CN117963782A - Floating lifting mechanism of bearing ring flaw detection platform - Google Patents
Floating lifting mechanism of bearing ring flaw detection platform Download PDFInfo
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- CN117963782A CN117963782A CN202410381867.XA CN202410381867A CN117963782A CN 117963782 A CN117963782 A CN 117963782A CN 202410381867 A CN202410381867 A CN 202410381867A CN 117963782 A CN117963782 A CN 117963782A
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000007689 inspection Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention discloses a floating lifting mechanism of a bearing ring flaw detection platform, which structurally comprises a frame, wherein four supporting frames are arranged on the frame, platform fixing frames capable of sliding up and down are arranged on the supporting frames, four trapezoid screw rods capable of rotating synchronously are arranged on the frame, the four trapezoid screw rods are respectively and rotatably arranged on the four supporting frames, a transmission nut is connected to the trapezoid screw rods in a threaded manner, a chassis is arranged at the bottom of the transmission nut, the platform fixing frames are floatably connected above the chassis, when the four trapezoid screw rods synchronously rotate on the transmission nut, and when screw failure occurs between any trapezoid screw rod and the transmission nut, the platform fixing frames are free-floating on the chassis in any direction, so that four corners of the flaw detection platform are respectively self-adaptive to the movement positions of the four platform fixing frames.
Description
Technical Field
The invention relates to the technical field of production of bearing ring flaw detection equipment, in particular to a floating lifting mechanism of a bearing ring flaw detection platform.
Background
As shown in fig. 1, at present, the lifting of the bearing ring flaw detection platform generally uses a rotating motor 101 on a frame 100 as a power mechanism, and drives four trapezoidal screw rods 1 to rotate simultaneously through a plurality of commutators 102, so that the lifting of the flaw detection platform is controlled through the principle that a transmission nut 11 runs up and down.
In the above transmission structure, a larger span appears in the need of the trapezoidal screw 1, but in the prior art, the requirement of the traditional lifting mechanism on the position precision of the whole machine is higher, the relative parallel and vertical requirements of a plurality of positions are required to be ensured, and often, the position precision is difficult to ensure due to the ultra-large distance transmission, so that in the operation process of the trapezoidal screw 1, the phenomenon that mutual strengthening occurs between a certain transmission nut 11 and the trapezoidal screw 1, namely, the screw thread between the trapezoidal screw 1 and the transmission nut 11 fails, so that the transmission nut 11 is suddenly clamped on the trapezoidal screw 1, the transmission nuts 11 at other positions still operate normally up and down, the transmission nuts 11 at other positions are forced to pull the transmission nuts 11 at other positions, the pulled direction of the transmission nuts 11 at other positions faces the transmission nuts 11 at other positions, the pulled pressure causes the transmission nuts 11 to be damaged, the service life of the trapezoidal screw 1 and the transmission nuts 11 is influenced, and the production cost of enterprises is increased.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a floating lifting mechanism for a bearing ring inspection platform.
In order to achieve the above purpose, the invention provides a floating lifting mechanism of a bearing ring flaw detection platform, which structurally comprises a frame, wherein four supporting frames are arranged on the frame, platform fixing frames capable of sliding up and down are arranged on the supporting frames, four corners of the flaw detection platform are respectively connected with the four platform fixing frames, and lifting of the flaw detection platform synchronously slides up and down based on the four platform fixing frames, and the innovation point is that: four trapezoid screw rods which synchronously rotate are arranged on the frame, the four trapezoid screw rods are respectively and rotatably arranged on the four supporting frames, the transmission nuts are in threaded connection with the trapezoid screw rods, the bottom of each transmission nut is provided with a chassis, the platform fixing frames are connected above the chassis in a floating mode, and when the four trapezoid screw rods synchronously rotate on the transmission nuts, the four chassis synchronously support the four platform fixing frames to move upwards or the four platform fixing frames respectively and synchronously move downwards along with the four chassis under the action of self gravity, so that the flaw detection platform moves in a lifting mode;
when the four platform fixing frames drive the flaw detection platform to lift, and when screw thread failure occurs between any trapezoidal screw rod and transmission nut, the platform fixing frames float freely on the chassis in any direction, so that four corners of the flaw detection platform are respectively self-adaptive to the movement positions of the four platform fixing frames.
