CN102445392B - Flexible heating appliance mechanical strength testing machine with dynamic load - Google Patents
Flexible heating appliance mechanical strength testing machine with dynamic load Download PDFInfo
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- CN102445392B CN102445392B CN 201110341922 CN201110341922A CN102445392B CN 102445392 B CN102445392 B CN 102445392B CN 201110341922 CN201110341922 CN 201110341922 CN 201110341922 A CN201110341922 A CN 201110341922A CN 102445392 B CN102445392 B CN 102445392B
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Abstract
The invention relates to a flexible heating appliance dynamic loaded mechanical strength testing machine. One end of a frame is provided with a rotational drive part, the other end of the frame is provided with a bearing with a pedestal; one end of a supporting shaft in a roller part is connected with a rotational drive part, the other end of the supporting shaft is bearing mountable in the bearing with the pedestal, a drive sprocket is arranged on the supporting shaft, a roller is sleeved on the supporting shaft through the bearing, a plurality of rubber hemispheres are regularly distributed on the surface of the roller; a roller mechanism is arranged at the upper part of the roller, a roller lifting mechanism used for lifting or descending the roller mechanism is arranged at the top of the frame; a counterweight mechanism is provided at the lower part of the roller, a square shaft is provided on the counterweight mechanism, the square shaft is used for suspending the counterweight mechanism on a detected product under a closed loop state, a chain is sleeved on the drive sprocket of the supporting shaft, a draw bar part used for hooking the detected product is arranged on the chain. The testing machine possesses an ingenious structure, and is capable of detecting a plurality of flexible heating appliances, the detection result is accurate and valid.
Description
Technical field
The invention belongs to household appliances detection technique field, relate to a kind of flexible heating device physical strength reliability-test equipment, specifically a kind of flexible heating appliance dynamic loaded mechanical strength testing machine.
Background technology
Along with the development of flexible heating device (for example: electric blanket, electric pad) manufacturing technology, people have higher requirement to the usage safety performance of this series products.Shell cracking during normal use often appears in flexible heating device, live part exposes, and occurs to get an electric shock and the accident such as fire, and this has just proposed high requirement to the reliability of the physical strength of this series products, uses the safety of this series products to guarantee people.There are the defectives such as the scope of application is restricted, rotating speed (or movement velocity) can not regulate and control in actual use in the existing test unit that detects for the reliability to flexible heating device mechanical apparatus intensity, and the appearance meeting of this single or multiple defective directly affects the accuracy of being examined product physical strength reliability testing result.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of structure flexible heating appliance dynamic loaded mechanical strength testing machine cleverly is provided, it can detect multiple flexible heating device product, controllability is strong, testing process meets standard-required, and accuracy and the validity of testing result are high.
According to technical scheme provided by the invention: flexible heating appliance dynamic loaded mechanical strength testing machine is characterized in that: comprise frame, rotation driving part, rolling bearing units, roller parts, idler wheel mechanism, roller hoisting gear, weight member, towbar parts and supporting electric cabinet; Described frame one end is installed rotation driving part, and the frame other end is installed rolling bearing units; Described roller parts comprise bolster and roller, bolster one end is connected with rotation driving part, and the supporting of the bolster other end is arranged in rolling bearing units, and drive sprocket is installed on bolster, roller is contained on bolster by bearing holder (housing, cover), a plurality of rubber hemisphere of rule distribution on roller surface; Described idler wheel mechanism is arranged on above the roller parts, and idler wheel mechanism is used for matching with the roller parts; Described roller hoisting gear is arranged on frame top, and the roller hoisting gear is used for idler wheel mechanism is risen or falls; Described roller parts below is provided be used to making detected product be subjected to heavy balance weight mechanism, square shaft is installed on balance weight mechanism, described square shaft is used for balance weight mechanism is hung at the detected product that is under the closed loop state, be set with chain on drive sprocket on described bolster, be installed with on chain be used to the towbar parts that catch on detected product, the towbar parts are used for driving detected product and follow the chain rotation.
