CN105223015A - A kind of low-speed big inertia brake test unit with speed reduction unit - Google Patents
A kind of low-speed big inertia brake test unit with speed reduction unit Download PDFInfo
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- CN105223015A CN105223015A CN201510755783.9A CN201510755783A CN105223015A CN 105223015 A CN105223015 A CN 105223015A CN 201510755783 A CN201510755783 A CN 201510755783A CN 105223015 A CN105223015 A CN 105223015A
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Abstract
The present invention relates to a kind of low-speed big inertia brake test unit with speed reduction unit, in a pair affixed speed end mounting seat of high speed shaft bearing, high speed shaft runs through installs each high speed shaft bearing, the high speed shaft being positioned at two high speed shaft bearings arranges inertia disc group, and one end that high speed shaft stretches out high speed shaft bearing connects motor by motor coupler; The other end of high speed shaft bearing is stretched out by intermediate shaft coupling connection reducer in high speed shaft, speed reduction unit is fixed in low speed end mounting seat, also affixed equipment mounting platform and slow-speed shaft erection support in low speed end mounting seat, slow-speed shaft erection support connects one end of slow-speed shaft, the other end connection reducer of slow-speed shaft; Also brake disc is connected on slow-speed shaft.The present invention is rational in infrastructure, utilizes the present invention can test out the dynamic brake force moment of low-speed big inertia brake accurately, utilizes adjustable inertia disc group can be combined into many group inertia and be amplified by speed reduction unit, can obtain the required maximum inertia of test.
Description
Technical field
The present invention relates to detent testing equipment, particularly relate to a kind of low-speed big inertia brake test unit with speed reduction unit.
Background technology
Low-speed big inertia brake is a kind of high-power clamping device on slow-speed shaft, be widely used in big-and-middle-sized crane, port loading and unloading machinery hoist and jib face upward mechanism's slow-speed shaft emergency safety braking.In prior art, common low-speed big inertia brake, the clamping device of its detent is made up of high performance grinding liner, retarding spring and the hydraulic cylinder be arranged on base.When brake operation, hydraulic oil produces axle pressure after entering oil cylinder, and spring shaft is moved and compression brake spring, friction disc is opened, and friction disc is in relaxed state, and brake disc can normal rotation.After detent breaks oil pressure dissipates, axle pressure disappears, and friction disc resets under the effect of retarding spring, with brake disc, produces dynamic friction torque, forces mechanism's stall immediately.Moment of friction is the build-in attribute after detent regulates, and is the important indicator of low-speed big inertia brake security performance, and therefore, low-speed big inertia brake dynamic force moment is the important indicator of its performance of inspection.But in reality detects, because the required inertia of test is very large, general device cannot simulate so large moment of inertia, cannot detect this important indicator.
Summary of the invention
The applicant is for above-mentioned existing issue, be studied improvement, a kind of low-speed big inertia brake test unit with speed reduction unit is provided, utilize the present invention can measure the dynamic force moment curve of low-speed big inertia brake quickly and easily, draw the maximum braking moment under detent is in working order, easy to use and reliable.
The technical solution adopted in the present invention is as follows:
A kind of low-speed big inertia brake test unit with speed reduction unit, comprise speed end mounting seat, a pair high speed shaft bearing by securing member and described speed end mounting seat affixed, high speed shaft is run through by bearing installs each high speed shaft bearing, the high speed shaft being positioned at two high speed shaft bearings arranges inertia disc group, one end that described high speed shaft stretches out high speed shaft bearing connects motor by motor coupler, and described motor is connected with photoelectric encoder; The other end of high speed shaft bearing is stretched out by intermediate shaft coupling connection reducer in described high speed shaft, described speed reduction unit is fixed in low speed end mounting seat, also by the affixed equipment mounting platform of securing member and slow-speed shaft erection support in described low speed end mounting seat, described slow-speed shaft erection support connects one end of slow-speed shaft by bearing, and the other end of described slow-speed shaft is by low speed end shaft coupling connection reducer; Also brake disc is connected by securing member on described slow-speed shaft.
Its further technical scheme is:
Described inertia disc group is made up of the inertia disc of 3 groups of 6 different sizes, and each inertia disc utilizes inertia disc to drive oil cylinder to carry out driving cooperation, and described inertia disc is bolted on the inertia disc adjustment flange on high speed shaft;
Speed reduction unit adopts Heavy-Duty Cylindrical Gear speed reduction unit;
Described intermediate shaft coupling adopts high pulling torque drum type gear coupling;
Also arrange on described slow-speed shaft bearing for making slow-speed shaft bearing along the support handwheel of guide rod movement.
Beneficial effect of the present invention is as follows:
The present invention is rational in infrastructure, easy for installation, utilize the present invention can test out the dynamic brake force moment of low-speed big inertia brake accurately, utilize adjustable inertia disc group can be combined into many group inertia and be amplified by speed reduction unit, the required maximum inertia of test can be obtained.The present invention adopts inertia disc group combination flexibly and digitized measurement, the dynamic brake force moment of the low-speed big inertia brake of different size can be tested out fast and accurately, draw out dynamic brake force moment curve, testing table weight 70% can be reduced compared with traditional direct-drive type testing table.The design of support handwheel saves artificial and brake disc replacing construction greatly, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1, equipment mounting platform; 2, slow-speed shaft bearing; 3, brake disc; 4, slow-speed shaft; 5, low speed end shaft coupling; 6, low speed end mounting seat; 7, speed reduction unit; 8, intermediate shaft coupling; 9, high speed shaft bearing; 10, inertia disc group; 11, inertia disc adjustment flange; 12, high speed shaft; 13, inertia disc drives oil cylinder; 14, speed end mounting seat; 15, motor coupler; 16, motor; 17, photoelectric encoder; 18, support handwheel; 1801, guide rod.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of low-speed big inertia brake test unit with speed reduction unit comprises speed end mounting seat 14, a pair high speed shaft bearing 9 by securing member and speed end mounting seat 14 affixed, high speed shaft 12 is run through by bearing installs each high speed shaft bearing 9, the high speed shaft 12 being positioned at two high speed shaft bearings 9 arranges inertia disc group 10, inertia disc group 10 is made up of the inertia disc of 3 groups of 6 different sizes, each inertia disc utilizes inertia disc to drive oil cylinder 13 to carry out driving cooperation, and inertia disc is bolted on the inertia disc adjustment flange 11 on high speed shaft 12.Utilize the inertia disc of different size can be combined into multiple inertia.One end that high speed shaft 12 stretches out high speed shaft bearing 9 connects motor 16 by motor coupler 15, and motor 16 is connected with photoelectric encoder 17; The other end of high speed shaft bearing 9 is stretched out by intermediate shaft coupling 8 connection reducer 7 in high speed shaft 12, speed reduction unit 7 is fixed in low speed end mounting seat 6, also by the affixed equipment mounting platform 1 of securing member and slow-speed shaft erection support 2 in low speed end mounting seat 6, slow-speed shaft erection support 2 connects one end of slow-speed shaft 4 by bearing, and the other end of slow-speed shaft 4 is by low speed end shaft coupling 5 connection reducer 7; Also brake disc 3 is connected by securing member on slow-speed shaft 4.Above-mentioned speed reduction unit 7 adopts Heavy-Duty Cylindrical Gear speed reduction unit, and it can transmit larger torque.Above-mentioned intermediate shaft coupling 8 adopts high pulling torque drum type gear coupling.Also arrange on slow-speed shaft bearing 2 for making slow-speed shaft bearing 2 along the support handwheel 18 of guide rod 1801 movement.
Concrete use procedure of the present invention is as follows:
Brake test device is arranged on equipment mounting platform 1 by bolt and pressing plate, adjusts the gap between brake test device and brake disc 3 simultaneously.Brake test device is connected with hydraulic system and by plant-grid connection system, completes the installation of test unit.
