CN216303127U

CN216303127U - Engineering machinery

Info

Publication number: CN216303127U
Application number: CN202122507228.8U
Authority: CN
Inventors: 刘少奎; 黄皓; 许权宁
Original assignee: Changan University
Current assignee: Huang Pingrong; Wang Jinlin
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-15
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an engineering machine, relating to the technical field of engineering machines, comprising: a support block; the auxiliary mechanisms are distributed inside and on the outer wall of the supporting block and used for increasing the contact area of the supporting block and the ground, and each auxiliary mechanism comprises a rotating block, a rotating seat, a telescopic column, a straight gear, a rack and a moving block. According to the utility model, by arranging the auxiliary mechanism, when the hydraulic push rod drives the supporting block to support the bracket, when the movable block is in contact with the ground, the telescopic column is extruded by the extrusion force of the ground to move to the inner wall of the supporting block, the rack is driven to move upwards when the supporting block moves, so that the straight gear is driven to rotate, the rotating block is driven to rotate by the rotation of the straight gear, when the supporting block is in contact with the ground, one end of the rotating block rotates to the ground, so that the contact area between the supporting block and the ground is increased, and the bearing capacity of the supporting block is improved.

Description

Engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to engineering machinery.

Background

In order to improve the lifting capacity of the crane and increase the stability of the complete machine against overturning, a plurality of supporting legs are generally arranged on a frame chassis of the crane, and in order to obtain a larger supporting leg span, the supporting legs are usually of a multi-stage telescopic structure.

The existing crane supporting legs generally drive supporting blocks through hydraulic push rods to achieve a telescopic function, the hydraulic push rods need workers to maintain regularly in the process of long-time use, however, the existing hydraulic push rods are complex when being mounted and dismounted with a crane support, the workers cannot conveniently and rapidly mount and dismount the hydraulic push rods and the crane support, the existing crane supporting legs are generally supported through the supporting blocks, the contact area between the supporting blocks and the ground cannot be increased, and therefore the bearing capacity of the supporting blocks is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the engineering machine is provided for solving the problems that a hydraulic push rod is more complicated and the contact area between a supporting block and the ground cannot be increased when the hydraulic push rod is mounted and dismounted with a crane support.

In order to achieve the purpose, the utility model provides the following technical scheme: a work machine comprising:

a support;

the connecting block is fixedly connected to the outer wall of the bracket;

the hydraulic push rod is arranged at the bottom end of the connecting block;

and the connecting mechanism is positioned at the top end of the hydraulic push rod and is used for enabling the hydraulic push rod to be connected with the connecting block in a quick assembling and disassembling mode.

As a still further scheme of the utility model: coupling mechanism includes bolt, fixed block, first trapezoidal piece, second trapezoidal piece and slider, the fixed block fixed connection be in hydraulic rod's top, first trapezoidal piece sliding connection be in the fixed block inner wall, slider sliding connection be in the inner wall of fixed block, just the slider is located the top of first trapezoidal piece, second trapezoidal piece fixed connection be in the bottom of slider, the bolt rotation is connected the inner wall of connecting block.

As a still further scheme of the utility model: the inner wall of the connecting block is provided with a mounting groove matched with the fixing block, and the inner wall of the connecting block is provided with a fixing hole matched with the first trapezoid block.

As a still further scheme of the utility model: the outer wall fixedly connected with stopper of first trapezoidal piece, first trapezoidal piece through outer wall fixed connection's stopper with fixed block sliding connection.

As a still further scheme of the utility model: the inner wall of the fixed block is provided with a sliding groove matched with the sliding block, and the inner wall of the fixed block is provided with a threaded hole matched with the bolt.

A leg structure comprising:

a support block;

the distribution is in the inside complementary unit with the outer wall of supporting shoe for increase the area of contact of supporting shoe and ground, complementary unit includes the turning block, rotates the seat, flexible post, straight-teeth gear, rack and movable block, movable block sliding connection be in the inner wall of supporting shoe, flexible post fixed connection be in the top of movable block, rack fixed connection be in the outer wall of movable block, rotate seat fixed connection be in the outer wall of supporting shoe, the turning block rotates to be connected the outer wall of rotating the seat, the straight-teeth gear cup joints the outer wall of turning block, just the straight-teeth gear with rack toothing connects.

As a still further scheme of the utility model: the outer wall of the rotating block is fixedly connected with a rotating shaft, the rotating block is rotatably connected with the rotating seat through the rotating shaft fixedly connected with the outer wall, and the straight gear is sleeved on the outer wall of the rotating block rotating shaft.

As a still further scheme of the utility model: the inner wall of the supporting block is provided with a sliding groove matched with the rack, and the moving block is connected with the supporting block in a sliding mode through the rack.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the connecting mechanism, the bolt is rotated to detach the bolt, the bolt is gradually reduced to extrude the sliding block in the detaching process, the sliding block drives the second trapezoidal block to gradually reset, when the bolt does not extrude the sliding block any more, the sliding block drives the second trapezoidal block to reset, the second trapezoidal block is not contacted with the first trapezoidal block any more, so that the first trapezoidal block is not reset to move to the inner wall of the fixed block by external extrusion force any more, the fixed block is not fixed any more, a worker can detach the hydraulic push rod conveniently, the steps are reversely operated to quickly fix the fixed block on the inner wall of the connecting block, the function of quickly detaching the hydraulic push rod is realized through the matching of the plurality of parts, and the worker can operate conveniently;

2. through setting up complementary unit, when hydraulic push rod drives the supporting shoe and realizes supporting the operation to the support, when the movable block contacts with ground, receive the extrusion force extrusion telescopic column on ground and remove to the supporting shoe inner wall, the supporting shoe drives rack rebound when removing to the drive spur gear is rotatory, the spur gear is rotatory to drive the turning block rotatory, when the supporting shoe contacts with ground, turning block one end is rotated to ground, thereby the area of contact on supporting shoe and ground has been increased, supporting shoe bearing capacity has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a connector block of the present invention;

FIG. 3 is a cross-sectional view of a fixed block and support block of the present invention;

FIG. 4 is an enlarged view of the utility model at A;

fig. 5 is an enlarged view of the utility model at B.

In the figure: 1. a support; 2. connecting blocks; 3. a hydraulic push rod; 4. a support block; 5. an auxiliary mechanism; 501. rotating the block; 502. a rotating seat; 503. a telescopic column; 504. a spur gear; 505. a rack; 506. a moving block; 6. a connecting mechanism; 601. a bolt; 602. a fixed block; 603. a first trapezoidal block; 604. a second trapezoidal block; 605. a slide block.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, in an embodiment of the present invention, an engineering machine includes:

a bracket 1;

the connecting block 2 is fixedly connected to the outer wall of the bracket 1;

the hydraulic push rod 3 is arranged at the bottom end of the connecting block 2;

and the connecting mechanism 6 is positioned at the top end of the hydraulic push rod 3 and used for enabling the hydraulic push rod 3 to be connected with the connecting block 2 in a quick assembling and disassembling mode.

Please refer to fig. 2 and 5, the connecting mechanism 6 includes a bolt 601, a fixing block 602, a first trapezoid block 603, a second trapezoid block 604 and a sliding block 605, the fixing block 602 is fixedly connected to the top end of the hydraulic push rod 3, the first trapezoid block 603 is slidably connected to the inner wall of the fixing block 602, the sliding block 605 is located above the first trapezoid block 603, the second trapezoid block 604 is fixedly connected to the bottom end of the sliding block 605, the bolt 601 is rotatably connected to the inner wall of the connecting block 2, and the quick assembling and disassembling functions of the hydraulic push rod 3 are realized through the cooperation of the above components.

Please refer to fig. 5, an inner wall of the connecting block 2 is provided with a mounting groove matched with the fixing block 602, and an inner wall of the connecting block 2 is provided with a fixing hole matched with the first trapezoid block 603, so that the connecting block 2 is convenient to mount.

Please refer to fig. 5, the outer wall of the first trapezoid block 603 is fixedly connected with a limiting block, and the first trapezoid block 603 is slidably connected with the fixing block 602 through the limiting block fixedly connected with the outer wall, so that the first trapezoid block 603 can slide on the inner wall of the fixing block 602.

Please refer to fig. 5, the inner wall of the fixed block 602 is provided with a sliding slot matching with the sliding block 605, and the inner wall of the fixed block 602 is provided with a threaded hole matching with the bolt 601, so as to facilitate the fixing of the fixed block 602.

Referring to fig. 1-4, in an embodiment of the present invention, a leg structure includes:

a support block 4;

the auxiliary mechanisms 5 are distributed inside and outside the supporting block 4 and used for increasing the contact area between the supporting block 4 and the ground, each auxiliary mechanism 5 comprises a rotating block 501, a rotating seat 502, a telescopic column 503, a spur gear 504, a rack 505 and a moving block 506, the moving block 506 is connected to the inside wall of the supporting block 4 in a sliding mode, the telescopic column 503 is fixedly connected to the top end of the moving block 506, the rack 505 is fixedly connected to the outside wall of the moving block 506, the rotating seat 502 is fixedly connected to the outside wall of the supporting block 4, the rotating block 501 is rotatably connected to the outside wall of the rotating seat 502, the spur gear 504 is sleeved on the outside wall of the rotating block 501, and the spur gear 504 is meshed with the rack 505;

in this embodiment the support block 4 is mounted at the output end of the hydraulic ram 3.

Please refer to fig. 4, the rotation block 501 is rotatably connected to the rotation base 502 via a rotation shaft fixedly connected to an outer wall thereof, and the spur gear 504 is sleeved on the outer wall of the rotation shaft of the rotation block 501 for facilitating the rotation of the spur gear 504.

Please refer to fig. 4 again, the inner wall of the support block 4 is provided with a sliding slot matching with the rack 505, and the moving block 506 is slidably connected with the support block 4 through the rack 505, so that the moving block 506 can slide on the inner wall of the support block 4.

The working principle of the utility model is as follows: firstly, when the hydraulic push rod 3 and the connecting block 2 need to be disassembled and assembled, firstly, the bolt 601 is rotated, the bolt 601 is disassembled, the bolt 601 gradually reduces to extrude the sliding block 605 in the disassembling process, so that the sliding block 605 drives the second trapezoidal block 604 to gradually reset, when the bolt 601 does not extrude the sliding block 605 any more, the sliding block 605 drives the second trapezoidal block 604 to reset, so that the second trapezoidal block 604 does not contact with the first trapezoidal block 603 any more, so that the first trapezoidal block 603 does not reset by external extrusion force and moves to the inner wall of the fixed block 602, so that the fixed block 602 is not fixed any more, the hydraulic push rod 3 is convenient for workers to disassemble and assemble, the fixed block 602 is quickly fixed on the inner wall of the connecting block 2 by reversing the steps, the function of quickly disassembling and assembling the hydraulic push rod 3 is realized by the cooperation of the plurality of parts, when the hydraulic push rod 3 drives the supporting block 4 to realize supporting operation for the bracket 1, when the moving block 506 is in contact with the ground, the telescopic column 503 is extruded by the extrusion force of the ground to move to the inner wall of the supporting block 4, the supporting block 4 drives the rack 505 to move upwards when moving, so that the spur gear 504 is driven to rotate, the spur gear 504 rotates to drive the rotating block 501 to rotate, when the supporting block 4 is in contact with the ground, one end of the rotating block 501 rotates to the ground, and therefore the contact area between the supporting block 4 and the ground is increased.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A work machine, comprising:

a support (1);

the connecting block (2) is fixedly connected to the outer wall of the bracket (1);

the hydraulic push rod (3), the hydraulic push rod (3) is installed at the bottom end of the connecting block (2);

and the connecting mechanism (6) is positioned at the top end of the hydraulic push rod (3) and is used for connecting the hydraulic push rod (3) with the connecting block (2) in a quick assembling and disassembling manner.

2. The engineering machine according to claim 1, wherein the connecting mechanism (6) comprises a bolt (601), a fixed block (602), a first trapezoidal block (603), a second trapezoidal block (604) and a sliding block (605), the fixed block (602) is fixedly connected to the top end of the hydraulic push rod (3), the first trapezoidal block (603) is slidably connected to the inner wall of the fixed block (602), the sliding block (605) is located above the first trapezoidal block (603), the second trapezoidal block (604) is fixedly connected to the bottom end of the sliding block (605), and the bolt (601) is rotatably connected to the inner wall of the connecting block (2).

3. The engineering machine according to claim 2, wherein an installation groove matched with the fixing block (602) is formed in an inner wall of the connecting block (2), and a fixing hole matched with the first trapezoidal block (603) is formed in the inner wall of the connecting block (2).

4. The engineering machine according to claim 2, wherein a limiting block is fixedly connected to the outer wall of the first trapezoidal block (603), and the first trapezoidal block (603) is slidably connected to the fixing block (602) through the limiting block fixedly connected to the outer wall.

5. The engineering machine according to claim 2, wherein the inner wall of the fixed block (602) is provided with a sliding groove matched with the sliding block (605), and the inner wall of the fixed block (602) is provided with a threaded hole matched with the bolt (601).