CN111473902A - Electromagnetic clutch joint pressure testing tool and testing method - Google Patents
Electromagnetic clutch joint pressure testing tool and testing method Download PDFInfo
- Publication number
- CN111473902A CN111473902A CN202010486288.3A CN202010486288A CN111473902A CN 111473902 A CN111473902 A CN 111473902A CN 202010486288 A CN202010486288 A CN 202010486288A CN 111473902 A CN111473902 A CN 111473902A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic clutch
- connecting rod
- tension
- rack
- driving
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a testing tool and a testing method for electromagnetic clutch joint pressure, wherein the testing tool comprises a rack, a driving mechanism, a connecting rod, a tension and compression sensor and a fixing plate; the rack comprises a rack plate and supporting legs, and the driving mechanism is arranged on the rack plate; the driving mechanism is connected with one end of the connecting rod, the connecting rod penetrates through the table board, the other end of the connecting rod is connected with the tension and compression sensor, and a driving part or a driven part of the electromagnetic clutch is detachably connected to the tension and compression sensor; the rack bottom is provided with the fixed plate, can dismantle on the fixed plate and be connected with electromagnetic clutch's driven part or initiative part. The testing tool can improve the accuracy of the electromagnetic clutch joint pressure test and the stability of the testing tool when the testing tool pulls and presses the sensor and the like to move up and down.
Description
Technical Field
The invention relates to the field of tool fixtures, in particular to a tool and a method for testing the engagement pressure of an electromagnetic clutch.
Background
At present, the design, manufacture and test of automobile parts gradually develop towards high precision. The electromagnetic clutch can make two parts which rotate in a mechanical transmission system, and under the condition that a driving part does not stop rotating, a driven part is combined with or separated from the driving part, so that the electromagnetic clutch is an automatic electromagnetic mechanical connector. Although the volume is small, the gear box can transmit larger torque, so the gear box is an important part of an automobile transmission system. It is very important to test the engagement pressure of the electromagnetic clutch (i.e., the electromagnetic attracting force between the driving member and the driven member) with high accuracy.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-precision electromagnetic clutch joint pressure test tool and a test method, which can ensure the stability and the precision of the electromagnetic clutch joint pressure test.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides an electromagnetic clutch joint pressure testing tool on one hand, which comprises a rack, a driving mechanism, a connecting rod, a tension and compression sensor and a fixing plate, wherein the rack is arranged on the rack;
the rack comprises a rack plate and supporting legs, and the driving mechanism is arranged on the rack plate;
the driving mechanism is connected with one end of the connecting rod, the connecting rod penetrates through the table board, the other end of the connecting rod is connected with the tension and compression sensor, and a driving part or a driven part of the electromagnetic clutch is detachably connected to the tension and compression sensor;
the rack bottom is provided with the fixed plate, can dismantle on the fixed plate and be connected with electromagnetic clutch's driven part or initiative part.
Optionally, the fixed plate is connected with a guide shaft, the guide shaft and the connecting rod are arranged at an interval from top to bottom, and the centers of the guide shaft and the connecting rod are aligned.
Optionally, the driving part is a fixed armature, the driven part is a movable armature disc, and a linear bearing and/or a bushing are arranged in the fixed armature or the movable armature disc.
Optionally, the driving mechanism includes a manual mechanism or an automatic mechanism, the manual mechanism is a handle, and the automatic mechanism is any one of a cylinder, a hydraulic cylinder, and a rotary-to-linear motion mechanism.
Optionally, a through hole is formed in the table plate for the connecting rod to pass through, an axial contact bearing is arranged on the through hole, or the through hole is a threaded hole, wherein the axial contact bearing is a thrust type axial contact bearing or an angular contact type axial contact bearing, and the number of the axial contact bearings is a plurality.
Optionally, the test fixture further comprises a gap measuring mechanism, wherein the gap measuring mechanism comprises a length scale or a length sensor and is used for measuring the gap between the driving part and the driven part.
Optionally, a base is arranged at the bottom of the rack, and the fixing plate is detachably connected to the base.
Optionally, the detachable connection is any one of a threaded connection, a snap connection, and a pinned connection.
The invention also provides a method for testing by using the testing tool, which comprises the following steps:
detachably connecting a driving part or a driven part of an electromagnetic clutch to the tension and compression sensor or the fixing plate;
energizing a coil of an electromagnetic clutch;
starting the driving mechanism, and driving a driving part or a driven part of the electromagnetic clutch to move up and down through the connecting rod and the tension and compression sensor;
and reading the data of the tension and compression sensor to obtain the engaging pressure value of the electromagnetic clutch.
Optionally, when the test fixture further includes a gap measuring mechanism, the test method further includes:
acquiring a gap size value between a driving part and a driven part;
and determining the corresponding relation between the gap size value and the combined pressure value, and drawing a relation graph between the gap size value and the joint pressure value in a two-dimensional coordinate system.
The test tool adopting the technical means has the following advantages:
the whole structure is simple, the manufacturing cost is low, the testing joint pressure is accurate and reliable, and the stability of the vertical linear motion of the tension and compression sensor is high.
Drawings
FIG. 1 is a schematic structural view of an electromagnetic clutch engagement pressure test fixture in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of an electromagnetic clutch engagement pressure test fixture in embodiment 2 of the present invention;
FIG. 3 is a schematic structural view of an electromagnetic clutch engagement pressure test fixture in embodiment 3 of the present invention;
FIG. 4 is a flow chart of a testing method using a test fixture according to an embodiment of the invention.
In the figure: 1. a handle; 2. an axial contact bearing; 3. a screw; 4. a tension and compression sensor; 5. a linear bearing; 6. a bushing; 7. a movable armature plate; 8. a guide shaft; 9. a fixed armature; 10. and (7) fixing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to the accompanying drawings 1-3, the embodiment of the invention discloses an electromagnetic clutch joint pressure testing tool, which comprises a rack, a driving mechanism 1, a connecting rod 3, a tension and compression sensor 4 and a fixing plate 10.
As can be seen from fig. 1, the stage includes a stage plate and four support legs, preferably, the four support legs are distributed at four corners of the stage plate, the driving mechanism 1 is disposed on the stage plate, the driving mechanism 1 is configured to drive the connecting rod 3 to drive the tension-compression sensor to move linearly up and down, and the specific composition thereof is not limited herein.
Specifically, actuating mechanism 1 with the one end of connecting rod 3 is connected, connecting rod 3 passes rack plate, the other end is connected with draw pressure sensor 4, draw and to dismantle the initiative part or the driven part that are connected with electromagnetic clutch on the pressure sensor 4, from this, drive connecting rod 3 and draw pressure sensor 4 etc. through actuating mechanism 1 and do rectilinear movement from top to bottom to the initiative part or the driven part that drive electromagnetic clutch do and reciprocate.
The tension and compression sensor is also called as a tension and compression sensor or a tension and compression sensor, preferably, the tension and compression sensor can be cylindrical on the whole, has the characteristics of high precision, high reliability, good stability and the like, and is convenient to install and use.
The rack bottom is provided with the fixed plate, can dismantle on the fixed plate and be connected with electromagnetic clutch's driven part or driving part, if driving part installs on drawing and pressing sensor 4 promptly, then driven part installs on fixed plate 10, if driven part installs on drawing and pressing sensor 4, then driving part installs on fixed plate 10 to there is certain clearance between driving part and driven part.
Therefore, through the test tool, accurate engaging pressure (namely electromagnetic suction force) in the clutch can be obtained after the electromagnetic clutch is electrified, the moving stability between the connecting rods is good, and the accurate reliability of the engaging pressure value is high.
