CN210641306U - Lifting and running device capable of being aligned - Google Patents

Abstract

The utility model discloses a lifting and opposite walking device in the technical field of agricultural machinery, which comprises a lifting middle lifting frame, wherein the left side and the right side of the middle lifting frame are respectively articulated with a side lifting frame I and a side lifting frame II, the front side of the middle lifting frame is provided with a middle supporting frame, the front side of the side lifting frame I and the front side of the side lifting frame II are respectively movably provided with a side supporting frame I and a side supporting frame II, the middle supporting frame, the side supporting frame I and the side supporting frame II are respectively provided with at least one middle height adjusting component, the end part of the middle adjusting component extending downwards is rotatably connected with a middle depth wheel, and the end parts of the side edge height adjusting component I and the side edge height adjusting component II extending downwards are respectively rotatably connected with a side edge depth wheel I and a side edge depth wheel II; the utility model is suitable for a small width operation or by a wide margin wide operation, application scope is wider.

Description

Lifting and running device capable of being aligned

Technical Field

The utility model belongs to the technical field of agricultural machine, in particular to liftable and running gear that can go to.

Background

Agricultural machinery such as rotary tillage seeding machine, subsoiler or rotary tillage seeding and fertilizing machine, the working depth is usually controlled by depth-limiting wheel or supporting roller. The difference of the height of the depth wheel causes the height of the machine from the ground to be different, thereby causing the working depth of the machine to be different.

In the prior art, a Chinese utility model patent with the patent name of 'soil preparation machine depth wheel', the patent publication number of CN 207560700U and the patent publication date of 2018.07.03 is disclosed, which comprises a depth wheel and wheel arms, wherein the depth wheel is arranged between the two wheel arms, the wheel arms are provided with connecting plates, the ends of the wheel arms are provided with connecting pin plates, a frame beam is provided with an adjusting plate, the adjusting plate is provided with adjusting pin holes, and the adjusting pin holes can adjust the height of the connecting plates so as to adjust the height of the wheel arms and realize the height adjustment of the depth wheel; in the design, bolts are inserted into holes with different heights according to different height requirements, so that the adjustment is inconvenient, the depth cannot be adjusted randomly, and in addition, the height adjustment in a large range cannot be realized; the device is only suitable for operation with small breadth, and has a small application range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the prior art, provide a liftable and can be to the running gear, solved the technological problem that only is applicable to little width operation among the prior art, the utility model discloses the scope of height-adjusting is big, is applicable to little width operation or by a wide margin wide operation, and application scope is wider.

The purpose of the utility model is realized like this: a lifting and opposite-running walking device comprises a lifting and middle lifting frame, wherein a side lifting frame I and a side lifting frame II are respectively hinged to the left side and the right side of the middle lifting frame, the side lifting frame I and the side lifting frame II can rotate in the front-back direction, a middle supporting frame is fixedly arranged on the front side of the middle lifting frame, a side supporting frame I and a side supporting frame II are respectively and movably arranged on the front side of the side lifting frame I and the front side of the side lifting frame II, at least one height-adjustable middle height adjusting assembly, a side height adjusting assembly I and a side height adjusting assembly II are respectively arranged on the middle supporting frame, the side height adjusting assembly I and the side supporting frame II, the downward extending end part of the middle adjusting assembly is rotatably connected with a middle depth limiting wheel, the downward extending end part of the side height adjusting assembly I is rotatably connected with a side depth limiting wheel, and the end part of the second side height adjusting component extending downwards is rotatably connected with a second side depth limiting wheel.

