CN216980179U - Distribution network cable with high tensile resistance - Google Patents

Distribution network cable with high tensile resistance Download PDF

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Publication number
CN216980179U
CN216980179U CN202220439143.2U CN202220439143U CN216980179U CN 216980179 U CN216980179 U CN 216980179U CN 202220439143 U CN202220439143 U CN 202220439143U CN 216980179 U CN216980179 U CN 216980179U
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China
Prior art keywords
distribution network
cable
network cable
groove
tensile resistance
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Inventor
蔡夫洋
袁志宏
许春敏
庄耿鉴
王绥富
陈春
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Hainan Power Grid Co ltd Tunchang Power Supply Bureau
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Hainan Power Grid Co ltd Tunchang Power Supply Bureau
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Abstract

The utility model belongs to the technical field of cables, and provides a distribution network cable with strong tensile resistance, which comprises a cable body, wherein the cable body is provided with fixing mechanisms in pairs, an elastic rope is connected between the two fixing mechanisms through a tension sensor, and the original length of the elastic rope is smaller than the length of the cable between the two fixing mechanisms. According to the utility model, the elastic rope can be stretched before the distribution network cable through the arrangement that the elastic rope is shorter than the cable, and the tension of the elastic rope can be monitored in real time by combining the arrangement of the tension sensor, so that the phenomenon that the distribution network cable is broken due to the fact that the tension is larger than the standard value of the distribution network cable is avoided, and the elastic rope can be used as a part of the distribution network cable on the other hand, so that the strength of the distribution network cable is increased.

Description

Distribution network cable with high tensile resistance
Technical Field
The utility model relates to the technical field of cables, in particular to a distribution network cable with strong tensile resistance.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under river-crossing seawater.
When the distribution network cable is assembled by power workers, the internal material is easy to change and break due to overextension, so that distribution network cable application accidents are caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides the distribution network cable with strong tensile resistance, and the distribution network cable can be better protected through the arranged elastic rope, so that the distribution network cable is prevented from being broken when the tensile force is too large.
The technical scheme includes that the cable comprises a cable body, wherein the cable body is provided with fixing mechanisms in pairs, an elastic rope is connected between the two fixing mechanisms through a tension sensor, and the original length of the elastic rope is smaller than the length of a cable between the two fixing mechanisms.
Furthermore, the elastic ropes comprise a plurality of elastic ropes which are evenly distributed along the circumferential direction of the outer surface of the cable.
Furthermore, fixing mechanism includes two mutual articulated semicircle poles, the one end that the pin joint was kept away from to semicircle pole is through pressing from both sides tight bolted connection, be provided with the bayonet socket that is used for fixed elastic cord on the outside that the cable was kept away from to semicircle pole.
Furthermore, a winding wheel is installed in the bayonet, and the elastic rope is connected with the winding wheel.
Furthermore, a groove is formed in the inner side, close to the cable, of the semicircular rod, an adjusting mechanism and a convex block are installed in the groove, and the convex block is folded in the groove or slides out of the groove under the action of the adjusting mechanism.
Further, adjustment mechanism includes compression spring and gag lever post, compression spring one end and recess bottom fixed connection, the other end and lug fixed connection, compression spring's flexible direction perpendicular to cable surface, be equipped with the mounting hole on the recess lateral wall, gag lever post slidable mounting is in the mounting hole, works as when gag lever post roll-off mounting hole contacts with the lug, the lug draws in the recess, otherwise the lug slides out the recess under compression spring's spring action.
Has the beneficial effects that:
1. in the utility model, the elastic rope can be stretched before the distribution network cable through the arrangement that the elastic rope and the elastic rope are smaller than the length of the cable, namely, the distribution network cable is in a bending state under the action of the elastic rope at the beginning, the tension of the elastic rope can be monitored in real time by combining the arrangement of the tension sensor, so that the phenomenon that the distribution network cable is broken due to the fact that the tension is larger than the standard value of the distribution network cable is avoided, and the early warning function is realized.
2. According to the utility model, the plurality of elastic ropes are uniformly distributed in the circumferential direction, so that the strength of the distribution network cable can be improved, and the elastic ropes can realize a better early warning effect when the distribution network cable is bent towards any direction.
3. According to the utility model, the fixing and the dismounting of the fixing mechanism can be conveniently and rapidly realized through the arrangement of the two semi-circular rods and the clamping bolt which are mutually hinged; the setting that combines bayonet socket and bayonet socket adduction rolling wheel can conveniently effectively be fixed the elasticity rope, can adjust the length of elasticity rope simultaneously, satisfies different demands.
4. According to the utility model, through the arrangement of the groove, the lug and the adjusting mechanism comprising the compression spring and the limiting rod, the friction force between the fixing mechanism and the distribution network cable can be increased through the lug when required, so that the fixing effect of the fixing mechanism is improved, specifically, the limiting rod is separated from the lug and positioned in the mounting hole through sliding the limiting rod, and the lug slides out of the groove under the elastic force action of the compression spring and is abutted against the outer surface of the distribution network cable.
Drawings
Fig. 1 is a schematic view of the overall installation structure of the present invention.
Fig. 2 is a schematic view of the mounting structure of the fixing mechanism of the present invention in one state.
Fig. 3 is a schematic view of the mounting structure of the fixing mechanism of the present invention in another state.
Fig. 4 is a detailed structural diagram of a point a in fig. 2.
Fig. 5 is a partial cross-sectional view of the securing mechanism of the present invention.
Fig. 6 is a detailed structural diagram at B in fig. 5.
Reference numerals: 1. a cable body; 2. a fixing mechanism; 21. a semi-circular rod; 22. clamping the bolt; 3. a tension sensor; 4. an elastic cord; 5. a groove; 6. an adjustment mechanism; 61. a compression spring; 62. a limiting rod; 7. and (4) a bump.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of the present invention.
The utility model provides a distribution network cable with strong tensile resistance, as shown in figures 1 and 2, the distribution network cable comprises a cable body 1, fixing mechanisms 2 are arranged on the cable body 1 in pairs, the fixing mechanisms 2 can be provided with a plurality of groups, particularly, the fixing mechanisms can be selected according to the length and the stress condition of the distribution network cable, when the distribution network cable is actually installed, the fixing mechanisms 2 are preferably arranged at two ends of a stress concentration point of the distribution network cable, so that the distribution network cable can be well protected and prevented from being broken, an elastic rope 4 is connected between the two fixing mechanisms 2 through a tension sensor 3, the tension sensor 3 can monitor the tension value of the elastic rope 4 in real time and display the tension value, when the tension value reaches a certain value, a prompt and early warning can be carried out through voice or light, the original length of the elastic rope 4 is smaller than the length of the cable between the two fixing mechanisms 2, so that the distribution network cable can be ensured to have certain bending at the beginning, make elasticity rope 4 can take place deformation earlier than the distribution network cable, preferred, the maximum tensile length of elasticity rope 4 equals the length of distribution network cable, when elasticity deformation of elasticity rope 4 reached maximum length promptly, the distribution network cable was still in the safe condition this moment to can further protect the distribution network cable not destroyed or fracture.
In this embodiment, through the setting that elasticity rope 4 and elasticity rope 4 are less than cable length, can make elasticity rope 4 stretched before the distribution network cable, when being initial promptly, the distribution network cable is the bending state under the effect of elasticity rope 4, combine force sensor 3's setting, can the tensile force size of real-time supervision elasticity rope 4, thereby avoid the pulling force to be greater than the standard value of distribution network cable and cause the cracked phenomenon of distribution network cable to produce, realize early warning function in advance, specifically because elasticity rope 4 length weak point is in the distribution network cable, when force sensor 3's pulling force value reaches the standard value of distribution network cable, the actual pulling force value of distribution network cable this moment is to be less than the standard value, on the other hand elasticity rope 4 can regard as a part of distribution network cable, thereby increase distribution network cable's intensity.
In this embodiment, preferably, as shown in fig. 1, the elastic cord 4 includes a plurality of elastic cords 4, and the plurality of elastic cords 4 are uniformly distributed along the circumferential direction of the outer surface of the cable.
In this embodiment, through many elasticity ropes 4 and circumference evenly distributed's setting, can improve distribution network cable's intensity, can ensure simultaneously that distribution network cable is when buckling towards arbitrary direction, and better early warning effect can be realized to elasticity rope 4 homoenergetic, no matter how buckling of distribution network cable promptly, exists elasticity rope 4 throughout and can be stretched before it.
In this embodiment, preferably, as shown in fig. 2 and fig. 3, the fixing mechanism 2 includes two semi-circular rods 21 hinged to each other, one ends of the semi-circular rods 21 away from the hinge point are connected by a clamping bolt 22, and bayonets for fixing the elastic cords 4 are disposed on the outer sides of the semi-circular rods 21 away from the cable.
In this embodiment, through the mutual articulated setting of two semicircle poles 21 and clamping bolt 22, can make things convenient for quick realization fixed establishment 2's fixing and dismantlement, through the setting of bayonet socket, can conveniently effectively fix elastic rope 4.
In this embodiment, preferably, as shown in fig. 1, a winding wheel is installed in the bayonet, and the elastic cord 4 is connected to the winding wheel.
In this embodiment, through the setting of rolling wheel, can adjust the length of elasticity rope 4, satisfy different demands, when the distance between two fixed establishment 2 of needs adjustment, can realize adjusting through rolling wheel pair elasticity rope 4 receive and release, time saving and labor saving, in addition under two fixed establishment 2 fixed premises of distance, receive and release through the rolling wheel, can adjust the pulling force size that distribution network cable received, when specifically increasing elasticity rope 4 length, the pulling force size that distribution network cable received can be wireless near elasticity rope 4 pulling force size, otherwise when reducing elasticity rope 4 length, the pulling force size that distribution network cable received can be wireless near zero, when elasticity rope 4 reaches maximum tensile length, distribution network cable has not taken place deformation or when just deforming, distribution network cable's pulling force size was zero this moment.
In this embodiment, preferably, as shown in fig. 2 to 6, the inner side of the semicircular rod 21 close to the cable is provided with a groove 5, an adjusting mechanism 6 and a convex block 7 are arranged in the groove 5, the convex block 7 is folded in the groove 5 or slides out of the groove 5 under the action of the adjusting mechanism 6, preferably, one end of the convex block 7 close to the distribution network cable is provided with a plurality of teeth, for improving the friction effect, the adjusting mechanism 6 comprises a compression spring 61 and a limiting rod 62, one end of the compression spring 61 is fixedly connected with the bottom of the groove 5, the other end is fixedly connected with the lug 7, the extension direction of the compression spring 61 is vertical to the outer surface of the cable, the side wall of the groove 5 is provided with a mounting hole, the limiting rod 62 is slidably mounted in the mounting hole, when the limiting rod 62 slides out of the mounting hole and contacts with the projection 7, the projection 7 is folded in the groove 5, otherwise, the projection 7 slides out of the groove 5 under the elastic force of the compression spring 61.
In this embodiment, through recess 5, lug 7 and the setting of adjustment mechanism 6 including compression spring 61 and gag lever post 62, can increase the frictional force size of fixed establishment 2 and distribution network cable through lug 7 when needs to improve the fixed effect of fixed establishment 2, specifically make gag lever post 62 break away from lug 7 through sliding gag lever post 62 and be located the mounting hole, lug 7 slides out recess 5 under compression spring 61's elasticity effect, with distribution network cable surface butt.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The distribution network cable with high tensile resistance comprises a cable body (1) and is characterized in that fixing mechanisms (2) are arranged on the cable body (1) in pairs, an elastic rope (4) is connected between the two fixing mechanisms (2) through a tension sensor (3), and the original length of the elastic rope (4) is smaller than the length of a cable between the two fixing mechanisms (2).
2. The distribution network cable with high tensile resistance according to claim 1, wherein the elastic ropes (4) comprise a plurality of elastic ropes, and the plurality of elastic ropes (4) are uniformly distributed along the circumference of the outer surface of the cable.
3. The distribution network cable with high tensile resistance according to claim 1 or 2, wherein the fixing mechanism (2) comprises two mutually hinged semicircular rods (21), one ends of the semicircular rods (21) far away from the hinged point are connected through clamping bolts (22), and bayonets for fixing the elastic ropes (4) are arranged on the outer sides of the semicircular rods (21) far away from the cable.
4. The distribution network cable with high tensile resistance according to claim 3, wherein a winding wheel is installed in the bayonet, and the elastic rope (4) is connected with the winding wheel.
5. The distribution network cable with high tensile resistance according to claim 3, wherein a groove (5) is formed on the inner side of the semicircular rod (21) close to the cable, an adjusting mechanism (6) and a convex block (7) are installed in the groove (5), and the convex block (7) is folded in the groove (5) or slides out of the groove (5) under the action of the adjusting mechanism (6).
6. The distribution network cable with high tensile resistance according to claim 5, wherein the adjusting mechanism (6) comprises a compression spring (61) and a limiting rod (62), one end of the compression spring (61) is fixedly connected with the bottom of the groove (5), the other end of the compression spring is fixedly connected with the bump (7), the expansion direction of the compression spring (61) is perpendicular to the outer surface of the cable, a mounting hole is formed in the side wall of the groove (5), the limiting rod (62) is slidably mounted in the mounting hole, when the limiting rod (62) slides out of the mounting hole and contacts with the bump (7), the bump (7) is folded in the groove (5), otherwise, the bump (7) slides out of the groove (5) under the elastic force of the compression spring (61).
CN202220439143.2U 2022-03-02 2022-03-02 Distribution network cable with high tensile resistance Active CN216980179U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220439143.2U CN216980179U (en) 2022-03-02 2022-03-02 Distribution network cable with high tensile resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220439143.2U CN216980179U (en) 2022-03-02 2022-03-02 Distribution network cable with high tensile resistance

Publications (1)

Publication Number Publication Date
CN216980179U true CN216980179U (en) 2022-07-15

Family

ID=82355493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220439143.2U Active CN216980179U (en) 2022-03-02 2022-03-02 Distribution network cable with high tensile resistance

Country Status (1)

Country Link
CN (1) CN216980179U (en)

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