CN219916461U - Portable long duration bolt looseness alarm structure - Google Patents
Portable long duration bolt looseness alarm structure Download PDFInfo
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- CN219916461U CN219916461U CN202223481278.4U CN202223481278U CN219916461U CN 219916461 U CN219916461 U CN 219916461U CN 202223481278 U CN202223481278 U CN 202223481278U CN 219916461 U CN219916461 U CN 219916461U
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- alarm
- bolt
- metal elastic
- audible
- elastic sheet
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 239000002184 metal Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a portable long-endurance bolt loosening alarm structure which mainly comprises a detection mechanism and an alarm mechanism. The detection mechanism consists of a first metal elastic sheet and an insulating base; the alarm mechanism consists of a second metal elastic sheet, an audible and visual alarm and a power module. The first metal elastic sheet on the detection mechanism is connected with the negative electrode of the power module through one of the power wires, and the second metal elastic sheet on the alarm mechanism is connected with the positive electrode of the power module through the other power wire. Because the two metal elastic sheets have good electric conductivity, the circuit for supplying power to the audible and visual alarm is in a passage state, and the audible and visual alarm can timely give an alarm to prompt that the wind power tower bolt is loosened.
Description
Technical Field
The utility model relates to the technical field of mechanical detection mechanisms, in particular to a portable long-endurance alarm device for detecting loosening of a wind power tower bolt.
Background
In recent years, a catastrophic event has occurred due to the failure of mechanical equipment components. According to the related data, the periodic maintenance detection of the equipment can reduce the accident rate by about 75 percent and the maintenance cost by about 25 to 50 percent.
The wind power tower is a bearing part in the wind power generator set, mainly plays a supporting role in the wind power generator set, and absorbs the vibration of the wind power generator set. In the operation process of the wind turbine generator, the fastening bolts in the wind turbine tower are often influenced by various factors such as vibration, impact, temperature change and the like, so that natural loosening occurs, and certain potential safety hazards are brought to the normal operation of the wind turbine generator. Therefore, the bolt loosening condition in the wind turbine tower must be regularly maintained and detected to ensure the operation safety of the wind turbine.
The traditional bolt looseness detection mode of the wind turbine generator system relies on manpower to carry out inspection management, and the problems of high labor intensity, poor accuracy and the like exist. In the field of automatic maintenance and detection, most methods in the market are based on ultrasonic waves or displacement sensors, and the loosening condition of a bolt is judged by comparing the difference between the current state of the bolt and a reference condition. However, the structure of the detection devices is generally complex, the detection process is complex, and long-time loosening state monitoring of the wind power tower bolts cannot be achieved.
Therefore, to this difficult problem, provide a portable long time endurance bolt and become flexible alarm structure, can realize the long-time monitoring to wind-powered electricity generation tower section of thick bamboo fastening bolt not hard up condition under the condition that does not have the manual work to assist, promoted the stability and the reliability of relevant wind-powered electricity generation fortune dimension system.
Disclosure of Invention
The utility model mainly provides a portable long-endurance alarm device for detecting loosening of a wind power tower barrel bolt, which can effectively detect loosening conditions of the wind power tower barrel fastening bolt and timely give an alarm when the bolt is loosened. In addition, the device can realize the long-time monitoring to the bolt loosening condition under the condition of no manual assistance by carrying the power module.
In order to achieve the above purpose, the utility model provides a portable long-endurance bolt loosening alarm structure, which comprises a detection mechanism and an alarm mechanism, wherein the detection mechanism comprises an insulating base and a first metal elastic piece which are arranged on the side face of a fastening nut, the alarm mechanism comprises a power module, an audible and visual alarm and a second metal elastic piece, the alarm mechanism is arranged beside a bolt to be detected on a flange plate of a wind power tower, the detection mechanism is connected with the alarm mechanism through a power wire, and a certain distance is preset between the first metal elastic piece in the detection mechanism and the second metal elastic piece in the alarm mechanism.
Further, a first metal elastic sheet in the detection mechanism is fixed on an insulation base, and the insulation base is fixed on the side face of a bolt of the wind power tower to be detected through an adhesive tape;
further, the shell of the alarm mechanism is made of insulating materials, the second metal elastic sheet is fixed on the side face of the alarm mechanism through an adhesive tape, one end of a power wire in the alarm mechanism is connected with the second metal elastic sheet, and the other end of the power wire is connected with the anode of the power module;
further, the power supply lead for connecting the detection mechanism and the alarm mechanism is characterized in that one end interface of the power supply lead is fixed on a first metal elastic sheet of the detection mechanism, and the other end of the power supply lead is fixed on a negative electrode of a power supply module in the alarm mechanism;
further, the first metal elastic sheet and the second metal elastic sheet which are arranged in the detection mechanism and the alarm mechanism have good electric conductivity;
further, the portable long-endurance bolt loosening alarm is fixedly arranged on the side face of the bolt to be detected in the loosening direction, and a certain distance is required to be reserved between a first metal elastic sheet and a second metal elastic sheet arranged on the detection mechanism and the alarm mechanism;
further, when the fastening nut to be detected is loosened, the first metal elastic sheet arranged on the detection mechanism rotates for a certain angle along with the fastening nut, so that the first metal elastic sheet contacts with the second metal elastic sheet arranged on the alarm mechanism, the whole circuit forms a passage and an audible and visual alarm is started to give an alarm;
further, through the fixed setting of every fastening bolt on wind-powered electricity generation tower section of thick bamboo ring flange respectively by the not hard up alarm structure of portable long duration bolt, can realize the long-time monitoring to all fastening bolt elasticity conditions in the wind-powered electricity generation tower section of thick bamboo.
Compared with the prior art, the utility model provides an alarm structure applied to wind power tower barrel bolt loosening detection, and has the following beneficial effects:
(1) The alarm mechanism of the device is provided with a power supply module, and the power supply module only supplies power for the audible and visual alarm. Under the condition that the bolts are not loosened, the whole circuit is in an open circuit state, and the power supply module does not work. Therefore, the device has relatively less energy consumption, and can realize long-time cruising without manual assistance.
(2) The device can be used for detecting the loosening condition of fastening bolts at the joint of the tower barrel in wind power equipment, and can self-define the sensitivity degree of the loosening alarm of the bolts by adjusting the preset distance between two elastic sheets.
(3) The device has simple and portable overall structure and relatively low manufacturing cost. In addition, the installation and the dismantlement process of this device in wind-powered electricity generation tower section of thick bamboo are simple and convenient, need not to punch fine processing such as bolt and ring flange, and the suitability is stronger.
Drawings
FIG. 1 is a schematic view of the overall structure of the utility model mounted on a wind power tower;
FIG. 2 is a schematic illustration of details of the structure of the present utility model;
FIG. 3 is a schematic diagram of the principle of operation of the structure of the present utility model;
reference numerals illustrate: 1. wind power tower cylinder flange plate; 2. a fastening nut; 3. an alarm mechanism; 4. a power supply wire; 5. a detection mechanism; 6. a bolt; 7. a second metal spring plate; 9. an audible and visual alarm; 10. a power module; 11. a first metal spring plate; 12. an insulating base.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the utility model provides a portable long-endurance bolt loosening alarm structure for detecting loosening of a fastening nut 2 fixed on a flange plate 1 of a wind power tower and screwed on a bolt 6. The device is mainly divided into an alarm mechanism 3 and a detection mechanism 5, wherein the detection mechanism 5 is fixed on one side surface of a fastening nut 2 to be detected through an adhesive tape, the alarm mechanism 3 is fixed on a flange plate 1 of a wind power tower through the adhesive tape, and the alarm mechanism 3 and the detection mechanism 5 are connected through a power wire 4.
As shown in fig. 2, the detecting mechanism 5 in the structure of the present utility model is mainly divided into a first metal elastic sheet 11 and an insulating base 12; the alarm mechanism 3 is divided into a second metal spring plate 7, an audible and visual alarm 9 and a power module 10. The power wire 4 connects the first metal spring 11 on the detecting mechanism 5 with the negative pole of the power module 10, and the power wire 4 connects the second metal spring 7 on the alarming mechanism 3 with the positive pole of the power module 10. The whole circuit supplies power for the audible and visual alarm 9, and when the whole circuit is in a passage state, the audible and visual alarm 9 can work normally.
In this embodiment, preferably, the first metal elastic sheet 11 and the second metal elastic sheet 7 installed in the detection mechanism 5 and the alarm mechanism 3 need to have good electrical conductivity, and when the two metal elastic sheets are in contact, current can be ensured to pass through the two metal elastic sheets smoothly, so that the normal operation of the whole circuit is ensured. The metal elastic sheet material with better conductivity is selected, so that the working stability and reliability of the whole bolt looseness alarm device can be effectively improved.