Further, the platform fixing frame comprises two side plates which are parallel to each other and a connecting plate connected between the tops of the two side plates, two sliding rails perpendicular to the horizontal plane are arranged on the supporting frame, the two side plates are respectively arranged on the sliding rails in a sliding mode, a hole groove is formed in the center position of the connecting plate, the transmission nut movably penetrates through the hole groove, a plurality of connecting holes are formed in the chassis, a plurality of equal-height nuts are fixedly arranged on the connecting plate, the caliber of each connecting hole is larger than that of the bottom of each equal-height nut, and the bottoms of the equal-height nuts are placed in the connecting holes.
Further, a thin plate is arranged between the connecting plate and the chassis, a plurality of equal-height nuts movably penetrate the thin plate, and when the chassis supports the platform fixing frame, the upper surface of the thin plate is contacted with the connecting plate, and the lower surface of the thin plate is contacted with the surface of the bottom plate.
Further, the material of the thin plate is polytetrafluoroethylene.
Further, the inner wall of the connecting hole is surrounded by a pressure sensor, and the pressure sensor is used for dynamically monitoring the abutting pressure of the bottom of the equal-height nut on the inner wall of the connecting hole.
Further, two rotatable side wheels are arranged on the side plates and respectively abut against two sides of the sliding rail, rotatable middle wheels are arranged between the two side wheels, and the middle wheels abut against the surface of the sliding rail.
Furthermore, a plurality of equal-height nuts are circularly arranged at the outer side of the hole groove.
Further, the tops of the two side plates are vertically and upwards extended to form a vertical plate, the connecting plate is connected between the two vertical plates, and the width of the thin plate is smaller than that of the connecting plate, so that avoiding gaps are reserved between the two ends of the thin plate and the two vertical plates respectively.
The invention has the technical effects and advantages that: when the threads between one trapezoidal screw rod and the transmission nut fail, the chassis at the position can temporarily stop to support the platform fixing frame to move upwards, or the platform fixing frame can temporarily stop to move downwards along with the chassis at the position, but because the chassis at other positions still continue to support the platform fixing frame to move upwards or the platform fixing frame continues to move downwards along with the chassis at other three positions, at the moment, the phenomenon of asynchronous up-and-down movement of four corners of the flaw detection platform can occur, and the platform fixing frame floats on the chassis in any direction, so that the four corners of the flaw detection platform are respectively self-adaptive to the movement positions of the platform fixing frame, and the corners which are in normal up-and-down movement on the flaw detection platform are prevented from being forced to pull the corners which are in a stop movement state on the flaw detection platform, so that the transmission nut is protected.
Drawings
Fig. 1 is an isometric view of a frame of the present invention.
Fig. 2 is an isometric view of a support stand of the present invention.
Fig. 3 is an enlarged structural view of a portion a of the present invention.
Fig. 4 is an enlarged structural view of a portion B of the present invention.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to fig. 4, in a specific embodiment of the present invention, the structure includes a frame 100, four supporting frames 2 are provided on the frame 100, each supporting frame 2 is provided with a platform fixing frame 3 capable of sliding up and down, four corners of the flaw detection platform are respectively connected with the four platform fixing frames 3, lifting of the flaw detection platform synchronously slides up and down based on the four platform fixing frames 3, four synchronously rotating trapezoidal screw rods 1 are provided on the frame 100, the four trapezoidal screw rods 1 are respectively rotatably provided on the four supporting frames 2, a transmission nut 11 is connected to the trapezoidal screw rods 1 through threads, a chassis 12 is provided at the bottom of the transmission nut 11, the platform fixing frames 3 are floatably connected above the chassis 12, and when the four trapezoidal screw rods 1 synchronously rotate on the transmission nut 11, the four chassis 12 synchronously support the four platform fixing frames 3 to move up or the four platform fixing frames 3 synchronously move down under the gravity action of the self so as to make the flaw detection platform lift up and down;
When the four platform fixing frames 3 drive the flaw detection platform to lift, and when screw thread failure occurs between any trapezoidal screw rod 1 and transmission nut 11, the platform fixing frames 3 are free-floating on the chassis 12 in any direction, so that four corners of the flaw detection platform are respectively self-adaptive to the movement positions of the four platform fixing frames 3.
In the invention, when the threads between one of the trapezoidal screw rods 1 and the transmission nut 11 fail, the chassis 12 at the position can temporarily stop supporting the platform fixing frame 3 to move upwards, or the platform fixing frame 3 can temporarily stop following the chassis 12 at the position to move downwards, but as the chassis 12 at other positions still continue supporting the platform fixing frame 3 to move upwards or the platform fixing frame 3 continues following the chassis 12 at other three positions to move downwards, the phenomenon that the up-and-down movement of four corners of the flaw detection platform is asynchronous can occur, and the platform fixing frame 3 can float on the chassis 12 in any direction, so that the four corners of the flaw detection platform are respectively adaptive to the movement positions of the four platform fixing frames 3, the corners in normal up-and-down movement on the flaw detection platform are prevented from being forcedly pulled by the corners in the stop movement state on the flaw detection platform, the effect of protecting the transmission nut 11 is played, and along with the continuous rotation of the trapezoidal screw rods 1, after the trapezoidal screw rods 1 cross the positions with the threads fail, the screw action between the trapezoidal screw rods 1 and the transmission nut 11 is recovered, and the flaw detection platform can be ensured to normally move up and down.
In the present invention, as a preferred scheme, the platform fixing frame 3 includes two parallel side plates 31 and a connecting plate 32 connected between the tops of the two side plates 31, two slide rails 4 perpendicular to the horizontal plane are provided on the support frame 2, the two side plates 31 are respectively slidably disposed on the slide rails 4, a hole slot 41 is provided at the center of the connecting plate 32, a transmission nut 11 movably penetrates through the hole slot 41, a plurality of connecting holes 42 are provided on the chassis 12, a plurality of equal-height nuts 43 are inherent on the connecting plate 32, the caliber of the connecting holes 42 is larger than the caliber of the bottoms of the equal-height nuts 43, and the bottoms of the equal-height nuts 43 are disposed inside the connecting holes 42.
In the invention, the aperture of the connecting hole 42 is larger than the caliber of the bottom of the equal-height nut 43, so that the bottom of the equal-height nut 43 can shake in any direction inside the connecting hole 42, and the platform fixing frame 3 can float in any direction on the chassis 12.
In the present invention, preferably, a thin plate 5 is disposed between the connecting plate 32 and the chassis 12, and a plurality of nuts 43 having the same height are movably inserted through the thin plate 5, and when the chassis 12 supports the platform fixing frame 3, the upper surface of the thin plate 5 is in contact with the connecting plate 32 and the lower surface of the thin plate 5 is in contact with the surface of the bottom plate.
In the present invention, the material of the thin plate 5 is preferably polytetrafluoroethylene.
In the invention, the platform fixing frame 3 floats on the chassis 12 in any direction, so that friction can occur between the connecting plate 32 and the chassis 12, the thin plate 5 can prevent the connecting plate 32 from directly rubbing against the chassis 12, the effect of protecting the connecting plate 32 and the chassis 12 is achieved, meanwhile, the thin plate 5 is made of polytetrafluoroethylene, the friction force between the connecting plate 32 and the thin plate 5 is smaller, and the friction force between the chassis 12 and the thin plate 5 is smaller, so that the floating of the platform fixing frame 3 on the chassis 12 is smoother.
In the present invention, as a preferable scheme, the inner wall of the connecting hole 42 is surrounded by a pressure sensor, and the pressure sensor is used for dynamically monitoring the abutting pressure of the bottom of the equal-height nut 43 on the inner wall of the connecting hole 42.
In the invention, when the platform fixing frame 3 floats on the chassis 12 in any direction, the bottom of the equal-height nut 43 contacts with the inner wall of the connecting hole 42 along with the floating of the platform fixing frame 3, the larger the floating amplitude of the platform fixing frame 3 is, the larger the pressure of the bottom of the equal-height nut 43 which is abutted against the inner wall of the connecting hole 42 is, and the floating amplitude of the platform fixing frame 3 is related to the failure interval of the trapezoidal screw 1 on the transmission nut 11, namely the failure length of the screw between the trapezoidal screw 1 and the transmission nut 11 is, namely the larger the failure interval of the trapezoidal screw 1 on the transmission nut 11 is, and the larger the floating amplitude of the platform fixing frame 3 is.
In the invention, the interference pressure of the bottom of the equal-height nut 43 on the inner wall of the connecting hole 42 is dynamically monitored by the pressure sensor, the position of the failure of the threads on the trapezoidal screw 1 can be recorded, the record provides a data basis for the subsequent repair of the trapezoidal screw 1, meanwhile, the floating amplitude of the platform fixing frame 3 on the chassis 12 needs to be set within a certain interval to ensure that the transmission nut 11 cannot be damaged, the interval setting can be fed back through the value dynamically monitored by the pressure sensor, when the value monitored by the pressure sensor exceeds a certain range, the phenomenon that the floating amplitude of the platform fixing frame 3 on the chassis 12 is overlarge, the damage phenomenon of the transmission nut 11 can occur, and the lifting of the flaw detection platform needs to be stopped immediately, otherwise, as long as the value detected by the pressure sensor is kept between the set intervals, the trapezoidal screw 1 and the transmission nut 11 can be continuously used.
In the present invention, as a preferable scheme, the side plate 31 is provided with two rotatable side wheels 6, the two side wheels 6 respectively abut against two sides of the sliding rail 4, a rotatable middle wheel 61 is provided between the two side wheels 6, and the middle wheel 61 abuts against the surface of the sliding rail 4.
In the invention, the sliding of the side plate 31 on the support frame 2 is realized by rolling two side wheels 6 on two sides of the slide rail 4 and rolling one middle wheel 61 on the surface of the slide rail 4, so that the stability of the up-and-down sliding of the platform fixing frame 3 is ensured.
In the present invention, preferably, a plurality of the nuts 43 are arranged in a circular shape outside the hole groove 41.
In the present invention, as a preferable scheme, the top of each of the two side plates 31 is vertically extended upward with the riser 7, the connection plate 32 is connected between the two risers 7, and the width of the thin plate 5 is smaller than the width of the connection plate 32, so that the avoiding gap 71 is maintained between the two ends of the thin plate 5 and the two risers 7, respectively.
In the invention, the connection plate 32 rubs on the surface of the thin plate 5, the avoiding gap 71 is set to avoid the contact between the thin plate 5 and the vertical plate 7, and the platform fixing frame 3 has enough space on the chassis 12 to float.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a floating elevating system of bearing ring platform of detecting a flaw, its structure includes frame (100), be equipped with four support frames (2) on frame (100), but all be equipped with gliding platform mount (3) from top to bottom on support frame (2), four corners of detecting a flaw the platform are connected with four platform mounts (3) respectively, detect a flaw the lift of platform and based on four platform mount (3) slide from top to bottom in step, its characterized in that: four trapezoid screw rods (1) capable of synchronously rotating are arranged on the frame (100), the four trapezoid screw rods (1) are respectively and rotatably arranged on the four supporting frames (2), transmission nuts (11) are connected to the trapezoid screw rods (1) in a threaded mode, a chassis (12) is arranged at the bottom of each transmission nut (11), the platform fixing frames (3) are connected above the chassis (12) in a floating mode, and when the four trapezoid screw rods (1) synchronously rotate on the transmission nuts (11), the four chassis (12) synchronously support the four platform fixing frames (3) to move upwards or the four platform fixing frames (3) respectively follow the four chassis (12) to move downwards under the action of self gravity, so that the flaw detection platform can move up and down;
When four platform mount (3) drive the platform of detecting a flaw and go up and down, when screw thread failure appears between arbitrary trapezoidal lead screw (1) and drive nut (11), platform mount (3) are in on chassis (12) with arbitrary direction carries out free-floating for four corners of the platform of detecting a flaw are respectively self-adaptation four the motion position of platform mount (3).
2. A floating lift mechanism for a bearing ring inspection platform according to claim 1, wherein: the platform mount (3) includes two curb plates (31) that are parallel to each other and connects connecting plate (32) between two curb plate (31) tops, be equipped with two slide rails (4) that are perpendicular to horizontal plane on support frame (2), two curb plate (31) are slided respectively and are set up on slide rail (4), the central point of connecting plate (32) puts and is equipped with hole groove (41), transmission nut (11) mobilizable run through the inside of hole groove (41), be equipped with a plurality of connecting holes (42) on chassis (12), inherent a plurality of equal-height nuts (43) on connecting plate (32), the bore of connecting hole (42) is greater than the bore of equal-height nut (43) bottom, the bottom of equal-height nut (43) is placed the inside of connecting hole (42).
3. A floating lift mechanism for a bearing ring inspection platform according to claim 2, wherein: be equipped with sheet metal (5) between connecting plate (32) with chassis (12), a plurality of contour nut (43) are mobilizable run through sheet metal (5), chassis (12) hold when platform mount (3), the upper surface of sheet metal (5) with connecting plate (32) contact and the lower surface of sheet metal (5) with the surface contact of bottom plate.
4. A floating lift mechanism for a bearing ring inspection platform according to claim 3, wherein: the sheet (5) is made of polytetrafluoroethylene.
5. A floating lift mechanism for a bearing ring inspection platform according to claim 2, wherein: the inner wall of the connecting hole (42) is surrounded by a pressure sensor, and the pressure sensor is used for dynamically monitoring the abutting pressure of the bottom of the equal-height nut (43) on the inner wall of the connecting hole (42).
6. A floating lift mechanism for a bearing ring inspection platform according to claim 2, wherein: two rotatable side wheels (6) are arranged on the side plates (31), the two side wheels (6) are respectively abutted against two sides of the sliding rail (4), rotatable middle wheels (61) are arranged between the two side wheels (6), and the middle wheels (61) are abutted against the surface of the sliding rail (4).
7. A floating lift mechanism for a bearing ring inspection platform according to claim 2, wherein: the equal-height nuts (43) are circularly arranged outside the hole grooves (41).
8. A floating lift mechanism for a bearing ring inspection platform according to claim 2, wherein: the tops of the two side plates (31) are vertically upwards extended with vertical plates (7), the connecting plate (32) is connected between the two vertical plates (7), and the width of the thin plate (5) is smaller than that of the connecting plate (32), so that avoidance gaps (71) are respectively kept between two ends of the thin plate (5) and the two vertical plates (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410381867.XA CN117963782B (en) | 2024-04-01 | 2024-04-01 | Floating lifting mechanism of bearing ring flaw detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410381867.XA CN117963782B (en) | 2024-04-01 | 2024-04-01 | Floating lifting mechanism of bearing ring flaw detection platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117963782A true CN117963782A (en) | 2024-05-03 |
| CN117963782B CN117963782B (en) | 2024-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410381867.XA Active CN117963782B (en) | 2024-04-01 | 2024-04-01 | Floating lifting mechanism of bearing ring flaw detection platform |
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| CN (1) | CN117963782B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0986890A (en) * | 1995-09-28 | 1997-03-31 | Meikikou:Kk | Safety device in table lifter |
| US20030025059A1 (en) * | 2001-07-31 | 2003-02-06 | Valentz Arthur J. | Support base |
| WO2013131359A1 (en) * | 2012-03-05 | 2013-09-12 | Tsang Lingchu | Screw-driven lift table |
| CN107589385A (en) * | 2017-08-21 | 2018-01-16 | 天津理工大学 | A kind of device of automatic detection magnet coil electromagnetic parameter |
| CN215437431U (en) * | 2021-08-27 | 2022-01-07 | 淮安金利达包装有限公司 | Storage tray that can pile up |
| CN218753485U (en) * | 2022-10-31 | 2023-03-28 | 湖南中伟智能制造有限公司 | Move and carry mechanism and go up unloading system thereof |
| CN219651627U (en) * | 2023-03-27 | 2023-09-08 | 沈阳易达工业设备制造有限公司 | Cargo handling tray for logistics storage |
-
2024
- 2024-04-01 CN CN202410381867.XA patent/CN117963782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0986890A (en) * | 1995-09-28 | 1997-03-31 | Meikikou:Kk | Safety device in table lifter |
| US20030025059A1 (en) * | 2001-07-31 | 2003-02-06 | Valentz Arthur J. | Support base |
| WO2013131359A1 (en) * | 2012-03-05 | 2013-09-12 | Tsang Lingchu | Screw-driven lift table |
| CN107589385A (en) * | 2017-08-21 | 2018-01-16 | 天津理工大学 | A kind of device of automatic detection magnet coil electromagnetic parameter |
| CN215437431U (en) * | 2021-08-27 | 2022-01-07 | 淮安金利达包装有限公司 | Storage tray that can pile up |
| CN218753485U (en) * | 2022-10-31 | 2023-03-28 | 湖南中伟智能制造有限公司 | Move and carry mechanism and go up unloading system thereof |
| CN219651627U (en) * | 2023-03-27 | 2023-09-08 | 沈阳易达工业设备制造有限公司 | Cargo handling tray for logistics storage |
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| CN117963782B (en) | 2024-06-28 |
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