CN116771191A - Cable worker well protector - Google Patents

Abstract

The application discloses a cable working well protection device, and aims to solve the defect that the cable working well protection device is poor in protection effect under the unattended condition. The application comprises a fence body arranged around a cable work well, wherein a posture sensor, a monitor and a controller are arranged on the fence body; the attitude sensor is used for detecting displacement, vibration and inclination states of the fence body and transmitting data to the controller; and the monitor is used for capturing the field pictures around the cable work well and transmitting the field pictures to the controller. The cable work well protection device can protect the cable work well in real time, and prevent potential safety hazards caused by falling of personnel and foreign objects into the work well.

Description

A kind of cable well protection device

Technical field

The present invention relates to an electric power construction technology, and more specifically, to a cable well protection device.

Background technique

In order to ensure the safety during the cable construction process and achieve effective protection of the cable working well, especially the protection of the working well when the cable construction site is unattended at night, it is necessary to add a fence around the cable working well to prevent It can protect the cable working shaft and the internal environment of the working shaft, and prevent pedestrians and foreign objects from falling into the working shaft.

At present, during the cable construction process, the cable working shaft is often opened, and fences are arranged around it for safety protection to prevent pedestrians from falling. However, when there is no one working on the site temporarily, especially at night, due to the lack of on-site personnel's care, when encountering external forces, such as windy weather and human movement, the work well fence often shifts, and then loses its protective function. For pedestrians passing by, there are major safety risks such as falling into the well.

Contents of the invention

In order to overcome the above shortcomings, the present invention provides a cable working well protection device, which can protect the cable working well in real time and prevent people and foreign objects from falling into the working well and causing safety hazards.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a cable working well protection device, including a fence body arranged around the cable working well, and an attitude sensor, a monitor, and a controller are installed on the fence body;

Attitude sensor, used to detect the displacement, vibration, and tilt state of the fence body, and transmit the data to the controller;

The monitor captures the live footage around the cableman shaft and transmits it to the controller.

The fence body is set around the cable working shaft to serve as a warning and protection to prevent pedestrians and foreign objects from falling into the cable working shaft. Especially when the site is unattended, the monitor monitors the current situation, captures the scene footage around the cableman's shaft and transmits it to the controller. The attitude sensor detects the displacement, vibration, and tilt state of the fence body and transmits the data to the controller. The controller transmits information to the manager's computer or mobile phone through wired or wireless methods. Once there is an abnormality at the cable well site, it can be detected in time for timely disposal. The cable working well protection device of the present invention can protect the cable working well in real time and prevent people and foreign objects from falling into the working well and causing potential safety hazards.

Preferably, several infrared sensors are arranged at intervals on the upper end of the fence body, and the infrared sensors are electrically connected to the controller.

When someone breaks into the fence body, it can be detected by the infrared sensor, making it easy for management personnel to deal with it in time.

Preferably, a sound and light alarm is installed on the fence body, and the sound and light alarm is electrically connected to the controller.

When there is an abnormality at the cable well site, the sound and light alarm will sound and light alarm.

Preferably, a battery that supplies power to the controller is installed on the fence body.

Powered by batteries, flexible and convenient.

Preferably, solar photovoltaic panels are installed on the fence body, and the solar photovoltaic panels generate electricity to charge the battery.

Solar photovoltaic panels are used for charging, which can be charged in real time during the day. No additional power source is needed to charge the battery, which is more convenient.

Preferably, support poles are installed on the fence body, batteries and monitors are installed on the support poles, and solar photovoltaic panels are installed on the upper ends of the support poles.

The setting of the support pole facilitates the installation of batteries, monitors, and solar photovoltaic panels.

Preferably, the fence body is composed of four fence frames connected end to end to form a frame structure.

The fence body of the frame structure is more stable.

Preferably, the fence frame includes an upper cross bar, a lower cross bar, and several upright columns. The upright columns are connected between the upper cross bar and the lower cross bar. The lower end of the upright column is provided with a support base. Spaced support rods.

The fence frame has a simple structure, good strength, and stable and reliable support.

As a preferred option, vertically arranged connecting columns are installed at both ends of the fence frame, and the connecting columns are hinged to vertical casings; a movable slider is installed on the connecting column, and a preload spring is installed between the slider and the connecting column. There is a push rod hinged between the tube and the slider; a piston is installed in the casing, a piston rod is connected to the piston, an ejection head is installed on the upper end of the piston rod, a gas storage chamber is installed under the piston in the casing, a high-pressure gas storage tank is installed on the casing, and the high-pressure gas storage A solenoid valve is installed between the tank and the gas storage chamber, and the solenoid valve is electrically connected to the controller; a positioning pin is installed on the casing, a return spring is installed between the positioning pin and the casing, a positioning groove is provided on the slider, and a positioning groove is provided on the piston rod. The bump, one end of the positioning pin is in contact with the bump, and the other end of the positioning pin is inserted into the positioning groove to position the slider; a protective net bag is connected between the two sleeves at both ends of the fence frame, and the lower edges of the protective net bag are connected at both ends They are respectively connected to the lower ends of the two casings, and both ends of the upper edge of the protective net bag are respectively connected to the two ejection heads.

When the scene is unattended, someone breaks in and is detected by the attitude sensor, monitor, and infrared sensor. At this time, the controller controls the solenoid valve to open, and the high-pressure airflow in the high-pressure gas storage tank is transported to the gas storage cavity. Push the piston upward, and the bump will be separated from the positioning pin. The slider will slide downward under the action of the preload spring, causing the push rod to push the sleeve downward to a horizontal position. The piston will continue to move upward to eject the ejection head outwards. The protective net bag is unfolded and laid above the cable working well, which can prevent intruders from falling into the cable working well. For some malicious thieves, it can prevent them from entering the cable working well, delaying the time of success, and thus leaving room for management personnel to reach On-site disposal time.

Preferably, the piston rod is provided with an axially arranged vent hole, the upper end of the piston rod is provided with a mounting groove, the ejection head is installed in the installation groove, the ejection head is connected to an extension rod, the extension rod is inserted into the ventilation hole, and the extension rod is Extends downward to the piston position. The piston is provided with an air inlet. The air inlet is connected between the breather hole and the air storage chamber. The piston is connected to a movable sealing baffle and a push rod. The sealing baffle is used to open and close the breather hole. , the ejector rod is equipped with an inclined pushing surface, the pushing surface is close to the edge of the sealing baffle, the upper end of the ejector rod extends out of the upper end of the piston; a positioning frame for limiting the piston is installed near the upper end of the casing, and the lower end of the extension rod is installed and positioned The upper end of the vent hole is equipped with a limit bracket with a limit positioning head.

After the piston moves upward to the position of the positioning frame, the ejector rod is pushed downward by the positioning frame. The pushing surface on the ejector rod pushes the sealing baffle to move to open the air inlet. The air flow is transported from the air inlet hole and the ventilation hole to the installation groove. Eject the ejection head outward until the positioning head at the lower end of the extension rod reaches the limiter. After the second ejection, the extension rod, piston rod, and sleeve are assembled together in sequence. The overall length is longer and can cover the cable. The entire side length of the work shaft improves the stability of the support for the protective net bag, thereby improving the protective effect.