Before carrying out low-speed big inertia brake dynamic torque tests, according to detent customization kinetic moment size, rotating speed, utilize inertia disc to drive oil cylinder 13 to adjust the inertia disc group 10 of brake test device, obtain the required total inertia of test.Be arranged on by tested brake test device on equipment mounting platform 1, the adjustment height of brake test device and the gap of brake test device and brake disc 3, guarantee that tested brake test device has good contact area.Brake hydraulic device is energized, releasing of brake, motor 16 is energized and drives experimental provision to reach rated speed, motor 16 and the power-off simultaneously of brake hydraulic device, brake bush contacts with brake disc 3 and produces braking moment brake test device is stopped operating, record rotation speed change by photoelectric encoder 17, calculated the dynamic brake force moment of detent by computing machine by data such as braking time, total inertia sizes.In process of the test, the inertia disc group 10 of record brake test device is converted into low speed end moment of inertia in the size of low speed end by speed reduction unit 7 ratio of gear, run motor 16, after reaching required stabilization of speed, by motor 16 and the power-off simultaneously of brake hydraulic device, speed and the time variations of each time period is recorded by photoelectric encoder 17, low speed end rotating speed is converted into by computing machine, calculate acceleration magnitude and calculate braking moment change, draw out dynamic force moment curve, thus obtain the maximum braking moment of this detent.
When brake disc 3 needs to change, by unclamping the bolt of slow-speed shaft bearing 2, remove the annexation between slow-speed shaft bearing 2 and equipment mounting platform 1, by swinging mounting handwheel 18, make low speed rotation shaft stool 2 along guide rod 1801 outwards movement, the fastening bolt of take-off the brake dish 3, brake disc 3 is taken out another brake disc of rear installation, fixed by fastening bolt, and then swinging mounting handwheel 18, be bolted after slow-speed shaft bearing 2 is resetted.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention is see claim, and when without prejudice to basic structure of the present invention, the present invention can do any type of amendment.
Claims (5)
1. the low-speed big inertia brake test unit with speed reduction unit, it is characterized in that: comprise speed end mounting seat (14), a pair high speed shaft bearing (9) by securing member and described speed end mounting seat (14) affixed, high speed shaft (12) is run through by bearing installs each high speed shaft bearing (9), the high speed shaft (12) being positioned at two high speed shaft bearings (9) arranges inertia disc group (10), one end that described high speed shaft (12) stretches out high speed shaft bearing (9) connects motor (16) by motor coupler (15), described motor (16) is connected with photoelectric encoder (17), the other end of high speed shaft bearing (9) is stretched out by intermediate shaft coupling (8) connection reducer (7) in described high speed shaft (12), described speed reduction unit (7) is fixed in low speed end mounting seat (6), also by the affixed equipment mounting platform (1) of securing member and slow-speed shaft erection support (2) on described low speed end mounting seat (6), described slow-speed shaft erection support (2) connects one end of slow-speed shaft (4) by bearing, the other end of described slow-speed shaft (4) is by low speed end shaft coupling (5) connection reducer (7), also brake disc (3) is connected by securing member on described slow-speed shaft (4).
2. a kind of low-speed big inertia brake test unit with speed reduction unit as claimed in claim 1, it is characterized in that: described inertia disc group (10) is made up of the inertia disc of 3 groups of 6 different sizes, each inertia disc utilizes inertia disc to drive oil cylinder (13) to carry out driving cooperation, and described inertia disc is bolted in inertia disc adjustment flange (11) on high speed shaft (12).
3. a kind of low-speed big inertia brake test unit with speed reduction unit as claimed in claim 1, is characterized in that: speed reduction unit (7) adopts Heavy-Duty Cylindrical Gear speed reduction unit.
4. a kind of low-speed big inertia brake test unit with speed reduction unit as claimed in claim 1, is characterized in that: described intermediate shaft coupling (8) adopts high pulling torque drum type gear coupling.
