CN208383149U - The device that a kind of pair of bolt looseness is monitored - Google Patents
The device that a kind of pair of bolt looseness is monitored Download PDFInfo
- Publication number
- CN208383149U CN208383149U CN201821001367.5U CN201821001367U CN208383149U CN 208383149 U CN208383149 U CN 208383149U CN 201821001367 U CN201821001367 U CN 201821001367U CN 208383149 U CN208383149 U CN 208383149U
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- CN
- China
- Prior art keywords
- outer cylinder
- shaft
- monitored
- inner cylinder
- screw rod
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Abstract
The utility model relates to the devices that bolt looseness monitoring field more particularly to a kind of pair of bolt looseness are monitored.Including inverted outer cylinder, inner cylinder, the inner cylinder setting is in the outer cylinder, the outer cylinder and the inner cylinder top center are provided with angular sensor, the outer cylinder is arranged on bolted end to be monitored, first screw rod and the setting of nut connecting pin are in the outer cylinder, the outer cylinder bottom is bonded fixation with the connector top, the inner cylinder is bonded fixation with the nut upper end, first screw tip is vertically arranged with shaft, the shaft upper end is fixed with the outer cylinder, the angular sensor is connect with simulation input acquisition module, the simulation input acquisition module is connect with computer.The bolt looseness monitoring device has simple structure, and performance is stablized, highly reliable, installation convenience, can loosen situation by monitoring bolt in real time, produces a desired effect to the loosening monitoring of bolt.
Description
Technical field
The utility model relates to the devices that bolt looseness monitoring field more particularly to a kind of pair of bolt looseness are monitored.
Background technique
To be bolted be that a kind of structure is simple, is convenient to mount and dismount, low-cost connection type, and equipment and knot are widely used in
In structure.The failure mode of bolt is varied, and most common failure mode is exactly bolt looseness, impact of the bolt in cyclic loading
With will appear different degrees of loosening situation under the action of forced vibration, the loosening of bolt will lead to destructive consequence and great
Property loss.Especially for those bolts of work in the presence of a harsh environment, tightness and fatigue damage are often difficult to directly
It connects judgement or its elastic situation is often ignored.After the undesirable bolt bring calamity of those health status
Fruit, carrying out real time on-line monitoring to bolt health status is particularly important.For this purpose, it is proposed that a kind of pair of bolt looseness is real-time
The device of monitoring, this monitoring device simple structure, performance is stablized, highly reliable, installation convenience, can real-time monitoring bolt pine
Emotionally condition.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of pair of bolt pine
The dynamic device being monitored.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model are as follows:
The device that a kind of pair of bolt looseness is monitored, including inverted outer cylinder, inner cylinder, the inner cylinder setting is described outer
In cylinder, the outer cylinder and the inner cylinder top center are provided with angular sensor, and the outer cylinder is arranged in spiral shell to be monitored
On bolt connecting pin, the bolted end to be monitored includes the first screw rod, nut and connector, first screw rod and nut
Connecting pin is arranged in the outer cylinder, and the outer cylinder bottom is bonded fixation, the inner cylinder and the spiral shell with the connector top
The fitting of cap upper end is fixed, and first screw tip is vertically arranged with shaft, and the shaft upper end passes through at the top of the inner cylinder
Angular sensor is inserted into the angular sensor at the top of the outer cylinder, and the shaft upper end is fixed with the outer cylinder, institute
It states angular sensor to connect with simulation input acquisition module, the simulation input acquisition module is connect with computer.
First screw tip is vertically arranged with bar holder, and the bar holder outside is cylindrical, in the bar holder
The heart is provided with shaft slot, and the shaft slot is square, and shaft slot upper end is provided with limit hole, and the shaft lower end is provided with
Shaft limited block, the shaft are matched with the limit hole, and the shaft limited block is limited in the shaft slot.
Shaft upper end side is provided with positive stop strip, in the angular sensor at the top of the outer cylinder and the inner cylinder
The heart is provided with and the matched limiting slot of the positive stop strip.
The outer cylinder upper top is provided with screw hole, and the corresponding position in shaft upper end is provided with threaded hole, described
The second screw rod is provided in threaded hole, the outer cylinder is fixed with the shaft by the second screw rod.
It is provided with the first magnet ring on the outside of the outer cylinder, the outer cylinder is fixed by the first magnet ring with connector.
The inner cylinder bottom interior wall is provided with the second magnet ring, and the inner cylinder is fixed by the second magnet ring with nut.
The bar holder bottom is provided with magnet block, and the bar holder is fixed by magnet block and the first screw tip.
The utility model has the beneficial effects that:
Utility model device is an entirety, when being monitored to bolted end to be monitored, directly by device
Being placed at bolted end to be monitored can be monitored.
The bolt looseness monitoring device has simple structure, and performance is stablized, highly reliable, and installation convenience can supervise in real time
Bolt looseness situation is surveyed, is produced a desired effect to the loosening monitoring of bolt.