Compared with the existing technology, the beneficial effects of the present invention are: (1) The cable well protection device can protect the cable well in real time and prevent people and foreign objects from falling into the well and causing safety hazards; (2) When there are people After breaking into the fence itself, the protective net bag can provide further protection and prevent people from falling into the cable pit.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic diagram of Embodiment 2 of the present invention;

Figure 3 is a schematic diagram of the casing connection structure of Embodiment 2 of the present invention;

In the picture: 1. Attitude sensor, 2. Monitor, 3. Fastening frame, 4. Mounting head, 5. Fence frame, 6. Upper crossbar, 7. Lower crossbar, 8. Upright column, 9. Support base , 10. Support rod, 11. Infrared sensor, 12. Battery, 13. Solar photovoltaic panel, 14. Support rod, 15. Insert hole, 16. Locking screw, 17. Connecting column, 18. Casing, 19 , slider, 20. preload spring, 21. push rod, 22. piston, 23. piston rod, 24. ejection head, 25. gas storage chamber, 26. high-pressure gas storage tank, 27. solenoid valve, 28. positioning Pin, 29. Return spring, 30. Positioning groove, 31. Bump, 32. Protective net bag, 33. Ventilation hole, 34. Installation slot, 35. Extension rod, 36. Air inlet hole, 37. Sealing baffle, 38 , Push rod, 39. Positioning frame, 40. Positioning head, 41. Limiting frame, 42. Cable shaft.

Detailed ways

The technical solution of the present invention will be further described in detail below through specific examples and in conjunction with the accompanying drawings:

Embodiment 1: A cable working well protection device (see Figure 1), including a fence body arranged around the cable working well, with an attitude sensor 1, a monitor 2, and a controller installed on the fence body;

An attitude sensor is used to detect the displacement, vibration, and tilt state of the fence body, and transmit the data to the controller; a fastening frame 3 is installed on the fence body, and the attitude sensor is fastened on the fastening frame, and there is a fastening frame on the fastening frame. Mounting head 4, the mounting head is mounted on the upper end of the fence body and is fastened to the fence body through screws;

The monitor captures the live footage around the cableman shaft and transmits it to the controller. The monitor can rotate to achieve 360-degree all-round monitoring. The monitor is an existing technology, and its specific structure is not discussed in this application.

The fence body is composed of four fence frames 5 connected end to end to form a frame structure. The fence frame includes an upper crossbar 6, a lower crossbar 7, and several upright posts 8. The upright posts are connected between the upper crossbar and the lower crossbar. In this embodiment There are three upright columns, and a support base 9 is provided at the lower end of the upright column. Several support rods 10 arranged at intervals are connected between the upper crossbar and the lower crossbar. The support base is lower than the lower rail.

A number of infrared sensors 11 are arranged at intervals on the upper end of the fence body. The infrared sensors are electrically connected to the controller. An infrared sensor is installed on the upper end of each column. A sound and light alarm is installed on the fence body, and the sound and light alarm is electrically connected to the controller. The battery 12 that supplies power to the controller is installed on the fence body. A solar photovoltaic panel 13 is installed on the fence body, and the solar photovoltaic panel generates electricity to charge the battery. A solar power controller is connected between the solar photovoltaic panel and the battery. The support pole 14 is installed on the fence body, and the support pole is installed at one end of the fence frame. The upright column corresponding to the support pole on the fence frame is provided with an insertion hole 15. The insertion hole is set axially, and the lower part of the support pole is inserted into the insertion hole. A locking screw 16 is connected to the upright column, and the end of the locking screw is in contact with the support rod. The battery and monitor are installed on the support pole, and the solar photovoltaic panel is installed on the upper end of the support pole.

The fence body is set around the cable working shaft to serve as a warning and protection to prevent pedestrians and foreign objects from falling into the cable working shaft. Especially when the site is unattended, the monitor monitors the current situation, captures the scene footage around the cableman's shaft and transmits it to the controller. The attitude sensor detects the displacement, vibration, and tilt state of the fence body and transmits the data to the controller. When someone breaks into the fence, the infrared sensor can detect it and transmit the data to the controller. The controller transmits information to the manager's computer or mobile phone through wired or wireless methods. Once there is an abnormality at the cable well site, it can be detected in time for timely disposal.

