TWI634713B - Water-cooled cable terminal seat, water-cooled cable terminal and method for installing cable - Google Patents

Abstract

The present invention relates to a water-cooled cable terminal block, a water-cooled cable terminal, and a cable connection method. Connecting a body of a water-cooled cable terminal block to a power source; and detachably connecting a water-cooled cable terminal to a connector of the water-cooled cable terminal block, so that a terminal connection surface of the water-cooled cable terminal block and the water-cooling A terminal connection surface of the cable terminal is in contact with each other; and then a fixing unit of the water-cooled cable terminal block is fixedly coupled with a fixed unit of the water-cooled cable terminal. The water-cooled cable terminal can be easily assembled or disassembled from the water-cooled cable terminal block by the arrangement of the connector of the water-cooled cable terminal block.

Description

Water-cooled cable terminal block, water-cooled cable terminal, and cable connection method

The present invention relates to a water-cooled cable terminal block, a water-cooled cable terminal, and a cable connecting method, and more particularly to an invention in which a water-cooled cable terminal is detachably connected to a connector of a water-cooled cable terminal block, and a function of facilitating assembly or disassembly can be achieved.

Conventional electric arc furnaces use an electrode rod to generate a high-temperature arc, and the electric shock melts the metal in the furnace. The electric power of the electrode rod is connected to the power source of the transformer through a water-cooled cable to generate a power source.

Referring to Figure 9, the general water-cooled cable terminal (A) has a plurality of fixing holes (A1) through which a plurality of bolts (B) are passed, and the water-cooled cable terminals (A) are used. It is fixed to a conductive seat (C), and the conductive terminal (D) of the power source is connected by the conductive seat (C).

Among them, the electrode of the electric arc furnace requires a high voltage, and the electric arc furnace is operated violently in an environment with a temperature higher than 1500 degrees, so the water-cooled cable needs to be periodically replaced at intervals, for example, one year. However, the electric arc furnace is bulky, the water-cooled cable is relatively heavy, the length is long, the deflection is different, and it is extremely difficult to install. The electric arc furnace has a total of 12 cables in 3 phases. Each time one of the water-cooled cables is replaced, it takes several hours to remove the terminal surface bolts. Re-locking the new cable with bolts is time-consuming and laborious. Due to the harsh working environment of the electric furnace factory, high temperature, dust and toxic gases, many accidents have occurred.

Therefore, the traditional method of replacing the water-cooled cable is time-consuming, labor-intensive and dangerous, resulting in inefficiency and constant accidents in the work safety, so it is in great need of improvement.

In order to solve the problem, the present invention provides a water-cooled cable terminal block, comprising: a body having an extension; a connecting member connected to the extending portion, the connecting member having a tapered terminal connection surface, A peripheral portion of the connector has a terminal block engaging piece; a fixing unit is coupled to the connecting member.

Further, the connecting member is a cap and includes a groove, and the connecting surface of the terminal block is an inner surface of the groove, and is gradually expanded toward the opening of the groove.

Further, the fixing unit includes a fixing hole disposed at an upper edge of the cap and communicating with the groove, and a screw member can pass through the fixing hole.

Further, the seat body is a set of rings.

Further, the base body is a plate body, and the plate body has more than one through hole.

The invention further provides a water-cooled cable terminal, comprising: a terminal body, a tapered connecting surface and a fixed unit, and a terminal engaging piece on the periphery of the terminal body.

Further, the terminal body is a stud, and the connecting surface of the terminal is an outer surface of the stud and is tapered toward an end of the stud.

Further, the fixed unit is a screw hole.

The invention further provides a cable connection method, comprising: connecting a body of a water-cooled cable terminal block to a power source; and detachably connecting a water-cooled cable terminal to a connector of the water-cooled cable terminal block to make the water-cooled cable terminal block A terminal block connection surface and a terminal connection surface of the water-cooled cable terminal are in contact with each other; a fixing unit of the water-cooled cable terminal block is fixedly coupled with a fixed unit of the water-cooled cable terminal.

Further, a terminal block engaging piece on the periphery of the connecting piece and a terminal engaging piece on the periphery of the terminal body are connected by a connecting sleeve.

Further, the power source is connected to a conductive seat, and the seat of the water-cooled cable terminal block is connected to the conductive seat by a bolt.

According to the above technical features, the following effects can be achieved:

1. The water-cooled cable terminal of the present invention is detachably connected to the connector of the water-cooled cable terminal block, and can be easily assembled or disassembled.

