CN107946859A - A kind of protection shell in the secondary power supply of trolley - Google Patents

Abstract

The invention provides a protective shell for secondary power supply of a trolley line, which includes a front shell and a rear shell oppositely arranged, the front shell and the rear shell are fixedly arranged on both sides of the trolley line groove respectively, and the trolley contact Both sides of the trunking are provided with interfaces for main line connection; the front shell includes the rear shell plate and the first connecting plate located on both sides of the front shell plate, and the front shell is fixedly arranged on the sliding contact line through the first connecting plate on both sides. on the slot; the rear shell includes a rear shell frame and a rear shell cover, the rear shell frame includes a rear shell plate and second connecting plates located on both sides of the rear shell plate, and the rear shell is fixedly arranged on the slide through the second connecting plates on both sides. On the antenna groove, the rear shell plate protrudes outwards and is provided with a distribution chamber for the connection of the main line. The lower end of the distribution chamber is provided with a first outlet for the main line to pass through. Card access. The protective shell in the secondary power supply of the trolley line according to the present invention protects the joints of the wires and prevents safety accidents.

Description

A protective shell for secondary power supply of trolley line

technical field

The invention belongs to the field of trolley line installation, in particular to a protective shell for secondary power supply of a trolley line.

Background technique

When the trolley line frame is set above a certain height (about 150m or more), secondary power supply must be used every 100 meters to reduce the voltage drop of the trolley line. The main wires of the main wires are respectively exported to the protective shell, and the main wires of the front trolleys need to be wound so that the interface of the main wires is located inside the guide rail frame to ensure the smooth operation of the collector. Prevent short circuit and safety accidents caused by exposure to rainwater penetration. A protective shell arranged on the trolley line groove to protect the trolley line from damage is particularly important.

Contents of the invention

In view of this, the present invention aims to provide a protective casing for the secondary power supply of the trolley line, which protects the joints of the wires and prevents safety accidents.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A protective shell for secondary power supply of a trolley line, comprising a front shell and a rear shell oppositely arranged, the front shell and the rear shell are fixedly arranged on both sides of a trolley line groove respectively, and the two sides of the trolley line trough The side has an interface for the main line connection;

The front shell includes a front shell plate and first connecting plates located on both sides of the front shell plate, and the front shell is fixedly arranged on the trolley line groove through the first connecting plates on both sides;

The rear shell includes a rear shell frame and a rear shell cover. The rear shell frame includes a rear shell plate and second connecting plates located on both sides of the rear shell plate. On the rear shell, there is a distribution cavity protruding outwards for the connection of the main line. The lower end of the distribution cavity is provided with a first outlet for the main line to pass through, and the rear cover is clamped with the outer wall of the distribution cavity.

Further, the distribution cavity is a rectangular cavity surrounded by four side walls, the lower side wall of the distribution cavity is provided with a first outlet, the side wall of the distribution cavity is provided with an arc-shaped boss along the outer circumference, and the rear The inner wall of the shell cover in contact with the side wall of the distribution chamber is provided with an arc-shaped groove matching the arc-shaped boss, and the rear shell cover and the distribution chamber are engaged through the cooperation of the arc-shaped groove and the arc-shaped boss.

Further, the rear shell plate in the distribution cavity is provided with an opening through the rear shell plate, the opening is smaller than the bottom surface surrounded by the rectangular cavity on the rear shell plate, and the two sides of the opening and located in the distribution cavity are mounting plates, A plurality of vertical partitions are arranged at intervals on the installation board, and nuts for installation of the main line are arranged on the installation board between the vertical partitions.

Further, the lower side wall of the rear housing cover is provided with a second passage opening at a position corresponding to the first passage opening of the distribution chamber, and the position of the first passage opening corresponds to the second passage opening.

Further, the front casing plate of the front casing protrudes outward to form a first cavity.

Further, the inside of the front housing is provided with a first installation groove along the length direction perpendicular to the sliding contact line groove, and three first installation grooves are arranged in parallel and spaced from top to bottom. Waterproof adhesive strips are installed between the trunkings.

Further, the inner side of the rear case and the inner side of the rear case frame are provided with second installation grooves along the length direction perpendicular to the trolley line groove, and three second installation grooves are arranged in parallel and spaced from top to bottom, A waterproof adhesive strip is installed between the second installation groove and the sliding contact wire groove.

Further, a number of wire holes are provided at corresponding positions of the trolley wire slots arranged between the front shell and the rear shell.

Compared with the prior art, the protective shell in the secondary power supply of the trolley line according to the present invention has the following advantages:

In the protective shell in the secondary power supply of the trolley line according to the present invention, by setting the protective shells on both sides of the trolley line groove, the wire can pass out of the trolley line groove by winding, so that the contact point of the wire is located in the protective shell ;The rear case cover can be firmly clamped on the rear case frame through the arc-shaped boss and the arc-shaped groove, so that the rear case cover can be detachable, and the clamping connection is more firm; the inside of the front case and the rear case are provided with There are installation grooves for the installation of waterproof rubber strips, and the setting of multiple waterproof rubber strips ensures that rainwater cannot enter and ensures safety.

Description of drawings

The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a schematic structural diagram of an application in which the protective shell is installed on the trolley line groove in the secondary power supply of the trolley line according to the embodiment of the present invention;

Fig. 2 is a schematic diagram of the structure of the protective case installed on the trolley line groove in the secondary power supply of the trolley line according to the embodiment of the present invention;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is a schematic structural diagram of a protective shell in the secondary power supply of the trolley line according to the embodiment of the present invention;

Fig. 5 is a structural schematic view of the rear casing according to the embodiment of the present invention viewed from the inner direction of the protective casing;

Fig. 6 is a schematic structural view of the rear casing according to the embodiment of the present invention viewed from the outside of the protective casing;

Fig. 7 is a schematic structural diagram of the rear shell frame described in the embodiment of the present invention;

Fig. 8 is a schematic structural diagram of the rear case cover described in the embodiment of the present invention;

FIG. 9 is a structural schematic diagram of the front case viewed from the inside of the protective case according to the embodiment of the present invention.

Explanation of reference signs:

1-front shell; 101-front shell plate; 102-first connecting plate; 2-rear shell; 201-rear shell plate; 202-second connecting plate; ;5-the first outlet; 6-arc boss; 7-arc groove; 8-opening; 9-installation plate; 10-vertical partition; 11-nut; 12-second outlet; - the first mounting slot; 14 - the second mounting slot.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figures 1 to 9, a protective casing for the secondary power supply of a sliding contact line includes a front casing 1 and a rear casing 2 which are oppositely arranged, and the front casing 1 and the rear casing 2 are fixedly arranged on the sliding contact Both sides of the trunking 3, both sides of the sliding contact trunking 3 are interfaces for connecting the main line;

The front shell 1 includes a front shell plate 101 and first connecting plates 102 located on both sides of the front shell plate 101, and the front shell 1 is fixedly arranged on the trolley wire groove 3 through the first connecting plates 102 on both sides;

The rear case 2 includes a rear case frame and a rear case cover 4. The rear case frame includes a rear case plate 201 and second connecting plates 202 on both sides of the rear case plate 201. The rear case 2 passes through the second connecting plates 202 on both sides. It is fixedly arranged on the trolley line groove 3, and a distribution cavity for the connection of the main line is protruded from the rear shell plate 201. The lower end of the distribution cavity is provided with a first outlet 5 for the main line to pass through, and the rear shell cover 4 It is clamped with the outer wall of the distribution chamber.

The above-mentioned distribution chamber is a rectangular chamber surrounded by four side walls. The lower side wall of the distribution chamber is provided with a first outlet 5, and the side wall of the distribution chamber is provided with an arc-shaped boss 6 along the outer circumference. 4 The inner wall in contact with the side wall of the distribution chamber is provided with an arc-shaped groove 7 matching the arc-shaped boss 6, and the rear cover 4 and the distribution chamber are matched by the arc-shaped groove 7 and the arc-shaped boss 6 To achieve snap.

The rear shell 201 in the above-mentioned distribution chamber is provided with an opening 8 that runs through the rear shell 201. The opening 8 is smaller than the bottom surface surrounded by the rectangular cavity on the rear shell 201. The two sides of the opening 8 are located in the distribution chamber for installation. Plate 9, the mounting plate 9 is provided with several vertical partitions 10 at intervals, and the mounting plate 9 between the vertical partitions 10 is provided with nuts 11 for main line installation.

A second through-hole 12 is provided on the lower side wall of the rear cover 4 at a position corresponding to the first through-hole 5 of the distribution chamber, and the first through-hole 5 corresponds to the second through-out 12 .

The front shell 101 of the above-mentioned front shell 1 protrudes outward to form a first cavity.

The inside of the front housing 1 is provided with a first installation groove 13 along the length direction perpendicular to the sliding contact line groove 3, and there are three first installation grooves 13 arranged in parallel and spaced from top to bottom. A waterproof adhesive strip is installed between the wire contact slots 3 .

