CN103175985A - Stay type tachometer - Google Patents
Stay type tachometer Download PDFInfo
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- CN103175985A CN103175985A CN2013100812033A CN201310081203A CN103175985A CN 103175985 A CN103175985 A CN 103175985A CN 2013100812033 A CN2013100812033 A CN 2013100812033A CN 201310081203 A CN201310081203 A CN 201310081203A CN 103175985 A CN103175985 A CN 103175985A
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- knotmeter
- casing
- pull bar
- tachometer
- dragline type
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Abstract
The invention relates to a stay type tachometer which comprises two tachometers connected with each other by a circuit. Each tachometer comprises a tachometer case, a laser transmitter and a laser receiver are respectively arranged on two corresponding inner walls of the tachometer case, a draw bar sleeve is arranged between the laser transmitter and the laser receiver and is fixed onto a bottom plate of the tachometer case, a draw bar is arranged on the draw bar sleeve, a trigger block is arranged on the draw bar, one end of the draw bar is connected with the corresponding inner wall of the tachometer case by a first return spring, and the other end of the draw bar is connected with a stay. The stay type tachometer has the advantages that the stay type tachometer can measure speeds continuously around the clock under complicated weather conditions in severe natural environments with large quantities of flying gravel, sandy soil and dust, is simple in structure, convenient to install, precise in speed measurement and stabile in performance and is portable.
Description
Technical field
The present invention relates to a kind of dragline type knotmeter.
Background technology
Along with constantly carrying out of China's traffic safety cause, various traffic highway sections vehicle is accurately tested the speed, especially the work of accurately testing the speed of the vehicle of special road section just seems very important.At present, China's motor vehicles speed measuring device is mainly contactless laser velocimeter, radar meter, but easily be subject to the impact of the weather condition of extreme natural environment, weather conditions, complexity due to means that test the speed such as common laser velocimeter, radar velocity measurements, can't reach round-the-clock uninterrupted measurement, especially it is used at special road section, have gravel and the airborne dust that splashes in a large number in vehicle speed measuring process as emergency lane, make the conventional laser knotmeter can't accurately measure the true velocity of vehicle.Expose the difficulty that much can't overcome when traditional non-contact speed measurement instrument is used for special road section in a word.Therefore, exploitation is a kind of can be in the situation that external environment be disliked slightly, the weather condition dragline type knotmeter that uses complicated and changeable just seems very important.
Summary of the invention
The purpose of this invention is to provide a kind of dragline type knotmeter, to overcome present prior art above shortcomings.
The objective of the invention is to be achieved through the following technical solutions:
A kind of dragline type knotmeter, comprise two knotmeters by connection, described knotmeter comprises the knotmeter casing, be respectively equipped with generating laser and laser pickoff on interior two the corresponding inwalls of knotmeter casing, be provided with the pull bar sleeve between generating laser and laser pickoff, the pull bar sleeve is fixed on the base plate of knotmeter casing, the pull bar sleeve is provided with pull bar, pull bar is provided with triggering block, one end of pull bar is connected with the inwall of knotmeter casing by back-moving spring one, and the other end of pull bar is connected with stay cord.
Further, described laser pickoff is connected with timer by circuit.
Further, the interior laser pickoff of the generating laser in one of them knotmeter casing and another knotmeter casing is connected.
Further, described pull bar comprises and interconnects driving lever and follower lever, the diameter of follower lever is greater than the diameter of driving lever, one end of follower lever is connected with the inwall of knotmeter casing by back-moving spring one, be provided with back-moving spring two between the other end of follower lever and knotmeter cabinet wall, back-moving spring two is placed on described driving lever, and driving lever stretches out the knotmeter casing and is connected with stay cord.
Preferably, described stay cord can be belt, steel wire, iron wire or fibrecord, and its length, rigidity reach certain requirement, and can not fracture easily.
Preferably, knotmeter casing, pull bar sleeve pull bar all can be by a kind of the making in metal material or toughened plastic, the cross section of described knotmeter casing is positive multiform, trapezoidal, circular or semicircle, and the cross section of pull bar sleeve is quadrilateral, triangle, circle or polygon.
Beneficial effect of the present invention is: can be issued to round-the-clock uninterrupted measurement if any the weather conditions such as the gravel that splashes in a large number, sandy soil and airborne dust, complicated weather condition at extreme natural environment; Simultaneously its have simple in structure, carry easy for installation, test the speed accurately, the characteristics of stable performance.
Description of drawings
The below is described in further detail the present invention with reference to the accompanying drawings.
Fig. 1 is the structural representation of the described dragline type knotmeter of the embodiment of the present invention;
Fig. 2 is the use state reference map of the described dragline type knotmeter of the embodiment of the present invention.
In figure:
1, knotmeter; 2, knotmeter casing; 3, generating laser; 4, laser pickoff; 5, pull bar sleeve; 6, pull bar; 601, driving lever; 602, follower lever; 7, triggering block; 8, back-moving spring one; 9, stay cord; 10, back-moving spring two; 11, timer; 12, passage.
Embodiment
as shown in Figure 1, the described a kind of dragline type knotmeter of the embodiment of the present invention, comprise two knotmeters 1 by connection, described knotmeter 1 comprises knotmeter casing 2, be respectively equipped with generating laser 3 and laser pickoff 4 on interior two the corresponding inwalls of knotmeter casing 2, laser pickoff 4 is connected with timer 11 by circuit, the interior laser pickoff 4 of generating laser 3 in one of them knotmeter casing 2 and another knotmeter casing 2 is connected, be provided with pull bar sleeve 5 between generating laser 3 and laser pickoff 4, pull bar sleeve 5 is fixed on the base plate of knotmeter casing 2, pull bar sleeve 5 is provided with pull bar 6, pull bar 6 is provided with triggering block 7, one end of pull bar 6 is connected with the inwall of knotmeter casing 2 by back-moving spring 1, the other end of pull bar 6 is connected with stay cord 9, pull bar 6 comprises and interconnects driving lever 601 and follower lever 602, the diameter of follower lever 602 is greater than the diameter of driving lever 601, one end of follower lever 602 is connected with the inwall of knotmeter casing 2 by back-moving spring 1, be provided with back-moving spring 2 10 between the other end of follower lever 602 and knotmeter casing 2 inwalls, back-moving spring 2 10 is placed on described driving lever 601, driving lever 601 stretches out knotmeter casing 2 and is connected with stay cord 9.The cross section of described knotmeter casing 2 is positive multiform, trapezoidal, circular or semicircle.
Described stay cord 9 can be belt, steel wire, iron wire or fibrecord, and its length, rigidity reach certain requirement, and can not fracture easily.Knotmeter casing 2, pull bar sleeve 5 pull bars 6 all can be by a kind of the making in metal material or toughened plastic, and its cross section is positive multiform, trapezoidal, circular or semicircle.The cross section of pull bar sleeve 5 is quadrilateral, triangle, circle or polygon, and its fixed form is for welding or be installed fixing.
As shown in Figure 2, during use, described two knotmeters 1 are arranged in tested passage one side, and stay cord 9 is fixed to opposite side, make two stay cords 9 perpendicular to tested passage 12, by recording object by the time between two stay cords 9 and then obtaining movement of objects speed.In knotmeter when work, by test channel and pull stay cord 9, and then drive pull bar 6 motions due to testee, and the triggering block 7 that is positioned on pull bar 6 move thereupon, and triggering block 7 stops light beam, and timer 11 begins timing; When movement of objects L length pulled second stay cord 9, the laser pickoff 4 that is positioned at second knotmeter casing 2 was triggered, and timer 11 stops timing.Can record the speed of moving object by speed, distance, time triadic relation formula.
The above-mentioned stay cord 9 that passes through contacts and then triggering timing device 11 with the direct of tested mobile object, and the timing of triggering beginning for the first time, triggering for the second time stop timing, record the time by the stretch journey, thereby obtain mobile object speed.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation on its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (8)
1. dragline type knotmeter, comprise two knotmeters (1) by connection, it is characterized in that: described knotmeter (1) comprises knotmeter casing (2), be respectively equipped with generating laser (3) and laser pickoff (4) on interior two the corresponding inwalls of knotmeter casing (2), be provided with pull bar sleeve (5) between generating laser (3) and laser pickoff (4), pull bar sleeve (5) is fixed on the base plate of knotmeter casing (2), pull bar sleeve (5) is provided with pull bar (6), pull bar (6) is provided with triggering block (7), one end of pull bar (6) is connected with the inwall of knotmeter casing (2) by back-moving spring one (8), the other end of pull bar (6) is connected with stay cord (9).
2. dragline type knotmeter according to claim 1, it is characterized in that: described laser pickoff (4) is connected with timer (11) by circuit.
3. dragline type knotmeter according to claim 2 is characterized in that: the interior laser pickoff (4) of the generating laser (3) in one of them knotmeter casing (2) and another knotmeter casing (2) is connected.
4. dragline type knotmeter according to claim 3, it is characterized in that: described pull bar (6) comprises and interconnects driving lever (601) and follower lever (602), the diameter of follower lever (602) is greater than the diameter of driving lever (601), one end of follower lever (602) is connected with the inwall of knotmeter casing (2) by back-moving spring one (8), be provided with back-moving spring two (10) between the other end of follower lever (602) and knotmeter casing (2) inwall, back-moving spring two (10) is placed on described driving lever (601), driving lever (601) stretches out knotmeter casing (2) and is connected with stay cord (9).
5. according to claim 1-4 described dragline type knotmeters of any one, it is characterized in that: the cross section of described knotmeter casing (2) is positive multiform, trapezoidal, circular or semicircle.
6. according to claim 1-4 described dragline type knotmeters of any one, it is characterized in that: the cross section of described pull bar sleeve (5) is quadrilateral, triangle, circle or polygon.
7. according to claim 1-4 described dragline type knotmeters of any one, it is characterized in that: knotmeter casing (2), pull bar sleeve (5) pull bar (6) are by a kind of the making in metal material or toughened plastic.
8. according to claim 1-4 described dragline type knotmeters of any one is characterized in that: described stay cord (9) is belt, steel wire, iron wire or fibrecord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081203.3A CN103175985B (en) | 2013-03-14 | 2013-03-14 | Stay type tachometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081203.3A CN103175985B (en) | 2013-03-14 | 2013-03-14 | Stay type tachometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175985A true CN103175985A (en) | 2013-06-26 |
| CN103175985B CN103175985B (en) | 2015-02-25 |
Family
ID=48635980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310081203.3A Active CN103175985B (en) | 2013-03-14 | 2013-03-14 | Stay type tachometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103175985B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187141A (en) * | 2019-04-24 | 2019-08-30 | 武汉船用机械有限责任公司 | Speed measuring device and speed-measuring method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544958A (en) * | 1967-09-11 | 1970-12-01 | Leo J Carey | Selective speed signs actuated by vehicle speed sensing |
| US5637996A (en) * | 1993-02-05 | 1997-06-10 | Link Group International | Toy system with movable vehicles |
| CN2277072Y (en) * | 1996-08-08 | 1998-03-25 | 段平凡 | Timing velometer of toy car |
| CN2478111Y (en) * | 2001-04-18 | 2002-02-20 | 上海铁路站场调速技术中心有限公司 | Cut-off stock velocity measure jogging sensor |
| CN2706766Y (en) * | 2003-12-26 | 2005-06-29 | 童文炫 | Speedometer for sports apparatus |
| CN1641359A (en) * | 2004-12-09 | 2005-07-20 | 清华大学深圳研究生院 | Road vehicle running speed detecting method and device |
| CN201289492Y (en) * | 2008-11-14 | 2009-08-12 | 绍兴市质量技术监督检测院 | Laser speedometer |
| CN102033070A (en) * | 2009-09-24 | 2011-04-27 | 宁波中科集成电路设计中心有限公司 | Container damage monitoring system |
-
2013
- 2013-03-14 CN CN201310081203.3A patent/CN103175985B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544958A (en) * | 1967-09-11 | 1970-12-01 | Leo J Carey | Selective speed signs actuated by vehicle speed sensing |
| US5637996A (en) * | 1993-02-05 | 1997-06-10 | Link Group International | Toy system with movable vehicles |
| CN2277072Y (en) * | 1996-08-08 | 1998-03-25 | 段平凡 | Timing velometer of toy car |
| CN2478111Y (en) * | 2001-04-18 | 2002-02-20 | 上海铁路站场调速技术中心有限公司 | Cut-off stock velocity measure jogging sensor |
| CN2706766Y (en) * | 2003-12-26 | 2005-06-29 | 童文炫 | Speedometer for sports apparatus |
| CN1641359A (en) * | 2004-12-09 | 2005-07-20 | 清华大学深圳研究生院 | Road vehicle running speed detecting method and device |
| CN201289492Y (en) * | 2008-11-14 | 2009-08-12 | 绍兴市质量技术监督检测院 | Laser speedometer |
| CN102033070A (en) * | 2009-09-24 | 2011-04-27 | 宁波中科集成电路设计中心有限公司 | Container damage monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187141A (en) * | 2019-04-24 | 2019-08-30 | 武汉船用机械有限责任公司 | Speed measuring device and speed-measuring method |
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| Publication number | Publication date |
|---|---|
| CN103175985B (en) | 2015-02-25 |
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