CN103076127A - Pin roll detection device and engineering machine provided with same - Google Patents
Pin roll detection device and engineering machine provided with same Download PDFInfo
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- CN103076127A CN103076127A CN2012105844430A CN201210584443A CN103076127A CN 103076127 A CN103076127 A CN 103076127A CN 2012105844430 A CN2012105844430 A CN 2012105844430A CN 201210584443 A CN201210584443 A CN 201210584443A CN 103076127 A CN103076127 A CN 103076127A
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- bearing pin
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Abstract
The invention provides a pin roll detection device used for detecting the stress of a pulley pin roll. The pin roll detection device comprises a bracket, a pulley, a pin roll sensor and a locating component, wherein the pulley is rotatably connected with the pin roll sensor; two ends of the pin roll sensor are rotatably connected with the bracket; the locating component is provided with a first connecting end, a second connecting end, and a third connecting end; the second connecting end and the third connecting end are connected with the first connecting end; the second connecting end is provided with a first spacing hole; the third connecting end is respectively provided with a second spacing hole; the first connecting end and the end part of the pin roll sensor are fixed; the first spacing hole and the second spacing hole are positioned on a same plane with the sliding chute of the pulley; and the first spacing hole and the second spacing hole are symmetrically arranged on two sides of the stress central line of the pulley. The pin roll detection device can be used for accurately detecting the stress of the pulley pin roll. In addition, the invention further provides an engineering machine provided with the pin roll detection device.
Description
Technical field
The present invention relates to the mechanics detection technique, be specifically related to a kind of for detection of the stressed bearing pin pick-up unit of pulley pin shaft; In addition, the invention still further relates to the engineering machinery with this bearing pin pick-up unit.
Background technology
At present, the bearing pin sensor weigh, overload protection, the technical field such as anti-tipping use generally, it gives the solution of Related Technical Issues, provides convenience.
Usually, the bearing pin sensor comprises elasticity bearing pin and senser element, and elasticity bearing pin boring also forms chamber, as required senser element is arranged on the relevant position in the chamber.In use, the bearing pin of bearing pin sensor directly is arranged on the detected position, substitutes the function of original parts; Be applied as example with the bearing pin sensor in pulley, as shown in Figure 1, pulley 21 rotatably is arranged at by rolling bearing 22 on the bearing pin of bearing pin sensor 23, and the two ends of bearing pin are fixed on the frame 25 by clamp 24 respectively.When pulley was stressed, bearing pin can produce distortion, was located at the foil gauge (perhaps other sensing elements) of bearing pin internal chamber according to the distortion generation feedback signal of bearing pin, and operating personnel obtain the stressing conditions of bearing pin according to feedback signal.Because being set directly in the bearing pin sensor on the detected position, very easy to use, its use is also more and more extensive.
When bearing pin sensor 23 was installed on the pulley, what usually can calculate first bearing pin was subjected to force direction (direction shown in F among Fig. 2), then sets sensing element according to the above-mentioned force direction that is subjected in the bearing pin internal chamber.Therefore, bearing pin sensor 23 has suitable precision usually when detecting the above-mentioned power F that is subjected to force direction.Yet, in actual use, bearing pin be subjected to force direction be not stablize constant, when bearing pin is changed by force direction (shown in F1 among Fig. 2), the accuracy of detection of bearing pin sensor obviously reduces, even testing result occurs without the situation of engineering use value.
Therefore, how can accurately detect the stressing conditions of pulley pin shaft, be still the technical matters that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the present invention proposes a kind of bearing pin pick-up unit, utilizes this bearing pin pick-up unit can accurately detect the stressing conditions of pulley pin shaft.In addition, the present invention also proposes a kind of engineering machinery with this bearing pin pick-up unit.
On the one hand, the invention provides a kind of bearing pin pick-up unit, stressed for detection of pulley pin shaft comprises support, pulley, bearing pin sensor and positioning element; Described pulley and bearing pin sensor are rotatably connected, and two ends and the bracket-rotatable of described bearing pin sensor are dynamically connected; Described positioning element is provided with the first link, the second link and the 3rd link, and the second link, the 3rd link all are connected with the first link; Described the second link is provided with the first spacing hole, and the 3rd link is respectively equipped with the second spacing hole; The end of described the first link and bearing pin sensor is fixed; The chute of described the first spacing hole, the second spacing hole and pulley is in the same plane, and the first spacing hole and the second spacing hole are symmetrically set in the both sides of pulley center of effort line.
Further, the central axis of described the first spacing hole and the second spacing hole is parallel to each other.
Further, be connected by first connecting rod between the second link and the 3rd link; The first link is connected in the centre of first connecting rod by the second connecting link, and first connecting rod is vertical with second connecting rod arranges.
Further, described support is provided with limiting component, is used for limiting described positioning element with respect to the slewing area of support.
Further, described the first spacing hole equates with the internal diameter of pulley with distance between the second spacing hole.
Further, described bearing pin sensor is dynamically connected by sliding bearing and described bracket-rotatable.
The bearing pin pick-up unit that the present invention proposes so that the force direction that is subjected to of bearing pin sensor keeps constant, thereby guarantees that the bearing pin sensor can accurately detect the stressed of pulley pin shaft by positioning element being set and bearing pin sensor and bracket-rotatable being dynamically connected.During this bearing pin pick-up unit work, rope (perhaps drag-line) passes chute and second spacing hole of the first spacing hole, pulley successively, at this moment, the rope stretching point of bearing pin sensor, pulley and enter angular relationship between the rope point three parts that are positioned and limit, when rope stretching point or when entering the rope point and changing, positioning element can rotate by the drive pin axle sensor synchronously, and then it is constant to guarantee that drag-line passes to the direction of power of bearing pin sensor, thereby can guarantee that the bearing pin sensor can accurately detect the stressed of pulley pin shaft.
On the other hand, the present invention also proposes a kind of engineering machinery, comprises engineering machinery body, hoisting mechanism and above-mentioned bearing pin pick-up unit; The drag-line of described hoisting mechanism passes chute and second spacing hole of described the first spacing hole, pulley successively; Described support is fixedly connected with the engineering machinery body.
By above-mentioned bearing pin pick-up unit is set, the pulley pin shaft that this project machinery obtains be subjected to force information more accurate, more reliable, this can for engineering machinery safely, stably construction provides support.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation that is provided with the pulley of bearing pin sensor in the correlation technique;
Fig. 2 is that the bearing pin sensor detects the synoptic diagram of bearing pin when stressed;
Fig. 3 is the structural representation of bearing pin pick-up unit under application scenarios of the specific embodiment of the invention;
Fig. 4 is the cut-open view of A-A direction among Fig. 3;
Fig. 5 is the synoptic diagram of bearing pin pick-up unit under the first state of the specific embodiment of the invention;
Fig. 6 is the synoptic diagram of bearing pin pick-up unit under the second state of the specific embodiment of the invention.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.Be elaborated below in conjunction with 3 to 6 pairs of specific embodiments of the invention of accompanying drawing.
Be accurately to detect the stressed of pulley pin shaft, the specific embodiment of the invention proposes a kind of bearing pin pick-up unit, stressed for detection of pulley 2 bearing pins, and this bearing pin pick-up unit comprises support 1, pulley 2, bearing pin sensor 11 and positioning element 3; Pulley 2 is rotatably connected with bearing pin sensor 11, and the two ends of bearing pin sensor 11 and support 1 are rotatably connected; Positioning element 3 is provided with the first link 5, the second link 6 and the 3rd link 7, the second links 6, the 3rd link 7 and all is connected with the first link 5; The second link 6 is provided with the first spacing hole 8, the three links 7 and is respectively equipped with the second spacing hole 9; The first link 5 is fixed with the end of bearing pin sensor 11; The first spacing hole 8, the second spacing hole 9 are in the same plane with the chute of pulley 2, and the first spacing hole 8 and the second spacing hole 9 are symmetrically set in the both sides of the pulley 2 line L1 of center of effort.
This bearing pin pick-up unit so that the force direction that is subjected to of bearing pin sensor 11 keeps constant, thereby guarantees that bearing pin sensor 11 can accurately detect the stressed of pulley 2 bearing pins by positioning element 3 being set and bearing pin sensor 11 and support 1 being rotatably connected.During this bearing pin pick-up unit work, rope (perhaps drag-line) 10 passes chute and second spacing hole 9 of the first spacing hole 8, pulley 2 successively; When the direction of rope 10 changed, rope 10 ordered about bearing pin sensor 11 by positioning element 3 and keeps rotating synchronously with rope 10, and then the direction that makes rope 10 be passed to the power on the bearing pin sensor remains unchanged; As shown in Figure 5 and Figure 6, Fig. 6 is that rope among Fig. 5 obtains after with respect to support deflection certain angle, because bearing pin sensor 11 and rope 10 have kept synchronous rotation, power F among Fig. 6 is consistent with respect to looking among the direction of bearing pin sensor 11 and Fig. 5, and be subjected in the force direction situation for a change, the testing result of normal condition lower bearing pin sensor 11 should be reliable.Therefore, this bearing pin pick-up unit can accurately detect the stressed of pulley pin shaft.
In technique scheme, the form that the first spacing hole 8 and the second spacing hole 9 can be arranged to be parallel to each other the i.e. central axis of the first spacing hole 8 and the second spacing hole 9 is parallel to each other, and the first spacing hole 8 is equated with the inside diameter D of pulley 2 with distance L between the second spacing hole 9.Like this, rope 10 passes behind spacing hole 8 and the second spacing hole 9 half that length on the pulley 2 are about pulley 2 whole arc length, thereby guarantees that pulley 2 is tightr with cooperating of rope 10.
In technique scheme, be connected by first connecting rod 13 between the second link 6 and the 3rd link 7; The first link 5 is connected in the centre of first connecting rod 13 and first connecting rod 13 and second connecting rod 14 vertical settings by second connecting rod 14.By first connecting rod 13 and second connecting rod 14 are set, the second connecting rod 14 vertical centers that connect first connecting rod 13 are so that the power transmission better effects if of positioning element 3.
In technique scheme, support 1 is provided with limiting component 4, is used for restriction positioning element 3 with respect to the slewing area of support 1; The occurrence of the limited field of 4 pairs of positioning elements 3 of limiting component can be determined according to concrete application scenario.By limiting component 4 is set, can avoid rope 10 and slewing area excessive.In addition, after the long-time use of this bearing pin pick-up unit, in the situation of the first spacing hole 8 and 9 wearing and tearing of the second spacing hole, gap between rope 10 and the first spacing hole 8 and the second spacing hole 9 can be more and more large, finally can make bearing pin sensor 11 not exclusively synchronous with the rotation of rope 10, thereby have influence on the accuracy in detection of bearing pin sensor 11; By limiting component 4 is set, can periodically proofread and correct the bearing pin pick-up unit, concrete trimming process is: positioning element 3 is turned to one of extreme position that limiting component 4 determines, then, adjust the position of rope 10 in the first spacing hole 8 and the second spacing hole 9 and get final product.
In addition, bearing pin sensor 11 can be rotatably connected by sliding bearing 12 and support 1, can effectively reduce like this friction between bearing pin sensor 11 and the support 1.
On the other hand, the specific embodiment of the invention also proposes a kind of engineering machinery, comprises engineering machinery body, hoisting mechanism and above-mentioned bearing pin pick-up unit; The drag-line 10 of hoisting mechanism passes chute and second spacing hole 9 of the first spacing hole 8, pulley 2 successively; Support 1 is fixedly connected with the engineering machinery body.By above-mentioned bearing pin pick-up unit is set, the pulley pin shaft that this project machinery obtains be subjected to force information more accurate, more reliable, this can for engineering machinery safely, stably construction provides support.
This project machinery is specifically as follows hoisting machinery.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. bearing pin pick-up unit, stressed for detection of pulley (2) bearing pin is characterized in that, comprises support (1), pulley (2), bearing pin sensor (11) and positioning element (3); Described pulley (2) is rotatably connected with bearing pin sensor (11), and the two ends of described bearing pin sensor (11) and support (1) are rotatably connected; Described positioning element (3) is provided with the first link (5), the second link (6) and the 3rd link (7), and the second link (6), the 3rd link (7) all are connected with the first link (5); Described the second link (6) is provided with the first spacing hole (8), and the 3rd link (7) is respectively equipped with the second spacing hole (9); Described the first link (5) is fixed with the end of bearing pin sensor (11); Described the first spacing hole (8), the second spacing hole (9) are in the same plane with the chute of described pulley (2), and the first spacing hole (8) and the second spacing hole (9) are symmetrically set in the both sides of pulley (2) center of effort's line (L1).
2. bearing pin pick-up unit according to claim 1 is characterized in that, described the first spacing hole (8) is parallel to each other with the central axis of the second spacing hole (9).
3. bearing pin pick-up unit according to claim 1 is characterized in that, is connected by first connecting rod (13) between the second link (6) and the 3rd link (7); The first link (5) is connected in the centre of first connecting rod (13) and first connecting rod (13) and the vertical setting of second connecting rod (14) by second connecting rod (14).
4. bearing pin pick-up unit according to claim 1 is characterized in that, described support (1) is provided with limiting component (4), is used for limiting described positioning element (3) with respect to the slewing area of support (1).
5. bearing pin pick-up unit according to claim 2 is characterized in that, described the first spacing hole (8) equates with the internal diameter (D) of pulley (2) with distance (L) between the second spacing hole (9).
6. according to claim 1 to 5 each described bearing pin pick-up units, it is characterized in that described bearing pin sensor (11) is rotatably connected by sliding bearing (12) and described support (1).
7. an engineering machinery comprises engineering machinery body and hoisting mechanism, it is characterized in that, also comprises each described bearing pin pick-up unit of claim 1 to 6; The drag-line of described hoisting mechanism (10) passes chute and second spacing hole (9) of described the first spacing hole (8), pulley (2) successively; Described support (1) is fixedly connected with the engineering machinery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210584443.0A CN103076127B (en) | 2012-12-28 | 2012-12-28 | Pin roll detection device and engineering machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210584443.0A CN103076127B (en) | 2012-12-28 | 2012-12-28 | Pin roll detection device and engineering machine provided with same |
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| Publication Number | Publication Date |
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| CN103076127A true CN103076127A (en) | 2013-05-01 |
| CN103076127B CN103076127B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210584443.0A Expired - Fee Related CN103076127B (en) | 2012-12-28 | 2012-12-28 | Pin roll detection device and engineering machine provided with same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674380A (en) * | 2013-12-04 | 2014-03-26 | 国家电网公司 | Hinge pin tensile test device |
| CN105157901A (en) * | 2015-09-06 | 2015-12-16 | 中国石油大学(北京) | Variable-diameter automatic detection device of internal screw thread of drilling tool |
| CN105460788A (en) * | 2016-01-18 | 2016-04-06 | 中船第九设计研究院工程有限公司 | Pulley weighing device |
| CN107091708A (en) * | 2017-04-27 | 2017-08-25 | 武汉船用机械有限责任公司 | A kind of chock that function is detected with tension force |
| CN108844666A (en) * | 2018-05-14 | 2018-11-20 | 南京农业大学 | A kind of tractor suspension device for measuring force |
Citations (7)
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| EP0611959A2 (en) * | 1993-02-15 | 1994-08-24 | Japan Electronics Industry, Ltd. | Electrical circuit for a wheel-acting force measuring device |
| US5723792A (en) * | 1994-09-14 | 1998-03-03 | Japan Electronics Industry, Limited | Stress composite sensor and stress measuring device using the same for structure |
| CN2557504Y (en) * | 2002-05-31 | 2003-06-25 | 吴红龙 | Yoke board type electronic balance for crane pulley |
| CN201206086Y (en) * | 2008-01-02 | 2009-03-11 | 浙江省建设机械有限公司 | Lifting limiter for crane |
| CN201495038U (en) * | 2009-09-07 | 2010-06-02 | 廊坊凯博建设机械科技有限公司 | Movable arm amplitude tower type hoisting machine elevating capacity checking device |
| CN202360080U (en) * | 2011-08-22 | 2012-08-01 | 徐州徐工基础工程机械有限公司 | Drilling rod carrying monitoring system of rotary drilling rig |
| CN202481970U (en) * | 2011-12-23 | 2012-10-10 | 杭州卡炫电气有限公司 | Load lifting limiter for tower crane |
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2012
- 2012-12-28 CN CN201210584443.0A patent/CN103076127B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0611959A2 (en) * | 1993-02-15 | 1994-08-24 | Japan Electronics Industry, Ltd. | Electrical circuit for a wheel-acting force measuring device |
| US5723792A (en) * | 1994-09-14 | 1998-03-03 | Japan Electronics Industry, Limited | Stress composite sensor and stress measuring device using the same for structure |
| CN2557504Y (en) * | 2002-05-31 | 2003-06-25 | 吴红龙 | Yoke board type electronic balance for crane pulley |
| CN201206086Y (en) * | 2008-01-02 | 2009-03-11 | 浙江省建设机械有限公司 | Lifting limiter for crane |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674380A (en) * | 2013-12-04 | 2014-03-26 | 国家电网公司 | Hinge pin tensile test device |
| CN105157901A (en) * | 2015-09-06 | 2015-12-16 | 中国石油大学(北京) | Variable-diameter automatic detection device of internal screw thread of drilling tool |
| CN105460788A (en) * | 2016-01-18 | 2016-04-06 | 中船第九设计研究院工程有限公司 | Pulley weighing device |
| CN107091708A (en) * | 2017-04-27 | 2017-08-25 | 武汉船用机械有限责任公司 | A kind of chock that function is detected with tension force |
| CN108844666A (en) * | 2018-05-14 | 2018-11-20 | 南京农业大学 | A kind of tractor suspension device for measuring force |
| CN108844666B (en) * | 2018-05-14 | 2023-10-24 | 南京农业大学 | Tractor hangs force measurement device |
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| Publication number | Publication date |
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| CN103076127B (en) | 2014-12-10 |
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