Alternatively, a guide shaft 8 is connected to a central position of the fixing plate 10, and can guide the driving member or the driven member to move up and down in a predetermined direction, and the guide shaft can be connected to the fixing plate 10 by any fixing means such as welding, detachable connection, and the like. As can be seen from the attached drawings 1-3, the guide shaft and the connecting rod are arranged at intervals up and down and are aligned in the center, so that the moving stability and the testing precision are further ensured.
Optionally, the driving part of the electromagnetic clutch is a fixed armature 9, and the driven part is a movable armature disc 7, of course, the driving part of any electromagnetic clutch and the inner ring of the fixed armature or the movable armature disc are detachably provided with a linear bearing 5 and/or a bushing 6, and the straightness of the driving part and the driven part in translation can be further ensured through the arrangement of the linear bearing 5 and the bushing 6.
Optionally, the driving mechanism includes a manual mechanism or an automatic mechanism, the manual mechanism is the handle 1, and the automatic mechanism is any one of a cylinder, a hydraulic cylinder, and a rotary motion-to-linear motion mechanism.
Further, be provided with the through-hole on the rack board and supply connecting rod 3 passes, be provided with axial contact bearing 2 on the through-hole, perhaps the through-hole is the screw hole, wherein axial contact bearing 2 is thrust type axial contact bearing or angular contact formula axial contact bearing, and the quantity is a plurality.
The driving mechanism has different composition forms and different specific matching modes. If the driving mechanism only drives the tension and compression sensor 4 to do vertical linear movement, the driving mechanism can be a cylinder, a hydraulic cylinder or a lifting handle, see embodiment 1 or 2 specifically, and at the moment, one or more axial contact bearings can be arranged in the through hole, so that the straightness of the connecting rod 3 during lifting movement is ensured. If the driving mechanism is a mechanism that moves linearly up and down by rotating, for example, the driving mechanism is a rotary handle or a mechanism that changes rotational motion into linear motion, the transmission rod 3 can be a screw or a ball screw, and threads can be disposed at the through hole and the position of the tension/compression sensor 4, as described in embodiment 3 below.
Optionally, the test fixture further comprises a gap measuring mechanism, wherein the gap measuring mechanism comprises a length ruler or a length sensor, and the gap measuring mechanism can be vertically arranged on the side edges of the driving part and the driven part and used for measuring the gap between the driving part and the driven part.
Optionally, a base is arranged at the bottom of the rack, and the fixing plate is detachably connected to the base, wherein the detachable connection can be in various forms such as a bolt connection or a clamping connection.
Optionally, the detachable connection is any one of a threaded connection, a snap connection, and a pin connection, but other detachable connections are also within the scope of the present invention.
Referring to fig. 4, in another aspect, the present invention provides a method for testing by using the test tool described above, where the test method includes:
s110, detachably connecting a driving part or a driven part of an electromagnetic clutch to the tension and compression sensor 4 or the fixed plate 10;
s120, electrifying a coil of the electromagnetic clutch;
s130, starting the driving mechanism, and driving a driving part or a driven part of the electromagnetic clutch to move up and down through the connecting rod 3 and the tension and compression sensor 4 so as to enable the electromagnetic clutch to be in a continuous connection or separation state; during the period, the data of the tension and compression sensor is read, and the engaging pressure value of the electromagnetic clutch is obtained.
Optionally, when the test fixture further includes a gap measuring mechanism, the test method further includes:
acquiring a gap size value between a driving part and a driven part;
the correspondence between the gap size value and the bonding pressure value is determined, and then, the relationship between the gap size value and the bonding pressure value may be plotted in a two-dimensional coordinate system.
The following embodiments illustrate specific implementations of the test tool of the present invention.
Example 1
As shown in fig. 1, in embodiment 1, a motion device is composed of a handle 1, an axial contact bearing 2, and a connecting rod 3. The screw rod 3 is connected with the tension and compression sensor 4 through threads, and the tension and compression sensor 4 vertically moves up and down when the connecting rod 3 is rotated or lifted. The movable armature plate 7 and the tension and compression sensor 4 are fixed together in a threaded connection mode and move vertically. The movable armature plate 7 is supported by the linear bearing 5 and the linear bearing bush 6 and is sleeved on the guide shaft 8. The fixed armature 9 and the fixed plate 10 are fixed on the base of the rack together in a threaded connection mode.
