CN214589633U

CN214589633U - Conductor quick connector without shutdown of single-core BTTZ cable production line

Info

Publication number: CN214589633U
Application number: CN202120532590.8U
Authority: CN
Inventors: 刘万朋; 王国强; 徐振莹; 赫英雪
Original assignee: Liaoning Jinda Cable Co ltd
Current assignee: Liaoning Jinda Cable Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-02
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a single core BTTZ cable manufacture line does not shut down conductor quick-operation joint, this conductor quick-operation joint include the cylindrical linkage segment that equals with raw material conductor diameter, are equipped with the cylindrical grafting section that can insert raw material conductor grafting fabrication hole in the both sides of linkage segment, the diameter of grafting section is less than the diameter of linkage segment, is equipped with the anti-slipping structure that prevents to pull in-process grafting section and drop from raw material conductor's grafting fabrication hole at the cylinder of grafting section, is equipped with toper, frustum shape or hemisphere guide head at the tip of grafting section. Make this conductor quick-operation joint can be with two dish raw materials conductor end to end connection, need not to park just can leading-in to the production line with the conductor of new change, realize the quick replacement of conductor, have save time, laborsaving, conductor loss advantage such as few.

Description

Conductor quick connector without shutdown of single-core BTTZ cable production line

Technical Field

The utility model relates to a be used for the joint of connecting conductor in the cable production process, especially a conductor quick-operation joint that conductor was used is connected in not shutting down among single core BTTZ mineral insulated cable production line.

Background

The BTTZ mineral insulated cable is a fireproof cable with an outer layer made of a welded copper pipe sheath, a middle filled with magnesium oxide crystal powder as an insulating material and an inner layer made of a solid copper conductor. The production process of BTTZ mineral insulated cables generally comprises the following steps: 1) shaping the copper strip in a flat state through a shaping die, and gradually bending the copper strip into a copper tube state; 2) before two sides of the copper pipe are close to the closure, the conductive wire core is fixed in the middle of the copper pipe before filling magnesium oxide, and then the magnesium oxide is automatically filled in the copper pipe through equipment; 3) longitudinally welding the copper pipes after the copper pipes are folded; 4) directly conveying the welded copper pipe to a front-end roller through a guide wheel, and performing 360-degree step-by-step rolling through a plurality of groups of rollers to preliminarily compact magnesium oxide to obtain a semi-finished product; 5) and then extruding and drawing the semi-finished product by using annular equipment to obtain the BTTZ mineral insulated cable. In the prior art, a special connector for connecting conductors in a BTTZ cable production line is not available, when one conductor is used up and another conductor is replaced, the cable needs to be stopped first, the newly replaced conductor is dragged to the last-stage roller along the production line again, and then the cable is driven. Therefore, when the conductor is replaced, the workload of operators is large, the production efficiency is low, and the conductor is wasted.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is: the utility model provides a single core BTTZ cable manufacture line does not shut down conductor quick-operation joint makes this conductor quick-operation joint can be with two coils of raw materials conductor end to end connection, need not to park just can lead-in the production line with the conductor of new change, realizes the quick replacement of conductor, has labour saving and time saving, advantages such as conductor loss is few.

The technical scheme for solving the technical problem is as follows: the utility model provides a single core BTTZ cable manufacture line does not shut down conductor quick-operation joint, includes the cylindrical linkage segment that equals with raw material conductor diameter, is equipped with the cylindrical grafting section that can insert raw material conductor grafting fabrication hole in the both sides of linkage segment, the diameter of grafting section is less than the diameter of linkage segment, is equipped with the anti-slipping structure that prevents to pull in-process grafting section and drop from raw material conductor's grafting fabrication hole at the cylinder of grafting section.

As a further improvement of the utility model: the end of the insertion section is provided with a conical, frustum-shaped or hemispherical guide head.

As a further improvement of the utility model: the diameter difference between the connecting section and the inserting section is not less than one fourth of the diameter of the connecting section.

As a further improvement of the utility model: the anti-slip structure is an external thread formed on the cylindrical surface of the insertion section, and the external threads on the surfaces of the insertion sections on the two sides of the connecting section are opposite in rotation direction.

As a further improvement of the utility model: the cylindrical surface of the connecting section is at least provided with 1 clamping plane which is used for being matched with a spanner.

