CN215711590U

CN215711590U - Perpendicular landing leg structure and engineering machine tool

Info

Publication number: CN215711590U
Application number: CN202121045546.0U
Authority: CN
Inventors: 张建新; 陆进添; 邓彧
Original assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Current assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-02-01
Anticipated expiration: 2031-05-17

Abstract

The utility model provides a vertical supporting leg structure and engineering machinery, and belongs to the technical field of supporting leg support. The vertical supporting leg structure comprises a vertical fixing leg, a vertical oil cylinder and a travel switch. The top is provided with the limiting plate subassembly in the perpendicular fixed leg, be provided with the stop part on the limiting plate subassembly, perpendicular hydro-cylinder sets up in the perpendicular fixed leg, the top of perpendicular hydro-cylinder is provided with the otic placode subassembly, the otic placode subassembly is suitable for so that the perpendicular hydro-cylinder is perpendicular fixed leg relatively and reciprocates under the direction of limiting plate subassembly, the otic placode subassembly is suitable for and moves down along with perpendicular hydro-cylinder until conflicting stop part, perpendicular hydro-cylinder still is provided with the trigger lever, travel switch sets up in the perpendicular fixed leg, travel switch is provided with the pendulum rod, when the perpendicular hydro-cylinder moves up to the bottom of conflicting limiting plate subassembly relatively perpendicular fixed leg, the trigger lever is suitable for promoting the pendulum rod. The processing cost of the supporting leg and the labor cost of assembly are reduced.

Description

Perpendicular landing leg structure and engineering machine tool

Technical Field

The utility model relates to the technical field of supporting leg support, in particular to a vertical supporting leg structure and engineering machinery.

Background

The high altitude construction car is one kind and is used for assisting the staff, for the staff provides high altitude construction platform's mechanical vehicle, current high altitude construction car is when using, in order to guarantee the stability ability of whole automobile body, improve high altitude construction's security performance, all can install the supporting leg, support whole vehicle, and simultaneously, in order to guarantee can detect whether the landing leg supports and targets in place, traditional landing leg structure triggers travel switch and judges through the removal of hydro-cylinder relatively fixed landing leg, but in order to realize this detection function, lead to the machining of landing leg too much, the cost of labor of processing cost and assembly is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reduce the processing cost and the labor cost of assembly of the support leg.

To solve the above problems, the present invention provides a vertical leg structure, comprising:

the top of the inner part of each vertical fixing leg is provided with a limiting plate assembly, and a blocking part is arranged on the limiting plate assembly;

the vertical oil cylinder is arranged in the vertical fixing leg, an ear plate assembly is arranged at the top of the vertical oil cylinder, the ear plate assembly is suitable for enabling the vertical oil cylinder to move up and down relative to the vertical fixing leg under the guidance of the limiting plate assembly, the ear plate assembly is suitable for moving down along with the vertical oil cylinder until the ear plate assembly abuts against the blocking part, and the vertical oil cylinder is further provided with a trigger rod; and

the travel switch is arranged in the vertical fixing leg and provided with a swing rod, and when the vertical oil cylinder moves upwards relative to the vertical fixing leg until the vertical oil cylinder abuts against the bottom of the limiting plate assembly, the trigger rod is suitable for pushing the swing rod.

Furthermore, the bottom of the vertical fixing leg is provided with a fixing ring seat for the vertical oil cylinder to pass through, and the fixing ring seat is used for preventing the vertical oil cylinder from deflecting.

Further, the inner diameter of the fixed ring seat is matched with the outer diameter of the vertical oil cylinder, a notch groove is formed in the inner ring of the fixed ring seat, and the notch groove is suitable for allowing a pipe fitting at the periphery of the vertical oil cylinder to pass through.

Further, the limiting plate assembly comprises a limiting plate, the blocking part comprises at least one stop lever, and the stop lever is arranged at the bottom of the limiting plate;

the otic placode subassembly includes two otic placodes, two the otic placode is located respectively the both sides of limiting plate, and two the lateral wall of otic placode all with the lateral wall butt of limiting plate.