Example 2
As shown in fig. 2, in embodiment 2, the handle 1, the axial contact bearing 2, and the connecting rod 3 constitute a motion device. The screw rod 3 is connected with the tension and compression sensor 4 through threads, and the tension and compression sensor vertically moves up and down when the screw rod is rotated. The fixed armature 9 and the tension and compression sensor 4 are fixed together in a threaded connection mode and move vertically. The fixed armature 9 is supported by the linear bearing 5 and the linear bearing bush 6 and is sleeved on the guide shaft 8. The movable armature plate 7 and the fixed plate 10 are fixed on the base of the rack together in a threaded connection mode;
example 3
As shown in fig. 3, in this embodiment 3, the other mechanisms are the same as those in embodiments 1 or 2, except that the connecting rod 3 may be a ball screw or a screw, and the driving mechanism may be a cylinder or a hydraulic cylinder, and a pneumatic or electric device capable of converting a rotary motion into a linear motion, such as a crank block, a cam, a rack and pinion, a ball screw, a linear motor, and the like.
The foregoing is merely a specific embodiment of the present invention, and other modifications and variations based on the above embodiments may be made by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the appended claims.
Claims (10)
1. The electromagnetic clutch joint pressure testing tool is characterized by comprising a rack, a driving mechanism, a connecting rod, a tension and compression sensor and a fixing plate;
the rack comprises a rack plate and supporting legs, and the driving mechanism is arranged on the rack plate;
the driving mechanism is connected with one end of the connecting rod, the connecting rod penetrates through the table board, the other end of the connecting rod is connected with the tension and compression sensor, and a driving part or a driven part of the electromagnetic clutch is detachably connected to the tension and compression sensor;
the rack bottom is provided with the fixed plate, can dismantle on the fixed plate and be connected with electromagnetic clutch's driven part or initiative part.
2. The test fixture of claim 1, wherein the fixing plate is connected with a guide shaft, and the guide shaft and the connecting rod are arranged at an interval from top to bottom and are aligned in the center.
3. The test tool according to claim 2, wherein the driving part is a fixed armature, the driven part is a movable armature disc, and a linear bearing and/or a bushing are arranged in the fixed armature or the movable armature disc.
4. The test fixture of claim 1, wherein the driving mechanism comprises a manual mechanism or an automatic mechanism, the manual mechanism is a handle, and the automatic mechanism is any one of a cylinder, a hydraulic cylinder and a rotary-to-linear motion mechanism.
5. The test tool according to claim 1, wherein the rack plate is provided with a through hole for the connecting rod to pass through, the through hole is provided with an axial contact bearing, or the through hole is a threaded hole, and the axial contact bearings are thrust axial contact bearings or angular contact axial contact bearings, and the number of the axial contact bearings is several.
6. The test tool of claim 1, further comprising a clearance measurement mechanism comprising a length scale or a length sensor for measuring a clearance between the driving component and the driven component.
7. The test fixture of claim 1, wherein a base is disposed at a bottom of the rack, and the fixing plate is detachably connected to the base.
8. The test fixture of any one of claims 1-7, wherein the detachable connection is any one of a threaded connection, a snap connection, and a bayonet connection.
9. A method of testing the test tool of any one of claims 1-8, the method comprising:
detachably connecting a driving part or a driven part of an electromagnetic clutch to the tension and compression sensor or the fixing plate;
energizing a coil of an electromagnetic clutch;
starting the driving mechanism, and driving a driving part or a driven part of the electromagnetic clutch to move up and down through the connecting rod and the tension and compression sensor;
and reading the data of the tension and compression sensor to obtain the engaging pressure value of the electromagnetic clutch.
