CN220358766U - Centralized grounding box special for railway - Google Patents

Abstract

The utility model discloses a centralized grounding box special for railways, wherein a head cover is provided with an illuminating lamp and a travel switch, and a travel switch contact is arranged above the inner side of a box door; the cross beams I are symmetrically distributed in pairs and are respectively fixed on the inner walls of the two side surfaces of the box body, the upright posts are symmetrically distributed in pairs and are respectively fixed on the cross beams I in a front-back position adjustable manner, the cross beams II are distributed according to 3 rows and one row or 3 rows and are respectively fixed on the upright posts in an up-down position adjustable manner, the post insulators are distributed according to 2 rows and a plurality of rows and are respectively fixed on the two rows of cross beams II at the upper end in a left-right position adjustable manner, and the copper bars are respectively fixed on the two post insulators in one row; the current transformers are respectively arranged on the copper bars; the support iron is fixed on the upper end part of the upright post in an adjustable up-down position, the humidity controller and the terminal strip are respectively fixed on the guide rail, and the humidity sensor and the heater are fixed on the upright post. The utility model is beneficial to the overhaul of field personnel, ensures the reliable operation of electric components, and has convenient field installation and maintenance and high efficiency.

Description

Centralized grounding box special for railway

Technical Field

The utility model belongs to the technical field of centralized grounding boxes, and relates to a centralized grounding box special for railways.

Background

The centralized grounding box is placed outdoors for a long time, and the running environment is relatively complex. The box body of the existing centralized grounding box is internally provided with a plurality of electrical components such as copper bars, current transformers, post insulators, secondary terminal bars and the like, and the electrical components are led out of the box body through primary cables; however, the lack of the lighting system is not beneficial to the overhaul of field personnel under the condition of poor external lighting conditions; and a humidity control system is also lacked, which is unfavorable for the reliable operation of the electrical components.

The support of fixed copper bar, pillar insulator, primary cable and secondary terminal row in the box of current concentrated grounding box is fixed, and in the installation, the direct alignment just is not right to the cable wire hole that appears very easily, but the alignment relation is not adjustable, and this not only causes the inconvenience of primary cable laying, and thick again hard primary cable can directly cause the damage or use easily to cause the damage under long-term outdoor environment after bending, still influences the preparation of electrical components and parts secondary cable wiring. And the support is fixed, if meet later stage transformation problem, if increase copper bar and current transformer, fixed structural design makes transformation problem step by step difficult, further leads to the waste of box shell cost.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the centralized grounding box special for the railway, which is beneficial to the overhaul of field personnel, ensures the reliable operation of electric appliance components, can conveniently adjust the alignment relationship between a primary cable and a cable outlet hole vertically and directly, is convenient to install and maintain on site, has high efficiency, and is convenient for the improvement of the electric appliance components to be increased or reduced in the later stage in the centralized grounding box, thereby avoiding waste and greatly saving the improvement cost.

In order to achieve the above object, the technical solution of the present utility model is: a centralized grounding box special for railways comprises a box body, a box door, a top cover, a base, a plurality of cross beams I, a plurality of upright posts, a plurality of cross beams II, an illuminating lamp, a travel switch, a humidity controller, a humidity sensor, a heater, a plurality of post insulators, a current transformer, a plurality of copper bars, a primary cable, a branch iron, a guide rail and a terminal bar; the lower parts of the two side surfaces of the box body are provided with air inlets, and the upper parts of the two side surfaces of the box body are provided with air outlets I; one or two cable outlet holes are formed in the base; the top cover is provided with an illuminating lamp and a travel switch, and a travel switch contact is arranged above the inner side of the box door; the cross beams I are symmetrically distributed in pairs and are respectively fixed on the inner walls of the two side surfaces of the box body, the upright posts are symmetrically distributed in pairs and are respectively fixed on the cross beams I in a front-back position adjustable manner, the cross beams II are distributed in 3 rows and one row or 3 rows and are respectively fixed on the upright posts in an up-down position adjustable manner, the post insulators are distributed in 2 rows and are respectively fixed on the two rows of cross beams II at the upper end in a left-right position adjustable manner, and the copper bars are respectively fixed on the two post insulators in one row; the current transformers are respectively arranged on the copper bars; the support iron is fixed on the upper end part of the upright post in an adjustable up-down position, the guide rail is fixed on the support iron, the humidity controller and the terminal strip are respectively fixed on the guide rail, and the humidity sensor and the heater are fixed on the upright post; the lower ends of primary cables fixedly connected with the copper bars penetrate through the cable outlet holes without bending, and the lower ends of the primary cables are fixedly clamped and fixed on a beam II of the lower row by cable fixing clamps; the box door is closed, the travel switch contacts touch the travel switch, the illuminating lamp is turned off, the box door is opened, the travel switch contacts are far away from the travel switch, and the illuminating lamp is on; the signal of the humidity sensor is transmitted to the humidity controller, and when the humidity in the box exceeds the threshold value, the humidity controller controls the heater to heat.

Further preferably, the inner sides of the air inlet and the air outlet I are provided with dustproof nets, and dustproof cotton is arranged on the inner sides of the dustproof nets. The dustproof effect is good, and the service lives of various electrical components such as a travel switch, a humidity controller, a humidity sensor, a heater, a post insulator, a current transformer, a copper bar and the like in the box body are further prolonged.

Further preferably, an air outlet II is formed in the bottom of the top cover, a dust screen is arranged on the inner side of the air outlet II, and dust cotton is arranged on the inner side of the dust screen II. Further increase air inlet and exhaust effect, the radiating effect is good, and dustproof effect is good.

Further preferably, the cable outlet hole is fixedly sealed with a fireproof blocking box, the fireproof blocking box is provided with an outlet hole, and the primary cable is sealed to penetrate out of the outlet hole on the fireproof blocking box. The setting of fire prevention shutoff box has prevented that outside flame from getting into in the box, and the fireproof effect is better.

Further preferably, the cross beam I is U-shaped, two vertical walls of the cross beam I are welded and fixed on the inner walls of two side surfaces of the box body, and a plurality of transverse strip holes are formed in the transverse wall of the cross beam I; the stand is U type, has circular fixed orifices I on its transverse wall, and the stand is fixed on crossbeam I by bolt I, gasket I and nut I. The position of the upright post fixed on the cross beam I can be adjusted by unscrewing the nut I, so that the upright post is fixed on the cross beam I in an adjustable front-back position, and the adjustment is convenient and the fixation is reliable. A plurality of vertical strip holes are formed in the vertical wall at the front end of the upright post, round fixing holes II are formed in two ends of a beam II respectively, and the beam II is fixed on the upright post through bolts II, gaskets II and nuts II. The position of the beam II fixed on the upright post can be adjusted by unscrewing the nut II, so that the beam II is fixed on the upright post in an adjustable up-down position, and the beam is convenient to adjust and reliable to fix. And a plurality of transverse strip holes are formed in the cross beam II so as to fix the post insulator and the primary cable. Therefore, the up-down, front-back and left-right positions of each copper bar can be adjusted, the alignment relationship between the primary cable and the cable outlet hole can be conveniently adjusted, the on-site installation and maintenance are convenient, and the efficiency is high.

The beneficial effects of the utility model are as follows: the travel switch contact, the travel switch and the illuminating lamp on the door of the centralized grounding box form an illuminating system, the door opening illuminating lamp is on, the door closing illuminating lamp is off, and the maintenance of field personnel is facilitated. The humidity regulating system comprising humidity sensor, humidity controller and heater is set inside the box to ensure the reliable operation of the electric appliance. The upright post is fixed on the beam I in a front-back position adjustable manner, the beam II is fixed on the upright post in a top-bottom position adjustable manner, and a plurality of transverse strip holes are formed in the beam II, so that the post insulator and the primary cable are fixed on the beam II in a left-right position adjustable manner, the alignment relationship between the primary cable and the cable outlet hole can be conveniently adjusted, the on-site installation and maintenance are convenient, the efficiency is high, the primary cable is not bent, and the service life is long; and a plurality of connecting holes are reserved on the cross beam I, the stand columns and the cross beam II, so that the improvement of the electric appliance components is conveniently increased or reduced in the centralized grounding box at the later stage, the waste is avoided, and the improvement cost is greatly saved. The utility model has good heat dissipation, heat preservation and dehumidification effects, convenient maintenance, simple and reasonable structure, convenient use, strong practicability and high production efficiency, and meets the requirements of complex operation environments.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a bottom view of the present utility model;

FIG. 4 is a front cross-sectional view of the present utility model;

fig. 5 is a side cross-sectional view of the present utility model.

In the figure, 1 is a base, 2 is a box, 3 is a cross beam II, 4 is a stand, 5 is a cross beam I, 6 is a humidity sensor, 7 is an illuminating lamp, 8 is a top cover, 9 is a travel switch, 10 is a terminal block, 11 is a humidity controller, 12 is a guide rail, 13 is a branch iron, 14 is a copper bar, 15 is a current transformer, 16 is a post insulator, 17 is a primary cable, 18 is a heater, 19 is a cable outlet hole, 20 is a fireproof sealing box, 21 is a rubber ring, 22 is a box door, 23 is a hanging shaft, 24 is an air inlet, 25 is an air outlet I, and 26 is an air outlet II.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

As shown in fig. 1, 2, 3, 4 and 5, the present embodiment includes a box body 2, a box door 22, a top cover 8, a base 1, a plurality of beams i 5, a plurality of columns 4, a plurality of beams ii 3, an illumination lamp 7, a travel switch 9, a humidity controller 11, a humidity sensor 6, a heater 18, a plurality of post insulators 16, a current transformer 15, a plurality of copper bars 14, a primary cable 17, a branch iron 13, a guide rail 12, and a terminal bar 10. The lower parts of the two side surfaces of the box body 2 are provided with air inlets 24, and the upper parts of the two side surfaces of the box body are provided with air outlets I25. For convenience in installation of workshop personnel, the box door 22 of the embodiment is double-door, both front and back doors, and front and back operations of entering the box body are convenient. In order to adapt to various complex environments, the box body 2, the top cover 8 and the base 1 are all of double-layer stainless steel structures, and the centralized grounding box is good in heat preservation, heat insulation and moisture resistance. In order to ensure better dustproof effect and service life of each electrical component, the dustproof net is arranged on the inner sides of the air inlet 24 and the air outlet I25, and dustproof cotton is arranged on the inner sides of the dustproof net. In order to further increase the air inlet and exhaust effect, an air outlet II 26 is formed in the bottom of the top cover 8, a dust screen is arranged on the inner side of the air outlet II 26, and dust cotton is arranged on the inner side of the dust screen II. One or two cable outlet holes 19 are formed in the base 1, and two cable outlet holes are formed in the base; when two cable outlet holes 19 are arranged, the electric appliance components can be improved for standby after being increased or reduced without using the electric appliance. In order to achieve a better fireproof effect, in this embodiment, the cable outlet hole 19 may be sealed and fixed with a fireproof sealing box 20 by a rubber ring 21, the fireproof sealing box 20 is provided with an outlet hole, and the primary cable 17 passes through the outlet hole on the fireproof sealing box 20 in a sealing manner. The top cover 8 is provided with an illuminating lamp 7 and a travel switch 9, and a travel switch contact is arranged above the inner side of the box door 22. The beams I5 are symmetrically distributed pairwise and are respectively fixed on the inner walls of the two side surfaces of the box body 2, the upright posts 4 are symmetrically distributed pairwise and are respectively fixed on the beams I5 in a front-back position adjustable mode, the beams II 3 are distributed according to 3 rows and one row or 3 rows and are respectively fixed on the upright posts 4 in an up-down position adjustable mode, and the post insulators 16 are distributed according to 2 rows and more rows and are respectively fixed on two rows of beams II 3 at the upper end in a left-right position adjustable mode. In this embodiment, the cross beam i 5 is U-shaped, and two vertical walls thereof are welded and fixed on the inner walls of two sides of the box 2, and a plurality of transverse strip holes are formed in the transverse wall thereof. The stand 4 is U type, and it has circular fixed orifices I to open on the cross wall, and bolt I wears in circular fixed orifices I and horizontal rectangular downthehole, after adjusting the position, is fixed on crossbeam I5 with stand 4 locking by gasket I and the nut I of fixing on bolt I. The position of the upright post 4 fixed on the cross beam I5 can be adjusted by unscrewing the nut I. A plurality of vertical strip holes are formed in the vertical wall at the front end of the upright post 4, round fixing holes II are formed in two ends of the cross beam II 3 respectively, bolts II penetrate through the round fixing holes II and the vertical strip holes, and after the positions are adjusted, the cross beam II 3 is locked and fixed on the upright post 4 through gaskets II and nuts II fixed on the bolts II. The position of the beam II 3 fixed on the upright post 4 can be adjusted by unscrewing the nut II. The cross beam ii 3 is provided with a plurality of transverse elongated holes for fixing the post insulators 16 and the primary cables 17. Therefore, the up-down, front-back and left-right positions of each copper bar 14 are adjustable, the alignment relationship between the primary cable and the cable outlet hole can be conveniently adjusted, the on-site installation and maintenance are convenient, and the efficiency is high. The copper bars 14 are each secured to a row of two post insulators 16. Current transformers 15 are respectively mounted on the copper bars 14. The supporting iron 13 is fixed on the upper end part of the upright post 4 in an adjustable up-down position, the guide rail 12 is fixed on the supporting iron 13, the humidity controller 11 and the terminal block 10 are respectively fixed on the guide rail 12, and the humidity sensor 6 and the heater 18 are fixed on the upright post 4. The supporting iron 13 of the embodiment is of an angle shape, two fixing surfaces of the angle shape are 30 degrees, and the supporting iron is convenient to install and saves the volume. The lower ends of the primary cables 17 fixedly connected with the copper bars 14 pass through the cable outlet holes 19 without bending, and the lower ends of the primary cables are fixedly clamped and fixed on the cross beams II 3 of the lower row by cable fixing clamps. The box door 22 is closed, the travel switch contact touches the travel switch 9, the illuminating lamp 7 is turned off, the box door 22 is opened, the travel switch contact is far away from the travel switch 9, and the illuminating lamp 7 is turned on; the signal of the humidity sensor 6 is transmitted to the humidity controller 11, and when the humidity in the case 2 exceeds the threshold value, the humidity controller 11 controls the heater 18 to heat.

