CN202092662U - Device for detecting internal and external sheet of chain - Google Patents
Device for detecting internal and external sheet of chain Download PDFInfo
- Publication number
- CN202092662U CN202092662U CN 201120222867 CN201120222867U CN202092662U CN 202092662 U CN202092662 U CN 202092662U CN 201120222867 CN201120222867 CN 201120222867 CN 201120222867 U CN201120222867 U CN 201120222867U CN 202092662 U CN202092662 U CN 202092662U
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- chain
- outer plate
- lever
- unit
- plate pick
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Abstract
The utility model discloses a device for detecting an internal sheets and an external sheet of a chain. The device comprises a pedestal and a lever, wherein a fulcrum of the lever is arranged on the pedestal, one end of the lever is provided with a detecting chain wheel, the detecting chain wheel is provided with a plurality of protruding teeth used for contacting with an internal/external sheet of a to-be-detected chain, the other end of the lever is provided with a displacement induction device, and distance between the displacement induction device and the fulcrum is larger than the distance between the detecting chain wheel and the fulcrum. The device can sensitively and accurately detect defects of the internal sheet and the external sheet of the chain, substantially improves detecting work efficiency, reduces cost of production detection and effectively guarantees quality of products.
Description
Technical field
The utility model relates to the chain detection technique, is specifically related to outer plate pick-up unit in a kind of chain.
Background technology
Chain is a kind ofly to form the multi-purpose machinery basic part of flexible system by rigid member, is mainly used in functional requirements such as satisfying transmission, conveying, towing.Wherein, roller chain is a kind of use chain type very widely, and it mainly is made up of outer plate (outer link), interior sheet (inner link), roller, sleeve and bearing pin.Because the roller chain size of component is little, kind is many, assembling is complicated, so situation of easy generating device disappearance in the production of roller chain, the interior outer plate incompleteness that particularly occurs in the chain or the situation of disappearance, if can not handle the chain of outer plate in incomplete or the disappearance in time, then the serviceability of this chain will be affected, even causes potential safety hazard.
At present, major part chain manufacturing enterprise, detection to chain elements assembling back part disappearance problem, also rest on the level of manual detection, just rely on testing staff's experience, judge the whether qualified of chain, need the testing staff to be in the duty that ideological plane is concentrated for a long time like this by outward appearance observation and feel, be easy to generate fatigue, thereby produce the omission accident.Therefore, the working strength of visible this manual detection is big, efficient is low, weak effect, cost height, does not more and more satisfy the requirement of large-scale production.Though occurred some chain detection apparatus on the market, it can partly replace manual detection work, and the chain detection apparatus accuracy of detection of prior art is low, also is prone to the omission accident.
The utility model content
The purpose of this utility model provides outer plate pick-up unit in the high chain of a kind of accuracy of detection.
For achieving the above object, the utility model adopts following technical scheme:
Outer plate pick-up unit in a kind of chain comprises pedestal and lever, wherein:
The fulcrum of described lever is arranged on the described pedestal;
One end of described lever is provided with the detection sprocket wheel, has a plurality of contacted double wedges of inside/outside sheet that are used for chain to be detected on the described detection sprocket wheel;
The other end of described lever is provided with the displacement induction installation, and the distance of the described fulcrum of described displacement induction installation distance is greater than the distance of the described fulcrum of described detection chain wheelspan.
Further, also be provided with the flexible member that described detection sprocket wheel and chain to be detected are closely contacted on the described lever.
Further, the structure radian of the inside/outside sheet of the shape of described double wedge and chain to be detected matches.
Further, distance between the adjacent inside and outside cambered surface lowest part equates on the distance between adjacent two double wedges and the chain to be detected.
Further, described fulcrum is arranged on the described pedestal by rotary sleeve.
Further, described displacement induction installation comprises and is subjected to sensing element and photoelectric sensor, and the described sensing element that is subjected to is arranged on the described lever, and described photoelectric sensor is arranged on described and is subjected on the corresponding position of sensing element.
Further, the described sensing element that is subjected to is a screw.
Further, described screw is " T " font, and the lower end of described " T " font is connected with described lever.
Further, the outer plate pick-up unit also comprises the motor of PLC controller and conveying chain to be detected in the described chain, wherein:
The signal output part of described photoelectric sensor is connected to described PLC controller, and the control end of described PLC controller is connected to described motor.
Further, be connected with alarm on the described PLC controller.
Further, also can be connected with the control device of band display screen on the described PLC controller.
Outer plate pick-up unit in the chain that the utility model provides, contact with the outer plate or the interior sheet of chain to be detected by the double wedge that detects on the sprocket wheel, when the situation of incomplete or disappearance appears in the interior sheet of chain to be detected or outer plate, the displacement that can deflect to the moving direction of chain to be measured at once of this double wedge, the small action of this displacement is owing to the effect of lever is exaggerated, thereby cause that bigger displacement takes place the lever other end, at this moment, this bigger displacement action can be detected by the displacement induction installation immediately, and shows the testing result of the interior sheet or outer plate defective or the deletion condition that show tested chain.Thus, in the chain of the present utility model the outer plate pick-up unit can be sensitive and accurately detect in the chain in the defective or the disappearance of outer plate, improved the work efficiency that detects significantly, reduced the cost of production testing, guaranteed effectively to produce the quality of product, thereby greatly satisfied the requirement of large-scale production.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Fig. 2 is detection sprocket wheel and the contacted structural representation of chain to be measured among the embodiment of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the utility model provides outer plate pick-up unit 1 in a kind of chain, comprises pedestal and lever 13, wherein:
The fulcrum of lever 13 is arranged on the pedestal;
One end of lever 13 is provided with and detects sprocket wheel 11, detects to have a plurality of inside/ outside sheet 22,21 contacted double wedges 111 that are used for chain 2 to be detected on the sprocket wheel 11;
The other end of lever 13 is provided with displacement induction installation 3, displacement induction installation 3 apart from the distance of fulcrum greater than detecting the distance of sprocket wheel 11 apart from fulcrum.
At first, place outer plate pick-up unit in the chain of the present utility model rightly, the detection sprocket wheel is rotated with moving of chain.The utility model is by being arranged on the inside/outside sheet 22 of the double wedge 111 that detects on the sprocket wheel and chain 2 to be detected, 21 contact, detecting sprocket wheel 11 can rotate with moving of chain to be detected, when the situation of incomplete or disappearance appears in the interior sheet 22 on the chain 2 to be detected or outer plate 21, the direction that this double wedge 111 can move to the chain 2 to be measured at once displacement that deflects, this displacement is exaggerated by the effect of lever 13, thereby the displacement induction installation 3 that is set at lever 13 other ends detects, the displacement situation of the lever 13 that detects by displacement induction installation 3 can be sensitive, learn interior sheet 22 or outer plate 21 incompleteness or the deletion condition of detected chain 2 exactly.Thus, in the chain of the present utility model outer plate pick-up unit 1 can be sensitive and accurately detect in the chain in the defective or the disappearance of outer plate, improved the work efficiency that detects significantly, reduced the cost of production testing, guaranteed effectively to produce the quality of product, thereby greatly satisfied the requirement of large-scale production.
Also be provided with the flexible member that detection sprocket wheel and chain to be detected are closely contacted on the above-mentioned lever 13.By the effect of flexible member, not very appropriate even place the position of outer plate pick-up unit in the chain of the present utility model, detect sprocket wheel and also can contact, thereby the detection sprocket wheel is rotated with moving of chain with detected chain is fine.
As shown in Figures 2 and 3, in a preferred embodiment of the present utility model, in order to make double wedge 111 contact tightr with chain to be detected, thereby make the interaction force between double wedge 111 and the chain to be detected bigger more stable, the structure radian of the inside/outside sheet of the shape of double wedge 111 and chain to be detected matches.Can improve the sensitivity of detection so more, thereby improve the accuracy that detects.
On distance between above-mentioned adjacent two double wedges 111 and the chain 2 to be detected adjacent in 22, the distance between the cambered surface lowest part (A, B) of outer plate 21 equates.So, when detection sprocket wheel 11 rotates with moving of detected chain 2, can alternately detect sheet and outer plate in each on the detected chain continuously.Thereby further improved the accuracy of detection of outer plate pick-up unit in the utility model chain.
In another preferred embodiment of the present utility model, for reaching detection efficiency preferably, the quantity of double wedge 111 is preferably 10.Certainly according to the type and size of detected chain, the quantity of double wedge and big I correspondingly design.
More stable for the fulcrum that makes lever, in an embodiment of the present utility model, above-mentioned fulcrum can be arranged on the pedestal by rotary sleeve 12.Certainly, the fulcrum of lever also can be arranged on and can make on its other stable support portions.
According to utility model thought of the present utility model, for the displacement action that makes lever will detect the double wedge on the sprocket wheel amplifies, the fulcrum of lever can be arranged on and make the displacement induction installation on the optional position of distance greater than the distance that detects this fulcrum of chain wheelspan of this fulcrum on the lever.In an embodiment of the present utility model, the fulcrum of lever is positioned at the middle part of lever, and the distance between displacement induction installation and fulcrum is greater than the distance between detection head and fulcrum.
Obviously, in the utility model, in order to amplify the yaw displacement that above-mentioned double wedge 111 takes place better, and the occupation of land space that dwindles the utility model pick-up unit 1, lever 13 can be preferably crooked lever.
As preferably, above-mentioned displacement induction installation 3 comprises and is subjected to sensing element 31 and photoelectric sensor 32, be arranged on the lever 13 by sensing element 31, and photoelectric sensor 32 is arranged on and is subjected on the sensing element 31 corresponding positions.Here, it is corresponding being subjected to the sensing element 31 and the position setting of photoelectric sensor 32, as long as being meant, above-mentioned corresponding position can make the moving displacement that is subjected to sensing element change any position that had an effect by sensing element and photoelectric sensor that makes that is detected (no matter be to be subjected to sensing element in the working range of photoelectric sensor, to be subjected to displacement variation, still ought be subjected to sensing element to enter or shift out the working range of photoelectric sensor) by photoelectric sensor.In an embodiment of the present utility model, photoelectric sensor can be arranged on pedestal be subjected on the corresponding position of sensing element.
In a preferred embodiment of the present utility model, the above-mentioned sensing element 31 that is subjected to can be screw.
Above-mentioned screw is the T font, and the lower end of T font is connected with lever.Screw can be with the moving of lever like this, and because the setting of photoelectric sensor and screw is corresponding, photoelectric sensor can be measured the situation that screw is subjected to displacement, thereby according to the displacement situation acquisition testing result of screw.The screw of T font can make the sensitive surface of photoelectric sensor induction screw displacement bigger.
Except that adopting photoelectric sensor and detected the change in displacement by sensing element, the displacement induction installation can also be various displacement transducers, as inductive displacement transducer, capacitive displacement transducer, optical displacement sensor, Mageneto-sensitive type sensor etc.
One skilled in the art will appreciate that displacement induction installation in the utility model except adopting the above-mentioned implementation that is subjected to sensing element and photoelectric sensor, other modes that can also adopt those skilled in the art to expect easily repeat no more herein.
In another preferred embodiment of the present utility model, outer plate pick-up unit 1 also can comprise the motor of PLC controller and conveying chain to be detected in the chain, wherein:
The signal output part of photoelectric sensor is connected to the PLC controller, and the control end of PLC controller is connected to motor.