According to the portable long-endurance bolt looseness alarm mechanism, when the portable long-endurance bolt looseness alarm mechanism is installed, the detection mechanism 5 is fixed on one side face of the fastening nut 2 to be detected through an adhesive tape; the alarm mechanism 3 is fixedly arranged on the flange plate 1 of the wind power tower, and the side surface of the bolt 6 to be detected in the loosening direction is provided with a detection device; a certain distance needs to be reserved between the first metal elastic sheet 11 and the second metal elastic sheet 7 which are arranged on the detection mechanism 5 and the alarm mechanism 3.
In the use process of the portable long-endurance bolt looseness alarm mechanism, when the fastening bolt 6 is screwed down, as shown in fig. 3, a certain distance exists between the first metal elastic sheet 11 and the second metal elastic sheet 7 which are arranged on the detection mechanism 5 and the alarm mechanism 3, the circuit is in an open circuit state, the audible and visual alarm 9 cannot work, and an alarm cannot be given out; when the fastening bolt 6 is loosened, that is, the fastening bolt 6 rotates in the clockwise direction, the first metal elastic piece 11 mounted thereon also rotates along with the fastening bolt 6, so as to be in contact with the second metal elastic piece 7 mounted on the alarm mechanism 3. Because the two metal elastic sheets have good electric conductivity, a circuit for supplying power to the audible and visual alarm 9 is in a passage state, and the audible and visual alarm 9 can timely give an alarm to prompt that the wind power tower bolt is loosened.
In this embodiment, preferably, by adjusting the preset distance between the first metal elastic sheet 11 and the second metal elastic sheet 7 installed on the detection mechanism 5 and the alarm mechanism 3, the sensitivity of the alarm system to the loosening condition of the wind power tower barrel bolt can be customized, and more adjustable space is provided for the whole system.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The portable long-endurance bolt loosening alarm structure is characterized by comprising an alarm mechanism (3) and a detection mechanism (5) and can be used for detecting the loosening condition of a fastening nut (2) in a wind power tower; the detection mechanism (5) is fixed on one side surface of the fastening nut (2) to be detected through an adhesive tape; the alarm mechanism (3) is fixed on the flange plate (1) of the wind power tower through an adhesive tape, and the side surface of the bolt (6) to be detected in the loosening direction is provided with a plurality of alarm holes; the alarm mechanism (3) and the detection mechanism (5) are connected through a power wire (4).
2. The portable long-endurance bolt loosening alarm structure according to claim 1, wherein the detection mechanism (5) is composed of a first metal elastic sheet (11) and an insulating base (12).
3. The portable long-endurance bolt loosening alarm structure according to claim 1, wherein the alarm mechanism (3) mainly comprises a second metal spring plate (7), an audible and visual alarm (9) and a power module (10).
4. The portable long life bolt loosening alert structure as claimed in claim 1, wherein,
the power wire (4) is connected with a first metal elastic sheet (11) on the detection mechanism (5) and the negative electrode of the power module (10), and the power wire (4) is connected with a second metal elastic sheet (7) on the alarm mechanism (3) and the positive electrode of the power module (10); the whole circuit supplies power for the audible and visual alarm (9), and when the whole circuit is in a passage state, the audible and visual alarm (9) can work normally.
5. The portable long-endurance bolt loosening alarm structure according to claim 4, wherein in the use process, when the bolt (6) is screwed down, a certain distance exists between a first metal elastic sheet (11) and a second metal elastic sheet (7) which are arranged on the detection mechanism (5) and the alarm mechanism (3), a circuit is in an open circuit state, and the audible and visual alarm (9) cannot work and cannot give an alarm; when the bolt (6) is loosened, namely the bolt (6) rotates clockwise, the first metal elastic piece (11) also rotates along with the bolt (6), so that the first metal elastic piece contacts with a second metal elastic piece (7) arranged on the alarm mechanism (3); because the two metal elastic sheets have good electric conductivity, a circuit for supplying power to the audible and visual alarm (9) is in a passage state, and the audible and visual alarm (9) can give an alarm in time to prompt that the wind power tower bolt is loosened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481278.4U CN219916461U (en) | 2022-12-26 | 2022-12-26 | Portable long duration bolt looseness alarm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481278.4U CN219916461U (en) | 2022-12-26 | 2022-12-26 | Portable long duration bolt looseness alarm structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219916461U true CN219916461U (en) | 2023-10-27 |
Family
ID=88424883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223481278.4U Active CN219916461U (en) | 2022-12-26 | 2022-12-26 | Portable long duration bolt looseness alarm structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219916461U (en) |
-
2022
- 2022-12-26 CN CN202223481278.4U patent/CN219916461U/en active Active
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