CN210536246U

CN210536246U - Semi-closed control small bus connecting support

Info

Publication number: CN210536246U
Application number: CN201921506916.9U
Authority: CN
Inventors: 徐龙; 张丰睿; 王伟
Original assignee: Liaoning Huaye Group Development Co Ltd
Current assignee: Liaoning Huaye Group Development Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-15
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a semi-enclosed control small bus connecting support, which comprises a small bus base and an installation guide rail, wherein the small bus base comprises a conductive bar, an insulation module, a bearing plate and an insulation cover plate, the conductive bar is in a U-shaped structure, both ends of the conductive bar are provided with threaded holes, and the top surface of the conductive bar is a horizontal plane; blind holes are formed in the two ends of the insulating module, fixing screws are connected with the conducting bars through threaded holes, and the bottom ends of the fixing screws are inserted into the blind holes; the bearing plate is arranged in the insulating module, the compression screw is in threaded connection with the bearing plate, the bottom end of the compression screw is used for controlling the small bus to be compressed on the conducting bar, and the insulating cover plate is arranged on the upper portion of the compression screw and is in buckled connection with the insulating module. The advantages are that: the method has the advantages of wide application range, large effective contact area, firm crimping, large safety distance and convenient positioning.

Description

Semi-closed control small bus connecting support

Technical Field

The utility model belongs to the bus connection field especially relates to a semi-enclosed little generating line linking bridge suitable for 10-35kV high tension switchgear.

Background

The control small bus is widely applied to a 10-35kV high-voltage switch cabinet, is arranged in a small bus chamber at the top of a series of switchgear, is a common collecting line of an operating power supply, a control power supply signal power supply and the like, and plays a role in collecting and distributing electric energy. The control small bus is usually connected by a copper bar or a cable, so that secondary cables can be saved, and a loop is simplified.

When the existing small bus frame adopts a copper bar form, the connecting method is to bend a metal sheet into a U shape, and the cross section of the sheet and the surface of a conductive bar bent into a V shape are used for crimping the outer diameter of the copper bar, and due to line contact, the defects of insecure connection, small contact area and the like exist, and large-range protection and control loop failure are easily caused.

When the existing small bus frame adopts a copper bar form, adjacent small buses are fastened by copper sleeves, the requirement of the distance between the adjacent small buses is considered, the copper sleeves need to be arranged in a staggered mode, the length of each section of small bus is different, and inconvenience is brought to field selection and installation.

The top of the existing small bus frame adopts an open structure, and when the cover plate of the small bus chamber is deformed under stress, the distance between an electrified conductor and the ground is easy to be small, so that short circuit accidents occur, and the safety production operation is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a semi-closed control small bus connecting bracket, which increases the contact area between the small bus and the conducting bar and solves the problems of small contact area and insecure connection; the method of arranging the insulating cover plate prevents the distance between the electrified conductor and the ground from being small.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

a semi-closed type control small bus connecting support comprises a small bus base and a mounting guide rail, wherein the small bus base comprises a conductive bar, an insulating module, a bearing plate and an insulating cover plate, the conductive bar is of a U-shaped structure, both ends of the conductive bar are provided with threaded holes, and the top surface of the conductive bar is a horizontal plane; blind holes are formed in the two ends of the insulating module, fixing screws are connected with the conducting bars through threaded holes, and the bottom ends of the fixing screws are inserted into the blind holes; the bearing plate is arranged in the insulating module, the compression screw is in threaded connection with the bearing plate, the bottom end of the compression screw is used for controlling the small bus to be compressed on the conducting bar, and the insulating cover plate is arranged on the upper portion of the compression screw and is in buckled connection with the insulating module.

The conducting bar is made of a red copper plate.

The end part of the small control bus is provided with an upper plane and a lower plane.

The insulation module comprises a left insulation module and a right insulation module, and the left insulation module is spliced with the right insulation module.

The installation guide rail on the buckle be connected with two above little bus bar seats.

And a clamping groove is formed at the bottom of the insulating module.

The insulating cover plate is characterized in that hook-shaped structures are arranged at two ends of the insulating cover plate, grooves matched with the hook-shaped structures are arranged at two ends of the top of the insulating module, a cavity used for containing a compression screw is arranged at the top of the insulating module, and the insulating cover plate covers the cavity.

The conducting bar is at least compressed with two control small buses.

Compared with the prior art, the beneficial effects of the utility model are that:

the semi-closed control small bus connecting bracket has the advantages of wide application range, large effective contact area, firm crimping, large safety distance and convenient positioning. The method for clamping the control small bus by the conducting bar and the compression screw is adopted, and the contact surface for controlling the small bus adopts a plane, so that the contact area between the control small bus and the conducting bar is increased, the problems of small contact area and loose connection are effectively solved, and meanwhile, the control small buses with different wire diameters can be effectively connected with the conducting bar. The insulation module adopts a split structure design, so that the installation of the bearing plate and the conducting bar can be facilitated; through establishing insulating apron additional, effectively solve electrified conductor and to the little problem of ground distance. Meanwhile, the small bus is controlled to be manufactured into a standard length according to the width of the cabinet body, one cabinet and one lap joint are realized, and standardized manufacturing, transportation and field installation are facilitated.

Drawings

Fig. 1 is a front sectional view of a small bus bar housing.

Fig. 2 is a side view of a small bus bar receptacle.

Fig. 3 is a top view of a small bus bar socket.

Fig. 4 is a schematic view of the mounting of the small bus bar base to the mounting rail.

In the figure: 1-left insulating module 2-right insulating module 3-conducting bar 4-insulating cover plate 5-bearing plate 6-control small bus 7-mounting guide rail 8-compression screw 9-fixing screw.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.

Referring to fig. 1-4, a semi-enclosed connecting bracket for controlling a small bus 6 comprises a small bus base and a mounting guide rail 7, wherein the small bus base comprises a conductive bar 3, an insulating module, a bearing plate 5 and an insulating cover plate 4, the conductive bar 3 is in a U-shaped structure, both ends of the conductive bar are provided with threaded holes, the threaded holes and fixing screws 9 can be used as connecting terminals for connecting secondary wires, and the top surface of the conductive bar is a horizontal plane; blind holes are formed in the two ends of the insulating module, fixing screws 9 are connected with the conducting bars 3 through threaded holes, and the bottom ends of the fixing screws 9 are inserted into the blind holes; bearing plate 5 sets up in insulating module, and bearing plate 5 adopts the copper preparation of threaded hole, and

housing screw

8 and 5 threaded connection of bearing plate, the 8 bottom of housing screw will control little generating line 6 and compress tightly on leading electrical drainage 3, and insulating cover plate 4 sets up on housing screw 8 upper portion to be connected with insulating module buckle, insulating cover plate 4 multiplicable electrified body is to the safe insulating distance on ground. The insulating module is provided with a groove for installing the conductive bar 3 and the bearing plate 5, the U-shaped conductive bar 3 with the threaded hole is limited in the groove in the insulating module, and the small control bus 6 is pressed on the conductive bar 3 through a compression screw 8 screwed on the bearing plate 5.

Referring to fig. 1, the conductive bar 3 is made of copper plate, preferably T2 copper plate, and the surface is treated by tin plating or silver plating to increase conductivity. The end part of the small control bus 6 is provided with an upper plane and a lower plane, and is connected with the conductive bar 3 in a surface-to-surface compression mode, so that the contact area of the conductor is increased, the contact resistance is reduced, and the current carrying is increased. At least two control small buses 6 are pressed on the conducting bar 3, as shown in fig. 1, the two control small buses 6 with different diameters are respectively inserted into two ends of the insulating module and are respectively fixed through pressing screws 8, so that the two control small buses 6 are electrically connected.

Referring to fig. 1-3, the insulating module comprises a left insulating module 1 and a right insulating module 2, the left insulating module 1 is inserted into the right insulating module 2, and the installation of the conducting bar 3 and the bearing plate 5 is facilitated by adopting the structure. The bottom of the insulating module is provided with a clamping groove for installing and fixing the guide rail 7. The installation guide rail 7 is connected with more than two small bus seats through the buckles, see fig. 4, and flexible assembly can be needed.

Referring to fig. 1, hook-shaped structures are arranged at two ends of an insulating cover plate 4, grooves matched with the hook-shaped structures are arranged at two ends of the top of an insulating module, a cavity used for containing a compression screw 8 is arranged at the top of the insulating module, the insulating cover plate 4 covers the cavity to form a semi-closed isolation space, and the insulating distance of an electrified body to the ground is increased.

During actual construction, the small bus 6 is controlled to be made into a standard length according to the width of the cabinet body, one cabinet and one lap joint are realized, and standardized manufacture, transportation and field installation are facilitated.

The semi-closed type control small bus 6 connecting bracket has the advantages of wide application range, large effective contact area, firm crimping, large safety distance, convenience in positioning and the like.

Claims

1. A semi-closed type control small bus connecting support is characterized by comprising a small bus base and a mounting guide rail, wherein the small bus base comprises a conductive bar, an insulating module, a bearing plate and an insulating cover plate, the conductive bar is of a U-shaped structure, both ends of the conductive bar are provided with threaded holes, and the top surface of the conductive bar is a horizontal plane; blind holes are formed in the two ends of the insulating module, fixing screws are connected with the conducting bars through threaded holes, and the bottom ends of the fixing screws are inserted into the blind holes; the conductive bar and the bearing plate are arranged in the insulating module, the compression screw is in threaded connection with the bearing plate, the bottom end of the compression screw compresses the control small bus on the conductive bar, and the insulating cover plate is arranged on the upper portion of the compression screw and is in buckled connection with the insulating module.

2. The semi-enclosed control busbar connecting bracket as claimed in claim 1, wherein said conductive bars are made of copper plate.

3. The semi-enclosed control busbar connection bracket according to claim 1, wherein said control busbar has upper and lower flat surfaces at its ends.

4. The semi-enclosed control small bus bar connection bracket according to claim 1, wherein the insulation modules comprise a left insulation module and a right insulation module, and the left insulation module is inserted into the right insulation module.

5. The semi-enclosed control small busbar connection bracket according to claim 1, wherein more than two small busbar seats are connected to the mounting rail in a snap fit manner.

6. The semi-enclosed control mini bus bar connecting bracket as claimed in claim 1, wherein the bottom of the insulating module is provided with a slot.

7. The semi-enclosed control small bus connecting bracket as claimed in claim 1, wherein hook structures are provided at both ends of the insulating cover plate, grooves for engaging with the hook structures are provided at both ends of the top of the insulating module, a cavity for receiving the compression screw is provided at the top of the insulating module, and the insulating cover plate covers the cavity.

8. The semi-enclosed control busbar connecting bracket according to claim 1, wherein at least two control busbars are pressed on the conductive bar.