CN214520057U

CN214520057U - Three-axis turntable with self-stabilizing function

Info

Publication number: CN214520057U
Application number: CN202120431420.0U
Authority: CN
Inventors: 陈晓亮; 周栋; 司开钦
Original assignee: Beijing Aerospace Yihe Technology Co ltd
Current assignee: Beijing Aerospace Yihe Technology Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-10-29
Anticipated expiration: 2031-02-27

Abstract

The utility model relates to a triaxial revolving stage with self stabilization function, it includes the bottom plate, is fixed with cylindric supporting seat on the bottom plate, but is provided with horizontal pivoted rotatory outrigger on the supporting seat, is provided with the rotatory supporting mechanism who is used for strengthening the relative supporting seat rotational stability of rotatory outrigger between rotatory outrigger and the supporting seat. The test device has the effects of improving the running stability of the three-axis turntable and testing the testing precision of the test device.

Description

Three-axis turntable with self-stabilizing function

Technical Field

The application relates to the technical field of rotary tables, in particular to a three-axis rotary table with a self-stabilizing function.

Background

The turntable is a complex modern device integrating light collector with electricity, performs semi-physical simulation and test in the fields of aviation and aerospace, plays a key role in the development of aircrafts, can simulate various attitude angular motions of the aircrafts, reproduces various dynamic characteristics during the motions of the aircrafts, repeatedly tests the performances of a guidance system, a control system and corresponding devices of the aircrafts, obtains sufficient test data, redesigns and improves the system according to the data, and meets the performance index requirement of the overall design of the aircrafts.

The existing three-axis turntable comprises a circular plate-shaped bottom plate, a cylindrical supporting seat is coaxially fixed on the bottom plate and is provided with a U-shaped rotating outer frame with an upward opening, a first rotating shaft is fixed on the lower surface of the rotating outer frame, penetrates into the supporting seat and is rotatably connected with the supporting seat, a first motor is arranged in the supporting seat and is used for driving the first rotating shaft to rotate horizontally, a U-shaped rotating inner frame with an upward opening is arranged between two vertical arms of the rotating outer frame, a second rotating shaft is respectively fixed on two sides of the rotating inner frame, the two second rotating shafts are coaxially arranged, two opposite ends of the two second rotating shafts respectively penetrate through corresponding side walls of the rotating outer frame and are rotatably connected with the rotating outer frame, a second motor is fixed on the rotating outer frame, an output shaft of the second motor is coaxially fixed with one of the second rotating shafts, and a third motor is fixed on the lower surface of the rotating inner frame, an output shaft of the third motor penetrates upwards between the two vertical arms of the rotary inner frame and is coaxially fixed with a third rotating shaft, and a rotating disc for mounting a test device is coaxially fixed at the top end of the third rotating shaft.

However, in the operation process of the three-axis rotary table, the first rotating shaft bears the whole weight of the parts such as the rotating outer frame and the rotating inner frame, so that the stability of the three-axis rotary table is poor, and the testing precision is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve triaxial revolving stage operating stability, and then improve test device's measuring accuracy, this application provides a triaxial revolving stage with self stabilization function.

The application provides a triaxial revolving stage with self stabilization function adopts following technical scheme:

the utility model provides a triaxial revolving stage with self stabilization function, includes the bottom plate, is fixed with cylindric supporting seat on the bottom plate, but is provided with horizontal pivoted rotatory outrigger on the supporting seat, is provided with the rotation support mechanism who is used for strengthening the relative supporting seat rotational stability of rotatory outrigger between rotatory outrigger and the supporting seat.

By adopting the technical scheme, when the rotating outer frame of the three-axis turntable rotates, the rotating supporting mechanism operates simultaneously, so that the weight of the rotating outer frame and the weight of the testing device on the rotating outer frame are shared on the supporting seat more uniformly, thereby improving the stability of the operation of the three-axis turntable and ensuring that the testing precision of the testing device is higher.

