CN218327114U

CN218327114U - Three-axis air bearing table pin lock

Info

Publication number: CN218327114U
Application number: CN202222463288.9U
Authority: CN
Inventors: 赵多光; 王全
Original assignee: Dandong Shanhe Technology Co ltd
Current assignee: Dandong Shanhe Technology Co ltd
Priority date: 2022-09-18
Filing date: 2022-09-18
Publication date: 2023-01-17
Anticipated expiration: 2032-09-18

Abstract

The utility model discloses a triaxial air supporting platform round pin lock belongs to spacecraft ground test equipment technical field, inhale seat and lockhole subassembly including magnetic force, the top fixed mounting that the seat was inhaled to magnetic force has electric putter, electric putter's top is provided with front and back adjustment mechanism, be provided with the traveling sleeve on the front and back adjustment mechanism, traveling sleeve's tip fixed mounting has the second motor, the output shaft of second motor extends to traveling sleeve's inner chamber and fixedly connected with threaded rod. The utility model discloses in, use through the cooperation of mount pad, laser lamp, plano mirror, alignment mark point, start the laser lamp and send the laser beam, make the laser beam that the laser lamp sent shine on the alignment mark point at plano mirror middle part when finding the position between bolt and the lockhole, the inner chamber of lockhole is aimed at promptly to the tip of bolt this moment, has realized carrying out the function of finding the accuracy to the position between bolt and the lockhole, has improved the convenience of this triaxial air supporting platform round pin lock.

Description

Three-axis air bearing table pin lock

Technical Field

The utility model relates to a spacecraft ground test equipment technical field, more specifically say, relate to a triaxial air bearing table round pin lock.

Background

The triaxial air bearing platform is ground simulation equipment used for a satellite attitude control system as a test, and can support and float a heavy object under the condition of extremely small friction torque because of the air bearing, so as to simulate the weightlessness and low friction state of a space. In order to realize three-degree-of-freedom motion of a satellite in space, a bearing is spherical, a three-axis air bearing table is the most effective ground simulation equipment for providing a posture control system for testing at present, a balance adjusting mechanism adopted can replace a conventional scheme, the balance adjusting mechanism can improve the balance adjusting precision and the process performance of a table body, a simple, feasible and valuable technical approach is provided for solving the balance adjusting of the air bearing table in the future so as to enable the air bearing table to achieve three-axis stability, in order to ensure the effectiveness of a ground test, the interference moment of the air bearing table needs to meet index requirements, and when the center of mass and the center of sphere of the three-axis air bearing table are not coincident, the interference moment is generated, so that the three-axis air bearing table needs to adjust the center of mass of three axes to the center of sphere before use, in order to reduce the debugging difficulty, two horizontal axes need to be decoupled, and at the moment, a pin locking mechanism needs to be researched and can respectively pin the two horizontal axes.

Through retrieval, the utility model patent with the publication number of CN214540567U discloses a three-axis air bearing table pin locking mechanism, which comprises a lock hole assembly, a lock needle assembly and a three-way adjusting structure, wherein one side above the three-way adjusting structure is detachably connected with the lock needle assembly, the lock needle of the lock needle assembly can be automatically aligned with the lock hole of the lock hole assembly, the lock hole assembly is fixedly connected to the main inertia shaft position of the three-axis air bearing table, and the center of the lock hole is aligned with the spherical center of the three-axis air bearing table; the pin lock mechanism of the three-axis air bearing table adopts a needle sleeve, a guide sleeve, a buckle unit, a pressing shaft and the like to form an outer telescopic assembly, and the outer telescopic assembly and a shell form a sliding pair, so that locking and unlocking are realized; an inner telescopic sliding pair is formed by the lock needle, the needle sleeve and the guide sleeve, and the lock hole and the lock needle are matched with an inverted conical surface, so that self-alignment is realized. However, the above patents have the following disadvantages: the structure is comparatively complicated, has brought the degree of difficulty for operation and production, and it is convenient inadequately to find when accurate in addition, has provided a triaxial air bearing table round pin lock for this reason.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a triaxial air bearing table round pin lock.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a triaxial air supporting platform round pin lock, includes that magnetic force inhales seat and lockhole subassembly, the top fixed mounting that magnetic force inhaled the seat has electric putter, electric putter's top is provided with front and back adjustment mechanism, be provided with the removal sleeve on the front and back adjustment mechanism, the telescopic tip fixed mounting of removal has the second motor, the output shaft of second motor extends to removal telescopic inner chamber and fixedly connected with threaded rod, it has the extension post to remove telescopic inner chamber sliding connection, the one end screw of threaded rod cup joints to the inner chamber that extends the post, the one end that extends the post extends to removal telescopic outside and fixedly connected with bolt, remove telescopic other end fixedly connected with mount pad, the side fixed mounting of mount pad has a plurality of laser lamps, the one end of lockhole subassembly is provided with a plurality of plano mirrors, the middle part of plano mirror is provided with the alignment mark point.

As a preferred scheme of the utility model, front and back adjustment mechanism includes the removal case of fixed connection on electric putter top, the inner chamber of removal case rotates and is connected with the lead screw, the fixed sliding rod that has cup jointed in the inner chamber of removal case, the outside screw thread of lead screw has cup jointed and has removed the seat, it cup joints with the slide bar activity to remove the seat, it is connected with the top surface that removes the seat to remove telescopic bottom surface, the tip fixed mounting of removal case has first motor, the output shaft of first motor is connected with the one end of lead screw.

As a preferred scheme of the utility model, square slot has been seted up to the one end of lockhole subassembly, the lockhole has been seted up at the middle part of square slot inner chamber, the blind hole has been seted up to the other end of lockhole subassembly, the one end of extension post extends to the inner chamber of square slot, the one end of bolt extends to the inner chamber of lockhole.

As a preferred scheme of the utility model, the both sides difference fixedly connected with elasticity protection cloth of removing the seat, the one end of elasticity protection cloth is connected with the inner wall that removes the case.

As an optimal scheme of the utility model, the side of extending post one end is laminated with the inner wall of square slot mutually.

As an optimized proposal of the utility model, the side of the bolt is attached to the inner wall of the lock hole.

Compared with the prior art, the utility model has the advantages of:

(1) The utility model discloses in, the cooperation through electric putter, front and back adjustment mechanism uses the height and the front and back position of bolt to adjust, and it is rotatory to utilize the second motor to drive the threaded rod, drives the inner chamber that the bolt injects the lockhole through the cooperation between threaded rod and the extension post and accomplishes the locking location, simple structure, the simple operation, the practicality is good.

(2) The utility model discloses in, use through the cooperation of mount pad, laser lamp, plano mirror, alignment mark point, start the laser lamp and send the laser beam, make the laser beam that the laser lamp sent shine on the alignment mark point at plano mirror middle part when finding the position between bolt and lockhole, the inner chamber of lockhole is aimed at promptly to the tip of bolt this moment, has realized carrying out the function of finding the accuracy to the position between bolt and the lockhole, has improved the use convenience.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the movable box of the present invention;

FIG. 3 is a schematic view of the interior of the traveling sleeve of the present invention;

fig. 4 is a schematic structural diagram of the lock hole assembly of the present invention.

The numbering in the figures illustrates:

1. a magnetic suction base; 2. a lock hole assembly; 3. an electric push rod; 4. a front-rear adjusting mechanism; 5. moving the sleeve; 6. a second motor; 7. a threaded rod; 8. extending the column; 9. a mounting seat; 10. a laser light; 11. a bolt; 12. a movable seat; 13. a mobile box; 14. a slide bar; 15. a screw rod; 16. a first motor; 17. an elastic protective cloth; 18. blind holes; 19. a square slot; 20. a lock hole; 21. a flat mirror; 22. and positioning the mark points.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a three-axis air bearing table pin lock includes a magnetic suction seat 1 and a lock hole assembly 2, an electric push rod 3 is fixedly installed at the top of the magnetic suction seat 1, a front and rear adjusting mechanism 4 is arranged at the top end of the electric push rod 3, a movable sleeve 5 is arranged on the front and rear adjusting mechanism 4, a second motor 6 is fixedly installed at the end of the movable sleeve 5, an output shaft of the second motor 6 extends to an inner cavity of the movable sleeve 5 and is fixedly connected with a threaded rod 7, an inner cavity of the movable sleeve 5 is slidably connected with an extending column 8, one end of the threaded rod 7 is sleeved to the inner cavity of the extending column 8, one end of the extending column 8 extends to the outside of the movable sleeve 5 and is fixedly connected with a bolt 11, the other end of the movable sleeve 5 is fixedly connected with a mounting seat 9, a plurality of laser lamps 10 are fixedly installed on the side surface of the mounting seat 9, one end of the lock hole assembly 2 is provided with a plurality of planoscopes 21, and a positioning mark point 22 is arranged in the middle of the planoscopes 21.

In this embodiment, adjustment mechanism 4 around driving through electric putter 3, remove sleeve 5 and bolt 11 and reciprocate, through the back and forth movement of adjustment mechanism 4 drive bolt 11 back-and-forth movement, utilize threaded rod 7 and extend about the cooperation drive bolt 11 between the post 8, thereby adjust bolt 11 to the position of bolt 11, and then adjust bolt 11 and lockhole 20 alignment collineation and arrange, so that insert bolt 11 into the inner chamber of lockhole 20, position and distance between a plurality of plano mirror 21 and the position and the distance between a plurality of laser lamp 10 equal in addition.

Specifically, referring to fig. 1 and 2, the front-back adjusting mechanism 4 includes a moving box 13 fixedly connected to the top end of the electric push rod 3, an inner cavity of the moving box 13 is rotatably connected with a screw rod 15, an inner cavity of the moving box 13 is fixedly sleeved with a slide rod 14, an outer side thread of the screw rod 15 is sleeved with a moving seat 12, the moving seat 12 is movably sleeved with the slide rod 14, the bottom surface of the moving sleeve 5 is connected with the top surface of the moving seat 12, the end portion of the moving box 13 is fixedly provided with a first motor 16, and an output shaft of the first motor 16 is connected with one end of the screw rod 15.

In this embodiment, the movable base 12 is limited by the sliding connection between the movable base 12 and the sliding rod 14, so that the movable base 12 can only move along the axial direction of the screw rod 15.

Specifically, referring to fig. 1, 3 and 4, one end of the locking hole assembly 2 is provided with a square slot 19, the middle of the inner cavity of the square slot 19 is provided with a locking hole 20, the other end of the locking hole assembly 2 is provided with a blind hole 18, one end of the extending column 8 extends to the inner cavity of the square slot 19, and one end of the bolt 11 extends to the inner cavity of the locking hole 20.

In this embodiment, the inner cavity of the blind hole 18 is used for mounting equipment of a triaxial air bearing table.

Specifically, referring to fig. 1 and 2, two sides of the movable seat 12 are respectively and fixedly connected with an elastic protection cloth 17, and one end of the elastic protection cloth 17 is connected with the inner wall of the movable box 13.

In this embodiment, the elastic protective cloth 17 shields the screw rod 15 in the inner cavity of the movable box 13, so as to prevent dust from falling on the screw rod 15 to affect transmission between the movable seat 12 and the screw rod 15.

Specifically, referring to fig. 3 and 4, the side surface of one end of the extending column 8 is attached to the inner wall of the square slot 19.

In this embodiment, the stability of inserting the extension column 8 into the inner cavity of the square slot 19 is ensured by the cooperation between the extension column 8 and the square slot 19.

Specifically, referring to fig. 3 and 4, the side surface of the latch 11 is attached to the inner wall of the lock hole 20.

In this embodiment, the stability of inserting the bolt 11 into the cavity of the lock hole 20 is ensured by the cooperation between the bolt 11 and the lock hole 20.

The working principle is as follows: during the use, at first, install lockhole subassembly 2 to the main inertia axis position of triaxial air supporting table, and lockhole 20 center aims at the centre of sphere of triaxial air supporting table, adsorb magnetic force suction base 1 simultaneously and fix subaerial, then start laser lamp 10 and send the laser beam, simultaneously start electric putter 3 and first motor 16 respectively, drive bolt 11 and laser lamp 10 through electric putter 3 and reciprocate, utilize first motor 16 to drive lead screw 15 rotatory, drive through the cooperation between lead screw 15 and the removal seat 12 and remove along the axial of lead screw 15, make the laser beam that laser lamp 10 sent just shine on the location mark point 22 in the middle part of plano-scope 21, the tip of bolt 11 just aims at lockhole 20 this moment, it is rotatory to start second motor 6 at last, drive threaded rod 7 through the cooperation between threaded rod 7 and the extension post 8 and extend the outside removal of post 8 to removal sleeve 5, make bolt 11 stretch into the inner chamber of lockhole 20, the tip of extension post 8 stretches into the inner chamber of square slot 19 and accomplishes the location simultaneously, can.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a triaxial air supporting platform round pin lock, includes that magnetic force inhales seat (1) and lockhole subassembly (2), its characterized in that: the utility model discloses a lock hole subassembly, including seat (1), magnetic force inhale the top fixed mounting of seat (1) have electric putter (3), adjustment mechanism (4) around the top of electric putter (3) is provided with, be provided with movable sleeve (5) on front and back adjustment mechanism (4), the tip fixed mounting of movable sleeve (5) has second motor (6), the output shaft of second motor (6) extends to the inner chamber and the fixedly connected with threaded rod (7) of movable sleeve (5), the inner chamber sliding connection of movable sleeve (5) has extension post (8), the one end screw thread of threaded rod (7) cup joints to the inner chamber that extends post (8), the one end that extends post (8) extends to the outside and the fixedly connected with bolt (11) of movable sleeve (5), the other end fixedly connected with mount pad (9) of movable sleeve (5), the side fixed mounting of mount pad (9) has a plurality of laser lamp (10), the one end of lockhole subassembly (2) is provided with a plurality of planoscopes (21), the middle part of planoscopy mirror (21) is provided with location mark point (22).

2. The three-axis air bearing table pin lock of claim 1, wherein: front and back adjustment mechanism (4) are including moving case (13) of fixed connection on electric putter (3) top, the inner chamber of moving case (13) rotates and is connected with lead screw (15), the inner chamber of moving case (13) is fixed to have cup jointed slide bar (14), the outside screw thread of lead screw (15) has cup jointed and has moved seat (12), it cup joints with slide bar (14) activity to move seat (12), the bottom surface that moves sleeve (5) is connected with the top surface that moves seat (12), the tip fixed mounting that moves case (13) has first motor (16), the output shaft of first motor (16) is connected with the one end of lead screw (15).

3. The three-axis air bearing table pin lock of claim 1, wherein: square slot (19) have been seted up to the one end of lockhole subassembly (2), lockhole (20) have been seted up at the middle part of square slot (19) inner chamber, blind hole (18) have been seted up to the other end of lockhole subassembly (2), the one end of extension post (8) extends to the inner chamber of square slot (19), the one end of bolt (11) extends to the inner chamber of lockhole (20).

4. The three-axis air bearing table pin lock of claim 2, wherein: the two sides of the movable seat (12) are respectively fixedly connected with elastic protective cloth (17), and one end of the elastic protective cloth (17) is connected with the inner wall of the movable box (13).

5. The three-axis air bearing table pin lock of claim 3, wherein: the side surface of one end of the extension column (8) is attached to the inner wall of the square slot (19).

6. The three-axis air bearing table pin lock of claim 3, wherein: the side surface of the bolt (11) is attached to the inner wall of the lock hole (20).