5. a kind of low-speed big inertia brake test unit with speed reduction unit as claimed in claim 1, is characterized in that: on described slow-speed shaft bearing (2), also arrange the support handwheel (18) being used for making slow-speed shaft bearing (2) along guide rod (1801) movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755783.9A CN105223015A (en) | 2015-11-09 | 2015-11-09 | A kind of low-speed big inertia brake test unit with speed reduction unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510755783.9A CN105223015A (en) | 2015-11-09 | 2015-11-09 | A kind of low-speed big inertia brake test unit with speed reduction unit |
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| CN105223015A true CN105223015A (en) | 2016-01-06 |
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| CN201510755783.9A Pending CN105223015A (en) | 2015-11-09 | 2015-11-09 | A kind of low-speed big inertia brake test unit with speed reduction unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441663A (en) * | 2016-10-20 | 2017-02-22 | 浙江工业大学 | Method and device for performing rotary shaft destructive test by inertia discs |
| CN106482957A (en) * | 2016-12-15 | 2017-03-08 | 广西柳工机械股份有限公司 | Drive axle immobilization test system |
| CN106525604A (en) * | 2016-10-20 | 2017-03-22 | 浙江工业大学 | Inertia disc mutual impinging type destructive test method and device for rotary shaft |
| CN106644752A (en) * | 2016-10-20 | 2017-05-10 | 浙江工业大学 | Method of performing destructive test to rotation shaft by means of double inertia disk and apparatus thereof |
| CN106768587A (en) * | 2017-03-09 | 2017-05-31 | 江苏省特种设备安全监督检验研究院 | Device and method for testing static braking force of low-speed shaft brake energy efficiency test |
| CN107271165A (en) * | 2017-06-23 | 2017-10-20 | 同济大学 | Frequency conversion loads intelligent brake device test system and its method of testing |
| CN110132589A (en) * | 2019-06-14 | 2019-08-16 | 哈工大机器人（合肥）国际创新研究院 | A kind of testing stand in moment of flexure adjustable test speed reducer service life |
| CN111366364A (en) * | 2020-04-13 | 2020-07-03 | 中国人民解放军63921部队 | Method and device for testing performance of brake for low-speed heavy-load equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441663A (en) * | 2016-10-20 | 2017-02-22 | 浙江工业大学 | Method and device for performing rotary shaft destructive test by inertia discs |
| CN106525604A (en) * | 2016-10-20 | 2017-03-22 | 浙江工业大学 | Inertia disc mutual impinging type destructive test method and device for rotary shaft |
| CN106644752A (en) * | 2016-10-20 | 2017-05-10 | 浙江工业大学 | Method of performing destructive test to rotation shaft by means of double inertia disk and apparatus thereof |
| CN106482957A (en) * | 2016-12-15 | 2017-03-08 | 广西柳工机械股份有限公司 | Drive axle immobilization test system |
| CN106768587A (en) * | 2017-03-09 | 2017-05-31 | 江苏省特种设备安全监督检验研究院 | Device and method for testing static braking force of low-speed shaft brake energy efficiency test |
| CN107271165A (en) * | 2017-06-23 | 2017-10-20 | 同济大学 | Frequency conversion loads intelligent brake device test system and its method of testing |
| CN110132589A (en) * | 2019-06-14 | 2019-08-16 | 哈工大机器人（合肥）国际创新研究院 | A kind of testing stand in moment of flexure adjustable test speed reducer service life |
| CN110132589B (en) * | 2019-06-14 | 2024-05-17 | 安徽哈工湛庐科技装备有限公司 | Test bench for testing service life of speed reducer with adjustable bending moment |
| CN111366364A (en) * | 2020-04-13 | 2020-07-03 | 中国人民解放军63921部队 | Method and device for testing performance of brake for low-speed heavy-load equipment |
| CN111366364B (en) * | 2020-04-13 | 2021-12-24 | 中国人民解放军63921部队 | Method and device for testing performance of brake for low-speed heavy-load equipment |
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Application publication date: 20160106 |
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