CN115930741A - Gap detection device of large slewing bearing - Google Patents
Gap detection device of large slewing bearing Download PDFInfo
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- CN115930741A CN115930741A CN202310112808.8A CN202310112808A CN115930741A CN 115930741 A CN115930741 A CN 115930741A CN 202310112808 A CN202310112808 A CN 202310112808A CN 115930741 A CN115930741 A CN 115930741A
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- slewing bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a gap detection device of a large slewing bearing, which comprises a detection platform and a support base which are arranged in parallel, wherein the detection platform is connected with the support base through a telescopic rod capable of being adjusted in a lifting manner; the angle motor is installed with the shaft base through the key shaft, gap detection is carried out after the clamping of multiple slewing bearing is fixed, through the flexible dial indicator of adjusting, axial, radial gap adjustment can be carried out to the slewing bearing of different bores, practical efficiency of detection equipment is improved and detection error is reduced.
Description
Technical Field
The invention relates to the technical field of slewing bearing detection, in particular to a gap detection device of a large slewing bearing.
Background
The slewing bearing is a large bearing capable of bearing comprehensive load and simultaneously bearing larger axial and radial loads and overturning moment.
When the gap of the existing slewing bearing is detected, the outer ring (or the inner ring) of the slewing bearing is usually fixed, and then the gap value is detected through a dial indicator, so that the following problems exist in the placement:
1. the detection clearance value is single, only the axial clearance value can be detected, and for the radial clearance value, the rotary bearing with heavier weight cannot be detected due to the fact that the supporting tool equipment is simple to use.
2. When the clearance is detected, the supporting tool equipment is simple to use, the fact that the rotary support is placed on the horizontal plane cannot be guaranteed for the detected levelness or verticality, and the dial indicator cannot be placed perpendicular to the rotary support in use, so that the detected clearance numerical value error is too large, and the real clearance numerical value evaluation of the rotary support is affected.
3. The supporting tool is single in use, only one type of slewing bearing can be subjected to gap detection, the gap detection of multiple types of slewing bearings cannot be realized, and the detection difficulty is increased. .
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a gap detection device of a large slewing bearing, which can realize the accurate detection of the gap of the slewing bearing, keep the detection of levelness or verticality, improve the numerical accuracy of the gap, realize the gap detection after clamping and fixing of various slewing bearings according to the structures of different inner ring diameters or inner surfaces, and can carry out axial and radial gap adjustment on the slewing bearings with different calibers through a telescopic adjustment dial indicator, thereby improving the practical efficiency of detection equipment and reducing detection errors.
In order to achieve the purpose, the invention is realized by the following technical scheme: a clearance detection device of a large slewing bearing comprises a detection platform and a support base which are arranged in parallel, wherein the detection platform is connected with the support base through a telescopic rod capable of being adjusted in a lifting mode, rollers are arranged at the bottom of the support base, the middle of the detection platform is provided with a rectangular opening, an angle motor and a shaft base are distributed and mounted on two opposite sides of the detection platform, and the angle motor controls the forward rotation or the overturning of every 90 degrees through a control center, so that the axial clearance value of the slewing bearing can be detected horizontally or the radial clearance value of the slewing bearing can be detected vertically; the angle motor is installed with a shaft base through a key shaft, a first detection plate is arranged in the middle of a rectangular opening, the key shaft, the first detection plate and the rectangular opening are coaxially arranged, the key shaft horizontally penetrates through the first detection plate, the first detection plate is subjected to angle adjustment along with rotation of the key shaft, a first boss is arranged at the center of the upper surface of the first detection plate, the first boss is preferably of a hexagonal cylindrical structure, a first telescopic rod can be uniformly arranged on each surface, a positioning assembly is installed at the end of the first telescopic rod, the positioning assembly is abutted to an inner ring of a slewing bearing, the first detection plate is provided with two first limiting grooves in the axial direction of the key shaft, the two limiting grooves are symmetrically arranged by the first boss, when the first detection plate is in a vertical state, the first limiting grooves and the telescopic rod are coaxially arranged, the telescopic rod is sleeved inside the first limiting grooves, the first detection plate is enabled to be kept vertically placed, and radial gap detection is carried out by utilizing two pairs of slewing bearings arranged at the lower part of the first detection plate;
a first dial indicator is arranged on one side of the first detection plate, and the detection end of the first dial indicator is vertically contacted with the rotation direction of the slewing bearing to detect the axial gap difference of the slewing bearing;
the end of the first detection plate in the diagonal direction is respectively provided with a second limiting groove, the inner side surface of the rectangular opening and the second limiting groove are horizontally and oppositely provided with a second telescopic rod, the second limiting groove and the second telescopic rod are coaxially arranged, the end of the second telescopic rod is sleeved inside the second limiting groove to keep the first detection plate horizontally placed, when the first detection plate is in a horizontal state, a first slewing bearing is arranged on the first detection plate, one side of the first slewing bearing is provided with a first dial indicator, and the detection end of the first dial indicator is vertically contacted with the rotating direction of the first slewing bearing to detect the axial gap difference of the first slewing bearing;
and a horizontal pushing assembly is arranged on one side of the first detection plate, which is axially vertical to the key shaft, the upper part of the horizontal pushing assembly magnetically attracts the first dial indicator, a vertical pushing assembly is arranged on the surface of the supporting base vertically below the first detection plate, and a second dial indicator is magnetically attracted on the upper part of the vertical pushing assembly.
Preferably, the positioning assembly comprises a first threaded portion in threaded connection with the first telescopic rod, a second threaded portion is formed in the end portion of the first telescopic rod, the first threaded portion is in threaded connection with the second threaded portion to achieve the detachable replacement effect, a side, opposite to the first telescopic rod, of the first threaded portion is set to be a fixed shaft, and a side, opposite to the first threaded portion, of the fixed shaft is set to be an abutting piece.
Preferably, the abutment member is an arc-shaped tooth surface or a soft abutment surface.
Preferably, the horizontal pushing assembly comprises a sliding rail fixedly connected with the detection platform, the upper portion of the sliding rail is connected with a measurement supporting plate in a sliding mode, three telescopic rods are distributed on two sides of the sliding rail and installed between the detection platform and the measurement supporting plate, the three telescopic rods and the sliding rail are arranged in parallel, and the first dial indicator is magnetically attracted to the upper portion of the measurement supporting plate.
Preferably, the vertical pushing assembly comprises two telescopic rods IV which are vertically connected with the supporting base, the upper parts of the telescopic rods IV are sleeved with the first mounting plate, and the lateral part of the first mounting plate is magnetically attracted to the second dial indicator.
Preferably, the middle part of the first detection plate is provided with a key connecting hole penetrating through the body of the first detection plate, and a key shaft is sleeved inside the key connecting hole.
Preferably, the surface of the supporting base is provided with a control center for controlling the horizontal pushing assembly, the vertical pushing assembly and the angle motor.
Preferably, a level gauge is clamped on one side of the detection platform.
In summary, the invention provides a gap detection device for a large slewing bearing, which realizes gap detection for slewing bearings with different calibers through a horizontal pushing assembly, a vertical pushing assembly and a telescopically adjustable dial indicator, and particularly realizes the abutting positioning for the slewing bearing by mounting the slewing bearing on a first detection plate, driving a positioning assembly to abut against an inner ring of the slewing bearing through the expansion and contraction of a first telescopic rod, horizontally positioning the first detection plate through a level gauge, horizontally positioning the first detection plate through the telescoping of the telescopic rod in a second limit groove, vertically contacting the first dial indicator with the slewing bearing through the third telescopic rod, rotating an outer ring of the slewing bearing, detecting the axial gap of the slewing bearing, and recording a maximum deviation value and a minimum deviation value.
When the radial clearance is detected, the control center controls the angle motor to rotate by 90 degrees, then the horizontal direction of the upper level instrument of the detection plate I is observed, the telescopic rod is controlled to be sleeved in the limiting groove I, the rotary support is vertically positioned, the telescopic rod IV pushes the dial indicator II to be vertically contacted with the rotary support, the outer ring of the rotary support is rotated, the radial clearance of the rotary support is detected, and the maximum deviation value and the minimum deviation value are recorded.
