CN215608892U - Safety belt for preventing hanging high - Google Patents
Safety belt for preventing hanging high Download PDFInfo
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- CN215608892U CN215608892U CN202121396843.XU CN202121396843U CN215608892U CN 215608892 U CN215608892 U CN 215608892U CN 202121396843 U CN202121396843 U CN 202121396843U CN 215608892 U CN215608892 U CN 215608892U
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- safety belt
- hose
- conductive contact
- alarm
- belt body
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- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000012528 membrane Substances 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of high-altitude operation safety, in particular to a safety belt for preventing low hanging height, which comprises a safety belt body, hooks arranged at two ends of the safety belt body and a hose, wherein the hose extends along the length direction of the safety belt body; the inner side pipe wall of the hose is provided with a first conductive contact, a second conductive contact and a third conductive contact which are arranged at intervals along the length direction of the hose; the conductive liquid is filled in the hose and is communicated with the second conductive contact and the third conductive contact when the safety belt body is used mistakenly; and the controller controls the alarm to give an alarm when the safety belt body is used wrongly. According to the utility model, different conductive contacts are conducted through the conductive liquid in the hose, and the height difference of two ends of the safety belt is judged when the safety belt is used, so that an alarm is given when the safety belt is used against regulations, field safety personnel are reminded to correct in time, and the phenomenon of low hanging height is avoided.
Description
Technical Field
The utility model relates to the technical field of high-altitude operation safety, in particular to a safety belt for preventing low hanging height.
Background
According to the regulation of national grid company electric power safety work regulations: the harness and the cords dedicated to securing the harness should be visually inspected prior to use. The safety belt should be inspected regularly according to appendix L, and is unqualified and inaccurate. The belt is specified in appendix L to be tested 1 time per 1 year, and to be used after qualification, the cattle belt should be tested 1 time per half year. The hook or rope of the safety belt should be hung on a firm component or a steel wire rope specially used for hanging the safety belt, and a mode of hanging the safety belt in a high mode or a low mode should be adopted. And are prohibited from hanging on moving or loose objects.
One end of a common safety belt is tied at the back of a field worker, and a hook at the other end is hooked on a firm component which is higher than the back end of the worker according to the regulation requirement. The 'hanging height is low' means that a field worker does not follow the regulation requirement, but the hook of the safety belt is tied on a component lower than one end of the back of the worker. The mode of using the safety belt illegally for hanging high-voltage safety belt has the safety risk that personnel fall down to the ground or collide with the electrified equipment, and great potential safety hazards are caused.
CN109908507A discloses an intelligence high altitude construction safety belt, through setting up dual safety belt both ends height state detection device, the practical state of monitoring safety belt avoids hanging the condition of high usefulness lowly, but this safety belt relies on the ball pressure in the safety belt hose to judge inclination and difference in height, this kind of mode application pressure sensor requires the algorithm to calculate inclination, monitoring structure and algorithm are complicated, and the difference in height is calculated in addition to extra rubber rope assistance, the rubber rope has the possibility of losing and the use of inconvenient safety belt.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the safety belt for high-altitude operation in the prior art is low in hanging height, and provides a safety belt for preventing low hanging height.
In order to achieve the purpose, the utility model provides a safety belt for preventing low hanging height, which comprises a safety belt body, hooks arranged at two ends of the safety belt body and a safety belt body
A hose extending along a length direction of the seatbelt body,
the inner side pipe wall of the hose is provided with a first conductive contact, a second conductive contact and a third conductive contact which are arranged at intervals along the length direction of the hose;
the conductive liquid is filled in the hose and is communicated with the second conductive contact and the third conductive contact to realize the transmission of electric signals when the safety belt body is used mistakenly;
and the integrated unit is electrically connected with the first conductive contact, the second conductive contact and the third conductive contact respectively, and controls the alarm to give an alarm when the safety belt body is used mistakenly.
Preferably, protective covers are arranged at two ends of the hose to prevent the conductive liquid from volatilizing.
Preferably, the volume of the conductive liquid is 60-70 vol% of the volume of the hose.
