CN110033821B

CN110033821B - Leveling mechanism for vehicle-mounted automatic leveling device

Info

Publication number: CN110033821B
Application number: CN201910300347.0A
Authority: CN
Inventors: 李海峰; 温传义; 龙登坛; 何云峰; 张惠; 李兰春
Original assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Current assignee: Hubei Sanjiang Aerospace Wanfeng Technology Development Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2021-03-09
Anticipated expiration: 2039-04-15
Also published as: CN110033821A

Abstract

The invention discloses a leveling mechanism for a vehicle-mounted automatic leveling device, which comprises an outer frame, a middle frame and an inner frame, wherein the top surface of the inner frame is an instrument mounting surface for mounting a precision instrument, two sides of the inner frame are respectively and rotatably mounted in the middle frame through inner frame rotating shafts, two sides of the middle frame are respectively and rotatably mounted in the outer frame through middle frame rotating shafts, the rotating direction of the inner frame is perpendicular to the rotating direction of the middle frame, a middle frame leveling component for adjusting the levelness of the middle frame is arranged between the outer frame and the middle frame, and an inner frame leveling component for adjusting the levelness of the inner frame is arranged between the middle frame and the inner frame. The device is suitable for vehicle-mounted automatic leveling devices.

Description

Leveling mechanism for vehicle-mounted automatic leveling device

Technical Field

The invention relates to the field of machinery, in particular to a leveling mechanism for a vehicle-mounted automatic leveling device.

Background

At present, many precision instruments are required to be used on a leveled horizontal workbench, and the horizontal workbench is divided into a manual leveling mode and an automatic leveling mode, wherein the automatic leveling mode generally adopts the mode that the precision instruments are fixed on an automatic leveling mechanism, automatic leveling control is carried out through the leveling mechanism, and the automatic leveling mechanism comprises a fixed mode, a movable mode and a vehicle-mounted mode.

The existing large-scale vehicle-mounted automatic leveling mechanism, such as a vehicle-mounted platform, an engineering truck, a communication truck and the like, mostly adopts a multi-point support principle, realizes the automatic leveling of the platform or the vehicle by adjusting each hydraulic support leg, has low leveling precision and long leveling time, needs to solve the problems of synchronization and balance in multi-point support, and has a complex control mode.

The main technical requirements of small and medium-sized precision instruments which are installed in a vehicle and need to be used in a leveling state are as follows: the vehicle-mounted rigid leveling device is required to be reliably fixed in a vehicle, is in a damping transportation state during vehicle-mounted transportation, and is in a rigid leveling state during work. According to the working requirement, the structural form of a large-scale vehicle-mounted automatic leveling mechanism cannot be adopted for installation and fixation, and the existing common structure is a split type structure, namely, an instrument is firstly placed on a packing box or fixed on a shock absorber and then placed on a manual or automatic leveling mechanism for use, so that the operation and the use are very inconvenient and low in efficiency.

Therefore, there is a need to develop an automatic leveling device for vehicle, which solves the above problems, and the leveling mechanism is one of the important components of the automatic leveling device for vehicle.

Disclosure of Invention

The invention aims to overcome the defects of the background technology and provide a leveling mechanism for a vehicle-mounted automatic leveling device.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a leveling mechanism for on-vehicle automatic leveling device, includes frame, center and inside casing, the instrument installation face of the top surface of inside casing for being used for installing precision instrument, the both sides of inside casing are rotationally installed through an inside casing pivot respectively in the center, the both sides of center are rotationally installed through a center pivot respectively in the frame, the direction of rotation of inside casing with the direction of rotation of center arranges perpendicularly, the frame with be equipped with between the center and be used for the adjustment the center leveling subassembly of center levelness, the center with be equipped with between the inside casing and be used for the adjustment the inside casing leveling subassembly of inside casing levelness.

The inner frame and the middle frame are designed into rotatable structures, the rotating direction of the inner frame is designed to be perpendicular to the rotating direction of the middle frame, the middle frame leveling component is additionally arranged between the outer frame and the middle frame, and the inner frame leveling component is additionally arranged between the middle frame and the inner frame, so that the leveling of the inner frame can be realized by matching and adjusting the middle frame leveling component and the inner frame leveling component, and the purpose of leveling a precision instrument is further achieved.

In the above solution, the middle frame leveling assembly includes a pivot pin seat, a middle frame leveling seat, a middle frame worm shaft, a middle frame leveling motor and a middle frame leveling gear, the cross section of the pivot pin seat is of a U-shaped structure, the pivot pin seat is mounted on the outer frame at a position corresponding to the middle frame, and an opening of the U-shaped structure of the pivot pin seat faces the middle frame, the middle frame leveling seat is of a cylindrical structure, the lower end of the middle frame leveling seat is rotatably mounted at a corresponding position in the pivot pin seat, the rotation direction of the middle frame leveling seat faces the opening of the U-shaped structure of the pivot pin seat, and the rotation direction of the middle frame leveling seat is consistent with the rotation direction of the middle frame, the middle frame worm shaft is rotatably mounted in the worm middle frame leveling seat along the axis of the middle frame leveling seat, an opening capable of exposing teeth in the middle of the middle frame shaft is provided on the side wall of the middle frame leveling seat facing the middle frame, center leveling motor fall the dress just on the bottom surface of center leveling seat center leveling motor's output with center worm axle links to each other, center leveling gear installs correspond on the center worm axle's position just center leveling gear with the tooth engagement at center worm axle middle part, correspond on the swizzle seat center leveling seat upper end the position be equipped with be used for with center leveling seat presses to center leveling gear's center elastic compression spare.

The middle frame leveling gear is driven to rotate by the autorotation of the middle frame worm shaft, so that the middle frame is driven to rotate, and the levelness of the middle frame can be adjusted; meanwhile, the lower end of the middle frame leveling seat is designed into a rotatable movable structure, and the upper end of the middle frame leveling seat is elastically pressed to the middle frame leveling gear by the middle frame elastic pressing piece, so that a gapless meshing state can be kept between the middle teeth of the middle frame worm shaft and the middle frame leveling gear all the time, the middle frame worm shaft and the middle frame leveling gear can be effectively prevented from being clamped, the smooth transition and the stability of the rotation of the middle frame leveling gear are improved, and the smooth transition and the stability of the levelness adjustment of the middle frame are further improved.

In the scheme, two sides of the lower end of the middle frame leveling seat are rotatably arranged at corresponding positions on the inner wall of the rotating pin seat through a middle frame rotating pin respectively. The middle frame leveling seat is installed through the middle frame rotating pin, so that later maintenance is facilitated.

In the above scheme, the center frame worm shaft and the center frame leveling motor are coaxially arranged. The middle frame worm shaft and the middle frame leveling motor are coaxially arranged, so that the leveling stability of the leveling assembly is further improved.

In the above scheme, the middle frame elastic pressing piece is a middle frame spring pin, the middle frame spring pin comprises a middle frame shell which is transversely and fixedly installed on the side wall of the upper end of the rotating pin seat, a middle frame pressing pin of a T-shaped structure is installed in the middle frame shell in a sliding mode, one end of the middle frame pressing pin is pressed on the outer wall of the middle frame leveling seat, a middle frame pressing spring is sleeved at the other end of the middle frame pressing pin, one end of the middle frame pressing spring abuts against a T-shaped step of the middle frame pressing pin of the T-shaped structure, and the other end of the middle frame pressing spring abuts against the inner wall of the middle frame shell. The middle frame elastic pressing piece is a finished piece of the spring pin, so that the manufacturing cost is reduced.

In the above scheme, the middle frame pressing pin sleeve is provided with one end of the middle frame pressing spring which penetrates through the middle frame shell and extends outwards to form a middle frame pull ring. The added middle frame pull ring facilitates later maintenance.

In the above scheme, two ends of the middle frame worm shaft are respectively mounted in the middle frame leveling seat in a rotatable manner through a middle frame deep groove ball bearing. The additional middle frame deep groove ball bearing can play a role in radially limiting the middle frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved.

In the scheme, a middle frame end face bearing is further arranged between the lower end of the middle frame worm shaft and the middle frame leveling seat, and the middle frame end face bearing is isolated from a middle frame deep groove ball bearing at the lower end of the middle frame worm shaft through a middle frame spacer bush. The additional middle frame end face bearing can play an axial limiting role in the middle frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved.

In the above scheme, the top surface of the middle frame leveling seat is provided with a middle frame bearing upper end cover. The upper end cover of the middle frame bearing additionally arranged can fix the bearing on one hand and also can play a role in dust prevention on the other hand.

In the scheme, the bottom surface of the middle frame leveling seat is provided with a middle frame bearing lower end cover with an inward sinking structure. The lower end cover of the middle frame bearing additionally arranged can fix the bearing on one hand and can also play a role in dust prevention on the other hand.

In the above scheme, the width D of the middle frame leveling seat along the direction perpendicular to the rotation direction is matched with the distance between the two corresponding inner walls of the rotating pin seat. The width D of the middle frame leveling seat in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat, so that the middle frame leveling seat can be prevented from moving in the leveling process to affect the leveling, and the stability and the reliability of the leveling are ensured.

In the above scheme, the outer frame is provided with a dodging hole corresponding to the position of the middle frame leveling motor.

In the scheme, the inner frame leveling component comprises an inner frame leveling seat, an inner frame worm shaft, an inner frame leveling motor and an inner frame leveling gear, the inner surface of the inner frame is provided with a U-shaped groove used for installing the inner frame leveling seat, the opening of the U-shaped groove faces towards the inner frame, the inner frame leveling seat is of a cylindrical structure, the lower end of the inner frame leveling seat is rotatably installed at a position corresponding to the U-shaped groove, the rotating direction of the inner frame leveling seat faces towards the opening of the U-shaped groove, the rotating direction of the inner frame leveling seat is consistent with the rotating direction of the inner frame, the inner frame worm shaft is installed in the inner frame leveling seat in a self-rotating mode along the axis of the inner frame leveling seat, the inner frame leveling seat faces towards the opening formed in the side wall of the inner frame and capable of allowing the teeth at the middle part of the inner frame worm shaft to be exposed, the inner frame leveling motor is reversely installed on the bottom surface of the inner frame leveling seat, the The inner frame leveling gear is installed on the inner frame and corresponds to the position of the inner frame worm shaft, the inner frame leveling gear is meshed with teeth in the middle of the inner frame worm shaft, and a position, corresponding to the upper end of the inner frame leveling seat, on the middle frame is provided with an inner frame elastic pressing piece used for pressing the inner frame leveling seat to the inner frame leveling gear.

The inner frame leveling gear is driven to rotate by the autorotation of the inner frame worm shaft, so that the inner frame is driven to rotate, and the levelness of the inner frame can be adjusted; meanwhile, the lower end of the inner frame leveling seat is designed into a rotatable movable structure, and the upper end of the inner frame leveling seat is elastically pressed to the inner frame leveling gear by the inner frame elastic pressing piece, so that the teeth in the middle of the inner frame worm shaft and the inner frame leveling gear can be always kept in a gapless meshing state, the inner frame worm shaft and the inner frame leveling gear can be effectively prevented from being clamped, the rotating smooth transition and the rotating stability of the inner frame leveling gear are improved, and the smooth transition and the rotating stability of the inner frame leveling gear are further improved.

In the scheme, two sides of the lower end of the inner frame leveling seat are rotatably arranged at corresponding positions in the U-shaped groove through an inner frame rotating pin respectively. The inner frame leveling seat is installed through the inner frame rotating pin, so that later maintenance is facilitated.

In the above scheme, the inner frame worm shaft and the inner frame leveling motor are coaxially arranged. The inner frame worm shaft and the inner frame leveling motor are coaxially arranged, so that the leveling stability of the leveling assembly is further improved.

In the above scheme, the inner frame elastic pressing piece is an inner frame spring pin, the inner frame spring pin comprises an inner frame outer shell transversely and fixedly mounted on the side wall of the upper end of the middle frame, an inner frame pressing pin of a T-shaped structure is slidably mounted in the inner frame outer shell, one end of the inner frame pressing pin is pressed on the outer wall of the inner frame leveling seat, an inner frame pressing spring is sleeved at the other end of the inner frame pressing pin, one end of the inner frame pressing spring abuts against a T-shaped step of the inner frame pressing pin of the T-shaped structure, and the other end of the inner frame pressing spring abuts against the inner wall of the inner frame outer shell. The inner frame elastic pressing piece is a finished piece of the spring pin, so that the manufacturing cost is reduced.

In the above scheme, one end of the inner frame pressing pin sleeved with the inner frame pressing spring penetrates through the inner frame outer shell and extends outwards to form an inner frame pull ring. The inner frame pull ring is added, so that later maintenance is facilitated.

In the scheme, two ends of the inner frame worm shaft are respectively arranged in the inner frame leveling seat in a self-rotating manner through an inner frame deep groove ball bearing. The added inner frame deep groove ball bearing can play a role in radially limiting the inner frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved.

In the scheme, an inner frame end face bearing is further arranged between the lower end of the inner frame worm shaft and the inner frame leveling seat, and the inner frame end face bearing is isolated from an inner frame deep groove ball bearing at the lower end of the inner frame worm shaft through an inner frame spacer bush. The additional inner frame end face bearing can play an axial limiting role in the inner frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved.

In the above scheme, an inner frame bearing upper end cover is installed on the top surface of the inner frame leveling seat. The upper end cover of the inner frame bearing additionally arranged can fix the bearing on one hand and also can play a dustproof role on the other hand.

In the scheme, the bottom surface of the inner frame leveling seat is provided with an inner frame bearing lower end cover with an inner sinking structure. The lower end cover of the inner frame bearing additionally arranged can fix the bearing on one hand and also can play a dustproof role on the other hand.

In the scheme, the width D1 of the inner frame leveling seat along the direction perpendicular to the rotating direction is matched with the distance between the two corresponding inner walls of the U-shaped groove. The width D1 of the inner frame leveling seat along the direction vertical to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the U-shaped groove, so that the inner frame leveling seat can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured.

In the above scheme, the outer frame is provided with a dodging hole corresponding to the inner frame leveling motor.

In the scheme, an inner frame rotating pin mounting groove is formed in the inner wall of the U-shaped groove and corresponds to the inner frame rotating pin, an inner frame rotating pin mounting seat is inversely arranged in the inner frame rotating pin mounting groove, one end of the inner frame rotating pin is mounted in the inner frame rotating pin mounting seat, and the other end of the inner frame rotating pin is mounted in the inner frame leveling seat. The inner frame rotating pin is designed to be installed in the inner frame leveling seat through the inner frame rotating pin installation seat, so that the installation and later maintenance are facilitated.

In the scheme, the bottom surface of the inner frame is provided with the gradienter, and the position of the outer frame, which corresponds to the gradienter, is provided with the avoiding hole. The level gauge is an electronic level gauge, the electronic level gauge is electrically connected with a controller, and the controller is respectively electrically connected with the middle frame leveling motor and the inner frame leveling motor. The added level meter facilitates the leveling of the leveling mechanism.

In the above scheme, the middle frame and the inner frame are both of a square frame structure, the middle frame and the inner frame are coaxially arranged, the inner frame is arranged in the middle frame, the outer frame is of a flat plate structure with side plates on two sides of the top surface, the two side walls of the inner frame are respectively rotatably installed on the two corresponding inner walls of the middle frame through the inner frame rotating shaft, and the two side walls of the middle frame are respectively rotatably installed on the two side plates of the outer frame through the middle frame rotating shaft. The middle frame and the inner frame are both designed into a square frame structure, and the middle frame and the inner frame are coaxially arranged and the inner frame is arranged in the middle frame, so that the leveling mechanism is more compact in structure.

The technical scheme provided by the invention has the beneficial effects that:

1. the inner frame and the middle frame are designed into rotatable structures, the rotating direction of the inner frame is designed to be perpendicular to the rotating direction of the middle frame, a middle frame leveling component is additionally arranged between the outer frame and the middle frame, and an inner frame leveling component is additionally arranged between the middle frame and the inner frame, so that the leveling of the inner frame can be realized by matching and adjusting the middle frame leveling component and the inner frame leveling component, and the purpose of leveling a precision instrument is further achieved;

2. the middle frame leveling gear is driven to rotate by the autorotation of the middle frame worm shaft, so that the middle frame is driven to rotate, and the levelness of the middle frame can be adjusted; meanwhile, the lower end of the middle frame leveling seat is designed into a rotatable movable structure, and the upper end of the middle frame leveling seat is elastically pressed to the middle frame leveling gear by the middle frame elastic pressing piece, so that a gapless meshing state can be always kept between the middle teeth of the middle frame worm shaft and the middle frame leveling gear, the middle frame worm shaft and the middle frame leveling gear can be effectively prevented from being clamped, the smooth transition and the stability of the rotation of the middle frame leveling gear are improved, and the smooth transition and the stability of the levelness adjustment of the middle frame are further improved;

3. the middle frame leveling seat is installed through the middle frame rotating pin, so that the later maintenance is facilitated;

4. the middle frame worm shaft and the middle frame leveling motor are coaxially arranged, so that the leveling stability of the leveling assembly during leveling is further improved;

5. the spring pin is adopted as the finished product of the middle frame elastic pressing piece, so that the manufacturing cost is reduced;

6. the added middle frame pull ring facilitates later maintenance;

7. the additionally arranged middle frame deep groove ball bearing can play a role in radially limiting the middle frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved;

8. the additionally arranged end face bearing of the middle frame can play an axial limiting role on the worm shaft of the middle frame, so that the leveling stability of the leveling component during leveling is further improved;

9. the upper end cover of the middle frame bearing additionally arranged can fix the bearing on one hand and can also play a role in dust prevention on the other hand;

10. the added lower end cover of the middle frame bearing can fix the bearing on one hand and can also play a role in dust prevention on the other hand;

11. the width D of the middle frame leveling seat in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat, so that the middle frame leveling seat can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured;

12. the inner frame leveling gear is driven to rotate by the autorotation of the inner frame worm shaft, so that the inner frame is driven to rotate, and the levelness of the inner frame can be adjusted; meanwhile, the lower end of the inner frame leveling seat is designed into a rotatable movable structure, and the upper end of the inner frame leveling seat is elastically pressed to the inner frame leveling gear by the inner frame elastic pressing piece, so that the teeth in the middle of the inner frame worm shaft and the inner frame leveling gear can be always kept in a gapless meshing state, the inner frame worm shaft and the inner frame leveling gear can be effectively prevented from being clamped, the smooth transition and the stability of the rotation of the inner frame leveling gear are improved, and the smooth transition and the stability of the levelness adjustment of the inner frame are further improved;

13. the inner frame leveling seat is installed through the inner frame rotating pin, so that the later maintenance is facilitated;

14. the inner frame worm shaft and the inner frame leveling motor are coaxially arranged, so that the leveling stability of the leveling assembly during leveling is further improved;

15. the spring pin is adopted as the finished product of the inner frame elastic pressing piece, so that the manufacturing cost is reduced;

16. the added inner frame pull ring facilitates later maintenance;

17. the additionally arranged inner frame deep groove ball bearing can play a role in radially limiting the inner frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved;

18. the additionally arranged inner frame end face bearing can play an axial limiting role in the inner frame worm shaft, so that the leveling stability of the leveling assembly during leveling is further improved;

19. the upper end cover of the added inner frame bearing can fix the bearing on one hand and can also play a role in dust prevention on the other hand;

20. the lower end cover of the added inner frame bearing can fix the bearing on one hand and can also play a role in dust prevention on the other hand;

21. the width D1 of the inner frame leveling seat along the direction vertical to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the U-shaped groove, so that the inner frame leveling seat can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured;

22. the inner frame rotating pin is designed to be installed in the inner frame leveling seat through the inner frame rotating pin installation seat, so that the installation and later maintenance are facilitated;

23. the level gauge is an electronic level gauge, the electronic level gauge is electrically connected with a controller, and the controller is respectively electrically connected with the middle frame leveling motor and the inner frame leveling motor. The added level meter facilitates the leveling of the leveling mechanism;

24. the middle frame and the inner frame are both designed into a square frame structure, and the middle frame and the inner frame are coaxially arranged and the inner frame is arranged in the middle frame, so that the leveling mechanism is more compact in structure.

Drawings

FIG. 1 is a schematic structural view of a leveling device;

FIG. 2 is a schematic cross-sectional view of the leveling device in a shock absorbing state;

FIG. 3 is a schematic sectional view of the leveling device in a leveling state;

FIG. 4 is a schematic structural view of a leveling mechanism;

FIG. 5 is a schematic view of the alternate view structure of FIG. 4;

FIG. 6 is an exploded view of the leveling mechanism;

FIG. 7 is a schematic view of the alternate view structure of FIG. 6;

FIG. 8 is a schematic view of the cross-sectional structure A-A of FIG. 4;

FIG. 9 is a schematic view of the cross-sectional structure B-B of FIG. 4;

FIG. 10 is a schematic view of the cross-sectional structure C-C of FIG. 4;

FIG. 11 is a schematic view of the cross-sectional structure of FIG. 4 taken along line D-D;

FIG. 12 is a structural schematic view of an inner frame in assembled relationship with an inner frame leveling assembly;

FIG. 13 is a schematic view of the alternate view structure of FIG. 12;

FIG. 14 is a structural schematic diagram of the assembly relationship of the middle frame and the middle frame leveling component;

FIG. 15 is a schematic view of the alternate view structure of FIG. 14;

FIG. 16 is a schematic structural view of an inner frame leveling assembly;

FIG. 17 is a schematic view of the alternate view structure of FIG. 16;

FIG. 18 is an exploded view of the inner frame leveling assembly;

FIG. 19 is a schematic structural view of a center frame leveling assembly;

FIG. 20 is a schematic view of the alternate view structure of FIG. 19;

FIG. 21 is an exploded view of the center frame leveling assembly;

FIG. 22 is a schematic view of the structure of the shock absorbing mechanism;

FIG. 23 is a schematic view of the alternate state structure of FIG. 22;

FIG. 24 is a schematic view of the structure of the outer frame;

fig. 25 is a schematic view of the structure of fig. 24 from another angle.

In the figure, a base 1, a jacking mechanism 2, a jacking disk 2a, a stroke control assembly 2b, a switch fixing bracket 2b1, a sensing piece 2b2, a stroke switch 2b3, a damping mechanism 3, a fixing sleeve 3a, a lower damping sleeve 3b, a guide rod 3c, a guide ring 3d, a damping return spring 3e, a floating sleeve 3f, an upper damping sleeve 3g, a washer 3h, a locking nut 3i, a leveling mechanism 4, an outer frame 4a, a middle frame 4b, an inner frame 4c, an inner frame rotating shaft 4d, a middle frame rotating shaft 4e, a middle frame leveling assembly 4f, a rotating pin seat 4f1, a middle frame leveling seat 4f2, a middle frame worm shaft 4f3, a middle frame leveling motor 4f4, a middle frame leveling gear 4f5, a middle frame elastic pressing piece 4f6, a middle frame outer shell 4f6a, a middle frame pressing pin 4f6 f b, a middle frame pressing spring 4f6 f 736, a pull ring 3f, a deep groove ball bearing 3884, the device comprises a middle frame end face bearing 4f9, a middle frame spacer 4f10, a middle frame bearing upper end cover 4f11, a middle frame bearing lower end cover 4f12, an inner frame leveling component 4g, an inner frame leveling seat 4g2, an inner frame worm shaft 4g3, an inner frame leveling motor 4g4, an inner frame leveling gear 4g5, an inner frame elastic pressing piece 4g6, an inner frame outer shell 4g6a, an inner frame pressing pin 4g6b, an inner frame pressing spring 4g6c, an inner frame pull ring 4g6d, an inner frame rotating pin 4g7, an inner frame deep groove 4g8, an inner frame end face bearing 4g9, an inner frame spacer 4g10, an inner frame bearing upper end cover 4g11, an inner frame bearing lower end cover 4g12, an inner frame rotating pin mounting seat 4g13, a level gauge 4h and a precision instrument a.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1:

the embodiment provides a leveling mechanism for on-vehicle automatic leveling device, including frame 4a, center 4b and inside casing 4c, the instrument installation face of inside casing 4c for being used for installing precision instrument a, rotationally install through an inside casing pivot 4d respectively in the both sides of inside casing 4c in center 4b, rotationally install through a center pivot 4e respectively in the both sides of center 4b in the frame 4a, the direction of rotation of inside casing 4c with the direction of rotation of center 4b is arranged perpendicularly, frame 4a with be equipped with between center 4b and be used for the adjustment center leveling subassembly 4f of center 4b levelness, center 4b with be equipped with between the inside casing 4c and be used for the adjustment the inside casing leveling subassembly 4g of inside casing 4c levelness. The inner frame 4c and the middle frame 4b are designed to be rotatable structures, the rotating direction of the inner frame 4c is designed to be perpendicular to the rotating direction of the middle frame 4b, the middle frame leveling component 4f is additionally arranged between the outer frame 4a and the middle frame 4b, and the inner frame leveling component 4g is additionally arranged between the middle frame 4b and the inner frame 4c, so that the leveling of the inner frame 4c can be realized by matching and adjusting the middle frame leveling component 4f and the inner frame leveling component 4g, and the purpose of leveling a precision instrument a is further achieved.

The middle frame leveling assembly 4f includes a pivot pin seat 4f1, a middle frame leveling seat 4f2, a middle frame worm shaft 4f3, a middle frame leveling motor 4f4 and a middle frame leveling gear 4f5, the cross section of the pivot pin seat 4f1 is a U-shaped structure, the pivot pin seat 4f1 is mounted on the outer frame 4a at a position corresponding to the middle frame 4b with the opening of the U-shaped structure of the pivot pin seat 4f1 facing the middle frame 4b, the middle frame leveling seat 4f2 is a cylindrical structure, the lower end of the middle frame leveling seat 4f2 is rotatably mounted at a corresponding position in the pivot pin seat 4f1, the rotation direction of the middle frame leveling seat 4f2 is facing the opening of the U-shaped structure of the pivot pin seat 4f1 with the rotation direction of the middle frame leveling seat 4f2 being identical to the rotation direction of the middle frame 4b, the middle frame leveling seat 4f3 is mounted in the rotation axis of the middle frame 3985 f leveling seat 2, the orientation of center leveling seat 4f2 be equipped with on the lateral wall of center 4b and let the exposed opening of the tooth at center 4f3 middle part, center leveling motor 4f4 flip is in on the bottom surface of center leveling seat 4f2 just center leveling motor 4f 4's output with center 4f3 links to each other, center leveling gear 4f5 installs correspond on the center 4b center 4f 3's position just center leveling gear 4f5 with the tooth engagement in center 4f3 middle part, correspond on the round pin seat 4f1 center leveling seat 4f2 upper end position is equipped with and is used for with center leveling seat 4f2 presses to center leveling gear 4f 5's center elasticity compresses tightly piece 4f 6. The rotation of the middle frame worm shaft 4f3 drives the middle frame leveling gear 4f5 to rotate, so as to drive the middle frame 4b to rotate, and further realize the adjustment of the levelness of the middle frame 4 b; meanwhile, the lower end of the middle frame leveling seat 4f2 is designed to be a rotatable movable structure, and the upper end of the middle frame leveling seat 4f2 is elastically pressed to the middle frame leveling gear 4f5 by the middle frame elastic pressing piece 4f6, so that the gapless meshing state between the teeth in the middle of the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be ensured all the time, the clamping between the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be effectively prevented, the rotating smoothness and the rotating stability of the middle frame leveling gear 4f5 are improved, and the smoothness and the rotating stability of the levelness adjustment of the middle frame 4b are further improved.

The two sides of the lower end of the middle frame leveling seat 4f2 are respectively rotatably arranged at corresponding positions on the inner wall of the rotating pin seat 4f1 through a middle frame rotating pin 4f 7. The middle frame leveling seat 4f2 is installed through the middle frame rotating pin 4f7, so that the later maintenance is facilitated. The middle frame worm shaft 4f3 is arranged coaxially with the middle frame leveling motor 4f 4. The middle frame worm shaft 4f3 and the middle frame leveling motor 4f4 are coaxially arranged, so that the leveling smoothness of the leveling assembly is further improved.

The middle frame elastic pressing piece 4f6 is a middle frame spring pin, the middle frame spring pin comprises a middle frame outer shell 4f6a transversely and fixedly mounted on the side wall of the upper end of the rotating pin seat 4f1, a middle frame pressing pin 4f6b of a T-shaped structure is mounted in the middle frame outer shell 4f6a in a sliding mode, one end of the middle frame pressing pin 4f6b is pressed on the outer wall of the middle frame leveling seat 4f2, a middle frame pressing spring 4f6c is sleeved at the other end of the middle frame pressing pin 4f6b, one end of the middle frame pressing spring 4f6c abuts against a T-shaped step of the middle frame pressing pin 4f6b of the T-shaped structure, and the other end of the middle frame pressing spring 4f6c abuts against the inner wall of the middle frame outer shell 4f6 a. By adopting the middle frame elastic pressing member 4f6 as a finished member such as a spring pin, the manufacturing cost is reduced. One end of the middle frame pressing pin 4f6b sleeved with the middle frame pressing spring 4f6c penetrates through the middle frame outer shell 4f6a and is provided with a middle frame pull ring 4f6d in an outward extending mode. The added middle frame pull ring 4f6d facilitates later maintenance.

Both ends of the center frame worm shaft 4f3 are rotatably mounted on the center frame leveling seats 4f2 by center frame deep groove ball bearings 4f 8. The additionally arranged middle frame deep groove ball bearing 4f8 can play a role in radially limiting the middle frame worm shaft 4f3, so that the leveling stability of the leveling assembly during leveling is further improved. A middle frame end face bearing 4f9 is further arranged between the lower end of the middle frame worm shaft 4f3 and the middle frame leveling seat 4f2, and the middle frame end face bearing 4f9 is separated from a middle frame deep groove ball bearing 4f8 at the lower end of the middle frame worm shaft 4f3 through a middle frame spacer 4f 10. The added middle frame end face bearing 4f9 can play an axial limiting role in the middle frame worm shaft 4f3, so that the leveling stability of the leveling component is further improved. The top surface of the middle frame leveling seat 4f2 is provided with a middle frame bearing upper end cover 4f 11. The upper end cover 4f11 of the middle frame bearing can fix the bearing on one hand and also can prevent dust on the other hand. The bottom surface of the middle frame leveling seat 4f2 is provided with a middle frame bearing lower end cover 4f12 with an inward sinking structure. The lower end cover 4f12 of the middle frame bearing can fix the bearing on one hand and also can prevent dust on the other hand.

The width D of the middle frame leveling seat 4f2 in the direction perpendicular to the rotating direction is matched with the distance between the two corresponding inner walls of the rotating pin seat 4f 1. The width D of the middle frame leveling seat 4f2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat 4f1, so that the middle frame leveling seat 4f2 can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured. And avoidance holes are formed in the outer frame 4a corresponding to the middle frame leveling motor 4f 4.

The inner frame leveling assembly 4g comprises an inner frame leveling seat 4g2, an inner frame worm shaft 4g3, an inner frame leveling motor 4g4 and an inner frame leveling gear 4g5, wherein a U-shaped groove for mounting the inner frame leveling seat 4g2 is formed in the inner surface of the middle frame 4b, the opening of the U-shaped groove faces the inner frame 4c, the inner frame leveling seat 4g2 is of a cylindrical structure, the lower end of the inner frame leveling seat 4g2 is rotatably mounted in a corresponding position in the U-shaped groove, the rotating direction of the inner frame leveling seat 4g2 faces the opening of the U-shaped groove, the rotating direction of the inner frame leveling seat 4g2 is consistent with that of the inner frame 4c, the inner frame worm shaft 4g3 is rotatably mounted in the inner frame leveling seat 4g2 along the axis of the inner frame leveling seat 4g2, the inner frame leveling seat 4g2 faces the side wall of the inner frame 4c and is provided with an opening for exposing the middle part of the teeth shaft 4g3, inner frame leveling motor 4g4 flip is in on the bottom surface of inner frame leveling seat 4g2 just inner frame leveling motor 4g 4's output with inside casing worm axle 4g3 links to each other, inside casing leveling gear 4g5 is installed correspond on the inside casing 4c the position of inside casing worm axle 4g3 just inside casing leveling gear 4g5 with the meshing of the tooth at inside casing worm axle 4g3 middle part, correspond on the center 4b the position of inside casing leveling seat 4g2 upper end is equipped with and is used for with inside casing leveling seat 4g2 presses to the inside casing elasticity of inside casing gear 4g5 compresses tightly piece 4g 6. The inner frame leveling gear 4g5 is driven to rotate by the autorotation of the inner frame worm shaft 4g3, so that the inner frame 4c is driven to rotate, and the levelness of the inner frame 4c can be adjusted; meanwhile, the lower end of the inner frame leveling seat 4g2 is designed to be a rotatable movable structure, and the upper end of the inner frame leveling seat 4g2 is elastically pressed to the inner frame leveling gear 4g5 by the inner frame elastic pressing piece 4g6, so that the teeth in the middle of the inner frame shaft 4g3 and the inner frame leveling gear 4g5 can be always in a gapless meshing state, the inner frame shaft 4g3 and the inner frame leveling gear 4g5 can be effectively prevented from being clamped, the smooth transition and the stability of the rotation of the inner frame leveling gear 4g5 are improved, and the smooth transition and the stability of the levelness adjustment of the inner frame 4c are further improved.

The two sides of the lower end of the inner frame leveling seat 4g2 are respectively rotatably arranged at corresponding positions in the U-shaped groove through an inner frame rotating pin 4g 7. The inner frame leveling seat 4g2 is installed through the inner frame rotating pin 4g7, which facilitates later maintenance. The inner frame worm shaft 4g3 is arranged coaxially with the inner frame leveling motor 4g 4. The inner frame worm shaft 4g3 and the inner frame leveling motor 4g4 are coaxially arranged, so that the leveling stability of the leveling assembly is further improved.

The elastic inner frame pressing piece 4g6 is an inner frame spring pin, the inner frame spring pin comprises an inner frame outer shell 4g6a transversely and fixedly mounted on the side wall of the upper end of the inner frame 4b, a T-shaped inner frame pressing pin 4g6b is slidably mounted in the inner frame outer shell 4g6a, one end of the inner frame pressing pin 4g6b is pressed on the outer wall of the inner frame leveling seat 4g2, an inner frame pressing spring 4g6c is sleeved at the other end of the inner frame pressing pin 4g6b, one end of the inner frame pressing spring 4g6c abuts against a T-shaped step of the inner frame pressing pin 4g6b of the T-shaped structure, and the other end of the inner frame pressing spring 4g6c abuts against the inner wall of the inner frame outer shell 4g6 a. By adopting the inner frame elastic pressing members 4g6 as finished members such as spring pins, the manufacturing cost is reduced. One end of the inner frame pressing pin 4g6b, which is sleeved with the inner frame pressing spring 4g6c, penetrates through the inner frame outer shell 4g6a and extends outwards to form an inner frame pull ring 4g6 d. The added inner frame pull ring 4g6d facilitates later maintenance.

Both ends of the inner frame worm shaft 4g3 are rotatably mounted in the inner frame leveling seats 4g2 by inner frame deep groove ball bearings 4g 8. The additionally arranged inner frame deep groove ball bearing 4g8 can play a role in radially limiting the inner frame worm shaft 4g3, so that the leveling stability of the leveling assembly during leveling is further improved. An inner frame end face bearing 4g9 is further arranged between the lower end of the inner frame worm shaft 4g3 and the inner frame leveling seat 4g2, and the inner frame end face bearing 4g9 is isolated from the inner frame deep groove ball bearing 4g8 at the lower end of the inner frame worm shaft 4g3 through an inner frame spacer 4g 10. The additionally arranged inner frame end face bearing 4g9 can play an axial limiting role in the inner frame worm shaft 4g3, so that the leveling stability of the leveling component during leveling is further improved. An inner frame bearing upper end cover 4g11 is arranged on the top surface of the inner frame leveling seat 4g 2. The upper end cover 4g11 of the inner frame bearing can fix the bearing on one hand and also can prevent dust on the other hand. The bottom surface of the inner frame leveling seat 4g2 is provided with an inner frame bearing lower end cover 4g12 with an inner sinking structure. The lower end cover 4g12 of the inner frame bearing can fix the bearing on one hand and also can prevent dust on the other hand.

The width D1 of the inner frame leveling seat 4g2 in the direction perpendicular to the rotating direction is matched with the distance between the two corresponding inner walls of the U-shaped groove. The width D1 of the inner frame leveling seat 4g2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the U-shaped groove, so that the inner frame leveling seat 4g2 can be prevented from moving in the leveling process to affect the leveling, and the stability and the reliability of the leveling are guaranteed. And avoidance holes are formed in the positions, corresponding to the inner frame leveling motors 4g4, of the outer frame 4 a. The inner frame is changeed round pin mounting groove corresponding to the position of inner frame commentaries on classics round pin 4g7 on the inner wall in U type groove, the inner frame is changeed to be equipped with in the round pin mounting groove and is changeed round pin mount pad 4g13, inner frame commentaries on classics round pin 4g7 one end is installed in the inner frame commentaries on classics round pin mount pad 4g13, the inner frame is changeed round pin 4g7 the other end and is installed in the inner frame leveling seat 4g 2. By designing the inner gimbal pivot pin 4g7 to be mounted in the inner gimbal leveling seat 4g2 by the inner gimbal pivot pin mounting seat 4g13, this facilitates installation and later maintenance.

A level gauge 4h is arranged on the bottom surface of the inner frame 4c, and an avoidance hole is formed in the position, corresponding to the level gauge 4h, of the outer frame 4 a. The level gauge 4h is an electronic level gauge, the electronic level gauge is electrically connected with a controller, and the controller is respectively electrically connected with the middle frame leveling motor 4f4 and the inner frame leveling motor 4g 4. The additional level meter 4h facilitates the leveling of the leveling mechanism. The middle frame 4b and the inner frame 4c are both of a square frame structure, the middle frame 4b and the inner frame 4c are coaxially arranged, the inner frame 4c is arranged in the middle frame 4b, the outer frame 4a is of a flat plate structure, two sides of the top surface of the flat plate structure are respectively provided with a side plate, two side walls of the inner frame 4c are respectively and rotatably arranged on two inner walls corresponding to the middle frame 4b through the inner frame rotating shaft 4d, and two side walls of the middle frame 4b are respectively and rotatably arranged on two side plates of the outer frame 4a through the middle frame rotating shaft 4 e. The structure of the leveling mechanism can be more compact by designing the middle frame 4b and the inner frame 4c into a square frame structure, arranging the middle frame 4b and the inner frame 4c coaxially, and arranging the inner frame 4c in the middle frame 4 b.

In the embodiment, the inner frame 4c and the middle frame 4b are both designed to be rotatable structures, the rotation direction of the inner frame 4c is designed to be perpendicular to the rotation direction of the middle frame 4b, the middle frame leveling component 4f is additionally arranged between the outer frame 4a and the middle frame 4b, and the inner frame leveling component 4g is additionally arranged between the middle frame 4b and the inner frame 4c, so that the leveling of the inner frame 4c can be realized by matching and adjusting the middle frame leveling component 4f and the inner frame leveling component 4g, and the purpose of leveling the precision instrument a is further achieved.

Meanwhile, in the embodiment, the rotation of the middle frame worm shaft 4f3 drives the middle frame leveling gear 4f5 to rotate, so as to drive the middle frame 4b to rotate, and further, the adjustment of the levelness of the middle frame 4b can be realized; meanwhile, the lower end of the middle frame leveling seat 4f2 is designed into a rotatable movable structure, and the upper end of the middle frame leveling seat 4f2 is elastically pressed to the middle frame leveling gear 4f5 by the middle frame elastic pressing piece 4f6, so that the gapless meshing state between the teeth in the middle of the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be ensured all the time, the clamping between the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be effectively prevented, the rotating smoothness and the rotating stability of the middle frame leveling gear 4f5 are also improved, and the smoothness and the rotating stability of the levelness adjustment of the middle frame 4b are further improved; the middle frame leveling seat 4f2 is installed through the middle frame rotating pin 4f7, so that the later maintenance is facilitated; the middle frame worm shaft 4f3 and the middle frame leveling motor 4f4 are coaxially arranged, so that the leveling smoothness of the leveling assembly is further improved.

Moreover, the present embodiment reduces the manufacturing cost by adopting the middle frame elastic pressing piece 4f6 as a finished piece of a spring pin; the added middle frame pull ring 4f6d facilitates later maintenance.

In addition, the additionally arranged middle frame deep groove ball bearing 4f8 can play a role in radially limiting the middle frame worm shaft 4f3, so that the leveling stability of the leveling assembly during leveling is further improved; the additionally arranged middle frame end face bearing 4f9 can play an axial limiting role in the middle frame worm shaft 4f3, so that the leveling stability of the leveling component during leveling is further improved; the additionally arranged upper end cover 4f11 of the middle frame bearing can fix the bearing on one hand and play a role in dust prevention on the other hand; the additionally arranged lower end cover 4f12 of the middle frame bearing can fix the bearing on one hand and also can play a dustproof role on the other hand; the width D of the middle frame leveling seat 4f2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat 4f1, so that the middle frame leveling seat 4f2 can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured.

In addition, in the embodiment, the rotation of the inner frame worm shaft 4g3 drives the inner frame leveling gear 4g5 to rotate, so as to drive the inner frame 4c to rotate, and further, the levelness of the inner frame 4c can be adjusted; meanwhile, the lower end of the inner frame leveling seat 4g2 is designed into a rotatable movable structure, and the upper end of the inner frame leveling seat 4g2 is elastically pressed towards the inner frame leveling gear 4g5 by the inner frame elastic pressing piece 4g6, so that the teeth in the middle of the inner frame shaft 4g3 and the inner frame leveling gear 4g5 are always kept in a gapless meshing state, the clamping between the inner frame worm shaft 4g3 and the inner frame leveling gear 4g5 can be effectively prevented, the smooth transition and the stability of the rotation of the inner frame leveling gear 4g5 are improved, and the smooth transition and the stability of the levelness adjustment of the inner frame 4c are further improved; the inner frame leveling seat 4g2 is installed through the inner frame rotating pin 4g7, so that the later maintenance is facilitated; the inner frame worm shaft 4g3 and the inner frame leveling motor 4g4 are coaxially arranged, so that the leveling stability of the leveling assembly is further improved; by adopting the inner frame elastic pressing member 4g6 as a finished member of a spring pin, the manufacturing cost is reduced; the added inner frame pull ring 4g6d facilitates later maintenance.

Moreover, the additionally arranged inner frame deep groove ball bearing 4g8 can play a role in radially limiting the inner frame worm shaft 4g3, so that the leveling stability of the leveling assembly during leveling is further improved; the additionally arranged inner frame end face bearing 4g9 can play an axial limiting role in the inner frame worm shaft 4g3, so that the leveling stability of the leveling component during leveling is further improved; the additionally arranged upper end cover 4g11 of the inner frame bearing can fix the bearing on one hand and can also play a dustproof role on the other hand; the additionally arranged lower end cover 4g12 of the inner frame bearing can fix the bearing on one hand and can also play a dustproof role on the other hand; the width D1 of the inner frame leveling seat 4g2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the U-shaped groove, so that the inner frame leveling seat 4g2 can be prevented from moving in the leveling process to affect the leveling, and the stability and the reliability of the leveling are guaranteed.

Finally, the inner frame pivot pin 4g7 is designed to be installed in the inner frame leveling seat 4g2 through the inner frame pivot pin installation seat 4g13, so that the installation and the later maintenance are convenient; the level gauge 4h is an electronic level gauge, the electronic level gauge is electrically connected with a controller, and the controller is respectively electrically connected with the middle frame leveling motor 4f4 and the inner frame leveling motor 4g 4. The additional level meter 4h facilitates the leveling of the leveling mechanism; the structure of the leveling mechanism can be more compact by designing the middle frame 4b and the inner frame 4c into a square frame structure, arranging the middle frame 4b and the inner frame 4c coaxially, and arranging the inner frame 4c in the middle frame 4 b.

Example 2:

this embodiment provides an on-vehicle automatic leveling device, include base 1 and install climbing mechanism 2 on the base 1, install leveling mechanism 4 through damper 3 on the base 1, leveling mechanism 4 is located 2 tops of climbing mechanism, 2a of climbing mechanism are when being in the lowest position, 2a of climbing mechanism with the bottom surface interval arrangement of leveling mechanism 4, 2a of climbing mechanism is when being in the highest position, 2a tops of climbing mechanism are in on the bottom surface of leveling mechanism 4. When the leveling device is in a shock absorption state, the jacking disc 2a of the jacking mechanism 2 and the bottom surface of the leveling mechanism 4 are arranged at intervals, and at the moment, the shock absorption mechanism 3 bears the gravity of the leveling mechanism 4 and the precision instrument a and enables the leveling mechanism 4 and the precision instrument a to be in a floating state, so that the aim of absorbing shock for the precision instrument a is fulfilled; when the leveling device is in a leveling state, the jacking disc 2a of the jacking mechanism 2 firstly jacks the bottom surface of the leveling mechanism 4, so that the precision instrument a is in a fixed state, and then the precision instrument a is leveled through the leveling mechanism 4 according to actual working conditions. The whole process is simple and convenient to operate, and the leveling device is of an integral structure, so that the operation efficiency is high, and the carrying and the management are convenient.

The damping mechanism 3 comprises a fixed sleeve 3a installed on the base 1, the fixed sleeve 3a is of a cylindrical structure with an opening at the lower end and a flanging, a through hole is formed in the top surface of the fixed sleeve 3a, a lower damping sleeve 3b with a T-shaped longitudinal section is installed in the through hole, a guide rod 3c capable of moving up and down is inserted in the lower damping sleeve 3b, the longitudinal section of the guide rod 3c is also of a T-shaped structure, a guide ring 3d is arranged at the lower end of the guide rod 3c, the guide ring 3d can be installed in the fixed sleeve 3a in a vertical sliding manner, a damping reset spring 3e is sleeved on the guide rod 3c corresponding to the position between the guide ring 3d and the top of the fixed sleeve 3a, the upper end of the guide rod 3c is pressed on the bottom surface of the leveling mechanism 4 through a floating sleeve 3f, an upper damping sleeve 3g is arranged between the floating sleeve 3f and the upper end of the guide rod 3c, the lower damping sleeve 3b is pressed between the floating sleeve 3f and the fixed sleeve 3 a. The lower damping sleeve 3b which is pressed between the floating sleeve 3f and the fixed sleeve 3a can effectively play a damping role in the leveling mechanism 4; meanwhile, the leveling mechanism 4 can be further damped by matching with the damping return spring 3 e; moreover, the damping return spring 3e can also play a role in returning; finally, the added upper damping sleeve 3g can further play a damping role in the leveling mechanism 4, and can also ensure that the guide rod 3c and the bottom surface of the leveling mechanism 4 and the guide rod 3c and the floating sleeve 3f are installed without gaps, so that the guide rod 3c can be prevented from moving relative to the bottom surface of the leveling mechanism 4 and the floating sleeve 3f in the damping process, and the stability and the reliability of the damping mechanism are further ensured.

A washer 3h is arranged between the top of the fixed sleeve 3a and the upper end of the damping return spring 3 e. The added washer 3h can effectively prevent the damping return spring 3e from damaging the fixed sleeve 3a, thereby prolonging the service life. The height of the part of the lower damping sleeve 3b inserted into the penetration hole on the fixed sleeve 3a is greater than the depth of the penetration hole on the fixed sleeve 3 a. Through the height design of the part in the interlude hole on the fixed cover 3a of inserting of damping sleeve 3b down be greater than the degree of depth of the interlude hole on the fixed cover 3a, like this, add the packing ring 3h of establishing can not with fixed cover 3a direct contact to further prevented that shock attenuation reset spring 3e from producing the damage to fixed cover 3a, moreover, lower damping sleeve 3b can also play the cushioning effect to packing ring 3h, thereby also indirectly improved this damper's shock attenuation effect. The inner diameter of the washer 3h is matched with the outer diameter of the lower end of the guide rod 3c, and the outer diameter of the washer 3h is smaller than the inner diameter of the fixing sleeve 3 a. The inner diameter of the guide ring 3d is matched with the outer diameter of the lower end of the guide rod 3c, and the outer diameter of the guide ring 3d is matched with the inner diameter of the fixed sleeve 3 a. The floating sleeve 3f is of a cylindrical structure with an opening at the upper end and a flanging, and a through hole for the guide rod 3c to penetrate through is formed in the lower end of the floating sleeve 3 f.

The longitudinal section of the upper damping sleeve 3g is of a T-shaped structure, the lower end of the upper damping sleeve 3g is inserted into the insertion hole of the floating sleeve 3f and sleeved on the guide rod 3c, and a groove matched with a disc at the top of the guide rod 3c is formed in the top face of the upper end of the upper damping sleeve 3 g. The depth of the groove on the top surface of the upper end of the upper damping sleeve 3g is smaller than the thickness of the disc at the top of the guide rod 3 c. The depth of the groove on the top surface of the upper end of the upper damping sleeve 3g is designed to be smaller than the thickness of the disc at the top of the guide rod 3c, so that the guide rod 3c and the bottom surface of the leveling mechanism 4 and the guide rod 3c and the floating sleeve 3f can be installed without clearance, and the guide rod 3c can be prevented from moving relative to the bottom surface of the leveling mechanism 4 and the floating sleeve 3f in the damping process, and the stability and the reliability of the damping mechanism are further guaranteed.

And a locking nut 3i is arranged at the lower end of the guide rod 3c corresponding to the position below the guide ring 3d in a threaded manner, and a locking washer is arranged between the locking nut 3i and the guide ring 3 d. Through designing into guide ring 3d to be fixed by lock nut 3i installation, made things convenient for the maintenance in later stage like this, simultaneously, add the lock washer who establishes and can prevent effectively that lock nut 3i from taking place the pine and taking off in the use. The outer diameter of the upper end of the fixed sleeve 3a, the outer diameter of the upper end of the lower damping sleeve 3b and the outer diameter of the lower end of the floating sleeve 3f are all consistent. Through designing the external diameter of the upper end of the fixed sleeve 3a, the external diameter of the upper end of the lower damping sleeve 3b and the external diameter of the lower end of the floating sleeve 3f into uniform, the stress balance among all parts can be ensured, so that the damping effect is improved on the one hand, and the service life is prolonged on the other hand. The axes of the fixed sleeve 3a, the lower damping sleeve 3b, the guide rod 3c and the floating sleeve 3f are all on the same straight line.

The leveling mechanism 4 comprises an outer frame 4a, a middle frame 4b and an inner frame 4c, the top surface of the inner frame 4c is an instrument mounting surface for mounting a precision instrument a, two sides of the inner frame 4c are respectively and rotatably arranged in the middle frame 4b through an inner frame rotating shaft 4d, both sides of the middle frame 4b are respectively and rotatably arranged in the outer frame 4a through a middle frame rotating shaft 4e, the outer frame 4a is arranged on the shock absorption mechanism 3 and the outer frame 4a is positioned above the jacking mechanism 2, the rotating direction of the inner frame 4c is perpendicular to the rotating direction of the middle frame 4b, a middle frame leveling component 4f for adjusting the levelness of the middle frame 4b is arranged between the outer frame 4a and the middle frame 4b, an inner frame leveling component 4g for adjusting the levelness of the inner frame 4c is arranged between the middle frame 4b and the inner frame 4 c. The inner frame 4c and the middle frame 4b are designed to be rotatable structures, the rotating direction of the inner frame 4c is designed to be perpendicular to the rotating direction of the middle frame 4b, the middle frame leveling component 4f is additionally arranged between the outer frame 4a and the middle frame 4b, and the inner frame leveling component 4g is additionally arranged between the middle frame 4b and the inner frame 4c, so that the leveling of the inner frame 4c can be realized by matching and adjusting the middle frame leveling component 4f and the inner frame leveling component 4g, and the purpose of leveling a precision instrument a is further achieved.

Both ends of the center frame worm shaft 4f3 are rotatably mounted on the center frame leveling seats 4f2 by center frame deep groove ball bearings 4f 8. The additionally arranged middle frame deep groove ball bearing 4f8 can play a role in radially limiting the middle frame worm shaft 4f3, so that the leveling stability of the leveling assembly during leveling is further improved. A middle frame end face bearing 4f9 is further arranged between the lower end of the middle frame worm shaft 4f3 and the middle frame leveling seat 4f2, and the middle frame end face bearing 4f9 is separated from a middle frame deep groove ball bearing 4f8 at the lower end of the middle frame worm shaft 4f3 through a middle frame spacer 4f 10. The added middle frame end face bearing 4f9 can play an axial limiting role in the middle frame worm shaft 4f3, so that the leveling stability of the leveling component is further improved. The top surface of the middle frame leveling seat 4f2 is provided with a middle frame bearing upper end cover 4f 11. The upper end cover 4f11 of the middle frame bearing can fix the bearing on one hand and also can prevent dust on the other hand. The bottom surface of the middle frame leveling seat 4f2 is provided with a middle frame bearing lower end cover 4f12 with an inward sinking structure. The lower end cover 4f12 of the middle frame bearing can fix the bearing on one hand and also can prevent dust on the other hand. The width D of the middle frame leveling seat 4f2 along the direction perpendicular to the rotating direction is matched with the distance between the two corresponding inner walls of the rotating pin seat 4f 1. The width D of the middle frame leveling seat 4f2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat 4f1, so that the middle frame leveling seat 4f2 can be prevented from moving in the leveling process to influence the leveling, and the stability and the reliability of the leveling are ensured. And avoidance holes are formed in the outer frame 4a corresponding to the middle frame leveling motor 4f 4.

In the damping state of this embodiment, the jacking disk 2a of the jacking mechanism 2 and the outer frame 4a are arranged at intervals, and in the leveling state, the jacking disk 2a of the jacking mechanism 2 is jacked on the bottom surface of the outer frame 4 a.

The specific structure of the jacking mechanism 2 can be seen in chinese patent CN 201210209412.7-a small-stroke large-torque automatic jacking mechanism, which is not described herein again. Wherein, a stroke control assembly 2b is arranged between the jacking disc 2a of the jacking mechanism 2 and the base 1, the stroke control assembly 2b comprises a switch fixing bracket 2b1, a sensing piece 2b2 and two stroke switches 2b3, two stroke switches 2b3 are arranged on the upper end of the switch fixing bracket 2b1 along the vertical interval, the lower end of the switch fixing bracket 2b1 is fixedly installed on the base 1, one end of the sensing piece 2b2 is fixedly installed on the jacking disc 2a, the other end of the sensing piece 2b2 is arranged between the two stroke switches 2b3, when the sensing piece 2b2 is in contact with the upper stroke switch 2b3, the jacking disc 2a of the jacking mechanism 2 is at the highest position, when the sensing piece 2b2 is in contact with the lower stroke switch 2b3, the jacking disc 2a of the jacking mechanism 2 is at the lowest position, the two travel switches 2b3 are respectively electrically connected with a controller, and the controller is electrically connected with a driving motor of the jacking mechanism 2. The added stroke control assembly 2b can automatically control the lifting stroke of the jacking mechanism 2, thereby further simplifying the operation and improving the efficiency.

The embodiment is divided into two states, namely a vehicle-mounted damping state and a rigid leveling state, and the two states can be quickly switched.

The working mode of the embodiment is as follows: the precise instrument a to be leveled is installed on the top surface of the inner frame 4c, then the conversion between vehicle-mounted damping and rigid leveling is realized through the jacking mechanism 2, the lifting stroke of the jacking mechanism 2 is controlled through the stroke control component 2b, the complete leveling in two directions of the inner frame is realized through the middle frame leveling component 4f and the inner frame leveling component 4g, and the leveling state is controlled through the level meter 4 h.

The working mode of the vehicle-mounted damping state is as follows: the precise instrument a is fixed on the top surface of an inner frame 4c, the inner and outer frames of a leveling mechanism 4 are axially and radially limited through a rotating shaft, the rotation is limited through the engagement self-locking of a worm on an inner and middle frame leveling component and an inner and middle frame leveling gear, the outer frame 4a is fixedly connected with a damping mechanism 3, the damping mechanism 3 is in damping and fixed connection with a base 1, the base 1 is fixedly connected with the inner embedding of a vehicle, and finally the precise instrument a is in a vehicle-mounted damping state on the inner frame 4 c.

The working process when the vehicle-mounted damping state is converted into the rigid leveling state is as follows: a driving motor on the jacking mechanism 2 is electrified to rotate, a worm of the jacking mechanism 2 rotates, a transmission gear of the jacking mechanism 2 rotates, a T-shaped screw seat of the jacking mechanism 2 moves upwards along a guide key, a jacking disc 2a of the jacking mechanism 2 moves upwards, the jacking disc 2a of the jacking mechanism 2 pushes an outer frame 4a of the leveling mechanism 4 to move upwards, a floating sleeve 3f and an upper damping sleeve 3g of the damping mechanism 3 move upwards along with the outer frame 4a and are separated from a damping state, a stroke switch 2b3 of the jacking mechanism 2 ascends in place and stops, the leveling mechanism 4 is in a rigid state, an inner frame leveling component 4g adjusts an inner frame 4c to be horizontal in one direction, an inner frame leveling component 4f adjusts the inner frame 4b to be horizontal in the other direction, a level meter 4h controls leveling and reaches a final leveling state, and finally, the precision instrument a is in a rigid leveling state on the inner.

The work flow when the rigid leveling state is converted into the vehicle-mounted damping state is as follows: the driving motor on the jacking mechanism 2 is electrified to rotate, the worm of the jacking mechanism 2 rotates, the transmission gear of the jacking mechanism 2 rotates, the T-shaped screw seat of the jacking mechanism 2 moves downwards along the guide key, the jacking disk 2a of the jacking mechanism 2 moves downwards, the jacking disk 2a of the jacking mechanism 2 is separated from the outer frame 4a of the leveling mechanism 4, the damping mechanism 3 recovers a damping state, the travel switch 2b3 of the jacking mechanism 2 is in place and descends to stop, and finally the precision instrument a is in a vehicle-mounted damping state on the inner frame.

When the leveling device is in a shock absorption state, the jacking disc 2a of the jacking mechanism 2 and the bottom surface of the leveling mechanism 4 are arranged at intervals, and at the moment, the shock absorption mechanism 3 bears the gravity of the leveling mechanism 4 and the precision instrument a and enables the leveling mechanism 4 and the precision instrument a to be in a floating state, so that the aim of absorbing shock for the precision instrument a is fulfilled; when the leveling device is in a leveling state, the jacking disc 2a of the jacking mechanism 2 firstly jacks the bottom surface of the leveling mechanism 4, so that the precision instrument a is in a fixed state, and then the precision instrument a is leveled through the leveling mechanism 4 according to actual working conditions. The whole process is simple and convenient to operate, and the leveling device is of an integral structure, so that the operation efficiency is high, and the carrying and the management are convenient.

Meanwhile, the lower damping sleeve 3b which is pressed between the floating sleeve 3f and the fixed sleeve 3a can effectively play a damping role in the leveling mechanism 4; meanwhile, the leveling mechanism 4 can be further damped by matching with the damping return spring 3 e; moreover, the damping return spring 3e can also play a role in returning; finally, the additionally arranged upper damping sleeve 3g can further play a damping role in the leveling mechanism 4, and can also ensure that the guide rod 3c and the bottom surface of the leveling mechanism 4 and the guide rod 3c and the floating sleeve 3f are installed without gaps, so that the guide rod 3c can be prevented from moving relative to the bottom surface of the leveling mechanism 4 and the floating sleeve 3f in the damping process, and the stability and the reliability of the damping mechanism are further ensured; the added washer 3h can effectively prevent the damping return spring 3e from damaging the fixed sleeve 3a, thereby prolonging the service life; the height of the part of the lower damping sleeve 3b inserted into the penetrating hole in the fixed sleeve 3a is designed to be larger than the depth of the penetrating hole in the fixed sleeve 3a, so that the additionally arranged gasket 3h can not be in direct contact with the fixed sleeve 3a, the fixed sleeve 3a is further prevented from being damaged by the damping reset spring 3e, and the lower damping sleeve 3b can also play a damping role in the gasket 3h, so that the damping effect of the damping mechanism is indirectly improved; the depth of the groove on the top surface of the upper end of the upper damping sleeve 3g is designed to be smaller than the thickness of the disc at the top of the guide rod 3c, so that the guide rod 3c and the bottom surface of the leveling mechanism 4 and the guide rod 3c and the floating sleeve 3f can be installed without clearance, and the guide rod 3c can be prevented from moving relative to the bottom surface of the leveling mechanism 4 and the floating sleeve 3f in the damping process, so that the stability and the reliability of the damping mechanism are guaranteed; the guide ring 3d is designed to be installed and fixed by the locking nut 3i, so that later maintenance is facilitated, and meanwhile, the additional anti-loosening washer can effectively prevent the locking nut 3i from loosening in the use process; through designing the external diameter of the upper end of the fixed sleeve 3a, the external diameter of the upper end of the lower damping sleeve 3b and the external diameter of the lower end of the floating sleeve 3f into uniform, the stress balance among all parts can be ensured, so that the damping effect is improved on the one hand, and the service life is prolonged on the other hand.

In addition, in the embodiment, the inner frame 4c and the middle frame 4b are both designed to be rotatable structures, the rotation direction of the inner frame 4c is designed to be perpendicular to the rotation direction of the middle frame 4b, the middle frame leveling component 4f is additionally arranged between the outer frame 4a and the middle frame 4b, and the inner frame leveling component 4g is additionally arranged between the middle frame 4b and the inner frame 4c, so that the leveling of the inner frame 4c can be realized by adjusting the middle frame leveling component 4f and the inner frame leveling component 4g in a matching manner, and the purpose of leveling the precision instrument a is further achieved; the rotation of the middle frame worm shaft 4f3 drives the middle frame leveling gear 4f5 to rotate, so as to drive the middle frame 4b to rotate, and further realize the adjustment of the levelness of the middle frame 4 b; meanwhile, the lower end of the middle frame leveling seat 4f2 is designed into a rotatable movable structure, and the upper end of the middle frame leveling seat 4f2 is elastically pressed to the middle frame leveling gear 4f5 by the middle frame elastic pressing piece 4f6, so that the gapless meshing state between the teeth in the middle of the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be ensured all the time, the clamping between the middle frame worm shaft 4f3 and the middle frame leveling gear 4f5 can be effectively prevented, the rotating smoothness and the rotating stability of the middle frame leveling gear 4f5 are also improved, and the smoothness and the rotating stability of the levelness adjustment of the middle frame 4b are further improved; the middle frame leveling seat 4f2 is installed through the middle frame rotating pin 4f7, so that the later maintenance is facilitated; the middle frame worm shaft 4f3 and the middle frame leveling motor 4f4 are coaxially arranged, so that the leveling stability of the leveling assembly is further improved; by adopting the middle frame elastic pressing piece 4f6 as a finished piece of a spring pin, the manufacturing cost is reduced; the added middle frame pull ring 4f6d facilitates later maintenance; the additionally arranged middle frame deep groove ball bearing 4f8 can play a role in radially limiting the middle frame worm shaft 4f3, so that the leveling stability of the leveling assembly during leveling is further improved; the additionally arranged middle frame end face bearing 4f9 can play an axial limiting role in the middle frame worm shaft 4f3, so that the leveling stability of the leveling component during leveling is further improved; the additionally arranged upper end cover 4f11 of the middle frame bearing can fix the bearing on one hand and play a role in dust prevention on the other hand; the lower end cover 4f12 of the middle frame bearing can fix the bearing on one hand and also can prevent dust on the other hand.

Moreover, in the embodiment, the width D of the middle frame leveling seat 4f2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the rotating pin seat 4f1, so that the middle frame leveling seat 4f2 can be prevented from moving in the leveling process to affect the leveling, and the stability and reliability of the leveling are ensured; the inner frame leveling gear 4g5 is driven to rotate by the autorotation of the inner frame worm shaft 4g3, so that the inner frame 4c is driven to rotate, and the levelness of the inner frame 4c can be adjusted; meanwhile, the lower end of the inner frame leveling seat 4g2 is designed into a rotatable movable structure, and the upper end of the inner frame leveling seat 4g2 is elastically pressed towards the inner frame leveling gear 4g5 by the inner frame elastic pressing piece 4g6, so that the teeth in the middle of the inner frame shaft 4g3 and the inner frame leveling gear 4g5 are always kept in a gapless meshing state, the clamping between the inner frame worm shaft 4g3 and the inner frame leveling gear 4g5 can be effectively prevented, the smooth transition and the stability of the rotation of the inner frame leveling gear 4g5 are improved, and the smooth transition and the stability of the levelness adjustment of the inner frame 4c are further improved; the inner frame leveling seat 4g2 is installed through the inner frame rotating pin 4g7, so that the later maintenance is facilitated; the inner frame worm shaft 4g3 and the inner frame leveling motor 4g4 are coaxially arranged, so that the leveling stability of the leveling assembly is further improved; by adopting the inner frame elastic pressing member 4g6 as a finished member of a spring pin, the manufacturing cost is reduced; the added inner frame pull ring 4g6d facilitates later maintenance; the additionally arranged inner frame deep groove ball bearing 4g8 can play a role in radially limiting the inner frame worm shaft 4g3, so that the leveling stability of the leveling assembly during leveling is further improved; the additionally arranged inner frame end face bearing 4g9 can play an axial limiting role in the inner frame worm shaft 4g3, so that the leveling stability of the leveling component during leveling is further improved; the additionally arranged upper end cover 4g11 of the inner frame bearing can fix the bearing on one hand and can also play a dustproof role on the other hand; the additionally arranged lower end cover 4g12 of the inner frame bearing can fix the bearing on one hand and can also play a dustproof role on the other hand; the width D1 of the inner frame leveling seat 4g2 in the direction perpendicular to the rotating direction is designed to be matched with the distance between the two corresponding inner walls of the U-shaped groove, so that the inner frame leveling seat 4g2 can be prevented from moving in the leveling process to affect the leveling, and the stability and the reliability of the leveling are ensured; by designing the inner gimbal pivot pin 4g7 to be mounted in the inner gimbal leveling seat 4g2 by the inner gimbal pivot pin mounting seat 4g13, this facilitates installation and later maintenance.

Finally, the level 4h in this embodiment is an electronic level, the electronic level is electrically connected to a controller, and the controller is electrically connected to the middle frame leveling motor 4f4 and the inner frame leveling motor 4g4, respectively. The additional level meter 4h facilitates the leveling of the leveling mechanism; the middle frame 4b and the inner frame 4c are both designed into a square frame structure, and the middle frame 4b and the inner frame 4c are coaxially arranged and the inner frame 4c is arranged in the middle frame 4b, so that the leveling mechanism has a more compact structure; the added stroke control assembly 2b can automatically control the lifting stroke of the jacking mechanism 2, thereby further simplifying the operation and improving the efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a levelling mechanism for on-vehicle automatic leveling device, a serial communication port, including frame (4a), center (4b) and inside casing (4c), the instrument installation face of the top surface of inside casing (4c) for being used for installing precision instrument (a), the both sides of inside casing (4c) are rotationally installed through an inside casing pivot (4d) respectively in center (4b), the both sides of center (4b) are rotationally installed through a center pivot (4e) respectively in frame (4a), the rotation direction of inside casing (4c) with the rotation direction of center (4b) is arranged perpendicularly, frame (4a) with be equipped with between center (4b) and be used for adjusting center leveling subassembly (4f) of center (4b) levelness, center (4b) with be equipped with between inside casing (4c) and be used for adjusting inside casing subassembly (4g) of leveling (4c) levelness ).

2. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 1, wherein the center frame leveling assembly (4f) comprises a pivot pin holder (4f1), a center frame leveling holder (4f2), a center frame worm shaft (4f3), a center frame leveling motor (4f4) and a center frame leveling gear (4f5), the cross section of the pivot pin holder (4f1) is of a U-shaped structure, the pivot pin holder (4f1) is mounted on the outer frame (4a) corresponding to the position of the center frame (4b) and the opening of the U-shaped structure of the pivot pin holder (4f1) faces the center frame (4b), the center frame leveling holder (4f2) is of a cylindrical structure, the lower end of the center frame leveling holder (4f2) is rotatably mounted at a corresponding position in the pivot pin holder (4f1), the pivot direction of the center frame leveling holder (4f2) faces the opening of the pivot pin holder (4f1) and the pivot pin holder (4f2) and the opening of the center frame leveling gear (4f5) and the pivot pin holder (4f1) are of the pivot pin holder (3) and the pivot pin holder (4f) The rotation directions of frames (4b) are consistent, the middle frame worm shaft (4f3) is rotatably mounted in the middle frame leveling seat (4f2) along the axis of the middle frame leveling seat (4f2), an opening allowing teeth in the middle of the middle frame worm shaft (4f3) to be exposed is formed in the side wall of the middle frame leveling seat (4f2) facing the middle frame (4b), the middle frame leveling motor (4f4) is inversely mounted on the bottom surface of the middle frame leveling seat (4f2), the output end of the middle frame leveling motor (4f4) is connected with the middle frame worm shaft (4f3), the middle frame leveling gear (4f5) is mounted on the middle frame (4b) at a position corresponding to the middle frame worm shaft (4f3), the middle frame leveling gear (4f5) is meshed with the teeth in the middle of the middle frame worm shaft (4f3), and the middle frame leveling seat (4f 8236) is provided with a position corresponding to press the upper end of the middle frame leveling seat (8536) And an elastic pressing piece (4f6) for pressing the middle frame of the middle frame leveling gear (4f 5).

3. The leveling mechanism for the vehicle automatic leveling device according to claim 2, wherein both sides of the lower end of the center frame leveling seat (4f2) are rotatably mounted at corresponding positions on the inner wall of the pivot pin seat (4f1) through a center frame pivot pin (4f 7).

4. The leveling mechanism for a vehicle mounted automatic leveling device according to claim 2, wherein the center frame worm shaft (4f3) is arranged coaxially with the center frame leveling motor (4f 4).

5. The leveling mechanism for a vehicle-mounted automatic leveling device according to claim 2, the middle frame elastic pressing piece (4f6) is a middle frame spring pin which comprises a middle frame outer shell (4f6a) transversely and fixedly arranged on the side wall of the upper end of the rotating pin seat (4f1), a middle frame hold-down pin (4f6b) with a T-shaped structure is arranged in the middle frame shell (4f6a) in a sliding way, one end of the middle frame pressing pin (4f6b) is pressed on the outer wall of the middle frame leveling seat (4f2), the other end of the middle frame pressing pin (4f6b) is sleeved with a middle frame pressing spring (4f6c), one end of the middle frame pressing spring (4f6c) is abutted against a T-shaped step of the middle frame pressing pin (4f6b) with the T-shaped structure, the other end of the middle frame pressing spring (4f6c) is pressed against the inner wall of the middle frame outer shell (4f6 a).

6. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 5, wherein one end of the middle frame hold-down spring (4f6c) sleeved on the middle frame hold-down pin (4f6b) penetrates through the middle frame outer shell (4f6a) and is provided with a middle frame pull ring (4f6d) extending outwards.

7. The leveling mechanism for a vehicle mounted automatic leveling device according to claim 2, wherein both ends of the center frame worm shaft (4f3) are rotatably mounted in the center frame leveling seat (4f2) by a center frame deep groove ball bearing (4f8), respectively.

8. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 7, wherein a middle frame end face bearing (4f9) is further arranged between the lower end of the middle frame worm shaft (4f3) and the middle frame leveling seat (4f2), and the middle frame end face bearing (4f9) is isolated from a middle frame deep groove ball bearing (4f8) at the lower end of the middle frame worm shaft (4f3) through a middle frame spacer (4f 10).

9. The leveling mechanism for the vehicle mounted automatic leveling device according to claim 7, wherein a center bearing upper end cap (4f11) is mounted on a top surface of the center leveling seat (4f 2).

10. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 7, wherein a center bearing lower end cover (4f12) of an inward sinking structure is mounted on the bottom surface of the center leveling seat (4f 2).

11. The leveling mechanism for vehicle mounted automatic leveling device according to claim 2, wherein a width D of the center frame leveling seat (4f2) in a direction perpendicular to the turning direction is fitted to a space between corresponding two inner walls of the swivel pin seat (4f 1).

12. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 2, wherein a relief hole is formed in the outer frame (4a) at a position corresponding to the middle frame leveling motor (4f 4).

13. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 1, wherein the inner frame leveling assembly (4g) comprises an inner frame leveling seat (4g2), an inner frame worm shaft (4g3), an inner frame leveling motor (4g4) and an inner frame leveling gear (4g5), a U-shaped groove for mounting the inner frame leveling seat (4g2) is formed in the inner surface of the middle frame (4b), the opening of the U-shaped groove faces the inner frame (4c), the inner frame leveling seat (4g2) is of a cylindrical structure, the lower end of the inner frame leveling seat (4g2) is rotatably mounted at a position corresponding to the U-shaped groove, the rotation direction of the inner frame leveling seat (4g2) faces the opening of the U-shaped groove, the rotation direction of the inner frame leveling seat (4g2) is consistent with the rotation direction of the inner frame (4c), and the inner frame worm shaft (4g3) is rotatably mounted on the axis of the inner frame leveling seat (4g2) along the rotation direction of the inner frame leveling seat (4g2) In the frame leveling seat (4g2), the side wall of the inner frame leveling seat (4g2) facing the inner frame (4c) is provided with an opening which can expose the teeth in the middle of the inner frame worm shaft (4g3), the inner frame leveling motor (4g4) is reversely arranged on the bottom surface of the inner frame leveling seat (4g2) and the output end of the inner frame leveling motor (4g4) is connected with the inner frame worm shaft (4g3), the inner frame leveling gear (4g5) is arranged on the inner frame (4c) at a position corresponding to the inner frame worm shaft (4g3) and the inner frame leveling gear (4g5) is meshed with teeth in the middle of the inner frame worm shaft (4g3), an inner frame elastic pressing piece (4g6) used for pressing the inner frame leveling seat (4g2) to the inner frame leveling gear (4g5) is arranged on the position, corresponding to the upper end of the inner frame leveling seat (4g2), of the middle frame (4 b).

14. The leveling mechanism for the vehicle automatic leveling device according to claim 13, wherein both sides of the lower end of the inner frame leveling seat (4g2) are rotatably mounted at corresponding positions in the U-shaped groove by an inner frame rotating pin (4g 7).

15. The leveling mechanism for a vehicle mounted automatic leveling device according to claim 13, wherein the inner frame worm shaft (4g3) is arranged coaxially with the inner frame leveling motor (4g 4).

16. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 13, wherein the inner frame elastic pressing piece (4g6) is an inner frame spring pin which comprises an inner frame outer shell (4g6a) transversely and fixedly mounted on the side wall of the upper end of the inner frame (4b), the inner frame outer shell (4g6a) is internally and slidably mounted with an inner frame pressing pin (4g6b) of a T-shaped structure, one end of the inner frame pressing pin (4g6b) is pressed against the outer wall of the inner frame leveling seat (4g2), the other end of the inner frame pressing pin (4g6b) is sleeved with an inner frame pressing spring (4g6c), one end of the inner frame pressing spring (4g6c) abuts against a T-shaped step of the inner frame pressing pin (4g6b) of the T-shaped structure, and the other end of the inner frame pressing spring (4g6c) abuts against the inner wall of the inner frame outer shell (4g6 a).

17. The leveling mechanism for the vehicle automatic leveling device according to claim 16, wherein the inner frame pressing pin (4g6b) is sleeved with one end of the inner frame pressing spring (4g6c) to penetrate through the inner frame outer shell (4g6a) and extend outwards to form an inner frame pull ring (4g6 d).

18. The leveling mechanism for a vehicle mounted automatic leveling device according to claim 13, wherein both ends of the inner frame worm shaft (4g3) are rotatably mounted in the inner frame leveling seat (4g2) by an inner frame deep groove ball bearing (4g8), respectively.

19. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 18, wherein an inner frame end face bearing (4g9) is further arranged between the lower end of the inner frame worm shaft (4g3) and the inner frame leveling seat (4g2), and the inner frame end face bearing (4g9) is isolated from an inner frame deep groove ball bearing (4g8) at the lower end of the inner frame worm shaft (4g3) through an inner frame spacer sleeve (4g 10).

20. The leveling mechanism for the vehicle automatic leveling device according to claim 18, wherein an inner frame bearing upper end cap (4g11) is mounted on the top surface of the inner frame leveling seat (4g 2).

21. The leveling mechanism for the vehicle automatic leveling device according to claim 18, wherein an inner frame bearing lower end cap (4g12) of an inner sinking structure is mounted on a bottom surface of the inner frame leveling seat (4g 2).

22. The leveling mechanism for vehicle mounted automatic leveling device according to claim 13, wherein the width D1 of the inner frame leveling seat (4g2) in the direction perpendicular to the rotation direction fits the interval between the corresponding two inner walls of the U-shaped groove.

23. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 13, wherein a relief hole is formed in the outer frame (4a) at a position corresponding to the inner frame leveling motor (4g 4).

24. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 14, wherein an inner frame rotating pin mounting groove is formed in the inner wall of the U-shaped groove at a position corresponding to the inner frame rotating pin (4g7), an inner frame rotating pin mounting seat (4g13) is inversely mounted in the inner frame rotating pin mounting groove, one end of the inner frame rotating pin (4g7) is mounted in the inner frame rotating pin mounting seat (4g13), and the other end of the inner frame rotating pin (4g7) is mounted in the inner frame leveling seat (4g 2).

25. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 1, wherein a level gauge (4h) is arranged on the bottom surface of the inner frame (4c), and a relief hole is formed in the position, corresponding to the level gauge (4h), of the outer frame (4 a).

26. The leveling mechanism for the vehicle-mounted automatic leveling device according to claim 1, wherein the middle frame (4b) and the inner frame (4c) are both of a square frame structure, the middle frame (4b) and the inner frame (4c) are coaxially arranged, the inner frame (4c) is arranged in the middle frame (4b), the outer frame (4a) is a flat plate structure with side plates on two sides of the top surface, the two side walls of the inner frame (4c) are respectively rotatably installed on the two corresponding inner walls of the middle frame (4b) through the inner frame rotating shaft (4d), and the two side walls of the middle frame (4b) are respectively rotatably installed on the two side plates of the outer frame (4a) through the middle frame rotating shaft (4 e).