The depth that bar holder can be inserted into according to the difference of actually detected bolted end to be monitored, shaft is different, from
And it is suitable for the bolted end of different model.
Detailed description of the invention
The utility model is described further with case study on implementation with reference to the accompanying drawing.
Fig. 1 is the internal structural map after the installation of the utility model；
Fig. 2 is the external structure figure after the utility model installation；
Fig. 3 is bolted end schematic diagram to be monitored；
Fig. 4 is outer cylinder schematic diagram；
Fig. 5, Fig. 6 are inner cylinder schematic diagram；
Fig. 7 is shaft schematic diagram；
Fig. 8 is bar holder schematic diagram；
Fig. 9 is the circuit controling drawing of the utility model.
Wherein: 1 outer cylinder, 101 first magnet rings, 2 bolted ends to be monitored, 201 first screw rods, 202 nuts, 203 connect
Fitting, 3 inner cylinders, 301 second magnet rings, 4 shafts, 401 positive stop strips, 402 shaft limited blocks, 5 bar holders, 501 shaft slots, 502
Magnet block, 503 limit holes, 6 angular sensors, 7 second screw rods, 8 simulation input acquisition modules, 9 computers.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
Referring to Fig. 1-9.
The utility model discloses the device that a kind of pair of bolt looseness is monitored, including inverted outer cylinder 1, inner cylinder 3, institutes
Inner cylinder 3 to be stated to be arranged in the outer cylinder 1, the outer cylinder 1 and 3 top center of the inner cylinder are provided with angular sensor 6,
The outer cylinder 1 is arranged on bolted end 2 to be monitored, and the bolted end 2 to be monitored includes the first screw rod 201, nut
202 and connector 203, first screw rod 201 and 202 connecting pin of nut are arranged in the outer cylinder 1,1 bottom of outer cylinder
Portion is bonded fixation with 203 top of connector, and the inner cylinder 3 is bonded fixation, first screw rod with 202 upper end of nut
201 top verticals are provided with shaft 4, and the angular sensor 6 that 4 upper end of shaft passes through 3 top of inner cylinder is inserted into institute
In the angular sensor 6 for stating 1 top of outer cylinder, 4 upper end of shaft and the outer cylinder 1 are fixed, the rotation angle sensor
Device 6 is connect with simulation input acquisition module 8, and the simulation input acquisition module 8 is connect with computer 9.
First screw rod, 201 top vertical is provided with bar holder 5,5 cylindrical, the shaft in outside of bar holder
Seat 5 is provided centrally with shaft slot 501, and the shaft slot 501 is square, and 501 upper end of shaft slot is provided with limit hole 503,
4 lower end of shaft is provided with shaft limited block 402, and the shaft 4 is matched with the limit hole 503, the shaft limited block
402 are limited in the shaft slot 501.Can be different according to the model of actually detected bolted end to be monitored, it can adjust
The depth that nodal axisn bar is inserted into bar holder is different, to be suitable for the bolted end of different model.
The 4 upper end side of shaft is provided with positive stop strip 401, and the rotation angle at 3 top of the outer cylinder 1 and the inner cylinder passes
Sensor 6 is provided centrally with and the matched limiting slot of the positive stop strip 401.
1 upper top of outer cylinder is provided with screw hole, and the corresponding position in 4 upper end of shaft is provided with threaded hole, institute
It states and is provided with the second screw rod 7 in threaded hole, the outer cylinder 1 is fixed by the second screw rod 7 with the shaft 4.
The first magnet ring 101 is provided on the outside of the outer cylinder 1, the outer cylinder 1 passes through the first magnet ring 101 and connector
203 is fixed.3 bottom interior wall of inner cylinder is provided with the second magnet ring 301, and the inner cylinder 3 passes through the second magnet ring 301 and nut
202 is fixed.5 bottom of bar holder is provided with magnet block 502, and the bar holder 5 passes through magnet block 502 and the first screw rod 201
Top is fixed.It is easily installed and dismantles using the design of magnet.
Utility model device all connects, and forms an entirety, directly can directly set mounted device
Set on bolted end 2 to be monitored, by the first magnet ring 101, the second magnet ring 301 and magnet block 502 with it is to be monitored
Bolted end 2 is fixed, and then different according to the bolt model of bolted end 2 to be monitored, shaft is inserted into the depth of bar holder
Voluntarily change.
Bolt looseness monitoring device is to monitor bolt by the way that whether the first screw rod 201 of monitoring or nut 202 rotate
Whether loosen, once bolt loosens, the first screw rod 201 or nut 202 are bound to rotate, in 1 He of outer cylinder
Angular sensor 6 on inner cylinder 3 can also rotate, the simulation input acquisition mould being connected with angular sensor 6
Block 8 will collect the changed signal of voltage, and simulation input acquisition module 8 and computer 9 pass through 485/232 bi-directional conversion
Device is connected, and the numerical value of voltage change can be shown in computer 9.It acquires 3 to 4 times within simulation input acquisition module 8 general one seconds
Data, so bolt if any very subtle loosening, can all be collected voltage signal.In the monitoring device operational process,
Angular sensor 6 on outer cylinder and inner cylinder need to input 5V voltage, and simulation input acquisition module 8 need to input 24V voltage.By
Practical application in engineering, the bolt looseness monitoring device have simple structure, and performance is stablized, highly reliable, installation convenience,
Situation can be loosened by monitoring bolt in real time, produced a desired effect to the loosening monitoring of bolt.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technical field,
It is also included in the patent protection scope of the utility model.
Claims (7)
1. the device that a kind of pair of bolt looseness is monitored, including inverted outer cylinder (1), inner cylinder (3), it is characterised in that: described
In the outer cylinder (1), the outer cylinder (1) and the inner cylinder (3) top center are provided with rotation angle and pass for inner cylinder (3) setting
Sensor (6), the outer cylinder (1) are arranged on bolted end to be monitored (2), and the bolted end (2) to be monitored includes the
One screw rod (201), nut (202) and connector (203), first screw rod (201) and the setting of nut (202) connecting pin exist
In the outer cylinder (1), outer cylinder (1) bottom is bonded fixation with the connector (203) top, the inner cylinder (3) with it is described
The fitting of nut (202) upper end is fixed, and the first screw rod (201) top vertical is provided with shaft (4), shaft (4) upper end
Angular sensor (6) at the top of the inner cylinder (3) is inserted into the angular sensor (6) at the top of the outer cylinder (1)
Interior, shaft (4) upper end and the outer cylinder (1) are fixed, the angular sensor (6) and simulation input acquisition module
(8) it connects, the simulation input acquisition module (8) connect with computer (9).
2. the device that a kind of pair of bolt looseness according to claim 1 is monitored, it is characterised in that: first screw rod
(201) top vertical is provided with bar holder (5), and the bar holder (5) is external cylindrical, bar holder (5) the center setting
Have shaft slot (501), the shaft slot (501) is square, and shaft slot (501) upper end is provided with limit hole (503), described
Shaft (4) lower end is provided with shaft limited block (402), and the shaft (4) matches with the limit hole (503), the shaft limit
Position block (402) is limited in the shaft slot (501).
3. the device that a kind of pair of bolt looseness according to claim 2 is monitored, it is characterised in that: the shaft (4)
Upper end side is provided with positive stop strip (401), angular sensor (6) center at the top of the outer cylinder (1) and the inner cylinder (3)
It is provided with and the positive stop strip (401) matched limiting slot.
4. the device that a kind of pair of bolt looseness according to claim 1 is monitored, it is characterised in that: the outer cylinder (1)
Upper top is provided with screw hole, and the corresponding position in shaft (4) upper end is provided with threaded hole, is provided in the threaded hole
Second screw rod (7), the outer cylinder (1) and the shaft (4) are fixed by the second screw rod (7).
5. the device that a kind of pair of bolt looseness according to claim 1 is monitored, it is characterised in that: the outer cylinder (1)
Outside is provided with the first magnet ring (101), and the outer cylinder (1) is fixed by the first magnet ring (101) and connector (203).
6. the device that a kind of pair of bolt looseness according to claim 1 is monitored, it is characterised in that: the inner cylinder (3)
Bottom interior wall is provided with the second magnet ring (301), and the inner cylinder (3) is fixed by the second magnet ring (301) and nut (202).
7. the device that a kind of pair of bolt looseness according to claim 2 is monitored, it is characterised in that: the bar holder
(5) bottom is provided with magnet block (502), and the bar holder (5) passes through fixed at the top of magnet block (502) and the first screw rod (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001367.5U CN208383149U (en) | 2018-06-27 | 2018-06-27 | The device that a kind of pair of bolt looseness is monitored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001367.5U CN208383149U (en) | 2018-06-27 | 2018-06-27 | The device that a kind of pair of bolt looseness is monitored |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208383149U true CN208383149U (en) | 2019-01-15 |
Family
ID=64965919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821001367.5U Expired - Fee Related CN208383149U (en) | 2018-06-27 | 2018-06-27 | The device that a kind of pair of bolt looseness is monitored |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208383149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680191A (en) * | 2018-06-27 | 2018-10-19 | 南昌大学 | A kind of device that bolt looseness is monitored |
| CN112983749A (en) * | 2019-12-13 | 2021-06-18 | 赤峰华源新力科技有限公司 | Wind turbine generator tower bolt looseness monitoring device, system and monitoring method |
-
2018
- 2018-06-27 CN CN201821001367.5U patent/CN208383149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680191A (en) * | 2018-06-27 | 2018-10-19 | 南昌大学 | A kind of device that bolt looseness is monitored |
| CN112983749A (en) * | 2019-12-13 | 2021-06-18 | 赤峰华源新力科技有限公司 | Wind turbine generator tower bolt looseness monitoring device, system and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190627 |