CN113484017A - Test bench and test system for testing slave cylinder in double-clutch system - Google Patents
Test bench and test system for testing slave cylinder in double-clutch system Download PDFInfo
- Publication number
- CN113484017A CN113484017A CN202110696718.9A CN202110696718A CN113484017A CN 113484017 A CN113484017 A CN 113484017A CN 202110696718 A CN202110696718 A CN 202110696718A CN 113484017 A CN113484017 A CN 113484017A
- Authority
- CN
- China
- Prior art keywords
- oil
- test
- testing
- box
- oil tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 153
- 239000003921 oil Substances 0.000 claims abstract description 134
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 4
- 230000035939 shock Effects 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 22
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 description 19
- 239000000498 cooling water Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a test bench and a test system for testing a slave cylinder in a double-clutch system, wherein the test bench comprises a temperature box, a rack and an electric cabinet; an oil tank is fixed in the temperature box, a test box is fixed on the outer top of the oil tank, and two ends of a sample piece to be tested are rotatably connected with the support component; the oil filling control valve group, the energy accumulator and the proportional electromagnetic valve group are sequentially arranged on the second pipeline, and two oil outlets of the proportional electromagnetic valve group are respectively connected with one hydraulic oil input port on the sample piece to be detected; the device and the method can simulate various test environments to test the durability of the slave cylinder actuator in the high-pressure clutch system.
Description
Technical Field
The invention relates to the technical field of testing devices of double-clutch transmissions, in particular to a test bench and a test system for testing slave cylinders in a double-clutch system.
Background
The double-clutch gearbox is generally applied to passenger vehicles, the core parts of the double-clutch gearbox are a double-clutch system and a hydraulic control unit, wherein the double-clutch system is divided into a low-pressure clutch system and a high-pressure clutch system, the high-pressure clutch system consists of a slave cylinder actuator and double clutches, and the slave cylinder actuator in the high-pressure clutch system has the characteristics of high pressure, zero leakage and high efficiency, but has higher requirements on the parts per se and sufficient verification requirements, so that a test bench and a test system for carrying out durability test on the slave cylinder actuator in the high-pressure clutch system are urgently required to be designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a test bench and a test system for testing a slave cylinder in a double-clutch system, which can simulate various test environments to carry out durability test on a slave cylinder actuator in a high-pressure clutch system so as to meet the requirement of the durability test on the slave cylinder actuator in the high-pressure clutch system.
The test bench for testing the slave cylinder in the double-clutch system comprises a temperature box, a rack and an electric cabinet; an oil tank is fixed in the temperature box, a grid-shaped oil return hole is formed in the top of the oil tank, a testing box with an opening in the bottom is fixed on the outer top of the oil tank, a box cover is connected to the upper end of the testing box, a testing cavity is formed in the testing box, a supporting table is arranged in the testing cavity and fixed to the outer top of the oil tank, a support frame assembly used for supporting a sample piece to be tested is mounted on the supporting table, two ends of the sample piece to be tested are rotatably connected with the support frame assembly, and an oil-filled control valve group, an energy accumulator and a proportional electromagnetic valve group are further mounted in the temperature box; the oil filling control valve group, the energy accumulator and the proportional electromagnetic valve group are sequentially arranged on the second pipeline, and two oil outlets of the proportional electromagnetic valve group are respectively connected with one hydraulic oil input port on the sample piece to be detected; the rack is fixed with a control platform, and the control platform, the temperature box, the oil-filled control valve group, the proportional electromagnetic valve group, the servo motor, the oil pump and the heater are all electrically connected with the electric cabinet.
The invention discloses a test bench for testing a slave cylinder in a dual-clutch system, wherein a plurality of heat conduction pipes distributed in an array form are arranged in an oil tank in a penetrating manner, the front end of each heat conduction pipe is arranged in the front side wall of the oil tank in a penetrating manner and is welded and sealed with the front side wall of the oil tank, and the rear end of each heat conduction pipe is arranged in the rear side wall of the oil tank in a penetrating manner and is welded and sealed with the rear side wall of the oil tank; through the setting of heat pipe, the air that is located the temperature case can flow through the heat pipe, so, can improve the heat exchange effect of the air in the temperature case and the fluid in the oil case.
The invention discloses a test bench for testing a slave cylinder in a double-clutch system, wherein a liquid level meter is arranged on the side wall of an oil tank; through the setting of level gauge, the staff can conveniently learn the oil mass in the oil tank through the level gauge, so, when the oil mass in the oil tank is not enough, can in time remind the staff to add fluid toward the oil tank in.
The test bench for testing the slave cylinder in the dual-clutch system is characterized in that the rear side of the box cover is rotationally connected with the test box through a hinge, the front side of the box cover is locked with the test box through at least one lock catch, and a handle is fixed on the front side of the box cover; the opening at the upper end of the test box is provided with a sealing strip, and after the box cover is covered on the test box, the sealing strip is used for sealing a gap between the box cover and the test box; an observation window is arranged on the box cover, a transparent plate is arranged in the observation window, and the outer edge of the transparent plate is fixed and sealed with the inner edge of the observation window; the box cover and the test box are connected by adopting the hinge, so that the box cover can be conveniently rotated and opened relative to the test box; through the arrangement of the lock catch, after the box cover is covered on the test box, the box cover can be conveniently locked with the test box through the lock catch; through the arrangement of the handle, after the box cover is unlocked, the box cover can be conveniently rotated by holding the handle by hand so that the box cover is rotated and opened relative to the test box; through the arrangement of the sealing strips, the box cover covers the test box, and after the box cover is locked with the test box, the sealing strips can seal the box cover and the test box, so that oil thrown out by a sample piece to be tested in the test process can be prevented from splashing out of the test box, and the oil is prevented from polluting the temperature box; through the setting of observation window and transparent plate, the staff's permeable transparent plate observes the testing process of the sample that awaits measuring, and in addition, the transparent plate can adopt glass or ya keli board.
The test bench for testing the slave cylinder in the dual-clutch system comprises a support table, a plurality of shock absorption structures which are transversely distributed are arranged between the lower surface of the support table and the outer top of an oil tank, each shock absorption structure comprises a support bar, a plurality of upper shock absorption pads which are distributed along the length direction of the support bar are arranged above each support bar, a plurality of lower shock absorption pads which are distributed along the length direction of the support bar are arranged below each support bar, the support table is fixed with the support bars through bolts which are arranged in the support table and the upper shock absorption pads in a penetrating manner and are in threaded connection with the support bars, and the support bars are fixed with the oil tank through bolts which are arranged in the support bars and the lower shock absorption pads in a penetrating manner and are in threaded connection with the oil tank; after the damping structure is arranged between the supporting table and the oil tank, in the test process of the sample piece to be tested, the vibration generated by the sample piece to be tested can be absorbed by the damping structure, so that the transmission of vibration quantity can be reduced, the vibration influence on the oil tank and the temperature box in the test process of the sample piece to be tested is reduced, and in addition, the requirement on the radial offset of the coupling can be reduced.
The invention discloses a test bench for testing a slave cylinder in a dual-clutch system, wherein a support assembly comprises a first support and a second support, the first support is transversely connected with a support table in a sliding manner through a first sliding rail assembly, a screw which is in threaded connection with the first support and is used for abutting against the support table to lock the first support is arranged in the first support in a penetrating manner, the second support is transversely connected with the support table in a sliding manner through a second sliding rail assembly, a screw which is in threaded connection with the second support and is used for abutting against the support table to lock the second support is arranged in the second support in a penetrating manner, and two ends of a sample piece to be tested are respectively in rotating connection with the first support and the second support; by adopting the structure, after the screws on the first support and the second support are unscrewed, the positions of the first support and the second support can be flexibly adjusted according to the size of a sample piece to be measured, and after the position adjustment of the first support and the second support is completed, the first support and the second support can be locked by screwing the screws on the first support and the screws on the second support; in addition, first support and second support can slide to the brace table relatively, so, can put into the process between first support and the second support for the sample spare that awaits measuring, perhaps bring the convenience for the process that the sample spare that awaits measuring takes out from between first support and the second support.
The test bench for testing the slave cylinder in the double-clutch system is characterized in that the coupler is a flexible coupler; after the coupler is flexible, in the test process of the sample piece to be tested, the sample piece to be tested can vibrate, so that the radial offset requirement of the sample piece to be tested when vibration occurs can be better met.
The test bench for testing the slave cylinder in the double-clutch system comprises a plurality of shock pad groups, a servo motor, a rack, a first damping pad group, a second damping pad group and a second damping pad group, wherein the shock pad groups are arranged at the fixed edge of the servo motor; through the setting of shock pad group, shock pad group can play absorbing effect to servo motor, so, not only can be so that servo motor satisfies the vibrations demand of the sample spare that awaits measuring in the testing process, can reduce the vibrations influence that the sample spare that awaits measuring caused servo motor in the testing process moreover.
The test bench for testing the slave cylinder in the dual-clutch system is characterized in that an oil inlet of a water-cooling exchanger is connected with an oil outlet of an overflow valve, an oil outlet of the water-cooling exchanger is connected with an oil inlet of a heater, a water inlet of the water-cooling exchanger is connected with a first electromagnetic valve group, a water outlet of the water-cooling exchanger is connected with a second electromagnetic valve group, and the first electromagnetic valve group and the second electromagnetic valve group are both electrically connected with an electric cabinet; by adopting the water-cooling exchanger, after cooling water enters the water-cooling exchanger from the water inlet and flows out of the water outlet, the cooling water can take away the heat of oil flowing through the water-cooling exchanger, namely, the oil can be cooled; in addition, the inlet end of the first electromagnetic valve group is connected with the water outlet of the cooling water circulating device, the outlet end of the second electromagnetic valve group is connected with the water return port of the cooling water circulating device, and the temperature of cooling water flowing in the cooling water circulating device is controlled to be 15 ℃.
A test system for testing slave cylinders of a dual clutch transmission comprises the test bench for testing the slave cylinders in the dual clutch system.
The durability test system can simulate various test environments to test the durability of the slave cylinder actuator in the high-pressure clutch system so as to meet the requirement of the durability test of the slave cylinder actuator in the high-pressure clutch system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a perspective view of a test rig shown in a first view;
FIG. 2 is a perspective view of the test stand at a second viewing angle;
FIG. 3 is a schematic perspective view of the test bed with the test chamber and chamber cover removed;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
fig. 5 is a schematic diagram of the system of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The test bench for testing the slave cylinder in the double-clutch system comprises a temperature box 1, a rack 2 and an electric cabinet 3; an oil tank 4 is fixed in the temperature box 1, a grid-shaped oil return hole 41 is formed in the top of the oil tank 4, a testing box 5 with an opening at the bottom is fixed on the outer top of the oil tank 4, a box cover 51 is connected to the upper end of the testing box 5, a testing cavity is formed inside the testing box 5, a supporting platform 6 is arranged in the testing cavity, the supporting platform 6 is fixed with the outer top of the oil tank 4, a bracket assembly 8 used for supporting a sample piece 7 to be tested is installed on the supporting platform 6, two ends of the sample piece 7 to be tested are rotatably connected with the bracket assembly 8, and an oil-filled control valve group 91, an energy accumulator 92 and a proportional electromagnetic valve group 93 are further installed in the temperature box 1; the oil filling control valve group 91, the energy accumulator 92 and the proportional electromagnetic valve group 93 are sequentially arranged on a second pipeline 203, and two oil outlets of the proportional electromagnetic valve group 93 are respectively connected with one hydraulic oil input port on the sample piece to be tested 7; a control platform 21 is fixed on the frame 2, and the control platform 21, the temperature box 1, the oil-filled control valve group 91, the proportional electromagnetic valve group 93, the servo motor 10, the oil pump 20 and the heater 50 are all electrically connected with the electric cabinet 3; above-mentioned shaft coupling 101 is connected with the sample spare 7 that awaits measuring still through the transmission of transmission shaft, all is provided with rotary seal structure between transmission shaft and test box and the temperature box, and the purpose that sets up rotary seal structure between transmission shaft and test box is: the oil thrown out by the sample piece to be tested in the test process of the sample piece to be tested is prevented from leaking to the outside of the test box through a gap between the traditional shaft and the test box; the purpose of arranging a rotary sealing structure between the transmission shaft and the temperature box is as follows: the circulation of air inside the temperature box and air outside the temperature box is avoided, so that the influence on the temperature inside the temperature box is avoided; in addition, the oil pumping pipe, the first pipeline and the second pipeline penetrate through the side wall of the temperature box, and the oil pumping pipe, the first pipeline and the second pipeline are sealed with the side wall of the temperature box through sealing parts, so that the purpose of preventing air inside the temperature box from circulating with air outside the temperature box is also achieved, and the influence on the temperature inside the temperature box is avoided.
A plurality of heat conduction pipes 42 distributed in an array form penetrate through the oil tank 4, the front end of each heat conduction pipe 42 penetrates through the front side wall of the oil tank 4 and is welded and sealed with the front side wall of the oil tank 4, and the rear end of each heat conduction pipe 42 penetrates through the rear side wall of the oil tank 4 and is welded and sealed with the rear side wall of the oil tank 4; through the setting of heat pipe, the air that is located the temperature case can flow through the heat pipe, so, can improve the heat exchange effect of the air in the temperature case and the fluid in the oil case.
A liquid level meter 43 is arranged on the side wall of the oil tank 4; through the setting of level gauge, the staff can conveniently learn the oil mass in the oil tank through the level gauge, so, when the oil mass in the oil tank is not enough, can in time remind the staff to add fluid toward the oil tank in.
The rear side of the box cover 51 is rotatably connected with the test box 5 through a hinge, the front side of the box cover 51 is locked with the test box 5 through at least one lock catch 52, and a handle 53 is fixed on the front side of the box cover 51; a sealing strip 54 is arranged at an opening at the upper end of the test box 5, and after the box cover 51 is covered on the test box 5, the sealing strip 54 is used for sealing a gap between the box cover 51 and the test box 5; an observation window 55 is arranged on the box cover 51, a transparent plate 56 is arranged in the observation window 55, and the outer edge of the transparent plate 56 is fixed and sealed with the inner edge of the observation window 55; the box cover and the test box are connected by adopting the hinge, so that the box cover can be conveniently rotated and opened relative to the test box; through the arrangement of the lock catch, after the box cover is covered on the test box, the box cover can be conveniently locked with the test box through the lock catch; through the arrangement of the handle, after the box cover is unlocked, the box cover can be conveniently rotated by holding the handle by hand so that the box cover is rotated and opened relative to the test box; through the arrangement of the sealing strips, the box cover covers the test box, and after the box cover is locked with the test box, the sealing strips can seal the box cover and the test box, so that oil thrown out by a sample piece to be tested in the test process can be prevented from splashing out of the test box, and the oil is prevented from polluting the temperature box; through the setting of observation window and transparent plate, the staff's permeable transparent plate observes the testing process of the sample that awaits measuring, and in addition, the transparent plate can adopt glass or ya keli board.
A plurality of shock absorption structures which are transversely distributed are arranged between the lower surface of the supporting table 6 and the outer top of the oil tank 4, each shock absorption structure comprises a supporting bar 61, a plurality of upper shock absorption pads 62 which are distributed along the length direction of the supporting bar 61 are arranged above each supporting bar 61, a plurality of lower shock absorption pads 63 which are distributed along the length direction of the supporting bar 61 are arranged below each supporting bar 61, the supporting table 6 is fixed with the supporting bar 61 through bolts which are arranged in the supporting table 6 and the upper shock absorption pads 62 in a penetrating manner and are in threaded connection with the supporting bar 61, and the supporting bar 61 is fixed with the oil tank 4 through bolts which are arranged in the supporting bar 61 and the lower shock absorption pads 63 in a penetrating manner and are in threaded connection with the oil tank 4; after the damping structure is arranged between the supporting table and the oil tank, in the test process of the sample piece to be tested, the vibration generated by the sample piece to be tested can be absorbed by the damping structure, so that the transmission of vibration quantity can be reduced, the vibration influence on the oil tank and the temperature box in the test process of the sample piece to be tested is reduced, and in addition, the requirement on the radial offset of the coupling can be reduced.
The bracket component 8 comprises a first bracket 81 and a second bracket 82, the first bracket 81 is transversely connected with the support platform 6 in a sliding manner through a first sliding rail component 83, a screw which is connected with the first bracket 81 in a threaded manner and used for abutting against the support platform 6 to lock the first bracket 81 is arranged in the first bracket 81 in a penetrating manner, the second bracket 82 is transversely connected with the support platform 6 in a sliding manner through a second sliding rail component 84, a screw which is connected with the second bracket 82 in a threaded manner and used for abutting against the support platform 6 to lock the second bracket 82 is arranged in the second bracket 82 in a penetrating manner, and two ends of the sample component 7 to be measured are respectively connected with the first bracket 81 and the second bracket 82 in a rotating manner; by adopting the structure, after the screws on the first support and the second support are unscrewed, the positions of the first support and the second support can be flexibly adjusted according to the size of a sample piece to be measured, and after the position adjustment of the first support and the second support is completed, the first support and the second support can be locked by screwing the screws on the first support and the screws on the second support; in addition, first support and second support can slide to the brace table relatively, so, can put into the process between first support and the second support for the sample spare that awaits measuring, perhaps bring the convenience for the process that the sample spare that awaits measuring takes out from between first support and the second support.
The coupling 101 is a flexible coupling; after the coupler is flexible, in the test process of the sample piece to be tested, the sample piece to be tested can vibrate, so that the radial offset requirement of the sample piece to be tested when vibration occurs can be better met.
A plurality of shock pad groups are arranged at the fixed edge of the servo motor 10, each shock pad group comprises a first shock pad 102 positioned above the fixed edge of the servo motor 10 and a second shock pad 103 positioned below the fixed edge of the servo motor 10, the first shock pad 102 and the second shock pad 103 in each shock pad group are arranged in a vertical direction correspondingly, and the servo motor 10 is fixed with the rack 2 through bolts which are arranged in the fixed edges of the shock pad groups and the servo motor in a penetrating manner and are in threaded connection with the rack 2; through the setting of shock pad group, shock pad group can play absorbing effect to servo motor, so, not only can be so that servo motor satisfies the vibrations demand of the sample spare that awaits measuring in the testing process, can reduce the vibrations influence that the sample spare that awaits measuring caused servo motor in the testing process moreover.
An oil inlet of the water-cooling exchanger 40 is connected with an oil outlet of the overflow valve 30, an oil outlet of the water-cooling exchanger 40 is connected with an oil inlet of the heater 50, a water inlet of the water-cooling exchanger 40 is connected with a first electromagnetic valve group 401, a water outlet of the water-cooling exchanger 40 is connected with a second electromagnetic valve group 402, and the first electromagnetic valve group 401 and the second electromagnetic valve group 402 are both electrically connected with the electric cabinet 3; by adopting the water-cooling exchanger, after cooling water enters the water-cooling exchanger from the water inlet and flows out of the water outlet, the cooling water can take away the heat of oil flowing through the water-cooling exchanger, namely, the oil can be cooled; in addition, the inlet end of the first electromagnetic valve group is connected with the water outlet of the cooling water circulating device, the outlet end of the second electromagnetic valve group is connected with the water return port of the cooling water circulating device, and the temperature of cooling water flowing in the cooling water circulating device is controlled to be 15 ℃.
A test system for testing slave cylinders of a dual clutch transmission comprises the test bench for testing the slave cylinders in the dual clutch system.
Carrying out high-temperature test on a slave cylinder actuator in a high-pressure clutch system: the servo motor drives the sample piece to be tested to rotate, the temperature box is in a heating state, the water-cooling exchanger and the heater work alternately (when the water-cooling exchanger works, the first electromagnetic valve group and the second electromagnetic valve group are in an open state, and the cooling water circulating device connected with the water-cooling exchanger is in a working state), the temperature of oil is adjusted between 15 ℃ and 150 ℃ through the control, the oil pump supplies 15lpm of oil, the overflow pressure of an overflow valve is set to be 60bar, the electromagnetic valve in the oil-filling control valve group is in a normally closed state, at the moment, the pressure of the oil flowing through the second pipeline is 60bar, and the energy accumulator provides a pressure stabilizing effect; meanwhile, the oil flowing into the first pipeline plays a role in lubricating the sample piece to be tested.
Carrying out low-temperature test on a slave cylinder actuator in a high-pressure clutch system: the servo motor drives the sample piece to be tested to rotate, the temperature box is in a refrigerating state, the water-cooling exchanger and the heater stop working (when the water-cooling exchanger stops working, the first electromagnetic valve group and the second electromagnetic valve group are in a closed state, and a cooling water circulating device connected with the water-cooling exchanger is in a closed state), the temperature of the oil is controlled to be between 40 ℃ below zero and 15 ℃, the oil pump supplies oil 2lpm, the overflow pressure of an overflow valve is set to be 60bar, the oil pressure in the second pipeline is between 50 and 55bar by controlling the opening and closing of an electromagnetic valve in the oil-filling control valve group, when the oil pressure in the second pipeline is lower than 50bar, the electromagnetic valve in the oil-filling control valve group is closed, the energy accumulator fills oil, the oil pressure at the outlet end of the oil pump is in a high-pressure state, and when the oil pressure in the second pipeline is higher than 55bar, the electromagnetic valve in the oil-filling control valve group is opened, the oil pressure at the outlet end of the oil pump is in a low-pressure state, and meanwhile, the oil pressure in the second pipeline is controlled to be 50-55bar, and the overflow pressure of the overflow valve is 60bar, so that the overflow valve is in a non-overflow state (a slave cylinder actuator in the clutch system does not need to be lubricated at low temperature). Because a slave cylinder experiment in the clutch system only needs certain oil pressure when the clutch is combined, the oil can be supplemented to the second pipeline through the energy accumulator; in addition, after the heat conduction pipe is arranged in the oil tank, the contact area between the oil tank and the air in the temperature tank can be increased, so that the oil in the oil tank and the air in the temperature tank can exchange heat better, and the oil temperature error at low temperature is reduced as much as possible.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A test bench for testing slave cylinders in a dual clutch system, comprising: comprises a temperature box (1), a frame (2) and an electric cabinet (3); an oil tank (4) is fixed in the temperature box (1), a grid-shaped oil return hole (41) is formed in the top of the oil tank (4), a testing box (5) with an opening at the bottom is fixed on the outer top of the oil tank (4), a box cover (51) is connected to the upper end of the testing box (5), a testing cavity is formed inside the testing box (5), a supporting table (6) is arranged in the testing cavity, the supporting table (6) is fixed to the outer top of the oil tank (4), a support assembly (8) used for supporting a sample piece to be tested (7) is installed on the supporting table (6), two ends of the sample piece to be tested (7) are rotatably connected with the support assembly (8), and an oil-filled control valve group (91), an energy accumulator (92) and a proportional electromagnetic valve group (93) are further installed in the temperature box (1); the oil filling device is characterized in that a servo motor (10), an oil pump (20), an overflow valve (30), a water-cooling exchanger (40) and a heater (50) are installed on the rack (2), an output shaft of the servo motor (10) is in transmission connection with an input end of a sample piece (7) to be detected through a coupler (101), an oil inlet of the oil pump (20) is communicated with an oil tank (4) through an oil pumping pipe (201), an oil outlet of the oil pump (20) is communicated with a lubricating oil inlet of the sample piece (7) to be detected through a first pipeline (202), the overflow valve (30), the water-cooling exchanger (40) and the heater (50) are sequentially installed on the first pipeline (202) between the oil pump (20) and the sample piece (7) to be detected, an oil outlet of the oil pump (20) is further connected with a second pipeline (203), and an oil filling control valve group (91), an energy accumulator (92) and a proportional electromagnetic valve group (93) are sequentially installed on the second pipeline (203), two oil outlets of the proportional electromagnetic valve group (93) are respectively connected with one hydraulic oil input port on the sample piece to be tested (7); the oil-filling control device is characterized in that a control platform (21) is fixed on the rack (2), and the control platform (21), the temperature box (1), the oil-filling control valve group (91), the proportional electromagnetic valve group (93), the servo motor (10), the oil pump (20) and the heater (50) are all electrically connected with the electric cabinet (3).
2. The test bench for testing slave cylinders in dual clutch systems according to claim 1, wherein a plurality of heat pipes (42) are arranged in the oil tank (4) in an array, the front end of each heat pipe (42) is arranged in the front side wall of the oil tank (4) and is welded and sealed with the front side wall of the oil tank (4), and the rear end of each heat pipe (42) is arranged in the rear side wall of the oil tank (4) and is welded and sealed with the rear side wall of the oil tank (4).
3. Test bench for testing slave cylinders in dual clutch systems according to claim 1, characterized in that a level gauge (43) is mounted on the side wall of the oil tank (4).
4. The test bench for testing slave cylinders in dual clutch systems according to claim 1, characterized in that the rear side of the case cover (51) is pivotally connected to the test case (5) by a hinge, the front side of the case cover (51) is locked to the test case (5) by at least one lock catch (52), and the front side of the case cover (51) is fixed with a handle (53); a sealing strip (54) is installed at an opening at the upper end of the test box (5), and after the box cover (51) is covered on the test box (5), the sealing strip (54) is used for closing a gap between the box cover (51) and the test box (5); an observation window (55) is arranged on the box cover (51), a transparent plate (56) is arranged in the observation window (55), and the outer edge of the transparent plate (56) is fixed and sealed with the inner edge of the observation window (55).
5. The test rig for testing slave cylinders in a dual clutch system as set forth in claim 1, it is characterized in that a plurality of shock absorption structures which are transversely distributed are arranged between the lower surface of the supporting table (6) and the outer top of the oil tank (4), each shock absorption structure comprises a supporting bar (61), a plurality of upper shock absorption pads (62) distributed along the length direction of the supporting bar (61) are arranged above each supporting bar (61), a plurality of lower shock absorption pads (63) distributed along the length direction of the supporting bar (61) are arranged below each supporting bar (61), the supporting platform (6) is fixed with the supporting bar (61) through bolts which are arranged in the supporting platform (6) and the upper shock pad (62) in a penetrating way and are in threaded connection with the supporting bar (61), the support bar (61) is fixed with the oil tank (4) through bolts which penetrate through the support bar (61) and the lower damping pad (63) and are in threaded connection with the oil tank (4).
6. The test rig for testing slave cylinders in a dual clutch system as set forth in claim 1, characterized in that the bracket assembly (8) comprises a first bracket (81) and a second bracket (82), the first bracket (81) is transversely connected with the support platform (6) in a sliding way through a first sliding rail component (83), a screw which is connected with the first bracket (81) through a thread and is used for abutting against the supporting platform (6) to lock the first bracket (81) is arranged in the first bracket (81) in a penetrating way, the second bracket (82) is transversely connected with the support platform (6) in a sliding way through a second sliding rail component (84), a screw which is connected with the second bracket (82) through threads and is used for abutting against the supporting platform (6) to lock the second bracket (82) penetrates through the second bracket (82), and two ends of the sample piece (7) to be detected are respectively and rotatably connected with the first support (81) and the second support (82).
7. Test bench for testing slave cylinders in a dual clutch system according to claim 1, characterized in that the coupling (101) is a flexible coupling.
8. The test bench for testing slave cylinders in a dual clutch system according to claim 1, wherein a plurality of shock pad groups are arranged at the fixed edge of the servo motor (10), each shock pad group comprises a first shock pad (102) positioned above the fixed edge of the servo motor (10) and a second shock pad (103) positioned below the fixed edge of the servo motor (10), each first shock pad (102) and each second shock pad (103) in the shock pad groups are correspondingly arranged in the vertical direction, and the servo motor (10) is fixed with the frame (2) through bolts which are arranged in the fixed edges of the shock pad groups and the servo motor in a penetrating manner and are in threaded connection with the frame (2).
9. The test bench for testing the slave cylinders in the dual clutch system according to claim 1, wherein an oil inlet of the water-cooled exchanger (40) is connected with an oil outlet of the overflow valve (30), an oil outlet of the water-cooled exchanger (40) is connected with an oil inlet of the heater (50), a water inlet of the water-cooled exchanger (40) is connected with a first electromagnetic valve group (401), a water outlet of the water-cooled exchanger (40) is connected with a second electromagnetic valve group (402), and the first electromagnetic valve group (401) and the second electromagnetic valve group (402) are both electrically connected with the electric cabinet (3).
