CN102683917A

CN102683917A - Conical compressor for tubular bus bar

Info

Publication number: CN102683917A
Application number: CN2012101556580A
Authority: CN
Inventors: 林锐涛; 林茂青
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-19
Filing date: 2012-05-19
Publication date: 2012-09-19

Abstract

The invention discloses a conical compressor for a tubular bus bar. The conical compressor comprises an inner sleeve and an outer sleeve, wherein the outer sleeve is matched with the inner sleeve, and is sleeved on the inner sleeve through a screw thread; the inner diameter of the inner sleeve is matched with the outer diameter of a tubular bus bar coupling end, so that the inner sleeve can be sleeved on the tubular bus bar coupling end; the outer side walls of the two ends of the inner sleeve are provided with outer conical surfaces contract towards an end part; the inner side wall of the outer bushing is provided with an inner conical surface which is matched with the outer conical surface of the inner sleeve; and when the inner sleeve and the outer sleeve are connected in a matching way through screw threads on the outer conical surface and the inner conical surface, and are contracted and locked axially, the tubular bus bar and a connecting piece inner bushing are tightly and firmly connected into a whole. The conical compressor has the advantages of good surface contact, excellent current conducting performance, high tensile strength and the like, and can be widely applied to connection between the tubular bus bars as well as between the tubular bus bars and other equipment in a power transmission process.

Description

Device is pressed in the taper of pipe bus

Technical field

The present invention relates to electric power power transmission and transformation technical field, device is pressed in the taper of specifically a kind of pipe bus.

Background technology

Existing be used to manage the technology that bus connects and mainly contain two types; One type is to adopt the outer formula of pressing; Promptly the link at the pipe bus is provided with 4 breaches, and inner sleeve directly embeds pipe bus link, on pipe bus link cylindrical, holds and lock bolt tightly with anchor ear again; This method exists profile out-of-flatness, unbecoming, follow-up construction trouble and consumes material many, the limitation that cost is high; Another kind of is on the basis of above-mentioned method of attachment; To manage after bus link breach welding closely fuses its and inner sleeve, and anchor ear removed again, this method has overcome profile out-of-flatness in the said method, unbecoming, many, the defect of high cost of consumption material; Degree is poor, tensile strength is low, the limitation of conductive effect difference but existence is pressed; Particularly in big electric current transmission of electricity process, electronic vibration is prone to cause the loosening distortion in junction, thereby causes pipe bus and connector to come off, break off.

Publication number is CN101615729; The patent application that open day is on December 30th, 2009 discloses a kind of pipe bus connector; This connector is set in pipe bus connecting portion through the conductive sleeve that perisporium is provided with axially open, and adopts the scolder welding identical with pipe bus-bars conductor material to make copper busbar connecting portion and conductive sleeve closely be connected as a single entity at opening part.This connector has overcome the limitation that big current delivery process is prone to loosening distortion to a certain extent, but still has the defective that the junction contact is poor, tensile strength is low, conductive effect is not good enough.

Publication number is CN101043104, open day is that on 09 26th, 2007 patent application discloses a kind of tube bus connector, thereby this tube bus connector adopts the end of copper, aluminium, copper composite pipe bus anchor ear, metallic sheath or through bolt soft copper, aluminium strip directly is fastened on formation tube bus connector on the bus end with the curved metal pressing plate; The soft copper of tube bus connector, aluminium strip are connected with the miscellaneous equipment terminal again; Because this tube bus connector is directly soft copper, aluminium strip to be fastened on the bus end to be integrally formed structure, do not connect the position, there is not contact resistance; Reduce caloric value; Ampacity is big, guarantees that the end of bus can not produce high temperature, safe operation.But this tube bus connector exists outward appearance out-of-flatness, unbecoming, the consumption limitation that material is many, cost is higher equally.

Summary of the invention

For overcoming the limitation of prior art, the purpose of this invention is to provide a kind of be connected firmly compactness, the face contact is good, electric conductivity is good, tensile strength is big pipe bus taper of pipe bus that can make and press device.

To achieve these goals; The present invention adopts following technical scheme: device is pressed in the taper of a kind of pipe bus; Include inner sleeve and outer sleeve; Said outer sleeve and said inner sleeve are complementary and are socketed on the two ends of said inner sleeve respectively through screw thread, and it is characterized in that: said inner sleeve internal diameter and said pipe bus socket end external diameter are complementary and make it can be socketed on the said pipe bus socket end, and its both ends lateral wall is equipped with the male-tapered face that shrinks to the end; Said outer sleeve inwall is provided with the inner conical face that is complementary with inner sleeve male-tapered face; And said inner sleeve and outer sleeve are connected with threaded engagement on the inner conical face through said male-tapered face and when it tightened locking vertically, said pipe bus and connector inner sleeve close and firm fused.

Preferably, said inner sleeve socket end is provided with a plurality of breaches.

Preferably, the said breach on the said inner sleeve has 4 and evenly distribution.

Preferably, said inner sleeve is provided with the breach that connects the inner sleeve head and the tail vertically.

Preferably, the socket end of said pipe bus is provided with breach, and said inner sleeve link external diameter and said pipe bus socket end internal diameter are complementary and closely are embedded in pipe bus socket end inside.

