CN111735637B - Dynamic automatic dynamic balance brake instrument inspection bench - Google Patents
Dynamic automatic dynamic balance brake instrument inspection bench Download PDFInfo
- Publication number
- CN111735637B CN111735637B CN201911425882.5A CN201911425882A CN111735637B CN 111735637 B CN111735637 B CN 111735637B CN 201911425882 A CN201911425882 A CN 201911425882A CN 111735637 B CN111735637 B CN 111735637B
- Authority
- CN
- China
- Prior art keywords
- plate
- screw
- face
- steel wire
- screws
- 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.)
- Expired - Fee Related
Links
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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention relates to an automobile detection device used in the field of automobile industry, in particular to a dynamic automatic dynamic balance brake instrument inspection bench. The technical problem to be solved is to adjust the mass distribution of the rotating part in an automatic control mode when the portable brake performance tester is dynamically measured, and dynamically compensate the dynamic unbalance, thereby improving the measurement precision and providing the test bench of the dynamic automatic dynamic balance brake tester. The dynamic balance can be dynamically adjusted according to the acceleration change condition measured by the acceleration measuring unit, the influence of vibration generated by dynamic unbalance on a measuring result is reduced, and the measuring precision is improved. The lower plane of the detected instrument is vertically arranged with the horizontal plane, and the influence of acceleration coupling generated by rotation in the thickness direction on the measurement result is reduced due to small thickness size, so that the detected instrument only needs to be adjusted in one direction.
Description
Technical Field
The invention relates to an automobile detection device used in the field of automobile industry, in particular to a dynamic automatic dynamic balance brake instrument inspection bench.
Background
With the rapid development of automobile industry in China, traffic accidents are more and more frequent, one of the main reasons is that the traffic accidents are influenced by the braking performance of automobiles, the driving safety of the automobiles is directly influenced by the quality of the braking performance of the automobiles, a portable braking performance tester commonly used in the existing vehicle detection line is a main tool for measuring the quality of the braking performance of the automobiles, and the verification of the braking performance tester is most important because the portable braking performance tester can accurately detect the braking performance of the automobiles only by a qualified braking performance tester.
The Chinese patent publication number is "CN 101173878A", the publication date is 2008.05.07, the name of the utility model is static and dynamic acceleration testing device, the application number is "200710171009.9", and a static and dynamic acceleration testing device is disclosed in the case. The device has two detection means of static state and dynamic state, and is convenient to install, but the device has the following problems in use:
1. the bevel gear is adopted for transmission, the vibration is large, the measurement result is directly influenced, the accuracy of the measurement result is difficult to ensure,
2. the axial line of the sensor can not be ensured to pass through the revolution center of the rotating platform, and the centripetal acceleration generated by rotation influences the measurement result.
Chinese patent publication number is "CN 201335773Y", and the announcement day is 2009.10.28, the utility model discloses a dynamic calibration device of portable braking tester, application number is "200820202013.7", has disclosed a dynamic calibration device of portable braking tester in this case, this utility model can realize dynamic calibration, simple structure, but the device in use has following problem:
1. the measuring range is limited, and the acceleration within one g can be measured.
2. During dynamic measurement, the acceleration generated by rotation influences the measurement result and cannot ensure that the sine of the rotation angle changes linearly.
The Chinese patent publication number is 'CN 201510105166.4', the publication date is 2015.06.24, the invention name is a brake performance tester calibrating device, the application number is '201510105166.4', and the invention discloses a dynamic and static calibrating device of a portable brake tester. However, there are the following problems:
1. different braking performance testers are different in appearance and weight, and different in installation position during testing, so that the center positions of the rotating parts of the calibration device are different, dynamic balance is damaged, and a working chamber can generate noise and vibration;
2. because the dynamic balance is not good, and the acceleration change is realized by changing the rotating speed, the acceleration caused by the vibration generated by the dynamic unbalance influences the measurement result during the dynamic calibration, and particularly the influence is larger at high rotating speed.
Disclosure of Invention
The invention aims to solve the technical problem that when a portable brake performance tester is used for carrying out dynamic measurement, the mass distribution of a rotating part is adjusted in an automatic control mode, and dynamic unbalance is dynamically compensated, so that the measurement precision is improved, and the inspection bench for the dynamic automatic dynamic balance brake tester is provided.
To solve the above technical problem, the technical solution adopted by the present invention with reference to fig. 1 to 23 is:
the test bench of the dynamic automatic dynamic balance brake instrument consists of a rotary assembly, a numerical control system and a sliding table fixture. The lower end faces of the 4 rotationally assembled foundation screws are placed on the ground, and the level of the equipment can be adjusted. The lower end surface of the numerical control system is attached to the upper end surface of the lower plate of the base, and the screw is locked; and power lines, signal lines and the like are connected with corresponding ports of the direct drive motor, the speed reducing motor and the acceleration measuring unit through slip rings. The bottom surface of the sliding table in the assembly of the sliding table fixture is attached to the upper surface of the rotating seat plate, and the screw is locked.
The rotary assembly is composed of a base, a sliding ring positioning part, a fixed plate, a sliding ring connecting plate, a sliding ring, a fixed ring, a movable ring, a direct-drive motor, a rotor, a stator, a rotary seat plate, a spring hole, a pin sliding groove, a screw head sliding groove, a sliding ring sliding groove, a counterweight part, a steel wire rope jack, a locking screw hole, a speed reduction motor, a positioning surface, a steel wire winding wheel, a steel wire rope jack, a locking screw hole, a steel wire rope, an acceleration measuring unit, a dovetail groove connecting plate, a pin hole, a spring, a pin, a spring force adjusting part, a foundation screw and a sliding. The foundation screws are screwed into the screw holes of the lower plate of the base, the lower end face of the stator of the direct drive motor is attached to the upper end face of the upper plate of the base, and the screws are locked; the upper end face of the rotor is attached to the lower end face of the dovetail groove connecting plate, and the screw is locked; the pin is inserted into the pin hole, and the lower end face of the pin is superposed with the lower end face of the dovetail groove connecting plate. The dovetail at the lower side of the rotary seat plate is inserted into the dovetail groove of the dovetail groove connecting plate and can slide along the longitudinal direction. The pin is inserted into the pin runner. The rotating ring of the sliding ring is inserted into the sliding ring sliding groove, the lower end face of the rotating ring is attached to the lower plate of the rotating seat plate, the sliding ring screw is installed in the rotating ring screw hole, and the head cylinder of the sliding ring screw is just inserted into the screw head sliding groove. The lower end face of the fixed ring is attached to the inner end face of a slip ring connecting plate positioned by the slip ring, and a screw is locked; the outer end face of the fixed plate is attached to the lower plane of the upper plate of the base, and the screw is locked. The positioning surface of the speed reducing motor is attached to the bottom surface of the rotating seat plate, and the screw is locked; the output shaft of the speed reducing motor is inserted into the semicircular hole of the steel wire winding wheel, and the screw is tightly propped; the counterweight is inserted into the rectangular hole of the rotating seat plate, one end of the steel wire rope is inserted into the steel wire rope insertion hole, and locking is carried out; the other end of the steel wire rope is inserted into the steel wire rope inserting hole of the steel wire winding wheel, and the screw is locked. 2 springs are respectively inserted from two ends of the spring hole to tightly push two sides of the cylindrical surface of the pin; the 2 spring force adjusting pieces are screwed in from two sides of the spring hole respectively to tightly push the end face of the spring, the screwing degree is adjusted, and when the pin is located at the length center of the pin chute, the 2 spring forces are equal. The lower plane of the acceleration measuring unit is attached to the upper plane of the lower plate of the rotating seat plate, and the screws are locked.
The sliding table fixture assembly comprises a sliding table, a sliding table plate, a fixture base plate, a bottom plate, a guide post, a rubber pressing plate, a detected instrument, a locking nut and the like. The lower surface of the bottom plate of the fixture seat plate is attached to the upper plane of the sliding table plate of the sliding table, and the screws are locked. The guide post is inserted into the rubber press plate hole, and the locking nut is in threaded connection with the guide post and tightly supports the side face of the rubber press plate. The inclined plane of the rubber pressing plate tightly pushes against the end face of the detected instrument, and the lower plane of the detected instrument tightly clings to the inner plane of the vertical plate of the fixture seat plate.
Compared with the prior art, the invention has the advantages that:
1. the dynamic balance can be dynamically adjusted according to the acceleration change condition measured by the acceleration measuring unit, the influence of vibration generated by dynamic unbalance on a measuring result is reduced, and the measuring precision is improved.
2. The lower plane of the detected instrument is vertically arranged with the horizontal plane, and the influence of acceleration coupling generated by rotation in the thickness direction on the measurement result is reduced due to small thickness size, so that the detected instrument only needs to be adjusted in one direction.
Drawings
FIG. 1 is a perspective view of a dynamic automatic dynamic balance brake tester inspection station of the present invention;
FIG. 2 is a perspective view of the present invention in a rotated assembly;
FIG. 3 is a perspective view of the swivel mount of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a partial cross-sectional projection view of the swivel assembly of the present invention.
FIG. 6 is a top plan view of the swivel assembly of the present invention;
FIG. 7 is a perspective view of the base of the present invention;
FIG. 8 is a perspective view of the slip ring positioning of the present invention;
FIG. 9 is a perspective view of the slip ring of the present invention;
FIG. 10 is a perspective view of a direct drive motor of the present invention;
FIG. 11 is a perspective view of the swivel base of the present invention;
FIG. 12 is a cross-sectional view B-B of FIG. 11 in accordance with the present invention;
FIG. 13 is a perspective view of the swivel base plate of the present invention;
fig. 14 is a perspective view of the weight member;
FIG. 15 is a perspective view of the gear motor of the present invention;
FIG. 16 is a perspective view of the wire reel of the present invention;
FIG. 17 is a perspective view of an acceleration measurement unit of the present invention;
FIG. 18 is a perspective view of a dovetail slot attachment plate of the present invention;
FIG. 19 is a perspective view of the spring force adjustment member of the present invention;
fig. 20 is an assembled perspective view of the slide clamp of the present invention;
FIG. 21 is a perspective view of the slide table of the present invention;
FIG. 22 is a perspective view of a fixture base plate of the present invention;
FIG. 23 is a perspective view of the rubber platen of the present invention;
in the figure: 1. rotating assembly, 2 numerical control system, 3 sliding table fixture assembly, 101 base, 102 sliding ring positioning, 10201 fixed plate, 10202 sliding ring connecting plate, 103 sliding ring, 10301 fixed ring, 10302 movable ring, 104 direct drive motor, 10401 rotor, 10402 stator, 105 rotating seat plate, 10501 spring hole, 10502 pin sliding groove, 10503 screw head sliding groove, 10504 sliding ring sliding groove, 106 counterweight member, 10601 steel wire rope jack, 10602 locking screw hole, 107 speed reduction motor, 10701 positioning surface, 108 steel wire reel wheel, 10801 steel wire rope jack, 10802 locking screw hole, 109 steel wire rope, 110 acceleration measuring unit, 111 dovetail groove connecting plate, 11101 column pin hole, 112 spring, 113 column pin, 114 spring force adjusting member, 115 screw, 116 sliding ring screw, 201 sliding table, 20101 sliding table plate, 202 sliding table fixture plate, 20201 base plate, 20202. guide column 203, rubber pressing plate 204, detected instrument 205 and locking nut.
Detailed Description
The details and operation of the present invention are further described with reference to the accompanying figures 1-23.
The dynamic automatic dynamic balance brake tester inspection bench consists of a rotary assembly 1, a numerical control system 2 and a sliding table fixture assembly 3. The lower end faces of the 4 anchor screws 115 of the rotating assembly 1 are placed on the ground, and the level of the equipment can be adjusted. The lower end face of the numerical control system 2 is attached to the upper end face of the lower plate of the base 101, and the screws are locked; and power lines, signal lines and the like are connected with corresponding ports of the direct drive motor 104, the speed reducing motor 107 and the acceleration measuring unit 110 through the slip ring 103. The bottom surface of the sliding table 201 in the sliding table fixture assembly 3 is attached to the upper surface of the rotating seat plate 105, and the screw is locked.
The rotating assembly 1 comprises a base 101, a slip ring positioning 102, a fixed plate 10201, a slip ring connecting plate 10202, a slip ring 103, a fixed ring 10301, a movable ring 10302, a direct drive motor 104, a rotor 10401, a stator 10402, a rotating seat plate 105, a spring hole 10501, a pin sliding groove 10502, a screw head sliding groove 10503, a slip ring sliding groove 10504, a counterweight 106, a steel wire rope insertion hole 10601, a locking screw hole 10602, a speed reduction motor 107, a positioning surface 10701, a steel wire winding wheel 108, a steel wire rope insertion hole 10801, a locking screw hole 10802, a steel wire rope 109, an acceleration measuring unit 110, a dovetail groove connecting plate 111, a pin hole 11101, a spring 112, a pin 113, a spring force adjusting part 114, a ground screw 115 and a slip ring screw 116. The anchor screws 115 are screwed into the screw holes on the lower plate of the base 101, the lower end surface of the stator 10402 of the direct drive motor 104 is attached to the upper end surface of the upper plate of the base 101, and the screws are locked; the upper end face of the rotor 10401 is attached to the lower end face of the dovetail groove connecting plate 111, and is locked by screws; the pin 113 is inserted into the pin hole 11101, and the lower end surface of the pin 113 coincides with the lower end surface of the dovetail groove connection plate 111. The lower dovetail of the rotation seat plate 105 is inserted into the dovetail groove of the dovetail groove connection plate 111 and is slidable in the longitudinal direction. The pin 113 is inserted into the pin runner 10502. The movable ring 10302 of the sliding ring 103 is inserted into the sliding groove 10504, the lower end face of the movable ring 10302 is attached to the lower plate of the rotating seat plate 105, the sliding ring screw 116 is installed in the screw hole of the movable ring 10302, and the head cylinder of the sliding ring screw 116 is just inserted into the screw head sliding groove 10503. The lower end face of the fixed ring 10301 is attached to the inner end face of the slip ring connecting plate 10202 of the slip ring positioning 102, and the screws are locked; the outer end face of the fixed plate 10201 is attached to the lower plane of the upper plate of the base 101 and locked by screws. The positioning surface 10701 of the speed reducing motor 107 is attached to the bottom surface of the rotating seat plate 105 and locked by screws; an output shaft of a speed reducing motor 107 is inserted into a semicircular hole of a steel wire winding wheel 108, and a screw is tightly pressed; the weight member 106 is inserted into a rectangular hole of the rotating seat plate 105, one end of the steel wire rope 109 is inserted into the steel wire rope insertion hole 10601, and locking is carried out; the other end of the steel wire 109 is inserted into a steel wire insertion hole 10801 of the steel wire reel 108, and the screw is locked. 2 springs 112 are respectively inserted from two ends of the spring hole 10501 and tightly prop against two sides of the cylindrical surface of the pin 113; the 2 spring force adjusting pieces 114 are screwed into the end faces of the abutting springs 112 from the two sides of the spring hole 10501 respectively, the screwing degree is adjusted, and when the pin 113 is located at the length center position of the pin chute 10502, the elastic forces of the 2 springs 112 are equal. The lower plane of the acceleration measuring unit 110 is attached to the upper plane of the lower plate of the rotating seat plate 105, and the screw is locked.
The sliding table fixture assembly 3 comprises a sliding table 201, a sliding table plate 20101, a fixture base plate 202, a bottom plate 20201, a guide column 20202, a rubber pressing plate 203, a detected instrument 204, a locking nut 205 and the like. The lower surface of the bottom plate 20201 of the fixture seat plate 202 is attached to the upper surface of the slide plate 20101 of the slide table 201, and the screws are locked. The guide post 20202 is inserted into the hole of the rubber pressing plate 203, and the locking nut 205 is in threaded connection with the guide post 20202 and tightly pushes against the side surface of the rubber pressing plate 203. The inclined surface of the rubber pressing plate 203 tightly pushes against the end surface of the detected instrument 204, and the lower plane of the detected instrument 204 tightly clings to the inner plane of the vertical plate of the fixture base plate 202.
The working process of the dynamic automatic dynamic balance brake instrument inspection bench is as follows:
after the installation of the detected instrument 204 is completed, the system is started. The direct drive motor 104 is started, and the rotor 10401 drives the dovetail groove connecting plate 111, the rotating seat plate 105, the counterweight 106, the reduction motor 107 and the like and the slide table fixture assembly 3 to rotate. If the center of gravity of the entire rotating portion coincides with the rotation center, the rotating base plate 105, and the weight member 106, the reduction motor 107, and the like, and the slide table jig assembly 3 fixedly connected thereto do not slide relatively along the dovetail groove length direction of the dovetail groove connection plate 111, and the acceleration measured by the acceleration measuring unit 110 is equal to the initial acceleration system. The initial acceleration is calculated as follows:
when the pin 113 is located at the center of the length of 105 and the pin sliding groove 10502, the distance between the acceleration sensor and the rotation center is r0The initial acceleration is a when the rotational speed is omega0＝ω2r0；
For the weight 106, let the mass be mpDistance r from the center of rotationp0Then its centripetal acceleration ap0＝ω2rp0；
If the center of gravity of the rotating part does not coincide with the center of rotation, the rotating base plate 105, and the weight member 106, the reduction motor 107, etc. and the slip table jig assembly 3 fixedly connected thereto are relatively slid along the dovetail groove length direction of the dovetail groove connection plate 111 until the difference in elastic force generated between the 2 springs 112 satisfies the circular motion condition. Acceleration (a) measured by the acceleration measuring unit due to a change in the distance of the acceleration sensor from the center of rotation1) With initial acceleration (a)0) Generating a difference value (a)1-a0). At the moment, the numerical control system 2 sends out a signal according to the acceleration difference value to control the speed reduction motor 107 to rotate according to the required direction and angle, so that the steel wire rope 109 drives the counterweight 106 to adjust along the direction of the rotating radius, and the adjustment amount is delta rp＝-2k(a1-a0)/(mpω4) Where k is the spring constant of the spring 112.
After adjustment, the center of gravity of the rotating part coincides with the center of rotation, so that the measurement result is more accurate.
Claims (1)
1. A test bench for a dynamic automatic dynamic balance brake instrument is characterized in that the test bench for the dynamic automatic dynamic balance brake instrument consists of a rotary assembly (1), a numerical control system (2) and a sliding table fixture assembly (3); the lower end faces of 4 foundation screws (115) of the rotating assembly (1) are placed on the ground; the lower end face of the numerical control system (2) is attached to the upper end face of the lower plate of the base (101), and the screws are locked; a power line and a signal line are connected with corresponding ports of the direct drive motor (104), the speed reducing motor (107) and the acceleration measuring unit (110) through a slip ring (103); the bottom surface of a sliding table (201) in the sliding table fixture assembly (3) is attached to the upper surface of the rotating seat plate (105), and the sliding table fixture assembly is locked by screws;
the rotating assembly (1) is composed of a base (101), a slip ring positioning part (102), a fixing plate (10201), a slip ring connecting plate (10202), a slip ring (103), a fixed ring (10301), a movable ring (10302), a direct drive motor (104), a rotor (10401), a stator (10402), a rotating seat plate (105), a spring hole (10501), a pin chute (10502), a screw head chute (10503), a slip ring chute (10504), a counterweight part (106), a steel wire rope jack (10601), a locking screw hole (10602), a speed reduction motor (107), a positioning surface (10701), a steel wire reel (108), a steel wire rope jack (10801), a locking screw hole (10802), a steel wire rope (109), an acceleration measuring unit (110), a dovetail groove connecting plate (111), a pin hole (11101), a spring (112), a pin (113), a spring force adjusting part (114), a screw (115) and a slip ring anchor screw (116); the anchor screws (115) are screwed into the screw holes of the lower plate of the base (101), the lower end surface of the stator (10402) of the direct drive motor (104) is attached to the upper end surface of the upper plate of the base (101), and the screws are locked; the upper end face of the rotor (10401) is attached to the lower end face of the dovetail groove connecting plate (111) and locked by screws; the pin (113) is inserted into the pin hole (11101), and the lower end face of the pin (113) is superposed with the lower end face of the dovetail groove connecting plate (111); the dovetail at the lower side of the rotating seat plate (105) is inserted into the dovetail groove of the dovetail groove connecting plate (111) and can slide along the longitudinal direction; the pin (113) is inserted into the pin chute (10502); a moving ring (10302) of the sliding ring (103) is inserted into a sliding ring sliding groove (10504), the lower end face of the moving ring (10302) is attached to the upper surface of a lower plate of the rotating seat plate (105), a sliding ring screw (116) is arranged in a screw hole of the moving ring (10302), and a head cylinder of the sliding ring screw (116) is just inserted into a screw head sliding groove (10503); the lower end face of the fixed ring (10301) is attached to the inner end face of a slip ring connecting plate (10202) of the slip ring positioning (102) and locked by screws; the outer end face of the fixed plate (10201) is attached to the lower plane of the upper plate of the base (101) and locked by screws; a positioning surface (10701) of the speed reducing motor (107) is attached to the bottom surface of the rotating seat plate (105) and locked by screws; an output shaft of the speed reducing motor (107) is inserted into the semicircular hole of the steel wire winding wheel (108), and the screw is tightly pressed; the counterweight (106) is inserted into a rectangular hole of the rotating seat plate (105), one end of a steel wire rope (109) is inserted into a steel wire rope insertion hole (10601), and locking is carried out; the other end of the steel wire rope (109) is inserted into a steel wire rope jack (10801) of the steel wire reel (108), and the screw is locked; 2 springs (112) are respectively inserted from two ends of the spring hole (10501) to tightly push two sides of the cylindrical surface of the pin (113); 2 spring force adjusting pieces (114) are screwed into the end faces of the jacking springs (112) from two sides of the spring holes (10501) respectively; the lower plane of the acceleration measuring unit (110) is attached to the upper plane of the lower plate of the rotating seat plate (105), and the screws are locked;
the sliding table fixture assembly (3) consists of a sliding table (201), a sliding table plate (20101), a fixture base plate (202), a bottom plate (20201), a guide column (20202), a rubber pressing plate (203), an instrument to be detected (204) and a locking nut (205); the lower surface of the bottom plate (20201) of the fixture seat plate (202) is attached to the upper plane of the sliding table plate (20101) of the sliding table (201), and the upper plane is locked by screws; the guide post (20202) is inserted into the hole of the rubber pressure plate (203), and the locking nut (205) is in threaded connection with the guide post (20202) and tightly props against the side surface of the rubber pressure plate (203); the inclined plane of the rubber pressing plate (203) tightly pushes against the end face of the detected instrument (204), and the lower plane of the detected instrument (204) tightly clings to the inner plane of the vertical plate of the fixture seat plate (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425882.5A CN111735637B (en) | 2019-12-24 | 2019-12-24 | Dynamic automatic dynamic balance brake instrument inspection bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425882.5A CN111735637B (en) | 2019-12-24 | 2019-12-24 | Dynamic automatic dynamic balance brake instrument inspection bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111735637A CN111735637A (en) | 2020-10-02 |
| CN111735637B true CN111735637B (en) | 2021-04-30 |
Family
ID=72646128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911425882.5A Expired - Fee Related CN111735637B (en) | 2019-12-24 | 2019-12-24 | Dynamic automatic dynamic balance brake instrument inspection bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111735637B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000352548A (en) * | 1999-06-10 | 2000-12-19 | Ono Sokki Co Ltd | Driving operation apparatus and its mounting device |
| CN201335773Y (en) * | 2008-10-17 | 2009-10-28 | 广州市计量检测技术研究院 | Dynamic calibrating device of portable braking tester |
| CN102692264A (en) * | 2012-05-14 | 2012-09-26 | 西北工业大学 | Test bench and test method for mass, position of center of mass and rotational inertia |
| CN104677647A (en) * | 2015-03-11 | 2015-06-03 | 吉林大学 | Brake performance tester calibrating device |
| CN205483592U (en) * | 2016-03-26 | 2016-08-17 | 吉林大学 | Braking appearance is decided mechanical type accuse quick -mounting of rotational speed calibration and is put |
| CN107024357A (en) * | 2017-05-04 | 2017-08-08 | 河南省计量科学研究院 | A kind of portable brake performance tester calibrating installation and its calibration method |
| CN110567731A (en) * | 2019-08-15 | 2019-12-13 | 吉林大学 | double-rotation brake performance tester inspection bench |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344382A (en) * | 2013-07-09 | 2013-10-09 | 浙江省计量科学研究院 | Roller counterforce type automobile brake inspection table dynamic braking force two-wheeled calibrating instrument |
| CN207095869U (en) * | 2017-08-24 | 2018-03-13 | 邢台中测仪器设备有限公司 | Vehicles Brake Test Bench dynamic calibration instrument |
-
2019
- 2019-12-24 CN CN201911425882.5A patent/CN111735637B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000352548A (en) * | 1999-06-10 | 2000-12-19 | Ono Sokki Co Ltd | Driving operation apparatus and its mounting device |
| CN201335773Y (en) * | 2008-10-17 | 2009-10-28 | 广州市计量检测技术研究院 | Dynamic calibrating device of portable braking tester |
| CN102692264A (en) * | 2012-05-14 | 2012-09-26 | 西北工业大学 | Test bench and test method for mass, position of center of mass and rotational inertia |
| CN104677647A (en) * | 2015-03-11 | 2015-06-03 | 吉林大学 | Brake performance tester calibrating device |
| CN205483592U (en) * | 2016-03-26 | 2016-08-17 | 吉林大学 | Braking appearance is decided mechanical type accuse quick -mounting of rotational speed calibration and is put |
| CN107024357A (en) * | 2017-05-04 | 2017-08-08 | 河南省计量科学研究院 | A kind of portable brake performance tester calibrating installation and its calibration method |
| CN110567731A (en) * | 2019-08-15 | 2019-12-13 | 吉林大学 | double-rotation brake performance tester inspection bench |
Non-Patent Citations (2)
| Title |
|---|
| Investigation of the dynamic response in a dry friction process using a rotating stick–slip tester;P.D.Neis;《Wear》;20110729;第2640-2650页 * |
| 便携式制动性能测试仪校准过程;张洪宝;《上海计量测试》;20181231;第45卷(第6期);第45-46页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111735637A (en) | 2020-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113237417B (en) | Device, system and method for testing bearing clearance of air bearing motor | |
| CN106441707B (en) | Digital rotating body static balance measuring device and measuring method | |
| CN210741751U (en) | Rotor dynamic balance testing device | |
| CN110567731B (en) | Double-rotation brake performance tester inspection bench | |
| CN111735637B (en) | Dynamic automatic dynamic balance brake instrument inspection bench | |
| CN112345245A (en) | Bearing static stiffness test device and test method thereof | |
| CN109612631B (en) | Engine rotational inertia measuring device | |
| CN209559171U (en) | A kind of brake rim inner hole detector | |
| CN111735616B (en) | Mechanical automatic dynamic balance brake performance tester inspection bench | |
| CN108444661B (en) | Oblique circle spring fatigue test platform | |
| CN213543454U (en) | Cylindrical part deflection detection device | |
| CN109798860A (en) | A kind of brake rim inner hole detector | |
| CN113155477A (en) | Gravity acceleration superposition brake performance tester inspection bench | |
| CN103018053A (en) | Clamp for footstep motion parameter admeasuring apparatus | |
| CN113125166A (en) | Installation structure and installation method of rotating hub tension and compression sensor of chassis dynamometer | |
| CN219776597U (en) | Crankshaft taper detection tool | |
| CN219776580U (en) | Gear transmission device bearing play measuring equipment | |
| CN214407880U (en) | Testing device of high-speed dynamic balancing machine | |
| CN220437327U (en) | Coaxiality detection device for valve seat hole and guide pipe hole of cylinder cover | |
| CN114354190B (en) | Motor bearing random dynamic load testing device and testing method | |
| CN220670427U (en) | Straightness accuracy gauge tool | |
| CN219714611U (en) | Torque calibration device of high-power hydraulic transmission test system | |
| CN117387929B (en) | A/C swing head clamping force static and dynamic detection device | |
| CN220670930U (en) | Vibration measuring instrument | |
| CN217465738U (en) | Rotary overall dimension detection device |
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 | ||
| GR01 | Patent grant | ||
| 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: 20210430 Termination date: 20211224 |