CN217215853U

CN217215853U - A fastener for power cable lays

Info

Publication number: CN217215853U
Application number: CN202220511360.8U
Authority: CN
Inventors: 张永搏; 封安辉; 周忠祖; 刘晔; 张润祖; 刘鹏飞
Original assignee: Institute of Modern Physics of CAS
Current assignee: Institute of Modern Physics of CAS
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-16
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a fastener for power cable lays, including one set at least trapping mechanism, trapping mechanism includes: the bottom end of the clamping plate is provided with a plurality of first wire pressing grooves at intervals; the two gaskets are respectively located at the bottoms of the two ends of the clamping plate, the depth of the first wire pressing groove is equal to the diameter of the largest cable in sum of the thickness of the gaskets, the top end of the first wire pressing groove is fixedly connected with the clamping plate, and the bottom of the first wire pressing groove is fixed on the bridge frame. The wire clamp for laying the power cables can lay the power cables at equal intervals in multiple layers, and the intervals can be reserved between the adjacent cables, so that air circulation and natural heat dissipation are facilitated, and the cables can work safely and reliably under the full-power condition.

Description

A fastener for power cable lays

Technical Field

The utility model belongs to power cable lays the field, especially relates to a fastener for power cable lays.

Background

Heavy ion accelerators have a large number of powerful electromagnets that require large cross-section power cables to deliver electrical energy, and therefore a large number of power cables are distributed along the entire beam line. In order to consider the beauty of an accelerator beam channel and the reasonable utilization of space, cables are usually tightly arranged in a metal tank box, the tightly arranged cables generate heat seriously, the cable heating can aggravate the aging of an insulating layer to influence the normal service life of the cables, and the most serious or local overheating can cause safety accidents such as fire disasters.

Therefore, how to solve the problem caused by the heat generated by a large amount of cable laying is an urgent problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a cable clamp for power cable laying, which can fix cables, and lay power cables in multiple layers at equal intervals, and leave a space between adjacent cables, so as to facilitate air circulation and natural heat dissipation, and ensure that the cables can work safely and reliably under full power; and secondly, the cable fixed by the cable clamp is neat and attractive in shape and convenient for later maintenance. The utility model discloses will have important using value in power cable laying engineering.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a cable clamp for the laying of electrical cables, comprising at least one set of clamping means, said clamping means comprising:

the bottom end of the clamping plate is provided with a plurality of first wire pressing grooves at intervals;

the two gaskets are respectively located at the bottoms of the two ends of the clamping plate, the depth of the first wire pressing groove is equal to the diameter of the largest cable in sum of the thickness of the gaskets, the top end of the first wire pressing groove is fixedly connected with the clamping plate, and the bottom of the first wire pressing groove is fixed on the bridge frame.

Further, the line pressing groove is an arc-shaped groove.

Furthermore, the wire pressing groove is a semicircular groove, and the thickness of the wire pressing groove and the thickness of the gasket are both equal to the radius of the maximum cable.

Further, still include at least one arc gasket, the arc gasket cover is established in the wire pressing groove, the external diameter of arc gasket with the diameter of wire pressing groove is the same, the bottom of arc gasket still is formed with second wire pressing groove, the radius of second wire pressing groove is less than the radius of first wire pressing groove.

Further, the arc gasket includes a plurality of, and is a plurality of the arc gasket overlaps respectively the difference in the first pressure line inslot.

Further, still include the bolt, the both ends of splint all are formed with first through-hole, two on the gasket with the corresponding position of first through-hole is formed with the second through-hole, the bolt passes in proper order first through-hole and second through-hole will splint and gasket fixed mounting be in on the crane span structure, the bolt adopts the nut to fix.

Furthermore, a plurality of line pressing grooves are arranged at equal intervals.

And furthermore, the cable clamp comprises a plurality of cable clamping mechanisms which are arranged in an up-and-down laminated manner, two ends of each cable clamping mechanism are fixedly arranged on the bridge through bolts, and the bolts sequentially penetrate through each layer of cable clamping plate and gasket of each cable clamping mechanism and then are fixedly connected with the bridge.

Further, the gasket is a square gasket.

Furthermore, the clamp plate and the gasket are both made of hard resin and bakelite plate materials.

The utility model discloses owing to take above technical scheme, it has following advantage:

1. through the mode that sets up the first wire pressing groove of a plurality of along the length direction interval of power clamping board to and cooperation multilayer lay and can realize that level and vertical direction all can equidistant fixed cable, neat pleasing to the eye.

2. The minimum 10mm net spacing is arranged between the adjacent fixed cables, the heat dissipation of the cables is good, and the electrical safety requirements are met.

3. The cable can be laid in multiple layers under the full-power working condition, the use amount of a bridge can be reduced, the specification of the cable is reduced, and energy is saved.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a front view of an embodiment of a clamp for power cabling;

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a schematic structural view of another embodiment of a clamp for power cabling;

the reference symbols in the drawings denote the following:

the cable clamp comprises a clamp plate 1, a gasket 2, a bolt 3, a nut 4, a first wire pressing groove 5, an arc gasket 6, a bridge 7, a cable 8 and a second wire pressing groove 9.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The embodiment of the utility model provides a fastener for power cable lays for fixed cable can lay power cable equidistant multilayer, can leave the net interval of 10mm at least between the adjacent cable, makes things convenient for the circulation of air nature heat dissipation, makes the cable work safely and reliably under the full power condition; and secondly, the cable fixed by the cable clamp is neat and attractive in shape and convenient for later maintenance. The utility model discloses will have important using value in power cable laying engineering.

As shown in fig. 1 to 2, the cable clamp for laying power cables comprises a set of cable clamping mechanism, wherein the cable clamping mechanism comprises a cable clamping plate 1 and two gaskets 2. The bottom of the wire clamping plate 1 is provided with a plurality of first wire pressing grooves 5 at equal intervals along the length direction. The length of the clamp plate 1 is reasonably designed according to the width of the bridge 7, and the width of the clamp plate 1 is not more than 50 mm. The first wire pressing groove 5 is a semicircular groove.

The gasket 2 is preferably a square gasket, the two gaskets 2 are respectively positioned at the bottoms of two ends of the clamp plate 1, and the radius of the first wire pressing groove 5 and the thickness of the gasket 1 are both equal to the radius of the maximum cable.

The top ends of the two gaskets 2 are fixedly connected with the clamping plate 1, and the bottom parts of the two gaskets are fixed on the bridge frame 7. Preferably, the both ends of splint 1 all are formed with first through-hole, two on the gasket 2 with the corresponding position of first through-hole is formed with the second through-hole, and bolt 3 passes in proper order first through-hole and second through-hole will splint 2 and gasket 2 fixed mounting be in on the crane span structure 7, bolt 3 adopts nut 4 to fix.

The clamping plate 1 and the gasket 2 are preferably made of hard resin and bakelite plate materials. The bolt 3 is preferably made of carbon steel or stainless steel.

When the cable clamp is used, power cables 8 are laid on the bridge 7 and are pressed by the first wire pressing grooves 5 of the clamp 1, wherein one cable corresponds to one first wire pressing groove 5. The diameter of each cable is 40mm, the radius of each first wire pressing groove 5 is 20mm, the distance between every two adjacent first wire pressing grooves 5 is 10mm, and a net distance of 10mm is reserved between every two adjacent cables, so that air circulation and natural heat dissipation are facilitated, and the cables can work safely and reliably under the full-power condition; and secondly, the cable fixed by the cable clamp is neat and attractive in shape and convenient for later maintenance. The utility model discloses will have important using value in power cable laying engineering.

In order to be applicable to not unidimensional power cable simultaneously, the wire clamping mechanism still further includes still including at least one

arc gasket

6, 6 covers of arc gasket are established in first wire pressing groove 5, the external diameter of arc gasket 6 with first wire pressing groove 5's diameter is the same, the bottom of arc gasket 6 still is formed with second wire pressing groove 9, the radius of second wire pressing groove 9 is less than the radius of first wire pressing groove 5.