Preferably, the conductive liquid is selected from mercury and/or ionic liquids.
Preferably, the hose further comprises a micro-permeable membrane disposed at an outer port of the hose.
Preferably, the micro-permeable membrane is a PTFE micro-permeable membrane.
Preferably, the safety belt further comprises a voltage transformer disposed between the safety belt body and the hose, the voltage transformer being in electrical communication with the integrated unit for sensing the strength of the electric field around the safety belt.
Preferably, a single-pass solenoid valve in electrical communication with the integrated unit is also included.
Preferably, the integrated unit further comprises
The man-machine interaction unit is used for recording the inspection date of the safety belt;
a storage unit for storing the data according to the date recorded by the man-machine interaction unit,
and the control unit can control the alarm to give an alarm according to whether the interval time between the current date and the last inspection date meets the inspection period or not.
Preferably, the alarm is selected from a buzzer and/or a light emitting diode.
Through the technical scheme, different conductive contacts are conducted through the conductive liquid in the hose, and the height difference of the two ends of the safety belt is judged when the safety belt is used, so that an alarm is given when the safety belt is used against regulations, field safety personnel are reminded to correct the safety belt in time, and the phenomenon of low hanging height is avoided.
The voltage transformer that sets up can judge whether the safety belt is in safe working range, prevents that personnel from missing the live equipment region, also can report to the police when the mercury in the hose leaks, prevents the cracked serious potential safety hazard of safety belt.
Drawings
FIG. 1 is a schematic view of a safety belt for preventing low hang-up according to an embodiment of the present invention;
FIG. 2 is a schematic view of a low hang-up prevention harness according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an integrated unit according to an embodiment of the present invention.
Description of the reference numerals
1. First conductive contact 2, second conductive contact
3. Third conductive contact 4, hose
5. Safety belt body 6, integrated unit
7. Micro-permeable membrane 8, alarm
9. Hook 10 and protective cover
11. Single-way electromagnetic valve 12 and voltage transformer
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as viewed with reference to the accompanying drawings, unless otherwise specified; "inner and outer" generally refer to the inner and outer relative to the profile of the components themselves; "distal and proximal" generally refer to distance relative to the contour of the components themselves.
FIG. 1 is a schematic view of a safety belt for preventing low hang-up according to an embodiment of the present invention; as shown in figure 1, the utility model provides a safety belt for preventing hanging from low and high, which comprises a safety belt body 5, hooks 9 arranged at two ends of the safety belt body 5, and a safety belt body
A hose 4 extending along the longitudinal direction of the seatbelt body 5,
the inner side pipe wall of the hose 4 is provided with a first conductive contact 1, a second conductive contact 2 and a third conductive contact 3 which are arranged at intervals along the length direction;
the conductive liquid is filled in the hose 4 and is communicated with the second conductive contact 2 and the third conductive contact 3 to realize the transmission of electric signals when the safety belt body is used mistakenly;
and the integrated unit 6 is respectively electrically connected with the first conductive contact 1, the second conductive contact 2 and the third conductive contact 3, and controls the alarm 8 to give an alarm when the safety belt body is used wrongly.
As shown in fig. 1, the operation principle of the safety belt for preventing low hanging height of the present invention is as follows:
when the safety belt is used or placed correctly, the safety belt body 5 and the hose 4 are both U-shaped, the height of the second conductive contact 2 is smaller than that of the first conductive contact 1 and smaller than that of the third conductive contact 3, so that the first conductive contact 1 and the second conductive contact 2 are immersed in the conductive liquid, namely the first conductive contact 1 and the second conductive contact 2 are electrically connected, the third conductive contact 3 is not in contact with the conductive liquid and is not electrically connected with the first conductive contact 1 and the second conductive contact 2, at the moment, the safety belt is in a normal state, and the alarm 8 cannot give an alarm.
FIG. 2 is a schematic view of a low hang-up prevention harness according to an embodiment of the present invention; as shown in fig. 2, when the safety belt is used incorrectly, the height of the second conductive contact 2 is less than that of the third conductive contact 3 and less than that of the first conductive contact 1, so that the third conductive contact 3 and the second conductive contact 2 are immersed in the conductive liquid, the third conductive contact 3 is electrically connected with the second conductive contact 2, and at this time, the controller in the integrated unit 6 controls the alarm 8 to give an alarm to remind a worker that the safety belt is used incorrectly, so that the worker can use the safety belt correctly.
According to the present invention, the conductive liquid may be any conductive liquid as long as it can conduct electricity, and the kind of the conductive liquid may be known to those skilled in the art, and may be, for example, mercury and/or an ionic liquid.
According to the utility model, in order to avoid the volatilization of the conductive liquid, the loss of the conductive liquid and the damage to the human body and the environment, under the preferable conditions, the two ends of the hose 4 are provided with the protective covers 10 for preventing the volatilization of the conductive liquid, and the lubricating agent is coated between the protective covers 10 and the wall of the hose 4 for lubrication, so that the protective covers 10 can be adsorbed at the two ends of the conductive liquid under the dual actions of gravity and siphon to seal and protect the conductive liquid. The material and dosage of the lubricant should ensure that the lubrication and sealing functions are completed during the use period and within the use times, the type of the lubricant can be known by the person skilled in the art, and the description is omitted in the present application.
According to the utility model, when the hose is used and placed correctly (high hanging and low hanging), the conductive liquid can submerge the first conductive contact 1 and the second conductive contact 2 and is not contacted with the third conductive contact 3, and when the hose is used incorrectly (low hanging and high hanging), the conductive liquid can submerge the third conductive contact 3 and the second conductive contact 2 and trigger the integrated unit 6 to work, so that the alarm gives an alarm, wherein under the preferable condition, the volume of the conductive liquid is 60-70% of the volume of the hose 4.
In some preferred embodiments of the present invention, in order to balance the pressure of the flexible tube 4 with the external atmospheric pressure, it is preferable that a micro-permeable membrane 7 is further included at the external port of the flexible tube 4, the micro-permeable membrane 7 can balance the pressure in the flexible tube 4 without causing leakage of the conductive liquid, and the type of the micro-permeable membrane 7 is known to those skilled in the art, and may be, for example, a polytetrafluoroethylene micro-permeable membrane.
In some preferred embodiments of the present invention, the safety belt further comprises the voltage transformer 12 disposed between the safety belt body 5 and the hose 4, the voltage transformer 12 is electrically communicated with the integration unit 6 for sensing the electric field intensity around the safety belt, when the coil in the voltage transformer 12 senses that the electric field intensity nearby is higher than a specific value, the integration unit 6 calculates whether the safety belt hook is hung within a safe distance according to the power grid voltage level of the working area, and when the safety belt is not within the safe working distance, the integration unit 6 controls the alarm 8 to give an alarm; meanwhile, when the safety belt is close to a strong electric field, the conductive liquid in the hose 4 can sense voltage, potential differences are generated among the first conductive contact 1, the second conductive contact 2 and the third conductive contact 3, the integration unit 6 calculates whether the whole safety belt is within a safe working distance according to the voltage level of a power grid of a working area, and when the safety belt is not within the safe working distance, the integration unit 6 can control the alarm 8 to give an alarm.
In some preferred embodiments of the present invention, the safety belt further comprises a one-way solenoid valve 11, when the conductive liquid leaks, the micro-permeable membrane 7 is controlled to be connected with the atmosphere when the safety belt is used, and the micro-permeable membrane 7 is controlled to be disconnected with the atmosphere when the safety belt is not used, so that one more layer of safety protection is provided when the protective cover 10 and the micro-permeable membrane 7 are simultaneously damaged.
The integrated unit 6 also comprises a controller which is used for detecting that one contact is conducted or no contact is conducted, which indicates that the safety belt is broken, the hose 4 in the safety belt is broken, and the integrated unit 6 also controls the alarm 8 to give an alarm, so that serious safety accidents caused by the continuous use of the broken safety belt are prevented.