Embodiment 2: A cable working well protection device (see Figures 2 and 3). Its structure is similar to that of Embodiment 1. The main difference is that in this embodiment, vertically arranged fences are installed at both ends of the fence frame. The connecting column 17 is hinged to the vertical casing 18. The connecting column is provided with a hinge seat near the lower end, and the lower end of the casing is hinged on the hinge seat; a movable slider 19 is installed on the connecting column, and the connecting column is provided with a hinge seat. The slider is installed in the slider, and a preload spring 20 is installed between the slider and the connecting column. A push rod 21 is hinged between the casing and the slider; a piston 22 is installed in the casing, and a piston rod 23 is connected to the piston. An ejection head 24 is installed on the upper end of the piston rod. The ejection head is set at the upper end of the casing. The piston is set close to the lower end of the casing. A gas storage chamber 25 is set below the piston in the casing. A high-pressure gas storage tank 26 is installed on the casing. The high-pressure gas storage tank and the gas storage tank are installed on the casing. A solenoid valve 27 is installed between the air chambers, and the solenoid valve is electrically connected to the controller; a positioning pin 28 is installed on the casing, a return spring 29 is installed between the positioning pin and the casing, a positioning groove 30 is provided on the slider, and a positioning groove 30 is provided on the piston rod. There is a bump 31, one end of the positioning pin is in contact with the bump, and the other end of the positioning pin is inserted into the positioning groove to position the slider; a protective net bag 32 is connected between the two sleeves at both ends of the fence frame, and the lower part of the protective net bag is The two ends of the edge are respectively connected to the lower ends of the two sleeves, and the two ends of the upper edge of the protective net bag are respectively connected to the two ejection heads.

The piston rod is provided with an axially arranged ventilation hole 33, and the upper end of the piston rod is provided with a mounting slot 34. The ejection head is installed in the mounting slot, and the ejection head is connected to an extension rod 35. The extension rod is inserted in the ventilation hole, and the extension rod is installed in the ventilation hole. Extends downward to the piston position. The piston is provided with an air inlet hole 36. The air inlet hole is connected between the ventilation hole and the air storage chamber. The piston is connected to a movable sealing baffle 37 and a push rod 38. The sealing baffle is used for opening. To close the ventilation hole, the ejector rod is provided with an inclined pushing surface, which is close to the edge of the sealing baffle. The upper end of the ejector rod extends out of the upper end of the piston. A positioning spring is installed between the sealing baffle and the piston; it is installed near the upper end of the casing. A positioning frame 39 is used to limit the piston, a positioning head 40 is installed at the lower end of the extension rod, and a positioning frame 41 for limiting the positioning head is installed at the upper end of the vent hole. Other structures are the same as in Embodiment 1.

When the scene is unattended, someone breaks in and is detected by the attitude sensor, monitor, and infrared sensor. At this time, the controller controls the solenoid valve to open, and the high-pressure airflow in the high-pressure gas storage tank is transported to the gas storage cavity. Push the piston upward, and the bump is separated from the positioning pin. The slider slides downward under the action of the preload spring, causing the push rod to push the sleeve downward to a horizontal position. The piston continues to move upward and the ejection head is ejected outward. When the piston After moving upward to the position of the positioning frame, the ejector rod is pushed downward by the positioning frame. The pushing surface on the ejector rod pushes the sealing baffle to move to open the air inlet. The air flow is transported from the air inlet hole and the ventilation hole to the installation groove, thereby making the The ejection head is ejected outward until the positioning head at the lower end of the extension rod reaches the limiter. After the second ejection, the extension rod, piston rod, and sleeve are assembled together in sequence. The overall length is longer and can cover the cable work. The entire side length of the well. At this time, the entire protective net bag is fully unfolded and laid above the cable working shaft 42, which can prevent intruders from falling into the cable working shaft. For some malicious thieves, it can prevent them from entering the cable working shaft, delaying the time of success, and thus giving Managers reserve time to reach on-site disposal.