In the utility model, the middle lifting frame is connected at the rear side of the frame of the agricultural machine (the agricultural machine can be a subsoiler or a rotary tillage, seeding, fertilizing, subsoiling and other compound type operation machine) in a lifting way, and the first side lifting frame and the second side lifting frame are respectively arranged at the two sides of the frame of the agricultural machine facing outwards; when the machine does not work, the first side lifting frame and the second side lifting frame are in a folded state, and at the moment, the first side lifting frame and the second side lifting frame are respectively arranged on the left side and the right side of the machine frame and are parallel to the front and back direction of the machine frame; meanwhile, the middle lifting frame is lifted, and the bottom sides of the middle depth wheel, the side depth wheel I and the side depth wheel II are far away from the ground; during field operation, the positions of a side edge supporting frame I and a side edge supporting frame II are adjusted according to the row spacing in the field, so that a side edge depth wheel I and a side edge depth wheel II are positioned in each row of the field; meanwhile, the first side lifting frame and the second side lifting frame are unfolded, and when the front sides of the first side lifting frame and the side fixing frame are flush with the front side of the middle lifting frame, the first side lifting frame and the second side lifting frame stop rotating; the middle lifting frame is lowered, and meanwhile, the middle depth wheel, the side depth wheel I and the side depth wheel II are also lowered to the required height; the first side lifting frame and the second side lifting frame in the utility model can be folded, which is convenient for road walking and transportation of machines; when the depth wheels need to be lowered, the middle lifting frame can be lowered firstly, so that the middle depth wheels are close to the ground, and at the moment, the depth wheels are lowered to the required height through the actions of the middle height adjusting assembly, the side height adjusting assembly I and the side height adjusting assembly II, so that the height adjusting range of the depth wheels is large; when the field is in wide operation, the first side lifting frame and the second side lifting frame are unfolded, and the height of each depth wheel can be adjusted according to actual needs; when the small-width operation is carried out, the first side lifting frame and the second side lifting frame are folded, the middle height adjusting assembly works to enable the middle depth wheel to descend, and only the middle depth wheel works; the method can be applied to large-width operation or small-width operation, and has wider application range.

In order to further realize the altitude mixture control of middle gauge wheel, side gauge wheel one and side gauge wheel two, middle altitude mixture control subassembly, side altitude mixture control subassembly one and side altitude mixture control subassembly two are the same in structure, middle altitude mixture control subassembly includes the altitude mixture control pneumatic cylinder, is equipped with the altitude mixture control pole that can be reciprocal linear motion on the altitude mixture control pneumatic cylinder, the stiff end of altitude mixture control pneumatic cylinder is articulated with middle support frame, and the one end that the altitude mixture control pole slope stretches out downwards articulates there is the wheel carrier, the upper portion and the middle support frame of wheel carrier are articulated, and middle gauge wheel rotationally connects the lower part at the wheel carrier.

In order to further realize the lifting of the middle lifting frame, the lifting frame further comprises a connecting frame fixedly connected on a frame of the agricultural machine, two upper connecting rods are fixedly connected on the connecting frame, the end parts of the two upper connecting rods extending backwards are fixedly connected with a suspension seat, the rear side of the middle lifting frame is fixedly connected with a lifting frame, the lower part of the lifting frame is hinged with the fixed end of a lifting hydraulic cylinder, a lifting rod capable of performing reciprocating linear movement in the height direction is arranged on the lifting hydraulic cylinder, and the end part of the lifting rod extending upwards is hinged with the upper part of the suspension seat; the lower part of the lifting frame is hinged with two lower connecting rods, the end parts of the lower connecting rods facing the connecting frame are hinged with the connecting frame, sliding grooves are formed in the two ends of the lifting frame in the left and right directions, and the suspension seat can slide along the sliding grooves; in this design, middle lifter is when the highest position, and the lifter withdrawal, when needing to descend middle lifter, the action of lift pneumatic cylinder makes the lifter upwards stretch out, and the lifter drives the stiff end that promotes the pneumatic cylinder and descends, and the stiff end that promotes the pneumatic cylinder drives the hoisting frame and descends, hangs the seat and fixes, and the hoisting frame hangs the seat relatively and slides, and lower connecting rod downswing, when middle lifter descends to the height that needs, the action of lift pneumatic cylinder stop.

In order to further realize the alignment of the first side depth wheel and the second side depth wheel, a first guide rail is arranged on the front side of the first side lifting frame, and the first side supporting frame can slide along the first guide rail; a second guide rail is arranged on the front side of the second side lifting frame, and the second side supporting frame can slide along the second guide rail; the front side of the side fixing frame is fixedly connected with a first opposite-moving hydraulic cylinder, the first opposite-moving hydraulic cylinder is connected with a first opposite-moving push-pull rod capable of performing reciprocating linear movement in the left-right direction, the end part, extending outwards, of the first opposite-moving push-pull rod is connected with a first sliding block, the first side lifting frame is provided with a first sliding groove, the first sliding block is slidably connected into the first sliding groove, one outwards side of the first sliding block is provided with two first clamp bodies, the upper side of the side supporting frame is fixedly connected with two first connecting columns, the first clamp body is matched with a second clamp body, and the second clamp body connects the first connecting columns with the first clamp bodies; the front side of side mount has linked firmly logical pneumatic cylinder two to going, it can be reciprocating linear motion's push-and-pull rod two to going to be connected with on the pneumatic cylinder two to going to go, the end connection that the push-and-pull rod two outwards stretched out has sliding block two, it has sliding tray two to open on the side crane one, sliding block two slidable ground connects in sliding tray two, sliding block two one side outwards is equipped with two clamp bodies three, the upside of side support frame has linked firmly two spliced poles two, with clamp body three phase cooperation be clamp body four, clamp body four links together spliced pole and clamp body three.

In order to realize the folding of the first side lifting frame, the folding lifting frame further comprises a first position adjusting hydraulic cylinder, the fixed end of the first side lifting frame is hinged to the rear side of the first position adjusting hydraulic cylinder, a first position adjusting rod capable of doing reciprocating linear motion is arranged on the first position adjusting hydraulic cylinder, and one end, extending out of the first position adjusting rod, is hinged to the rear side of the middle lifting frame.

In order to realize the folding of the second side lifting frame, the folding lifting frame further comprises a second position adjusting hydraulic cylinder, the rear side of the second side lifting frame is hinged to the fixed end of the second position adjusting hydraulic cylinder, a second position adjusting rod capable of doing reciprocating linear motion is arranged on the second position adjusting hydraulic cylinder, and the extending end of the second position adjusting rod is hinged to the rear side of the middle lifting frame.

As a further improvement, be equipped with two height-adjustable's middle altitude mixture control subassemblies, side altitude mixture control subassemblies one and side altitude mixture control subassemblies two on middle support frame, side support frame one and the side support frame two respectively, two middle gauge wheels set up about middle elevating frame is at the ascending central symmetry of left and right sides side, two side gauge wheels one sets up about the ascending central symmetry of side support frame one in left and right sides, two side gauge wheels two sets up about the ascending central symmetry of side support frame two in left and right sides.

Drawings

Fig. 1 is a front view of the present invention in the unfolded state.

Fig. 2 is a first three-dimensional structure diagram of the present invention in the unfolded state.

Fig. 3 is a second three-dimensional structure diagram of the present invention in the unfolded state.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view of fig. 3 at B.

Fig. 6 is a three-dimensional structure view of the present invention in a folded state.

Fig. 7 is a partially enlarged view at C in fig. 2.

Wherein, 1 a side edge height adjusting component II, 2 a connecting column II, 3 pairs of line push-pull rods II, 4 middle depth limiting wheels, 5 a connecting frame, 6 a side edge depth limiting wheel I, 7 a connecting column I, 8 pairs of line push-pull rods I, 9 pairs of line hydraulic cylinders I, 10 a side edge lifting frame I, 11 a clamp body II, 12 middle height adjusting components, 1201 wheel frames, 1202 height adjusting hydraulic cylinders, 1203 height adjusting rods, 13 pairs of line hydraulic cylinders II, 14 a side edge lifting frame II, 15 middle lifting frames, 16 position adjusting hydraulic cylinders I, 17 lifting hydraulic cylinders, 18 lower connecting rods, 19 upper connecting rods, 20 position adjusting hydraulic cylinders II, 21 position adjusting rods II, 22 lifting rods, 23 lifting frames, 24 position adjusting rods I, 25 a side edge depth limiting wheel II, 26 a side edge supporting frame I, 27 a guide rail I, 28 middle supporting frames, 29 a guide rail II, 30 a side edge supporting frame II, 31 a sliding block I, 32 a sliding groove I, 33 a clamp body, 34 clamp body three, 35 clamp body four, 36 sliding groove two, 37 sliding block two, 38 side height regulating assembly one, 39 spout, 40 suspension seat.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in figures 1-7, the lifting and opposite walking device comprises a lifting middle lifting frame 15, the left side and the right side of the middle lifting frame 15 are respectively hinged with a side lifting frame I10 and a side lifting frame II 14, the side lifting frame I10 and the side lifting frame II 14 can rotate in the front and rear direction, the front side of the middle lifting frame 15 is fixedly provided with a middle supporting frame 28, the front side of the side lifting frame I10 and the front side of the side lifting frame II 14 are respectively and movably provided with a side supporting frame I26 and a side supporting frame II 30, the middle supporting frame 28, the side supporting frame I26 and the side supporting frame II 30 are respectively provided with two height-adjustable middle height adjusting components 12, a side height adjusting component I38 and a side height adjusting component II 1, the downward extending end part of the middle adjusting component is rotatably connected with a middle depth limiting wheel 4, the downward extending end part of the side height adjusting component I38 is rotatably connected with a side depth limiting wheel I, the end part of the side edge height adjusting component II 1 extending downwards is rotatably connected with a side edge depth limiting wheel II 25, the middle supporting frame 28, the side edge supporting frame I26 and the side edge supporting frame II 30 are respectively provided with two height-adjustable middle height adjusting components 12, side edge height adjusting components I38 and side edge height adjusting components II 1, the two middle depth limiting wheels 4 are symmetrically arranged on the center of the middle lifting frame 15 in the left-right direction, the two side edge depth limiting wheels I6 are symmetrically arranged on the center of the side edge supporting frame I26 in the left-right direction, and the two side edge depth limiting wheels II 25 are symmetrically arranged on the center of the side edge supporting frame II 30 in the left-right direction; the structure for realizing the lifting of the middle lifting frame 15 is specifically that the lifting frame comprises a connecting frame 5 fixedly connected to a frame of the agricultural machine, two upper connecting rods 19 are fixedly connected to the connecting frame 5, the end parts of the two upper connecting rods 19 extending backwards are fixedly connected with a suspension seat 40, the rear side of the middle lifting frame 15 is fixedly connected with a lifting frame 23, the lower part of the lifting frame 23 is hinged with the fixed end of a lifting hydraulic cylinder 17, a lifting rod 22 capable of performing reciprocating linear movement in the height direction is arranged on the lifting hydraulic cylinder 17, and the end part of the lifting rod 22 extending upwards is hinged with the upper part of the suspension seat 40; the lower part of hoisting frame 23 articulates there are two lower connecting rods 18, and lower connecting rod 18 is articulated with link 5 towards the tip of link 5, and the both ends of hoisting frame 23 on the left and right sides direction all are opened spout 39, and hang seat 40 and can slide along spout 39, and two upper connecting rods 19 set up about hoisting frame 23 centrosymmetric on the length direction, and two lower connecting rods 18 set up about hoisting frame 23 centrosymmetric on the length direction.

The structure for realizing the alignment of the first side depth wheel 6 and the second side depth wheel 25 is specifically that a first guide rail 27 is arranged on the front side of the first side lifting frame 10, and a first side support frame 26 can slide along the first guide rail 27; the front side of the side lifting frame II 14 is provided with a guide rail II 29, and the side supporting frame II 30 can slide along the guide rail II 29; the front side of the side fixing frame is fixedly connected with a first opposite-moving hydraulic cylinder 9, the first opposite-moving hydraulic cylinder 9 is connected with a first opposite-moving push-pull rod 8 capable of performing reciprocating linear movement in the left-right direction, the end part, extending outwards, of the first opposite-moving push-pull rod 8 is connected with a first sliding block 31, a first sliding groove 32 is formed in a first side lifting frame 10, the first sliding block 31 is slidably connected into the first sliding groove 32, one outwards facing side of the first sliding block 31 is provided with two first clamp bodies 33, the upper side of the side supporting frame is fixedly connected with two first connecting columns 7, a second clamp body 11 is matched with the first clamp bodies 33, and the first connecting columns 7 are connected with the first clamp bodies 33 through the second; the front side of side mount has linked firmly two 13 of the pneumatic cylinder of going to, it can be in the reciprocating linear motion two 3 of going to be connected with on two 13 of the pneumatic cylinder of going to go to be connected with the push-and-pull rod of going to be in the left and right directions, the end connection that the push-and-pull rod of going to two 3 outside stretches out has a second sliding block 37, it has second sliding tray 36 to open on the side crane 10, second sliding block 37 slidable connects in second sliding tray 36, second sliding block 37 one side outwards is equipped with two clamp bodies three 34, the upside of side support frame has linked firmly two spliced poles two 2, with clamp body three 34 matched with be clamp body four 35, clamp body four 35 links together spliced pole and clamp body three 34.

