KR200477860Y1 - The clamp for earthing - Google Patents

The clamp for earthing Download PDF

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Publication number
KR200477860Y1
KR200477860Y1 KR2020140001416U KR20140001416U KR200477860Y1 KR 200477860 Y1 KR200477860 Y1 KR 200477860Y1 KR 2020140001416 U KR2020140001416 U KR 2020140001416U KR 20140001416 U KR20140001416 U KR 20140001416U KR 200477860 Y1 KR200477860 Y1 KR 200477860Y1
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KR
South Korea
Prior art keywords
rotary shaft
clamping
base material
grounding
contact
Prior art date
Application number
KR2020140001416U
Other languages
Korean (ko)
Inventor
김경수
김경만
Original Assignee
김경수
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Filing date
Publication date
Application filed by 김경수 filed Critical 김경수
Priority to KR2020140001416U priority Critical patent/KR200477860Y1/en
Application granted granted Critical
Publication of KR200477860Y1 publication Critical patent/KR200477860Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

In particular, the present invention relates to a grounding clamp for an arc welding machine, and more particularly, to a clamp for grounding an arc welding machine, in particular, a clamping device 1 attached to a base material 101, a rotary tool 2 coupled to the clamping tool 1, And a bearing 4 provided between the rotary shaft 2 and the fastening rod 3 and adapted to rotate the rotary shaft 2, A pair of pressure tappers 21 and 21 'which are bolted to the lower portion are formed on one side of the rotary shaft 2, A clamping frame 22 constituted by cutting the clamping band 21 and the clamping band 21 'at a predetermined interval is integrally formed so that the connection rim 11 of the clamping fixture 1 is connected to the rotary shaft 2, And is tightly fitted in the tightening frame 22 of the main body 22 so as to be energized.
Accordingly, the above-described design makes it possible to exert the ground connection (energization) state of the base material and the ground cable excellently, so that accurate and precise arc welding can be performed.

Description

The clamp for earthing}

The present invention relates to a grounding clamp for performing a ground connection between a base material and a grounding cable required for arc welding, and more particularly, to a grounding clamp for improved grounding of a base material and a grounding cable will be.

Generally, an arc welder is composed of an arc welder (electrode rod, electrode cable) and a grounding clamp connecting the grounding cable to the base material to be welded. The grounding clamp, which is a background technique of the present invention, It is a means for interconnecting the ground cable and the base material for grounding purposes.

Therefore, when the operator performs work such as frequent moving work (arc welding) along the base material or rotating and rotating the electrode and base material, the grounding cable is severely twisted with the grounding clamp so that the grounding cable or the grounding clamp Is detached from the base material.

In order to solve the above-mentioned problem in the related art, there has been found a utility model registration No. 360910 "clamp for rotary grounding" (hereinafter referred to as "line registration").

The line registration is briefly described as follows. The registration of the line includes: a fastening rod that is energized with the fastener and the fastener; a rotation hole that is rotated by a bearing inserted in the fastener rod to be energized with the fastener; And a contact electrode to be brought into contact with the fixing member. Normally, the fixing member is connected to the base member and the grounding cable is connected to the rotary member so as to be energized.

However, such a conventional grounding clamp has a structure in which a rotary shaft to which a grounding cable is connected is rotatable from a fixing member,

The twisting phenomenon of the ground cable caused by the rotation of the base material or the frequent movement of the worker is advantageously prevented, but the conductivity transmitted from the ground cable to the base material is remarkably low or the power is frequently cut off there was.

That is, in the grounding clamp, the rotary tool and the fixing tool are electrically connected to each other by the contact pole formed in the clamping rod while coupling the rotary tool connecting the fixing cable and the ground cable to the base material with the clamping rod, And the contact surface is abraded due to the decrease of the resilience of the spring and the abrasion of the contact surface during contact with the inner circumferential surface of the rotary shaft during the long period of use or frequent rotation of the rotary shaft. State failure) is poor,

In order to ensure that the contact pole always comes into contact with the inner circumferential surface of the rotary shaft by the elastic force of the spring, the slip structure of the contact pole must be adopted from the fastening rod. In this case, the contact area between the fastening rod and the contact pole is significantly reduced, And the conduction failure thereof occurred.

For reference, the mutual contact path (hereinafter, referred to as 'energization path') for energizing from the grounding cable to the base metal is a rotary hole through which the grounding cable is connected, and the contact electrode formed on the connecting rod contacts the rotating rod and the connecting rod. The connecting rod and the fixing member are always brought into contact with each other by screwing, but the energization is stable. However, when the contact area between the rotating member and the connecting rod is small, contact failure due to energization by the contact electrode and damage of the contact electrode The above problem has been pointed out.