The above-described embodiments are only preferred solutions of the present invention and do not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims (10)

1. The cable work well protection device is characterized by comprising a fence body arranged around a cable work well, wherein an attitude sensor, a monitor and a controller are arranged on the fence body;

the attitude sensor is used for detecting displacement, vibration and inclination states of the fence body and transmitting data to the controller;

and the monitor is used for capturing the field pictures around the cable work well and transmitting the field pictures to the controller.

2. The cable work well protection device according to claim 1, wherein a plurality of infrared sensors are arranged at the upper end of the fence body and are electrically connected with the controller.

3. The cable work well protection device according to claim 1, wherein the sound-light alarm is installed on the fence body, and the sound-light alarm is electrically connected with the controller.

4. A cable pit protector according to claim 1 wherein the fence body is provided with a battery for powering the controller.

5. The cable manhole protection device of claim 4, wherein the fence body is provided with a solar photovoltaic panel, and the solar photovoltaic panel charges the storage battery after generating electricity.

6. The cable work well protection device of claim 5, wherein the rail body is provided with a support rod, the storage battery and the monitor are arranged on the support rod, and the solar photovoltaic panel is arranged at the upper end of the support rod.

7. A cable pit protecting device according to any one of claims 1 to 6 wherein the fence body is formed into a frame structure from four fence frames connected end to end.

8. The cable work well protection device according to claim 7, wherein the fence frame comprises an upper cross rod, a lower cross rod and a plurality of stand columns, the stand columns are connected between the upper cross rod and the lower cross rod, a support base is arranged at the lower end of each stand column, and a plurality of support rods arranged at intervals are connected between the upper cross rod and the lower cross rod.

9. The cable work well protection device according to claim 7, wherein connecting columns which are vertically arranged are arranged at two ends of the fence frame, and the connecting columns are hinged with vertical sleeves; a sliding block which is movably arranged is arranged on the connecting column, a pre-tightening spring is arranged between the sliding block and the connecting column, and a push rod is hinged between the sleeve and the sliding block; a piston is arranged in the sleeve, a piston rod is connected to the piston, an ejection head is arranged at the upper end of the piston rod, an air storage cavity is arranged below the piston in the sleeve, a high-pressure air storage tank is arranged on the sleeve, an electromagnetic valve is arranged between the high-pressure air storage tank and the air storage cavity, and the electromagnetic valve is electrically connected with a controller; a positioning pin is arranged on the sleeve, a reset spring is arranged between the positioning pin and the sleeve, a positioning groove is arranged on the sliding block, a convex block is arranged on the piston rod, one end of the positioning pin is abutted against the convex block, and the other end of the positioning pin is inserted into the positioning groove to position the sliding block; the protective net bags are connected between the two sleeves at the two ends of the fence frame, the two ends of the lower edge of the protective net bags are respectively connected to the lower ends of the two sleeves, and the two ends of the upper edge of the protective net bags are respectively connected to the two ejection heads.

10. The cable work well protection device according to claim 9, wherein the piston rod is provided with an axially arranged vent hole, the upper end of the piston rod is provided with a mounting groove, the ejection head is mounted in the mounting groove, the ejection head is connected with an extension rod, the extension rod is inserted in the vent hole, the extension rod extends downwards to the piston position, the piston is provided with an air inlet hole, the air inlet hole is communicated between the vent hole and the air storage cavity, the piston is connected with a movable sealing baffle and a push rod, the sealing baffle is used for opening and closing the vent hole, the push rod is provided with a pushing surface which is obliquely arranged, the pushing surface is attached to the edge of the sealing baffle, and the upper end of the push rod extends out of the upper end of the piston; the sleeve is internally provided with a locating rack for limiting the piston close to the upper end, the lower end of the extension rod is provided with a locating head, and the upper end of the vent hole is provided with a limiting rack for limiting the locating head.