CN220775088U - Guide rail telescopic type direct current cabinet - Google Patents

Abstract

The utility model provides a guide rail telescopic direct current cabinet. The telescopic direct current cabinet of guide rail includes: a breaker cabinet disposed on the foundation; the insulating base plate is arranged at the bottom of the breaker cabinet; the hydraulic rods are hinged to the inner wall of the breaker cabinet; the fixed guide rails are fixedly arranged on the inner wall of the breaker cabinet; the movable guide rails are respectively and slidably arranged on the fixed guide rails and are respectively hinged with the output rods of the hydraulic rods; and the breaker trolley is arranged on the foundation. The guide rail telescopic type direct current cabinet provided by the utility model has the advantages of labor saving when being pushed into a direct current breaker trolley, convenience in operation and capability of meeting various severe foundation environments on site.

Description

Guide rail telescopic type direct current cabinet

Technical Field

The utility model relates to the technical field of direct current breaker cabinets, in particular to a guide rail telescopic direct current cabinet.

Background

With the expansion of urban planning and the popularization of rail transit represented by subways in cities, more and more people begin to select a stable and rapid traffic mode of rail transit to work and travel daily. On the basis of realizing the basic power distribution function, the daily operation and maintenance of equipment are optimized, and the improvement of the safety and operability of the equipment is a further requirement.

The split type direct current breaker cabinet of handcart is as direct current switch cabinet, in order to protect the direct current cabinet from being corroded by electricity, the cabinet body lower part can be equipped with the insulating pad that is not less than 5mm thick generally. To ensure contact accuracy, dc breaker trolleys are typically lifted to a height of about 5mm in the cabinet. In addition, the thickness of the sheet metal at the bottom of the cabinet is accumulated, and when the direct current breaker trolley enters the cabinet from the external ground, the trolley needs to climb a ridge of about 15 mm. This height may be higher if the field floor is uneven. In field practical use, pushing in the direct current breaker dolly is comparatively laborious operation, and dolly rear portion part damages in the impact process of pushing easily, leaves certain hidden danger. Especially in the early stage of construction, the foundation is rough to cast, and pushing into the trolley is almost impossible without preparing an additional ramp.

Therefore, it is necessary to provide a guide rail telescopic type direct current cabinet to solve the above technical problems.

Disclosure of Invention

The utility model provides a guide rail telescopic direct current cabinet, which aims to solve the technical problem that the existing guide rail telescopic direct current cabinet is laborious to push into a direct current breaker trolley.

The guide rail telescopic direct current cabinet provided by the utility model comprises: a breaker cabinet disposed on the foundation; the insulating base plate is arranged at the bottom of the breaker cabinet; the hydraulic rods are hinged to the inner wall of the breaker cabinet; the fixed guide rails are fixedly arranged on the inner wall of the breaker cabinet; the movable guide rails are respectively and slidably arranged on the fixed guide rails and are respectively hinged with the output rods of the hydraulic rods; the breaker trolley is arranged on the foundation; the limiting mechanism is arranged on one side of the circuit breaker cabinet and used for limiting the circuit breaker cabinet.

Preferably, a plurality of travelling wheels are arranged at the bottom of the breaker trolley.

Preferably, a protrusion is fixedly arranged on one side of the breaker trolley, and a plurality of bearing rollers are arranged on both sides of the breaker trolley and both sides of the protrusion.

Preferably, the circuit breaker cabinet is provided with an electromagnetic lock and a work limit travel switch.

Preferably, the limiting mechanism comprises a shell and a limiting plate, wherein the shell is fixedly arranged on one side of the circuit breaker cabinet, a rectangular opening is formed in the shell, and the limiting plate is slidably arranged on the rectangular opening.

Preferably, a plurality of slide holes and screw holes are formed in the bottom of the limiting plate, a plurality of limiting rods are fixedly mounted on the inner wall of the bottom of the shell, and the limiting rods are respectively connected with the inner walls of the slide holes in a sliding mode.

Preferably, a servo motor is fixedly installed on the inner wall of the bottom of the shell, a rotating rod is fixedly installed on an output shaft of the servo motor, a thread block is fixedly installed on the top end of the rotating rod, and the thread block is in threaded connection with the inner wall of the screw hole.