Taking the case of laying power cables with diameters of 40mm and 30mm at the same time, the radius of the first wire pressing groove 5 is 40mm and is used for placing the cables with the diameters of 40mm, and the width of the clamp 1 is 30 mm. The radius of second wire pressing groove 9 is 15mm, will when using the 6 covers of arc gasket establish in first wire pressing groove 5, combine the quantity of the first wire pressing groove 5 of double-layered line board, lay the cable of same quantity, combine the crane span structure preformed hole to place arc gasket 6, place at last the double-layered line board 1 that is equipped with arc gasket 6 is fixed with the bolt.

As another embodiment, as shown in fig. 3, in order to satisfy the condition that the amount of the cables is large, the cable clamping mechanism may further include a plurality of cable clamping mechanisms, and the plurality of cable clamping mechanisms are installed in a stacked manner, so that the cables 8 may be laid in multiple layers. The two ends of the multiple wire clamping mechanisms are fixedly arranged on the bridge frame 7 through bolts 3 and nuts 4, and the bolts 3 sequentially penetrate through each layer of wire clamping plates 1 and gaskets 2 of the wire clamping mechanisms and then are fixedly connected with the bridge frame 7. One cable 8 can be placed in each first crimping slot 5 or second crimping slot 9, so that the number of placed cables can be increased.

It should be noted that the connection between the bracket 1, the pad 2 and the bridge 7 may be replaced by other fixed connection methods known in the art, such as welding connection.

The number of the arc gaskets 6 and the radius of the second line pressing groove 9 can be adjusted according to the size and the number of the actually laid cables.

The utility model provides a fastener for power cable lays can make all have minimum 10mm net spacing between the fixed cable is adjacent, and the cable heat dissipation is good, satisfies the electrical safety requirement. According to the thermal calculation result, the cable can be laid in multiple layers under the full-power working condition, the using amount of the bridge frame can be reduced, the specification of the cable is reduced, and energy is saved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A clamp for power cable laying, comprising at least one set of clamping means, said clamping means comprising:

2. The clamp for the laying of power cables according to claim 1, characterised in that said crimping slots are arcuate grooves.

3. The clamp for the laying of power cables according to claim 2, characterized in that said crimping grooves are semicircular grooves, the thickness of said crimping grooves and of the gaskets being equal to the radius of the maximum cable.

4. The cable clamp for power cable laying according to claim 2, further comprising at least one arc-shaped gasket, wherein the arc-shaped gasket is sleeved in the cable pressing groove, the outer diameter of the arc-shaped gasket is the same as the diameter of the cable pressing groove, a second cable pressing groove is further formed at the bottom of the arc-shaped gasket, and the radius of the second cable pressing groove is smaller than that of the first cable pressing groove.

5. The clamp for laying power cables as claimed in claim 4, wherein the number of the arc-shaped gaskets is plural, and the plural arc-shaped gaskets are respectively fitted in the different first wire pressing grooves.

6. The clamp for laying power cables as claimed in claim 1, further comprising a bolt, wherein first through holes are formed at both ends of the clamp, second through holes are formed at positions corresponding to the first through holes on the two gaskets, the bolt passes through the first through holes and the second through holes in sequence to fixedly mount the clamp and the gaskets on the bridge, and the bolt is fixed by a nut.

7. The clamp for the laying of power cables according to claim 1, characterised in that a plurality of said crimping slots are provided at equidistant intervals.

8. The cable clamp for laying a power cable according to any one of claims 1 to 7, wherein the cable clamp comprises a plurality of sets of the cable clamping mechanisms, the plurality of sets of the cable clamping mechanisms are arranged in an up-down laminated manner, two ends of each of the plurality of sets of the cable clamping mechanisms are fixedly mounted on a bridge frame through bolts, and the bolts sequentially penetrate through the cable clamping plates and the gaskets of each layer of the cable clamping mechanisms and then are fixedly connected with the bridge frame.

9. The clamp for the laying of power cables according to claim 8, characterised in that said spacer is a square spacer.

10. A cleat for power cabling according to claim 9, wherein the cleat or pad is made of a hard resin and bakelite board material.