CN118936731A - A dynamic balancing test device and method for a Roots blower rotor - Google Patents
A dynamic balancing test device and method for a Roots blower rotor Download PDFInfo
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- CN118936731A CN118936731A CN202411407094.4A CN202411407094A CN118936731A CN 118936731 A CN118936731 A CN 118936731A CN 202411407094 A CN202411407094 A CN 202411407094A CN 118936731 A CN118936731 A CN 118936731A
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- fixedly connected
- dynamic balance
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- balance test
- roots blower
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 36
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 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
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000013524 data verification Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to the technical field of dynamic balance tests, in particular to a dynamic balance test device and method for a Roots blower rotor, which aim at the problem that the existing dynamic balance test device for the Roots blower rotor has poor measuring effect on the dynamic balance test of the Roots blower rotor. The dynamic balance test device and method for the Roots blower rotor can accurately map the unbalanced point on the rotor in an omnibearing manner according to the rotating track of the rotor when the device is used for measuring the dynamic balance test of the rotor, so that the unbalanced point on the rotor with a longer cross section is effectively and specifically positioned, and the measuring precision of the dynamic balance test of the device on the rotor is improved.
Description
Technical Field
The invention relates to the technical field of dynamic balance tests, in particular to a dynamic balance test device and method for a Roots blower rotor.
Background
The method of balancing is called dynamic balancing, which can only measure the position of unbalanced weight of the rotor and determine the position and the size of the balancing weight under the rotation state. The dynamic balance can eliminate not only the couple of dynamic unbalance but also the centrifugal force of static unbalance, so it can be used to find the balance of various columnar rotors. Such as the rotor of a centrifugal compressor, the rotor of a large motor, etc.
The conventional dynamic balance test device for the fan rotor has poor test effect on the dynamic balance test of the Roots fan rotor, and the test device is fuzzy in determination of the applied position and the applied size of the balancing weight after the test because the cross section of the Roots fan rotor is wider, so that the test and measurement effect is poor.
Disclosure of Invention
The invention discloses a dynamic balance test device and method for a Roots blower rotor, and aims to solve the technical problem that the existing test device in the background technology has poor effect of determining the applied position and size of a rotor balancing weight of the Roots blower.
The invention provides a dynamic balance test device for a Roots blower rotor, which comprises a base plate, wherein two symmetrical vertical frames are fixedly connected to the upper side of the base plate, two vertical frames are provided with a same shaft rod, the outer part of the shaft rod is provided with a rotor body, the outer part of the shaft rod is provided with two symmetrical fixing plates, the fixing plates are provided with multi-angle measuring modules, the multi-angle measuring modules are provided with infrared moment measuring instruments, the infrared moment measuring instruments are positioned above the rotor body, the multi-angle measuring modules comprise two symmetrical outer rings, the inner walls of the two outer rings are respectively and fixedly connected with the outer parts of the two fixing plates, sliding grooves are respectively formed in the outer parts of the outer rings, mounting plates are respectively and slidably connected with one sides of the two mounting plates, the two movable plates are respectively and movably connected with a same screw rod, the outer parts of the screw rod are respectively provided with a moving part, the bottoms of the moving parts are fixedly connected with the upper sides of the infrared moment measuring instruments, the upper sides of the base plate are fixedly connected with supporting frames, the upper sides of the supporting frames are fixedly connected with direct current motors, and one sides of the direct current motors are close to one sides of the direct current motor output ends of the direct current motor modules, and one sides of the direct current motor ends are close to one sides of the fixed modules, and are close to one ends of the fixed ends of the shaft rod modules.
Through being provided with fixed plate, axostylus axostyle, rotor body, support frame, direct current motor, multi-angle survey module, fixed module and infrared moment measuring instrument, the device utilizes multi-angle survey module can make the device carry out dynamic balance test to the rotor when survey, according to the rotation orbit of rotor, accurate survey and drawing to the unbalanced point on the rotor to carry out effectual, specific location to the unbalanced point on the rotor that possess longer cross section, improvement device carries out dynamic balance test survey precision to the rotor.
In a preferred scheme, racks I are fixedly connected to the outer part of the outer sleeve ring, round holes are formed in the mounting plate, motors I are fixedly connected to the round holes, the output ends of the motors I are connected with gears through couplings, the gears on the same side are respectively meshed with the racks I on the same side, a motor II is fixedly connected to the outer part of one movable plate, and the output ends of the motors II are connected with one side of the screw rod through the couplings; the two mounting plates are fixedly connected with notches on one side opposite to each other, the notches are all positioned below the movable plate, orifices are formed in the movable plate and the notches, the same threaded rod is arranged in the orifices, annular plates are fixedly connected to the outer parts of the threaded rods, annular grooves are formed in the bottoms of the movable plate, the outer parts of the annular plates on the same side are slidably connected with the inner walls of the annular grooves, fixing strips are fixedly connected to the outer parts of the movable plate, binding rings are slidably connected to the outer parts of the fixing strips, the binding rings are positioned outside the threaded rods, toothed rings II are arranged outside the threaded rods, and the bottoms of the toothed rings II are movably connected with the outer parts of the movable plate; the inner wall of the binding ring is fixedly connected with a rack II, the rack II on the same side is clamped with a toothed ring II, one side, far away from the threaded rod, of the sliding groove is fixedly connected with a spring I, one end, far away from the fixed bar, of the spring I is fixedly connected with the outer part of the movable plate on the same side, the outer part of the threaded rod is provided with a knob, the bottom of the knob is fixedly connected with the upper side of the toothed ring II on the same side, one side, opposite to the two mounting plates, of the two mounting plates is fixedly connected with the same binding plate, a notch is formed in the binding plate, and the outer part of the infrared moment measuring instrument is in sliding connection with the inner wall of the notch; four sliding grooves with the circumferences distributed at equal intervals are formed in one side, opposite to each other, of each fixing plate, clamping blocks are connected in the sliding grooves in a sliding mode, grooves are formed in one side, opposite to each other, of each clamping block on the same side, a plurality of rollers distributed at equal intervals are arranged in the grooves, the outer parts of the rollers are attached to the outer parts of the shaft rods, short shafts are fixedly connected to one sides, far away from the fixing plates, of each clamping block, and rotating frames are movably connected to one side, opposite to each other, of each fixing plate; the utility model discloses a fixed rack, including rotating the frame, four circumference equidistance curved surface grooves that distribute have all been seted up on the rotating frame, the inner wall in four curved surface grooves of homonymy respectively with the outside sliding connection of four minor axes, the outside of rotating the frame is equal fixedly connected with ring gear one, the outside of ring gear one all is provided with the fixed axle, the equal fixed connection of one side that the fixed axle is relative with the grudging post, the outside equal swing joint of fixed axle has the screens piece, the screens piece and the outside of homonymy ring gear joint, and the outside of fixed axle is all encircleed and is had the torsional spring, the one end of torsional spring and the outside fixed connection of fixed axle, the outside fixed connection of the other end and screens piece, the equal fixedly connected with driving lever of one side that the grudging post was kept away from to the screens piece.
Through being provided with the multi-angle measurement module, the multi-angle measurement module can make the device carry out the survey work on a plurality of angles when the rotor rotates, and the accuracy of survey result is ensured to the mutual demonstration of data that obtains through a plurality of survey to the unbalance couple on the elimination rotor that messenger personnel can be accurate improves the effect of experimental determination.
In a preferred scheme, the fixing module comprises a rectangular groove, the rectangular groove is formed in the upper side of the base plate and is positioned on one side of the stand far away from the direct current motor, a support bracket is connected in the rectangular groove in a sliding mode, a spring II is fixedly connected to one side of the support bracket close to the stand, one side of the spring II far away from the support bracket is fixedly connected with the outside of the stand, and an inserting frame is fixedly connected to the upper side of the support bracket; the inner wall of the insertion frame is in sliding connection with one end of the shaft rod, which is far away from the direct current motor, the output end of the direct current motor is connected with an inclined plane ring through a coupler, a thread groove is formed in the outer part of the inclined plane ring, and a rotating ring is arranged in the outer part of the inclined plane ring; the inner wall of swivel becket passes through external screw thread rotation with the thread groove and is connected, has offered the bar groove that a plurality of circumferences equidistance distributed on the inclined plane ring, and the inner wall fixedly connected with a plurality of circumferences equidistance distributed's of inclined plane ring rubber pad, and the rubber pad is all laminated with the opposite one side of axostylus axostyle.
Through being provided with fixed module, fixed module can make the device improve the fixed effect to the rotor body, makes the rotor body the same with direct current motor's rotational speed when rotating, reduces the rotor body rotational speed low because of fixed effect causes, makes the condition emergence that dynamic balance survey effect is unobvious.
A dynamic balance test method of a Roots blower rotor, which uses the dynamic balance test device of the Roots blower rotor, comprises the following steps:
Firstly, before rotor dynamic balance experiment measurement is carried out, a fixing module is used for placing a rotor body to be measured in a dynamic balance experiment in a device for moving and fixing, so that a shaft lever on the rotor body is connected to an output end of a direct current motor by the fixing module;
And step two, starting a direct current motor for dynamic balance test measurement, using an infrared moment measuring instrument in a multi-angle measuring module driving device to measure the section of the rotating rotor body, adjusting the angle for repeated measurement for multiple times, and finally marking and recording unbalanced points on the rotor.
Therefore, the dynamic balance test device for the Roots blower rotor provided by the invention has the advantages that when the device is used for carrying out dynamic balance test measurement on the rotor, the unbalanced point on the rotor is accurately mapped in an omnibearing manner according to the rotating track of the rotor, so that the unbalanced point on the rotor with a longer cross section is effectively and specifically positioned, and the dynamic balance test measurement accuracy of the device on the rotor is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a dynamic balance test device for a Roots blower rotor;
FIG. 2 is a schematic side view of a dynamic balance test device for a Roots blower rotor according to the present invention;
FIG. 3 is a schematic diagram of a multi-angle measurement module of a dynamic balance test device for a Roots blower rotor according to the present invention;
FIG. 4 is a schematic view of a fixed plate structure of a dynamic balance test device for a Roots blower rotor according to the present invention;
FIG. 5 is a schematic view of the structure of a mounting plate of a dynamic balance test device for a Roots blower rotor;
FIG. 6 is a schematic diagram of a moving plate structure of a dynamic balance test device for a Roots blower rotor according to the present invention;
FIG. 7 is a schematic view of a fixed module structure of a dynamic balance test device for a Roots blower rotor according to the present invention;
Fig. 8 is a schematic diagram of a bevel ring structure of a dynamic balance test device for a Roots blower rotor according to the present invention.
In the figure: 1. a base plate; 2. a vertical frame; 3. a fixing plate; 4. a shaft lever; 5. a rotor body; 6. a support frame; 7. a DC motor; 8. a multi-angle measurement module; 801. a rotating frame; 802. an outer collar; 803. a sliding groove; 804. clamping blocks; 805. a roller; 806. a short shaft; 807. a curved surface groove; 808. a first toothed ring; 809. a fixed shaft; 810. a clamping piece; 811. a deflector rod; 812. a torsion spring; 813. a chute; 814. a mounting plate; 815. a first rack; 816. a first motor; 817. a gear; 818. a movable plate; 819. a screw rod; 820. a second motor; 821. a moving member; 822. a constraint plate; 823. a notch; 824. a threaded rod; 825. an annular groove; 826. an annular sheet; 827. a second toothed ring; 828. a tie ring; 829. a second rack; 830. a fixing strip; 831. a first spring; 832. a knob; 9. a fixed module; 901. rectangular grooves; 902. a support bracket; 903. a second spring; 904. an insertion frame; 905. a bevel ring; 906. a thread groove; 907. a rotating ring; 908. a rubber pad; 909. a bar-shaped groove; 10. an infrared moment measuring instrument.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention discloses a dynamic balance test device for a Roots blower rotor, which is mainly applied to a scene with poor determination effect on the applied position and size of a rotor balancing weight of the Roots blower by the existing test device.
Referring to fig. 1-8, a dynamic balance test device for a Roots blower rotor comprises a base plate 1, wherein two symmetrical vertical frames 2 are connected to the upper side of the base plate 1 through bolts, the same shaft lever 4 is arranged on the two vertical frames 2, a rotor body 5 is arranged outside the shaft lever 4, two symmetrical fixing plates 3 are arranged outside the shaft lever 4, a multi-angle measuring module 8 is arranged on the fixing plates 3, an infrared moment measuring instrument 10 is arranged on the multi-angle measuring module 8, the infrared moment measuring instrument 10 is positioned above the rotor body 5, the multi-angle measuring module 8 comprises two symmetrical outer rings 802, the inner walls of the two outer rings 802 are respectively connected with the outer parts of the two fixing plates 3 through bolts, the outside of outer collar 802 has all been seted up spout 813, all sliding connection has mounting panel 814 in the spout 813, the equal sliding connection in one side that two mounting panels 814 are on the back of the body has fly leaf 818, rotate through the bearing on two fly leaves 818 and connect same lead screw 819, and the outside of lead screw 819 is provided with the moving part 821, the bottom of moving part 821 passes through bolted connection with the upside of infrared moment measuring instrument 10, there is support frame 6 on the upside of bed plate 1 through bolted connection, there is direct current motor 7 on the upside of support frame 6 through bolted connection, one side that direct current motor 7 is close to the output is provided with fixed module 9, the one end that the axostylus axostyle 4 is close to direct current motor 7 is located fixed module 9.
Specifically, before the dynamic balance test measurement of the rotor is carried out, the fixing module 9 is used for placing the rotor body 5 to be subjected to the dynamic balance test measurement on the device, the fixing module 9 is used for connecting the shaft lever 4 on the rotor body 5 to the output end of the direct current motor 7, starting the dynamic balance test measurement to start the direct current motor 7, the multi-angle measuring module 8 is used for driving the infrared moment measuring instrument 10 in the device to carry out section measurement on the rotating section of the rotating rotor body 5, the angle is adjusted for repeated measurement for multiple times, and finally, unbalanced points on the rotor are marked and recorded; the device utilizes multi-angle survey module 8 can make the device carry out the omnidirectional survey to the unbalanced point on the rotor according to the rotation orbit of rotor when carrying out dynamic balance test to the rotor to carry out effectual, specific location to the unbalanced point on the rotor that possess longer cross section, improve the dynamic balance test measurement accuracy of device to the rotor.
Referring to fig. 3,4, 5 and 6, in a preferred embodiment, the outer part of the outer collar 802 is connected with a first rack 815 through bolts, the mounting plate 814 is provided with round holes, the round holes are connected with a first motor 816 through bolts, the output end of the first motor 816 is connected with a gear 817 through a coupling, the gears 817 on the same side are respectively meshed with the first racks 815 on the same side, the outer part of one movable plate 818 is connected with a second motor 820 through bolts, and the output end of the second motor 820 is connected with one side of a screw 819 through a coupling; The opposite sides of the two mounting plates 814 are respectively connected with a notch 823 through bolts, the notches 823 are respectively positioned below the movable plate 818, the movable plate 818 and the notches 823 are respectively provided with an orifice, the orifices are internally provided with the same threaded rod 824, the outer parts of the threaded rods 824 are respectively connected with an annular piece 826 through bolts, the bottoms of the movable plate 818 are respectively provided with an annular groove 825, the outer parts of the annular pieces 826 on the same side are respectively connected with the inner wall of the annular groove 825 in a sliding manner, the outer parts of the movable plate 818 are respectively connected with a fixing strip 830 through bolts, the outer parts of the fixing strips 830 are respectively connected with a binding ring 828 in a sliding manner, the binding rings 828 are respectively positioned outside the threaded rods 824, The outer parts of the threaded rods 824 are respectively provided with a second toothed ring 827, and the bottoms of the second toothed rings 827 are respectively and rotatably connected with the outer parts of the movable plates 818 through bearings; The inner wall of the constraint ring 828 is connected with a rack II 829 through bolts, the rack II 829 on the same side is clamped with a toothed ring II 827, one side, far away from the threaded rod 824, of the sliding groove 803 is connected with a spring I831 through bolts, one end, far away from the fixed strip 830, of the spring I831 is connected with the outer part of the movable plate 818 on the same side through bolts, the outer part of the threaded rod 824 is provided with a knob 832, the bottom of the knob 832 is connected with the upper side of the toothed ring II 827 on the same side through bolts, one side, opposite to the two mounting plates 814, of the constraint plate 822 is connected with the same constraint plate 822 through bolts, a notch 823 is formed in the constraint plate 822, and the outer part of the infrared moment measuring instrument 10 is in sliding connection with the inner wall of the notch 823; Four sliding grooves 803 which are distributed at equal intervals on the circumference are formed in the opposite sides of the two fixing plates 3, clamping blocks 804 are connected in the sliding grooves 803 in a sliding mode, grooves are formed in the opposite sides of the four clamping blocks 804 on the same side, a plurality of rollers 805 which are distributed at equal intervals are arranged in the grooves, the outer parts of the rollers 805 are attached to the outer parts of the shaft rods 4, short shafts 806 are connected to the sides, away from the fixing plates 3, of the clamping blocks 804 through bolts, and rotating frames 801 are connected to the opposite sides of the two fixing plates 3 through bearings in a rotating mode; four curved surface grooves 807 distributed at equal intervals on the circumference are formed in the rotating frame 801, the inner walls of the four curved surface grooves 807 on the same side are respectively connected with the outer parts of the four short shafts 806 in a sliding mode, the outer parts of the rotating frame 801 are respectively connected with a toothed ring I808 through bolts, fixed shafts 809 are respectively arranged on the outer parts of the toothed ring I808, one sides of the fixed shafts 809 opposite to the vertical frames 2 are respectively connected with the fixed shafts 809 through bolts, clamping pieces 810 are respectively connected with the outer parts of the fixed shafts 809 in a rotating mode through bearings, the clamping pieces 810 are clamped with the toothed ring I808 on the same side, torsion springs 812 are respectively arranged on the outer parts of the fixed shafts 809 in a surrounding mode, one ends of the torsion springs 812 are connected with the outer parts of the fixed shafts 809 through bolts, The other end is connected with the outside of the clamping piece 810 through bolts, and one side of the clamping piece 810 far away from the stand 2 is connected with a deflector rod 811 through bolts.
Specifically, after the shaft lever 4 is inserted into the fixing plate 3, the rotating frame 801 is rotated, the curved surface groove 807 on the rotating frame 801 pushes the clamping block 804 connected with the short shaft 806 to move inwards on the sliding groove 803 during rotation, so that two ends of the shaft lever 4 are clamped, the roller 805 on the clamping block 804 ensures that the rotor body 5 connected with the shaft lever 4 can smoothly rotate, after the rotating frame 801 rotates, the clamping piece 810 outside the rotating frame 801 clamps the toothed ring 808 connected with the rotating frame 801 under the torsion of the torsion spring 812, the rotating frame 801 keeps positioning of the shaft lever 4 when the rotor body 5 rotates, the constraint ring 828 is clamped and pulled outwards, the constraint ring 828 moves outwards against the tension of the spring one 831, the rack two 829 on the constraint ring 828 is released from the clamping with the toothed ring two 827, the rotary knob 832 drives the toothed ring two 827 to rotate, the threaded rod 824 is rotated to enable the annular piece 826 connected to the threaded rod 824 to push the movable plate 818 to move upwards, through the adjustment, the screw rod 819 on the movable plate 818 can be parallel to the shaft rod 4, after the adjustment is parallel, the constraint ring 828 is loosened, the rack II 829 is clamped with the gear II 827 again under the tension of the spring I831, the movable plate 818 is not moved any more, when the measurement is started, the direct current motor 7 drives the rotor body 5 on the shaft rod 4 to rotate, the motor II 820 is started, the motor II 820 drives the screw rod 819 to rotate, so that the moving piece 821 on the screw rod 819 drives the infrared moment measuring instrument 10 to reciprocate on the screw rod 819, the infrared moment measuring instrument 10 can perform transverse contour measurement on the rotating rotor body 5 in the moving process, after the measurement, the motor I816 is started, the motor I816 drives the gear 817 meshed with the rack I815 to rotate, the infrared moment measuring instrument 10 is rotated and moved by taking the shaft lever 4 as the axis, the motor two 820 is started, the test measurement is performed again, the repeated measurement is performed by changing the angle a plurality of times, and the change of the longitudinal section profile generated when the rotor body 5 rotates is marked and recorded.
In a specific application scenario, the multi-angle measurement module 8 is mainly suitable for multi-angle measurement links in a multi-angle measurement process, namely, the multi-angle measurement module 8 can enable the device to perform measurement work on a plurality of angles when the rotor rotates, accuracy of measurement results is ensured through mutual verification of data obtained by a plurality of measurements, so that personnel can accurately eliminate unbalanced couples on the rotor, and experimental measurement effects are improved.
Referring to fig. 7 and 8, in a preferred embodiment, the fixing module 9 includes a rectangular groove 901, the rectangular groove 901 is opened at the upper side of the base plate 1, at one side of the stand 2 far from the dc motor 7, a support bracket 902 is slidably connected in the rectangular groove 901, one side of the support bracket 902 near the stand 2 is connected with a second spring 903 through a bolt, one side of the second spring 903 far from the support bracket 902 is connected with the outside of the stand 2 through a bolt, and the upper side of the support bracket 902 is connected with an insertion frame 904 through a bolt; the inner wall of the insertion frame 904 is in sliding connection with one end of the shaft rod 4 far away from the direct current motor 7, the output end of the direct current motor 7 is connected with an inclined plane ring 905 through a coupler, a thread groove 906 is formed in the outer part of the inclined plane ring 905, and a rotating ring 907 is arranged in the outer part of the inclined plane ring 905; the inner wall of the rotating ring 907 is rotationally connected with the thread groove 906 through external threads, a plurality of strip-shaped grooves 909 with the circumferences distributed at equal intervals are formed in the inclined surface ring 905, a plurality of rubber pads 908 with the circumferences distributed at equal intervals are connected with the inner wall of the inclined surface ring 905 through bolts, and the rubber pads 908 are attached to one side opposite to the shaft rod 4.
Specifically, after one end of the shaft lever 4 on the rotor body 5 is inserted into the insertion frame 904 and is lightly pushed, the support bracket 902 connected with the insertion frame 904 can move outwards along the rectangular groove 901 against the tension of the second spring 903, so that the other end of the shaft lever 4 can pass through the fixing plate 3 and be aligned with the inclined plane ring 905 to be inserted, the shaft lever 4 is loosened, under the tension of the second spring 903, the insertion frame 904 completely inserts one end of the shaft lever 4 close to the direct current motor 7 into the inclined plane ring 905, the rotating ring 907 is rotated, the inclined inner wall of the rotating ring 907 continuously moves to the end with higher inclined plane outside the inclined plane ring 905 during rotation, so that the rotating ring 907 pushes the inclined plane on the threaded groove 906 to continuously attach the rubber pad 908 to the surface of the shaft lever 4, and after the rotating ring 907 is completely rotated to the highest end of the inclined plane ring 905, the rubber pad 908 clamps and fixes the shaft lever 4.
In specific application scenario, fixed module 9 is mainly applicable to the fixed link of fixed in-process, and fixed module 9 can make the device improve the fixed effect to rotor body 5 promptly, makes rotor body 5 the same with direct current motor 7's rotational speed when rotating, reduces the rotor body 5 rotational speed low because of fixed effect causes, makes the condition emergence that dynamic balance survey effect is unobvious.
A dynamic balance test method of a Roots blower rotor, which uses the dynamic balance test device of the Roots blower rotor, comprises the following steps:
Step one, before the rotor dynamic balance test is measured, the rotor body 5 to be measured in the dynamic balance test is placed in the device and fixed by using the fixing module 9, the fixing module 9 connects the shaft lever 4 on the rotor body 5 to the output end of the direct current motor 7 (after one end of the shaft lever 4 on the rotor body 5 is inserted into the insertion frame 904 and is lightly pushed, the support bracket 902 connected with the insertion frame 904 can move outwards along the rectangular groove 901 against the tension of the spring two 903, so that the other end of the shaft lever 4 can pass through the fixing plate 3 and be inserted into the inclined plane ring 905, the shaft lever 4 is loosened, the insertion frame 904 completely inserts the end of the shaft lever 4 close to the direct current motor 7 into the inclined plane ring 905 under the tension of the spring two 903, the inclined inner wall of the rotating ring 907 continuously moves to the higher end of the inclined plane ring 905 during rotation, so that the inclined plane on the thread groove 906 continuously pushes the rubber pad 908 to be attached to the surface of the shaft lever 4, and after the rotating ring 907 is completely rotated to the highest end of the inclined plane ring 905, the rubber pad 908 is clamped to the shaft lever 4);
Starting the dynamic balance test to start the direct current motor 7, using the multi-angle measuring module 8 to drive the infrared moment measuring instrument 10 in the device to measure the section of the rotating rotor body 5, adjusting the angle to re-measure for multiple times, finally marking and recording the unbalanced point on the rotor (after the shaft lever 4 is inserted into the fixed plate 3, rotating the rotating frame 801, the curved surface groove 807 on the rotating frame 801 pushes the clamping block 804 connected with the short shaft 806 to move inwards on the sliding groove 803 in the rotating process, thereby clamping the two ends of the shaft lever 4, the roller 805 on the clamping block 804 ensures that the rotor body 5 connected with the shaft lever 4 can smoothly rotate, after the rotating frame 801 rotates, the clamping piece 810 outside the rotating frame 801 clamps the toothed ring 808 connected with the rotating frame 801 under the torsion of the torsion spring 812, the rotating frame 801 keeps the positioning of the shaft lever 4 when the rotor body 5 rotates, the constraint ring 828 is grasped and pulled outwards, so that the constraint ring 828 moves outwards against the tension of the first spring 831, the rack II 829 on the constraint ring 828 is released from being clamped with the rack II 827, the knob 832 is rotated, the knob 832 drives the rack II 827 to rotate, the threaded rod 824 drives the annular piece 826 connected to the threaded rod 824 to push the movable plate 818 to move upwards in rotation, the screw rod 819 on the movable plate 818 can be parallel to the shaft lever 4 through the adjustment, after the adjustment is parallel, the constraint ring 828 is released, the rack II 829 is clamped with the rack II 827 again under the tension of the first spring 831, the movable plate 818 is not moved any more, the DC motor 7 drives the rotor body 5 on the shaft lever 4 to rotate when the measurement is started, the motor II 820 drives the screw rod 819 to rotate, thus, the moving part 821 on the screw rod 819 drives the infrared moment measuring instrument 10 to reciprocate on the screw rod 819, the infrared moment measuring instrument 10 can transversely map the rotating rotor body 5 in the moving process, after mapping, the motor one 816 is started, the motor one 816 drives the gear 817 meshed with the rack one 815 to rotate, so that the infrared moment measuring instrument 10 rotates by an angle of moving by taking the shaft lever 4 as an axis, the motor two 820 is started, test measurement is carried out again, and the longitudinal section profile change generated when the rotor body 5 rotates is marked and recorded through repeated measurement of multiple angle change.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a dynamic balance test device of roots fan rotor, includes bed plate (1), its characterized in that, the upside fixedly connected with of bed plate (1) two symmetrical grudging posts (2), be provided with same axostylus axostyle (4) on two grudging posts (2), the outside of axostylus axostyle (4) is provided with rotor body (5), and the outside of axostylus axostyle (4) is provided with two symmetrical fixed plates (3), be provided with multi-angle survey module (8) on fixed plate (3), be provided with infrared moment measuring instrument (10) on multi-angle survey module (8), and infrared moment measuring instrument (10) are located the top of rotor body (5), multi-angle survey module (8) include two symmetrical coat ring (802), the inner wall of two coat ring (802) respectively with the outside fixed connection of two fixed plates (3), spout (813) have all been seted up to the outside of coat ring (802), all sliding connection has mounting panel (814) in spout (813), one side that two mounting panel (814) are opposite to be provided with movable plate (818), and infrared moment measuring instrument (821) are connected with the outside of two lead screw (819) on the same movable piece (819) and the movable piece is connected with the outside of lead screw (821), the utility model discloses a motor vehicle, including base plate (1), fixed module (9) are provided with, the upside fixedly connected with support frame (6) of base plate (1), the upside fixedly connected with direct current motor (7) of support frame (6), one side that direct current motor (7) are close to the output is provided with fixed module (9), and the one end that axostylus axostyle (4) are close to direct current motor (7) is located fixed module (9).
