CN2510664Y - Alarming safety nut - Google Patents
Alarming safety nut Download PDFInfo
- Publication number
- CN2510664Y CN2510664Y CN 01268413 CN01268413U CN2510664Y CN 2510664 Y CN2510664 Y CN 2510664Y CN 01268413 CN01268413 CN 01268413 CN 01268413 U CN01268413 U CN 01268413U CN 2510664 Y CN2510664 Y CN 2510664Y
- Authority
- CN
- China
- Prior art keywords
- nut
- fastening
- model
- utility
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model is used for screw fastening which has certain requirements for fastening force and display for the force condition after fastening. The utility model can be used as the alarm safety nut for bolt supports in mine underground and tunnels. An alarm mat (2) is arranged on one side of the nut (1) close to the fixed specific object. The alarm mat (2) is provided with a groove (3). With the bend deformation of the thin gasket on two sides of the groove (3) caused by the anti force of the fixed object during the fastening and working process, the alarm function is realized in order to let users and managers know the force condition in time and prevent the occurrence of accidents. The utility model is simple in structure, convenient in use and can display the increasing trend of anti force of the fixed object after fastening.
Description
One, technical field
It is a kind of threaded fastener that the utility model relates to, and specifically a kind ofly is used for fastening force is had certain requirements, and has the warning safe nut of safety warning.The caution of the fastening and stressing conditions of anchor pole is used during as suspension roof supports such as down-hole, mine, tunnels.
Two, background technique
The various nuts of domestic fastening usefulness all do not show the structure of its working state at present, and whether the fastening of nut reaches requirement mainly by torque spanner.Therefore, to Unit Installation and the use that certain fastening requirement is arranged, very inconvenient.In addition after fastening use, if fastened working component has increase trend to the reaction force of nut, because nut can not show, after reaction force surpasses a specified value, when continuing to increase to nut and can not bear, just can destroy the fastening connection of bolt and nut, lose fastening effect, even inconceivable disaster consequence can take place, for example down-hole, mine, tunnel etc. adopt suspension roof support, when fastening anchor pole, fastening force there is certain requirement, can not be too tight, again can not be too loose, otherwise all can influence the anchoring effect of anchor pole by anchoring agent and country rock.After other utilizes anchor pole to the country rock anchoring, country rock is constantly to change to the reaction force of suspension roof support, its reaction force often has the trend of increase, when in case reaction force occurring and increasing to the fastening power that can bear of nut and anchor pole, suspension roof support is just destroyed, and the serious accident that might cave in just is not because nut has signalling device at present, the one, make troubles during to installation, two also are not easy to the working state that administrative staff grasp anchor pole.
Three, summary of the invention
In order to address the above problem, the purpose of this utility model just provides and a kind ofly can demonstrate the warning safe nut that has reached certain fastening force; After it also can demonstrate fastening work, fastened member to the reaction force of nut whether in certain safety range.
The purpose of this utility model is to realize like this, set up the caution pad of a trough of belt by a side of fastener at nut, the extruding force of utilizing the Shim of groove side when fastening, to produce, and the distortion that produces is warned, promptly lean on a side of fastened object to be provided with the caution pad at nut, caution pad and nut can be one, also can be separated into two parts.Garden at the caution pad is provided with groove on week, when using the utility model that fastened object is carried out when fastening, the utility model produces a fastening force to fastened object, same fastened object also produces a backward extrusion power to the utility model, this backward extrusion masterpiece is used on the caution pad, because the caution pad is provided with groove, on the caution pad, the both sides of groove have formed thin slice, after backward extrusion power reaches certain value, Shim is under the effect of backward extrusion power, generation is to the distortion of groove bending, be the narrowed width of groove,, just can determine whether to reach specified value according to the distortion situation, like this can be according to the Tightening moment and the material of warning pad of design, determine the thinness of groove and the Shim thickness of groove both sides, then just can be fastening with common wrench, when fastening, as long as the distortion according to groove both sides Shim just can determine whether to reach specified tightening force.
When the reaction force that is used for fastened object when the utility model has increase tendency, parallel groove more than two and two can be set on the caution pad of the present utility model, the degree of depth of the groove of close fastened object one side is greater than the groove near nut one side, when fastening when reaching specified tightening force, Shim elder generation bending deflection near fastened object, this moment is no longer fastening, the utility model just is in normal working, when fastened object has increase tendency to reaction force of the present utility model, it at first is Shim continuation bending near fastened object, until being close to two Shims between the groove, this is the user of service or the inspection personnel of announcement just, reaction force has increase tendency, when reaction force continues to increase, force two Shims between the groove also to produce bending deflection, promptly the groove near nut one side narrows down, and this moment, inspection personnel or user of service knew that just reaction force has met or exceeded a specified value, just can adopt measure, prevent the generation of accident.
Caution pad of the present utility model and nut also can be to be separated into two parts, and each is separately a part promptly to warn pad and nut, is combined together during use, can obtain effect same.
Because the utility model is set up the caution pad of trough of belt near a side of fastened object at nut, utilize caution pad material under the effect of extruding force, to be out of shape these characteristics, therefore reach the caution purpose, the utlity model has simple in structurely, easy to use, caution such as understands at characteristics.
Four, description of drawings
Fig. 1 is the utility model schematic representation;
Fig. 2 is the utility model schematic representation of double flute for the caution pad;
Fig. 3 is the utility model schematic representation that nut separates with the caution pad.
Five, the utility model specific embodiment
The utility model is to be provided with caution pad (2) at nut (1) near a side of fastened object, is provided with groove (3) on week in caution pad (2) garden.Below be several embodiment of the present utility model.