10. A test system for testing slave cylinders of a dual clutch transmission, comprising a test rig according to any of claims 1-9 for testing slave cylinders in a dual clutch system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696718.9A CN113484017A (en) | 2021-06-23 | 2021-06-23 | Test bench and test system for testing slave cylinder in double-clutch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696718.9A CN113484017A (en) | 2021-06-23 | 2021-06-23 | Test bench and test system for testing slave cylinder in double-clutch system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113484017A true CN113484017A (en) | 2021-10-08 |
Family
ID=77937665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110696718.9A Pending CN113484017A (en) | 2021-06-23 | 2021-06-23 | Test bench and test system for testing slave cylinder in double-clutch system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113484017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014193A (en) * | 2022-08-10 | 2022-09-06 | 常州市旭泉精密电机有限公司 | No-load testing device with intelligent automatic fixing function for motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05149831A (en) * | 1991-05-15 | 1993-06-15 | Aisin Chem Co Ltd | Tester for clutch facing |
| CN102169053A (en) * | 2010-12-24 | 2011-08-31 | 重庆青山工业有限责任公司 | Hydraulic control loop of high/low-temperature test bed for automatic transmission valve |
| CN102507335A (en) * | 2011-10-31 | 2012-06-20 | 朱留存 | Pressure resistance test stand for double clutches |
| US20160047714A1 (en) * | 2013-04-30 | 2016-02-18 | Ford Global Technologies, Llc | Method of calibrating a clutch |
| RU2614940C1 (en) * | 2015-12-29 | 2017-03-31 | Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) | Multifunctional rig for device testing |
| CN208845479U (en) * | 2018-04-16 | 2019-05-10 | 常州精瑞自动化装备技术有限公司 | The hydraulic system of automobile gearbox solenoid valve thermocycling platform |
| CN215262425U (en) * | 2021-06-23 | 2021-12-21 | 博格华纳汽车零部件(宁波)有限公司 | Test bench and test system for testing slave cylinder in double-clutch system |
-
2021
- 2021-06-23 CN CN202110696718.9A patent/CN113484017A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05149831A (en) * | 1991-05-15 | 1993-06-15 | Aisin Chem Co Ltd | Tester for clutch facing |
| CN102169053A (en) * | 2010-12-24 | 2011-08-31 | 重庆青山工业有限责任公司 | Hydraulic control loop of high/low-temperature test bed for automatic transmission valve |
| CN102507335A (en) * | 2011-10-31 | 2012-06-20 | 朱留存 | Pressure resistance test stand for double clutches |
| US20160047714A1 (en) * | 2013-04-30 | 2016-02-18 | Ford Global Technologies, Llc | Method of calibrating a clutch |
| RU2614940C1 (en) * | 2015-12-29 | 2017-03-31 | Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) | Multifunctional rig for device testing |
| CN208845479U (en) * | 2018-04-16 | 2019-05-10 | 常州精瑞自动化装备技术有限公司 | The hydraulic system of automobile gearbox solenoid valve thermocycling platform |
| CN215262425U (en) * | 2021-06-23 | 2021-12-21 | 博格华纳汽车零部件(宁波)有限公司 | Test bench and test system for testing slave cylinder in double-clutch system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014193A (en) * | 2022-08-10 | 2022-09-06 | 常州市旭泉精密电机有限公司 | No-load testing device with intelligent automatic fixing function for motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202793994U (en) | Cooling liquid multifunctional simulated use evaluation device for high-power diesel engine | |
| CN215262425U (en) | Test bench and test system for testing slave cylinder in double-clutch system | |
| CN113484017A (en) | Test bench and test system for testing slave cylinder in double-clutch system | |
| CN105158293A (en) | Visual testing system for heat transfer and scale inhibition property of oil sealing water cooler of oil refining device | |
| RU182400U1 (en) | TEST STAND | |
| CN207423766U (en) | A kind of experimental rig | |
| CN112660431A (en) | Integrated environmental simulation test device and method | |
| CN110231843A (en) | A kind of temperature, pressure air-supply comprehensive experimental device and method for aircraft electronic equipment | |
| CN111948031A (en) | Soil body direct shear test device considering water heating power salt coupling effect | |
| RU184856U1 (en) | STAND FOR TESTING OIL PUMPS OF THE INTERNAL COMBUSTION ENGINE | |
| CN208425094U (en) | A kind of server liquid cooling system | |
| CN220542359U (en) | Air tightness detection equipment | |
| CN110778572B (en) | Reliability and service life testing device for hydraulic valve matching parts | |
| CN209841641U (en) | Internal corrosion test bed for testing safety and accuracy | |
| CN108591438A (en) | A kind of experiment gear-box cooling system | |
| CN220119663U (en) | Cooling circulation device | |
| CN213039457U (en) | Heat pump air-cooled screw unit | |
| KR101336388B1 (en) | Air source heat pump system | |
| CN113266561B (en) | Test bed and test method suitable for reliability test of gas turbine lubricating oil pump | |
| CN211823226U (en) | Industrial oil cooling machine | |
| CN201540209U (en) | Highly efficient heat exchange system | |
| CN204989079U (en) | It conducts heat and visual test system of scale inhibiting performance to be used for oil refining equipment to seal oily water cooler | |
| CN209280530U (en) | Engine cool cavitation corrosion characteristic test apparatus | |
| CN208155484U (en) | A kind of Oil-temperature control system for gearbox test-bed | |
| CN209512342U (en) | It is low to follow a barrel oil return refrigeration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |