CN216520355U - Supporting leg disc and engineering machine - Google Patents

Abstract

The utility model provides a supporting leg disc and engineering machinery, and relates to the technical field of engineering machinery, wherein the supporting leg disc comprises a bottom plate, a force bearing structure, a connecting structure and a limiting structure; the force bearing structure is used for being placed on the bottom plate; one end face of the connecting structure is used for fixing the supporting legs, and the other end face of the connecting structure is used for connecting the bottom plate; the limiting structure is used for detachably connecting the bearing structure to at least one of the bottom plate and the connecting structure. The problem of current leg dish be monolithic structure, inconvenient such as dismouting, transport, deposit is solved.

Description

Supporting leg disc and engineering machine

Technical Field

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

Background

In the operation process of the engineering machinery, in order to keep balance and support load, a support structure such as a support leg is usually used, and the tail end of the support leg is connected with a support leg disc, and the support leg is contacted with the ground through the support leg disc. The supporting leg plate mainly plays a role in reducing the pressure of the supporting leg to the ground, increasing the friction force between the supporting leg and the ground and the like. The common supporting leg disc in the industry at present adopts welding process integrated into one piece, and a single supporting leg disc weighs about 20-50 kg, and dismouting, transport, deposit are inconvenient, and if the supporting leg disc links firmly on the landing leg in the vehicle driving process, probably make the landing leg span restricted because of the car width requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing support leg disc is of an integral structure and is inconvenient to disassemble, assemble, carry, store and the like.

In order to solve the above problems, the present invention provides a leg plate, comprising:

a base plate;

the force bearing structure is used for being placed on the bottom plate;

the connecting structure is used for fixing the supporting legs on one end face, and the other end face is used for connecting the bottom plate; and

and the limiting structure is used for detachably connecting the bearing structure to at least one of the bottom plate and the connecting structure.

Compared with the prior art, the supporting leg disc provided by the utility model has the following beneficial effects that:

when the supporting leg disc works, force is transmitted to the bearing structure through the connecting structure and then transmitted to the bottom plate, finally transmitted to bearing surfaces such as the ground through the bottom plate, and the bearing structure is arranged between the connecting structure and the bottom plate, so that the force is provided with a transition zone between the connecting structure and the bottom plate, the force can be dispersed on the bottom plate and is not concentrated on a certain part of the bottom plate, and the whole bearing effect of the supporting leg disc is better. The supporting leg disc can be used on a crane, and the bearing structure can be detachably connected with the connecting structure and the bottom plate through the limiting structure, so that different-tonnage cranes only need to replace the connecting structure to adapt to supporting legs of different sizes. Through the dismantlement connection between bearing structure and the bottom plate, the accessible chooses the bearing structure of co-altitude for use, but the height of small range adjustment leg dish effectively improves hoist working capacity. This support leg disc simple structure, support leg disc realize the modularized design by connection structure, load structure and bottom plate, and support leg disc installation is simple and easy, and easy dismouting, storage, transport have reduced support leg disc parking space requirement.

Further, limit structure includes the fastener, the last correspondence of connection structure the fastener is equipped with first installation department, the last correspondence of load structure the fastener is equipped with the second installation department, the fastener is used for wearing to establish first installation department and can dismantle connect in the second installation department.

Further, limit structure includes:

the first inserting part is arranged on one end face of the force bearing structure opposite to the bottom plate; and

the second inserting part is arranged on one end face of the bottom plate opposite to the force bearing structure;

the first inserting part is used for being matched with the second inserting part so as to limit the force bearing structure and the bottom plate to move back to back in the vertical direction.

Further, the first inserting part is one of a guide groove and a guide strip, the second inserting part is the other of the guide groove and the guide strip, and the guide strip is suitable for being inserted into the guide groove along the horizontal direction.

Further, connection structure includes flange portion, ball seat and first butt joint structure, the ball seat set up in the top of flange portion, the ball seat is seted up and is used for fixing the mounting groove of landing leg, the bottom plate includes bottom plate body and second butt joint structure, the second butt joint structure set up in the top of bottom plate body, first butt joint structure be suitable for with the second butt joint structure cup joints, the bearing structure is arranged in the flange portion with between the bottom plate.

Further, the bottom plate body comprises a plurality of detachably connected split plates, and the split plates are suitable for being arranged in a surrounding mode to form the bottom plate.

Furthermore, in the splicing direction of the split plates, the two ends of each split plate are respectively provided with the second splicing parts, the bottom of each force bearing structure is provided with two first splicing parts, and the two second splicing parts close to each other on the two adjacent split plates are suitable for being respectively matched with the two first splicing parts of one force bearing structure;

the radial end of the split plate is also provided with a boss, and the bosses on the split plates are suitable for being spliced into the second butt joint structure.

Further, the cross sections of the guide grooves and the guide strips are wedge-shaped.

In addition, the utility model also provides engineering machinery comprising the support leg disc.

Since the technical improvement and the technical effect of the construction machine are the same as those of the leg plate, the technical effect of the construction machine will not be described in detail.

Drawings

FIG. 1 is a schematic exploded view of a headboard according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a connecting structure of the embodiment of the utility model;

FIG. 3 is a schematic block diagram of a base plate of an embodiment of the present invention;

fig. 4 is a schematic structural view of a force bearing structure of the embodiment of the utility model;

fig. 5 is a schematic side view of a force-bearing structure of an embodiment of the utility model;

fig. 6 is a schematic top view of a force-bearing structure of an embodiment of the utility model.

Description of reference numerals:

1-connecting structure, 11-flange part, 12-ball seat, 121-mounting groove, 13-first butt joint structure, 2-bearing structure, 3-bottom plate, 31-bottom plate body, 311-split plate, 32-second butt joint structure, 321-boss, 4-fastener, 5-guide groove and 6-guide strip.

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", "horizontal", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the 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.

It should also be noted that the foregoing Z-axis is meant only to facilitate the description of the utility model and to simplify the description, and is 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, the leg plate of the embodiment of the present invention includes a bottom plate 3, a force bearing structure 2, a connecting structure 1 and a limiting structure; the force bearing structure 2 is used for being placed on the bottom plate 3; one end face of the connecting structure 1 is used for fixing the supporting leg, and the other end face is used for connecting the bottom plate 3; the limiting structure is used for detachably connecting the bearing structure 2 to at least one of the bottom plate 3 and the connecting structure 1.

When the supporting leg disc works, force is transmitted to the bearing structure 2 through the connecting structure 1 and then transmitted to the bottom plate 3, finally transmitted to bearing surfaces such as the ground through the bottom plate 3, and the bearing structure 2 is arranged between the connecting structure 1 and the bottom plate 3, so that the force is provided with a transition zone between the connecting structure 1 and the bottom plate 3, the force can be dispersed on the bottom plate 3 and is unlikely to be concentrated at a certain part of the bottom plate 3, and the whole bearing effect of the supporting leg disc is better.

The supporting leg disc can be used on a crane, and as the bearing structure 2 can be detachably connected with the connecting structure 1 and the bottom plate 3 through the limiting structure, the connecting structure 1 only needs to be replaced for supporting legs with different sizes for cranes with different tonnages.

Through the dismantlement connection between bearing structure 2 and the bottom plate 3, the accessible chooses for use not bearing structure 2 of co-altitude, but the height of small-range adjustment leg dish effectively improves hoist working capacity.

This leg dish simple structure, leg dish realizes modular design by connection structure 1, load structure 2 and bottom plate 3, and the installation of leg dish is simple and easy, and easy dismouting, storage, transport have reduced the leg dish parking space requirement.

Optionally, limit structure includes fastener 4, correspond on the connection structure 1 fastener 4 is equipped with first installation department, correspond on the bearing structure 2 fastener 4 is equipped with the second installation department, fastener 4 is used for wearing to establish first installation department and can dismantle connect in the second installation department.

Here, the first mounting portion may be a first hole opened on the connecting structure 1, the second mounting portion may be a second hole opened on the force bearing structure 2, and at least one of the first hole and the second hole may be a threaded hole for screwing with the fastener 4, wherein the fastener 4 may be a bolt.

Optionally, the limiting structure further comprises a first inserting part and a second inserting part, and the first inserting part is arranged on one end face of the force bearing structure 2 opposite to the bottom plate 3; the second inserting part is arranged on one end face of the bottom plate 3 opposite to the force bearing structure 2;

the first inserting part is used for being matched with the second inserting part so as to limit the force bearing structure 2 and the bottom plate 3 to move back to back in the vertical direction. Wherein the vertical direction refers to the Z-axis direction.

Here, bottom plate 3 and load structure 2 can be dismantled with the form of pegging graft through first grafting portion and second grafting portion and be connected, do not need extra fastener to connect both fixed, and after reconnection structure 1 and load structure 2 dismantled, direct horizontal migration load structure 2 can accomplish the dismantlement between load structure 2 and the bottom plate 3, and is high-efficient convenient.

Optionally, the first mating part is one of a guide slot 5 and a guide bar 6, the second mating part is the other of the guide slot 5 and the guide bar 6, and the guide bar 6 is adapted to be inserted into the guide slot 5 in a horizontal direction.

It should be noted that the horizontal direction refers to a direction parallel to the horizontal plane, which is a plane perpendicular to the Z axis.

Here, the guide groove 5 and the guide strip 6 should satisfy a certain shape to ensure that they are not separated in the vertical direction after being engaged in the horizontal direction. For example, the guide groove 5 is a T-shaped groove, and the guide strip 6 is a T-shaped guide strip corresponding thereto.

Referring to fig. 1 and 2, optionally, the connecting structure 1 includes a flange portion 11, a ball seat 12, and a first docking structure 13, the ball seat 12 is disposed on a top of the flange portion 11, the ball seat 12 is provided with a mounting groove 121 for fixing the support leg, the bottom plate 3 includes a bottom plate body 31 and a second docking structure 32, the second docking structure 32 is disposed on a top of the bottom plate body 31, the first docking structure 13 is adapted to be sleeved with the second docking structure 32, for example, the first docking structure 13 is adapted to be sleeved on the second docking structure 32, or the second docking structure 32 is adapted to be sleeved on the first docking structure 13, and the force-bearing structure 2 is disposed between the flange portion 11 and the bottom plate 3.

Here, the ball seat 12 is used for forming the mounting groove 121, the diameter of the ball seat 12 does not need to be too large, the first butt joint structure 13 is used for butt joint with the second butt joint structure 32 on the base plate 3, the relative mounting positions of the connecting structure 1 and the base plate 3 are ensured to be in place through mutual sleeving of the first butt joint structure 13 and the second butt joint structure 32, the connecting structure is conveniently connected with the bearing structure 2, the flange part 11 in the middle is used for connecting with the bearing structure 2, the diameter of the flange part is larger than that of the ball seat, and the flange part 11 is provided with a hole, namely, the first hole formed in the connecting structure 1.

Referring to fig. 1, optionally, a plurality of force bearing structures 2 are distributed in a ring shape between the connecting structure 1 and the bottom plate 3.

Here, the force can be uniformly distributed at each position of the bottom plate 3 by the plurality of force bearing structures 2 annularly distributed between the connecting structure 1 and the bottom plate 3, particularly between the flange part and the bottom plate, so that the force is prevented from being concentrated at a certain position of the bottom plate 3.

Referring to fig. 3, the bottom plate body 31 may optionally comprise a detachably connected split plate, and a plurality of split plates 311 may be arranged around the split plate to form the bottom plate.

Here, the bottom plate body 31 is formed by splicing a plurality of split plates 311, so that the bottom plate is designed in a modular manner, and storage, transportation and the like are facilitated.

Here, the shape of the bottom plate body 31 is not limited, and is preferably circular.

Referring to fig. 3, optionally, in the splicing direction of the split plate 311, two ends of the split plate 311 are respectively provided with a second plugging portion, the bottom of the force-bearing structure 2 is provided with two first plugging portions, and two second plugging portions adjacent to each other on two adjacent split plates 311 are adapted to be respectively matched with the two first plugging portions of one force-bearing structure 2;

a boss 321 is further disposed at one radial end of the split plate 311, and the bosses 321 on the split plates 311 are suitable for being spliced into the second butt joint structure 32.

Here, two adjacent split plates 311 are connected together by one force-bearing structure 2, for example, if the bottom plate body 31 is formed by splicing four split plates 311, four force-bearing structures 2 are needed to connect the four split plates 311 into a whole. When the plurality of split plates 311 form the bottom plate body 31, the plurality of bosses 321 are simultaneously spliced to form the second butt joint structure 32.

Referring to fig. 3 to 6, the guide grooves 5 and the guide strips 6 are optionally wedge-shaped in cross-section. For example, the guide groove 5 is arranged on the bottom plate 3, the guide strip 6 is arranged on the force bearing structure 2, the width from the top notch of the guide groove 5 to the bottom groove body is gradually increased, and correspondingly, the width of the guide strip 6 is gradually increased from the top to the bottom. Or the guide groove is arranged at the bottom of the force bearing structure, and the width of the guide groove from the bottom notch to the bottom of the top groove is gradually increased. Thus, the guide bar 6 is inserted into the guide groove 5 in the horizontal direction, and the guide bar and the guide groove are not separated from each other in the vertical direction.

Optionally, the load-bearing structure 2 comprises a box, the inside of which is adapted to be filled with sand.

The box body can be a closed box body, sand bodies and the like are filled inside the box body (specific filling media can be ordinary sand or iron sand or high-density media selected according to the use working condition and the vehicle body bearing), and the bearing capacity of the supporting leg disc can be effectively enhanced.

Wherein, the box body filling type closed structure can adopt a casting structure.

Besides, the force bearing structure 2 can also adopt a solid structure such as a cuboid, a trapezoid and the like.

In addition, the engineering machinery of the further embodiment of the utility model comprises the support leg disc.

Since the technical improvement and the technical effect of the construction machine are the same as those of the leg plate, the technical effect of the construction machine will not be described in detail.

Alternatively, the work machine may be a crane.

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

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 (10)

1. A headboard, comprising:

a base plate (3);

the force bearing structure (2) is used for being placed on the bottom plate (3);

the connecting structure (1), one end face of the connecting structure (1) is used for fixing the supporting leg, and the other end face of the connecting structure is used for connecting the bottom plate (3); and

the limiting structure is used for detachably connecting the force bearing structure (2) to at least one of the bottom plate (3) and the connecting structure (1).

2. The supporting leg disc as claimed in claim 1, wherein the limiting structure comprises a fastening member (4), a first installation part is arranged on the connecting structure (1) corresponding to the fastening member (4), a second installation part is arranged on the bearing structure (2) corresponding to the fastening member (4), and the fastening member (4) is used for penetrating through the first installation part and detachably connected to the second installation part.

3. The headboard of claim 1, wherein the retaining structure comprises:

the first inserting part is arranged on one end face of the force bearing structure (2) opposite to the bottom plate (3); and

the second inserting part is arranged on one end face of the bottom plate (3) opposite to the force bearing structure (2);

the first inserting part is used for being matched with the second inserting part so as to limit the force bearing structure (2) and the bottom plate (3) to move back to back in the vertical direction.

4. The headboard according to claim 3, characterized in that the first plug-in part is one of a guide slot (5) and a guide strip (6) and the second plug-in part is the other of the guide slot (5) and the guide strip (6), the guide strip (6) being adapted to be inserted into the guide slot (5) in a horizontal direction.

5. The leg disc of claim 3, wherein the connecting structure (1) comprises a flange portion (11), a ball seat (12) and a first abutting structure (13), the ball seat (12) is disposed on the top of the flange portion (11), the ball seat (12) is provided with a mounting groove (121) for fixing the leg, the bottom plate (3) comprises a bottom plate body (31) and a second abutting structure (32), the second abutting structure (32) is disposed on the top of the bottom plate body (31), the first abutting structure (13) is suitable for being sleeved with the second abutting structure (32), and the force-bearing structure (2) is disposed between the flange portion (11) and the bottom plate (3).

6. The headboard according to claim 5, characterized in that a plurality of said force-bearing structures (2) are distributed annularly between said connecting structure (1) and said bottom plate (3).

7. The headboard of claim 5, wherein the bottom plate body (31) comprises a plurality of detachably connected split plates (311), the plurality of split plates (311) being adapted to be arranged around to form the bottom plate (3).

8. The leg plate according to claim 7, wherein in the splicing direction of the split plate (311), the two ends of the split plate (311) are respectively provided with the second splicing parts, the bottom of the force-bearing structure (2) is provided with two first splicing parts, and two adjacent second splicing parts on two adjacent split plates (311) are adapted to be respectively matched with the two first splicing parts of one force-bearing structure (2);

a boss (321) is arranged at one radial end of each split plate (311), and the bosses (321) on the split plates (311) are suitable for being spliced into the second butt joint structure (32).

9. The headboard according to claim 4, characterized in that the guide grooves (5) and the guide strips (6) are wedge-shaped in cross-section.

10. A working machine comprising a headboard according to any one of claims 1 to 9.

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