Chain to be detected like this can move in the drive of motor, and the PLC controller can receive the signal of photoelectric sensor according to the displacement output that is subjected to sensing element, when receiving the signal of photoelectric sensor output, the PLC controller sends the above-mentioned motor of signal controlling again and quits work.
As preferably, be connected with alarm on the PLC controller.Alarm can in time notify the staff that detected problem is handled.
For more convenient, adapt to and robotization control, as preferably, also can be connected with the control device of band display screen on the PLC controller.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; If do not break away from spirit and scope of the present utility model, the utility model is made amendment or is equal to replacement, all should be encompassed in the middle of the protection domain of the utility model claim.
Claims (10)
1. the interior outer plate pick-up unit of chain is characterized in that, comprises pedestal and lever, wherein:
The fulcrum of described lever is arranged on the described pedestal;
One end of described lever is provided with the detection sprocket wheel, has a plurality of contacted double wedges of inside/outside sheet that are used for chain to be detected on the described detection sprocket wheel;
The other end of described lever is provided with the displacement induction installation, and the distance of the described fulcrum of described displacement induction installation distance is greater than the distance of the described fulcrum of described detection chain wheelspan.
2. outer plate pick-up unit in the chain according to claim 1 is characterized in that, also is provided with the flexible member that described detection sprocket wheel and chain to be detected are closely contacted on the described lever.
3. outer plate pick-up unit in the chain according to claim 1 is characterized in that the structure radian of the inside/outside sheet of the shape of described double wedge and chain to be detected matches.
4. according to outer plate pick-up unit in each described chain among the claim 1-3, it is characterized in that the distance on the distance between adjacent two double wedges and the chain to be detected between the adjacent inside and outside cambered surface lowest part equates.
5. outer plate pick-up unit in the chain according to claim 1 is characterized in that described fulcrum is arranged on the described pedestal by rotary sleeve.
6. according to outer plate pick-up unit in each described chain among the claim 1-3, it is characterized in that, described displacement induction installation comprises and is subjected to sensing element and photoelectric sensor, the described sensing element that is subjected to is arranged on the described lever, and described photoelectric sensor is arranged on described and is subjected on the corresponding position of sensing element.
7. outer plate pick-up unit in the chain according to claim 6 is characterized in that the described sensing element that is subjected to is a screw.
8. outer plate pick-up unit in the chain according to claim 7 is characterized in that described screw is " T " font, and the lower end of described " T " font is connected with described lever.
9. outer plate pick-up unit in the chain according to claim 1 is characterized in that, the outer plate pick-up unit also comprises the motor of PLC controller and conveying chain to be detected in the described chain, wherein:
The signal output part of described photoelectric sensor is connected to described PLC controller, and the control end of described PLC controller is connected to described motor.
10. outer plate pick-up unit in the chain according to claim 9 is characterized in that, is connected with alarm on the described PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120222867 CN202092662U (en) | 2011-06-28 | 2011-06-28 | Device for detecting internal and external sheet of chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120222867 CN202092662U (en) | 2011-06-28 | 2011-06-28 | Device for detecting internal and external sheet of chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092662U true CN202092662U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120222867 Expired - Fee Related CN202092662U (en) | 2011-06-28 | 2011-06-28 | Device for detecting internal and external sheet of chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707329A (en) * | 2011-06-28 | 2012-10-03 | 太仓椿盟链传动有限公司 | Device for detecting internal sheet and external sheet of chain |
-
2011
- 2011-06-28 CN CN 201120222867 patent/CN202092662U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707329A (en) * | 2011-06-28 | 2012-10-03 | 太仓椿盟链传动有限公司 | Device for detecting internal sheet and external sheet of chain |
| CN102707329B (en) * | 2011-06-28 | 2017-03-15 | 太仓椿盟链传动有限公司 | Outer plate detection means in a kind of chain |
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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 |
Granted publication date: 20111228 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |