CN103175684B - Electro-hydraulic loading device for reducer test - Google Patents

Electro-hydraulic loading device for reducer test Download PDF

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Publication number
CN103175684B
CN103175684B CN201310042776.5A CN201310042776A CN103175684B CN 103175684 B CN103175684 B CN 103175684B CN 201310042776 A CN201310042776 A CN 201310042776A CN 103175684 B CN103175684 B CN 103175684B
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CN
China
Prior art keywords
loading
speed reduction
reduction unit
electric liquid
cylinder
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CN201310042776.5A
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Chinese (zh)
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CN103175684A (en
Inventor
李勇
申允德
马光
成泰洪
任明
玄东吉
李振哲
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温州大学
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Publication of CN103175684A publication Critical patent/CN103175684A/en
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Publication of CN103175684B publication Critical patent/CN103175684B/en

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Abstract

The invention discloses an electro-hydraulic loading device for a reducer test. The electro-hydraulic loading device comprises a base (14). A driving motor (1), a first coupler (2), a torque angle displacement sensor (3) of a reducer input end, a second coupler (4), the to-be-tested reducer (5), a third coupler (6), a torque angle displacement sensor (7) of a reducer output end and an electro-hydraulic loading mechanism (8) are kept horizontally coaxial and connected in sequence are arranged on the base (14). The electro-hydraulic loading mechanism (8) comprises a loading cylinder (15) which is provided with a spindle (16) with a brake disc (17). The loading cylinder (15) is sequentially connected with an energy accumulator (18), a switching valve (19), a check valve (20), a hydraulic pump (21), a filter (22) and an oil tank (23), and the check valve (20) is further connected with an overflow valve (24). The electro-hydraulic loading device for the reducer test is adaptable to the reducer test for a large torque efficient robot, also capable of testing a single reducer each time; and is stable in loading performance and convenient to use.

Description

A kind of electric liquid charger for speed reduction unit test

Technical field

The present invention relates to a kind of electric liquid charger, particularly a kind of electric liquid charger for the speed reduction unit performance test of high pulling torque high-level efficiency robot.

Background technology

Along with improving constantly of China's scientific and technical innovation level and the market demand, industry-by-industry such as the performances of field to robot speed reduction unit such as industrial robot, Aero-Space, industrial automation are had higher requirement.Recently, a kind of compound rolling free gear gearing speed-reducer of high pulling torque high-accuracy high-efficiency rate is developed.Performance test for this kind of speed reduction unit processed needs to carry out the load test under nominal torque, the method of current common test is: adopt magnetic powder brake to realize loading, structure is simple, it is convenient to control, but it is larger for magnetic powder brake volume during high pulling torque speed reduction unit loading test, heating is serious, and loading performance poor stability.Also a kind of box-shaped sealing power streaming testing device for reducer is proposed, the associated technical parameters of energy Validity Test high pulling torque large speed ratio speed reduction unit, but need to install simultaneously initiatively, driven two speed reduction units test, the technical parameter of separate unit high-level efficiency speed reduction unit cannot be obtained, use more inconvenient.

Summary of the invention

The object of the invention is to, a kind of electric liquid charger for speed reduction unit test is provided.The test of the present invention's applicable high pulling torque high-level efficiency robot speed reduction unit, and can test by separate unit, loading performance is stablized, easy to use.

Technical scheme of the present invention: a kind of electric liquid charger for speed reduction unit test, it is characterized in that: comprise base, base is provided with the drive motor that maintenance level is connected coaxially and successively, first shaft coupling, speed reduction unit input end moment of torsion angular displacement sensor, second shaft coupling, wait to try speed reduction unit, 3rd shaft coupling, speed reduction unit output terminal moment of torsion angular displacement sensor and electric liquid load maintainer, electricity liquid load maintainer comprises loading cylinder, load the rotating shaft being provided with band brake dish in cylinder, load cylinder and be connected with accumulator in turn, switch valve, retaining valve, hydraulic pump, filtrator, fuel tank, retaining valve is also connected with surplus valve.

In aforesaid electric liquid charger, described drive motor, speed reduction unit input end moment of torsion angular displacement sensor, treat examination speed reduction unit, speed reduction unit output terminal moment of torsion angular displacement sensor, electric liquid load maintainer respectively by electric machine support, the first support, treat examination reducer stent, the second support, electric liquid load support be fixed on base.

In aforesaid electric liquid charger, described loading cylinder comprises hydraulic cylinder and is arranged on the loading plunger in hydraulic cylinder through O-ring seal, hydraulic cylinder is provided with the bearing seat be fixed on electric liquid loading support through web joint, bearing is provided with in bearing seat, rotating shaft installed by bearing, and described web joint is provided with the oil circuit interface be communicated with hydraulic cylinder.

In aforesaid electric liquid charger, described hydraulic cylinder inside is provided with C shape passage, and C shape passage two ends are symmetrical arranged loading plunger.

In aforesaid electric liquid charger, described loading cylinder is one or more.

In aforesaid electric liquid charger, described surplus valve is electromagnetic proportion relief valve.

In aforesaid electric liquid charger, described switch valve is two-position three-way electromagnetic switch valve.

Compared with prior art, the present invention by by specific electric liquid load maintainer by multiple shaft coupling with drive motor, moment of torsion angular displacement sensor with wait that trying speed reduction unit is connected, compact conformation is simple, loading moment of torsion is large, stable performance, be applicable to high pulling torque high efficiency robot speed reduction unit Test Application, and obtain the technical parameter of separate unit high-level efficiency speed reduction unit, loading performance is stablized, easy to use.Also adopt electromagnetic proportion relief valve, passing ratio voltage signal inputs, and can realize testing the ratio loading moment of torsion and control, can reduce pressure fluctuation, improving the stability of loading performance by arranging accumulator.The quantity of cylinder is loaded by changing, can the size of controlled loading moment of torsion, can also balance quality be improved simultaneously.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the schematic diagram of electric liquid load maintainer;

Fig. 3 is the schematic diagram loading cylinder;

Fig. 4 is the schematic diagram that electric liquid loads support.

Being labeled as in accompanying drawing: 1-drive motor, 2-first shaft coupling, 3-speed reduction unit input end moment of torsion angular displacement sensor, 4-second shaft coupling, 5-waits to try speed reduction unit, 6-the 3rd shaft coupling, 7-speed reduction unit output terminal moment of torsion angular displacement sensor, 8-electricity liquid load maintainer, 9-electricity liquid loads support, 10-electric machine support, 11-first support, 12-waits to try reducer stent, 13-second support, 14-base, 15-loads cylinder, 16-rotating shaft, 17-brake disc, 18-accumulator, 19-switch valve, 20-retaining valve, 21-hydraulic pump, 22-filtrator, 23-fuel tank, 24-surplus valve, 25-hydraulic cylinder, 26-oil circuit interface, 27-O-ring seal, 28-loads plunger, 29-bearing, 30-bearing seat, 31-web joint.

Embodiment

Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.

Embodiment.A kind of electric liquid charger for speed reduction unit test, form as Figure 1-4, comprise base 14, base 14 is provided with the drive motor 1 that maintenance level is connected coaxially and successively, first shaft coupling 2, speed reduction unit input end moment of torsion angular displacement sensor 3, second shaft coupling 4, wait to try speed reduction unit 5, 3rd shaft coupling 6, speed reduction unit output terminal moment of torsion angular displacement sensor 7 and electric liquid load maintainer 8, electricity liquid load maintainer 8 comprises loading cylinder 15, load the rotating shaft 16 being provided with band brake dish 17 in cylinder 15, load cylinder 15 and be connected with accumulator 18 in turn, switch valve 19, retaining valve 20, hydraulic pump 21, filtrator 22, fuel tank 23, retaining valve 20 is also connected with surplus valve 24.Described drive motor 1 can be permanent-magnet alternating current servo motor, and response is fast, rotating speed and position control accuracy high, be applicable to high pulling torque retarder in working state; Treat that examination speed reduction unit is CORT 320E compound rolling free gear speed reduction unit, nominal torque is 3136Nm.

Described drive motor 1, speed reduction unit input end moment of torsion angular displacement sensor 3, treat examination speed reduction unit 5, speed reduction unit output terminal moment of torsion angular displacement sensor 7, electric liquid load maintainer 8 respectively by electric machine support 10, first support 11, treat examination reducer stent 12, second support 13, electric liquid loads support 9 and is fixed on base 14.

Described loading cylinder 15 comprises hydraulic cylinder 25 and is arranged on the loading plunger 28 in hydraulic cylinder 25 through O-ring seal 27, hydraulic cylinder 25 is provided with the bearing seat 30 be fixed on electric liquid loading support 9 through web joint 31, bearing 29 is provided with in bearing seat 30, bearing 29 is installed rotating shaft 16, described web joint 31 is provided with the oil circuit interface 26 be communicated with hydraulic cylinder 25.Described hydraulic cylinder 25 inside is provided with C shape passage, and C shape passage two ends are symmetrical arranged and load plunger 28.Described loading plunger 28 adopts abrasives to make, and has good hydraulic pressure transfer and heat-sinking capability.

Described loading cylinder 15 is one or more, loads the quantity of cylinder by changing, can the size of controlled loading moment of torsion, can also improve balance quality simultaneously.

Described surplus valve 24 is electromagnetic proportion relief valves.

Described switch valve 19 is two-position three-way electromagnetic switch valves.

Its principle of work is: the fluid in fuel tank 23 is through filter 22 by hydraulic pump 21 pressure oil output, and successively by retaining valve 20, switch valve 19, controlled loading cylinder 15 works.Switch valve 19 is two-position three-way electromagnetic switch valve, loads, unload during no power during energising.Accumulator 18 is arranged on switch valve 19 and loads between cylinder 15, can reduce pressure fluctuation, improves the stability of loading performance.Retaining valve 20 is arranged between hydraulic pump 21 and switch valve 19, and prevent fluid from flowing backward to hydraulic pump 21, available protecting hydraulic pump 21 normally works.The parallel branch that the intermediate node that surplus valve 24 is arranged on hydraulic pump 21 and retaining valve 20 exports, for electromagnetic proportion relief valve, pressure scope of compromise in embodiment is 0-10MPa, is inputted by 0-10V proportional voltage signal, can realize testing the ratio loading moment of torsion and control.Electricity liquid load maintainer compact conformation, loading moment of torsion are large, stable performance, are applicable to high pulling torque high efficiency robot speed reduction unit Test Application.

Claims (5)

1. the electric liquid charger for speed reduction unit test, it is characterized in that: comprise base (14), base (14) is provided with the drive motor (1) that maintenance level is connected coaxially and successively, first shaft coupling (2), speed reduction unit input end moment of torsion angular displacement sensor (3), second shaft coupling (4), treat examination speed reduction unit (5), 3rd shaft coupling (6), speed reduction unit output terminal moment of torsion angular displacement sensor (7) and electric liquid load maintainer (8), electricity liquid load maintainer (8) comprises loading cylinder (15), load the rotating shaft (16) being provided with band brake dish (17) in cylinder (15), load cylinder (15) and be connected with accumulator (18) in turn, switch valve (19), retaining valve (20), hydraulic pump (21), filtrator (22), fuel tank (23), retaining valve (20) is also connected with surplus valve (24),
Described drive motor (1), speed reduction unit input end moment of torsion angular displacement sensor (3), treat examination speed reduction unit (5), speed reduction unit output terminal moment of torsion angular displacement sensor (7), electric liquid load maintainer (8) respectively by electric machine support (10), the first support (11), treat examination reducer stent (12), the second support (13), electric liquid load support (9) be fixed on base (14);
Described loading cylinder (15) comprises hydraulic cylinder (25) and is arranged on the loading plunger (28) in hydraulic cylinder (25) through O-ring seal (27), hydraulic cylinder (25) is provided with the bearing seat (30) be fixed on electric liquid loading support (9) through web joint (31), bearing (29) is provided with in bearing seat (30), bearing (29) is installed rotating shaft (16), described web joint (31) is provided with the oil circuit interface (26) be communicated with hydraulic cylinder (25).
2. electric liquid charger according to claim 1, is characterized in that: described hydraulic cylinder (25) inside is provided with C shape passage, and C shape passage two ends are symmetrical arranged and load plunger (28).
3. electric liquid charger according to claim 1, is characterized in that: described loading cylinder (15) is one or more.
4. the electric liquid charger according to the arbitrary claim of claim 1-3, is characterized in that: described surplus valve (24) is electromagnetic proportion relief valve.
5. the electric liquid charger according to the arbitrary claim of claim 1-3, is characterized in that: described switch valve (19) is two-position three-way electromagnetic switch valve.
CN201310042776.5A 2013-01-31 2013-01-31 Electro-hydraulic loading device for reducer test CN103175684B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310042776.5A CN103175684B (en) 2013-01-31 2013-01-31 Electro-hydraulic loading device for reducer test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310042776.5A CN103175684B (en) 2013-01-31 2013-01-31 Electro-hydraulic loading device for reducer test

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CN103175684B true CN103175684B (en) 2015-06-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103528818B (en) * 2013-11-04 2015-10-14 株洲高精传动技术有限公司 A kind of electric synchronization loader
CN105628354B (en) * 2014-11-28 2019-02-15 重庆西山科技股份有限公司 Operation power device performance testing device
CN104792518A (en) * 2015-04-07 2015-07-22 上海大学 Testing machine for testing variable load reducer for washing machines
CN105241664B (en) * 2015-11-18 2018-01-09 南京康尼机电股份有限公司 A kind of test device that performance detection is integrated suitable for polytypic precision speed reduction device
CN105716862A (en) * 2016-04-11 2016-06-29 四川志方科技有限公司 Transmission error testing device for RV reducer
CN106197998A (en) * 2016-07-06 2016-12-07 黄山良业阀门有限公司 Decelerator transmission efficiency test device
CN106248273B (en) * 2016-09-05 2018-11-23 北京理工大学 A kind of measuring device suitable for a variety of motor micro-torques
CN106855462B (en) * 2016-12-19 2019-03-26 北京航空航天大学 A kind of Combined Loading device for robot joint speed reducer performance test
CN106525422B (en) * 2016-12-22 2019-04-19 重庆川仪自动化股份有限公司 Rotary executing agency's transmission efficiency test equipment

Citations (5)

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Publication number Priority date Publication date Assignee Title
SU994950A1 (en) * 1980-11-10 1983-02-07 Московский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.В.Куйбышева Vehicle transmission testing stand
CN2852100Y (en) * 2005-12-23 2006-12-27 中国矿业大学 Hydraulic system of high-speed wire rope and gasket friction experiment machine
CN201514321U (en) * 2009-10-13 2010-06-23 湖北行星传动设备有限公司 Performance test bench for speed reducer
CN101871478A (en) * 2010-07-07 2010-10-27 金碧华 Loading device of hydraulic motor test board
CN101876590A (en) * 2009-12-04 2010-11-03 华中科技大学 Comprehensive performance test table for water-lubricated dynamic-static pressure radial sliding bearing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU994950A1 (en) * 1980-11-10 1983-02-07 Московский Ордена Трудового Красного Знамени Инженерно-Строительный Институт Им.В.В.Куйбышева Vehicle transmission testing stand
CN2852100Y (en) * 2005-12-23 2006-12-27 中国矿业大学 Hydraulic system of high-speed wire rope and gasket friction experiment machine
CN201514321U (en) * 2009-10-13 2010-06-23 湖北行星传动设备有限公司 Performance test bench for speed reducer
CN101876590A (en) * 2009-12-04 2010-11-03 华中科技大学 Comprehensive performance test table for water-lubricated dynamic-static pressure radial sliding bearing
CN101871478A (en) * 2010-07-07 2010-10-27 金碧华 Loading device of hydraulic motor test board

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