Further, the limiting plate assembly comprises two limiting plates, the blocking part comprises at least one stop lever, and the stop lever is arranged at the bottom of each limiting plate;

the otic placode subassembly includes an otic placode, the otic placode is located two between the limiting plate, and two the lateral wall of limiting plate all with the lateral wall butt of otic placode.

Furthermore, the limiting plate is provided with a screw hole, the stop lever is a bolt, and the stop lever is in threaded connection with the screw hole.

Furthermore, the limiting plate comprises a limiting plate body, two ends of the limiting plate body are provided with first protruding plates downwards, and the stop lever is arranged at the first protruding plates; the ear plate comprises an ear plate body, second protrusions are arranged at two ends of the top of the ear plate body outwards, the second protrusions are located above the stop levers, and the ear plate body is suitable for passing through the stop levers vertically.

Furthermore, the vertical fixing legs are of a box body structure with a hollow interior, and the top ends and one side ends of the vertical fixing legs are arranged in an opening mode.

Furthermore, the limiting plate assembly is welded with the vertical fixing leg, and the lug plate assembly is welded with the vertical oil cylinder.

In addition, the utility model also provides engineering machinery, and the engineering machinery comprises the vertical supporting leg structure.

Since the technical improvement of the construction machine is the same as that of the vertical leg structure, the construction machine will not be described herein again.

Compared with the prior art, the vertical supporting leg structure and the engineering machinery provided by the utility model have the following technical effects:

the vertical fixing leg is fixedly connected with engineering machinery such as a vehicle, the vertical oil cylinder is arranged in the vertical fixing leg, the vertical fixing leg extends out of the bottom of the vertical oil cylinder to realize support, the vertical oil cylinder is enabled to move up and down relative to the vertical fixing leg under the guidance of the limiting plate component through the lug plate component, the space for the lug plate component to move downwards is limited through the blocking part on the limiting plate component, namely, the vertical oil cylinder moves downwards gradually away from the limiting plate component until the lug plate component is limited by the blocking part, the space for the vertical oil cylinder to move upwards is limited through the limiting plate component, namely, the vertical oil cylinder integrally moves upwards to abut against the bottom of the limiting plate component and stops (at the moment, the lug plate component moves upwards to be away from the blocking part), the vertical oil cylinder integrally can be enabled to slightly move in the vertical direction, and thus, when the bottom of the vertical oil cylinder is not supported, the vertical oil cylinder moves downwards under the self gravity until the blocking part of the lug plate component, when the vertical oil cylinder is required to support, the vertical oil cylinder is controlled to extend, namely, a piston rod of the vertical oil cylinder extends downwards until the piston rod abuts against the ground, the vertical oil cylinder integrally moves upwards to abut against the limiting plate component along with the continuous oil feeding of a rodless side oil cavity of the vertical oil cylinder, when the vertical oil cylinder moves upwards to abut against the limiting plate component, the oscillating rod is upwards rotated by a trigger rod on the vertical oil cylinder and is detected by a travel switch, and at this time, the bottom of the vertical oil cylinder is supported in place, namely, the vertical supporting structure is supported in place. The vertical supporting leg structure is less in machining, the limiting plate assembly and the lug plate assembly form a sliding block and sliding groove structure similar to a sliding block and capable of achieving vertical movement of the vertical oil cylinder, a hole structure and a groove structure are not required to be machined on the vertical oil cylinder and the vertical fixing leg, the structure is simple, production cost is reduced, and assembly is more convenient.

Drawings

FIG. 1 is a schematic side view of a portion of a vertical leg configuration of an embodiment of the present invention;

FIG. 2 is a schematic block diagram of a portion of a vertical leg configuration of an embodiment of the present invention;

FIG. 3 is a first schematic front view of a portion of a vertical leg configuration according to an embodiment of the present invention;

FIG. 4 is a schematic block diagram of the vertical leg structure as a whole in accordance with an embodiment of the present invention;

FIG. 5 is a schematic front view of the vertical leg structure in its entirety according to an embodiment of the present invention;

FIG. 6 is a schematic block diagram of a vertical mounting leg of an embodiment of the present invention;

FIG. 7 is a second schematic block diagram of a portion of a vertical leg configuration in accordance with an embodiment of the present invention;

FIG. 8 is a second schematic front view of a portion of the vertical leg structure of an embodiment of the present invention;

FIG. 9 is a schematic side view illustration of a portion of a vertical leg structure in accordance with an embodiment of the present invention.

Description of reference numerals:

1-vertical fixing leg, 11-limiting plate, 111-limiting plate body, 112-first protrusion plate, 1121-screw hole, 2-vertical oil cylinder, 21-trigger bar, 22-lug plate, 221-lug plate body, 222-second protrusion, 3-travel switch, 31-swing bar, 4-fixing ring seat, 41-notch groove and 5-stop bar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis represents a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents the longitudinal direction, i.e., the front-rear position, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the front and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the rear; in the drawings, the Y-axis represents the lateral, i.e., left-right, position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) represents the right, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the left.

It should also be noted that the Z, X, Y axes are merely used to facilitate describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be constructed and operated in a particular orientation and therefore should not be considered as limiting the utility model.

Referring to fig. 1, 2 and 3, a vertical leg structure according to an embodiment of the present invention includes a vertical fixing leg 1, a vertical cylinder 2 and a travel switch 3. A limiting plate component is arranged at the top in the vertical fixing leg 1, a blocking part is arranged on the limiting plate component, the vertical oil cylinder 2 is arranged in the vertical fixing leg 1, the bottom of the vertical oil cylinder 2 penetrates through the vertical fixing leg 1, an ear plate component is arranged at the top of the vertical oil cylinder 2, the ear plate component is suitable for enabling the vertical oil cylinder 2 to move up and down relative to the vertical fixing leg 1 under the guiding of the limiting plate component, the ear plate component is suitable for moving down along with the vertical oil cylinder 2 until the ear plate component abuts against the blocking part, the vertical oil cylinder 2 is further provided with a trigger rod 21, the travel switch 3 is arranged in the vertical fixing leg 1, and the travel switch 3 is provided with a swing rod 31; when the vertical oil cylinder 2 moves upwards relative to the vertical fixing leg 1 until the vertical oil cylinder abuts against the bottom of the limiting plate assembly, the trigger rod 21 is suitable for pushing the swing rod 31.

Here, the vertical fixing leg 1 is fixedly connected with engineering machinery such as a vehicle, the vertical oil cylinder 2 is arranged in the vertical fixing leg 1, the vertical fixing leg 1 is extended out from the bottom of the vertical oil cylinder 2 to realize support, the vertical oil cylinder 2 is enabled to move up and down relative to the vertical fixing leg 1 under the guidance of the limiting plate component through the lug plate component, the space for the lug plate component to move down is limited through the blocking part on the limiting plate component, namely, the vertical oil cylinder 2 moves down and gradually keeps away from the limiting plate component until the lug plate component is limited by the blocking part, the space for the vertical oil cylinder 2 to move up is limited through the limiting plate component, namely, the vertical oil cylinder 2 is stopped when the whole body moves up and collides with the bottom of the limiting plate component (at the moment, the lug plate component moves up and keeps away from the blocking part), the vertical oil cylinder 2 can be slightly moved in the vertical direction, thus, when the bottom of the vertical oil cylinder 2 is not supported, the vertical oil cylinder 2 moves downwards under the self gravity until the lug plate assembly collides with the stop part, when the vertical oil cylinder 2 is required to support, the vertical oil cylinder 2 is controlled to extend, namely a piston rod of the vertical oil cylinder 2 extends downwards until the piston rod abuts against the ground, after the piston rod of the vertical oil cylinder 2 abuts against the ground, the vertical oil cylinder 2 integrally moves upwards until the vertical oil cylinder abuts against the limit plate assembly along with the continuous oil feeding of a rodless side oil cavity of the vertical oil cylinder 2, when the vertical oil cylinder 2 moves upwards to abut against the limit plate assembly, the trigger rod 21 on the vertical oil cylinder 2 rotates the swing rod 31 upwards, and the detection is carried out by the travel switch 3, which indicates that the bottom of the vertical oil cylinder 2 is supported in place, namely the vertical support structure is supported in place. The perpendicular landing leg structure machine tooling of this embodiment is less, constitutes perpendicular hydro-cylinder 2 through spacing board subassembly and otic placode subassembly and realizes the similar slider spout structure of vertical removal, need not machine at perpendicular hydro-cylinder 2 and perpendicular fixed leg 1 and process a hole structure, groove structure, and simple structure has not only reduced manufacturing cost, also more conveniently assembles.

It should be noted that, in the conventional vertical leg structure, in order to realize that the vertical cylinder integrally moves in the vertical fixing leg in the up-down direction, a waist hole penetrating through the radial direction is formed at the top of the vertical cylinder, the waist hole is similar to a long round hole, a shaft pin mounting hole is formed at the top of the vertical fixing leg, then the shaft pins are mounted in two symmetrical shaft pin mounting holes to realize the fixing of the shaft pins and the vertical fixing leg, and the shaft pins are inserted into the waist hole of the vertical cylinder, the width of the waist hole is equal to the diameter of the shaft pins, the length of the waist hole is slightly larger than the diameter of the shaft pins, so that the vertical cylinder is ensured to slightly move up and down relative to the vertical fixing leg through the matching of the shaft pins and the waist hole, but in the conventional vertical leg structure, at least one waist hole and two shaft pin mounting holes are required to be formed, and the forming of the waist hole and the shaft pin mounting hole requires machining operation, so that the machining cost is high, meanwhile, the assembly cost is high, and the assembly is complex.

It can be understood that, in the present embodiment, the bottom of the vertical cylinder 2, i.e. the bottom end of the piston rod of the vertical cylinder 2, is provided with a support seat, and the support seat is abutted against the ground to realize the supporting function. Preferably, the support seat is ball-hinged with the bottom end of the piston rod of the vertical cylinder 2.

Referring to fig. 4, 5 and 6, optionally, a fixing ring seat 4 for the vertical cylinder to pass through is provided at the bottom of the vertical fixing leg 1, and the fixing ring seat 4 is used for limiting the vertical cylinder 2 to move in the vertical direction, so as to prevent the vertical cylinder 2 from swinging.

Here, because the limiting plate assembly is located at the top of the vertical fixing leg 1, and the ear plate assembly is located at the top of the vertical cylinder 2, when the limiting plate assembly is guided in the vertical direction, the bottom of the vertical cylinder 2 may be subjected to unbalance loading to cause deflection, or the limiting plate assembly and the ear plate assembly are damaged due to unbalance loading, so that the stability of the vertical cylinder 2 can be enhanced by providing the fixing ring seat 4 at the bottom of the vertical fixing leg 1.

Of course, other fixing devices may be used instead of the fixing ring seat 4, so as to fix the vertical cylinder 2 only to move up and down.

Referring to fig. 4, optionally, the inner diameter of the fixing ring seat 4 matches the outer diameter of the vertical cylinder 2, and a notch groove 41 is formed in an inner ring of the fixing ring seat 4, and the notch groove 41 is suitable for allowing a pipe fitting at the outer periphery of the vertical cylinder 2 to pass through.

Here, when the vertical cylinder 2 is moved up and down, the pipe member on the vertical cylinder 2 is moved up and down along the notch groove 41.

Referring to fig. 1, 6, 7 and 9, optionally, the limiting plate assembly includes a limiting plate 11, the blocking portion includes at least one stop lever 5, and the stop lever 5 is disposed at the bottom of the limiting plate 11;

the otic placode subassembly includes two otic placodes 22, two the otic placode 22 is located respectively the both sides of limiting plate 11 thickness direction, and two the lateral wall of otic placode 22 all with the lateral wall butt of limiting plate 11.

Here, at least, the number of limiting plates 11 in the limiting plate assembly plus the number of lugs 22 in the lug assembly is three, that is, the limiting plate 11 can be one, the lugs 22 are two, the two lugs 22 arranged at intervals form a guide groove, the limiting plate 11 located between the two lugs 22 is equivalent to a slider, at the moment, the slider is fixed, the guide groove moves upwards relative to the slider along with the upwards movement of the vertical cylinder 2, and thus, a similar slider chute structure that the vertical cylinder 2 moves vertically is formed.

Optionally, the limiting plate assembly comprises two limiting plates 11, the blocking part comprises at least one stop lever 5, and the stop lever 5 is arranged at the bottom of the limiting plate 11;

the otic placode subassembly includes an otic placode 22, otic placode 22 is located two between the limiting plate 11, and two the lateral wall of limiting plate 11 all with the lateral wall butt of otic placode 22.

Similarly, at least, the number of the limiting plates 11 in the limiting plate assembly and the number of the lug plates 22 in the lug plate assembly are three, that is, the limiting plates 11 are two, the lug plates are one, the two limiting plates 11 arranged at intervals form a guide groove, the lug plates 22 between the two limiting plates 11 are equivalent to a sliding block, at the moment, the guide groove is fixed, the sliding block moves upwards along with the upwards moving vertical oil cylinder 2 relative to the guide groove, and thus, a similar sliding block sliding groove structure for realizing vertical movement of the vertical oil cylinder 2 is formed.

Referring to fig. 6 and 7, optionally, the limiting plate assembly is provided with a screw hole 1121, the stop lever 5 is a bolt, and the stop lever 5 is screwed into the screw hole 1121.

Wherein, "the limit plate subassembly has seted up screw 1121" means that the limit plate 11 in the limit plate subassembly has seted up screw 1121, and simultaneously, pin 5 is the bolt, through the detachable connected mode of pin 5 and limit plate 11, makes things convenient for the installation of perpendicular hydro-cylinder 2, waits after perpendicular hydro-cylinder 2 puts into perpendicular fixed leg 1, again with pin 5 threaded connection in screw 1121.

Of course, the stop lever 5 may be formed integrally with the limit plate 11, so as to further reduce the machining to form a screw hole.

Referring to fig. 5, 6 and 8, optionally, the position-limiting plate 11 includes a position-limiting plate body 111, first protruding plates 112 are disposed at two ends of the position-limiting plate body 111 facing downwards, and the blocking rod 5 is disposed at the first protruding plates 112; the ear plate 22 comprises an ear plate body 221, second protrusions 222 are arranged at two ends of the top of the ear plate body 221 outwards, the second protrusions 222 are located above the stop levers 5, and the ear plate body 221 is suitable for vertically penetrating through the stop levers 5.

Here, the two ends of the limiting plate body 111 are provided with first protruding plates 112 facing downwards, that is, the limiting plate 11 is in an inverted U-shaped structure, the stop lever 5 is installed through the first protruding plates 112, and an upward moving space of the vertical oil cylinder 2 is provided through a space between the two first protruding plates 112; the top both ends of otic placode body 221 are provided with second arch 222 outwards, and the otic placode is T shape structure promptly, realizes the restriction cooperation with pin 5 through second arch 222, so sets up, can make the structure compacter.

Referring to fig. 6, optionally, the vertical fixing leg 1 is a box structure with a hollow inside, the top of the vertical fixing leg 1 is open, and the front side of the vertical fixing leg 1 is also open.

Here, the uncovered setting in top of the perpendicular fixed leg 1 that will regard as the box structure, and the uncovered setting in front side with perpendicular fixed leg 1, so, the installation of the limiting plate 11 of being convenient for, the installation of the perpendicular hydro-cylinder 2 of also being convenient for. Meanwhile, the weight, the material and the processing cost of the whole vertical supporting leg structure can be reduced.

Here, the front side of the vertical fixing leg 1 is opened, mainly to facilitate the installation of the vertical cylinder 2, because the vertical fixing leg 1 can also be opened at the rear side or left side or right side.

Optionally, the limiting plate assembly is welded to the vertical fixing leg 1, and the ear plate assembly is welded to the vertical cylinder 2.

