CN204348941U - A kind of device clamp of distribution line - Google Patents

Abstract

The utility model discloses a kind of device clamp of distribution line, belong to electrical network field, the contact area solving device clamp and power line in prior art is little, and device clamp installs the technical problem of length consuming time, the device clamp that the utility model provides comprises connector, and the sidewall of connector one end is provided with connecting hole, the end face of the connector other end is provided with holding tank, connecting hole is connected with fixed screw, and fixed screw connects the equipment of distribution line, installs the power line of distribution wire in holding tank.The utility model is applied to the electrical connection of equipment and power line in electrical network.

Description

A kind of equipment clamp of distribution line

【Technical field】

The utility model relates to an equipment clamp for power distribution lines.

【Background technique】

In the construction of existing power distribution lines, copper-aluminum equipment clamps are used as transition connections for the connection between the equipment on the line and the power line. Copper-aluminum equipment clamps include a fixed platen and multiple movable platens set at intervals. The movable platen is connected to the fixed platen by screws, and the power cord is tightened between the fixed platen and the movable platen. However, there is a gap between adjacent movable platens, causing the power cord to The contact area with the equipment clamp is relatively small, and the electrical conductivity is poor; and it takes about 4 minutes for a skilled worker to install a equipment clamp. The quality is also not guaranteed, and poor installation may reduce the current carrying capacity of the line. In the case of heavy load, it will cause the temperature of the connection point of the power line to rise, and even burn the power line.

【Content of invention】

The technical problem solved by the utility model is to provide an equipment clamp for power distribution lines, which is easy to install and has excellent electrical conductivity.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

An equipment clamp for power distribution lines, comprising a connecting body, the side wall at one end of the connecting body is provided with a connecting hole, the end surface of the other end of the connecting body is provided with a receiving groove, and a fixing screw is connected to the connecting hole, The fixing screw is connected to the equipment of the distribution line, and the power line of the distribution line is installed in the accommodating groove.

Further, the equipment clamp of the distribution line also includes an inner sleeve and a compression screw, the inner sleeve is arranged in the receiving groove, the inner sleeve accommodates the power cord, and the inner circular surface of the inner sleeve is along the The inner sleeve is provided with a gap in the axial direction, the outer surface of the inner sleeve is provided with a groove, and the inner wall of the receiving groove is provided with an avoidance hole opposite to the groove, and the avoidance hole is threadedly connected with the pressure screw, so that The compression screw extends into the groove through the avoidance hole.

Further, the inner circular surface of the inner sleeve is provided with thread teeth.

Further, the side wall of the receiving groove is provided with a deformation groove, and the opposite surface of the receiving groove is provided with a threaded hole, and a locking screw is connected in the threaded hole, tightening the locking screw makes the deformation groove shrink, and the receiving groove shrinks. Compress the power cord.

Further, the side wall of the receiving groove is provided with an opening along the length direction of the connecting body, and the connecting body is provided with a first pressing plate and a second pressing plate on both sides of the opening, and the first pressing plate and the second pressing plate are connected by a connecting piece. Two pressure plates.

Further, the connecting piece includes a snap spring, a protrusion is provided on the surface of the first pressing plate opposite to the second pressing plate, and a through hole corresponding to the protrusion is provided on the second pressing plate, and the protrusion Connect the snap ring after passing through the through hole.

Further, the connecting piece includes a screw, the opposite surfaces of the first pressing plate and the second pressing plate are provided with mounting holes, and the screw is connected with a nut through the mounting holes.

Further, the connecting body includes a connecting plate and a sleeve, the connecting hole is provided on the surface of the connecting plate, the receiving groove is provided at one end of the sleeve, and the other end of the sleeve is connected to the connecting plate.

Further, a connecting hole is provided on the bottom surface of the receiving groove, and a boss is provided on the connecting plate, and the boss is screwed into the connecting hole.

The beneficial effects of the utility model:

The equipment wire clip of the utility model is easy to install, and the inner wall of the receiving groove wraps the power wire, and the covered contact area is large, which can reduce the contact resistance, and at the same time, the electrical conductivity is improved to the greatest extent, which solves the problem of the equipment wire clip contact in the prior art. Problems with uneven areas and small contact areas.

According to the field test, the average time-consuming of installing the equipment clamps of the utility model is shortened by 2.5 minutes compared with the average time-consuming of installing the equipment clamps of the prior art. One column equipment needs 12 copper-aluminum equipment clamps, which can save 30 minutes in total. time.

Moreover, the good electrical connection performance of the utility model can avoid deformation or looseness of the power cord in the clamp, and prevent the power cord from being burned out due to heat generated at the connection point.

These features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and accompanying drawings.

【Description of drawings】

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the top view of embodiment one;

Fig. 2 is the front view of embodiment one;

Fig. 3 is the structural representation of casing in embodiment one;

Fig. 4 is the schematic structural view of connecting plate in embodiment one;

Fig. 5 is the structural representation of embodiment two;

Fig. 6 is the structural representation of embodiment three;

Fig. 7 is the structural representation of embodiment four;

Fig. 8 is a schematic structural diagram of the fifth embodiment.

【Detailed ways】

The technical solutions of the embodiments of the present invention are explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model.

Embodiment one:

Referring to Fig. 1 and Fig. 2, a kind of equipment clamp of power distribution line shown includes a connecting body, the side wall of one end of the connecting body is provided with a connecting hole 21, and the end surface of the other end of the connecting body is provided with a receiving groove 11, and the connecting hole 21 is connected with fixing screws, and the fixing screws are connected to the equipment of the distribution line, and the power line of the distribution line is installed in the accommodating groove 11 . The connecting body can be compressed by the crimping pliers to shrink the receiving groove 11, and the inner wall of the receiving groove 11 is compressed and fixed to the internal power cord, so as to realize the conductive connection between the equipment and the power cord. The utility model is simple and convenient to install, and reduces errors in installation quality. The inner wall of the receiving groove 11 wraps the power line, which increases the contact area between the two, and the connection body is made of aluminum alloy, which greatly improves the conductivity while reducing the contact resistance. Therefore, the problem of uneven contact area and small contact area of the equipment wire clamp in the prior art is solved.

According to statistics, the average time-consuming installation of the utility model equipment clamps is about 2.5 minutes shorter than the average time-consuming installation of prior art equipment clamps. One column equipment needs to install 12 equipment clamps, which can save 30 minutes in total; And a good electrical connection can avoid deformation or looseness of the power cord in the clamp, which will cause the connection point to heat up and burn out the power cord.

The connection body includes a connection plate 2 and a sleeve 1 , a connection hole 21 is provided on the surface of the connection plate 2 , an accommodation groove 11 is provided at one end of the sleeve 1 , and the other end of the sleeve 1 is connected to the connection plate 2 . Preferably, the bottom surface of the receiving groove 11 is provided with a connecting hole 12, the connecting plate 2 is provided with a boss 22, the outer circular surface of the boss 22 is provided with an external thread, the inner wall of the connecting hole 12 is provided with an internal thread, and the boss 22 is connected to The connecting hole 12 is easy to disassemble, and the boss 22 can move along the axial direction of the connecting hole 12, and the length of the connecting body can be changed to adapt to power cords of different lengths.

Embodiment two:

Referring to FIG. 5 and FIG. 1 in Embodiment 1, a device clamp for a power distribution line shown includes a connecting body, the connecting body includes a connecting plate 2 and a sleeve 1, and a connecting hole 21 is provided on the surface of the connecting plate 2. One end of the casing 1 is provided with a receiving groove 11, the other end of the casing 1 is connected to the connecting plate 2, and a fixing screw is connected to the connecting hole 21, and the fixing screw is connected to the equipment of the power distribution line, and the equipment clamp of the power distribution line also includes an inner Sleeve 3 and compression screw 41, the inner sleeve 3 is set in the accommodation groove 11 of the sleeve 1, the inner sleeve 3 is arranged along the axial direction of the sleeve 1, the power line of the power distribution line is installed in the inner sleeve 3, and the inner sleeve 3 The circular surface is provided with a gap 31 along the axial direction of the inner sleeve 3, the outer circular surface of the inner sleeve 3 is provided with a groove 32, and the inner wall of the receiving groove 11 is provided with an avoidance hole 111 compared with the groove 32, and the escape hole 111 is in contact with the pressure. Moving screw 41 is threadedly connected, and pressure moving screw 41 stretches in the groove 32 after passing through avoidance hole 111. The inner circular surface of the inner sleeve 3 is provided with a gap 31, so the inner sleeve 3 is easily deformed by being squeezed. When the compression screw 41 is tightened, the bottom of the compression screw 41 faces the bottom surface of the receiving groove 11, and the inner sleeve 3 is pressed against the pressure. Between the moving screw 41 and the side wall of the receiving groove 11, the pressing screw 41 is continuously screwed in to make the inner sleeve 3 shrink, and the inner circular surface of the inner sleeve 3 compresses the power cord in the inner sleeve 3. This embodiment is simple to operate and can Repeated use, the degree of deformation of the inner sleeve 3 is large, and can adapt to power cords of different diameters.

And the inner circular surface of the inner sleeve 3 is provided with thread teeth. The thread teeth are firmly inlaid with the power cord to ensure reliable connection and excellent electrical conductivity.

Embodiment three:

Referring to FIG. 6 and FIG. 1 of Embodiment 1, there is shown a kind of equipment clamp for power distribution lines. The connecting body includes a connecting plate 2 and a sleeve 1. The surface of the connecting plate 2 is provided with a connecting hole 21. One end of the sleeve 1 is An accommodation groove 11 is provided, the other end of the casing 1 is connected to the connection plate 2, a fixing screw is connected to the connection hole 21, a power cord is installed in the accommodation groove 11, and the side wall of the accommodation groove 11 is provided with a deformation groove 13, and the accommodation groove 11 The opposite surface is provided with a threaded hole 131, and the threaded hole 131 is connected with a locking screw 42, tightening the locking screw 42 makes the opposite surface of the deformation groove 13 close, the deformation groove 13 shrinks, the aperture of the accommodation groove 11 decreases, and the accommodation groove 11 Press the power cord, loosen the locking screw 42, the deformation groove 13 expands, the aperture of the accommodation groove 11 increases to loosen the power cord, easy to install, and the contact area between the interior of the accommodation groove 11 and the power cord is large.

Embodiment four:

Referring to FIG. 7 and FIG. 1 of Embodiment 1, a device clamp for a distribution line shown includes a connecting body, the connecting body includes a connecting plate 2 and a sleeve 1, and the surface of the connecting plate 2 is provided with a connecting hole 21, and the sleeve One end of the tube 1 is provided with a receiving groove 11, the other end of the sleeve 1 is connected to the connecting plate 2, and a fixing screw is connected to the connecting hole 21. The side wall of the receiving groove 11 is provided with an opening 14 along the length direction of the connecting body, and the connecting body is close to Both sides of the opening 14 are provided with a first pressing plate 15 and a second pressing plate 17. After the opening 14 is set on the casing 1, it is easy to deform. The aperture of the receiving groove 11 is smaller than the diameter of the power cord. The connecting piece connects the first pressing plate 15 and the second pressing plate 17, and the inner wall of the receiving groove 11 tightly compresses the power cord.

The connector in this embodiment includes a snap spring 52, a protrusion 51 is provided on the opposite surface of the first pressing plate 15 and the second pressing plate 17, and a through hole 17 corresponding to the protrusion 51 is provided on the second pressing plate 17, and the protrusion 51 An annular groove is provided at the end of the upper end, and the protrusion 51 passes through the through hole 17 and connects with the clip spring 52, so that the opposite surfaces of the first pressing plate 15 and the second pressing plate 17 are closely attached.