The switching detection of the radial clearance detection and the axial clearance detection is realized, and the clearance detection efficiency and the numerical value detection accuracy are improved; through the telescopic adjustment of the first telescopic rod, clearance gaps can be formed on slewing bearings with different calibers, and through the use of different positioning assemblies, tooth surfaces or smooth surfaces arranged on the inner ring can be abutted and fixed, so that the positioning effect on the slewing bearings is achieved;
the dial indicator realizes the detection of the slewing gaps with different calibers through the telescopic adjustment of the telescopic rod, solves the problem that the gap detection can be carried out only on one type of slewing bearing, the gap detection of various types of slewing bearings can not be realized, and reduces the detection difficulty;
drawings
FIG. 1 is a schematic view of the axial gap test of the present invention;
FIG. 2 is a schematic view of the radial gap detection configuration of the present invention;
FIG. 3 is a schematic view of the horizontal pushing assembly of the present invention;
FIG. 4 is a schematic view of the positioning assembly of the present invention;
FIG. 5 is a schematic view of the positioning assembly of the present invention;
FIG. 6 is a schematic view of a keyed via configuration of the present invention;
FIG. 7 is a schematic structural view of a second limiting groove of the present invention;
in the figure: the device comprises a positioning component 1, a first detection plate 11, a first boss 12, a first telescopic rod 13, a first screw thread part 14, a second screw thread part 141, an abutting part 15, a key connecting hole 16, a first limit groove 2, a second limit groove 3, a horizontal pushing component 4, a first dial indicator 41, a sliding rail 42, a measurement supporting plate 43, a third telescopic rod 44, a vertical pushing component 5, a second dial indicator 51, a fourth telescopic rod 52, a first mounting plate 53, a detection platform 6, a supporting base 61, a rectangular opening 62, an angle motor 63, a shaft base 64, a key shaft 65, a control center 611 and a level instrument 612.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 7:
the invention relates to a gap detection device of a large slewing bearing, which comprises a detection platform 6 and a support base 61 which are arranged in parallel, wherein the detection platform 6 is connected with the support base 61 through a telescopic rod capable of being adjusted in a lifting way, the bottom of the support base 61 is provided with a roller, the middle part of the detection platform 6 is provided with a rectangular opening 62, two opposite sides of the detection platform 6 are respectively provided with an angle motor 63 and a shaft base 64, the angle motor 63 is controlled to rotate forwards or turn over once every 90 degrees through a control center, and the axial gap value of the slewing bearing can be conveniently detected horizontally or the radial gap value of the slewing bearing can be detected vertically; the angle motor 63 is installed with the shaft base 64 through the key shaft 65, the middle of the rectangular opening 62 is provided with the first detection plate 11, the key shaft 65, the first detection plate 11 and the rectangular opening 62 are coaxially arranged, the key shaft 65 horizontally penetrates through the first detection plate 11, the first detection plate 11 rotates along with the key shaft 65 to perform angle adjustment, the center of the upper surface of the first detection plate 11 is provided with the first boss 12, the first boss 12 is preferably of a hexagonal cylindrical structure, the first telescopic rod 13 can be uniformly arranged on each surface, the first telescopic rod 13 is uniformly arranged in the circumferential direction of the first boss 12, the end of the first telescopic rod 13 is provided with the positioning assembly 1, the positioning assembly 1 is abutted to the inner ring of the slewing bearing, the first detection plate 11 is provided with two first limiting grooves 2 in the axial direction of the key shaft 65, the two limiting grooves are symmetrically arranged by the first boss 12, when the first detection plate 11 is in a vertical state, the first limiting grooves 2 are coaxially arranged with the first telescopic rod 13, the first telescopic rod 13 is sleeved inside the first limiting grooves 2, so that the first detection plate 11 is vertically placed, and radial clearance of the bearing is detected by utilizing the second dial indicator 51 arranged on the lower portion of the first detection plate 11;
a slewing bearing is arranged on the detection plate I11, a dial indicator I41 is arranged on one side of the slewing bearing, and the detection end of the dial indicator I41 is vertically contacted with the rotation direction of the slewing bearing to detect the axial clearance difference of the slewing bearing;
as shown in fig. 1, 2 and 7, the end of the first detection plate 11 in the diagonal direction is respectively provided with a second limit groove 3, the inner side surface of the rectangular opening 62 is horizontally opposite to the second limit groove 3 and is provided with a second telescopic rod 31, the second limit groove 3 and the second telescopic rod 31 are coaxially arranged, the end of the second telescopic rod 31 is sleeved inside the second limit groove 3 so as to keep the first detection plate 11 horizontally placed, when the first detection plate 11 is in a horizontal state, a slewing bearing is arranged on the first detection plate 11, one side of the slewing bearing is provided with a first dial indicator 41, and the detection end of the first dial indicator 41 is vertically contacted with the slewing bearing in the rotating direction to detect the axial gap difference of the slewing bearing; a horizontal pushing component 4 is arranged on one side of the first detection plate 11, which is vertical to the key shaft 65 in the axial direction, a first magnetic suction dial indicator 41 is arranged on the upper portion of the horizontal pushing component 4, a vertical pushing component 5 is arranged on the surface of a supporting base vertically below the first detection plate 11, and a second magnetic suction dial indicator 51 is arranged on the upper portion of the vertical pushing component 5.
In at least one embodiment, as shown in fig. 1, 4 and 5, in order to realize abutting positioning installation of the slewing bearing, the positioning assembly 1 is adopted to comprise a first threaded part 14 in threaded connection with a first telescopic rod 13, a second threaded part 141 is arranged at the end part of the first telescopic rod 13, the first threaded part 14 is in threaded connection with the second threaded part 141, the detachable replacement effect is realized, a side of the first threaded part 14 opposite to the first telescopic rod 13 is set as a fixed shaft, and a side of the fixed shaft opposite to the first threaded part 14 is set as an abutting piece 15.
In at least one embodiment, as shown in fig. 4-5, in order to realize the positioning and abutting of the slewing bearing, the inner ring of the slewing bearing is provided with a smooth surface or a tooth surface, when the inner ring is provided with the smooth surface, the abutting member 15 is a soft abutting surface, the soft abutting surface is preferably made of rubber, when the inner ring is provided with the tooth surface, the abutting member 15 is an arc-shaped tooth surface, so that the arc-shaped tooth surface is meshed with the tooth surface of the inner ring and then is mounted in abutting connection.
In at least one embodiment, as shown in fig. 3, in order to realize accurate measurement of the axial gap by the slewing bearing, a horizontal pushing assembly 4 is provided, the horizontal pushing assembly 4 includes a sliding rail 42 fixedly connected with the detection platform 6, the upper part of the sliding rail 42 is slidably connected with a measurement supporting plate 43, two sides of the sliding rail 42 are distributed with three telescopic rods 44, the three telescopic rods 44 are installed between the detection platform 6 and the measurement supporting plate 43, and the three telescopic rods 44 and the sliding rail 42 are both arranged in parallel, and the upper part of the measurement supporting plate 43 is magnetically attracted to the dial indicator one 41;
when the axial clearance is measured, the detection end part of the first dial indicator 41 is perpendicular to the movement direction of the slewing bearing, and the axial maximum error and the axial minimum error of the slewing bearing can be accurately detected.
At least in one embodiment, as shown in fig. 2. In order to realize the accurate measurement of the radial clearance of the slewing bearing, a vertical pushing assembly 5 is arranged, the vertical pushing assembly 5 comprises two telescopic rods four 52 vertically connected with a supporting base 61, the upper parts of the telescopic rods four 52 are sleeved with a mounting plate one 53, and the side part of the mounting plate one 53 is magnetically attracted to a dial indicator two 51;
the second dial indicator 51 is vertically arranged at the bottom of the tested slewing bearing, and the detection end part of the second dial indicator 51 is vertically arranged in the movement direction of the slewing bearing, so that the radial maximum error and the radial minimum error of the slewing bearing at the position can be accurately detected.
In at least one embodiment, as shown in fig. 6, in order to realize the stable installation of the key shaft 65 and the detection plate 11, a key connection hole 16 penetrating through the body of the detection plate 11 is formed in the middle of the detection plate 11, and the key shaft 65 is sleeved inside the key connection hole 16, so that the switching rotation between the radial gap detection and the axial gap detection is realized, and the detection convenience is improved.
In at least one embodiment, as shown in fig. 2, the surface of the supporting base 61 is provided with a control center 611 for controlling the horizontal pushing assembly 4, the vertical pushing assembly 5 and the angle motor 63.
In at least one embodiment, as shown in fig. 1-2, after the pivoting support is mounted on the detection plate 11 in an abutting manner, the level 612 is clamped on one side of the sub-detection platform 6, so that the pivoting support can be intuitively adjusted to be in a horizontal direction or a vertical direction, and the purpose of detecting the pivoting support is improved.
The embodiments of the present invention are merely illustrative, and not restrictive, of the scope of the claims, and other substantially equivalent alternatives may occur to those skilled in the art and are within the scope of the present invention.
Claims (8)
1. The utility model provides a clearance detection device of large-scale slewing bearing, characterized in that, including parallel arrangement testing platform (6) and support base (61), connect through the telescopic link of liftable regulation between testing platform (6) and the support base (61), the bottom of support base (61) is provided with the gyro wheel, open in the middle part of testing platform (6) and establish into angle motor (63) (62), the relative both sides distribution of testing platform (6) is installed angle motor, axle base (64), angle motor passes through key shaft (65) and axle base (64) installation, the middle part of angle motor (63) (62) is provided with pick-up plate (11), key shaft (65), pick-up plate (11) and angle motor (63) (62) are coaxial setting, key shaft (65) level runs through pick-up plate (11), angle regulation is carried out along with key shaft (65) rotation to pick-up plate (11), the upper surface center department of pick-up plate (11) is provided with boss (12), the even that one (13) of telescopic link (12) has evenly arranged, the end department of telescopic link (13) installs locating component (1), the inner circle end department that the locating component (1) is located two limiting groove (2) and sets up the bearing with one boss (12), spacing groove two (3) have been seted up respectively in the end department that is located diagonal in pick-up plate one (11), telescopic link two is installed relatively with spacing groove two (3) level to the inboard surface of angle motor (63) (62), the end department of telescopic link two cup joints the inside in spacing groove two (3), pick-up plate one (11) and key shaft (65) axial vertically one side are provided with horizontal promotion subassembly (4), percentage table one (41) is inhaled to the upper portion magnetism of horizontal promotion subassembly (4), the supporting base surface of pick-up plate one (11) perpendicular below sets up perpendicular promotion subassembly (5), percentage table two (51) is inhaled to the upper portion magnetism of promoting subassembly (5) perpendicularly.
2. The gap detection device of the large-scale slewing bearing according to claim 1, wherein the positioning assembly (1) comprises a first threaded part (14) in threaded connection with the first telescopic rod (13), one side of the first threaded part (14) opposite to the first telescopic rod (13) is provided with a fixed shaft, and one side of the fixed shaft opposite to the first threaded part (14) is provided with an abutting piece (15).
3. The gap detection device of the large slewing bearing according to claim 2, wherein the abutting piece (15) is a tooth arc surface or a soft abutting surface.
4. The gap detection device of the large slewing bearing according to claim 1, wherein the horizontal pushing assembly (4) comprises a sliding rail (42) fixedly connected with the detection platform (6), the upper portion of the sliding rail (42) is slidably connected with a measurement support plate (43), three telescopic rods (44) are distributed on two sides of the sliding rail (42), the three telescopic rods (44) are installed between the detection platform (6) and the measurement support plate (43), the three telescopic rods (44) and the sliding rail (42) are arranged in parallel, and the first dial indicator (41) is magnetically attracted to the upper portion of the measurement support plate (43).
5. The gap detection device of the large slewing bearing according to claim 1, wherein the vertical pushing assembly (5) comprises two four telescopic rods (52) vertically connected with the support base (61), a first mounting plate (53) is sleeved on the upper portions of the four telescopic rods (52), and a second magnetic suction dial indicator (51) is arranged on the side portion of the first mounting plate (53).
6. The clearance detecting device for the large-scale slewing bearing according to claim 1, wherein a key connecting hole (16) penetrating through a body of the detecting plate I (11) is formed in the middle of the detecting plate I, and a key shaft (65) is sleeved inside the key connecting hole (16).
7. The gap detection device of the large slewing bearing according to claim 1, wherein the surface of the supporting base (61) is provided with a control center (611) for controlling the horizontal pushing assembly (4), the vertical pushing assembly (5) and the angle motor.
8. The gap detection device of the large slewing bearing according to claim 1, wherein a level (612) is clamped on one side of the detection platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310112808.8A CN115930741A (en) | 2023-02-14 | 2023-02-14 | Gap detection device of large slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310112808.8A CN115930741A (en) | 2023-02-14 | 2023-02-14 | Gap detection device of large slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115930741A true CN115930741A (en) | 2023-04-07 |
Family
ID=86649324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310112808.8A Pending CN115930741A (en) | 2023-02-14 | 2023-02-14 | Gap detection device of large slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115930741A (en) |
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2023
- 2023-02-14 CN CN202310112808.8A patent/CN115930741A/en active Pending
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