CN107167314B - Motorcycle chain tensioner detection device - Google Patents
Motorcycle chain tensioner detection device Download PDFInfo
- Publication number
- CN107167314B CN107167314B CN201710432287.9A CN201710432287A CN107167314B CN 107167314 B CN107167314 B CN 107167314B CN 201710432287 A CN201710432287 A CN 201710432287A CN 107167314 B CN107167314 B CN 107167314B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/16—Rotary-absorption dynamometers, e.g. of brake type
- G01L3/18—Rotary-absorption dynamometers, e.g. of brake type mechanically actuated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/16—Rotary-absorption dynamometers, e.g. of brake type
- G01L3/22—Rotary-absorption dynamometers, e.g. of brake type electrically or magnetically actuated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a detection device for a chain tensioner of a motorcycle, which comprises a base, an upright post, a variable frequency motor, a speed reducer connected with a main shaft of the variable frequency motor and a micro-range torque sensor, wherein one end shaft of the micro-range torque sensor is connected with an output shaft of the speed reducer, the other end shaft of the micro-range torque sensor is connected with a connecting shaft, and a key plectrum is connected on the connecting shaft; the vertical column is sequentially fixedly provided with a load guide plate, a detection mounting plate and a workpiece mounting plate, the load guide plate is connected with a guide sleeve, a longitudinal pressing rod penetrates through the guide sleeve and the load guide plate in a sliding manner, the pressing rod is fixedly provided with a counterweight and a pressing plate, the detection mounting plate is provided with a dial indicator, the workpiece mounting plate is provided with a longitudinal through hole, a key plectrum penetrates through the through hole and is positioned above the workpiece mounting plate, and potential energy is applied to a plane scroll spring in a workpiece by the key plectrum; the invention can accurately detect whether the torque value of the plane scroll spring meets the requirement, thereby ensuring the performance of the tensioner, having simple and visual judgment mode and improving the detection efficiency.
Description
Technical Field
The invention relates to a detection device for a motorcycle chain tensioner.
Background
The overhead valve actuating mechanism of the camshaft of the motorcycle engine generally adopts chain transmission because the center of the camshaft is far away from the center of the crankshaft. In order to prevent the phenomena of loosening, vibration, noise and the like of the chain when the engine runs at a high speed, a chain tensioner is generally arranged in the middle position of the chain in a middle-high grade motorcycle so as to ensure that the chain has certain tension when the engine runs, and the chain can be adjusted at any time according to the elongation and abrasion conditions of the chain. The conventional chain tensioner comprises a base 41, a special stud 42 screwed with the base 41, and a sleeve 43 screwed with the special stud 42, wherein a key hole 45 is formed in the base 41, one end of a flat spiral spring 44 is fixed in a groove on the special stud 42, and the other end is fixed on the sleeve 43. When the key blade rotates a special stud through the key hole 45 in the base 41, the flat spiral spring 44 is compressed and stores energy. On the motorcycle, the top end of the sleeve 43 is in contact with the motorcycle chain; when the chain is too loose, the sleeve 43 is driven to rotate by the energy stored by the plane scroll spring 44, so that the motorcycle chain is tensioned; from the above working principle, the performance of the flat spiral spring 44 in the tensioner determines the accuracy of the tensioner, so the torque value of the flat spiral spring 44 becomes a key parameter for determining the performance and accuracy of the chain tensioner of the motorcycle; however, there is no corresponding device for detecting the torque of the flat spiral spring in the tensioner with the structure, and the performance of the tensioner cannot be guaranteed.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a detection device for a chain tensioner of a motorcycle, which can accurately detect whether the torque value of a plane scroll spring meets the requirement, thereby ensuring the performance of the tensioner, and has simple and visual judgment mode and can improve the detection efficiency.
