CN111128578B

CN111128578B - Safety lock catch for high-voltage power distribution cabinet

Info

Publication number: CN111128578B
Application number: CN201911035507.XA
Authority: CN
Inventors: 葛聿彦; 陈朝辉; 常城
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-08-17
Anticipated expiration: 2039-10-29
Also published as: CN111128578A

Abstract

The invention discloses a safety lock catch for a high-voltage power distribution cabinet, relates to the field of safety lock catches for high-voltage power distribution cabinets, aims at solving the problem that the existing safety lock catch for the high-voltage power distribution cabinet is complex in operation, and is easy to cause electric shock hazard, so that the worker has great safety problem, the following proposal is proposed, which comprises a bottom plate, wherein the surface of the bottom plate is fixedly connected with a positioning seat, the left side and the right side of the positioning seat are both provided with a supporting plate, the upper surface of the bottom plate is provided with a plurality of threaded holes, a rotating rod is arranged between the two supporting plates, the surface of the rotating rod is provided with a control switch, the rear end of the control switch is provided with a through hole, the left side surface of the supporting plate on the left side is fixedly connected with a cylinder, a sliding rod is arranged in the cylinder, a circular ring is fixedly connected to the surface of the sliding rod, and a spring is fixedly connected to the right side face of the circular ring and the inner wall of the cylinder. The invention can conveniently carry out locking and has the characteristics of simple operation and high safety.

Description

Safety lock catch for high-voltage power distribution cabinet

Technical Field

The invention relates to the field of safety lock catches for high-voltage power distribution cabinets, in particular to a safety lock catch for a high-voltage power distribution cabinet.

Background

Currently, high voltage power distribution cabinets are rapidly developed along with the increase of electricity consumption in the society at present. At present, high-voltage power distribution cabinets are generally high-voltage power of not less than 300V, and in order to avoid electric shock hazard caused by improper operation and damage of electrical components caused by overload and short circuit, a manual maintenance switch needs to be installed on a high-current main line of the high-voltage power distribution cabinet. The manual maintenance switch plays the effect of protection power in high voltage distribution cabinet circuit, when emergency appears or carries out the battery maintenance installation, can in time break off manual maintenance switch, effectively avoids the electric shock condition because maintenance personal misoperation causes. However, the manual service switch (MSD) in the prior art adopts a dead bolt fixed handle, and an operator cannot use the handle conveniently, so that the manual service switch (MSD) is inconvenient to open and close.

The original GG-1 AF type high-voltage power distribution cabinet isolating switch is positioned only by a positioning pin on an operating mechanism in a power-on and power-off state, safe operation is carried out by depending on a regulation and a regulation system and an operation ticket, forced isolation is not carried out, and the purpose of forced safety is achieved. When the high-voltage power distribution cabinet is in a power-on/power-off state, under the condition of unattended operation, other post personnel can easily operate, so that misoperation is caused, and safety accidents are caused.

GG-1 AF type high voltage distribution cabinet is having a power failure and switching off the state, and maintenance person examines the maintenance, in order to prevent that other personnel from operating, need to install the energy and keep apart the safety hasp on switch board isolator operating device locating pin, uses safe padlock pin safety hasp to accomplish and prevent other post personnel maloperation isolator device, reach the purpose of guaranteeing to examine maintenance person's safety. Therefore, a safety lock catch for a high-voltage power distribution cabinet is provided.

Disclosure of Invention

The safety lock catch for the high-voltage power distribution cabinet solves the problems that the safety lock catch of the existing high-voltage power distribution cabinet is complicated in operation and easy to cause electric shock danger, so that workers have high safety.

In order to achieve the purpose, the invention adopts the following technical scheme:

a safety lock catch for a high-voltage power distribution cabinet comprises a base plate, wherein a positioning seat is fixedly connected to the surface of the base plate, supporting plates are arranged on the left side and the right side of the positioning seat, a plurality of threaded holes are formed in the upper surface of the base plate, a rotating rod is arranged between the two supporting plates, a control switch is arranged on the surface of the rotating rod, a through hole is formed in the rear end of the control switch, a cylinder is fixedly connected to the left side surface of the left supporting plate, a sliding rod is arranged in the cylinder, a circular ring is fixedly connected to the surface of the sliding rod, a spring is fixedly connected to the right side surface of the circular ring and the inner wall of the cylinder, a lock catch fixing base is arranged on the left side of the positioning seat, a first hinge is arranged on the lock catch fixing base, a lock catch moving baffle is connected to the first hinge, a sliding, the second hinge is connected with a hook, and the upper surface of the bottom plate is provided with a groove.

Preferably, the control switch is arranged between the two supporting plates, and the rotating rod respectively penetrates through the supporting plates on the left side and the right side and the control switch therein and is fixedly connected with the left outer side face and the right outer side face of the supporting plates through bolts.

