CN201812361U - Bolt anti-loosing classification alarming device - Google Patents
Bolt anti-loosing classification alarming device Download PDFInfo
- Publication number
- CN201812361U CN201812361U CN2010205535753U CN201020553575U CN201812361U CN 201812361 U CN201812361 U CN 201812361U CN 2010205535753 U CN2010205535753 U CN 2010205535753U CN 201020553575 U CN201020553575 U CN 201020553575U CN 201812361 U CN201812361 U CN 201812361U
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- copper bar
- nylon
- arc
- nut
- screw rod
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- Expired - Fee Related
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Abstract
The utility model relates to a bolt anti-loosing classification alarming device, which is composed of a nylon screw rod, an L-shaped copper rod, a copper rod return spring, an arc brass piece, a Z-shaped fixed plate, a white warning light, a red warning light and the like, wherein a straight copper rod, the arc brass piece, a battery and the white warning light form a first-level detection loop; and the L-shaped copper rod, the arc brass piece, the battery and the red warning light form a second-level detection loop. When pretension on the bolts is loosened, a nut rotates to drive the arc brass piece to move, when the pretension loosing of the bolts reaches a first-level limit value, the arc brass piece is contacted with the straight copper rod to form a closed loop, and the white warning light transmits a signal; and when the pretension loosing of the bolts reaches a second-level limit value, the arc brass piece is contacted with the L-shaped copper rod to form a closed loop, and the red warning light transmits a signal. The bolt anti-loosing classification alarming device can realize the economic, rapid and convenient monitoring on the aspects such as the anti-loosing monitoring of the flange bolt and the basic pretension anchor bolt of the wind power generation tower.
Description
Technical field
The utility model belongs to that flange between wind power generation stepped each section tower tube connects and the crab-bolt interconnection technique field on coxopodite tower tube and basis, is specifically related to a kind of screw retention classifying alarm device.
Background technology
The wind power generation stepped single-pipe tower barrel structure that is generally, adopt flange bolt to connect between its each section tower tube, form of flanges has traditional forging formula flange and novel reverse balance flange (utility model patent ZL200620045883.9), the flange connection request rigidly connects, so bolt all need apply pretension.Coxopodite tower tube adopts the combination type prestressed crab-bolt of three-dimensional scalable (utility model patent ZL200820150667.X) to be connected with the basis, and requirement and reinforced concrete foundation rigidly connect, so crab-bolt need apply pretension.According to field investigation, because it is wind power generation stepped under long-term dynamic load function, the bolt that applies pretension in the formula of forging flange pretension can occur and relax, the lax to a certain degree loosening phenomenon of back bolt appearance that arrives of pretension, cause the wind power generation stepped destruction of collapsing, the locking monitoring of bolt is an extremely urgent task for this reason.Oppositely balance flange and the combination type prestressed crab-bolt of three-dimensional scalable can prevent the lax of bolt and crab-bolt pretension effectively after adopting the direct stretching method of bolt (utility model patent ZL200720198911.5) construction, thereby can prevent the loosening of bolt reliably, but in view of these two kinds of patents comparatively novel in current period, practical application is less relatively, so also can carry out locking monitoring to its bolt and crab-bolt.
The utility model content
The purpose of this utility model is to provide a kind of screw retention classifying alarm device, and warning is sent in the lax classification of pretension that bolt takes place to surpass the pretension loss of sense organ permission and surpass the standard limit value.
The screw retention classifying alarm device that the utility model proposes, by the first nylon screw rod 1, the second nylon screw rod 2, straight copper bar 3, " L " shape copper bar 4, copper bar stop nut 5, copper bar back-moving spring 6, arc brass spare 7, screw rod web joint 8, connect otic placode 9, set bolt 10, nylon spacer 11, nylon bolt 12, nylon nut 13, nut clamps cuff 14, flange bolt pad 15, " Z " shape fixed head 16, battery 17, lead 18, white warning lamp 19 and red warning lamp 20 are formed, wherein: straight copper bar 3, arc brass spare 7, battery 17 and white warning lamp 19 connect and compose the first order by lead 18 and detect the loop; " L " shape copper bar 4, arc brass spare 7, battery 17 and red warning lamp 20 connect and compose the second level by lead 18 and detect the loop, wherein, wherein, wear straight copper bar 3 in the middle of the first nylon screw rod 1, straight copper bar 3 adopts copper bar back-moving spring 6 to be connected with the first nylon screw rod 1, and straight copper bar 3 one end cutting threads adopt copper bar stop nut 5 fixing, the other end stretches to arc brass spare 7, and keeps certain distance not collide with arc brass spare 7; Wear " L " shape copper bar 4 in the middle of the second nylon screw rod 2, " L " shape copper bar 4 adopts copper bar back-moving spring 6 to be connected with the second nylon screw rod 2, the 4 one end cutting threads of " L " shape copper bar adopt copper bar stop nut 5 fixing, and " L " shape is held on the travel line that is positioned at after arc brass spare 7 rotates; " Z " shape fixed head 16 is one " Z " font steel plate, one end perforate, pass flanged plate 24 again after bolt 21 passed, bolt 21 overlaps Upper gasket 15 and nuts 22 afterwards, it is fixing that fastening nut 22 backs are about to " Z " shape fixed head 16, " Z " shape fixed head 16 has a projection piece at the bolt head place, can prevent that bolt 21 from rotating behind fixing " Z " shape fixed head 16.Screw rod web joint 8 adopts set bolt 10 to be connected on the other end of " Z " shape fixed head 16, there are two to connect otic placode 9 on the screw rod web joint 8, connect perforate on the otic placode 9, the first nylon screw rod 1 and the second nylon screw rod 2 adopt nylon nut 13 fixing after passing the hole that connects on the otic placode 9, fix straight copper bar 3 and " L " shape copper bar 4 then.Arc brass spare 7 adopts nylon bolt 12 and nylon nut 13 to be fixed on nut and clamps on the cuff 14, arc brass spare 7 and nut clamp 14 of cuffs and establish a nylon spacer 11 in the time of fixedly, arc brass spare 7 and nut are clamped keep insulation between the cuff 14, nut clamping cuff 14 is enclosed within on the nut 22 and is locked.
In the utility model, rotate for preventing bolt itself, one " Z " shape fixed head 16 is set at the bolt head place of flange bolt 21, " Z " shape fixed head 16 has a projection piece, can push against blower fan tower barrel barrel 23 after bolt installs.
In the utility model, straight copper bar 3, " L " shape copper bar 4 pierce into respectively in the first nylon screw rod 1 and the second nylon screw rod 2,1 grade of second nylon screw rod 2 of the first nylon screw rod adopts nylon nut 13 positioning and fixing with being connected between the otic placode 9, can make 8 of straight copper bar 3 and " L " shape copper bar 4 and screw rod web joints keep insulating.
In the utility model, arc brass spare 7 and nut clamp pad nylon spacer 11 between the cuff 14, and fixing simultaneously nylon bolt 12 and the nylon nut 13 of adopting can make arc brass spare 7 and nut clamp 14 of cuffs and keep insulation.
In the utility model, nut clamps cuff 14 banding nuts 22, can guarantee to drive when nut 22 rotates nut clamping cuff 14 and together rotate.
The beneficial effects of the utility model are:
1. adopt the duty of simple circuit loop method monitoring bolt.
2. adopt the aeration level of hierarchical detection loop monitoring bolt.
3. can monitor bolt whether pretension lax (first order) that allows above sense organ and the pretension lax (second level) that surpasses the standard limit value take place.
Each assembly material of the utility model is common, easy for installation, and part exchanging is convenient.
Description of drawings
Fig. 1 is the planimetric map of the utility model screw retention classifying alarm device.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is that the first order of the utility model screw retention classifying alarm device detects the loop structure diagram.
Fig. 4 is the B-B cut-open view of Fig. 3.
Fig. 5 is the enlarged drawing of arc brass spare.
Fig. 6 is the enlarged drawing of " Z " shape fixed head, screw rod web joint and connection otic placode.
Number in the figure: 1 is the first nylon screw rod, 2 second nylon screw rods, and 3 is straight copper bar, 4 is " L " shape copper bar, and 5 is copper bar stop nut, and 6 is copper bar back-moving spring, 7 is arc brass spare, and 8 is the screw rod web joint, and 9 for connecting otic placode, 10 is set bolt, and 11 is nylon spacer, and 12 is nylon bolt, 13 is nylon nut, 14 for nut clamps cuff, and 15 is the flange bolt pad, and 16 is " Z " shape fixed head, 17 is battery, 18 is lead, and 19 is white warning lamp, and 20 is red warning lamp, 21 is flange bolt, 22 is nut, and 23 is the blower fan tower barrel barrel, and 24 is flanged plate.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1:
Shown in Fig. 1,3, this screw retention classifying alarm device mainly comprises the first nylon screw rod 1, the second nylon screw rod 2, straight copper bar 3, " L " shape copper bar 4, copper bar stop nut 5, copper bar back-moving spring 6, arc brass spare 7, screw rod web joint 8, connects otic placode 9, set bolt 10, nylon spacer 11, nylon bolt 12, nylon nut 13, nut clamping cuff 14, flange bolt pad 15, " Z " shape fixed head 16, battery 17, lead 18, white warning lamp 19, red warning lamp 20.Wherein lead 18 connects battery 17,19, one of white warning lamps are connected in straight copper bar 3, and the other end is connected in arc brass spare 7, constitutes the first order and detects the loop; Lead 18 connects battery 17,20, one of red warning lamps are connected in " L " shape copper bar 4, and the other end is connected in arc brass spare 7, constitutes the second level and detects the loop.Straight copper bar 3 is through in the first nylon screw rod 1, adopt copper bar stop nut 5 to regulate the distance that straight copper bar 3 passes the first nylon screw rod 1, thereby regulate the distance of straight copper bar 3 and arc brass spare 7, for straight copper bar 3 is not shifted out from the first nylon screw rod 1 voluntarily, adopt copper bar back-moving spring 6 to connect the straight copper bar 3 and the first nylon screw rod 1; " L " shape copper bar 4 is through in the second nylon screw rod 2, adopt copper bar stop nut 5 to regulate the distance that " L " shape copper bar 4 passes the second nylon screw rod 2, thereby regulate the distance of the track that produces after " L " shape copper bar 4 moves with arc brass spare 7, for " L " shape copper bar 4 is not shifted out from the second nylon screw rod 2 voluntarily, adopt copper bar back-moving spring 6 to connect " L " shape copper bar 4 and the second nylon screw rod 2.Straight copper bar 3 adopts the first nylon screw rod 1 and nylon nut 13 to connect with being connected between the otic placode 9, make straight copper bar 3 and be connected between otic placode 9 and the screw rod web joint 8 maintenance to insulate; " L " shape copper bar 4 adopts the second nylon screw rod 2 and nylon nut 13 to connect with being connected between the otic placode 9, makes " L " shape copper bar 4 and is connected between otic placode 9 and the screw rod web joint 8 maintenance and insulate.Arc brass spare 7 attaching nuts clamp cuff 14 places and adopt nylon bolt 12, nylon spacer 11 and nylon nut 13, arc brass spare 7 and nut are clamped keep insulation between the cuff 14.Flange bolt 21 itself does not rotate when relaxing for assurance flange bolt 21 generation pretensions, so at " Z " at bolt head place shape fixed head 16 places one projection piece is arranged, this projection piece can push against blower fan tower barrel barrel 23 after flange bolt 21 installs.
When flange bolt 21 pretension does not take place when lax, this detection loop does not constitute the closed-loop path, and white warning lamp 19 and red warning lamp 20 do not send signal; When flange bolt 21 pretension that sense organ allows takes place to surpass when lax, arc brass spare 7 contacts with straight copper bar 3, constitute first order closed-loop path, white warning lamp 19 sends signal, relaxes when flange bolt 21 continues to take place pretension, and arc brass spare 7 is rotated further back and straight copper bar 3 disengagings at this moment, when the pretension of flange bolt 21 is lax when reaching the limit value that allows above standard, arc brass spare 7 contacts with " L " shape copper bar 4, constitutes closed-loop path, the second level, and red warning lamp 20 sends signal.
The course of work of the present utility model is as follows:
The utility model is lax and to surpass the pretension of standard limit value lax for whether monitoring flange bolt 21 pretension that sense organ allows takes place to surpass, nut 22 rotates counterclockwise when pretension takes place to relax, nut 22 rotations can drive nut clamping cuff 14 and rotate, thereby arc brass spare 7 is moved.When pretension is lax when reaching the sense organ permissible value, arc brass spare 7 contact with straight copper bar 3, and this moment is copper bar 3, arc brass spare 7, white warning lamp 19, battery 17, lead 18 formation closed-loop paths directly, so white warning lamp 19 sends signal; When pretension is lax when reaching the standard limit value, arc brass spare 7 contacts with " L " shape copper bar 4, and " L " shape copper bar 4, arc brass spare 7, red warning lamp 20, battery 17, lead 18 formation closed-loop paths at this moment are so red warning lamp 20 sends signal;
The utility model installation steps are as follows:
1. settle " Z " shape fixed head 16 backs on flanged plate 24, to penetrate flange bolt 21 at the bolt head place.
2. flange bolt 21 packs into flange bolt pad 15 after passing flanged plate 24, utilizes calibrated wrench method or direct stretching method fastening nut 22.
3. clamp cuff 14 at nut 22 cap nuts, and be locked.
4. arc brass spare 7 usefulness nylon bolts 12 and nylon nut 13 are connected on the nut clamping cuff 14, arc brass spare 7 and nut clamp pad nylon spacer 11 between the cuff 14.
5. screw rod web joint 8 is installed on " Z " shape fixed head 16, is adopted set bolt 10 to tighten.
6. the first nylon screw rod, 1 usefulness nylon nut 13 is fixed on the connection otic placode 9 on the screw rod web joint 8.
7. penetrate straight copper bar 3 in the first nylon screw rod 1, straight copper bar 3 stretches out the first nylon screw rod 1, utilizes copper bar stop nut 5 to regulate the distance that straight copper bar 3 stretches out the first nylon screw rod 1.
8. between the first nylon screw rod 1 and straight copper bar 3, copper bar back-moving spring 6 is installed.
9. the second nylon screw rod, 2 usefulness nylon nuts 13 are fixed on the connection otic placode 9 on the screw rod web joint 8.
10. penetrate " L " shape copper bar 4 in the second nylon screw rod 2, " L " shape copper bar 4 stretches out the second nylon screw rod 2, utilizes copper bar stop nut 5 to regulate the distance that " L " shape copper bar 4 stretches out the second nylon screw rod 2.
11. on straight copper bar 3, " L " shape copper bar 4 and arc brass spare 7, connect lead 18.
12. connect battery 17 on the lead 18.
13. lead 18 connects white warning lamp 19 and red warning lamp 20 respectively, constitutes the two-stage loop.
Claims (2)
1. screw retention classifying alarm device, by the first nylon screw rod (1), the second nylon screw rod (2), straight copper bar (3), " L " shape copper bar (4), copper bar stop nut (5), copper bar back-moving spring (6), arc brass spare (7), screw rod web joint (8), connect otic placode (9), set bolt (10), nylon spacer (11), nylon bolt (12), nylon nut (13), nut clamps cuff (14), flange bolt pad (15), " Z " shape fixed head (16), battery (17), lead (18), white warning lamp (19) and red warning lamp (20) are formed, and it is characterized in that: straight copper bar (3), arc brass spare (7), battery (17) and white warning lamp (19) connect and compose the first order by lead (18) and detect the loop; " L " shape copper bar (4), arc brass spare (7), battery (17) and red warning lamp (20) connect and compose the second level by lead (18) and detect the loop; Wherein, wear straight copper bar (3) in the middle of the first nylon screw rod (1), straight copper bar (3) adopts copper bar back-moving spring (6) to be connected with the first nylon screw rod (1), straight copper bar (3) one end cutting threads, adopt copper bar stop nut (5) fixing, the other end stretches to arc brass spare (7), and keeps certain distance not collide with arc brass spare (7); Wear " L " shape copper bar (4) in the middle of the second nylon screw rod (2), " L " shape copper bar (4) adopts copper bar back-moving spring (6) to be connected with the second nylon screw rod (2), (4) the one end cutting threads of " L " shape copper bar, adopt copper bar stop nut (5) fixing, " L " shape is held on the travel line that is positioned at after arc brass spare (7) rotates; " Z " shape fixed head (16) is one " Z " font steel plate, one end perforate, pass flanged plate (24) again after flange bolt (21) passed, flange bolt (21) cover Upper gasket (15) and nut (22) afterwards, it is fixing that fastening nut (22) back is about to " Z " shape fixed head (16); Screw rod web joint (8) adopts set bolt (10) to be connected on the other end of " Z " shape fixed head (16), there are two to connect otic placode (9) on the screw rod web joint (8), connect otic placode (9) and go up perforate, the first nylon screw rod (1) and the second nylon screw rod (2) adopt nylon nut (13) fixing after passing the hole that connects on the otic placode (9), fix straight copper bar (3) and " L " shape copper bar (4) then; Arc brass spare (7) adopts nylon bolt (12) and nylon nut (13) to be fixed on nut and clamps on the cuff (14), arc brass spare (7) and nut clamp between cuff (14) and establish a nylon spacer (11) in the time of fixedly, arc brass spare (7) and nut being clamped keep between the cuff (14) insulation, nut to clamp cuff (14) is enclosed within nut (22) and goes up and be locked.
2. a kind of screw retention classifying alarm device according to claim 1, it is characterized in that fixing one " Z " shape fixed head (16) at the bolt head place of flange bolt (21), " Z " shape fixed head (16) has a projection piece, prevents that flange bolt (21) from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205535753U CN201812361U (en) | 2010-10-09 | 2010-10-09 | Bolt anti-loosing classification alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205535753U CN201812361U (en) | 2010-10-09 | 2010-10-09 | Bolt anti-loosing classification alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812361U true CN201812361U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205535753U Expired - Fee Related CN201812361U (en) | 2010-10-09 | 2010-10-09 | Bolt anti-loosing classification alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812361U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840971A (en) * | 2012-08-29 | 2012-12-26 | 江苏法尔胜泓昇集团有限公司 | Looseness detecting device of bolt and nut fastening piece |
| CN104142229A (en) * | 2013-05-10 | 2014-11-12 | 中科风电(北京)有限公司 | Online wind turbine generator system flange bolt monitoring and failure diagnosis system |
| CN108303240A (en) * | 2017-12-20 | 2018-07-20 | 华东交通大学 | A kind of bolt looseness detection of rail joint union piece and warning device |
| EP3467303A1 (en) * | 2017-09-20 | 2019-04-10 | Senvion GmbH | Method and system for monitoring a flange connection of a wind energy plant |
| CN110068665A (en) * | 2019-04-22 | 2019-07-30 | 云南电力技术有限责任公司 | The detection device and method of a kind of wind-driven generator, bolt defect |
| CN110304106A (en) * | 2019-06-21 | 2019-10-08 | 中国铁建重工集团股份有限公司 | Detection method, the detection system and detection device of bolt state of bolt state |
| DE202020105477U1 (en) | 2020-09-24 | 2022-01-07 | Weidmüller Interface GmbH & Co. KG | Monitoring attachment for monitoring a nut of a screw connection |
| TWI826551B (en) * | 2018-10-16 | 2023-12-21 | 日商華爾卡股份有限公司 | Determination system, determination program, determination method and learning system for sealing construction |
-
2010
- 2010-10-09 CN CN2010205535753U patent/CN201812361U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840971A (en) * | 2012-08-29 | 2012-12-26 | 江苏法尔胜泓昇集团有限公司 | Looseness detecting device of bolt and nut fastening piece |
| CN102840971B (en) * | 2012-08-29 | 2014-10-29 | 江苏法尔胜泓昇集团有限公司 | Looseness detecting device of bolt and nut fastening piece |
| CN104142229A (en) * | 2013-05-10 | 2014-11-12 | 中科风电(北京)有限公司 | Online wind turbine generator system flange bolt monitoring and failure diagnosis system |
| EP3467303A1 (en) * | 2017-09-20 | 2019-04-10 | Senvion GmbH | Method and system for monitoring a flange connection of a wind energy plant |
| US10774816B2 (en) | 2017-09-20 | 2020-09-15 | Senvion Gmbh | System and method for monitoring a flange connection of a wind turbine |
| CN108303240A (en) * | 2017-12-20 | 2018-07-20 | 华东交通大学 | A kind of bolt looseness detection of rail joint union piece and warning device |
| CN108303240B (en) * | 2017-12-20 | 2019-11-15 | 华东交通大学 | A kind of bolt looseness detection of rail joint union piece and warning device |
| TWI826551B (en) * | 2018-10-16 | 2023-12-21 | 日商華爾卡股份有限公司 | Determination system, determination program, determination method and learning system for sealing construction |
| CN110068665A (en) * | 2019-04-22 | 2019-07-30 | 云南电力技术有限责任公司 | The detection device and method of a kind of wind-driven generator, bolt defect |
| CN110304106A (en) * | 2019-06-21 | 2019-10-08 | 中国铁建重工集团股份有限公司 | Detection method, the detection system and detection device of bolt state of bolt state |
| DE202020105477U1 (en) | 2020-09-24 | 2022-01-07 | Weidmüller Interface GmbH & Co. KG | Monitoring attachment for monitoring a nut of a screw connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20110427 Termination date: 20171009 |