2. The connector of the water-cooled cable terminal block of the present invention is a cap and includes a groove, the connecting surface of the terminal block is an inner surface of the groove, and the opening of the groove is tapered and tapered. The terminal body of the water-cooled cable terminal is a stud, and the connecting surface of the terminal is an outer surface of the stud and is tapered toward the end of the stud. By the arrangement of the tapered groove and the tapered stud, the water-cooled cable of one electric arc furnace is replaced, and the original 3 hours and the time limit are 30 minutes.

3. The water-cooled cable terminal block of the invention can directly replace the traditional conductive seat, and directly connected to the conductive terminal of the power supply can save the cost of setting the conductive seat.

(1)‧‧‧Water-cooled cable terminal block

(11) ‧ ‧ collar

(11A)‧‧‧ Board

(111A)‧‧‧Combination holes

(112) ‧‧‧Extensions

(12)‧‧‧Caps

(121) ‧‧‧ Groove

(122)‧‧‧ terminal block connection surface

(123)‧‧‧Terminal seat joint piece

(13)‧‧‧Fixed units

(131)‧‧‧Fixed holes

(132)‧‧‧ Screws

(14)‧‧‧ bolts

(2)‧‧‧Electrical terminals

(3)‧‧‧Water-cooled cable terminals

(31)‧‧‧ terminal body

(32) ‧‧‧ terminal connection surface

(33)‧‧‧ screw holes

(34)‧‧‧Terminal joint pieces

(4)‧‧‧ cable

(5) ‧‧‧Connecting socket

(6) ‧‧‧Water-cooled pipeline

(7)‧‧‧Electric seat

(A)‧‧‧Water-cooled cable terminals

(A1)‧‧‧Extensions

(A2) ‧‧ ‧ electrode holder

(A21) ‧‧‧Fixed holes

(B) ‧‧‧Bolts

(C)‧‧‧Electric seat

(D)‧‧‧Electrical terminals

[First figure] is a schematic view of a water-cooled cable terminal block of the present invention in which a conductive terminal is directly combined with a conductive terminal instead of a conductive seat.

[Second figure] is an exploded perspective view of the water-cooled cable terminal and the water-cooled cable terminal block of the present invention.

[Third image] is a three-dimensional combination diagram of the water-cooled cable terminal of the present invention inserted into the water-cooled cable terminal block.

[Fourth figure] is a three-dimensional schematic diagram of the water-cooled cable terminal of the present invention and the water-cooled cable terminal block being joined by a connecting sleeve.

[Fifth figure] is a schematic perspective view of the water-cooled cable terminal and the water-cooled cable terminal block of the present invention, which are fixed by a fixing unit, such as a bolt.

[Sixth] is a cross-sectional view of the fifth figure.

[Seventh figure] is a schematic perspective view of the water-cooled cable terminal of the present invention further connected to the water-cooled pipeline.

[Eighth image] is a schematic view showing the connection of a conventional conductive seat to the water-cooled cable terminal block of the present invention.

[Ninth Diagram] is an exploded perspective view showing the connection of the electrode holder of the water-cooled cable terminal of the conventional electric arc furnace to the conductive seat.

In combination with the above technical features, the main effects of the water-cooled cable terminal block, the water-cooled cable terminal, and the cable connection method of the present invention will be apparent from the following embodiments.

Referring to the first and second figures, the embodiment includes: a water-cooled cable terminal block (1), comprising: a body, the block is a set of rings (11), and the collar (11) has a An extension (112); a connecting member is connected to the extending portion (112). In this embodiment, the connecting member is a cap (12) and includes a recess (121), the recess (121) The inner surface has a tapered terminal connection surface (122), and the terminal connection surface (122) is gradually expanded toward the opening of the groove (121) [the groove (121) and the terminal block are connected The surface (122) refers to the sixth figure], and has a terminal block engaging piece (123) on the periphery of the cap (12); a fixing unit (13) including a top edge disposed on the cap (12) and connected A fixing hole (131) of the groove (121) and a screwing member (132) can pass through the fixing hole (131).

The collar (11) is directly sleeved on a conductive terminal (2) of a power source.

Referring to the second and third figures, the embodiment further includes: a water-cooled cable terminal (3), comprising: a terminal body (31), the terminal body (31) has a tapered column and has a a tapered terminal connection surface (32) having a tapered shape toward an end of the terminal body (31), the water-cooled cable terminal (3) having a fixed unit, the The fixing unit is a screw hole (33), and a terminal engaging piece (34) is arranged outside the terminal body (31).

