CN102680216B - Indoor test and detection device for electrical hydraulic propeller - Google Patents
Indoor test and detection device for electrical hydraulic propeller Download PDFInfo
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- CN102680216B CN102680216B CN201210104304.3A CN201210104304A CN102680216B CN 102680216 B CN102680216 B CN 102680216B CN 201210104304 A CN201210104304 A CN 201210104304A CN 102680216 B CN102680216 B CN 102680216B
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- elevating mechanism
- frame
- pusher
- detection device
- propeller
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Abstract
The invention discloses an indoor test and detection device for an electrical hydraulic propeller. The indoor test and detection device comprises a frame, a lifting mechanism, a position sensor and an electric control test system, wherein the bottom of the frame is provided with a propeller mounting seat, and a track component for the lifting mechanism to go up and down is arranged on the frame; a propeller head connecting block is arranged on the lifting mechanism, and weights are arranged on the lifting mechanism by hanging; the position sensor is used for detecting a lifting displacement of the lifting mechanism; and the electric control test system is used for simulating an actual working condition and carrying out propelling control on the propeller so as to detect out technical properties of the propeller. The indoor test and detection device has the advantages of simplicity and convenience in operation, reliable data, manpower and material resource conversation and the like.
Description
Technical field
The invention belongs to the test detecting equipment of electro hydraulicthruster, especially relate to a kind of shop experiment pick-up unit of electro hydraulicthruster.
Background technology
Power hydraulic pressure block brake is a very important ingredient of safety control, is widely used in the machineries such as lifting, metallurgy, mine, harbour, building.Power hydraulic pressure block brake comprises that electro hydraulicthruster and block brake frame two parts form.Relate to the subjects such as machinery, fluid mechanics, hydraulic pressure, electromagnetism.Its principle of work is that the electric energy by drive unit becomes mechanical energy, by vane rotary, makes in cylinder body liquid stream form high-low pressure chamber and promotes piston and move upward, thereby by leverage, vertical movement is transformed into swinging of brake arm, completes and declutches.The main subsidiary function of product is moved back apart from automatic impartial device, and technical work principle is by equidistantly device is rigidly connected with brake arm, and the transmission by left and right connecting plate keeps both sides to move back apart from automatically impartial when brake arm is opened.The use of electro hydraulicthruster makes this product have the advantages such as lightweight, noise is little, perfect heat-dissipating, work quality are stable.
The electro hydraulicthruster type approval test platform that at present China detent manufacturing firm is used mostly is relay control mode, and which has that its inherent defect is as high in complex circuit, failure rate, function singleness and test figure can not record automatically etc.Particularly when doing pusher durability test, because of its operating frequency high (>=1500 times/h), test period long (general continuous more than 300,000 times), use that traditional on-off control system failure rate is high, poor stability, affect test effect, and because needing Attended mode to cause experimentation cost to increase in process of the test.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of shop experiment pick-up unit of electro hydraulicthruster, can reduce failure rate, the safety and reliability that warranty test detects.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A shop experiment pick-up unit for electro hydraulicthruster, comprising:
Frame, frame bottom is provided with pusher mount pad, and frame is provided with the rail assembly for elevating mechanism lifting;
Elevating mechanism, is located on rail assembly, and elevating mechanism is provided with pusher head contiguous block, and also hangs and be provided with counterweight on elevating mechanism;
Position transducer, is located at frame one side, for detection of the lifting displacement of elevating mechanism;
Automatically controlled test macro, simulation practical working situation also promotes to control to pusher;
Also comprise manual self-locking limit mechanism, comprise handwheel, bevel gear and screw rod, handwheel one end is connected with screw rod lower end by bevel gear, and elevating mechanism lower end is provided with swivel nut, and by the locking that is nested of swivel nut lower end and screw rod upper end screw thread.
Described elevating mechanism is provided with suspension bracket, and suspension bracket both sides are respectively equipped with suspension rod, suspension rod bottom is provided with scale pan, and described counterweight is stacked and placed on scale pan.
The shop experiment pick-up unit that adopts electro hydraulicthruster of the present invention, tool has the following advantages:
1, simple in structure, easy to use, testing efficiency is high, effective;
2, can simulate practical working situation and pusher is promoted to control, can meet the demand of the shop experiment detection of electro hydraulicthruster completely;
3, by automatically controlled test macro, compare elevating mechanism rising and falling time, the system that realizes, to the automatic monitoring of process of the test and record, effectively prevents from causing electro hydraulicthruster directly to damage because of mechanical or electric reason.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated:
Fig. 1 is the structural drawing of experiment detection device of the present invention.
Fig. 2 is the side view of experiment detection device of the present invention.
Embodiment
As Figure 1-Figure 2, the shop experiment pick-up unit of electro hydraulicthruster of the present invention mainly comprises frame 1, elevating mechanism 2, position transducer 3 and automatically controlled test macro, frame 1 adopts welded type one-piece construction, by Plate Welding, is formed, and its effect is that pilot system is supported.Frame 1 bottom is provided with pusher mount pad 4, for tested electro hydraulicthruster 5 is installed, is also provided with the rail assembly 6 for elevating mechanism 2 liftings in frame 1.Elevating mechanism 2, is located on rail assembly 6, and elevating mechanism 2 is provided with pusher head contiguous block 7, and for being connected with the head of tested electro hydraulicthruster 5, the action by pusher 5 can drive elevating mechanism 2 to carry out lifting along rail assembly 6.And on elevating mechanism 2, also hang and be provided with counterweight 8, be used for applying simulation load, specifically arrange as follows: elevating mechanism 2 is provided with suspension bracket 9, suspension bracket 9 both sides are respectively equipped with suspension rod 10, suspension rod 10 bottoms are provided with scale pan 11, described counterweight 8 is stacked and placed on scale pan 11, facilitates the counterweight 8 of load-bearing to change on demand.Position transducer 3, is located at frame 1 one sides, for detection of the lifting displacement of elevating mechanism 2.The data acquisition of automatically controlled test macro collection, PLC are controlled in all over the body automatically, by simulation practical working situation, pusher 5 are promoted to control, and the detection data of receiving position sensor 3 and promotion number of times, and then draw the technical feature of pusher 5.
This experiment detection device also comprises a manual self-locking limit mechanism, comprise handwheel 12, bevel gear 13 and screw rod 14, handwheel 12 one end are connected with screw rod 14 lower ends by bevel gear 13, elevating mechanism 2 lower ends are provided with the jacking block with swivel nut 15, and by the locking that is nested of swivel nut 15 lower ends and screw rod 14 upper end screw threads.When detecting operation, by handwheel 12, can move down by drive screw 14, make manual self-locking limit mechanism separated with elevating mechanism 2, thereby can start to detect operation, after detection operation completes, by screw rod 14, screw in swivel nuts 15, realize self-locking limit, avoid causing danger.
The principle of work of experiment detection device of the present invention is:
1, first determine the model of the electro hydraulicthruster 5 that will test, according to model, choose corresponding pusher mount pad 4 and be arranged in frame 1, choose corresponding pusher head contiguous block 7 and be arranged on elevating mechanism 2;
2, tested electro hydraulicthruster 5 is located on mount pad 4, and is connect mutually with contiguous block 7;
3, turning handle, declines screw rod 14, and manually self-locking limit mechanism is separated with elevating mechanism 2;
4, add according to demand counterweight 8, and start test by automatically controlled test macro, control pusher 5 promotion elevating mechanisms 2 and carry out lifting, position transducer 3 detects each displacement data simultaneously, obtains the technical feature of this pusher 5 by data processing;
5,, after off-test, control electro hydraulicthruster 5 and get back to stroke 0mm state;
6, turning handle, rises screw rod 14, and manually elevating mechanism 2 pins in self-locking limit mechanism, can pull down safely tested pusher 5.
Experiment detection device of the present invention can apply simulation load to pusher 5, the practical working situation of simulation pusher 5 is sent instruction to pusher 5, thereby measure the technical feature of pusher 5, it is easy and simple to handle, data are reliable, save man power and material, can complete the thrust performance test of pusher 5, the performance of pusher 5 is tested, the tests such as experiments of sealing performance of pusher 5 simultaneously, thereby comprehensively, accurately obtain a plurality of performance index of pusher 5.
But, those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present invention.
Claims (2)
1. a shop experiment pick-up unit for electro hydraulicthruster, is characterized in that, comprising:
Frame, frame bottom is provided with pusher mount pad, and frame is provided with the rail assembly for elevating mechanism lifting;
Elevating mechanism, is located on rail assembly, and elevating mechanism is provided with pusher head contiguous block, and also hangs and be provided with counterweight on elevating mechanism;
Position transducer, is located at frame one side, for detection of the lifting displacement of elevating mechanism;
Automatically controlled test macro, simulation practical working situation also promotes to control to pusher;
Manually self-locking limit mechanism, comprises handwheel, bevel gear and screw rod, and handwheel one end is connected with screw rod lower end by bevel gear, and elevating mechanism lower end is provided with the jacking block with swivel nut, and by the locking that is nested of swivel nut lower end and screw rod upper end screw thread.
2. the shop experiment pick-up unit of electro hydraulicthruster according to claim 1, is characterized in that:
Described elevating mechanism is provided with suspension bracket, and suspension bracket both sides are respectively equipped with suspension rod, suspension rod bottom is provided with scale pan, and described counterweight is stacked and placed on scale pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104304.3A CN102680216B (en) | 2012-04-11 | 2012-04-11 | Indoor test and detection device for electrical hydraulic propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104304.3A CN102680216B (en) | 2012-04-11 | 2012-04-11 | Indoor test and detection device for electrical hydraulic propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102680216A CN102680216A (en) | 2012-09-19 |
| CN102680216B true CN102680216B (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210104304.3A Expired - Fee Related CN102680216B (en) | 2012-04-11 | 2012-04-11 | Indoor test and detection device for electrical hydraulic propeller |
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| Country | Link |
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| CN (1) | CN102680216B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571493A (en) * | 2018-07-19 | 2018-09-25 | 烟台智本知识产权运营管理有限公司 | A kind of electro hydraulicthruster experimental rig |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140320A (en) * | 1989-06-16 | 1992-08-18 | Rexroth-Sigma | Electric remote control device including pairs of sliding pushers |
| CN101514927A (en) * | 2009-03-20 | 2009-08-26 | 北京航空航天大学 | Elastic micro-Newton level low thrust measuring system |
| CN202562734U (en) * | 2012-04-11 | 2012-11-28 | 上海市特种设备监督检验技术研究院 | Indoor testing and detecting device for electro-hydraulic thruster |
-
2012
- 2012-04-11 CN CN201210104304.3A patent/CN102680216B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140320A (en) * | 1989-06-16 | 1992-08-18 | Rexroth-Sigma | Electric remote control device including pairs of sliding pushers |
| CN101514927A (en) * | 2009-03-20 | 2009-08-26 | 北京航空航天大学 | Elastic micro-Newton level low thrust measuring system |
| CN202562734U (en) * | 2012-04-11 | 2012-11-28 | 上海市特种设备监督检验技术研究院 | Indoor testing and detecting device for electro-hydraulic thruster |
Non-Patent Citations (2)
| Title |
|---|
| PLC在电力液压推动器型式试验台上的应用;盛国超;《起重运输机械》;20100130(第1期);全文 * |
| 盛国超.PLC在电力液压推动器型式试验台上的应用.《起重运输机械》.2010,(第1期), |
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| CN102680216A (en) | 2012-09-19 |
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