In order to further realize the height adjustment of the middle depth wheel 4, the first side depth wheel 6 and the second side depth wheel 25, the structures of the middle height adjusting assembly 12, the first side height adjusting assembly 38 and the second side height adjusting assembly 1 are the same, the middle height adjusting assembly 12 comprises a height adjusting hydraulic cylinder 1202, a height adjusting rod 1203 capable of doing reciprocating linear motion is arranged on the height adjusting hydraulic cylinder 1202, the fixed end of the height adjusting hydraulic cylinder 1202 is hinged with a middle supporting frame 28, one end of the height adjusting rod 1203 extending downwards in an inclined mode is hinged with a wheel frame 1201, the upper portion of the wheel frame 1201 is hinged with the middle supporting frame 28, and the middle depth wheel 4 is rotatably connected to the lower portion of the wheel frame 1201; in order to realize the folding of the side lifting frame I10 and the side lifting frame II 14, the folding device further comprises a position adjusting hydraulic cylinder I16 and a position adjusting hydraulic cylinder II 20, the rear side of the side lifting frame I10 is hinged to the fixed end of the position adjusting hydraulic cylinder I16, the position adjusting hydraulic cylinder I16 is provided with a position adjusting rod I24 capable of performing reciprocating linear motion, and the extending end of the position adjusting rod I24 is hinged to the rear side of the middle lifting frame 15; the rear side of the side lifting frame II 14 is hinged with the fixed end of a position adjusting hydraulic cylinder II 20, a position adjusting rod II 21 capable of doing reciprocating linear motion is arranged on the position adjusting hydraulic cylinder II 20, and the extending end part of the position adjusting rod II 21 is hinged with the rear side of the middle lifting frame 15.

In the utility model, the middle lifting frame 15 is connected with the rear side of the frame of the agricultural machine (the agricultural machine can be a subsoiler or a rotary tillage seeding and fertilizing subsoiler and other compound type operation machine) in a lifting way, and the side lifting frame I10 and the side lifting frame II 14 are respectively arranged at the two sides of the frame of the agricultural machine facing outwards; when the machine does not work, the first position adjusting hydraulic cylinder 16 and the second position adjusting hydraulic cylinder act to enable the first position adjusting rod 24 and the second position adjusting rod 21 to retract, and when the first side lifting frame 10 and the second side lifting frame 14 are in a folded state (as shown in figure 6), namely the first side lifting frame 10 and the second side lifting frame 14 are respectively arranged on the left side and the right side of the rack and are parallel to the front-back direction of the rack, and the first position adjusting hydraulic cylinder 16 and the second position adjusting hydraulic cylinder 20 stop acting; meanwhile, the lifting hydraulic cylinder 17 acts to enable the lifting rod 22 to retract upwards, the lifting rod 22 drives the lifting frame 23 to move upwards, the lower connecting rod 18 swings upwards, the lifting frame 23 drives the middle lifting frame 15 to move upwards, and the bottom sides of the middle depth wheel 4, the side depth wheel I6 and the side depth wheel II 25 are far away from the ground; during large-width field operation, the first side support frame 26 and the second side support frame 30 are adjusted in a row-to-row mode, specifically, the first row-to-row hydraulic cylinder 9 and the second row-to-row hydraulic cylinder 13 are actuated, the first row-to-row push-pull rod 8 and the second row-to-row push-pull rod 3 extend out or retract, the first row-to-row push-pull rod 8 drives the first sliding block 31 to slide in the first sliding groove 32, the first sliding block 31 drives the first side support frame 26 to move, the second row-to-row push-pull rod 3 drives the second sliding block 37 to slide in the second sliding groove 36, the second sliding block 37 drives the second side support frame 30 to move until the first side depth limiting wheel 6 and the second side depth limiting wheel 25 respectively adapt to the field row spacing on the two sides of the middle lifting frame 15, and the first row-to-; the first position adjusting hydraulic cylinder 16 and the second position adjusting hydraulic cylinder 20 act to enable the first position adjusting rod 24 and the second position adjusting rod 21 to continuously extend outwards, the first position adjusting rod 24 pushes the first side edge lifting frame 10 to rotate towards the direction of the middle lifting frame 15, the second position adjusting rod 21 pushes the second side edge lifting frame 14 to rotate towards the direction of the middle lifting frame 15, the first side edge lifting frame 10 and the second side edge lifting frame 14 are continuously unfolded, when the front sides of the first side edge lifting frame 10 and the first side edge fixing frame are flush with the front side of the middle lifting frame 15, the first position adjusting hydraulic cylinder 16 and the second position adjusting hydraulic cylinder 20 stop acting, and the first side edge lifting frame 10 and the second side edge lifting frame 14 stop rotating; the lifting hydraulic cylinder 17 moves reversely, so that the lifting rod 22 continuously extends outwards, the lifting rod 22 drives the fixed end of the lifting hydraulic cylinder 17 to descend, the fixed end of the lifting hydraulic cylinder 17 drives the lifting frame 23 to descend, the suspension seat 40 is fixed, the lifting frame 23 slides relative to the suspension seat 40, the lower connecting rod 18 swings downwards, and the lifting hydraulic cylinder 17 stops moving when the middle depth wheel 4, the side depth wheel I6 and the side depth wheel II 25 are close to the ground; the height adjusting hydraulic cylinders 1202 act to enable the height adjusting rods 1203 to continuously extend downwards, when the middle depth wheel 4, the side depth wheel I6 and the side depth wheel II 25 are lowered to the required height, all the height adjusting hydraulic cylinders 1202 stop acting, and the bottom sides of the middle depth wheel 4, the side depth wheel I6 and the side depth wheel II 25 are flush; when the agricultural machinery works with small width, the side fixing frame I and the side fixing frame II are in folded states and are arranged on the left side and the right side of the agricultural machinery; the distance between the first side support frame 26 and the second side support frame 30 in the horizontal direction of the utility model is adjustable, so that the row distance can be adjusted, and the first side depth wheel 6 and the second side depth wheel 25 can adjust the row distance according to the actual operation conditions of the farmland, so that the application range is wide; the first side lifting frame 10 and the second side lifting frame 14 can be folded, so that the machine tool can be conveniently transported on a road, and when the field is wide in operation, the first side lifting frame 10 and the second side lifting frame 14 are unfolded; during small-width operation, the first side lifting frame 10 and the second side lifting frame 14 are folded, and only the middle depth wheel 4 works; the height of each depth wheel is roughly adjusted through the lifting hydraulic cylinder 17, and then the height of each depth wheel is finely adjusted according to actual needs through the height adjusting hydraulic cylinder 1202, so that the adjustment is convenient, and the adjustment range is large; the method can be applied to large-width operation or small-width operation, and has wider application range.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (5)

1. The utility model provides a liftable and running gear that can go to, includes the middle crane of liftable, its characterized in that: the agricultural machine further comprises a connecting frame and a position adjusting hydraulic cylinder I which are fixedly connected on a frame of the agricultural machine, wherein the left side and the right side of the middle lifting frame are respectively hinged with a side lifting frame I and a side lifting frame II, the side lifting frame I and the side lifting frame II can rotate in the front and rear directions, the rear side of the side lifting frame I is hinged with the fixed end of a position adjusting hydraulic cylinder I, the position adjusting hydraulic cylinder I is provided with a position adjusting rod I which can do reciprocating linear motion, the extending end of the position adjusting rod I is hinged with the rear side of the middle lifting frame, the connecting frame is fixedly connected with two upper connecting rods, the extending end parts of the two upper connecting rods extend backwards are fixedly connected with a suspension seat, the rear side of the middle lifting frame is fixedly connected with a lifting frame, the lower part of the lifting frame is hinged with the fixed end of a lifting hydraulic cylinder, and, the end part of the lifting rod extending upwards is hinged with the upper part of the suspension seat; the lower part of the lifting frame is hinged with two lower connecting rods, the end parts of the lower connecting rods facing the connecting frame are hinged with the connecting frame, sliding grooves are formed in the two ends of the lifting frame in the left and right directions, and the suspension seat can slide along the sliding grooves; the middle lifting frame is characterized in that a middle supporting frame is fixedly arranged on the front side of the middle lifting frame, the front side of the first side lifting frame and the front side of the second side lifting frame are movably provided with a first side supporting frame and a second side supporting frame respectively, at least one middle height adjusting assembly with adjustable height, a first side height adjusting assembly and a second side height adjusting assembly are arranged on the middle supporting frame, the first side supporting frame and the second side supporting frame respectively, the downward extending end of the middle height adjusting assembly is rotatably connected with a middle depth limiting wheel, the downward extending end of the first side height adjusting assembly is rotatably connected with a first side depth limiting wheel, and the downward extending end of the second side height adjusting assembly is rotatably connected with a second side depth limiting wheel.

2. The lifting and row-aligning walking device as claimed in claim 1, wherein: the structure of middle altitude mixture control subassembly, side altitude mixture control subassembly one and side altitude mixture control subassembly two is the same, middle altitude mixture control subassembly includes the altitude mixture control pneumatic cylinder, is equipped with the altitude mixture control pole that can be reciprocal linear motion on the altitude mixture control pneumatic cylinder, the stiff end of altitude mixture control pneumatic cylinder is articulated with middle support frame, and the one end that the altitude mixture control pole slope stretches out downwards articulates there is the wheel carrier, the upper portion and the middle support frame of wheel carrier are articulated, and middle gauge wheel rotationally connects the lower part at the wheel carrier.

3. The lifting and row-aligning walking device as claimed in claim 1, wherein: the front side of the first side lifting frame is provided with a first guide rail, and the first side supporting frame can slide along the first guide rail; a second guide rail is arranged on the front side of the second side lifting frame, and the second side supporting frame can slide along the second guide rail; the front side of the side fixing frame is fixedly connected with a first opposite-moving hydraulic cylinder, the first opposite-moving hydraulic cylinder is connected with a first opposite-moving push-pull rod capable of performing reciprocating linear movement in the left-right direction, the end part, extending outwards, of the first opposite-moving push-pull rod is connected with a first sliding block, the first side lifting frame is provided with a first sliding groove, the first sliding block is slidably connected into the first sliding groove, one outwards side of the first sliding block is provided with at least one first clamp body, the upper side of the side supporting frame is fixedly connected with at least one first connecting column, the first side supporting frame is matched with a second clamp body, and the second clamp body connects the first connecting column with the second; the front side of side mount has linked firmly logical pneumatic cylinder two to going, it can be in the left and right sides direction to go to be connected with the push-and-pull rod two to going of reciprocating linear motion to go on the pneumatic cylinder two to going, the end connection that the push-and-pull rod two outwards stretches out has sliding block two, it has sliding tray two to open on the side crane one, sliding block two slidable ground connects in sliding tray two, sliding block two one side outwards is equipped with at least one clamp body three, the upside of side support frame has linked firmly at least one spliced pole two, with clamp body three phase cooperation be clamp body four, clamp body four links together spliced pole and clamp body three.

4. A lifting and opposite walking device according to any one of claims 1 to 3, characterized in that: the rear side of the side lifting frame II is hinged to a fixed end of the position adjusting hydraulic cylinder II, a position adjusting rod II capable of doing reciprocating linear motion is arranged on the position adjusting hydraulic cylinder II, and the end portion, extending out of the position adjusting rod II, of the position adjusting hydraulic cylinder II is hinged to the rear side of the middle lifting frame.

5. A lifting and opposite walking device according to any one of claims 1 to 3, characterized in that: the middle supporting frame, the first side supporting frame and the second side supporting frame are respectively provided with two height-adjustable middle height adjusting assemblies, a first side height adjusting assembly and a second side height adjusting assembly, two middle depth wheels are arranged in a central symmetry mode in the left-right direction relative to the middle lifting frame, two first side depth wheels are arranged in a central symmetry mode in the left-right direction relative to the first side supporting frame, and two second side depth wheels are arranged in a central symmetry mode in the left-right direction relative to the second side supporting frame.

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