2. The dynamic balance test device of a Roots blower rotor according to claim 1, wherein the outer parts of the outer rings (802) are fixedly connected with first racks (815), round holes are formed in the mounting plates (814), first motors (816) are fixedly connected in the round holes, output ends of the first motors (816) are connected with gears (817) through couplings, the gears (817) located on the same side are respectively meshed with the first racks (815) on the same side, the outer parts of the movable plates (818) are fixedly connected with second motors (820), and output ends of the second motors (820) are connected with one side of a screw rod (819) through couplings.
3. The dynamic balance test device of a Roots blower rotor according to claim 2, wherein two sides of the mounting plates (814) opposite to each other are fixedly connected with a notch (823), the notches (823) are located below the movable plate (818), orifices are formed in the movable plate (818) and the notches (823), the same threaded rod (824) is arranged in the orifices, annular plates (826) are fixedly connected to the outside of the threaded rod (824), annular grooves (825) are formed in the bottom of the movable plate (818), the outside of the annular plates (826) on the same side is slidably connected with the inner walls of the annular grooves (825), fixing strips (830) are fixedly connected to the outside of the movable plate (818), binding rings (828) are located outside of the threaded rod (824), toothed rings (827) are arranged outside the threaded rod (824), and the bottom of the toothed rings (827) is movably connected with the outside of the movable plate (818).
4. The dynamic balance test device for the Roots blower rotor according to claim 3, wherein the inner wall of the constraint ring (828) is fixedly connected with a rack two (829), the rack two (829) on the same side is clamped with a rack two (827), one side, far away from the threaded rod (824), of the sliding groove (803) is fixedly connected with a spring one (831), one end, far away from the fixed strip (830), of the spring one (831) is fixedly connected with the outer part of the movable plate (818) on the same side, the outer part of the threaded rod (824) is provided with a knob (832), the bottom of the knob (832) is fixedly connected with the upper side of the rack two (827) on the same side, one side, opposite to the two mounting plates (814), of the two mounting plates (814) is fixedly connected with the same constraint plate (822), a notch (823) is formed in the constraint plate (822), and the outer part of the infrared moment measuring instrument (10) is in sliding connection with the inner wall of the notch (823).
5. The dynamic balance test device of the Roots blower rotor according to claim 4, wherein four sliding grooves (803) which are distributed at equal intervals on the circumference are formed in one side, opposite sides of the two fixing plates (3) are respectively provided with a clamping block (804), grooves are formed in one side, opposite to the four clamping blocks (804), of the same side, a plurality of rollers (805) which are distributed at equal intervals are respectively arranged in the grooves, the outer parts of the rollers (805) are respectively attached to the outer parts of the shaft rods (4), one side, far away from the fixing plates (3), of the clamping blocks (804) is respectively fixedly connected with a short shaft (806), and one side, opposite to the two fixing plates (3), of the two fixing plates (3) is respectively movably connected with a rotating frame (801).
6. The dynamic balance test device of the Roots blower rotor according to claim 5, wherein four curved surface grooves (807) distributed at equal intervals are formed in the rotating frame (801), inner walls of the four curved surface grooves (807) on the same side are respectively and slidably connected with the outer parts of the four short shafts (806), toothed rings (808) are fixedly connected to the outer parts of the rotating frame (801), fixed shafts (809) are arranged on the outer parts of the toothed rings (808), clamping pieces (810) are movably connected to the outer parts of the fixed shafts (809) on the opposite sides of the stand (2), the clamping pieces (810) are clamped with the toothed rings (808) on the same side, torsion springs (812) are respectively and circumferentially arranged on the outer parts of the fixed shafts (809), one ends of the torsion springs (812) are fixedly connected with the outer parts of the clamping pieces (810), and one sides, far away from the stand (2), of the clamping pieces (810) are fixedly connected with deflector rods (811).
7. The dynamic balance test device of a Roots blower rotor according to claim 6, wherein the fixing module (9) comprises a rectangular groove (901), the rectangular groove (901) is formed on the upper side of the base plate (1) and is located on one side of the stand (2) far away from the direct current motor (7), the support bracket (902) is connected in a sliding manner in the rectangular groove (901), a spring II (903) is fixedly connected on one side of the support bracket (902) close to the stand (2), one side of the spring II (903) far away from the support bracket (902) is fixedly connected with the outer part of the stand (2), and an inserting frame (904) is fixedly connected on the upper side of the support bracket (902).
8. The dynamic balance test device of the Roots blower rotor according to claim 7, wherein the inner wall of the insertion frame (904) is slidably connected with one end of the shaft rod (4) far away from the direct current motor (7), the output end of the direct current motor (7) is connected with an inclined plane ring (905) through a coupling, a thread groove (906) is formed in the outer portion of the inclined plane ring (905), and a rotating ring (907) is arranged in the outer portion of the inclined plane ring (905).
