CN201788092U - Simulation test device for heavy oil-gas suspension oil cylinder - Google Patents
Simulation test device for heavy oil-gas suspension oil cylinder Download PDFInfo
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- CN201788092U CN201788092U CN2010202693543U CN201020269354U CN201788092U CN 201788092 U CN201788092 U CN 201788092U CN 2010202693543 U CN2010202693543 U CN 2010202693543U CN 201020269354 U CN201020269354 U CN 201020269354U CN 201788092 U CN201788092 U CN 201788092U
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Abstract
The utility model relates to a simulation test device for a heavy oil-gas suspension oil cylinder, which belongs to a test device in a heavy vehicle oil-gas suspension shock-absorbing technology. A basic mass block is connected with four vertical posts through bearings, and the bottoms of the four vertical posts are connected with bases; the upper end of the basic mass block is provided with two movable mass blocks, and the movable mass blocks are connected on the four vertical posts; one basic mass block on the upper end is connected with a basic mass block connecting bolt; the vertical posts are connected with basic mass block locking devices, and the basic mass block locking devices are arranged on the bottom ends of the bearings; the center of the bottom surface of the basic mass block is connected with a suspension oil cylinder system to be tested through a force sensor; the lower end of the suspension oil cylinder system to be tested is connected with hydraulic servo actuators; and the hydraulic servo actuators are arranged on the bases. The simulation test device for the heavy oil-gas suspension oil cylinder has the advantages of effectively simulating the actual use conditions of the suspension cylinder, ensuring the system safety and stability when the mass block is quite large, and adjusting according to the actual reed quality of the suspension cylinder.
Description
Technical field
The utility model relates to a kind of heavy vehicle oleo-pneumatic suspension damping technology test unit, particularly a kind of heavy oil gas hanging oil cylinder simulation test device.
Background technology
At present, the bench test of oleo-pneumatic suspension oil cylinder mainly adopts tested oil cylinder one end to fix, the other end adds the mode of load, this mode is not considered the bench test system of sprung mass simulation, list of references " systematic study of vehicle hydro pneumatic suspension load test " for example, Zhang Hui etc., " lathe and hydraulic pressure " 2009.9VOL.37NO.9.Above-mentioned technology mainly is suitable for doing hanging oil cylinder and shows experimental studies such as merit performance owing to do not consider the influence of analog-quality.Above-mentioned test method can't comprise the analog-quality experimental study for the heavy engineering vehicle with the oleo-pneumatic suspension oil cylinder, and its suspension cylinder one end is fixed, and the other end is connected with actuator and inserts excitation, differs bigger with the actual operating position of vehicle.
Vehicle is in actual condition, and the sprung mass of suspension cylinder is along with road vibration can produce certain dynamic effects, and the hanging oil cylinder upper end is fixed on the door frame frock in the prior art, can not react this dynamic effects, actual condition in the time of can't representing vehicle '.
The utility model content
The purpose of this utility model is to provide a kind of: the heavy oil gas hanging oil cylinder simulation test device of actual condition when can simulating vehicle travelling.
The purpose of this utility model is achieved in that this test unit comprises: force transducer, tested hanging oil cylinder system, hydraulic servo actuator, four column supports, bearing, gross piece, movable mass piece, gross piece coupling bolt, gross piece locking device, tested hanging oil cylinder accumulator, tested hanging oil cylinder oil sources and base;
The gross piece is connected with four root posts by bearing, is connected with base in the bottom of four root posts; There are two movable mass pieces the upper end of gross piece, the movable mass piece is connected on four root posts, be connected with gross piece coupling bolt on the gross piece in upper end, be connected with gross piece locking device on column, gross piece lock dog device is positioned at the bottom of bearing; Be connected with tested hanging oil cylinder system by force transducer in the center of gross piece bottom surface, be connected with the hydraulic servo actuator in the lower end of tested hanging oil cylinder system, the hydraulic servo actuator is positioned on the base; Be connected with tested hanging oil cylinder accumulator in tested hanging oil cylinder device upper end, on tested outstanding cylinder system, be connected with tested hanging oil cylinder oil sources.
Described four root posts are circular abutment, constitute the support of test unit.
Beneficial effect owing to adopted such scheme, is selected suitable movable mass piece combination, assembling test system in order according to the sprung mass size of the actual supporting of tested hanging oil cylinder.
The hydraulic servo actuator produces the pumping signal that needs by its control system, can constitute the displacement control mode and the power control mode encourages tested hanging oil cylinder.Signal record function in its control system can write down power, displacement feedback signals such as (reach acceleration, install when needing).So that analysis of experiments and processing.
Hydraulic servo actuator and control system are used present a kind of pilot system than widespread usage, can produce the pumping signal that needs by software, control hydraulic servo actuator produces corresponding action, the hydraulic servo actuator also can produce various spectrum of road surface roughness pumping signals by its control system, effectively the simulated hanging oil cylinder carries out hanging oil cylinder bench simulation fatigue test results with this signal and more approaches actual life at actual road surface applying working condition.
When locking between gross piece and four columns, do not use the movable mass piece, can finish the various projects in the current hanging oil cylinder experimental study technology, promptly consistent with the function of current hanging oil cylinder experimental technique.
Actual condition when can simulating vehicle travelling has reached the purpose of this utility model.
Advantage:
(1) replace the suspension cylinder sprung mass with the movable mass piece, this movable mass piece only is subjected to the push-pull effort that produces in gravity and the suspension cylinder vibration processes, and is consistent at actual applying working condition with suspension cylinder, effectively the actual applying working condition of simulated hanging cylinder.
(2) four root posts can retrain the movable mass piece as door frame, and four root posts can the support movable mass as slideway, security of system and stability when the piece of ensuring the quality of products is big; Be suitable for the bench simulation test of heavy engineering vehicle oleo-pneumatic suspension oil cylinder, simulation torture test etc.
(3) the movable mass piece adopts the module combinations overlaying structure, can suitably regulate according to subjects actual bearer quality size, can regulate according to actual suspension cylinder sprung mass situation.
(4) adopt rolling bearing on circular abutment and the gross piece, reduce the friction force between mass and column.
(5) the excitation actuator is selected the hydraulic servo actuator for use, can produce multiple pumping signal and spectrum of road surface roughness signal.
When (6) gross piece and four root posts lock, consistent with current suspension cylinder test method, can realize the various pilot projects in the current techniques.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Fig. 2 is a three-dimensional structure diagram of the present utility model.
Among the figure, 1, force transducer; 2, tested hanging oil cylinder system; 3, hydraulic servo actuator; 4, four column supports; 5, bearing; 6, gross piece; 7, movable mass piece; 8, gross piece coupling bolt; 9, gross piece locking device.10, tested hanging oil cylinder accumulator; 11 tested hanging oil cylinder oil sources; 12 bases.
Embodiment
Embodiment 1: this test unit comprises: force transducer 1, tested hanging oil cylinder system 2, hydraulic servo actuator 3, four column supports 4, bearing 5, gross piece 6, movable mass piece 7, gross piece coupling bolt 8, gross piece locking device 9, tested hanging oil cylinder accumulator 10, tested hanging oil cylinder oil sources 11 and base 12.
Described four root posts are circular abutment, constitute the support of test unit.
Principle of work: select suitable movable mass piece combination, assembling test system in order according to the sprung mass size of the actual supporting of tested hanging oil cylinder.
The hydraulic servo actuator produces the various pumping signals that need by its control system, can constitute the displacement control mode and the power control mode encourages tested hanging oil cylinder.Signal record function in its control system can write down power, displacement feedback signals such as (reach acceleration, install when needing).So that analysis of experiments and processing.
The hydraulic servo actuator also can produce various spectrum of road surface roughness pumping signals by its control system, and effectively the simulated hanging oil cylinder carries out hanging oil cylinder bench simulation fatigue test results with this signal and more approaches actual life at actual road surface applying working condition.
When locking between gross piece and four columns, do not use the movable mass piece, can finish the various projects in the current hanging oil cylinder experimental study technology, promptly consistent with the function of current hanging oil cylinder experimental technique.
Claims (2)
1. heavy oil gas hanging oil cylinder simulation test device, it is characterized in that: this test unit comprises: force transducer, tested hanging oil cylinder system, hydraulic servo actuator, four column supports, bearing, gross piece, movable mass piece, gross piece coupling bolt, gross piece locking device, tested hanging oil cylinder accumulator, tested hanging oil cylinder oil sources and base;
The gross piece is connected with four root posts by bearing, is connected with base in the bottom of four root posts; There are two movable mass pieces the upper end of gross piece, the movable mass piece is connected on four root posts, be connected with gross piece coupling bolt on the gross piece in upper end, be connected with gross piece locking device on column, gross piece lock dog device is positioned at the bottom of bearing; Be connected with tested hanging oil cylinder system by force transducer in the center of gross piece bottom surface, be connected with hydraulic servo actuator 3 in the lower end of tested hanging oil cylinder system, the hydraulic servo actuator is positioned on the base; Be connected with tested hanging oil cylinder accumulator in tested hanging oil cylinder device upper end, on tested outstanding cylinder system, be connected with tested hanging oil cylinder oil sources.
2. heavy oil gas hanging oil cylinder simulation test device according to claim 1, it is characterized in that: described four root posts are circular abutment, constitute the support of test unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202693543U CN201788092U (en) | 2010-07-16 | 2010-07-16 | Simulation test device for heavy oil-gas suspension oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202693543U CN201788092U (en) | 2010-07-16 | 2010-07-16 | Simulation test device for heavy oil-gas suspension oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788092U true CN201788092U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202693543U Expired - Fee Related CN201788092U (en) | 2010-07-16 | 2010-07-16 | Simulation test device for heavy oil-gas suspension oil cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN201788092U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323027A (en) * | 2011-08-12 | 2012-01-18 | 三一重机有限公司 | Mining self-unloading vehicle oil gas suspension vibration testing stand |
| CN105388029A (en) * | 2015-12-15 | 2016-03-09 | 中国北方车辆研究所 | Overload vehicle oil-gas spring test device |
| CN105510059A (en) * | 2015-11-25 | 2016-04-20 | 集美大学 | Testing device for oil-gas suspension bracket |
| CN105806600A (en) * | 2016-03-10 | 2016-07-27 | 中国北方车辆研究所 | Hydro-pneumatic spring testbed position hydraulic adjustment device with locking function |
| CN107387496A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of large ore card common frame simulation test device of hanging oil cylinder |
| CN108204388A (en) * | 2016-12-16 | 2018-06-26 | 宦治平 | A kind of oil cylinder loading test device |
| CN108896325A (en) * | 2018-05-03 | 2018-11-27 | 燕山大学 | A kind of Vehicle Active Suspension cylinder performance test stand |
| CN108956168A (en) * | 2018-05-03 | 2018-12-07 | 燕山大学 | A kind of active Hydro-pneumatic Suspension cylinder performance test stand |
| CN113138087A (en) * | 2021-03-31 | 2021-07-20 | 北京长征天民高科技有限公司 | Radial loading test device and test method for suspension oil cylinder |
-
2010
- 2010-07-16 CN CN2010202693543U patent/CN201788092U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323027A (en) * | 2011-08-12 | 2012-01-18 | 三一重机有限公司 | Mining self-unloading vehicle oil gas suspension vibration testing stand |
| CN105510059B (en) * | 2015-11-25 | 2017-12-29 | 集美大学 | Hydro pneumatic suspension test equipment |
| CN105510059A (en) * | 2015-11-25 | 2016-04-20 | 集美大学 | Testing device for oil-gas suspension bracket |
| CN105388029A (en) * | 2015-12-15 | 2016-03-09 | 中国北方车辆研究所 | Overload vehicle oil-gas spring test device |
| CN105806600A (en) * | 2016-03-10 | 2016-07-27 | 中国北方车辆研究所 | Hydro-pneumatic spring testbed position hydraulic adjustment device with locking function |
| CN105806600B (en) * | 2016-03-10 | 2017-12-12 | 中国北方车辆研究所 | A kind of hydro-pneumatic spring bed stead hydraulic adjustment device with blocking function |
| CN108204388A (en) * | 2016-12-16 | 2018-06-26 | 宦治平 | A kind of oil cylinder loading test device |
| CN107387496A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of large ore card common frame simulation test device of hanging oil cylinder |
| CN107387496B (en) * | 2017-07-26 | 2019-05-10 | 徐州徐工液压件有限公司 | A kind of large ore card is total to frame simulation test device with hanging oil cylinder |
| CN108896325A (en) * | 2018-05-03 | 2018-11-27 | 燕山大学 | A kind of Vehicle Active Suspension cylinder performance test stand |
| CN108956168A (en) * | 2018-05-03 | 2018-12-07 | 燕山大学 | A kind of active Hydro-pneumatic Suspension cylinder performance test stand |
| CN113138087A (en) * | 2021-03-31 | 2021-07-20 | 北京长征天民高科技有限公司 | Radial loading test device and test method for suspension oil cylinder |
| CN113138087B (en) * | 2021-03-31 | 2022-10-14 | 北京长征天民高科技有限公司 | Radial loading test device and test method for suspension oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20160716 |