The inner side of the above-mentioned rear case 2 and the inner side of the rear case frame are provided with a second installation groove 14 along the length direction perpendicular to the trolley line groove 3, and there are three second installation grooves 14 parallel and spaced from top to bottom, A waterproof rubber strip is installed between the second installation groove 14 and the trolley wire groove 3 .

A number of threading holes are provided at corresponding positions of the trolley line groove 3 arranged between the front housing 1 and the rear housing 2 .

The rear housing 2 and the front housing 1 are respectively fixed to the trolley line groove 3 through the second connecting plate 202, the first connecting plate 102, and the second connecting plate 202, the first connecting plate 102 and the trolley wire groove 3 are Screw connection. The rear case cover 4 on the rear case 2 can be detached through the cooperation of the arc-shaped boss 6 and the arc-shaped groove 7 . The wires pass through the nuts 11 on the mounting plate 9 to better realize the fixing of the connection, and the setting of the vertical partition 10 on the mounting plate 9 makes the connection and distribution of the wires more orderly.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1. A kind of 1. protection shell in secondary power supply of trolley, it is characterised in that：Including the procapsid (1) being oppositely arranged and rear shell Body (2), procapsid (1) and back casing (2) are respectively fixedly disposed at the both sides of wiping wire casing (3), and the both sides of wiping wire casing (3) are With the interface for main line connection；

   Procapsid (1) includes preceding coverboard (101) and the first connecting plate (102) positioned at preceding coverboard (101) both sides, procapsid (1) It is fixed at by the first connecting plate (102) of both sides on wiping wire casing (3)；

   Back casing (2) includes rear shell frame and rear shell cover (4), and rear shell frame includes rear coverboard (201) and positioned at rear coverboard (201) the second connecting plate (202) of both sides, back casing (2) are fixed at trolley by the second connecting plate (202) of both sides On groove (3), outwardly on rear coverboard (201) to be provided with the distribution cavity used for main line connection, the lower end of distribution cavity, which is equipped with, to be supplied The first export (5) that main line passes through, rear shell cover (4) are clamped between the lateral wall of distribution cavity.
2. 2. the protection shell in the secondary power supply of trolley according to claim 1, it is characterised in that：Distribution cavity is four sides The rectangular cavities that wall surrounds, the lower wall of distribution cavity are equipped with the first export (5), are set within one week on the outside of the edge of the side wall of distribution cavity There is arc boss (6), the inner wall that rear shell cover (4) is in contact with the side wall of distribution cavity is equipped with matched with arc boss (6) Arc groove (7), rear shell cover (4) is realized with distribution cavity by arc groove (7) with the cooperation of arc boss (6) to be engaged.
3. 3. the protection shell in the secondary power supply of trolley according to claim 2, it is characterised in that：Rear shell in distribution cavity Plate (201) is equipped with the opening (8) through rear coverboard (201), and opening (8) is surrounded less than rectangular cavities on rear coverboard (201) Bottom surface, be open (8) both sides and be installing plate (9) in the distribution cavity, installing plate is interval with some vertical clapboards on (9) (10), the installing plate (9) between vertical clapboard (10) is equipped with the nut (11) for main line installation.
4. 4. the protection shell in the secondary power supply of trolley according to claim 2, it is characterised in that：Under rear shell cover (4) Side wall and be equipped with the second export (12) with the first export (5) corresponding position of distribution cavity, the first export (5) with Second export (12) position correspondence.
5. 5. the protection shell in the secondary power supply of trolley according to claim 1, it is characterised in that：Before procapsid (1) The first cavity of outwardly formation on coverboard (101).
6. 6. the protection shell in the secondary power supply of trolley according to claim 1, it is characterised in that：On the inside of procapsid (1) And the first mounting groove (13) is equipped with along the length direction perpendicular to wiping wire casing (3), the first mounting groove (13) is put down from top to bottom Row and it is interval with three, waterproof adhesive tape is installed between the first mounting groove (13) and wiping wire casing (3).
7. 7. the protection shell in the secondary power supply of trolley according to claim 1, it is characterised in that：On the inside of back casing (2) And positioned at the inner side of rear shell frame, the second mounting groove (14), the second peace are equipped with along the length direction perpendicular to wiping wire casing (3) Tankage (14) is parallel from top to bottom and is interval with three, and waterproof is provided between the second mounting groove (14) and wiping wire casing (3) Adhesive tape.
8. 8. the protection shell in the secondary power supply of trolley according to claim 1, it is characterised in that：It is arranged on procapsid (1) relevant position of the wiping wire casing (3) between back casing (2) is equipped with some threading holes.