9. The dynamic balance test device of the Roots blower rotor according to claim 8, wherein the inner wall of the rotating ring (907) is rotationally connected with the thread groove (906) through external threads, a plurality of strip-shaped grooves (909) with circumferences distributed at equal intervals are formed in the inclined surface ring (905), a plurality of rubber pads (908) with circumferences distributed at equal intervals are fixedly connected with the inner wall of the inclined surface ring (905), and one side, opposite to the shaft rod (4), of each rubber pad (908) is attached.
10. A method for testing the dynamic balance of a Roots blower rotor, using a device for testing the dynamic balance of a Roots blower rotor according to any one of claims 1 to 9, comprising the steps of:
before rotor dynamic balance test measurement is carried out, a fixing module (9) is used for placing a rotor body (5) to be subjected to the rotor dynamic balance test measurement on a device, and the rotor body is fixed, so that the fixing module (9) connects a shaft lever (4) on the rotor body (5) to the output end of a direct current motor (7);
starting a direct current motor (7) for dynamic balance test measurement, using an infrared moment measuring instrument (10) in a multi-angle measuring module (8) driving device to measure the section of the rotating rotor body (5), adjusting the angle for repeated measurement for multiple times, and finally marking and recording unbalanced points on the rotor.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119164536A (en) * | 2024-11-18 | 2024-12-20 | 宜兴富曦机械有限公司 | A radial force measuring device and a measuring method for a Roots blower |
| CN121026427A (en) * | 2025-10-28 | 2025-11-28 | 山东亿宁环保科技有限公司 | Test apparatus and test method for hydrogen circulation pump rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658657A (en) * | 2022-03-18 | 2022-06-24 | 山东三牛机械集团股份有限公司 | Energy-saving Roots blower |
| CN116577097A (en) * | 2023-07-11 | 2023-08-11 | 河南省瑞歌传动机械有限公司 | Speed reducer performance test device |
| CN219828395U (en) * | 2023-04-07 | 2023-10-13 | 宁夏元泰云建设科技有限公司 | On-spot exploration recorder |
| CN220251270U (en) * | 2023-07-21 | 2023-12-26 | 江苏联捷冶金设备有限公司 | Device for detecting dynamic balance of cold-rolled galvanization sink roller |
| CN220452200U (en) * | 2023-08-22 | 2024-02-06 | 江苏贝世康环保设备有限公司 | Roots blower impeller dynamic balancing mechanism |
| CN117740369A (en) * | 2024-01-04 | 2024-03-22 | 靖江国茂汽车配件制造有限公司 | Durability test device of camshaft |
-
2024
- 2024-10-10 CN CN202411407094.4A patent/CN118936731B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658657A (en) * | 2022-03-18 | 2022-06-24 | 山东三牛机械集团股份有限公司 | Energy-saving Roots blower |
| CN219828395U (en) * | 2023-04-07 | 2023-10-13 | 宁夏元泰云建设科技有限公司 | On-spot exploration recorder |
| CN116577097A (en) * | 2023-07-11 | 2023-08-11 | 河南省瑞歌传动机械有限公司 | Speed reducer performance test device |
| CN220251270U (en) * | 2023-07-21 | 2023-12-26 | 江苏联捷冶金设备有限公司 | Device for detecting dynamic balance of cold-rolled galvanization sink roller |
| CN220452200U (en) * | 2023-08-22 | 2024-02-06 | 江苏贝世康环保设备有限公司 | Roots blower impeller dynamic balancing mechanism |
| CN117740369A (en) * | 2024-01-04 | 2024-03-22 | 靖江国茂汽车配件制造有限公司 | Durability test device of camshaft |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119164536A (en) * | 2024-11-18 | 2024-12-20 | 宜兴富曦机械有限公司 | A radial force measuring device and a measuring method for a Roots blower |
| CN119164536B (en) * | 2024-11-18 | 2025-05-27 | 宜兴富曦机械有限公司 | Radial force measuring device and method of Roots blower |
| CN121026427A (en) * | 2025-10-28 | 2025-11-28 | 山东亿宁环保科技有限公司 | Test apparatus and test method for hydrogen circulation pump rotor |
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| CN118936731B (en) | 2024-12-20 |
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Effective date of registration: 20250206 Address after: No. 1933 Guangzhou Road, Binjiang Street, Haimen City, Nantong City, Jiangsu Province, China 226000 Patentee after: NANTONG WANMENG ALUMINUM WIRE CO.,LTD. Country or region after: China Address before: No. 1833 Guangzhou Road, Haimen Economic and Technological Development Zone, Nantong City, Jiangsu Province, 226000 Patentee before: Yingfei Tongren (Jiangsu) fan Co.,Ltd. Country or region before: China |
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