CN-224233333-U - Mechanical force monitoring device for tubular cable construction

CN224233333UCN 224233333 UCN224233333 UCN 224233333UCN-224233333-U

Abstract

The utility model relates to a mechanical force monitoring device for a tubular cable construction, and belongs to the technical field of electric power. The device comprises a tension data acquisition module, a lateral pressure data acquisition module, a mechanical force data centralized receiving module and a traction equipment emergency stop module, wherein the tension data acquisition module is connected in series between a traction steel wire rope of a cable and a cable terminal net sleeve, the lateral pressure data acquisition module is arranged at a steering node of a cable laying path, the input end of the mechanical force data centralized receiving module is respectively connected with the output ends of the tension data acquisition module and the lateral pressure data acquisition module, the output end of the mechanical force data centralized receiving module is connected with the input end of the traction equipment emergency stop module, and the output end of the traction equipment emergency stop module is connected with a power supply port of traction equipment of the cable. The utility model adopts the tension sensor and the shaft pin type side pressure sensor to cooperatively monitor the tension and the side pressure generated by the cable construction, and when the cable construction mechanical force is monitored to exceed the threshold value, the working power supply of the cable traction equipment is cut off in time through the protection circuit, so that the cable is prevented from being damaged.

Inventors

ZHANG JINBO
WANG GUANTONG
ZHANG QIANG
HE JINYU
HU ZUPING
Tang Xinlan
WANG ZHAOKUN

Assignees

河海大学

Dates

Publication Date: 20260512
Application Date: 20250407

Claims (10)

1. The mechanical force monitoring device for the tube penetrating type cable construction is characterized by comprising a tension data acquisition module, a lateral pressure data acquisition module, a mechanical force data centralized receiving module and a traction equipment scram module; The tension data acquisition module is connected in series between a traction steel wire rope of the cable and a cable terminal net sleeve; The lateral pressure data acquisition module is arranged at a steering node of the cable laying path and used for guiding a cable steering pulley and acquiring lateral pressure of cable construction; The input end of the mechanical force data centralized receiving module is respectively connected with the output end of the tension data acquisition module and the output end of the lateral pressure data acquisition module; The output end of the mechanical force data centralized receiving module is connected with the input end of the traction equipment scram module; And the output end of the traction equipment scram module is connected with a traction equipment power supply port of the cable.
2. The device for monitoring mechanical force of penetrating pipe type cable construction according to claim 1, wherein the tensile force data acquisition module comprises a tensile force sensor, a first analog-to-digital conversion unit, a first microprocessor, a first RS485 unit and a first power carrier unit; the output end of the tension sensor is connected with the voltage input end of the first analog-to-digital conversion unit; The output end of the first analog-to-digital conversion unit is connected with the input end of the first microprocessor; The first power carrier unit is in communication connection with a first microprocessor through the first RS485 unit; The side pressure data acquisition module comprises a side pressure sensor, a second analog-to-digital conversion unit, a second microprocessor, a second RS485 unit and a second power carrier unit; the output end of the side pressure sensor is connected with the voltage input end of the second analog-to-digital conversion unit; The output end of the second analog-to-digital conversion unit is connected with the input end of the second microprocessor; And the second power carrier unit is in communication connection with a second microprocessor through the second RS485 unit.
3. The through-pipe cable construction mechanical force monitoring device according to claim 2, wherein the tension sensor is an S-type tension sensor with a measuring range of 0 ton to 10 tons; The side pressure sensor adopts a shaft pin type side pressure sensor.
4. The device for monitoring mechanical force of tubular cable construction according to claim 2, wherein the mechanical force data centralized receiving module comprises a third microprocessor, a third RS485 unit and a third power carrier unit; The input end of the traction equipment scram module is connected with the output end of the third microprocessor; the third power carrier unit is in communication connection with a third microprocessor through the third RS485 unit; The third power carrier unit is connected with the first power carrier unit and the second power carrier unit through carrier circuits.
5. The apparatus of claim 4, wherein the first microprocessor, the second microprocessor, and the third microprocessor each employ STM32 microprocessor chips.
6. The through-tube cable construction mechanical force monitoring device of claim 4, wherein the first RS485 unit, the second RS485 unit, and the third RS485 unit each comprise RSM3485PHT chips.
7. The through-tube cable construction mechanical force monitoring device of claim 4, wherein the first, second, and third power carrier units each comprise a PD1380 broadband power carrier.
8. The pipe penetrating type cable construction mechanical force monitoring device according to claim 1, wherein the traction equipment emergency stop module comprises a bidirectional thyristor optocoupler driver and a bidirectional thyristor connected with an output end of the bidirectional thyristor optocoupler driver; The model of the bidirectional thyristor optocoupler driver is MOC3061, and the model of the bidirectional thyristor is BTA100-1600.
9. The device for monitoring mechanical force of the tubular cable construction according to claim 1, further comprising a power module connected with the tension data acquisition module, the lateral pressure data acquisition module, the mechanical force data centralized receiving module and the traction equipment scram module; the power module includes a 24VDC to 12VDC unit, a 12VDC to 5VDC unit, and a 5VDC to 3VDC unit in series.
10. The through-tube cable construction machine force monitoring device of claim 9, wherein the 24VDC to 12VDC unit comprises an XRE12/24S12W isolated power converter, the 12VDC to 5VDC unit comprises an XL1509 power converter, and the 5VDC to 3VDC unit comprises an AMS-1117 power converter.

Description

Mechanical force monitoring device for tubular cable construction Technical Field The utility model belongs to the technical field of electric power, and relates to a mechanical force monitoring device for a tubular cable construction. Background In power engineering, cable penetrating pipe laying is a common construction mode and is widely applied to the scenes of urban power grid construction, power distribution systems in industrial factories, power supply of large buildings and the like. With the acceleration of the urban process and the increasing demand for electricity, the scale and complexity of cable-through construction is also increasing. At present, domestic power companies generally adopt a manual traction or winch traction mode in the tube-penetrating cable laying process, and the monitoring means of mechanical force are relatively deficient. The traction force and lateral pressure of the cable in construction are difficult to acquire in real time, and the estimation and judgment are mainly carried out by relying on experience of constructors. The method is poor in accuracy, deviation is easy to cause due to human factors, and cable damage caused by overlarge mechanical force cannot be effectively prevented. When the mechanical force applied to the cable exceeds the bearing limit, the cable sheath is possibly broken, the conductor is possibly deformed and the like, the performance and the service life of the cable are seriously affected, and even safety accidents can be possibly caused. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides a pipe penetrating type cable construction mechanical force monitoring device which can realize real-time monitoring and active protection of mechanical force in the whole process of cable laying. In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: The utility model provides a mechanical force monitoring device for a tubular cable construction, which comprises a tension data acquisition module, a lateral pressure data acquisition module, a mechanical force data centralized receiving module and a traction equipment scram module; The tension data acquisition module is connected in series between a traction steel wire rope of the cable and a cable terminal net sleeve; The lateral pressure data acquisition module is arranged at a steering node of the cable laying path and used for guiding a cable steering pulley and acquiring lateral pressure of cable construction; The input end of the mechanical force data centralized receiving module is respectively connected with the output end of the tension data acquisition module and the output end of the lateral pressure data acquisition module; The output end of the mechanical force data centralized receiving module is connected with the input end of the traction equipment scram module; And the output end of the traction equipment scram module is connected with a traction equipment power supply port of the cable. Further, the tension data acquisition module comprises a tension sensor, a first analog-to-digital conversion unit, a first microprocessor, a first RS485 unit and a first power carrier unit; the output end of the tension sensor is connected with the voltage input end of the first analog-to-digital conversion unit; The output end of the first analog-to-digital conversion unit is connected with the input end of the first microprocessor; The first power carrier unit is in communication connection with a first microprocessor through the first RS485 unit; The side pressure data acquisition module comprises a side pressure sensor, a second analog-to-digital conversion unit, a second microprocessor, a second RS485 unit and a second power carrier unit; the output end of the side pressure sensor is connected with the voltage input end of the second analog-to-digital conversion unit; The output end of the second analog-to-digital conversion unit is connected with the input end of the second microprocessor; And the second power carrier unit is in communication connection with a second microprocessor through the second RS485 unit. Further, the tension sensor adopts an S-shaped tension sensor with the measuring range of 0 ton to 10 tons; The side pressure sensor adopts a shaft pin type side pressure sensor. Further, the mechanical force data centralized receiving module comprises a third microprocessor, a third RS485 unit and a third power carrier unit; The input end of the traction equipment scram module is connected with the output end of the third microprocessor; the third power carrier unit is in communication connection with a third microprocessor through the third RS485 unit; The third power carrier unit is connected with the first power carrier unit and the second power carrier unit through carrier circuits. Further, the first microprocessor, the second microprocessor and the third microprocessor all adopt