Therefore, it has been pointed out that the continuous welding operation of the conventional arc welding was not possible, and the welding defect rate due to frequent breakage (defective welding) was remarkably high, and the efficiency of the work and the waste of the working time were serious.

The present invention has been made in order to solve the above-described problems of the related art. In particular, the present invention has been made to improve the contact area between the rotary tool and the fixture while maintaining the conventional rotary function as a grounding clamp, It is designed to increase the efficiency and speed of arc welding with constant conductivity and thus to focus on the technical point of zoom.

The grounding clamp of the arc welding machine of the present invention, which is presented as a means for solving the above problems, comprises a fixture 1 attached to the base material 101, a rotation tool 2 coupled with the fixture 1, And a bearing 4 provided between the rotary shaft 2 and the coupling shaft 3 and configured to rotate the rotary shaft 2 so as to rotate the rotary shaft 2 In a conventional grounding clamp constructed as described above,

A connecting rim 11 is formed to protrude from one side of the fixture 1 and a pair of pressure rods 21 and 21 'to be bolted to the lower portion are formed on one side of the rotary rope 2, And the connecting rim 11 of the fixing member 1 is connected to the tightening frame 22 of the rotary shaft 2 So as to be electrically energized.

The present invention is characterized in that the electric current of the fixture and the rotary shaft is made more stable while maintaining the conventional feature that the rotary shaft connected with the ground cable can smoothly rotate from the fixing shaft connected to the base material,

It is possible to swiftly and precisely perform welding work and to achieve high quality welding by eliminating many problems which have been caused due to poor welding of the fixing member and the rotary tool.

1 is an assembly example of the present invention,
FIG. 2 is a front view of the present invention using a partial cross-
FIG. 3 is a cross-sectional view of an example of a cross-
Fig. 4 is a sectional view of the n-helical part,
5 is a state of use to which the present invention is applied;

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In describing the embodiments of the present invention, explanations, diagrams, and reference symbols for the known functions and configurations of the arc welding machine which may unnecessarily obscure the gist of the present invention will be omitted or briefly explained.

In the following description, the present invention will be described with reference to the front view of FIG.

Generally, arc welding is performed by generating an arc between the base material 101 and the electrode so that the welding rod melts into the welding part to fill the welding part. To this end, a power source must be connected to the base material 101 and the electrode. A tool for connecting the grounding cable 103 connecting the arc welder 102 to the base material 101 is a grounding clamp.

Therefore, in the present invention, the grounding clamp of the arc welder performing the above-described function is provided with a fixture 1 attached to the base material 101, a rotary tool 2 coupled with the fixture 1, And a bearing 4 provided between the rotary shaft 2 and the coupling shaft 3 and configured to rotate the rotary shaft 2 so as to rotate the rotary shaft 2, In the grounding clamp of the present invention,

A connecting rim 11 is formed to protrude from one side of the fixture 1 and a pair of pressure rods 21 and 21 'to be bolted to the lower portion are formed on one side of the rotary rope 2, And the clamping frame 22 is integrally formed by cutting the clamping frame 21 and the clamping band 21 'at regular intervals so that the connection rim 11 of the clamping fixture 1 is fixed to the clamping frame 22 so as to be energized.

Specifically, the fixture 1 is a component part directly attached to the base material 101 during arc welding, and includes a 'C' -shaped structure as shown in FIG. 1 and a crimping screw 104 fastened to the open part of the structure And presses the base material 101 thereon.

Here, the present invention is characterized in that, in the above-described conventional fastener 1, the connection rim 11 is protruded from the opening portion of the 'fixture 1'.

The connection rim 11 is preferably formed in a cylindrical shape having a predetermined size since the connection rim 11 is engaged with the rotary shaft 2 to be described below to rotate the rotary shaft 2.

The fastening rod 3 is screwed to the center of the connection rim 11 of the fastener 1 and has a structure for coupling the rotary member 2 and the bearing 4 to be described later.

At this time, a washer 31 is provided on one side of the fastening rod 3, and the bearing 4 and the rotary shaft 2 are pressed and fixed to the fastener 1 through the washer 31.

The rotary tool 2 is generally cylindrical in shape around the outer periphery of the connecting rod 3 and the outer periphery of the bearing 4. In the present invention, a pair of pressure- 21) are formed on the upper surface of the fixing member 1 and then a clamping frame 22 constituted by cutting the clamping member 21 and the clamping member 21 ' The bearing 11 is formed to be engaged with the tightening frame 22 of the rotary shaft 2 so as to be energized and the bearing clearance groove 41 is formed on the other side of the rotary shaft 2, And then the bearing 4 and the rotary shaft 2 are coupled to the fixing member 1 by the above-described fastening rod 3.

