CN200983468Y

CN200983468Y - Rotation-prevention connection pole

Info

Publication number: CN200983468Y
Application number: CN 200620170954
Authority: CN
Inventors: 王和平
Original assignee: XUZHOU MINE MACHINE FACTORY
Current assignee: XUZHOU MINE MACHINE FACTORY
Priority date: 2006-12-15
Filing date: 2006-12-15
Publication date: 2007-11-28
Anticipated expiration: 2016-12-15

Abstract

The utility model discloses a binding post for preventing rotary, which belongs to mining explosion-proof electric equipment. Two sections of quadrangulars are mutually dislocated intersect in an angle of 45 degrees at upper portion of an insulating sleeve tube, or a corner is cut under the inferior quadrangular at a certain angle. A check plate formed by a strip steel bar is fixed on a separator surface. One side of the check plate abuts against the cylindrical surface of the insulating sleeve tube quadrangular, or is pressed under the corner which is cut under the insulating sleeve tube quadrangular. All the upper quadrangulars have deflection of 45 degrees and the lower quadrangulars are arranged vertically, when a plurality of binding posts are assembled on the same line, then a set of binding posts can be positioned by an integral positioning strip-shaped steel bar which is weld on the separator simultaneously. The utility model has the advantages of easy welding operation, and engageable accuracy can be easily guaranteed. Simultaneously, the utility model greatly reduces process work time and cost of materials, and has beautiful appearance.

Description

The anti-rotation binding post

Technical field

The utility model belongs to the mine anti-explosion electric equipment, is specifically related to a kind of anti-rotation binding post.

Background technology

According to the requirement of national explosion-proof criteria, power is greater than 250W, and rated current except main chamber, also must be provided with wire connection cavity greater than the flame-proof mine electric equipment of 5A.Be one deck dividing plate between main chamber and the wire connection cavity, realize being electrically connected of two chambeies by the binding post that runs through the flame proof hole on the dividing plate.As shown in Figure 1, binding post mainly is by pressing plate 2, conducting block 3, and conducting rod 4, insulating sleeve 5, insulating cell 6 and standard fasteners are formed.Wherein insulating sleeve and insulating cell are the compression moulding part, shown in Fig. 1-2.During assembling, bottom with insulating sleeve is installed on the flame proof hole earlier, the centre bore that again conducting rod is passed insulating sleeve is connected with the conducting block on insulating sleeve top, at this moment, two bolts and pressing plate have been installed on the conducting block, in order to crimping cable lead 10, then, put insulating cell 6 below dividing plate 8, metal washer screws copper nut.At last, put main traverse line connector lug 7 again, compress with nut.

Convenience for the ease of the coal mine user wiring, binding post in the wire connection cavity generally rotates a certain angle and places as 45 degree, be the reduction of avoiding the accident of being short-circuited or preventing security performance simultaneously, national standard is also stipulated, binding post will have the anti-rotation measure after installing, and can not rotate because of user's crimping cable.At present, anti-rotation measure commonly used is between insulating sleeve and dividing plate check plate to be installed, and shown in Fig. 1-4, this check plate is plastics rolled-up stock or punching of the steel plate spare normally.Should be noted that this measure needs certain machining accuracy, at first the pitch-row of corresponding three circular holes will have consistency preferably on the pitch-row of three square openings on the check plate and the dividing plate, if deviation just might make binding post install greatly.Secondly, the matched in clearance of the square step on square opening and the insulating sleeve is wanted suitably, and the gap can not be excessive, otherwise, the angle that three binding posts are rotated differ to, influence attractive in appearance, otherwise if the gap is too small, then when pitch-row had deviation slightly, insulating sleeve just might not installed.In addition, also have some producers to consider for economy, without check plate, but at the other welding in each flame proof hole of dividing plate one little block plate, this steel plate nestles up on the cylinder of insulating sleeve quadrangular, to reach the purpose of anti-rotation.But binding post is deflection 45 degree to be placed, so each little steel plate also will tilt to place, this is pretty troublesome in practical operation, and is difficult to guarantee the angle unanimity of each steel plate deflection.So it is not very attractive in appearance yet.

Summary of the invention

The purpose of this utility model is the above-mentioned shortcoming that overcomes prior art, and a kind of anti-rotation binding post is provided.

The utility model is realized with following technical scheme: a kind of anti-rotation binding post, comprise pressing plate, conducting block, conducting rod, insulating sleeve, insulating cell, dividing plate, check plate and standard fasteners, the bottom of insulating sleeve is installed in the flame proof hole on the dividing plate, the centre bore that conducting rod passes insulating sleeve is connected with the conducting block on insulating sleeve top, the pressing plate of two bolts and crimping cable lead is installed on the conducting block, below dividing plate, be with insulating cell and screw nut, insulating sleeve top is two sections four prisms cylinders that link into an integrated entity, it is characterized in that: a, two sections quadrangular mutual dislocation 40-60 degree angles on insulating sleeve top, or when two sections quadrangulars did not misplace, the below of quadrangular was below pruned one jiao along certain angle, was equaled or be slightly larger than the thickness of check plate by the height of top rake; B, check plate are one to be fixed on the strip steel plate on the dividing plate plate face, on one side its abut against on the cylinder of insulating sleeve quadrangular, or be pressed on the angle of being pruned under the insulating sleeve quadrangular below.

Owing to adopted technique scheme, when a winding terminal is installed on the same straight line, if the equal deflection 40-60 of the four prisms cylinder degree of upper end is placed, the quadrangular of its underpart then is in and is just putting the position so, an one side is then all located at grade, like this, just can simultaneously a winding terminal be located with a location strip steel plate that is welded on the integral body on the dividing plate.

The beneficial effects of the utility model are: the positioning strip steel is all parallel with the three hole lines of centres on the dividing plate with the one side that insulating sleeve combines, so welding the time is operated easily, and quality of fit guarantees easily.Simultaneously, machining period and material cost all reduce greatly.In addition, because by same check plate location, the angle unanimity that a winding terminal tilts is comparatively attractive in appearance.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the prior art structural representation;

Fig. 1-the 1st, the vertical view of Fig. 1;

Fig. 1-2 is a prior art insulating sleeve structural representation;

Fig. 1-the 3rd, the upward view of Fig. 1-2;

Fig. 1-the 4th, prior art check plate structural representation;

Fig. 2 is the utility model structural representation;

Fig. 2-the 1st, the vertical view of Fig. 2;

Fig. 2-the 2nd, two sections quadrangular mutual dislocation miter angle structural representations on insulating sleeve top;

Fig. 2-the 3rd, Fig. 2-2 upward view;

Quadrangular below Fig. 2-the 4th, the insulating sleeve below corner structure schematic diagram of pruning;

Fig. 2-the 5th, Fig. 2-4 upward view.

Among the figure: 1 bolt, 2, pressing plate, 3, conducting block, 4, conducting rod, 5, insulating sleeve, 6, insulating cell, 7, connector lug, 8, dividing plate, 9, check plate, 10, cable core.

Embodiment

As Fig. 2, shown in Fig. 2-1, the anti-rotation binding post comprises the pressing plate 2 of a crimping cable heart yearn 10, conducting block 3, conducting rod 4, insulating sleeve 5, insulating cell 6, dividing plate 8, check plate 9, two bolts 1 and standard fasteners, the bottom of insulating sleeve 5 is installed in the flame proof hole on the dividing plate 8, the centre bore that conducting rod 4 passes insulating sleeve is connected with the conducting block 3 on insulating sleeve top, the pressing plate 2 of two bolts and crimping cable lead is installed on the conducting block, below dividing plate, be with insulating cell 6 and screw nut, insulating sleeve top is two sections four prisms cylinders that link into an integrated entity, and check plate 9 is one to be welded on the strip steel plate that is pressed on the dividing plate plate face under angle of insulating sleeve quadrangular.Shown in Fig. 2-2, Fig. 2-3, two sections quadrangular mutual dislocation miter angles on insulating sleeve top.When a winding terminal (three) is installed, if equal deflection 45 degree of the four prisms cylinder of upper end are placed, the quadrangular of its underpart then is in and is just putting the position so, an one side is then all located at grade, like this, and just can be with a positioning strip steel that is welded on the integral body on the dividing plate simultaneously with three binding post location, because, this positioning strip steel is all parallel with the three hole lines of centres on the dividing plate with the one side that insulating sleeve combines, so welding the time is operated easily, and quality of fit guarantees easily.Simultaneously, machining period and material cost all reduce greatly, in addition, because by same check plate location, and the angle unanimity that a winding terminal tilts is comparatively attractive in appearance.

Shown in Fig. 2-4, Fig. 2-5, the quadrangular of former insulating sleeve bottom is pruned one jiao, also can reach same locating effect.

Claims

1, a kind of anti-rotation binding post, comprise pressing plate (2), conducting block (3), conducting rod (4), insulating sleeve (5), insulating cell (6), dividing plate (8), check plate (9), and standard fasteners, the bottom of insulating sleeve (5) is installed in the flame proof hole on the dividing plate (8), the centre bore that conducting rod (4) passes insulating sleeve is connected with the conducting block (3) on insulating sleeve top, and the pressing plate (2) of two bolts and crimping cable lead is installed on the conducting block, is with insulating cell (6) and screws nut below dividing plate, insulating sleeve top is two sections four prisms cylinders that link into an integrated entity, and it is characterized in that:

Two sections quadrangular mutual dislocation 40-60 degree angles on a, insulating sleeve top, or when two sections quadrangulars did not misplace, the below of quadrangular was below pruned one jiao along certain angle, was equaled or be slightly larger than the thickness of check plate by the height of top rake;

B, check plate are one to be fixed on the strip steel plate on the dividing plate plate face, on one side its abut against on the cylinder of insulating sleeve quadrangular, or be pressed on the angle of being pruned under the insulating sleeve quadrangular below.