Here, through with limiting plate 11 lug welding in the limiting plate subassembly on vertical fixation leg 1, with otic placode 22 lug welding in the otic placode subassembly on vertical cylinder 2, further reduce the required machining of installation limiting plate 11, otic placode 22, more can guarantee structural strength through welded fastening.

The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features indicated. Thus, features defined as "first," "second," "third," and "fourth" may explicitly or implicitly include at least one of the features.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. A vertical leg structure, comprising:

the device comprises a vertical fixing leg (1), wherein a limiting plate assembly is arranged at the top of the inner part of the vertical fixing leg (1), and a blocking part is arranged on the limiting plate assembly;

the vertical oil cylinder (2) is arranged in the vertical fixing leg (1), an ear plate assembly is arranged at the top of the vertical oil cylinder (2) and is suitable for enabling the vertical oil cylinder (2) to move up and down relative to the vertical fixing leg (1) under the guidance of the limiting plate assembly, the ear plate assembly is suitable for moving down along with the vertical oil cylinder (2) until abutting against the blocking part, and a trigger rod (21) is further arranged on the vertical oil cylinder (2); and

travel switch (3), travel switch (3) set up in vertical fixation leg (1), travel switch (3) are provided with pendulum rod (31), work as perpendicular hydro-cylinder (2) are relative vertical fixation leg (1) moves up to contradict during the bottom of spacing board subassembly, trigger lever (21) are suitable for the promotion pendulum rod (31).

2. The vertical leg structure according to claim 1, characterized in that the bottom of the vertical fixed leg (1) is provided with a fixed ring seat (4) for the vertical cylinder (2) to pass through, the fixed ring seat (4) is used for preventing the vertical cylinder (2) from swinging.

3. The vertical leg structure according to claim 2, wherein the inner diameter of the fixing ring seat (4) is matched with the outer diameter of the vertical cylinder (2), and the inner ring of the fixing ring seat (4) is provided with a notched groove (41), wherein the notched groove (41) is suitable for allowing a pipe fitting at the periphery of the vertical cylinder (2) to pass through.

4. The vertical leg arrangement according to claim 1, wherein the hold-down plate assembly comprises a hold-down plate (11), the stop comprises at least one stop lever (5), the stop lever (5) being arranged at the bottom of the hold-down plate (11);

the otic placode subassembly includes two otic placodes (22), two otic placode (22) are located respectively the both sides of limiting plate (11), and two the lateral wall of otic placode (22) all with the lateral wall butt of limiting plate (11).

5. The vertical leg arrangement according to claim 1, characterized in that the hold-down plate assembly comprises two hold-down plates (11), the blocking part comprising at least one stop lever (5), the stop lever (5) being arranged at the bottom of the hold-down plate (11);

the otic placode subassembly includes an otic placode (22), otic placode (22) are located two between limiting plate (11), and two the lateral wall of limiting plate (11) all with the lateral wall butt of otic placode (22).

6. The vertical leg structure according to claim 4 or 5, wherein the limit plate (11) is provided with a screw hole (1121), the stop lever (5) is a bolt, and the stop lever (5) is screwed into the screw hole (1121).

7. The vertical leg structure according to claim 4 or 5, wherein the retainer plate (11) comprises a retainer plate body (111), a first protruding plate (112) is arranged at the two ends of the retainer plate body (111) downwards, and the stop lever (5) is arranged at the first protruding plate (112); the ear plate (22) comprises an ear plate body (221), second protrusions (222) are arranged at two ends of the top of the ear plate body (221) outwards, the second protrusions (222) are located above the stop levers (5), and the ear plate body (221) is suitable for passing through the stop levers (5) vertically.

8. The vertical leg structure according to claim 1, wherein the vertical fixing leg (1) is a box structure with a hollow inside, and the top end and one side end of the vertical fixing leg (1) are open.

9. The vertical leg arrangement according to claim 1, wherein the stop plate assembly is welded to the vertical fixed leg (1) and the ear plate assembly is welded to the vertical cylinder (2).

10. A working machine comprising a vertical leg arrangement as claimed in any one of claims 1 to 9.