The present invention has no special requirements on the structure of the integrated unit 6, as long as it can alarm according to the voltage change of the circuit, and it can be known to those skilled in the art. Fig. 3 is a circuit diagram of an integrated unit according to an embodiment of the present invention, and as shown in fig. 3, the integrated unit 6 includes:
the man-machine interaction unit is used for recording the inspection date of the safety belt;
a storage unit for storing a check date of the safety belt;
judging the interval time between the current date and the last inspection date according to the inspection date recorded by the man-machine interaction unit;
the control unit is further configured to: and controlling an alarm to give an alarm under the condition that the interval time meets the inspection period.
The type of the human-computer interaction unit may be known to those skilled in the art as long as the input and display of information can be achieved, and may include, for example, a switch, a display module, a storage module, and a processing module, where the switch may be one of a button, a toggle switch, and a touch switch.
The utility model does not require any particular kind of alarm, which may be known to the person skilled in the art, for example, the alarm is selected from a buzzer, a light emitting diode, a horn or a sound.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (9)
1. The safety belt capable of preventing hanging from low height comprises a safety belt body (5) and hooks (9) arranged at two ends of the safety belt body (5), and is characterized by further comprising
A hose (4) extending in the longitudinal direction of the belt body (5),
the inner side pipe wall of the hose (4) is provided with a first conductive contact (1), a second conductive contact (2) and a third conductive contact (3) which are arranged at intervals along the length direction of the hose;
the conductive liquid is filled in the hose (4) and is communicated with the second conductive contact (2) and the third conductive contact (3) to realize the transmission of electric signals when the safety belt body (5) is used wrongly;
and the integrated unit (6) is respectively electrically connected with the first conductive contact (1), the second conductive contact (2) and the third conductive contact (3), and controls the alarm (8) to give an alarm when the safety belt body (5) is used wrongly.
2. Safety belt according to claim 1, characterized in that the hose (4) is provided at both ends with protective caps (10) for preventing evaporation of the conductive liquid.
3. Safety belt according to claim 1, characterized in that the volume of the electrically conductive liquid is 60-70% of the volume of the hose (4).
4. Safety belt according to claim 1, characterized in that it further comprises a micro-permeable membrane (7) arranged at both ends of the hose (4).
5. Safety belt according to claim 4, characterized in that the micro-permeable membrane (7) is a PTFE micro-permeable membrane.
6. The safety belt according to claim 1, further comprising a voltage transformer (12) disposed between the safety belt body (5) and the hose (4), the voltage transformer (12) being in electrical communication with the integrated unit (6) for sensing the strength of the electric field around the safety belt.
7. The safety belt according to claim 1, characterized in that it further comprises a single-pass solenoid valve (11) in electrical communication with said integrated unit (6).
8. Safety belt according to any one of claims 1 to 7, characterized in that the integrated unit (6) comprises
The man-machine interaction unit is used for recording the inspection date of the safety belt;
a storage unit for storing the check date recorded by the man-machine interaction unit,
and the control unit can control the alarm to give an alarm according to whether the interval time between the current date and the last inspection date meets the inspection period or not.
9. The harness as claimed in claim 8 wherein the alarm is selected from a buzzer and/or a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396843.XU CN215608892U (en) | 2021-06-22 | 2021-06-22 | Safety belt for preventing hanging high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396843.XU CN215608892U (en) | 2021-06-22 | 2021-06-22 | Safety belt for preventing hanging high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215608892U true CN215608892U (en) | 2022-01-25 |
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ID=79944781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121396843.XU Active CN215608892U (en) | 2021-06-22 | 2021-06-22 | Safety belt for preventing hanging high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215608892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463354A (en) * | 2022-09-26 | 2022-12-13 | 广东电网有限责任公司 | Safety belt monitoring system and monitoring method |
-
2021
- 2021-06-22 CN CN202121396843.XU patent/CN215608892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463354A (en) * | 2022-09-26 | 2022-12-13 | 广东电网有限责任公司 | Safety belt monitoring system and monitoring method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: Super high voltage branch of State Grid Anhui Electric Power Co.,Ltd. Address before: No.8, jincui Road, Shuangfeng Industrial Park, Fuyang North Road, Changfeng County, Hefei City, Anhui Province Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH |