阅读说明：本技术 一种具备自锁功能的液压式高精度自动调平装置 (Hydraulic high-precision automatic leveling device with self-locking function ) 是由 吴娜 于 2021-08-25 设计创作，主要内容包括：本发明提供一种具备自锁功能的液压式高精度自动调平装置,属于机械设备调平技术领域。包括调平总成、辅助杆总成、液压动力总成、锁定总成,四组调平总成通过辅助杆总成连接成与机械设备底座相同的四边形；每组调平总成升降的主动力同为液压动力总成,通过集成的进油阀与回油阀与调平总成中的油缸主体连通,可单独驱动任一组油缸杆升降；调平总成中还设有扁簧,可对油缸主体的回油起到缓冲作用,能对需调平的机械设备与调平总成起到保护作用；通过在升降限位底座设置的锁定总成可将升降轴锁定在任意高度位置上后,可撤销液压动力,转化为机械锁止,既节能又安全可靠。(The invention provides a hydraulic high-precision automatic leveling device with a self-locking function, and belongs to the technical field of mechanical equipment leveling. The four leveling assemblies are connected into a quadrangle which is the same as a mechanical equipment base through the auxiliary rod assembly; the main power of each leveling assembly is a hydraulic power assembly, and the oil inlet valve and the oil return valve are integrated and communicated with an oil cylinder main body in the leveling assembly, so that any group of oil cylinder rods can be driven to lift independently; the leveling assembly is also provided with a flat spring, so that the oil return of the oil cylinder main body can be buffered, and mechanical equipment needing leveling and the leveling assembly can be protected; the lifting shaft can be locked at any height position through the locking assembly arranged on the lifting limiting base, and then hydraulic power can be cancelled and converted into mechanical locking, so that the energy is saved, and the safety and reliability are realized.)

1. The utility model provides a fluid pressure type high accuracy auto leveling device that possesses self-locking function, includes leveling roof (103), its characterized in that: the device also comprises a leveling assembly (1) and an auxiliary rod assembly (2);

the leveling assembly (1) comprises an oil cylinder main body (101), a lifting limiting base (102), a lifting shaft (104), an oil cylinder rod (107), a lifting groove (111), a lifting seat (112), a clamping table (113), a top limiting seat (114), a buffering spring base (115), a buffering spring top seat (116) and a flat spring (117), and the auxiliary rod assembly (2) comprises a rod sleeve (201), a clamping groove rod (202), a clamping seat rod (203) and a level gauge (208);

four groups of leveling assemblies (1) are respectively arranged at the corners of an automatic leveling device, a lifting limit base (102) with a cylindrical structure is fixed on the outer side of the top of an oil cylinder main body (101) in each leveling assembly (1), lifting grooves (111) are symmetrically formed in two ends of each lifting limit base (102), a lifting shaft (104) is fixed on the outer side of the bottom of a leveling top plate (103), the lifting shaft (104) is inserted into the lifting limit base (102), lifting seats (112) are symmetrically fixed on two ends of the outer wall of each lifting shaft (104), clamping tables (113) are fixed at the bottoms of the lifting seats (112), the clamping tables (113) can slide up and down in the lifting grooves (111), top limit seats (114) are fixed on the top of the lifting limit base (102), and the clamping tables (113) are clamped and pressed in the lifting grooves (111) by the top limit seats (114);

an oil cylinder rod (107) is further fixed in the middle of the bottom of the leveling top plate (103), and the oil cylinder rod (107) is inserted into an oil cavity of the oil cylinder main body (101);

a buffer spring base (115) is further fixed in the middle of the top of the oil cylinder main body (101), a buffer spring top seat (116) with the size identical to that of the buffer spring base (115) is fixed in the middle of the bottom of the leveling top plate (103), the lower end of the flat spring (117) is clamped in the buffer spring base (115), and the upper end of the flat spring is clamped in the buffer spring top seat (116);

one end of a rod sleeve (201) in the auxiliary rod assembly (2) is fixed with a clamping groove rod (202), the other end of the rod sleeve is fixed with a clamping seat rod (203) at a position vertical to the clamping groove rod (202), four groups of rod sleeves (201) are respectively sleeved and fixed on the outer side of the oil cylinder main body (101), the clamping groove rod (202) at one end of the rod sleeve (201) in each group of oil cylinder main body (101) is connected with the clamping seat rod (203) at one end of the rod sleeve (201) in an adjacent group of oil cylinder main body (101), and a level gauge (208) is further arranged at the joint of each group of clamping groove rod (202) and the clamping seat rod (203);

and a locking assembly (4) for locking and leveling the top plate (103) is also arranged on the outer side of the lifting limiting base (102).

2. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 1, characterized in that: and an anti-skid plate (105) is arranged on the upper plane of the leveling top plate (103).

3. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 1, characterized in that: a fixing base (106) in the leveling assembly (1) is fixed at the bottom of an oil cylinder main body (101), an automatic leveling device is integrally fixed on an operation plane through the fixing base (106), an oil inlet hole (109) and an oil return hole (110) are formed in the wall of the oil cavity of the oil cylinder main body (101), an oil cylinder rod bottom sleeve (108) is further fixed inside the oil cavity of the oil cylinder main body (101), and the oil cylinder rod bottom sleeve (108) is located above the oil inlet hole (109) and the oil return hole (110) in the horizontal direction.

4. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 1, characterized in that: a clamping groove (204) is formed in the main plane of a clamping groove rod (202) in the auxiliary rod assembly (2), a clamping seat (205) is fixed on the main plane of the clamping seat rod (203), a clamping seat fixing position (206) is arranged in the clamping seat (205), a fixing cover (207) is fixed on the upper portion of the clamping seat fixing position (206), and a level meter (208) is fixed on the upper plane of the fixing cover (207).

5. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 1, characterized in that: the clamping groove rod (202) fixed at one end of the rod sleeve (201) and the clamping seat rod (203) at the other end have a certain height difference in the horizontal direction.

6. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 3, characterized in that: an oil inlet hole (109) and an oil return hole (110) on each group of oil cylinder main bodies (101) are connected with a hydraulic power assembly (3), an oil inlet pipe (301) is connected to an oil inlet hole (109) in each group of oil cylinder main bodies (101) in the hydraulic power assembly (3), an oil return pipe (302) is connected to an oil return hole (110) in each group of oil cylinder main bodies (101), the oil inlet end of each group of oil inlet pipe (301) is respectively connected to different oil outlet valve body connecting pipes of an oil inlet valve (303), the oil return end of each group of oil return pipe (302) is respectively connected to different oil return valve body connecting pipes of an oil return valve (304), the main oil inlet end of the oil inlet valve (303) is connected with the oil outlet end of the oil tank (307) through an oil inlet valve connecting pipe (305), the main oil return end of the oil return valve (304) is connected with the oil return end of an oil tank (307) through an oil return valve connecting pipe (306), and a hydraulic pump (308) is communicated in the oil inlet valve connecting pipe (305).

7. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 3, characterized in that: locking groove (401) are seted up on the outer wall of lift axle (104) in locking assembly (4), be equipped with lock position (402) on the position that lift spacing base (102) outer wall and lock groove (401) correspond, it has lock post (403) to peg graft in lock position (402), the bilateral symmetry of the left and right sides of lock position (402) is fixed with fixed position of gyration (404), the bilateral symmetry of the left and right sides of lock post (403) rear end is fixed with linkage position of gyration (405), every group all swivelling joint has fixed connecting rod (406) in the fixed position of gyration (404), every group all swivelling joint has linkage connecting rod (407) in the linkage position of gyration (405), is located same one side the other end of fixed connecting rod (406) and the other end swivelling joint of linkage connecting rod (407).

8. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 7, characterized in that: every group all be fixed with on the bottom surface of fixed connecting rod (406) and linkage connecting rod (407) swivelling joint department and detain position (408), the bottom of bullet knot position (408) is equipped with bullet knot fixing base (409), bullet knot fixing base (409) are fixed on the outer wall of lift limit base (102), the bullet is detained and has been seted up on the main plane of fixing base (409) bullet and detain hole (410).

9. The hydraulic high-precision automatic leveling device with the self-locking function according to claim 8, characterized in that: the bullet is detained hole (410) and is the lower extreme open-ended cavity structure, and bullet knot draw-in groove (413) have been seted up to the bilateral symmetry of cavity structure, the inside of bullet knot hole (410) cavity structure is pegged graft and is had bullet knot base (411), the outer wall bilateral symmetry of bullet knot base (411) is fixed with bullet knot cassette (412) that correspond with bullet knot draw-in groove (413), bullet knot cassette (412) joint slides in bullet knot draw-in groove (413), bullet knot hole (410) cavity structure bottom surface and bullet knot base (411) top face between be connected with spring (414), the lower extreme of bullet knot base (411) is fixed with bullet knot (415) with bullet knot hole (410) size unanimity.

Technical Field

The invention relates to the technical field of mechanical equipment leveling, in particular to a hydraulic high-precision automatic leveling device with a self-locking function.

Background

The leveling and aligning work of equipment installation is carried out after the equipment is hoisted in place and before the equipment runs, and the task is that the installed equipment meets the quality standard of the technical requirement through adjustment. The accurate leveling of equipment has important influence to the working quality and the efficiency of follow-up equipment.

Most of the traditional mechanical equipment squaring methods are that a sizing block is placed at one end of a base according to the required height, sizing blocks with the required height are placed at two sides of a foundation bolt at the other end of the base, a level gauge is used for leveling on a processing surface of the base, the foundation bolt is screwed after leveling, finally the sizing block is added at the position of the foundation bolt for leveling, the foundation bolt is screwed after leveling, or other hand-screwed type foundation leveling devices are used for replacing the foundation bolt for leveling, such as a mechanical equipment leveling device disclosed in the prior art (CN 210771049U), which comprises a bearing plate, a threaded column is fixedly arranged at the middle part of the rear side of the upper surface of the bearing plate, a screw cylinder is sleeved on the outer surface of the threaded column, the upper end surface of the threaded column is abutted against the lower surface of a bearing body, a connecting hole is fixedly arranged at the upper part of the bearing body, the bearing body is rotatably connected to the lower part of a connecting block, the connecting block is fixedly connected to the lower surface of the bearing plate, the bearing plate and the bearing plate are the same in size, two sides between the bearing plate and the bearing plate are respectively and fixedly connected with a support frame, the middle part of each support frame is connected with a rotating disc, the support frame structures are arranged on two sides, and the support body structures are arranged on the rear part of each support frame, so that the multi-directional inclination adjustment of the leveling plate can be realized; secondly, the leveling precision is low, and the use requirement of the matching leveling of the current more and more precise mechanical equipment cannot be met.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a hydraulic high-precision automatic leveling device with a self-locking function, which comprises a leveling assembly and an auxiliary rod assembly, wherein the leveling assembly comprises an oil cylinder main body, a lifting limit base, a leveling top plate, a lifting shaft, an oil cylinder rod, a lifting groove, a lifting seat, a clamping table, a top limit, a buffering spring base, a buffering spring top seat and a flat spring;

the four leveling assemblies are respectively arranged at the corners of the automatic leveling device, a lifting limiting base with a cylindrical structure is fixed on the outer side of the top of an oil cylinder main body in each leveling assembly, lifting grooves are symmetrically formed in two ends of the lifting limiting base, a lifting shaft is fixed on the outer side of the bottom of a leveling top plate and is inserted into the lifting limiting base, lifting seats are symmetrically fixed at two ends of the outer wall of the lifting shaft, clamping platforms are fixed at the bottoms of the lifting seats, the clamping platforms can slide up and down in the lifting grooves, a top limiting seat is fixed at the top of the lifting limiting base, and the clamping platforms are clamped and pressed in the lifting grooves by the top limiting seat;

an oil cylinder rod is further fixed in the middle of the bottom of the leveling top plate and is inserted into an oil cavity of the oil cylinder main body;

a buffer spring base is further fixed in the middle of the top of the oil cylinder main body, a buffer spring top seat with the size consistent with that of the buffer spring base is fixed in the middle of the bottom of the leveling top plate, the lower end of the flat spring is clamped in the buffer spring base, and the upper end of the flat spring is clamped in the buffer spring top seat;

a clamping groove rod is fixed at one end of a rod sleeve in the auxiliary rod assembly, a clamping seat rod is fixed at the position, perpendicular to the clamping groove rod, of the other end of the rod sleeve, four groups of rod sleeves are respectively sleeved and fixed on the outer side of the oil cylinder main body, the clamping groove rod at one end of the rod sleeve in each group of oil cylinder main body is connected with the clamping seat rod at one end of the rod sleeve in the adjacent group of oil cylinder main body, and a level meter is further arranged at the joint of each group of clamping groove rods and the clamping seat rods;

and a locking assembly for locking the leveling top plate is further arranged on the outer side of the lifting limiting base.

Furthermore, the upper plane of the leveling top plate is provided with an anti-skid plate.

Furthermore, a fixed base in the leveling assembly is fixed at the bottom of the oil cylinder main body, an oil inlet and an oil return hole are formed in the wall of the oil cavity of the oil cylinder main body, an oil cylinder rod bottom sleeve is fixed inside the oil cavity of the oil cylinder main body, and the oil cylinder rod bottom sleeve is located above the oil inlet and the oil return hole in the horizontal direction.

Furthermore, a clamping groove is formed in a main plane of a clamping groove rod in the auxiliary rod assembly, a clamping seat is fixed on the main plane of the clamping seat rod, a clamping seat fixing position is arranged in the clamping seat, a certain height difference exists between the clamping groove rod fixed at one end of the rod sleeve and the clamping seat rod at the other end in the horizontal direction, a fixing cover is fixed on the upper portion of the clamping seat fixing position, and a level meter is fixed on the upper plane of each fixing cover.

Furthermore, an oil inlet hole and an oil return hole in each group of oil cylinder main bodies are connected with a hydraulic power assembly, an oil inlet pipe is connected in the oil inlet hole in each group of oil cylinder main bodies in the hydraulic power assembly, an oil return pipe is connected in the oil return hole in each group of oil cylinder main bodies, the oil inlet end of each group of oil inlet pipe is connected to an oil outlet valve body connecting pipe with different oil inlet valves, the oil return end of each group of oil return pipe is connected to an oil return valve body connecting pipe with different oil return valves, the total oil inlet end of each oil inlet valve is connected with the oil outlet end of the oil tank through the oil inlet valve connecting pipe, the total oil return end of each oil return valve is connected with the oil return end of the oil tank through the oil return valve connecting pipe, and a hydraulic pump is communicated in the oil inlet valve connecting pipe.

Furthermore, a locking groove in the locking assembly is arranged on the outer wall of the lifting shaft, a locking position is arranged on the outer wall of the lifting limit base corresponding to the locking groove, the locking position is inserted with a locking column, the left side and the right side of the locking position are symmetrically fixed with fixed rotary positions, linkage rotary positions are symmetrically fixed on the left side and the right side of the rear end of the lock cylinder, a fixed connecting rod is rotatably connected in each group of the fixed rotary positions, a linkage connecting rod is rotatably connected in each group of the linkage rotary positions, the other end of the fixed connecting rod positioned on the same side is rotatably connected with the other end of the linkage connecting rod, and an elastic buckle position is fixed on the bottom surface of the rotary joint of each group of the fixed connecting rod and the linkage connecting rod, the bottom of bullet knot position is equipped with the bullet and buckles the fixing base, the bullet is buckled the fixing base and is fixed on the outer wall of lift limit base, the bullet has buckled the main plane of fixing base and has seted up the bullet and detain the hole symmetrically.

Further, the bullet knot hole is lower extreme open-ended cavity structure, and the bilateral symmetry of cavity structure has seted up the bullet and has buckled the draw-in groove, the inside grafting of bullet knot hole cavity structure has the bullet to buckle the base, the outer wall bilateral symmetry of bullet knot base is fixed with the bullet knot cassette that corresponds with bullet knot draw-in groove, bullet knot cassette joint slides in bullet knot draw-in groove, it is connected with the spring to play between bullet knot hole cavity structure bottom surface and the bullet knot base top face, the lower extreme of bullet knot base is fixed with the bullet that buckles the hole size unanimity with the bullet and buckles.

Compared with the existing mechanical equipment leveling device, the hydraulic high-precision automatic leveling device with the self-locking function provided by the invention has the following advantages:

(1) compared with the common mode of adopting a screwed bolt to adjust, the leveling assembly has the characteristic of stepless adjustment, and has higher adjustment precision while saving manual adjustment.

(2) The flat spring is arranged between the leveling top plate of the leveling assembly and the oil cylinder main body, and the elastic force provided by the flat spring can buffer and protect a transmission mechanism between the leveling top plate and the oil cylinder main body after the pressure of the hydraulic power assembly is released in the leveling process of mechanical equipment, so that damage to the automatic leveling device and the mechanical equipment caused by hard collision is prevented.

(3) According to the invention, the locking assembly is arranged on the outer wall of the lifting limiting base, the lock column in the locking assembly can be locked at any position of the locking groove, after the leveling assembly is leveled through the hydraulic power assembly, the operation of the elastic buckle position can drive the lock column to extrude inwards at the locking position through the linkage connecting rod, so that the lock column is locked in the locking groove, after the locking is in place, the elastic buckle in the elastic buckle position is clamped in the elastic buckle hole under the action of the spring force, further, the lifting shaft can be locked on the lifting limiting base, after the contact leveling of the leveling top plate and the mechanical equipment base is completed, the power of the hydraulic power assembly can be cancelled, the automatic leveling device is locked through mechanical transmission, and the automatic leveling device is safe and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a hydraulic high-precision automatic leveling device with a self-locking function according to the present invention;

FIG. 2 is a schematic structural view of a leveling assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the leveling assembly of the present invention;

FIG. 4 is a schematic structural view of a leveling deck portion of the leveling assembly of the present invention;

FIG. 5 is a schematic structural view of an auxiliary lever assembly according to the present invention;

FIG. 6 is a schematic view of the construction of the sleeve portion of the auxiliary rod assembly of the present invention;

FIG. 7 is a schematic structural view of a fixed rod portion of the auxiliary rod assembly of the present invention;

FIG. 8 is a schematic view of the hydraulic power assembly of the present invention;

FIG. 9 is a schematic structural view of the hydraulic power assembly of the present invention;

FIG. 10 is a schematic structural view of the locking assembly of the present invention;

FIG. 11 is a schematic structural view of a lock cylinder portion of the locking assembly of the present invention;

FIG. 12 is a schematic view of the latch portion of the locking assembly of the present invention.

Reference numerals: 1. leveling the assembly; 2. an auxiliary rod assembly; 3. a hydraulic power assembly; 4. a locking assembly; 101. a cylinder body; 102. a lifting limit base; 103. leveling a top plate; 104. a lifting shaft; 105. an anti-skid plate; 106. a fixed base; 107. a cylinder rod; 108. a cylinder rod bottom sleeve; 109. an oil inlet hole; 110. an oil return hole; 111. a lifting groove; 112. a lifting seat; 113. clamping a platform; 114. carrying out top limit; 115. a buffer spring base; 116. a cushion spring top seat; 117. a flat spring; 201. a rod sleeve; 202. a slot clamping rod; 203. a cartridge rod; 204. a card slot; 205. a card holder; 206. fixing the card seat; 207. a fixed cover; 208. a level gauge; 301. an oil inlet pipe; 302. an oil return pipe; 303. an oil inlet valve; 304. an oil return valve; 305. an oil inlet valve connecting pipe; 306. an oil return valve connecting pipe; 307. an oil tank; 308. a hydraulic pump; 401. a locking groove; 402. a lock position; 403. a lock cylinder; 404. fixing the rotation position; 405. linkage rotation; 406. fixing the connecting rod; 407. a linkage connecting rod; 408. a spring buckling position; 409. a spring fastener fixing seat; 410. a snap hole; 411. a snap base; 412. a spring fastener clamping seat; 413. a snap fastener slot; 414. a spring; 415. and (6) snapping.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The hydraulic high-precision automatic leveling device with the self-locking function provided by the invention is described in an example mode with reference to the attached drawings.

The first embodiment is as follows:

the invention discloses an example for automatically leveling a loaded mechanical device, which is shown in fig. 1, fig. 3, fig. 5, fig. 6, fig. 7 and fig. 8, wherein four groups of leveling assemblies 1 are respectively arranged at the corners of an automatic leveling device, the whole leveling assembly is fixed on an operation plane through a fixing base 106, a cylindrical lifting limiting base 102 is fixed on the outer side of the top of an oil cylinder main body 101, lifting grooves 111 are symmetrically formed in two ends of the lifting limiting base 102, a lifting shaft 104 is fixed on the outer side of the bottom of a leveling top plate 103, the lifting shaft 104 is inserted into the lifting limiting base 102, lifting seats 112 are symmetrically fixed on two ends of the outer wall of the lifting shaft 104, clamping platforms 113 are fixed on the bottom of the lifting seats 112, the clamping platforms 113 can slide up and down in the lifting grooves 111, a top limiting base 114 is fixed on the top of the lifting limiting base 102, and the clamping platforms 113 are clamped and pressed in the lifting grooves 111 by the top limiting 114;

an oil cylinder rod 107 is further fixed at the middle position of the bottom of the leveling top plate 103, the oil cylinder rod 107 is inserted into an oil cavity of the oil cylinder main body 101, an oil inlet hole 109 and an oil return hole 110 on each group of oil cylinder main bodies 101 are connected with the hydraulic power assembly 3, an oil inlet pipe 301 is connected in the oil inlet hole 109 on each group of oil cylinder main bodies 101 in the hydraulic power assembly 3, an oil return pipe 302 is connected in the oil return hole 110 on each group of oil cylinder main bodies 101, the oil inlet end of each group of oil inlet pipe 301 is respectively connected with an oil outlet valve body connecting pipe different from the oil inlet valve 303, the oil return end of each group of oil return pipe 302 is respectively connected with an oil return valve body connecting pipe different from the oil return valve 304, the total oil inlet end of the oil inlet valve 303 is connected with the oil outlet end of the oil tank 307 through the oil inlet valve connecting pipe 305, the total oil return end of the oil return valve 304 is connected with the oil return end of the oil tank 307 through the oil return valve connecting pipe 306, a hydraulic pump 308 is communicated with the oil inlet valve connecting pipe 305, and hydraulic pump 308 is started to inject hydraulic oil into the hydraulic oil chambers of any group of the oil cylinder main bodies 101 through the conversion and distribution of the hydraulic pump 308 In the inner cavity, the hydraulic cylinder rod 107 is driven by hydraulic oil to achieve the purpose of lifting the hydraulic cylinder rod 107 and the leveling top plates 103 fixed at the top of the hydraulic cylinder rod 107, the mechanical equipment is lifted by lifting adjustment of each group of leveling top plates 103, and the hydraulic cylinder lifting device has the characteristic of providing stepless driving for the leveling top plates 103;

specifically, an oil cylinder rod bottom sleeve 108 is fixed inside an oil cavity of the oil cylinder main body 101, and the oil cylinder rod bottom sleeve 108 is located above the oil inlet 109 and the oil return 110 in the horizontal direction, so that on one hand, the position of the oil cylinder rod 107 moving downwards is limited, on the other hand, hydraulic oil in the oil cavity can only contact with the bottom surface of the oil cylinder rod 107, and cannot penetrate into the oil cylinder rod 107 main body to cause pressure relief, and the stable operation of the automatic leveling device is ensured;

optimally, the upper plane of the leveling top plate 103 is provided with an anti-slip plate 105 for increasing the friction force with the supporting surface of the bottom of the equipment to be leveled, preventing slipping in the leveling supporting process and ensuring the safety of mechanical equipment and operators;

optimally, a buffering spring base 115 is further fixed at the middle position of the top of the oil cylinder main body 101, a buffering spring top seat 116 with the size consistent with that of the buffering spring base 115 is fixed at the middle position of the bottom of the leveling top plate 103, the lower end of a flat spring 117 is clamped with the buffering spring base 115, the upper end of the flat spring 117 is clamped with the buffering spring top seat 116, and the flat spring 117 provides upward elastic force for the leveling top plate 103, so that a buffering effect is achieved when a hydraulic pump 308 of the hydraulic power assembly 3 drives the oil cylinder rod 107 to descend, and damage to a mechanical equipment main body and the automatic leveling device due to sudden descending of the oil cylinder rod 107 is prevented;

in the process of lifting, driving and adjusting the leveling top plates 103 in each group of leveling assemblies 1 through the hydraulic power assembly 3, the level meter 208 in the auxiliary rod assembly 2 arranged between two groups of adjacent leveling assemblies 1 can detect the levelness between the two groups of adjacent leveling assemblies 1 and transmit the detected data to the control drive of the hydraulic pump 308 in the hydraulic power assembly 3, and the hydraulic pump 308 drives the hydraulic oil in the inner cavities of different oil cylinder main bodies 101 to lift the oil cylinder rods 107 according to the received data, thereby finally finishing the leveling of mechanical equipment;

specifically, the fixing cover 207 positioned between every two adjacent leveling assemblies 1 is loosened, any two adjacent leveling assemblies 1 are fixed, the other two adjacent leveling assemblies are stretched outwards, the fixing placement distances of the four leveling assemblies 1 can be adjusted through the sliding fit of the corresponding clamping seats 205 in the clamping grooves 204, the fixing cover 207 is locked again after the adjustment is completed, the position of the fixing placement of the leveling assemblies 1 can be adjusted according to the sizes of different mechanical equipment, the operation is convenient, and the reference is uniform.

Example two:

examples of the invention for realizing mechanical locking after leveling of the leveling top plate 103 in each leveling assembly 1 are shown in fig. 1, fig. 2, fig. 4, fig. 10, fig. 11 and fig. 12, the outer side of the elevation limit base 102 in each leveling assembly 1 is provided with a locking assembly 4 for locking the leveling top plate 103, a locking groove 401 is arranged on the outer wall of the elevation shaft 104, the outer wall of the elevation limit base 102 is provided with a locking position 402 corresponding to the locking groove 401, a locking column 403 is inserted in the locking position 402, the front end of the locking column 403 can be tightly pressed against any position in the locking groove 401, the left and right sides of the locking position 402 are symmetrically fixed with a fixed rotary position 404, the left and right sides of the rear end of the locking column 403 are symmetrically fixed with a linkage rotary position 405, each group of fixed rotary positions 404 is rotationally connected with a fixed connecting rod 406, each group of linkage rotary positions 405 is rotationally connected with a linkage connecting rod 407, the other end of the fixed connecting rod 406 on the same side is rotationally connected with the other end of the linkage connecting rod 407, the bottom surface of the rotary connection part of each group of fixed connecting rods 406 and the linkage connecting rod 407 is fixed with an elastic buckle position 408, the bottom of the elastic buckle position 408 is provided with an elastic buckle fixing seat 409, the elastic buckle fixing seat 409 is fixed on the outer wall of the lifting limit base 102, the main plane of the elastic buckle fixing seat 409 is symmetrically provided with elastic buckle holes 410, the elastic buckle holes 410 are of a cavity structure with an opening at the lower end, two sides of the cavity structure are symmetrically provided with elastic buckle clamping grooves 413, the inside of the cavity structure of the elastic buckle holes 410 is inserted with an elastic buckle base 411, two sides of the outer wall of the elastic buckle base 411 are symmetrically fixed with elastic buckle clamping seats 412 corresponding to the elastic buckle clamping grooves 413, the elastic buckle clamping seats 412 are clamped and slid in the elastic buckle clamping grooves 413, a spring 414 is connected between the bottom surface of the cavity structure of the elastic buckle holes 410 and the top end surface of the elastic buckle base 411, the lower end of the elastic buckle base 411 is fixed with an elastic buckle 415 with the size consistent with the size of the elastic buckle holes 410, so that under the elastic force of the spring 414, the snap 415 can be snapped in the snap hole 410;

through synchronously operating two groups of elastic buckle positions 408 which are symmetrically distributed in each group of locking assemblies 4 towards the outside, the fixed connecting rod 406 rotates around the fixed rotary position 404, the linkage connecting rod 407 which is rotationally connected with the fixed connecting rod 406 can be driven to form matched transmission, the other ends of the two groups of linkage connecting rods 407 are respectively rotationally connected to the linkage rotary positions 405 on the two sides of the lock column 403, the lock column 403 can be driven to move towards the inside in the locking position 402, the front end of the lock column 403 forms extrusion force on the locking groove 401 on the outer wall of the lifting shaft 104, the lifting shaft 104 is locked on the lifting limiting base 102, meanwhile, the elastic buckle 415 in the elastic buckle position 408 can be clamped in the elastic buckle hole 410 under the action of the elastic force of the spring 414, the two groups of elastic buckle positions 408 are locked, and further, the lock column 403 is safely locked in the locking groove 401 in the corresponding position.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.