1, see Fig. 1, nut promptly of the present utility model (1) is provided with caution pad (2) near a side of fastened object, is provided with groove (3) on week in the garden of caution pad (2), present embodiment, can be used for only requiring on the clamp structure of fastening force.
2, see Fig. 2, groove (3) on the caution pad (2) is two, two grooves (2) are parallel to each other, groove (3) near fastened object one side is darker than the groove (3) of close nut () side, the reaction force that is mainly used in fastened object has on the clamp structure of increase tendency, for example, the utility model can be used for the down-hole, mine, suspension roof supports such as tunnel, the utility model carries out when fastening anchor pole, when the Shim near country rock occurs bending and deformation, groove (3) is narrowed down, just can stop fasteningly, illustrate to reach specified tightening force that the utility model and anchor pole are in running order.When country rock produces stress reaction force of the present utility model is increased gradually, make two grooves (3) on the utility model caution pad (2), the Shim between (3 ') also produce distortion, groove (3), (3 ') are narrowed down, administrative staff just are very easy to find, just can take measures to country rock, just can prevent the generation of accidents such as caving in.
3, see Fig. 3, caution pad (2) is what separate with nut, the utility model is made up of nut (1), caution pad (2) like this, during use, caution pad (2) is placed in the side of nut (1) by fastened object, as warn pad (2) when the double flute (3), caution pad (2) is gone up the dark side of groove (3) by fastened object.Its using effect is identical with preceding embodiment.
Because the utility model has been set up caution pad (2) at nut (1) near a side of fastened object, be provided with groove (3) on the caution pad (2), utilize fastened object when fastening and when work the reaction force that produces, make the Shim bending deflection of groove (3) both sides, reach the caution purpose.Therefore the utlity model has simple in structurely, easy to use, can show the reaction force increase tendency situation of fastened member after fastening force and the fastening work, personnel easy to use, administrative staff check characteristics such as working state.For tightening nut (1) has increased a kind of tightening nut with alarm function.
Claims (3)
1, a kind of warning safe nut that includes nut (1) is characterized in that, is provided with caution pad (2) at nut (1) near a side of fastened object, is provided with groove (3) on week in the garden of caution pad (2).
2, according to the said warning safe nut of claim 1, it is characterized in that can being provided with on the said caution pad (2) the parallel groove (3) more than two and two, the degree of depth of the groove (3) of close fastened object one side is greater than the groove (3 ') near nut (1).
3,, it is characterized in that said caution pad (2) and nut (1) can be to be separated into two parts according to the said warning safe nut of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268413 CN2510664Y (en) | 2001-11-10 | 2001-11-10 | Alarming safety nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268413 CN2510664Y (en) | 2001-11-10 | 2001-11-10 | Alarming safety nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510664Y true CN2510664Y (en) | 2002-09-11 |
Family
ID=33674601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01268413 Expired - Fee Related CN2510664Y (en) | 2001-11-10 | 2001-11-10 | Alarming safety nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510664Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359470A (en) * | 2011-06-23 | 2012-02-22 | 太原科技大学 | Full slit nut with limit boss for supporting anchor rod |
| CN106763079A (en) * | 2016-12-16 | 2017-05-31 | 无锡市盛源汽车配件厂 | Wheel hub fastening nut |
-
2001
- 2001-11-10 CN CN 01268413 patent/CN2510664Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359470A (en) * | 2011-06-23 | 2012-02-22 | 太原科技大学 | Full slit nut with limit boss for supporting anchor rod |
| CN106763079A (en) * | 2016-12-16 | 2017-05-31 | 无锡市盛源汽车配件厂 | Wheel hub fastening nut |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010117334A (en) | Method and instrument for measuring bolt axial force | |
| JP3154278B2 (en) | Rockfall prevention management system | |
| CN109556770A (en) | A kind of intelligence anchor bolt and the steel plate support construction with the intelligence anchor bolt | |
| CN101354300A (en) | Bolt strained detection device | |
| CN2510664Y (en) | Alarming safety nut | |
| CN113188709A (en) | Sensor type elastic gasket capable of dynamically monitoring thread coupling pretightening force | |
| US3696412A (en) | Method and means for indicating tension | |
| CN2851206Y (en) | Load weighing device of elevator | |
| CN205744788U (en) | One presses solidly nut retainer | |
| CN106768511B (en) | A kind of piezoelectricity dynamic force snesor of high overload wide range | |
| CN219015352U (en) | Punching-free sensor mounting base suitable for cylindrical pier | |
| CN209937759U (en) | Sunroof sealing strip compresses tightly frock | |
| CN210014090U (en) | Anti-seismic support structure connecting piece | |
| CN209370270U (en) | A kind of stop nut | |
| CN214893800U (en) | Reinforcing bar meter | |
| CN111272537A (en) | Load holding device for concrete corrosion test in acid environment | |
| CN112730058A (en) | Testing arrangement of dish knot formula steel pipe support load | |
| CN112411639A (en) | Intelligent anchor device-based anchor rod axial force remote monitoring system and monitoring method using same | |
| CN217352344U (en) | Weir gate device with interception function | |
| CN219736250U (en) | But green steel construction for building of intellectual detection system deformation | |
| CN218266705U (en) | Aerospace fastener with high pressure resistance | |
| CN214794201U (en) | On-spot detector of reinforcing bar for monitoring of building engineering construction quality | |
| CN215762732U (en) | High strength stainless steel fastener with locking function | |
| CN218818976U (en) | Mechanical device is fixed with stake to building site | |
| CN215767946U (en) | Bolt shear test anchor clamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |