt pulley 9, a motor 10, a second belt pulley 11, a belt 12, a rotating disc 13, a first positioning hole 14, a limiting bolt 15, a second positioning hole 16, a rubber pad 17, an installation block 18 and a placing groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment 1, referring to fig. 1 to 3, the indoor vacuum circuit breaker convenient for maintenance and installation comprises a base 1 and a circuit breaker body 2, wherein a placement groove 19 is fixedly arranged on the upper surface of the base 1, the circuit breaker body 2 is positioned inside the placement groove 19, sleeves 3 are fixedly arranged on both left and right sides of the upper surface of the base 1, a first support rod 4 and a second support rod 5 are respectively slidably arranged inside the two sleeves 3, a first rotating shaft 6 and a second rotating shaft 7 are respectively fixedly arranged on both left and right sides of the circuit breaker body 2, one ends of the first rotating shaft 6 and the second rotating shaft 7 far away from the circuit breaker body 2 are respectively rotatably connected with the rod walls of the first support rod 4 and the second support rod 5 through a first rolling bearing, a limiting mechanism is arranged at the end of the first rotating shaft 6, a screw rod 8 is arranged at the lower ends of the first support rod 4 and the second support rod 5, the base 1 is of a, the lower extreme of two lead screws 8 all runs through to the inside of base 1 and the pole wall is all fixed and is equipped with first belt pulley 9, and the inside of base 1 is fixed and is equipped with motor 10, and the output shaft end of motor 10 is fixed and is equipped with two second belt pulleys 11, connects through belt 12 transmission between first belt pulley 9 and the second belt pulley 11.

Referring to fig. 1-2, in embodiment 2, based on embodiment 1, the limiting mechanism includes a rotating disk 13 and a limiting bolt 15, the rotating disk 13 is fixedly disposed on an end portion of the first rotating shaft 6, a plurality of first positioning holes 14 are uniformly distributed on an edge of a side wall of the rotating disk 13, and a second positioning hole 16 matched with the limiting bolt 15 is disposed on a rod wall of the first supporting rod 4.

Referring to fig. 3, in embodiment 3, on the basis of embodiment 1, the rubber pad 17 is fixedly arranged at the groove bottom of the placing groove 19, so that the placing stability of the circuit breaker body 2 can be increased.

Referring to fig. 1, embodiment 4 is based on embodiment 1, and its sleeve 3 is a square sleeve, and the first support bar 4 and the second support bar 5 are square bars.

Referring to fig. 1, in embodiment 5, in addition to embodiment 1, the mount blocks 18 are fixedly provided on both left and right sides of the base 1, so that the base 1 can be fixedly provided.

Referring to fig. 1, in embodiment 6, on the basis of embodiment 1, a holding rod is fixedly arranged at the edge of the side wall of a rotating disc 13, so that a worker can rotate the rotating disc 13 conveniently.

In the utility model, when in use, the motor 10 is turned on to work, the motor 10 can drive the two second belt pulleys 11 to rotate, the two second belt pulleys 11 both drive the two first belt pulleys 9 to rotate through the belt 12, thereby enabling the two lead screws 8 to rotate, the two lead screws 8 can simultaneously push the first moving rod 4 and the second moving rod 5 upwards and lift the breaker body 2 upwards, then the worker takes the positioning bolt 15 out of the rotating disc and the first supporting rod 4 and rotates the rotating disc 13, the breaker body 2 can be rotated angularly between the first supporting rod 4 and the second supporting rod 5, the rotating disc 13 is fixed through the positioning bolt 15 after the angular rotation, thereby facilitating the worker to maintain the breaker body 2, when in need of installation, the breaker body 2 is directly adjusted to be in a horizontal state and is moved to the inside of the placing groove 19 through the rotation of the motor 10, the installation of the breaker body 2 can be completed.

Compared with the prior art, the circuit breaker with the angle rotation structure has the advantages that the circuit breaker body 2 can be lifted upwards, the circuit breaker body 2 can rotate by the angle, and the circuit breaker body 2 can be maintained by workers conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An indoor vacuum circuit breaker convenient to maintain and install comprises a base (1) and a circuit breaker body (2), and is characterized in that a placing groove (19) is fixedly arranged on the upper surface of the base (1), the circuit breaker body (2) is located inside the placing groove (19), sleeves (3) are fixedly arranged on the left side and the right side of the upper surface of the base (1), a first supporting rod (4) and a second supporting rod (5) are respectively arranged inside the two sleeves (3) in a sliding mode, a first rotating shaft (6) and a second rotating shaft (7) are respectively fixedly arranged on the left side and the right side of the circuit breaker body (2), one ends, far away from the circuit breaker body (2), of the first rotating shaft (6) and one ends, far away from the circuit breaker body (2), of the second rotating shaft (7) are respectively and rotatably connected with the rod walls of the first supporting rod (4) and the second supporting rod (5) through first rolling bearings, and a limiting mechanism is arranged at the end of the first rotating shaft (6), the equal screw thread of lower extreme of first bracing piece (4) and second bracing piece (5) is provided with lead screw (8), base (1) is hollow structure, two the lower extreme of lead screw (8) all runs through to the inside of base (1) and the pole wall is all fixed and is equipped with first belt pulley (9), the inside of base (1) is fixed and is equipped with motor (10), the output shaft end of motor (10) is fixed and is equipped with two second belt pulleys (11), connect through belt (12) transmission between first belt pulley (9) and second belt pulley (11).

2. An indoor vacuum circuit breaker convenient for maintenance and installation according to claim 1, characterized in that the limiting mechanism comprises a rotary disk (13) and a limiting bolt (15), the rotary disk (13) is fixedly arranged on the end of the first rotating shaft (6), the edge of the side wall of the rotary disk (13) is provided with a plurality of uniformly distributed first positioning holes (14), and the rod wall of the first supporting rod (4) is provided with a second positioning hole (16) matched with the limiting bolt (15).

3. An indoor vacuum circuit breaker facilitating maintenance installation according to claim 1, c h a r a c t e r i z e d in that a rubber pad (17) is fixedly arranged at the bottom of the standing groove (19).

4. An indoor vacuum circuit breaker facilitating maintenance installation according to claim 1, characterized in that the sleeve (3) is a square sleeve and the first (4) and second (5) support bars are square bars.

5. An indoor vacuum circuit breaker facilitating maintenance installation according to claim 1, characterized in that mounting blocks (18) are fixedly provided on both left and right sides of the base (1).

6. An indoor vacuum circuit breaker facilitating maintenance installation according to claim 2, characterized in that a holding bar is fixedly arranged at the edge of the side wall of the rotary disc (13).

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