Compared with the related art, the guide rail telescopic type direct current cabinet provided by the utility model has the following beneficial effects:

the utility model provides a guide rail telescopic direct current cabinet, which can drive a plurality of movable guide rails to extend out of a circuit breaker cabinet or retract into the circuit breaker cabinet through a plurality of hydraulic rods, can push a circuit breaker trolley into the circuit breaker cabinet conveniently and laborsaving through the cooperation of the plurality of movable guide rails and a plurality of bearing rollers, can limit the circuit breaker trolley through a limiting mechanism, so as to prevent the circuit breaker trolley from sliding out, can enable the circuit breaker trolley to move conveniently through a plurality of travelling wheels, can lock the plurality of movable guide rails through an electromagnetic lock, can limit the circuit breaker trolley through a limiting plate, so as to prevent the circuit breaker trolley from sliding out, can limit the limiting plate through a plurality of limiting rods, and can drive the limiting plate to move up and down through the threaded rotation of a rotating rod driving a threaded block on the inner wall of a screw hole.

Drawings

FIG. 1 is a schematic view of a structure of a retractable DC cabinet according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the limiting mechanism of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numerals in the drawings: 1. a foundation; 2. a circuit breaker cabinet; 3. an insulating backing plate; 4. a hydraulic rod; 5. a fixed guide rail; 6. a movable guide rail; 7. a circuit breaker trolley; 8. a walking wheel; 9. a protrusion; 10. bearing rollers; 11. an electromagnetic lock; 12. a working limit travel switch; 13. a housing; 14. a limiting plate; 15. a limit rod; 16. a servo motor; 17. a rotating lever; 18. a threaded block.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a rail-retractable dc cabinet according to the present utility model; FIG. 2 is a schematic three-dimensional structure of the limiting mechanism of FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 1. The telescopic direct current cabinet of guide rail includes: a breaker cabinet 2 provided on the foundation 1; an insulating base plate 3, wherein the insulating base plate 3 is arranged at the bottom of the breaker cabinet 2; the hydraulic rods 4 are hinged to the inner wall of the breaker cabinet 2; a plurality of fixed guide rails 5, wherein the fixed guide rails 5 are fixedly arranged on the inner wall of the breaker cabinet 2; the movable guide rails 6 are respectively and slidably arranged on the fixed guide rails 5, and the movable guide rails 6 are respectively hinged with the output rods of the hydraulic rods 4; a breaker trolley 7, the breaker trolley 7 being disposed on the foundation 1; the limiting mechanism is arranged on one side of the breaker cabinet 2 and is used for limiting the breaker cabinet 2, a plurality of movable guide rails 6 can be driven to extend out of the breaker cabinet 2 or retract into the breaker cabinet 2 through a plurality of hydraulic rods 4, the breaker trolley 7 can be pushed into the breaker cabinet 2 conveniently and laborsaving through the cooperation of the movable guide rails 6 and the bearing rollers 10, and the breaker trolley 7 can be limited through the limiting mechanism, so that the breaker trolley 7 is prevented from sliding out.

The bottom of circuit breaker dolly 7 is provided with a plurality of walking wheels 8, can make circuit breaker dolly 7 remove comparatively conveniently through a plurality of walking wheels 8.

One side fixed mounting of circuit breaker dolly 7 has protruding 9, the both sides of circuit breaker dolly 7 with protruding 9 both sides all are provided with a plurality of bearing gyro wheels 10, and a plurality of movable guide rails 6 and a plurality of bearing gyro wheels 10 cooperate can be comparatively convenient and laborsaving pushing in circuit breaker cabinet 2 with circuit breaker dolly 7.

The circuit breaker cabinet 2 is provided with an electromagnetic lock 11 and a work limit travel switch 12, and a plurality of movable guide rails 6 can be locked through the electromagnetic lock 11.

The limiting mechanism comprises a shell 13 and a limiting plate 14, wherein the shell 13 is fixedly arranged on one side of the circuit breaker cabinet 2, a rectangular opening is formed in the shell 13, the limiting plate 14 is slidably arranged on the rectangular opening, and the circuit breaker trolley 7 can be limited through the limiting plate 14, so that the circuit breaker trolley 7 is prevented from sliding out.

The bottom of limiting plate 14 has seted up a plurality of slide holes and screw, fixed mounting has a plurality of gag lever posts 15 on the bottom inner wall of casing 13, and a plurality of gag lever posts 15 respectively with a plurality of the inner wall sliding connection of slide hole can carry out spacingly to limiting plate 14 through a plurality of gag lever posts 15.

The servo motor 16 is fixedly arranged on the inner wall of the bottom of the shell 13, the rotating rod 17 is fixedly arranged on the output shaft of the servo motor 16, the threaded block 18 is fixedly arranged at the top end of the rotating rod 17, the threaded block 18 is in threaded connection with the inner wall of the screw hole, and the servo motor 16 drives the threaded block 18 to rotate on the inner wall of the screw hole through the rotating rod 17 so as to drive the limiting plate 14 to move up and down.

The working principle of the guide rail telescopic type direct current cabinet provided by the utility model is as follows:

the circuit breaker trolley 7 is freely placed outside the circuit breaker cabinet 2, the movable guide rail 6 naturally extends out of the circuit breaker cabinet 2 under the action of the hydraulic rod 4, the circuit breaker trolley 7 and the bearing roller 10 on the bulge 9 contact the overhanging part of the movable guide rail 6, the height of the bearing roller 10 rises along with the rolling of the bearing roller 10 in the cabinet, the rear part of the circuit breaker trolley 7 is lifted to a certain height outside the cabinet and does not contact with a step at the front bottom of the cabinet, the trolley is smoothly pushed in after the height difference between the cabinet body and the foundation 1 is overcome, when the circuit breaker trolley 7 enters the position of a mechanism panel in the circuit breaker trolley 7, at the moment, the circuit breaker trolley 7 is positioned in a test position, the circuit breaker trolley 7 body enters a working position through operation, the movable guide rail 6 is retracted under the pushing of the bearing roller 10, so that the bearing roller 10 moves to the position of the working limit travel switch 12, and the electromagnetic lock 11 is triggered to lock the movable guide rail 6 so as not to recover in debugging;

the servo motor 16 is started, the servo motor 16 drives the thread blocks 18 to rotate on the inner wall of the screw holes through the rotating rods 17 to drive the limiting plates 14 to move upwards, and the circuit breaker trolley 7 can be limited through the limiting plates 14 moving upwards, so that the circuit breaker trolley 7 is prevented from sliding out.

Compared with the related art, the guide rail telescopic type direct current cabinet provided by the utility model has the following beneficial effects:

the utility model provides a guide rail telescopic direct current cabinet, which can drive a plurality of movable guide rails 6 to extend out of a circuit breaker cabinet 2 or retract into the circuit breaker cabinet 2 through a plurality of hydraulic rods 4, can push a circuit breaker trolley 7 into the circuit breaker cabinet 2 conveniently and laborsaving through the cooperation of the plurality of movable guide rails 6 and a plurality of bearing rollers 10, can limit the circuit breaker trolley 7 through a limiting mechanism, so that the circuit breaker trolley 7 is prevented from sliding out, can move the circuit breaker trolley 7 conveniently through a plurality of travelling wheels 8, can lock the plurality of movable guide rails 6 through electromagnetic locks 11, can limit the circuit breaker trolley 7 through limiting plates 14, and further can prevent the circuit breaker trolley 7 from sliding out, can limit the limiting plates 14 through a plurality of limiting rods 15, and can drive the limiting plates 14 to move up and down through the threaded blocks 18 driven by rotating rods 17 on the inner walls of screw holes.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a guide rail telescopic direct current cabinet which characterized in that includes:

a breaker cabinet disposed on the foundation;

the insulating base plate is arranged at the bottom of the breaker cabinet;

the hydraulic rods are hinged to the inner wall of the breaker cabinet;

the fixed guide rails are fixedly arranged on the inner wall of the breaker cabinet;

the movable guide rails are respectively and slidably arranged on the fixed guide rails and are respectively hinged with the output rods of the hydraulic rods;

the breaker trolley is arranged on the foundation;

the limiting mechanism is arranged on one side of the circuit breaker cabinet and used for limiting the circuit breaker cabinet.

2. The guideway retractable dc cabinet of claim 1, wherein the bottom of the circuit breaker trolley is provided with a plurality of road wheels.

3. The direct current cabinet with telescopic guide rail according to claim 1, wherein a protrusion is fixedly installed on one side of the circuit breaker trolley, and a plurality of bearing rollers are arranged on both sides of the circuit breaker trolley and both sides of the protrusion.

4. The direct current cabinet with telescopic guide rail according to claim 1, wherein the circuit breaker cabinet is provided with an electromagnetic lock and a work limit travel switch.

5. The direct current cabinet with telescopic guide rail according to claim 1, wherein the limiting mechanism comprises a shell and a limiting plate, the shell is fixedly installed on one side of the circuit breaker cabinet, a rectangular opening is formed in the shell, and the limiting plate is slidably installed on the rectangular opening.

6. The guide rail telescopic type direct current cabinet according to claim 5, wherein a plurality of sliding holes and screw holes are formed in the bottom of the limiting plate, a plurality of limiting rods are fixedly mounted on the inner wall of the bottom of the shell, and the limiting rods are respectively connected with the inner walls of the sliding holes in a sliding mode.

7. The guide rail telescopic type direct current cabinet according to claim 6, wherein a servo motor is fixedly installed on the inner wall of the bottom of the shell, a rotating rod is fixedly installed on an output shaft of the servo motor, a threaded block is fixedly installed on the top end of the rotating rod, and the threaded block is in threaded connection with the inner wall of the screw hole.