As a further improvement on the present invention, described rotation driving part comprises worm reduction gear and the first servomotor, the first worm reduction gear is arranged on frame, the first servomotor is arranged on the first worm reduction gear by joint flange, the output shaft of the first servomotor is connected with the hollow input shaft of the first worm reduction gear, and the hollow output shaft of the first worm reduction gear is connected with bolster.
As a further improvement on the present invention, described idler wheel mechanism comprises stationary shaft, wooden roll wheel assembly and balance staff, and the stationary shaft two supports is arranged in axle bed, and axle bed is fixed on frame, and a plurality of wooden roll wheel assemblies are installed on stationary shaft; Single wooden roll wheel assembly comprises wooden roller, wooden roller shaft and wooden roller arm, and wooden roller is arranged on an end of wooden roller arm by wooden roller shaft, and the other end of wooden roller arm is fastened on stationary shaft; Described balance staff two ends are connected with an end of a balance staff arm respectively, and the other end of balance staff arm is fastened on stationary shaft.
As a further improvement on the present invention, described roller hoisting gear comprises the second servomotor, two shaft worm reduction gear, rotating shaft, wire rope pulley and wire rope, two shaft worm reduction gears are arranged on frame top central authorities, the second servomotor is arranged on two shaft worm reduction gears by joint flange, two output shafts of two shaft worm reduction gears are connection rotating shaft one end respectively, the other end of every rotating shaft is installed wire rope pulley, wire rope one end is fixedly connected on wire rope pulley, and the other end is walked around wire rope pulley and is connected with balance staff downwards.
As a further improvement on the present invention, described balance weight mechanism comprises lifting rolling bearing units and guide pillar, two guide pillars are installed respectively in bottom, described frame two ends, the lifting rolling bearing units coordinate with guide pillar by the pilot hole on it, the lifting rolling bearing units can be along the guide pillar lifting, and described square shaft is arranged on the lifting rolling bearing units.
As a further improvement on the present invention, described towbar parts comprise towbar, semicanal, hinge and steel wire change, the towbar two ends are fastened on chain, the semicanal anchor ear is fixed on towbar, the semicanal bottom be welded with a plurality of on the semicanal length direction equally distributed hinge, described steel wire change is through in hinge, is bent to form a plurality of suspension rings for the detected product of traction in the steel wire change.
What as a further improvement on the present invention, described rolling bearing units adopted is band square base roller bearing units.
What as a further improvement on the present invention, described lifting rolling bearing units adopted is band plummer block housing roller bearing units.
The present invention compared with prior art, advantage is: structure of the present invention is ingenious, it will be detected product (soft heat generation device) free suspension on chain, apply dynamic load for detected product by balance weight mechanism, balance weight mechanism can be freely up and down in certain distance simultaneously, thereby the weight of guaranteeing balance weight mechanism is applied on detected product fully; The present invention can detect multiple flexible heating device product, and controllability is strong, and testing process meets standard-required, and accuracy and the validity of testing result are high.
Description of drawings
Fig. 1 is structural front view of the present invention.
Fig. 2 is that K in Fig. 1 is to partial enlarged view.
Fig. 3 is that M in Fig. 1 is to view.
Fig. 4 is the A section enlarged diagram in Fig. 3.
description of reference numerals: 1-frame, the 2-worm reduction gear, the 3-bolster, the 4-drive sprocket, the 5-axle bed, the 6-stationary shaft, 7-wood roller, 8-wood roller shaft, the 9-roller, 10-rubber hemisphere, the 11-wire rope, the 12-wire rope pulley, the 13-rotating shaft, the two shaft worm reduction gears of 14-, 15-the second servomotor, the 16-balance staff, 17-balance staff arm, the 18-rolling bearing units, the 19-chain, the 20-towbar, the change of 21-steel wire, the 22-guide pillar, the 23-square shaft, 24-lifting rolling bearing units, 25-the first servomotor, 26-wood roller arm, the 27-semicanal, the 28-hinge.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: described flexible heating appliance dynamic loaded mechanical strength testing machine mainly is comprised of frame 1, rotation driving part, rolling bearing units 18, roller parts, idler wheel mechanism, roller hoisting gear, weight member, towbar parts and supporting electric cabinet.
As shown in Figure 1 and Figure 2, rotation driving part is arranged on frame 1 one ends, and rolling bearing units 18 are arranged on frame 1 other end by screw, and these rolling bearing units 18 adopt band square base roller bearing units; Described roller parts mainly are comprised of bolster 3 and roller 9, bolster 3 one ends are connected with rotation driving part, bolster 3 other end supportings are arranged in rolling bearing units 18, on described bolster 3, drive sprocket 4 is installed, roller 9 is contained on bolster 3 by bearing holder (housing, cover), roller 9 a plurality of rubber hemisphere 10 of the upper rules distribution in surface; Described idler wheel mechanism is arranged on above the roller parts, and idler wheel mechanism is used for matching with the roller parts; Described roller hoisting gear is arranged on frame 1 top, and the roller hoisting gear is used for idler wheel mechanism is risen or falls; Described roller parts below is provided be used to making detected product be subjected to heavy balance weight mechanism, square shaft 23 is installed on balance weight mechanism, described square shaft 23 is used for balance weight mechanism is hung at the detected product that is under the closed loop state, be set with chain 19 on drive sprocket 4 on described bolster 3, be installed with on chain 19 be used to the towbar parts that catch on detected product, the towbar parts are used for driving detected product and follow chain 19 rotations.
As shown in Figure 1 and Figure 2, described rotation driving part mainly is comprised of worm reduction gear 2 and the first servomotor 25, the first worm reduction gear 2 is arranged on frame 1, the first servomotor 25 is arranged on the first worm reduction gear 2 by joint flange, the output shaft of the first servomotor 25 is connected with the hollow input shaft of the first worm reduction gear 2, and the hollow output shaft of the first worm reduction gear 2 is connected with bolster 3.
As Fig. 1, shown in Figure 3, described idler wheel mechanism mainly is comprised of stationary shaft 6, wooden roll wheel assembly and balance staff 16, and stationary shaft 6 two supports are arranged in axle bed 5, and axle bed 5 is fixed on frame 1, and a plurality of wooden roll wheel assemblies are installed on stationary shaft 6; Single wooden roll wheel assembly is comprised of wooden roller 7, wooden roller shaft 8 and wooden roller arm 26, and wooden roller 7 is arranged on an end of wooden roller arm 26 by wooden roller shaft 8, and the other end of wooden roller arm 26 is fastened on stationary shaft 6; Described balance staff 16 two ends are connected with an end of a balance staff arm 17 respectively, and the other end of balance staff arm 17 is fastened on stationary shaft 6.
as Fig. 1, shown in Figure 3, described roller hoisting gear is mainly by the second servomotor 15, two shaft worm reduction gears 14, rotating shaft 13, wire rope pulley 12 and wire rope 11 form, two shaft worm reduction gears 14 are arranged on frame 1 center of top, the second servomotor 15 is arranged on two shaft worm reduction gears 14 by joint flange, two output shafts of two shaft worm reduction gears 14 are connection rotating shaft 13 1 ends respectively, the other end of every rotating shaft 13 is installed wire rope pulley 12, wire rope 11 1 ends are fixedly connected on wire rope pulley 12, the other end is walked around wire rope pulley 12 and is connected with balance staff 16 downwards.
As Fig. 1, shown in Figure 3, described balance weight mechanism mainly is comprised of lifting rolling bearing units 24 and guide pillar 22, two guide pillars 22 are installed respectively in described frame 1 bottom, two ends, lifting rolling bearing units 24 coordinate with guide pillar 22 by the pilot hole on it, lifting rolling bearing units 24 can be along guide pillar 22 liftings, and lifting rolling bearing units 24 adopt band plummer block housing roller bearing units; Described square shaft 23 is arranged on lifting rolling bearing units 24.
As shown in Figure 4, described towbar parts mainly are comprised of towbar 20, semicanal 27, hinge 28 and steel wire change 21, towbar 20 two ends are fastened on chain 19, semicanal 27 is fixed on towbar 20 by the screw anchor ear, semicanal 27 bottoms be welded with a plurality of on semicanal 27 length directions equally distributed hinge 28, described steel wire change 21 is through in hinge 28, is bent to form a plurality of suspension ring for the detected product of traction in steel wire change 21.