Adopt technique scheme compared with prior art; It is characterized in that inner sleeve is connected with outer sleeve through screw thread and when being socketed on the link of pipe bus and inner sleeve, the male-tapered face of inner sleeve end and the inner conical face of outer sleeve overlap each other merging through screw thread vertically by two ends when the centre is tightened, be socketed on the inner sleeve thereby produce the feasible bus close and firm of managing of radial centripetal compaction forces; Simultaneously; Nationality is by the radially resistance to compression tension force of inner sleeve, makes inner sleeve and outer sleeve to press and the fit that makes pipe bus and inner sleeve close and firm more with bigger radial centripetal power, and the face combination is more even; Electric conductivity is better, and tensile strength is bigger; In addition; The inner sleeve link is provided with breach makes it be socketed on more easily on the pipe bus; Be convenient to installation, breach have a plurality of and evenly distribute and inner sleeve be provided with the breach that connects the inner sleeve head and the tail vertically make when pressing stressed evenly, indeformable; And it is more even to make between pipe bus and the inner sleeve face contact combination, and conductive effect is better; Once more, inner sleeve is threaded easy and simple to handle, quick, time saving and energy saving when making that socket is pressed with the direct employing of outer sleeve.

Description of drawings

Fig. 1 is the structural representation that device is pressed in pipe bus of the present invention taper.

Fig. 2 is the present invention and the structural representation of managing bus and inner sleeve socket.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described further.

Device is pressed in pipe bus taper as shown in Figure 1, includes inner sleeve 2a and two

outer sleeve

3a, 3b, outer sleeve 3a; 3b and inner sleeve 2a are complementary and are connected on the inner sleeve 2a through thread bush, and inner sleeve 2a both ends lateral wall is equipped with the male-tapered face 5a that shrinks to the end, 5b, outer sleeve 3a; The 3b madial wall is provided with and inner sleeve male-tapered face 5a, the inner conical face 4a that 5b is complementary, 4b; And said inner sleeve 2a and

outer sleeve

3a, 3b is through male-

tapered face

5a, 5b and inner conical face 4a; The last threaded engagement of 4b connects and when it tightened locking vertically,

inner sleeve

3a, 3b produce the radial centripetal constrictive force made the connector that is socketed on inner sleeve radially entad press.

As shown in Figure 2,

outer sleeve

3a, 3b and inner sleeve 2a are complementary and are connected on the both ends of inner sleeve 2a through thread bush, inner sleeve 2a internal diameter and pipe bus 1a; 1b socket end external diameter is complementary and makes it can be socketed on pipe bus 1a,

1b socket end

8a, and 8b is last; Inner sleeve 2a both ends lateral wall is equipped with the male-tapered face 5a that shrinks to the end, 5b, outer sleeve 3a; The 3b inwall is provided with and inner sleeve male-tapered face 5a, the inner conical face 4a that 5b is complementary, 4b; And said inner sleeve 2a and

outer sleeve

3a, 3b is through male-

tapered face

5a, 5b and inner conical face 4a; The last threaded engagement of 4b connects and when it tightens locking vertically, manages bus 1a, and 1b and connector inner sleeve 7a close and firm fuse.

Be convenient construction, pipe bus 1a, the socket end 8a of 1b; 8b is provided with the breach of 4 symmetrical distributions, makes that it overlaps the link 9a that receives connector inner sleeve 7a more easily when socket is constructed, and 9b is last; Simultaneously; Inner sleeve 7a is provided with

keeper

6a, and 6b, this keeper are the collar flange that fuses with inner sleeve; According to the socket degree of depth of pipe bus and connector inner sleeve,

keeper

6a, 6b are apart from inner sleeve link 9a, and the length of 9b end and the socket degree of depth are complementary, and make to locate more easily when the pipe bus is socketed on the inner sleeve.Certainly, this

keeper

6a, 6b can be convexities prefabricated and that fuse with inner sleeve, perhaps form through screw thread and the nut that connects on it.Equally; For inner sleeve is socketed on the pipe bus more easily; Inner sleeve socket end is provided with the breach of 4 symmetrical distributions, and one of them breach connects inner sleeve head and the tail vertically, makes when inner sleeve and outer sleeve tighten vertically; The socket of inner sleeve and pipe bus is close and firm more, and face combines more even and indeformable.

Certainly, above-mentionedly just disclose preferred implementation of the present invention, the variation and the modification that are equal in any employing claim scope of the present invention are all in claim scope of the present invention.

Claims

1. device is pressed in pipe bus taper, include inner sleeve (2a) and outer sleeve (3a, 3b); (3a 3b) is complementary with said inner sleeve (2a) and is socketed on the two ends of said inner sleeve (2a) respectively through screw thread said outer sleeve, it is characterized in that: said inner sleeve (2a) internal diameter and said pipe bus (1a; 1b) socket end (8a; 8b) external diameter is complementary and makes it can be socketed on the said pipe bus socket end, and its both ends lateral wall be equipped with the male-tapered face that shrinks to the end (5a, 5b); Said outer sleeve (3a, 3b) madial wall is provided with and inner sleeve (2a) male-tapered face (5a, the inner conical face (4a that 5b) is complementary; 4b), and said inner sleeve (2a) (3a is 3b) through said male-tapered face (5a with outer sleeve; 5b) with inner conical face (4a; Threaded engagement 4b) connects and when it tightened locking vertically, (1a's said pipe bus 1b) fused with connector inner sleeve (7a) close and firm.

2. device is pressed in pipe bus as claimed in claim 1 taper; It is characterized in that: said pipe bus (1a, (8a 8b) is provided with breach to socket end 1b); (9a, 9b) external diameter and said pipe bus socket end internal diameter are complementary and closely are embedded in pipe bus socket end inside said inner sleeve link.

3. device is pressed in pipe bus as claimed in claim 1 taper, it is characterized in that: said inner sleeve is provided with the breach that connects inner sleeve (2a) head and the tail vertically.

4. device is pressed in pipe bus as claimed in claim 1 taper, it is characterized in that: the socket end of said inner sleeve be provided with a plurality of breaches (10a, 10b).