In order to achieve the aim, the detection device of the motorcycle chain tensioner comprises a base, an upright post, a variable frequency motor and a speed reducer connected with a main shaft of the variable frequency motor, and is characterized by also comprising a fixedly arranged micro-path torque sensor, wherein one end shaft of the micro-path torque sensor is connected with an output shaft of the speed reducer, the other end shaft of the micro-path torque sensor is connected with a connecting shaft, and a key pulling piece is connected on the connecting shaft; the vertical column is sequentially fixedly provided with a load guide plate, a detection mounting plate and a workpiece mounting plate from top to bottom, the load guide plate is connected with a longitudinal guide sleeve, a longitudinal pressing rod penetrates through the guide sleeve and the load guide plate in a sliding manner, a counterweight and a pressing plate are fixedly arranged on the pressing rod, the detection mounting plate is provided with a dial indicator, the pressing plate is positioned above a measuring head of the dial indicator, the workpiece mounting plate is provided with a longitudinal through hole, a key plectrum penetrates through the through hole and is positioned above the workpiece mounting plate, and potential energy is applied to a plane scroll spring in a workpiece by the key plectrum; the stand is the cavity stand, the lower extreme of a lead screw is adorned in the cavity stand through bearing frame and bearing, have nut cover through the screw thread on the lead screw, load deflector, detect mounting panel and work piece mounting panel all with respective sliding sleeve fixedly connected, three sliding sleeves all are fixed in on the cavity stand through radial holding screw on it, nut cover and the sliding sleeve of detecting the mounting panel are through locating the radial link block and the connecting bolt in the logical groove of cavity stand and associative, be equipped with radial screw thread uide bushing on the cavity stand, a top is connected in the screw thread uide bushing through the screw thread, it has the handle to link to have the fixed cover that corresponds with the top on the lead screw admittedly to be connected at top rear end.
When the device is used, a workpiece is placed on the workpiece mounting plate, the key poking piece is inserted into a key hole at the bottom of the workpiece, and the pressing rod is contacted with a sleeve of the workpiece; starting a variable frequency motor, controlling output through a micro-range torque sensor, displaying constant torque, applying potential energy to a plane scroll spring in a workpiece by a key pulling piece until the key pulling piece cannot rotate, stopping the variable frequency motor, releasing the potential energy by the plane scroll spring, pushing up a compression bar with a counterweight, detecting displacement of a pressure plate through a dial indicator, namely the upward displacement of the compression bar, if the upward displacement of the compression bar exceeds a certain value, indicating that the torque value of the plane scroll spring meets the requirement, otherwise, failing; the judgment mode is simple and visual, and the detection efficiency can be improved; the guide sleeve has better guide effect; the screw rod is locked by the center through each set screw and rotation of the screw rod, so that the longitudinal positions of the load guide plate, the detection mounting plate and the workpiece mounting plate can be adjusted, the requirements of different working conditions are met;
as a further improvement of the invention, the compression bar is connected with an upper clamping block and a lower clamping block through threads, the upper clamping block and the lower clamping block are both provided with radial set screws, and the counterweight is fixedly arranged between the upper clamping block and the lower clamping block; the pressure plate is fixedly arranged on the pressure rod through a radial set screw on the pressure plate; the device is convenient for installing weights with different weights, is convenient for adjusting the position of the pressure plate, and can be suitable for tensioners with different specifications;
as a further improvement of the invention, the sliding sleeve of the detection mounting plate is connected with the sliding sleeve of the load guide plate through a connecting plate; when in adjustment, the linkage of the two sliding sleeves can be realized;
in summary, the invention can accurately detect whether the torque value of the plane scroll spring meets the requirement, thereby ensuring the performance of the tensioner, and has simple and visual judgment mode, improved detection efficiency and wide application range.