During concrete the application, detected sample (flexible heating device) is walked around roller 9 and square shaft 23, and sews up the formation closed loop; In the steel wire change 21 of end hook in the towbar parts with detected product, the first servomotor 25 is controlled by supporting electric cabinet, the first servomotor 25 drives worm reduction gear 2 runnings, worm reduction gear 2 drives bolster 3 and rotates, drive sprocket 4 on bolster 3 synchronously rotates and drives chain 19 runnings, and the towbar parts on chain 19 pull detected product motion; When the towbar parts arrive the idler wheel mechanism position with detected product, the second servomotor 15 drives two shaft worm reduction gear 14 runnings, two shaft worm reduction gears 14 drive wire rope pulley 12 and rotate, wire rope pulley 12 lay winding wire ropes 11 also upwards pull balance staff 16, balance staff 16 drives stationary shaft 6 and rotates, the wooden roll wheel assembly that stationary shaft 6 drives on it rises, and walks around above the roller parts to avoid the hindering towbar parts, and provides effective protection to idler wheel mechanism; After wooden roll wheel assembly on idler wheel mechanism rises, the towbar parts with detected product from the roller parts walk around backward under, in said process, detected product applies load by balance weight mechanism, and the surface is tested the physical strength reliability of detected product in detected product rotation process with the roller 9 of rubber hemisphere 10.
Claims (8)
1. flexible heating appliance dynamic loaded mechanical strength testing machine, is characterized in that: comprise frame (1), rotation driving part, rolling bearing units (18), roller parts, idler wheel mechanism, roller hoisting gear, weight member, towbar parts and supporting electric cabinet; Described frame (1) one end is installed rotation driving part, and frame (1) other end is installed rolling bearing units (18); Described roller parts comprise bolster (3) and roller (9), bolster (3) one ends are connected with rotation driving part, the supporting of bolster (3) other end is arranged in rolling bearing units (18), drive sprocket (4) is installed on bolster (3), roller (9) is contained on bolster (3) by bearing holder (housing, cover), the rule a plurality of rubber hemisphere (10) that distribute on roller (9) surface; Described idler wheel mechanism is arranged on above the roller parts, and idler wheel mechanism is used for matching with the roller parts; Described roller hoisting gear is arranged on frame (1) top, and the roller hoisting gear is used for idler wheel mechanism is risen or falls; Described roller parts below is provided be used to making detected product be subjected to heavy balance weight mechanism, square shaft (23) is installed on balance weight mechanism, described square shaft (23) is used for balance weight mechanism is hung at the detected product that is under the closed loop state, be set with chain (19) on drive sprocket (4) on described bolster (3), be installed with on chain (19) be used to the towbar parts that catch on detected product, the towbar parts are used for driving detected product and follow chain (19) rotation.
2. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 1, it is characterized in that: described rotation driving part comprises worm reduction gear (2) and the first servomotor (25), the first worm reduction gear (2) is arranged on frame (1), the first servomotor (25) is arranged on the first worm reduction gear (2) by joint flange, the output shaft of the first servomotor (25) is connected with the hollow input shaft of the first worm reduction gear (2), and the hollow output shaft of the first worm reduction gear (2) is connected with bolster (3).
3. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 1, it is characterized in that: described idler wheel mechanism comprises stationary shaft (6), wooden roll wheel assembly and balance staff (16), stationary shaft (6) two supports is arranged in axle bed (5), axle bed (5) is fixed on frame (1), and a plurality of wooden roll wheel assemblies are installed on stationary shaft (6); Single wooden roll wheel assembly comprises wooden roller (7), wooden roller shaft (8) and wooden roller arm (26), wood roller (7) is arranged on an end of wooden roller arm (26) by wooden roller shaft (8), the other end of wooden roller arm (26) is fastened on stationary shaft (6); Described balance staff (16) two ends are connected with an end of a balance staff arm (17) respectively, and the other end of balance staff arm (17) is fastened on stationary shaft (6).
4. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 3, it is characterized in that: described roller hoisting gear comprises the second servomotor (15), two shaft worm reduction gears (14), rotating shaft (13), wire rope pulley (12) and wire rope (11), two shaft worm reduction gears (14) are arranged on frame (1) center of top, the second servomotor (15) is arranged on two shaft worm reduction gears (14) by joint flange, two output shafts of two shaft worm reduction gears (14) are connection rotating shaft (13) one ends respectively, the other end of every rotating shaft (13) is installed wire rope pulley (12), wire rope (11) one ends are fixedly connected on wire rope pulley (12), the other end is walked around wire rope pulley (12) and is connected with balance staff (16) downwards.
5. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 1, it is characterized in that: described balance weight mechanism comprises lifting rolling bearing units (24) and guide pillar (22), two guide pillars (22) are installed respectively in described frame (1) bottom, two ends, lifting rolling bearing units (24) coordinate with guide pillar (22) by the pilot hole on it, lifting rolling bearing units (24) can be along guide pillar (22) lifting, and described square shaft (23) is arranged on lifting rolling bearing units (24).
6. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 1, it is characterized in that: described towbar parts comprise towbar (20), semicanal (27), hinge (28) and steel wire change (21), towbar (20) two ends are fastened on chain (19), semicanal (27) anchor ear is fixed on towbar (20), semicanal (27) bottom be welded with a plurality of on semicanal (27) length direction equally distributed hinge (28), described steel wire change (21) is through in hinge (28), be bent to form a plurality of suspension rings for the detected product of traction in steel wire change (21).
7. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 1 is characterized in that: what described rolling bearing units (18) adopted is band square base roller bearing units.
8. flexible heating appliance dynamic loaded mechanical strength testing machine as claimed in claim 5 is characterized in that: what described lifting rolling bearing units (24) adopted is band plummer block housing roller bearing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110341922 CN102445392B (en) | 2011-11-02 | 2011-11-02 | Flexible heating appliance mechanical strength testing machine with dynamic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110341922 CN102445392B (en) | 2011-11-02 | 2011-11-02 | Flexible heating appliance mechanical strength testing machine with dynamic load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102445392A CN102445392A (en) | 2012-05-09 |
| CN102445392B true CN102445392B (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110341922 Expired - Fee Related CN102445392B (en) | 2011-11-02 | 2011-11-02 | Flexible heating appliance mechanical strength testing machine with dynamic load |
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| CN (1) | CN102445392B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998134A (en) * | 2012-11-21 | 2013-03-27 | 陈伟 | Dynamic load tester of electric warming pad |
| CN106744420A (en) * | 2016-12-09 | 2017-05-31 | 无锡银联齿轮传动机械有限公司 | Automatic brake board cleaning machine gate lift drive mechanism |
| CN109665339B (en) * | 2019-02-18 | 2023-10-20 | 江西中钰机械有限公司 | Goods handling device for truck carriage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003014730A3 (en) * | 2001-08-07 | 2003-10-16 | United Wire Ltd | Method and apparatus for testing flexibility of woven wire-cloth |
| CN201335800Y (en) * | 2008-11-04 | 2009-10-28 | 上海瑞纺仪器有限公司 | Mechanical stocking stretching tester |
| CN101788428A (en) * | 2010-01-25 | 2010-07-28 | 上海瑞纺仪器有限公司 | underwear stretching apparatus |
| CN202403980U (en) * | 2011-11-02 | 2012-08-29 | 江苏检验检疫机电产品检测中心 | Dynamic load mechanical strength tester of flexible heater |
-
2011
- 2011-11-02 CN CN 201110341922 patent/CN102445392B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003014730A3 (en) * | 2001-08-07 | 2003-10-16 | United Wire Ltd | Method and apparatus for testing flexibility of woven wire-cloth |
| CN201335800Y (en) * | 2008-11-04 | 2009-10-28 | 上海瑞纺仪器有限公司 | Mechanical stocking stretching tester |
| CN101788428A (en) * | 2010-01-25 | 2010-07-28 | 上海瑞纺仪器有限公司 | underwear stretching apparatus |
| CN202403980U (en) * | 2011-11-02 | 2012-08-29 | 江苏检验检疫机电产品检测中心 | Dynamic load mechanical strength tester of flexible heater |
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| CN102445392A (en) | 2012-05-09 |
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Granted publication date: 20130515 Termination date: 20131102 |