CN110879181A - Testing device and testing method for Booth rubber - Google Patents
Testing device and testing method for Booth rubber Download PDFInfo
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- CN110879181A CN110879181A CN201911117054.5A CN201911117054A CN110879181A CN 110879181 A CN110879181 A CN 110879181A CN 201911117054 A CN201911117054 A CN 201911117054A CN 110879181 A CN110879181 A CN 110879181A
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- booth
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 239000002184 metal Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a testing device and a testing method for Booth rubber. The device comprises a workbench provided with a grooving track, a bearing and a motor which are fixed on the workbench through the grooving track, and a controller electrically connected with the motor; the motor is connected with one end, provided with the booth, of the piece to be tested in an angle mode, and the rubber ring on the booth is mechanically twisted during connection, so that the device can test the capacity of bearing the mechanical twist. The invention can simulate the working environment of the Booth rubber during actual working on the air conditioner and realize the detection of the mechanical distortion bearing capacity of the Booth rubber fittings.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a testing device and a testing method for Booth rubber.
Background
The cross-flow fan blade for the air conditioner is an important component of the air conditioner. When the cross-flow fan blade is installed on the whole machine, a motor shaft matched with the cross-flow fan blade and a shaft welded on the cross-flow fan blade are not necessarily completely in a straight line, a certain error value exists, a flexible component matched with rubber, such as a booth used for the cross-flow fan blade, is needed to adapt to the influence caused by the error, and if the capacity of the rubber part on the booth for bearing mechanical distortion is weak, the rubber part is cracked and even falls off, so that the whole cross-flow fan blade cannot be used.
If the mechanical distortion bearing capacity of the Booth rubber fitting cannot be detected, the service life of the through-flow fan blade cannot be ensured, and no equipment for detecting the Booth rubber fitting simulates the actual condition exists at present.
Disclosure of Invention
In order to solve the above problems, according to a first aspect of the present invention, there is provided a booth rubber testing apparatus, comprising a table provided with a grooved rail, a bearing and a motor fixed on the table via the grooved rail, and a controller electrically connected to the motor; the motor is connected with one end, provided with the booth, of the piece to be tested in an angle mode, and the rubber ring on the booth is mechanically twisted during connection, so that the device can be used for testing the capacity of bearing mechanical twisting.
Furthermore, the two groups of the grooving tracks are a first grooving track and a second grooving track which are perpendicular to each other, and each group of the grooving tracks comprises two mutually parallel grooving tracks.
Further, the two groups of grooved rails comprise a first grooved rail moving from front to back and a second grooved rail moving from left to right; the motor is arranged on the first grooved rail; the bearing is arranged on the second grooving rail, so that the bearing and the motor can respectively move along the grooving rail where the bearing and the motor are located.
Furthermore, a motor shaft of the motor points to the left side of the workbench, is perpendicular to the first grooving rail, is connected with one end of the piece to be tested through a motor booth connector, and is provided with a booth comprising a rubber ring and a metal shaft; during installation, the rubber ring is mechanically twisted.
Further, the motor is a speed-adjustable motor.
Furthermore, one end of the motor Booth connector is provided with a shaft sleeve which is sleeved outside a motor shaft of the motor and is fastened; the other end is a coupler which is connected with the shaft of the piece to be measured.
Further, the cross section of the coupler and the metal shaft of the Booth can be installed in a matched mode.
Further, the bearing comprises a mounting hole arranged in the middle and a bearing base; the other end of the cross-flow fan blade can be fixed on the bearing through the mounting hole; the bottom of the bearing seat is fixed on the groove of the second groove track through a base screw and a nut.
Further, the diameter of the base screw at the bottom of the bearing seat is smaller than the width of the notch.
Furthermore, the controller is electrically connected with the motor, and is provided with a tachometer, a timer, a switch, a speed regulator, a start button and a stop button.
Further, the piece to be measured is a cross-flow fan blade.
In a second aspect of the present invention, a booth rubber testing method is provided, where the booth rubber testing apparatus is used, and one end of a to-be-tested piece with a booth is connected to a motor at an angle, so that a rubber ring on the booth is mechanically distorted, and a test of mechanical distortion force borne by the rubber ring is implemented.
Further, the method comprises the following steps:
s1, arranging a piece to be tested on the workbench;
s2, installing a piece to be tested between the bearing and the motor, and enabling a rubber ring on the Booth of the piece to be tested to be mechanically twisted;
and S3, setting the rotating speed and the testing time of the motor through the controller, and testing the mechanical distortion bearing capacity of the rubber ring.
Further, the piece to be measured is a cross-flow fan blade, and the arrangement manner of step S1 is as follows: arranging the through-flow fan blade and the two groups of groove tracks on the workbench into a right-angled triangle, taking the central axis of the through-flow fan blade as the hypotenuse c of the right-angled triangle, and taking the two groups of groove tracks as two right-angled sides of the right-angled triangle respectively, namely a and b; the first grooving rail is a right-angle side a, and the length of the first grooving rail is L1; the second grooved track is a right-angled edge b having a length L2.
Further, the installation manner of step S2 is: determining an angle between the shaft of the cross-flow fan blade and the motor, wherein the included angle is theta, namely the included angle between the bevel edge c and the right-angle edge a; bending the rubber ring of the booth and a metal shaft, wherein the metal shaft is connected to a motor shaft of a motor through a motor booth connector; calculating the lengths L1 and L2 of two right-angle sides of the right-angle triangle according to the included angle theta and the hypotenuse c, and fixing the positions of the bearing and the motor on the grooving track by adjusting the base screw and the nut according to the lengths of L1 and L2; meanwhile, the angle between the bearing and the second grooving rail is adjusted.
Further, the test mode of step S3 is as follows: turning on a switch on the controller, setting the rotating speed and the test time of the motor through a rotating speed meter and a timer, and pressing a start button to start testing; and when the test time is up, pressing a stop button to stop the test.
The invention has the advantages that:
(1) the invention can simulate the working environment of the Booth rubber during actual working on the air conditioner, realizes the detection of the mechanical distortion bearing capacity of the Booth rubber fitting, and effectively prevents the Booth rubber fitting from cracking and falling off during working.
(2) The motor Booth connector 4 of the invention prolongs the motor shaft of the motor 3, and prevents the impeller of the cross-flow fan blade 7 from touching the body of the motor 3 caused by overlarge angular offset when the central axis of the cross-flow fan blade 7 is not in the same straight line with the shaft of the motor 3 due to the offset of the installation position of the cross-flow fan blade 7.
(3) The detection method disclosed by the invention is simple in steps, so that the test result of the mechanical distortion bearing capacity of the Booth rubber fitting can be intuitively and effectively detected.
Drawings
FIG. 1 is a plan view of the testing apparatus of the present invention;
FIG. 2 is a flow chart of a testing method of the present invention;
FIG. 3 is a schematic diagram of the electrical machine Booth connector of the present invention;
FIG. 4 is a longitudinal cross-sectional view of a bearing of the present invention;
FIG. 5 is a schematic structural diagram of one end of a cross-flow fan blade to be tested, which is provided with a Booth, according to the invention;
FIG. 6 is a front view of the Booth of the present invention;
FIG. 7 is a schematic diagram of a panel of a controller according to the present invention
The reference signs are:
1-a workbench; 21-a first grooved track; 22-a second grooved track; 3, a motor; 4-a motor booth connector; 41-shaft sleeve; 42-a coupler; 5-a bearing; 51-mounting holes; 52-bearing mount; 53-base screws; 6-booth; 61-rubber ring; 62-a metal shaft; 7-cross-flow fan blades; 8-a controller; 81-tachometer; 82-a timer; 83-a switch; 84-a speed regulator; 85-start button; 86-stop button.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1 and fig. 3-7, a booth rubber testing apparatus includes a table 1 provided with a grooved rail, a bearing 5 and a motor 3 fixed on the table 1 through the grooved rail, and a controller 8 connected to a motor point; the motor 3 is connected with one end of the piece to be tested, which is provided with the Booth 6, in an angle mode, and the rubber ring 61 on the Booth 6 is mechanically twisted during connection, so that the device can test the capability of bearing mechanical twist. Therefore, the device can simulate the working environment of the Booth rubber during actual working on the air conditioner, so that the test result can be applied to the actual working.