In this embodiment, hanging shafts 23 are provided at four corners of the base, and the hanging shafts 23 are retractable. The hanging shafts 23 at four corners facilitate the field personnel to hang the centralized grounding box in place.

There are, of course, many other embodiments of the utility model that will be apparent to those skilled in the art from consideration of this disclosure without departing from the spirit and nature of the utility model, and that will fall within the scope of the claims.

Claims (9)

1. The special centralized grounding box for the railway comprises a box body (2), a box door (22), a top cover (8), a base (1), a plurality of post insulators (16), a current transformer (15), a plurality of copper bars (14) and a primary cable (17); the method is characterized in that: the multifunctional intelligent electric heating device further comprises a plurality of cross beams I (5), a plurality of upright posts (4), a plurality of cross beams II (3), an illuminating lamp (7), a travel switch (9), a humidity controller (11), a humidity sensor (6), a heater (18), supporting iron (13), a guide rail (12) and a terminal strip (10); the lower parts of the two side surfaces of the box body (2) are provided with air inlets (24), and the upper parts of the two side surfaces of the box body are provided with air outlets I (25); one or two cable outlet holes (19) are formed in the base (1); the top cover (8) is provided with an illuminating lamp (7) and a travel switch (9), and a travel switch contact is arranged above the inner side of the box door (22); the cross beams I (5) are symmetrically distributed in pairs and are respectively fixed on the inner walls of the two side surfaces of the box body (2), the upright posts (4) are symmetrically distributed in pairs and are respectively fixed on the cross beams I (5) in a front-back position adjustable manner, the cross beams II (3) are distributed in 3 rows and one row or two rows of 3 rows and are respectively fixed on the upright posts (4) in an up-down position adjustable manner, the post insulators (16) are distributed in 2 rows and are respectively fixed on the two rows of cross beams II (3) at the upper end in an adjustable left-right position adjustable manner, and the copper bars (14) are respectively fixed on the two post insulators (16) of one row; the current transformers (15) are respectively arranged on the copper bars (14); the support iron (13) is fixed on the upper end part of the upright post (4) in an adjustable up-down position, the guide rail (12) is fixed on the support iron (13), the humidity controller (11) and the terminal block (10) are respectively fixed on the guide rail (12), and the humidity sensor (6) and the heater (18) are fixed on the upright post (4); the lower ends of the primary cables (17) fixedly connected with the copper bars (14) penetrate through the cable outlet holes (19) without bending, and the lower end parts are clamped and fixed on the cross beams II (3) of the lower row by cable fixing clamps.

2. The railway-specific centralized grounding box of claim 1, wherein: the cross beam I (5) is U-shaped, two vertical walls of the cross beam I are welded and fixed on the inner walls of the two side surfaces of the box body (2), and a plurality of transverse strip holes are formed in the transverse wall of the cross beam I; the upright post (4) is U-shaped, a circular fixing hole I is formed in the transverse wall of the upright post, and the upright post (4) is fixed on the cross beam I (5) through a bolt I, a gasket I and a nut I; a plurality of vertical strip holes are formed in the vertical wall at the front end of the upright post (4), round fixing holes II are respectively formed in two ends of a beam II (3), and the beam II (3) is fixed on the upright post (4) through a bolt II, a gasket II and a nut II; the cross beam II (3) is provided with a plurality of transverse strip holes for fixing the post insulator (16) and the primary cable (17).

3. The railway-specific centralized grounding box as set forth in claim 1 or 2, wherein: the inner sides of the air inlet (24) and the air outlet I (25) are provided with dustproof nets, and dustproof cotton is arranged on the inner sides of the dustproof nets.

4. A railway specific centralized grounding box as claimed in claim 3, wherein: an air outlet II (26) is formed in the bottom of the top cover (8), a dust screen is arranged on the inner side of the air outlet II (26), and dust cotton is arranged on the inner side of the dust screen II.

5. The railway-specific centralized grounding box of claim 4, wherein: the cable outlet hole (19) is fixedly provided with a fireproof blocking box (20) in a sealing manner, the fireproof blocking box (20) is provided with an outlet hole, and the primary cable (17) passes through the outlet hole of the fireproof blocking box (20) in a sealing manner.

6. The railway-specific centralized grounding box as set forth in claim 1 or 2, wherein: an air outlet II (26) is formed in the bottom of the top cover (8), a dust screen is arranged on the inner side of the air outlet II (26), and dust cotton is arranged on the inner side of the dust screen II.

7. The railway-specific centralized grounding box of claim 6, wherein: the cable outlet hole (19) is fixedly provided with a fireproof blocking box (20) in a sealing manner, the fireproof blocking box (20) is provided with an outlet hole, and the primary cable (17) passes through the outlet hole of the fireproof blocking box (20) in a sealing manner.

8. The railway-specific centralized grounding box as set forth in claim 1 or 2, wherein: the cable outlet hole (19) is fixedly provided with a fireproof blocking box (20) in a sealing manner, the fireproof blocking box (20) is provided with an outlet hole, and the primary cable (17) passes through the outlet hole of the fireproof blocking box (20) in a sealing manner.

9. A railway specific centralized grounding box as claimed in claim 3, wherein: the cable outlet hole (19) is fixedly provided with a fireproof blocking box (20) in a sealing manner, the fireproof blocking box (20) is provided with an outlet hole, and the primary cable (17) passes through the outlet hole of the fireproof blocking box (20) in a sealing manner.