Optionally, rotatory supporting mechanism includes the mount pad with the coaxial setting of supporting seat, and the mount pad upper surface pastes each other with rotatory outrigger lower surface and establishes and fix, and a plurality of vertical layout's installation pole has been installed to the lower surface of mount pad, corresponds the coaxial cover of installation pole bottom department on the support column and establishes and be fixed with the ring frame, and a jack has been seted up towards ring frame department to the installation pole, and the jack interpolation is equipped with the picture peg, offers on the outer peripheral face of ring frame to supply the picture peg to keep away from installation pole one end card and establish and encircle ring frame axis pivoted annular.

Through adopting above-mentioned technical scheme, when the axis motion of rotatory outrigger around the supporting seat, the installation pole is established through the mutual card of picture peg and annular and is supported and rotate, shares the weight of rotatory outrigger and other parts on it on the supporting seat, has reduced the bearing that first rotation axis received, and overall structure is simple, and the staff of being convenient for maintains.

Optionally, the mounting rod comprises a first vertical rod connected with the mounting seat and a second vertical rod arranged at the bottom end of the first vertical rod, the jack is arranged on one side, facing the ring frame, of the second vertical rod, and a rotating assembly used for horizontally rotating and fixing the second vertical rod is arranged between the first vertical rod and the second vertical rod.

Through adopting above-mentioned technical scheme, when needs are changed the picture peg, the staff can open runner assembly with second montant horizontal rotation, breaks away from out in the annular to the picture peg, then can extract the picture peg from the jack, dismantles and installs the picture peg to avoid the picture peg to weaken because of wearing and tearing supporting effect, improve the support stability of picture peg pairing rotation outrigger.

Optionally, the runner assembly is including fixing the first carousel at second montant upper surface, the upper surface of first carousel and first carousel coaxial fixation have a second carousel, the diameter of second carousel is greater than the diameter of first carousel, the lower surface of first montant has been seted up one and has been supplied first carousel and second carousel card to establish and pivoted ladder annular, one side that first montant deviates from the ring frame is close to second montant department and is fixed with a first otic placode, one side that the second montant deviates from the ring frame is close to first montant department and is fixed with a second otic placode, a bolt has passed jointly on first otic placode and the second otic placode.

Through adopting above-mentioned technical scheme, when needs were maintained the picture peg, the staff only need upwards stimulate the bolt and remove the restriction to the second otic placode, then can rotate the relative first carousel of second montant, and overall structure is simple to operate, has improved the change efficiency to the picture peg.

Optionally, the bolt is including the inserted bar that passes first otic placode and second otic placode and fix the end plate on the inserted bar top, and the end plate is located the top of first otic placode, and the cover is equipped with an extension spring on the inserted bar between end plate and the first otic placode, and extension spring's both ends are fixed with end plate and first otic placode respectively.

Through adopting above-mentioned technical scheme, extension spring makes more stable that inserted bar and first otic placode and second otic placode were pegged graft to the elastic action of end plate, and extension spring has avoided losing of inserted bar and end plate with the being connected of end plate and inserted bar and first otic placode.

Optionally, a plurality of balls are embedded in the side wall, close to the ring groove, of the insertion plate, and one side, away from the insertion plate, of each ball is attached to the side wall of the ring groove.

Through adopting above-mentioned technical scheme, the friction between picture peg and the annular has been reduced in the setting of ball, makes the picture peg change relative ring frame and rotates, improves rotation efficiency.

Optionally, the lateral wall of bottom plate is gone up to the central direction of bottom plate and is seted up the spout of a plurality of rectangles, and the spout communicates with the lower surface of bottom plate each other, has respectively seted up a spacing groove along the length direction of spout on two relative vertical lateral walls of spout, and the spacing groove communicates with the lateral wall of bottom plate each other, and the spout internal slipping is connected with the backup pad that flushes with the bottom plate lower surface, and two spacing groove departments that correspond of backup pad respectively are fixed with one along the length direction of backup pad and use spacing with the spacing groove cooperation.

Through adopting above-mentioned technical scheme, pulling the backup pad, support the backup pad major part on the ground outside the bottom plate, increased the whole support range with ground of bottom plate to further improvement the whole operating stability of triaxial revolving stage.