Drawings
Fig. 1 is a front view of a chain tensioner.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is a right side view of fig. 2.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 2 to 3, the motorcycle chain tensioner detecting device of this embodiment includes a base 1, a hollow upright post 2, a variable frequency motor 3, a speed reducer 4 connected with a main shaft of the variable frequency motor, and a micro-range torque sensor 5 fixedly arranged on the base 1, wherein one end shaft of the micro-range torque sensor 5 is connected with an output shaft of the speed reducer 4 through a key and a supporting sleeve 7, the other end shaft of the micro-range torque sensor 5 is connected with a connecting shaft 6 through a key and a supporting sleeve 8, and a key pulling sheet 9 is connected on the connecting shaft 6 through a clamping groove and a locking screw 39; the lower end of a screw rod 10 is arranged in a hollow upright post 2 through a bearing seat 11 and a bearing 12, a nut sleeve 13 is connected on the screw rod 10 through threads, a load guide plate 14 is fixedly connected with a sliding sleeve 17, a detection mounting plate 15 is fixedly connected with a sliding sleeve 18, a workpiece mounting plate 16 is fixedly connected with a sliding sleeve 19, the sliding sleeve 19 is fixedly arranged on the hollow upright post 2 through a radial set screw 20 on the sliding sleeve 19, the sliding sleeve 18 is fixedly arranged on the hollow upright post 2 through a radial set screw 21 on the sliding sleeve 18, the nut sleeve 13 is connected with the sliding sleeve 18 through a connecting block 25 and a connecting bolt 26 which are arranged in a radial through groove 24 of the hollow upright post 2, the sliding sleeve 17 is fixedly arranged on the hollow upright post 2 through a radial set screw 22 on the sliding sleeve 17, the sliding sleeve 18 is also connected with a connecting plate 23, a radial thread guide sleeve 27 is arranged on the hollow upright post 2 through threads, a tip 28 is connected with the inside the thread guide sleeve 27, a handle 29 is connected with the rear end of the tip 28, and a fixed sleeve 30 corresponding to the tip 28 is fixedly connected with the screw rod 10; the load guide plate 14 is fixedly connected with a longitudinal guide sleeve 31, a longitudinal pressure bar 32 passes through the guide sleeve 31 in a sliding manner, an upper clamping block 33 and a lower clamping block 34 are connected to the upper end of the pressure bar 32 through threads, radial set screws are respectively arranged on the upper clamping block 33 and the lower clamping block 34, a counterweight 35 is fixedly arranged between the upper clamping block 33 and the lower clamping block 34, and a pressure plate 36 is fixedly arranged at the lower end of the pressure bar 32 through the upper radial set screws; the detecting mounting plate 15 is provided with a dial indicator 37, the pressure plate 36 is positioned above the measuring head of the dial indicator 37, the workpiece mounting plate 16 is provided with a longitudinal through hole 38, the key plectrum 9 passes through the through hole 38 and is positioned above the workpiece mounting plate 16, and potential energy is applied to the plane spiral spring in the workpiece by the key plectrum 9.
When the chain tensioner is used, the chain tensioner is placed on the workpiece mounting plate 16, the key pulling sheet 9 is inserted into a key hole at the bottom of the chain tensioner, the pressure bar 32 slides downwards due to self weight, meanwhile, the pressure plate 36 on the pressure bar presses down the measuring head of the dial indicator 37 until the pressure bar 32 contacts with the sleeve of the tensioner, the weight of the counterweight 35 and the pressure bar 32 simulate the compression force of the chain tensioner from the chain in the working process, and the weight of the counterweight 35 can be changed according to different pressures born by the chain on different motorcycles in the driving process; the micro-range torque sensor 4 can ensure that a constant torque value is applied for each detection;
during detection, the variable frequency motor 3 is started, the output is controlled through the micro-range torque sensor 4, constant torque is displayed, potential energy is applied to the plane scroll spring in the tensioner by the key plectrum 9 until the key plectrum 9 cannot rotate, the variable frequency motor 3 stops, the plane scroll spring releases the potential energy, the pressure rod 32 with the counterweight 35 is pushed up, the displacement of the pressure plate 36 is detected through the dial indicator 37, namely the upward displacement of the pressure rod 32, if the upward displacement of the pressure rod 32 exceeds a certain value, the torque value of the plane scroll spring meets the requirement, otherwise, the torque value of the plane scroll spring is unqualified; in actual detection, the displacement value meeting the requirements can be set to be zero on the percentage 37, the displacement detected to be positive is qualified, and the displacement detected to be negative is unqualified, so that the judgment mode is simple and visual, and the detection efficiency can be improved;
the longitudinal position of the workpiece mounting plate 16 can be adjusted by the set screw 20; during actual detection, the displacement of the compression bar 32 is changed slightly due to the tensioners of different specifications, the positions of the pressure plates 36 are adjusted, the set screws 21 and 22 are loosened, the longitudinal positions of the load guide plate 14 and the detection mounting plate 15 can be adjusted in a linkage manner by operating the rotary screw rod 10 through the opening above the hollow upright post 2, the requirements of different working conditions are met, then the handle 29 is rotated, the screw rod 10 is locked by the center 28, and the set screws 21 and 22 are locked, so that the tensioner is suitable for different tensioners and has a wide application range.
Claims (3)
1. The detection device of the motorcycle chain tensioner comprises a base, an upright post, a variable frequency motor and a speed reducer connected with a main shaft of the variable frequency motor, and is characterized by further comprising a fixedly arranged micro-path torque sensor, wherein one end shaft of the micro-path torque sensor is connected with an output shaft of the speed reducer, the other end shaft of the micro-path torque sensor is connected with a connecting shaft, and a key plectrum is connected on the connecting shaft; the vertical column is sequentially fixedly provided with a load guide plate, a detection mounting plate and a workpiece mounting plate from top to bottom, the load guide plate is connected with a longitudinal guide sleeve, a longitudinal pressing rod penetrates through the guide sleeve and the load guide plate in a sliding manner, a counterweight and a pressing plate are fixedly arranged on the pressing rod, the detection mounting plate is provided with a dial indicator, the pressing plate is positioned above a measuring head of the dial indicator, the workpiece mounting plate is provided with a longitudinal through hole, a key plectrum penetrates through the through hole and is positioned above the workpiece mounting plate, and potential energy is applied to a plane scroll spring in a workpiece by the key plectrum; the stand is the cavity stand, the lower extreme of a lead screw is adorned in the cavity stand through bearing frame and bearing, have nut cover through the screw thread on the lead screw, load deflector, detect mounting panel and work piece mounting panel all with respective sliding sleeve fixedly connected, three sliding sleeves all are fixed in on the cavity stand through radial holding screw on it, nut cover and the sliding sleeve of detecting the mounting panel are through locating the radial link block and the connecting bolt in the logical groove of cavity stand and associative, be equipped with radial screw thread uide bushing on the cavity stand, a top is connected in the screw thread uide bushing through the screw thread, it has the handle to link to have the fixed cover that corresponds with the top on the lead screw admittedly to be connected at top rear end.
2. The motorcycle chain tensioner detecting device as in claim 1, wherein the compression bar is threadably coupled with an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are provided with radial set screws, and the counterweight is fixedly arranged between the upper clamping block and the lower clamping block; the pressure plate is fixedly arranged on the pressure rod through radial set screws on the pressure plate.
3. A motorcycle chain tensioner detecting device as claimed in claim 1 or claim 2, wherein the sliding sleeve of the detecting mounting plate is connected to the sliding sleeve of the load guide plate by a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432287.9A CN107167314B (en) | 2017-06-09 | 2017-06-09 | Motorcycle chain tensioner detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432287.9A CN107167314B (en) | 2017-06-09 | 2017-06-09 | Motorcycle chain tensioner detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107167314A CN107167314A (en) | 2017-09-15 |
| CN107167314B true CN107167314B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432287.9A Active CN107167314B (en) | 2017-06-09 | 2017-06-09 | Motorcycle chain tensioner detection device |
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| Country | Link |
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| CN (1) | CN107167314B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609956B (en) * | 2020-05-20 | 2021-11-30 | 中国第一汽车股份有限公司 | Crankshaft sprocket slippage torque testing device |
Citations (6)
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|---|---|---|---|---|
| JP2005140534A (en) * | 2003-11-04 | 2005-06-02 | Daiki Kogyo Kk | Method for measuring slack of chain for power transmission |
| CN101581627A (en) * | 2009-06-25 | 2009-11-18 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN103308294A (en) * | 2013-05-10 | 2013-09-18 | 重庆科技学院 | Chain tensioner test bed |
| CN204944831U (en) * | 2015-06-11 | 2016-01-06 | 上海辛帕工业自动化有限公司 | A kind of chain for vehicles stretcher accessory detects machine |
| CN206960115U (en) * | 2017-06-09 | 2018-02-02 | 内江职业技术学院 | Chain tensioner of motorcycle detection means |
-
2017
- 2017-06-09 CN CN201710432287.9A patent/CN107167314B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005140534A (en) * | 2003-11-04 | 2005-06-02 | Daiki Kogyo Kk | Method for measuring slack of chain for power transmission |
| CN101581627A (en) * | 2009-06-25 | 2009-11-18 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN103308294A (en) * | 2013-05-10 | 2013-09-18 | 重庆科技学院 | Chain tensioner test bed |
| CN204944831U (en) * | 2015-06-11 | 2016-01-06 | 上海辛帕工业自动化有限公司 | A kind of chain for vehicles stretcher accessory detects machine |
| CN206960115U (en) * | 2017-06-09 | 2018-02-02 | 内江职业技术学院 | Chain tensioner of motorcycle detection means |
Non-Patent Citations (1)
| Title |
|---|
| 王忠 ; 魏淼若 ; 尹德斌 ; 王怀宇 ; 赵建祥 ; .发动机正时链可靠性试验台的设计.车用发动机.2010,(02),第1-4页. * |
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| CN107167314A (en) | 2017-09-15 |
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