10. The test method of claim 9, wherein the test fixture includes a clearance measurement mechanism, the test method further comprising:
acquiring a gap size value between a driving part and a driven part;
and determining the corresponding relation between the gap size value and the combined pressure value, and drawing a relation graph between the gap size value and the joint pressure value in a two-dimensional coordinate system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486288.3A CN111473902A (en) | 2020-06-01 | 2020-06-01 | Electromagnetic clutch joint pressure testing tool and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486288.3A CN111473902A (en) | 2020-06-01 | 2020-06-01 | Electromagnetic clutch joint pressure testing tool and testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111473902A true CN111473902A (en) | 2020-07-31 |
Family
ID=71765586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010486288.3A Pending CN111473902A (en) | 2020-06-01 | 2020-06-01 | Electromagnetic clutch joint pressure testing tool and testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111473902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518627A (en) * | 2020-12-11 | 2021-03-19 | 芜湖大捷离合器有限公司 | Multifunctional tester clamping device for full-automatic automobile clutch cover assembly |
| WO2023020035A1 (en) * | 2021-08-19 | 2023-02-23 | 索璞科技(海宁)有限公司 | Magnetic force measuring device |
-
2020
- 2020-06-01 CN CN202010486288.3A patent/CN111473902A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518627A (en) * | 2020-12-11 | 2021-03-19 | 芜湖大捷离合器有限公司 | Multifunctional tester clamping device for full-automatic automobile clutch cover assembly |
| CN112518627B (en) * | 2020-12-11 | 2022-03-11 | 芜湖大捷离合器有限公司 | Multifunctional tester clamping device for full-automatic automobile clutch cover assembly |
| WO2023020035A1 (en) * | 2021-08-19 | 2023-02-23 | 索璞科技(海宁)有限公司 | Magnetic force measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865742B (en) | Device for testing push-pull force of electromagnet | |
| CN111473902A (en) | Electromagnetic clutch joint pressure testing tool and testing method | |
| CN108760548B (en) | Double-stroke hybrid driving micro-nano indentation/scratch testing device | |
| KR102197957B1 (en) | Runout measuring device for motor front cover section | |
| CN112128255B (en) | Automatic assembling device for inner ring and outer ring of high-speed bearing for machinery | |
| CN110954427B (en) | Multifunctional miniature precision bearing experiment platform | |
| CN110658350A (en) | Electric liquid transfer device | |
| CN112179234B (en) | Ball axial runout rapid detection device | |
| CN108918101B (en) | Precision and efficiency detection device for small planetary roller screw pair | |
| CN109708874A (en) | Ball screw assembly, vibration and noise measuring device and measuring method | |
| CN212180150U (en) | Electromagnetic clutch joint pressure test tool | |
| CN209372411U (en) | Ball screw assembly, vibration and noise measuring device | |
| CN113125151A (en) | Precision lead screw comprehensive performance testing device | |
| CN107957339B (en) | Load device of electronic parking actuator performance detection equipment | |
| CN110307972A (en) | A kind of lead screw guide rails interval reciprocating motion reliability test bench | |
| CN110608943B (en) | Device for adjusting perpendicularity of actuating rod of portable micro-meter pressing-in instrument | |
| CN211877994U (en) | Reciprocating micro-displacement actuating device | |
| CN111720509A (en) | Accurate-pressing combined type motion actuator with embedded pressure sensor | |
| CN210720436U (en) | Electric liquid transfer device | |
| CN104634565A (en) | Automatic gear flywheel axial fatigue testing machine | |
| CN112880728A (en) | High-precision position sensor testing device | |
| CN211346706U (en) | Accurate measuring device for hub bearing | |
| CN109163646B (en) | Coaxiality detection device | |
| CN212959734U (en) | Accurate-pressing combined type motion actuator with embedded pressure sensor | |
| CN219265198U (en) | Pulse solenoid valve coil degree of depth check out test set |
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 |