Embodiment five:

Referring to FIG. 8 and FIG. 1 of Embodiment 1, a device clamp for a distribution line shown includes a connecting body, the connecting body includes a connecting plate 2 and a sleeve 1, and the surface of the connecting plate 2 is provided with a connecting hole 21, and the sleeve One end of the tube 1 is provided with a receiving groove 11, the other end of the sleeve 1 is connected to the connecting plate 2, and a fixing screw is connected to the connecting hole 21. The side wall of the receiving groove 11 is provided with an opening 14 along the length direction of the connecting body, and the connecting body is close to Both sides of the opening 14 are provided with a first pressing plate 15 and a second pressing plate 17. The opening 14 makes the deformation of the sleeve 1 easy. The aperture of the receiving groove 11 is smaller than the diameter of the power cord. After installing the power cord in the receiving groove 11, it is connected by a connector The first pressing plate 15, the second pressing plate 17, and the inner wall of the receiving groove 11 tightly press the power cord.

The connecting piece in this embodiment includes a screw rod 61 , an installation hole 18 is formed on the opposite surface of the first pressing plate 15 and the second pressing plate 17 , and a nut 62 is connected to the screw rod 61 through the installation hole 18 .

Through the above embodiments, the purpose of the utility model has been fully and effectively achieved. Those familiar with this technology should understand that the utility model includes but is not limited to the contents described in the accompanying drawings and the above specific embodiments. Any modifications that do not deviate from the functional and structural principles of the present utility model shall be included in the scope of the claims.

Claims (9)

1. An equipment clamp for power distribution lines, characterized in that: it comprises a connecting body, the side wall at one end of the connecting body is provided with a connecting hole, and the end face at the other end of the connecting body is provided with a receiving groove, and the connecting hole A fixing screw is connected to the top, and the fixing screw is connected to the equipment of the distribution line, and the power line of the distribution line is installed in the accommodating groove. 2. An equipment clamp for power distribution lines according to claim 1, characterized in that: the equipment clamp for power distribution lines also includes an inner sleeve and a compression screw, and the inner sleeve is set in the receiving groove. The inner sleeve accommodates the power cord, the inner circular surface of the inner sleeve is provided with a gap along the axial direction of the inner sleeve, the outer circular surface of the inner sleeve is provided with a groove, and the inner wall of the accommodating groove is provided with An avoidance hole opposite to the groove, the avoidance hole is threadedly connected with a pressure screw, and the pressure screw passes through the avoidance hole and extends into the groove. 3. The equipment clamp for power distribution lines according to claim 2, characterized in that: the inner circular surface of the inner sleeve is provided with threaded teeth. 4. An equipment clamp for power distribution lines according to claim 1, characterized in that: the side wall of the receiving groove is provided with a deformation groove, and the opposite surface of the receiving groove is provided with a threaded hole, and the threaded hole A locking screw is connected in the hole, and the locking screw is tightened to shrink the deformation groove, and the accommodation groove shrinks and compresses the power cord. 5. An equipment clamp for power distribution lines according to claim 1, characterized in that: the side wall of the accommodating groove is provided with an opening along the length direction of the connecting body, and the two sides of the connecting body close to the opening are provided with There are a first pressing plate and a second pressing plate, and the first pressing plate and the second pressing plate are connected by connecting pieces. 6. An equipment clamp for power distribution lines according to claim 5, characterized in that: the connecting piece includes a retaining spring, and the surface of the first pressing plate opposite to the second pressing plate is provided with a protrusion, so that The second pressing plate is provided with a through hole corresponding to the protrusion, and the protrusion passes through the through hole and connects with the retaining spring. 7. An equipment clamp for power distribution lines according to claim 5, characterized in that: the connecting piece comprises a screw, the opposite surfaces of the first pressing plate and the second pressing plate are provided with mounting holes, and the screw A nut is connected through the mounting hole. 8. An equipment clamp for power distribution lines according to any one of claims 1 to 7, characterized in that: the connecting body includes a connecting plate and a sleeve, and the surface of the connecting plate is provided with the connection hole, one end of the sleeve is provided with the receiving groove, and the other end of the sleeve is connected to the connecting plate. 9. An equipment clamp for power distribution lines according to claim 8, characterized in that: the bottom surface of the receiving groove is provided with a connecting hole, and the connecting plate is provided with a boss, and the boss is connected to the connecting plate. Hole thread fit.