Preferably, the left end and the right end of the sliding rod extend to the left outer side and the right outer side of the cylinder, and a circular ring is fixedly connected to the surface in the cylinder.

Preferably, a spring is connected between the right side surface of the circular ring and the inner wall of the right side of the cylinder.

Preferably, the right side end of the sliding rod is slidably connected in the through hole, and the left side end of the sliding rod is slidably connected in the sliding groove.

Preferably, the movable baffle is movably connected to the fixed base through the first hinge, the lower surface of the fixed base is fixedly connected to the upper surface of the base plate through bolts, and the elastic force of the first hinge is in the clockwise direction.

Preferably, the hook is movably connected in the groove, the second hinge is a spring hinge, and the rotation direction of the second hinge is clockwise.

The beneficial effects of the invention are as follows:

1. make this device can be swift carry out pivoted spacing through unable adjustment base and the last movable baffle of going up to control switch through bottom plate, positioning seat, backup pad, screw hole, bull stick, control switch, through-hole, drum, slide bar, ring, spring, unable adjustment base, first hinge, movable baffle, spout, made things convenient for the spacing hasp to the block terminal.

2. Through second hinge, couple, slot make movable baffle can be convenient through its upper end through the couple of second hinge swing joint and the swing joint of slot make movable baffle carry on spacingly, and make through first hinge can rotate between a movable baffle unable adjustment base to connect and make the device can be convenient carry out the hasp, and easy operation, the high characteristics of security.

Drawings

Fig. 1 is a sectional view of the structure of a safety catch for a high voltage distribution cabinet according to the present invention.

Fig. 2 is a sectional view of the structure of the safety lock used for the high voltage distribution cabinet of the present invention in a position-limited state.

Fig. 3 is a sectional view of a side view of a movable catch of the safety catch for a high voltage distribution cabinet according to the present invention.

Fig. 4 is a top cross-sectional view of a movable barrier and a fixed base of a safety catch for a high voltage distribution cabinet according to the present invention.

Reference numbers in the figures: the device comprises a base plate 1, a positioning seat 2, a supporting plate 3, a threaded hole 4, a rotating rod 5, a control switch 6, a through hole 7, a cylinder 8, a sliding rod 9, a ring 10, a spring 11, a fixed base 12, a first hinge 13, a movable baffle 14, a sliding chute 15, a second hinge 16, a hook 17 and a groove 18.

Detailed Description

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

Referring to fig. 1-3, a safety lock catch for a high voltage distribution cabinet comprises a base plate 1, a positioning seat 2 is fixedly connected to the surface of the base plate 1, supporting plates 3 are respectively arranged on the left side and the right side of the positioning seat 2, a plurality of threaded holes 4 are formed in the upper surface of the base plate 1, a rotating rod 5 is arranged between the two supporting plates 3, a control switch 6 is arranged on the surface of the rotating rod 5, a through hole 7 is formed in the rear end of the control switch 6, a cylinder 8 is fixedly connected to the left side surface of the supporting plate 3 on the left side, a sliding rod 9 is arranged in the cylinder 8, a ring 10 is fixedly connected to the surface of the sliding rod 9, a spring 11 is fixedly connected between the right side surface of the ring 10 and the inner wall of the cylinder 8, a lock catch fixing base 12 is arranged on the left side of the positioning seat 2, a first hinge 13 is arranged on the lock catch fixing base 12, the first hinge 13 is connected with a lock catch moving baffle 14, and a sliding groove 15 is formed in the right side surface of the lock catch moving baffle 14, the lower surface of the movable baffle plate 14 is connected with a second hinge 16, the second hinge 16 is connected with a hook 17, and the upper surface of the bottom plate 1 is provided with a groove 18.

In this embodiment, the control switch 6 is disposed between the two supporting plates 3, and the rotating rod 5 passes through the supporting plates 3 on the left and right sides and the control switch 6 therein, and is fixedly connected to the left and right outer side surfaces of the supporting plates 3 by bolts.

In this embodiment, both the left and right ends of the slide bar 9 extend outside the left and right sides of the cylinder 8, and a ring 10 is fixedly connected to the inner surface of the cylinder 8.

In the present embodiment, a spring 11 is connected between the right side surface of the ring 10 and the inner wall of the right side of the cylinder 8.

In this embodiment, the right end of the slide rod 9 is slidably connected in the through hole 7, and the left end is slidably connected in the slide groove 15.

In this embodiment, the movable baffle 14 is movably connected to the fixed base 12 together with the first hinge 13, the lower surface of the fixed base 12 is fastened to the upper surface of the bottom plate 1 by bolts, and the elastic force of the first hinge 13 is in the clockwise direction.

In this embodiment, the hook 17 is movably connected in the groove 18, the second hinge 16 is a spring hinge, the rotation direction of the second hinge 16 is clockwise, and a knob is fixedly connected to the outer side of the second hinge 16 to rotate the second hinge 16.

The working principle is as follows: the rear end of a handle of a control switch 6 of the existing power distribution cabinet is provided with a through hole 7, support plates 3 on the left side and the right side of the control switch 6 are fixedly connected to the upper surface of a bottom plate 1, a cylinder 8 is arranged on the left side surface of the support plate 3 on the left side, a slide rod 9 is arranged in the cylinder 8, the left end and the right end of the slide rod 9 both extend out of the left end and the right end of the cylinder 8, a circular ring 10 is fixedly connected to the surface of the slide rod 9 in the cylinder 8, a spring 11 is connected between the circular ring 10 and the inner wall of the right side of the cylinder 8, so that the slide rod has a tendency of moving rightwards under the action of the spring 11, a fixed base 12 is arranged on the left side of the bottom plate 1, a movable baffle 14 is movably connected to the fixed base 12 through a first hinge 13, a chute 15 is arranged above the movable baffle 4, and the chute 5 can gradually compress the slide rod 9 to enable the slide rod 9 to contract in the upward rotating process of the movable baffle 14, slide to through-hole 7, and then can carry on spacingly to control switch 6, when it leaves when rotating, then cancel spacingly, and the below of moving the baffle is provided with second hinge 16, second hinge 16 swing joint couple 17, and the lower extreme swing joint of couple 17 is in the slot 18 that the upper surface of bottom plate 1 was seted up, make moving the baffle 14 can carry on spacingly under the spacing of couple 17, make it can not be turned around under the effect of first hinge 13, make can keep fine spacing, when needing to cancel spacingly, only need to twist the knob of the outside fixed connection of second so that couple 17 can anticlockwise rotation, and then under the effect of first hinge 13, moving baffle 14 also can clockwise rotate, and then cancelled spacingly, make this device have the operation of being convenient for spacing, and be convenient for cancel spacingly, the characteristics that the security performance is high.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A safety lock catch for a high-voltage power distribution cabinet comprises a base plate (1), wherein a positioning seat (2) is fixedly connected to the surface of the base plate (1), supporting plates (3) are arranged on the left side and the right side of the positioning seat (2), a plurality of threaded holes (4) are formed in the upper surface of the base plate (1), the safety lock catch is characterized in that a rotating rod (5) is arranged between the two supporting plates (3), a control switch (6) is arranged on the surface of the rotating rod (5), a through hole (7) is formed in the rear end of the control switch (6), a cylinder (8) is fixedly connected to the left side surface of the supporting plate (3) on the left side, a sliding rod (9) is arranged in the cylinder (8), a circular ring (10) is fixedly connected to the surface of the sliding rod (9), and a spring (11) is fixedly connected to the right side surface of the circular ring (10) and the inner wall of the cylinder (8), the left side of positioning seat (2) is provided with hasp unable adjustment base (12), be provided with first hinge (13) on hasp unable adjustment base (12), first hinge (13) are connected with hasp movable baffle (14), spout (15) have been seted up to the right flank of hasp movable baffle (14), the lower surface of movable baffle (14) is connected with second hinge (16), be connected with couple (17) on second hinge (16), slot (18) have been seted up to the upper surface of bottom plate (1).

2. The safety lock catch according to claim 1, wherein the control switch (6) is disposed between the two support plates (3), and the rotating rod (5) passes through the support plates (3) at the left and right sides and the control switch (6) therein, and is fixedly connected to the left and right outer side surfaces of the support plates (3) by bolts.

3. A safety catch for a high voltage distribution cabinet according to claim 1, characterized in that the left and right ends of the sliding rod (9) extend on the left and right outer sides of the cylinder (8), and a ring (10) is fixedly connected to the surface inside the cylinder (8).

4. Safety catch for high voltage distribution cabinets according to claim 1, characterized in that a spring (11) is connected between the right side of the ring (10) and the inner wall of the right side of the cylinder (8).

5. Safety catch for high voltage distribution cabinets according to claim 1, characterized in that the right side end of the sliding rod (9) is slidably connected in the through hole (7) and the left side end is slidably connected in the sliding slot (15).

6. The safety lock catch according to claim 1, wherein the movable baffle (14) is movably connected to the fixed base (12) together with the first hinge (13), the lower surface of the fixed base (12) is fastened to the upper surface of the base plate (1) through a bolt, and the elastic force of the first hinge (13) is clockwise.

7. The safety catch according to claim 1, wherein the hook (17) is movably connected in the groove (18), the second hinge (16) is a spring hinge, and the second hinge (16) rotates clockwise.