As a further improvement of the utility model: the anti-slip structure is a plurality of annular grooves which are arranged on the cylindrical surface along the length direction of the splicing section.

As a further improvement of the utility model: the width of the annular groove is not less than one quarter of the diameter of the connecting section.

As a further improvement of the utility model: the depth of the annular groove is not less than one quarter of the diameter of the connecting section.

Has the advantages that: the utility model discloses a conductor quick-operation joint that does not shut down of single core BTTZ cable manufacture line, owing to adopted conductor quick-operation joint includes the cylindrical linkage segment that equals with raw material conductor diameter, is equipped with the cylindrical grafting section that can insert raw material conductor grafting fabrication hole in the both sides of linkage segment, the diameter of grafting section is less than the diameter of linkage segment, is equipped with the technical scheme that prevents the anti-slipping structure that the grafting section drops from the grafting fabrication hole of raw material conductor in the traction process at the cylinder of grafting section, inserts the grafting section of linkage segment both sides respectively to the grafting fabrication hole of conductor tail end on the current production line and the grafting fabrication hole of conductor front end to be changed during the use, and makes the grafting section fix respectively in the grafting fabrication hole of two conductors to realize two conductors quick connections, and the coupling part diameter of two conductors can not be greater than the diameter of raw material conductor, therefore, the newly replaced conductor can be smoothly led into the production line, the conductor replacement operation process does not need to be stopped, and the conductor replacement device has the advantages of time saving, labor saving, less conductor loss and the like. The technical characteristics of the conical, frustum-shaped or hemispherical guide head arranged at the end part of the insertion section are adopted, so that the process of inserting the insertion section into the insertion process hole of the conductor is more convenient and smooth, and the diameter difference between the connection section and the insertion section is reasonably limited, so that the insertion section and the insertion process hole section of the conductor have enough strength respectively, and the conductor is prevented from being broken in the traction process. The anti-slipping structure is characterized in that the external threads are formed on the cylindrical surface of the insertion section, and the external threads on the surfaces of the insertion sections on the two sides of the connection section are opposite in rotation direction, so that the operation of the connection process of the conductor is more convenient, the used tools are simpler, and the connection speed of the conductor is higher. Due to the technical characteristic that at least 1 clamping plane matched with the wrench is arranged on the cylindrical surface of the connecting section, the operation is more convenient when the connecting section is screwed by the wrench. Due to the technical characteristic that the anti-skid structure is a plurality of annular grooves which are arranged on the cylindrical surface along the length direction of the inserting section, the inserting section can be quickly pressed in the inserting technical hole of the conductor by using a special pressing tool, and the tensile effect is better. Because the width and the depth of the annular groove are reasonably limited, the tensile strength of the plug-in section is ensured, the plug-in section which is pressed in the plug-in technical hole of the conductor can form the interactive connection effect of my and my with the conductor, the connected conductor cannot be broken in the powerful drawing process, and the connection strength of the conductor is higher.

Drawings

The single core BTTZ cable production line conductor quick connector of the present invention will be further described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic view of a conductor quick joint structure without shutdown in a single-core BTTZ cable production line adopting an external thread anti-slip structure;

fig. 2 is a schematic view of a conductor quick joint structure without shutdown in a single-core BTTZ cable production line adopting an annular groove anti-slip structure.

Detailed Description

As shown in fig. 1 and fig. 2, the utility model discloses a conductor quick-operation joint is not shut down to single core BTTZ cable manufacture line, include the cylindrical linkage segment 1 that equals with raw material conductor diameter, be equipped with the cylindrical grafting section 2 that can insert raw material conductor grafting fabrication hole in the both sides of linkage segment, the diameter D of grafting section is less than the diameter D of linkage segment, preferably, the diameter difference of linkage segment and grafting section is not less than the fourth of linkage segment diameter. The cylindrical surface of the insertion section is provided with an anti-slip structure for preventing the insertion section from being pulled out from the insertion process hole of the raw material conductor in the traction process, and the end part of the insertion section is provided with a conical, frustum-shaped or hemispherical guide head 21.

As shown in fig. 1, the anti-slip structure is an external thread 22 formed on the cylindrical surface of the insertion section, the rotation directions of the external threads on the surfaces of the insertion section on both sides of the connection section are opposite, at least 1 clamping plane 11 for matching with a wrench is arranged on the cylindrical surface of the connection section, two parallel clamping planes are usually arranged on the cylindrical surface of the connection section in the actual production and use processes, so that the connection operation of the conductor can be completed by using a common wrench, and when the clamping plane is not arranged on the cylindrical surface of the connection section, a wrench or a pipe wrench with teeth is required to complete the screwing operation.

As shown in fig. 2, the anti-slip structure is a plurality of parallel annular grooves 23 arranged on the cylindrical surface along the length direction of the plug section, the width L of the annular groove is not less than one fourth of the diameter of the connecting section, and the depth H of the annular groove is not less than one fourth of the diameter of the connecting section.

The utility model discloses a single core BTTZ cable manufacture line does not shut down conductor quick-operation joint adopts the bar copper the same with the conductor to make.

In the using process, the plugging process hole is drilled in the center of the conductor along the axial direction of the conductor. When the conductor quick connector is not stopped in a single-core BTTZ cable production line with an anti-slipping structure as an external thread, a screw tap is needed to form an internal thread in an inserting process hole, inserting sections on two sides of a connecting section into the inserting process hole with the internal thread respectively, screwing the connecting section with a wrench, under the action of forward and reverse threads, conductors on two sides of the connecting section are drawn close to the middle, and when the end part of the conductor is tightly attached to the end surface of the connecting section, the connection of the conductors is completed. When adopting the anti-slipping structure to be the single core BTTZ cable manufacture line of ring channel not shut down conductor quick-operation joint, need use dedicated crimping tool, be about to the grafting section at conductor quick-operation joint both ends insert the grafting process hole of conductor respectively, put in right angle shape positioning die groove, carry out the extrusion of multi-angle with V-arrangement mould pressure head to the conductor outer surface that the grafting section corresponds, press into you with conductor and grafting section and have me, my cross connection state in my, accomplish the high-speed joint of conductor.

The above description is only a preferred embodiment of the present invention, and those skilled in the art can make many changes in the detailed description and the application range of the shape and the size of the quick coupling according to the idea of the present invention, so long as the changes do not depart from the concept of the present invention, and they fall into the protection scope of the present invention.

Claims

1. The utility model provides a single core BTTZ cable manufacture line does not shut down conductor quick-operation joint, includes the cylindrical linkage segment that equals with raw materials conductor diameter, characterized by: the cylindrical insertion sections capable of being inserted into the raw material conductor insertion process holes are arranged on two sides of the connection section, the diameter of each insertion section is smaller than that of the connection section, and the cylindrical surfaces of the insertion sections are provided with anti-slip structures for preventing the insertion sections from falling off from the raw material conductor insertion process holes in the traction process.

2. The non-stop conductor quick connector for a single-core BTTZ cable production line of claim 1, which is characterized in that: the end of the insertion section is provided with a conical, frustum-shaped or hemispherical guide head.

3. The non-stop conductor quick connector for a single-core BTTZ cable production line of claim 1, which is characterized in that: the diameter difference between the connecting section and the inserting section is not less than one fourth of the diameter of the connecting section.

4. A single core BTTZ cable production line non-stop conductor quick connector as claimed in any one of claims 1 to 3, characterized by: the anti-slip structure is an external thread formed on the cylindrical surface of the insertion section, and the external threads on the surfaces of the insertion sections on the two sides of the connecting section are opposite in rotation direction.

5. The non-stop conductor quick connector for a single-core BTTZ cable production line of claim 4, which is characterized in that: the cylindrical surface of the connecting section is at least provided with 1 clamping plane which is used for being matched with a spanner.

6. A single core BTTZ cable production line non-stop conductor quick connector as claimed in any one of claims 1 to 3, characterized by: the anti-slip structure is a plurality of annular grooves which are arranged on the cylindrical surface along the length direction of the splicing section.

7. The non-stop conductor quick connector for a single-core BTTZ cable production line of claim 6, which is characterized in that: the width of the annular groove is not less than one quarter of the diameter of the connecting section.

8. The non-stop conductor quick connector for a single core BTTZ cable production line of claim 7, wherein: the depth of the annular groove is not less than one quarter of the diameter of the connecting section.