The tightening frame 22 formed at one side of the rotary shaft 2 has a lower pair of pressure belts 21 and 21 ' The outer circumferences of the inner circumferences of the tightening frame 22 and the outer circumferences of the connection rim 11 are in contact with each other so that a larger number So as to have an energizing path.

The tightening frame 22 is cut into a T shape between a pair of pressure rods 21 and 21 'so that tightening and loosening by the pressure rods 21 and 21' Is also irrelevant.

The present invention has a structure in which the fixture 1 and the rotary tool 2 are electrically connected to each other via the interconnecting rim 11 and the tightening frame 22, (5) is provided so as to have a structure in which the connecting rod (3) always contacts and is energized.

That is, a mounting hole 51 having a predetermined depth is formed at the center of the rotary shaft 2, and then a contact pole 5, which is elastically supported by a spring 52, is inserted into the mounting hole 51, (53).

Then, the lower end of the contact pole 5 always comes into contact with the outer periphery of the outer periphery of the fastening rod 3 located at the center of the rotary shaft 2 by the elasticity of the spring, thereby doubling the accuracy of electrification.

In the present invention, an installation hole 12 is formed by a tightening frame 22 of the rotary shaft 2, and a contact screw base 13 is fastened in the mounting hole 12 so that the lower end of the contact screw base 13 is connected to the connection rim 11, So as to be energized while rotating, so that the effect of energization can be more surely expected.

At this time, the rotary shaft 2 coupled with the connection rim 11 is given a rotational force in accordance with the degree of tightness of the pair of pressure rods 21, 21 '.

As described above, according to the present invention, the energizing path of the fastener 1 and the rotary tool 2 in the conventional grounding clamp is largely expanded to the connection rim 11 and the tightening frame 22 as described above The contact electrode 5 is constituted by the rotary shaft 2 and the contact screw base 13 is further provided for the tightening frame 22 of the rotary shaft 2, The contact thread 5 is always brought into contact with the connecting rim 11 and the contact thread 13 is brought into contact with the connecting rim 11 to establish a more reliable energizing path along with the energizing path of the connecting rim 11 and the tightening mold 22, .

Therefore, the present invention maximizes the maintenance of electric current and stability by enlarging the energizing path and maintaining the constant contact (energization) by the above-mentioned method, thereby achieving the accuracy and promptness of arc welding, .

While the invention has been described in conjunction with the accompanying drawings, it is to be understood that the invention is not to be restricted by the preferred embodiment,

Accordingly, it is a matter of course that various modifications and variations can be made in the dimensions, shapes and structures without departing from the scope of the technical idea of the present invention by a person having ordinary skill in the art.

101: base material 102: arc welding machine
103: grounding cable 104: clamping screw
1: Fixture 11: Connection rim
12: Mounting hole 13: Contact screw
2: rotation hole 21, 21 ': pressure roller
22: fastening frame 3: fastening rod
31: washer 4: bearing
41: Bearing housing groove 5: Contact pole
51: installation hole 52: spring
53: Coupling screw

Claims (3)

A fixing rod 1 attached to the base material 101, a rotation hole 2 engaged with the fixing hole 1, a connecting rod 3 supporting the rotation hole 2 while being energized to the fixing hole 1, And a bearing (4) provided between the rotary shaft (2) and the fastening rod (3) for rotating the rotary shaft (2)
Wherein the connection rim (11) of the fixture (1) is fitted into the tightening frame (22) of the rotary tool (2) so that the rotary tool (2) Wherein at least one contact screw base (13) which always contacts the connection rim (11) of the fastener (1) is formed by the fastener (22). delete delete
KR2020140001416U 2014-02-24 2014-02-24 The clamp for earthing KR200477860Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020140001416U KR200477860Y1 (en) 2014-02-24 2014-02-24 The clamp for earthing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020140001416U KR200477860Y1 (en) 2014-02-24 2014-02-24 The clamp for earthing

Publications (1)

Publication Number Publication Date
KR200477860Y1 true KR200477860Y1 (en) 2015-08-03

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ID=54014344

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Application Number Title Priority Date Filing Date
KR2020140001416U KR200477860Y1 (en) 2014-02-24 2014-02-24 The clamp for earthing

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102003330B1 (en) * 2018-10-02 2019-07-24 (주)한양기술공업 Welding jig

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000506668A (en) * 1996-02-15 2000-05-30 パン エレクトリック コーポレイション Ground rod connector
KR200360910Y1 (en) * 2004-06-22 2004-09-07 김경만 A rotatable earth clamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000506668A (en) * 1996-02-15 2000-05-30 パン エレクトリック コーポレイション Ground rod connector
KR200360910Y1 (en) * 2004-06-22 2004-09-07 김경만 A rotatable earth clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102003330B1 (en) * 2018-10-02 2019-07-24 (주)한양기술공업 Welding jig

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