The water-cooled cable terminal (3) is used for connecting a cable (4), and the cable (4) is connected to an electrode rod of an electric arc furnace, wherein the cable (4) is connected to the electrode rod of the electric arc furnace. The prior art is not presented in the figure. Inserting the terminal body (31) into the recess (121) of the cap (12), causing the terminal block connecting surface (122) and the terminal connecting surface (32) to be in contact with each other, and the terminal block engaging piece (123) in contact with the terminal engaging piece (34) side by side [the coupling relationship of the terminal body (31) inserted into the cap (12), see Fig. 6].

Referring to the fourth to sixth figures, the terminal block engaging piece (123) of the cap (12) and the terminal engaging piece (34) of the water-cooling cable terminal (3) are connected by a connecting sleeve (5). Thereby, the water-cooled cable terminal (3) is fixed to the water-cooled cable terminal block (1). Moreover, in order to fix the water-cooled cable terminal (3) more stably, the screw member (132) is passed through the fixing hole (131) on the cap (12), and is screwed to the water-cooled cable terminal (3). ) on the screw hole (33).

Referring to the seventh figure, further, a water-cooled pipeline (6) can be connected to the water-cooled cable terminal (3), and water cooling can be performed during the operation of the electric arc furnace to avoid excessive cable temperature.

By the arrangement of the above-mentioned tapered groove and tapered stud, it takes about 2 hours to replace the cable of the electric arc furnace and the terminal of the water-cooled cable. There is no need to disassemble the bolts on the water-cooled cable terminals one by one as in conventional electric arc furnaces.

As shown in the first figure and the second figure, the water-cooled cable terminal block (1) is directly connected to the conductive terminal (2) of the power source, and the water-cooled cable terminal block (1) is connected to the water-cooled cable terminal (3). This embodiment is applicable to electric arc furnaces in new plants. .

However, as shown in the eighth figure, for the electric arc furnace that has been built in the factory, the seat system is used as a plate body (11A), and the plate body (11A) has more than one through hole ( 111A), through a plurality of bolts (14) through the coupling hole (111A) of the plate body (11A), and screwed onto a conductive seat (7) of a power supply, whereby the water-cooled cable terminal block can be (1) is fixedly connected to the conductive seat (7), and the conductive seat (7) is used for connecting the conductive terminal (2) of the power source.

In view of the foregoing description of the embodiments, the operation and the use of the present invention and the effects of the present invention are fully understood, but the above described embodiments are merely preferred embodiments of the present invention, and the invention may not be limited thereto. Included within the scope of the present invention are the scope of the present invention.

Claims (11)

A water-cooled cable terminal block includes: a body having an extending portion; a connecting member connected to the extending portion, the connecting member having a tapered terminal block connecting surface, and a terminal block joint at a periphery of the connecting member a piece; a fixed unit attached to the connector. The water-cooled cable terminal block according to claim 1, wherein the connecting member is a cap and includes a groove, the connecting surface of the terminal block is an inner surface of the groove, and an opening facing the groove It is a progressive type. The water-cooled cable terminal block of claim 2, wherein the fixing unit comprises a fixing hole disposed at an upper edge of the cap and communicating with the groove, and a screw through which the screw can pass . The water-cooled cable terminal block according to claim 1, wherein the seat body is a set of rings. The water-cooled cable terminal block according to claim 1, wherein the base body is a plate body, and the plate body has more than one through hole. A water-cooled cable terminal comprises: a terminal body having a tapered terminal connection surface and a fixed unit having a terminal engaging piece at a periphery of the terminal body. The water-cooled cable terminal according to claim 6, wherein the terminal body is a protrusion, the terminal connection surface is an outer surface of the protrusion, and is tapered toward an end of the protrusion. . The water-cooled cable terminal according to claim 6, wherein the fixed unit is a screw hole. A cable connection method includes: connecting a body of a water-cooled cable terminal block to a power source; detachably connecting a water-cooled cable terminal to a connector of the water-cooled cable terminal block to connect a terminal block of the water-cooled cable terminal block; The surface is in contact with a terminal connection surface of the water-cooled cable terminal; and a fixing unit of the water-cooled cable terminal block is fixedly coupled with a fixed unit of the water-cooled cable terminal. The cable connection method according to claim 9, further comprising a terminal housing connecting piece and a terminal engaging piece on the periphery of the terminal body by a connecting sleeve. The cable connection method according to claim 9, wherein the power source is connected to a conductive seat, and the seat of the water-cooled cable terminal block is connected to the conductive seat by a bolt.