Preferably, the piece to be measured is a cross-flow fan blade 7.
Referring to fig. 1, the grooving tracks on the worktable 1 are two groups, namely a first grooving track 21 and a second grooving track 22 which are perpendicular to each other, and each group of grooving tracks comprises two mutually parallel grooving tracks; so that the bearing 5 and the motor 3 can be fixed to the table 1 through the engraved track.
Referring to fig. 1, the two grooved rails include a first grooved rail 21 that runs from front to back, and a second grooved rail 22 that runs from left to right; the motor 3 is arranged on the first grooved rail 21; the bearing 5 is disposed on the second grooved rail 22, so that the bearing 5 and the motor 3 can move along the grooved rail where the bearing is located, respectively.
Referring to fig. 1, fig. 3, and fig. 5 and 6, a motor shaft of the motor 3 is directed to the left side of the worktable 1, the motor shaft is perpendicular to the first grooved rail 21, and is connected with one end of a through flow fan blade 7 through a motor booth connector 4, and the end is provided with a booth 6 including a rubber ring 61 and a metal shaft 62; during installation, the rubber ring 61 is mechanically twisted, so that the testing device can visually test the mechanical twisting bearing capacity of the rubber ring 61.
Referring to fig. 1, fig. 3, and fig. 5 and fig. 6, one end of the motor booth connector 4 is a shaft sleeve 41, and the shaft sleeve 41 is sleeved outside a motor shaft of the motor 3 and fastened by screws; the other end is a coupling 42 connected with the shaft of the cross-flow fan blade 7; the motor Booth connector 4 prolongs a motor shaft of the motor 3, and prevents an impeller of the cross-flow fan blade 7 from touching a machine body of the motor 3 due to overlarge angular offset when a central axis of the cross-flow fan blade 7 is not aligned with a shaft of the motor 3 due to offset of the installation position of the cross-flow fan blade 7.
Referring to fig. 1, fig. 3, and fig. 5 and fig. 6, the cross section of the coupling 42 and the metal shaft 62 of the booth 6 can be installed in a matching manner, so that the shaft of the cross-flow fan blade 7 is tightly connected with the booth connector 4 of the motor; the motor 3 can transmit power to the shaft of the cross-flow fan blade 7 through the coupler 42, so as to drive the cross-flow fan blade to rotate.
Preferably, the longitudinal section of the coupling 42 is "D" shaped.
Referring to fig. 1 and 4, the bearing 5 includes a mounting hole 51 and a bearing base 52 arranged in the middle; the mounting hole 51 enables the other end of the cross-flow fan blade 7 to be fixed on the bearing 5; the bottom of the bearing seat 52 is fixed on the groove of the second groove track 22 through a base screw 53 and a nut, and the diameter of the base screw 53 is smaller than the width of the groove, so that when the base screw 53 is loosened, the bearing 5 can move left and right on the plane of the workbench 1 along the second groove track 22, the angle between the bearing 5 and the second groove track 22 can be adjusted, and the mounting hole 51 can point to the motor shaft of the motor 3.
Referring to fig. 1 and fig. 7, the controller 8 is electrically connected to the motor 3, and the controller 8 is provided with a tachometer 81, a timer 82, a switch 83, a speed governor 84, a start button 85 and a stop button 86; so that the rotation speed and the test time of the motor 3 can be adjusted before the test.
Preferably, the motor 3 is a speed-adjustable motor.
Referring to fig. 1, 2 and 7, in a second aspect of the present invention, a booth rubber testing method for testing using the above testing apparatus is provided, in which an end of a device to be tested having a booth 6 is connected to a motor 3 at an angle, so that a rubber ring 61 on the booth 6 is mechanically twisted, and thus a test of being subjected to a mechanical twisting force is performed. The method comprises the following steps:
s1, arranging a piece to be measured on the workbench, wherein the piece to be measured is a cross-flow fan blade 7, and the arrangement mode is as follows: arranging the cross-flow fan blade 7 and two groups of groove tracks on the workbench 1 into a right-angled triangle, taking the central axis of the cross-flow fan blade 7 as the hypotenuse c of the right-angled triangle, and taking the two groups of groove tracks as two right-angle sides of the right-angled triangle respectively, namely a and b; the first grooved rail 21 is a right-angle side a, and the length of the first grooved rail is L1; the second grooved track 22 has a right-angled side b with a length L2.
S2, installing a cross-flow fan blade 7 between the bearing 5 and the motor 3 in the following way: determining the angle between the shaft of the cross-flow fan blade 7 and the motor 3, wherein the included angle is theta, namely the included angle between the bevel edge c and the right-angle edge a; the rubber ring 61 of the booth 6 is bent between a metal shaft 62, and the metal shaft 62 is connected to a motor shaft of the motor 3 through the motor booth connector 4. Since the length of the hypotenuse c is a fixed value, after the included angle θ is determined, the lengths L1 and L2 of the two legs of the right triangle are calculated, and the positions of the bearing 5 and the motor 3 on the grooved rail are fixed by adjusting the base screw 53 and the nut according to the lengths of L1 and L2. Meanwhile, the mounting hole 51 can be directed to the motor shaft of the motor 3 by adjusting the angle of the bearing 5 with the second engraved rail 22.
S3, testing the mechanical distortion bearing capacity of the rubber ring 61, wherein the testing mode is as follows: a switch 83 on the controller 8 is turned on, the rotating speed and the test time of the motor 3 are set through a tachometer 81 and a timer 82, and a start button 85 is pressed to start the test; when the test time is reached, the stop button 86 is pressed to stop the test.
After the test is finished, the abrasion condition of the rubber ring 61 on the Booth 6 is used for judging the mechanical distortion bearing capacity condition under the set included angle theta, the rotating speed and the test time.
When the testing method of the Booth rubber is applied, the mechanical distortion bearing capacity of the Booth rubber fitting can be intuitively and effectively obtained.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (16)
1. A testing device for Booth rubber comprises a workbench (1) provided with a grooved rail, a bearing (5) and a motor (3) which are fixed on the workbench (1) through the grooved rail, and a controller (8) electrically connected with the motor; the method is characterized in that: the motor (3) is connected with one end, provided with the Booth (6), of the piece to be tested in an angle mode, and a rubber ring (61) on the Booth (6) is mechanically twisted during connection, so that the device can test the capacity of bearing mechanical twisting.
2. The Booth rubber test apparatus of claim 1, wherein: the grooving tracks are divided into two groups, namely a first grooving track (21) and a second grooving track (22) which are perpendicular to each other, and each group of grooving tracks comprises two mutually parallel grooving tracks.
3. A booth rubber testing apparatus according to claim 2, wherein: the two groups of grooved rails comprise a first grooved rail (21) which runs from front to back and a second grooved rail (22) which runs from left to right; the motor (3) is arranged on the first grooving rail (21); the bearing (5) is arranged on the second grooving rail (22), so that the bearing (5) and the motor (3) can respectively move along the grooving rails where the bearing and the motor are located.
4. A booth rubber testing apparatus according to claim 3, wherein: a motor shaft of the motor (3) points to the left side of the workbench (1), is perpendicular to the first grooving rail (21), is connected with one end of a piece to be tested through a motor booth connector (4), and is provided with a booth (6) comprising a rubber ring (61) and a metal shaft (62); when the rubber ring (61) is installed, the rubber ring is twisted mechanically.
5. The Booth rubber test apparatus of claim 4, wherein: the electric machine (3) is a speed-adjustable motor.
6. The Booth rubber test apparatus of claim 5, wherein: one end of the motor Booth connector (4) is provided with a shaft sleeve (41), and the shaft sleeve (41) is sleeved outside and fastened with a motor shaft of the motor (3); the other end is a coupler (42) which is connected with the shaft of the piece to be measured.
7. The Booth rubber test apparatus of claim 6, wherein: the cross section of the coupling (42) can be matched with a metal shaft (62) of the Booth (6) for installation.
8. A Booth rubber test apparatus according to claims 1-7, wherein: the bearing (5) comprises a mounting hole (51) arranged in the middle and a bearing base (52); the mounting hole (51) enables the other end of the piece to be measured to be fixed on the bearing (5); the bottom of the bearing seat (52) is fixed on the groove of the second grooved rail (22) through a base screw (53) and a nut.
9. The Booth rubber test apparatus of claim 8, wherein: the diameter of a base screw (53) at the bottom of the bearing seat (52) is smaller than the width of the notch.
10. The Booth rubber test apparatus of claim 9, wherein: the controller (8) is electrically connected with the motor (3), and a tachometer (81), a timer (82), a switch (83), a speed regulator (84), a start button (85) and a stop button (86) are arranged on the controller (8).
11. The Booth rubber test apparatus of claim 10, wherein: the piece to be measured is a cross-flow fan blade (7).
12. A testing method of Booth rubber is characterized in that: the method is to use the Booth rubber testing device of one of claims 1-10, and the end of the piece to be tested, which is provided with the Booth (6), is connected with the motor (3) in an angle mode, so that the rubber ring (61) on the Booth (6) is subjected to mechanical distortion, and the test of the mechanical distortion force is realized.
13. The Booth rubber test method of claim 12, wherein: the method comprises the following steps:
s1, arranging a piece to be tested on the workbench (1);
s2, installing a piece to be measured between the bearing (5) and the motor (3), connecting a shaft of the piece to be measured and the motor (3) at an angle, and mechanically twisting the rubber ring (61) on the Booth (6);
and S3, setting the rotating speed and the testing time of the motor (3) through the controller (8), and testing the mechanical distortion bearing capacity of the rubber ring (61).
14. The Booth rubber test method of claim 13, wherein: the piece to be tested is a cross-flow fan blade (7); the step S1 is arranged in the following manner: arranging a cross-flow fan blade (7) and two groups of groove tracks on a workbench (1) into a right-angled triangle, taking the central axis of the cross-flow fan blade (7) as the hypotenuse c of the right-angled triangle, and taking the two groups of groove tracks as two right-angled sides of the right-angled triangle respectively, namely a and b; the first grooved rail (21) is a right-angle side a, and the length of the first grooved rail is L1; the second grooved track 22 has a right-angled side b with a length L2.
15. The Booth rubber test method of claim 14, wherein: the installation mode of the step S2 is as follows: determining an angle between the shaft of the cross-flow fan blade (7) and the motor (3), wherein the included angle is theta, namely the included angle between the bevel edge c and the right-angle edge a; bending a rubber ring (61) of the booth (6) and a metal shaft (62), wherein the metal shaft (62) is connected to a motor shaft of the motor (3) through a motor booth connector (4); calculating the lengths L1 and L2 of two right-angle sides of the right-angle triangle according to the included angle theta and the hypotenuse c, and fixing the positions of the bearing (5) and the motor (3) on the grooved rail by adjusting a base screw (53) and a nut according to the lengths of L1 and L2; meanwhile, the angle between the bearing (5) and the second grooved rail (22) is adjusted.
16. The Booth rubber test method of claim 15, wherein: the test mode of the step S3 is as follows: a switch (83) on a controller (8) is turned on, the rotating speed and the test time of the motor (3) are set through a rotating speed meter (81) and a timer (82), and a start button (85) is pressed to start the test; when the test time is reached, a stop button (86) is pressed to stop the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117054.5A CN110879181A (en) | 2019-11-15 | 2019-11-15 | Testing device and testing method for Booth rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117054.5A CN110879181A (en) | 2019-11-15 | 2019-11-15 | Testing device and testing method for Booth rubber |
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| Publication Number | Publication Date |
|---|---|
| CN110879181A true CN110879181A (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117054.5A Pending CN110879181A (en) | 2019-11-15 | 2019-11-15 | Testing device and testing method for Booth rubber |
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| CN (1) | CN110879181A (en) |
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| GB642694A (en) * | 1948-01-16 | 1950-09-06 | Paxman & Co Ltd Davey | Improvements in or relating to shaft couplings |
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