CN218788603U

CN218788603U - Novel subway low-voltage cabinet transition mechanism

Info

Publication number: CN218788603U
Application number: CN202223186004.2U
Authority: CN
Inventors: 廖官根; 姚军
Original assignee: Sichuan Airport Group Co ltd; Electrical engineering Co Ltd of China Railway No 2 Engineering Group Co Ltd
Current assignee: Sichuan Airport Group Co ltd; Electrical engineering Co Ltd of China Railway No 2 Engineering Group Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-04
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a novel subway low-voltage cabinet transition mechanism, comprising a base plate, be provided with the transfer box mechanism on the bottom plate, be equipped with the mounting groove in the bottom plate, one side of mounting groove is equipped with the motor, the rotor shaft of motor is connected with two-way lead screw, threaded connection has two silk mantles on the two-way lead screw, the top of two silk mantles is provided with the slider, the top of mounting groove is equipped with the slip mouth, the one end that the slip mouth was worn out to two sliders all is provided with splint, be provided with two fixed inserted bars around the inner wall of one side splint, be provided with two double-layered pipes around the inner wall of opposite side splint, the end that stretches out of two fixed inserted bars inserts respectively in the double-layered pipe that corresponds. Drive two-way lead screw through control panel starter motor and rotate for two silk covers move on two-way lead screw in opposite directions, promote the splint of both sides and follow both sides centre gripping, drive fixed inserted bar simultaneously and slide in pressing from both sides the pipe, carry out spacing fixed in the front and back, prevent to take place to empty at the removal handling in the cabinet body.

Description

Novel subway low-voltage cabinet transition mechanism

Technical Field

The utility model relates to a low-voltage cabinet transition technical field specifically is a novel subway low-voltage cabinet transition mechanism.

Background

At present, multiple cities have subways in China, however, the service life of equipment of a subway power supply system of partial cities reaches the replacement period, wherein a low-voltage cabinet is an important component of a subway station distribution system, the normal operation of the subways is inevitably influenced by directly replacing the low-voltage cabinet, a temporary low-voltage power transmission line is formed by arranging the low-voltage cabinet, a low-voltage bypass cable and a low-voltage quick plug-in connector, and the replacement is carried out on a line pressing section of the low-voltage cabinet to be replaced for power supply work. But when using transition circuit, the interior a large amount of cables that insert of low-voltage cabinet can produce the heat, and current low-voltage cabinet is not too good at the in-process heat dissipation to influence the stable use of circuit.

If chinese patent with publication number CN202602124U discloses a low-voltage electrical cabinet for subway engineering vehicle, which comprises a cabinet body, wherein the cabinet body is provided with a left cabinet door, a plurality of heat dissipation holes are formed in the left cabinet door, and a heat dissipation fan arranged in the cabinet body is arranged in the left cabinet door.

However, the above scheme has the following disadvantages:

the low-voltage cabinet in the above-mentioned patent document has designed a large amount of intensive apertures above the left cabinet door, has radiator fan behind the hole, can in time outwards get rid of the interior heat of cabinet for reach good ventilation cooling effect in the cabinet, nevertheless this low-voltage cabinet has bulky, inconvenient removal of volume, can only use shallow auxiliary movement transport, nevertheless takes place the box easily in the transportation and emptys, causes the low-voltage cabinet impaired.

Therefore, a novel transition mechanism of the subway low-voltage cabinet is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel subway low-voltage cabinet transition mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel transition mechanism of a subway low-voltage cabinet comprises a bottom plate, wherein a control panel is arranged on one surface of the bottom plate, universal wheels with brakes are arranged on two sides of the lower end surface of the bottom plate, and a transition box mechanism is arranged on the bottom plate;

the bottom plate is internally provided with a mounting groove, one side of the mounting groove is provided with a motor, a rotor shaft of the motor is connected with a bidirectional screw rod, the bidirectional screw rod is in threaded connection with two screw sleeves, the top ends of the two screw sleeves are provided with sliding blocks, the top end of the mounting groove is provided with a sliding port, and one ends of the two sliding blocks, penetrating out of the sliding port, are provided with clamping plates;

the inner walls of the clamping plates on two sides are provided with anti-abrasion base plates, two fixed inserting rods are arranged in front of and behind the inner wall of the clamping plate on one side, two clamping pipes are arranged in front of and behind the inner wall of the clamping plate on the other side, and the extending ends of the two fixed inserting rods are respectively inserted into the corresponding clamping pipes;

the transition box mechanism comprises two first transition load cabinets arranged on one side of the upper end face of the bottom plate, two second transition load cabinets are arranged on the other side of the upper end face of the bottom plate, the transition box mechanism further comprises a first transition incoming cabinet arranged on the bottom plate and corresponding to one side of the first transition load cabinet and a second transition incoming cabinet arranged on the bottom plate and corresponding to one side of the second transition load cabinet, and the transition box mechanism further comprises a transition incoming bus coupler cabinet arranged between the first transition incoming cabinet and the second transition incoming cabinet.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses with first transition load cabinet, second transition load cabinet, first transition inlet wire cabinet, second transition inlet wire cabinet and the female cabinet that allies oneself with of transition inlet wire are placed in the bottom plate in proper order, then through control panel starter motor's positive switch, the motor drives two-way lead screw and rotates, make two silk covers move on two-way lead screw in opposite directions, it slides in the sliding port to drive the slider, the splint that promote both sides are fixed in the left side of first transition load cabinet and the right side of second transition load cabinet from the both sides centre gripping, it slides in the clamp pipe to drive fixed inserted bar simultaneously, from the rear to first transition load cabinet, second transition load cabinet, first transition inlet wire cabinet, second transition inlet wire cabinet carries out spacing fixed with the female cabinet that allies oneself with of transition inlet wire, thereby effectively prevent to take place to empty at the removal handling in the cabinet body.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the cutting structure of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 at a point a according to the present invention;

fig. 4 is a schematic view of the overlooking and sectioning structure of the present invention.

In the figure: 1. a base plate; 2. mounting grooves; 3. a motor; 4. a bidirectional screw; 5. sleeving the silk with a silk sleeve; 6. a slider; 7. a sliding port; 8. a splint; 9. fixing the inserted rod; 10. clamping the pipe; 11. a first transition load cabinet; 12. a second transition load cabinet; 13. a first transition incoming cabinet; 14. a second transition incoming cabinet; 15. a transition incoming line bus-bar connection cabinet; 16. a control panel; 17. universal wheels with brakes; 18. an abrasion-proof backing plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel transition mechanism of a subway low-voltage cabinet comprises a bottom plate 1, wherein a control panel 16 is fixedly installed in front of the bottom plate 1 through bolts, the input end of the control panel 16 is connected with a power supply through an electric wire, universal wheels 17 with brakes are fixedly installed on the left side and the right side of the lower end face of the bottom plate 1 through bolts, and a transition box mechanism is fixedly installed on the bottom plate 1 through bolts;

the anti-abrasion device is characterized in that a mounting groove 2 is formed in the bottom plate 1, a motor 3 is arranged on the right side of the mounting groove 2, a rotor shaft of the motor 3 is in keyed connection with a bidirectional screw rod 4, a positive thread end and a reverse thread on the bidirectional screw rod 4 are respectively in threaded connection with screw sleeves 5, sliding blocks 6 are fixedly mounted at the top ends of the two screw sleeves 5 through bolts, each sliding block 6 is of a square plate structure, a sliding opening 7 is formed in the top end of the mounting groove 2, each sliding opening 7 is of a square opening structure, clamping plates 8 are fixedly mounted at one ends, penetrating out of the sliding openings 7, of the two sliding blocks 6 through the bolts, anti-abrasion backing plates 18 are respectively connected to the inner walls of the clamping plates 8 on the left side and the right side through sealant in an adhesive mode, and the anti-abrasion backing plates 18 are made of rubber plates;

there are two fixed inserted bars 9 through bolt fixed mounting around the inner wall of left side splint 8, have two clamp pipes 10 through bolt fixed mounting around the inner wall of right side splint 8, and the end that stretches out of two fixed inserted bars 9 slides respectively and inserts in the clamp pipe 10 that corresponds.

The transition box mechanism comprises two first transition load cabinets 11 arranged on the left side of the upper end face of the bottom plate 1, and two second transition load cabinets 12 are arranged on the right side of the upper end face of the bottom plate 1;

the transition box mechanism further comprises a first transition incoming cabinet 13 which is arranged on the bottom plate 1 and corresponds to the right side of the first transition load cabinet 11, and a second transition incoming cabinet 14 which is arranged on the bottom plate 1 and corresponds to the left side of the second transition load cabinet 12;

the transition box mechanism also comprises a transition incoming line bus-bar cabinet 15 which is arranged between the first transition incoming line cabinet 13 and the second transition incoming line cabinet 14, the utility model is pushed to a low-voltage substation, one side of an I-section transition incoming line cable in an old low-voltage cabinet is connected to the low-voltage side of a low-voltage transformer in the first transition load cabinet 11, and the other side is connected to the incoming line side of an incoming switch in the first transition incoming line cabinet 13; one side of a II-section transition incoming cable in another old low-voltage cabinet is connected to the low-voltage side of a low-voltage transformer in a second transition load cabinet 12, the other side of the II-section transition incoming cable is connected to an incoming switch in a second transition incoming cabinet 14, the whole transition cabinet serves as a system which already has running conditions, the loads of the I section and the II section are all transferred to a transition cabinet system, then the low-voltage sides of the low-voltage transformers of a first transition incoming cabinet 13 and the second transition incoming cabinet 14 are connected with a low-voltage cabinet busbar in a transition incoming bus-bar cabinet 15, the old I-section low-voltage cabinet and the old II-section low-voltage cabinet begin to be replaced, and after a new low-voltage cabinet is replaced, all the loads are transferred to the new low-voltage cabinet from a transition mechanism. And then the transition cabinet system is separated, and the whole replacement process is completed.

The working principle of the embodiment is as follows: the first transition load cabinet 11, the second transition load cabinet 12, the first transition incoming line cabinet 13, the second transition incoming line cabinet 14 and the transition incoming line bus connection cabinet 15 are sequentially placed in the bottom plate 1, then a forward switch of the motor 3 is started through the control panel 16, the motor 3 drives the bidirectional screw rod 4 to rotate, so that the two screw sleeves 5 move oppositely on the bidirectional screw rod 4, the slide block 6 is driven to slide in the sliding opening 7, the clamp plates 8 on the two sides are pushed to be clamped and fixed on the left side of the first transition load cabinet 11 and the right side of the second transition load cabinet 12 from the two sides, the fixed insertion rod 9 is driven to slide in the clamping pipe 10, the first transition load cabinet 11, the second transition load cabinet 12, the first transition incoming line cabinet 13, the second transition incoming line cabinet 14 and the transition incoming line bus connection cabinet 15 are limited and fixed from the front and the back, and therefore the cabinet body is effectively prevented from toppling over in the moving and carrying process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel subway low-voltage cabinet transition mechanism, includes bottom plate (1), its characterized in that: be provided with transition box mechanism on bottom plate (1), be equipped with mounting groove (2) in bottom plate (1), one side of mounting groove (2) is equipped with motor (3), the rotor shaft of motor (3) is connected with two-way lead screw (4), threaded connection has two silk braid (5), two on two-way lead screw (4) the top of silk braid (5) is provided with slider (6), the top of mounting groove (2) is equipped with slip mouth (7), two the one end that slip mouth (7) were worn out in slider (6) all is provided with splint (8), one side be provided with two fixed inserted bar (9) around the inner wall of splint (8), the opposite side be provided with two clamp pipe (10) around the inner wall of splint (8), two the end that stretches out of fixed inserted bar (9) inserts respectively in corresponding clamp pipe (10).

2. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 1, wherein: the transition box mechanism comprises two first transition load cabinets (11) arranged on one side of the upper end face of the bottom plate (1), and two second transition load cabinets (12) are arranged on the other side of the upper end face of the bottom plate (1).

3. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 2, wherein: the transition box mechanism further comprises a first transition incoming cabinet (13) which is arranged on the bottom plate (1) and corresponds to one side of the first transition load cabinet (11), and a second transition incoming cabinet (14) which is arranged on the bottom plate (1) and corresponds to one side of the second transition load cabinet (12).

4. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 2, characterized in that: the transition box mechanism further comprises a transition incoming line bus-bar connection cabinet (15) arranged between the first transition incoming line cabinet (13) and the second transition incoming line cabinet (14).

5. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 1, wherein: one side of the bottom plate (1) is provided with a control panel (16).

6. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 1, wherein: both sides of the lower end face of the bottom plate (1) are provided with universal wheels (17) with brakes.

7. The novel transition mechanism of the subway low-voltage cabinet as claimed in claim 1, wherein: the inner walls of the clamping plates (8) at two sides are provided with anti-abrasion base plates (18).