Optionally, a butterfly bolt is arranged at a position, corresponding to the sliding groove, of the upper surface of the bottom plate, the butterfly bolt is close to one end, far away from the center of the bottom plate, of the sliding groove, and the end portion of the butterfly bolt penetrates into the sliding groove and is abutted to the upper surface of the supporting plate.

By adopting the technical scheme, when the supporting plate and the sliding groove are required to be fixed mutually, a worker only needs to manually screw the butterfly bolt, so that the end part of the butterfly bolt is tightly propped against the upper surface of the supporting plate, the relative sliding between the supporting plate and the sliding groove can be limited, and the fixing stability of the supporting plate and the sliding groove is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the operation stability of the three-axis turntable is improved, when the rotating outer frame of the three-axis turntable rotates, the rotating outer frame is supported by the rotating support mechanism, so that the weight of the rotating outer frame and the weight of a test device on the rotating outer frame are more evenly shared on the support base, and the test precision of the test device is higher;

2. the efficiency of the maintenance of rotatory supporting mechanism is improved, the installation pole through the picture peg with the mutual card of annular establish support with rotate, share the weight of rotatory outrigger and other parts on it on the supporting seat, reduced the bearing that first rotation axis received, overall structure is simple, the staff of being convenient for maintains.

Drawings

FIG. 1 is a schematic overall structure diagram of a three-axis turntable according to an embodiment of the present application;

fig. 2 is a schematic structural view showing a rotating assembly.

Description of reference numerals: 1. a base plate; 11. a supporting seat; 12. a chute; 13. a limiting groove; 2. a turntable mechanism; 21. rotating the outer frame; 22. a first rotating shaft; 23. rotating the inner frame; 24. a second rotation shaft; 25. a second motor; 26. a third motor; 27. a third rotation axis; 28. rotating the disc; 3. a rotation support mechanism; 31. a mounting seat; 311. mounting holes; 32. mounting blocks; 33. fixing the bolt; 34. mounting a rod; 341. a jack; 342. a first vertical bar; 3421. a stepped ring groove; 343. a second vertical bar; 35. inserting plates; 36. a ring frame; 361. a ring groove; 37. a ball bearing; 4. a rotating assembly; 41. a first turntable; 42. a second turntable; 43. a first ear plate; 44. a second ear panel; 45. inserting a rod; 46. an end plate; 47. an extension spring; 5. an auxiliary support assembly; 51. a support plate; 52. a limiting strip; 53. butterfly bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses triaxial revolving stage with self stabilization function. Referring to fig. 1, the three-axis turntable includes a circular plate-shaped bottom plate 1, a cylindrical supporting seat 11 is coaxially fixed on the upper surface of the bottom plate 1, a turntable mechanism 2 is arranged at the top of the supporting seat 11 and used for mounting a testing device for an experiment, and a rotary supporting mechanism 3 used for enhancing the operation stability of the turntable mechanism 2 relative to the supporting seat 11 is further arranged between the turntable mechanism 2 and the supporting seat 11.

Referring to fig. 1, the turntable mechanism 2 includes a U-shaped rotary outer frame 21 with an upward opening, a first rotary shaft 22 coaxially disposed with the support base 11 is fixed on a lower surface of the rotary outer frame 21, the first rotary shaft 22 penetrates into the support base 11 and is rotatably connected with the support base 11, a first motor is disposed in the support base 11 for driving the first rotary shaft 22 to rotate horizontally, a U-shaped rotary inner frame 23 with an upward opening is disposed between two vertical arms of the rotary outer frame 21, a second rotary shaft 24 is respectively fixed on two sides of the rotary inner frame 23, the two second rotary shafts 24 are coaxially disposed, two opposite ends of the two second rotary shafts 24 respectively penetrate through corresponding side walls of the rotary outer frame 21 and are rotatably connected with the rotary outer frame 21, a second motor 25 is fixed on the rotary outer frame 21, an output shaft of the second motor 25 is coaxially fixed with one of the second rotary shafts 24, a third motor 26 is fixed on a lower surface of the rotary inner frame 23, an output shaft of the third motor 26 penetrates upwards between the two vertical arms of the rotating inner frame 23 and is coaxially fixed with a third rotating shaft 27, and a rotating disc 28 for mounting a test device is coaxially fixed at the top end of the third rotating shaft 27; when testing devices are required to be tested, an experimenter only needs to fix the testing devices on the rotating disc 28 through bolts, and then the three-axis turntable is started, so that the testing devices on the rotating disc 28 can move in multiple directions under the driving of the first motor, the second motor 25 and the third motor 26, and a testing experiment is completed.

Referring to fig. 1 and 2, the rotary support mechanism 3 includes an annular mounting seat 31 disposed coaxially with the support seat 11, the mounting seat 31 has a rectangular cross section, the upper surface of the mounting seat 31 and the lower surface of the rotary outer frame 21 are attached and fixed to each other, the upper surface of the mounting seat 31 is provided with four rectangular mounting holes 311, the four mounting holes 311 are uniformly distributed around the axis of the mounting seat 31, a mounting block 32 is inserted into each mounting hole 311, the lower surface of the mounting block 32 and the lower surface of the mounting seat 31 are flush with each other, a fixing bolt 33 is disposed on the outer circumferential surface of the mounting seat 31 corresponding to each mounting hole 311, the end of the fixing bolt 33 penetrates into the corresponding mounting hole 311 and is screwed on the mounting block 32, so that the mounting block 32 and the mounting hole 311 are fixed to each other, a vertically disposed mounting rod 34 is fixed to the lower surface of the mounting block 32, and the cross section of the mounting rod 34 is square, the bottom end of the mounting rod 34 extends to the middle position of the supporting seat 11 in the direction of the bottom plate 1, a rectangular insertion hole 341 is formed in one side of the mounting rod 34 facing the supporting seat 11 and close to the bottom end of the mounting rod 34, an insertion plate 35 is inserted into the insertion hole 341, a ring frame 36 is coaxially sleeved and fixed on the supporting seat 11 corresponding to the insertion plate 35, and a ring groove 361 is formed in the outer peripheral surface of the ring frame 36 and used for inserting one end of each insertion plate 35 facing the supporting seat 11 and moving around the axis of the supporting seat 11.

When the rotating outer frame 21 and the first rotating shaft 22 move around the axis of the supporting seat 11 under the driving of the first motor, the mounting rod 34 supports and rotates through the mutual clamping of the inserting plate 35 and the annular groove 361, and the weight outside the first rotating shaft 22 is shared on the supporting seat 11, so that the acting force applied to the first rotating shaft 22 is reduced, the running stability of the three-axis turntable is improved, and the testing precision of a testing device is higher; in addition, a plurality of balls 37 are embedded in each side wall of the inserting plate 35 close to the ring groove 361, so that the friction effect between the inserting plate 35 and the ring groove 361 is reduced, the inserting plate 35 can rotate relative to the ring frame 36 more easily, and the rotating efficiency is improved.

Referring to fig. 1 and 2, the mounting rod 34 includes a first vertical rod 342 fixed to the mounting block 32 and a second vertical rod 343 disposed at a bottom end of the first vertical rod 342, and a socket 341 is disposed on the second vertical rod 343, so as to facilitate an experimenter to maintain the board 35 and the balls 37 on the board 35, a rotating assembly 4 is disposed between the first vertical rod 342 and the second vertical rod 343 for horizontally rotating the second vertical rod 343; the rotating component 4 comprises a disc-shaped first rotating disc 41 fixed on the upper surface of the second vertical bar 343, the axis of the first rotating disc 41 is arranged in line with the center line of the second vertical bar 343, a second rotating disc 42 is coaxially fixed on the upper surface of the first rotating disc 41 and the first rotating disc 41, the diameter of the second rotating disc 42 is larger than that of the first rotating disc 41, the lower surface of the first vertical bar 342 is provided with a stepped ring groove 3421 for the first rotating disc 41 and the second rotating disc 42 to clamp and rotate around the axis of the first rotating disc 41, a first ear plate 43 for horizontal disposal is fixed on the side of the first vertical bar 342 departing from the ring frame 36 near the second vertical bar 343, a second ear plate 44 matched with the first ear plate 43 is fixed on the side of the second vertical bar 343 departing from the ring frame 36 near the first vertical bar 342, an insert rod 45 is commonly penetrated through the first ear plate 43 and the second ear plate 44, and an end plate 46 is coaxially fixed on the top end of the insert rod 45, an extension spring 47 is sleeved on the insertion rod 45 between the end plate 46 and the first ear plate 43, and two ends of the extension spring 47 are respectively fixed with the end plate 46 and the first ear plate 43, so that the insertion rod 45 is stably inserted on the first ear plate 43 and the second ear plate 44.

When the inserting plate 35 or the balls 37 on the inserting plate 35 need to be maintained, a worker only needs to pull the end plate 46 upwards to overcome the elastic force of the extension spring 47 to separate the inserting rod 45 from the second lug plate 44, then the worker rotates the second vertical rod 343 around the first rotating disc 41 until the inserting plate 35 is separated from the annular groove 361, and then the worker can pull the inserting plate 35 out of the inserting hole 341, so that the inserting plate 35 and the balls 37 on the inserting plate 35 can be maintained easily.

Referring to fig. 1, in addition, an auxiliary supporting assembly 5 for enhancing the supporting effect of the bottom plate 1 and the ground is further disposed on the bottom plate 1, four rectangular sliding grooves 12 are disposed on the outer side wall of the bottom plate 1 toward the center direction of the bottom plate 1, the sliding grooves 12 are communicated with one side of the bottom plate 1 away from the supporting seat 11, the auxiliary supporting assembly 5 includes a supporting plate 51 disposed in each sliding groove 12, the lower surface of the supporting plate 51 is attached to the ground, a position limiting strip 52 is fixed on each vertical side wall of the supporting plate 51 opposite to the two sides of the supporting plate 51 and the sliding grooves 12, the position limiting strip 52 is disposed along the length direction of the supporting plate 51, a position limiting groove 13 for the position limiting strip 52 to be clamped is disposed at the position of the sliding groove 12 corresponding to the position limiting strip 52, the position limiting groove 13 is communicated with the outer circumferential surface of the bottom plate 1, a butterfly bolt 53 is disposed at the position of the upper surface of the bottom plate 1 near the edge of the bottom plate 1 corresponding to each sliding groove 12, the end of the wing bolt 53 penetrates into the slide groove 12 and abuts against the upper surface of the support plate 51.

When the three-axis turntable is operated, an experimenter can unscrew the butterfly bolt 53, then pulls the support plate 51 in a direction away from the center of the bottom plate 1 until the support plate 51 is supported on the ground outside the bottom plate 1 for the most part, then a worker tightens the butterfly bolt 53 again to enable the end part of the butterfly bolt 53 to be tightly propped against the upper surface of the support plate 51 to limit the relative sliding between the support plate 51 and the chute 12, and the support range of the whole bottom plate 1 and the ground is increased by erecting the support plate 51 on the ground outside the bottom plate 1, so that the overall operation stability of the three-axis turntable is improved.

The implementation principle of the three-axis turntable with the self-stabilizing function in the embodiment of the application is as follows: when the rotating outer frame 21 and the first rotating shaft 22 move around the axis of the supporting seat 11 under the driving of the first motor, the mounting rod 34 supports and rotates through the mutual clamping of the inserting plate 35 and the annular groove 361, and shares the external weight of the first rotating shaft 22 onto the supporting seat 11, so that the acting force applied to the first rotating shaft 22 is reduced, the stability of the operation of the three-axis turntable is improved, and the testing precision of a testing device is higher.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a triaxial revolving stage with self stabilization function which characterized in that: the supporting device comprises a bottom plate (1), wherein a cylindrical supporting seat (11) is fixed on the bottom plate (1), a rotary outer frame (21) capable of horizontally rotating is arranged on the supporting seat (11), and a rotary supporting mechanism (3) used for enhancing the rotation stability of the rotary outer frame (21) relative to the supporting seat (11) is arranged between the rotary outer frame (21) and the supporting seat (11).

2. The three-axis turret with self-stabilizing capability of claim 1, wherein: rotatory supporting mechanism (3) include mount pad (31) with supporting seat (11) coaxial setting, mount pad (31) upper surface pastes each other with rotatory outrigger (21) lower surface and establishes and fix, mount pad (31) lower surface has installed a plurality of vertical layout's installation pole (34), correspond on the support column and establish and be fixed with ring frame (36) with the coaxial cover of installation pole (34) bottom department, a jack (341) have been seted up towards ring frame (36) department in installation pole (34), jack (341) interpolation is equipped with picture peg (35), set up on the outer peripheral face of ring frame (36) one end card of keeping away from installation pole (34) of a confession picture peg (35) and establish and wind ring frame (36) axis pivoted annular (361) around.

3. The three-axis turret with self-stabilizing capability of claim 2, wherein: the mounting rod (34) comprises a first vertical rod (342) connected with the mounting base (31) and a second vertical rod (343) arranged at the bottom end of the first vertical rod (342), the jack (341) is arranged on one side, facing the ring frame (36), of the second vertical rod (343), and a rotating assembly (4) used for horizontally rotating and fixing the second vertical rod (343) is arranged between the first vertical rod (342) and the second vertical rod (343).

4. The three-axis turret with self-stabilizing capability of claim 3, wherein: the rotating assembly (4) comprises a first rotating disc (41) fixed on the upper surface of a second vertical bar (343), a second rotating disc (42) is coaxially fixed on the upper surface of the first rotating disc (41) and the first rotating disc (41), the diameter of the second rotating disc (42) is larger than that of the first rotating disc (41), a ladder ring groove (3421) for clamping and rotating the first rotating disc (41) and the second rotating disc (42) is formed in the lower surface of the first vertical bar (342), a first ear plate (43) is fixed at one side of the first vertical bar (342) departing from the ring frame (36) and close to the second vertical bar (343), a second ear plate (44) is fixed at one side of the second vertical bar (343) departing from the ring frame (36) and close to the first vertical bar (342), and a bolt penetrates through the first ear plate (43) and the second ear plate (44) together.

5. The three-axis table with self-stabilization function of claim 4, wherein: the bolt is including inserted bar (45) of passing first otic placode (43) and second otic placode (44) and fix end plate (46) on inserted bar (45) top, and end plate (46) are located the top of first otic placode (43), and the cover is equipped with an extension spring (47) on inserted bar (45) between end plate (46) and first otic placode (43), and the both ends of extension spring (47) are fixed with end plate (46) and first otic placode (43) respectively.

6. The three-axis turret with self-stabilizing capability of claim 2, wherein: the side wall of the inserting plate (35) close to the annular groove (361) is embedded with a plurality of balls (37), and one side of each ball (37) departing from the inserting plate (35) is attached to the side wall of the annular groove (361).

7. The three-axis turret with self-stabilizing capability of claim 1, wherein: the utility model discloses a spacing groove (51) that sets up a plurality of rectangles, spout (12) to the central direction of bottom plate (1) on the lateral wall of bottom plate (1), spout (12) communicate with the lower surface of bottom plate (1) each other, a spacing groove (13) have respectively been seted up along the length direction of spout (12) on two relative vertical lateral walls of spout (12), spacing groove (13) communicate with the lateral wall of bottom plate (1) each other, spout (12) internal slipping is connected with backup pad (51) that flushes with bottom plate (1) lower surface, the length direction of two spacing grooves (13) departments of correspondence of backup pad (51) respectively are fixed with one and spacing groove (13) cooperation use spacing strip (52).

8. The three-axis turret with self-stabilizing capability of claim 7, wherein: a butterfly bolt (53) is arranged at the position, corresponding to the sliding groove (12), of the upper surface of the bottom plate (1), the butterfly bolt (53) is close to one end, away from the center of the bottom plate (1), of the sliding groove (12), and the end portion of the butterfly bolt (53) penetrates into the sliding groove (12) and is abutted to the upper surface of the supporting plate (51).