CN219487557U

CN219487557U - Auxiliary frame structure and engineering machinery

Info

Publication number: CN219487557U
Application number: CN202320533236.6U
Authority: CN
Inventors: 谢晓旭
Original assignee: Sany Automobile Hoisting Machinery Co Ltd
Current assignee: Sany Automobile Hoisting Machinery Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-08
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the technical field of engineering machinery, in particular to an auxiliary frame structure and engineering machinery. The auxiliary frame structure includes: a frame body; the support piece is fixedly arranged on the frame body, and the top of the support piece forms a mounting position; the seat ring is fixedly arranged on the mounting position, the seat ring is suitable for lifting the mounting height of the seat ring through the supporting piece, and the space on at least one side of the supporting piece on the frame body forms a loading space. According to the utility model, the seat ring is arranged at the top of the supporting piece, the supporting piece effectively promotes the height of the seat ring through the height of the supporting piece, meanwhile, the height of the main body part of the frame body is reduced, after the rotating table and other parts are arranged on the seat ring, the space among the lifting oil cylinder, the large arm and the frame body forms a loading space, the large carrying space is reserved above the frame body while the complexity of the structure is not promoted, and the problems that the carrying space on the auxiliary frame in the prior art is small and the operation tool is difficult to carry are effectively solved.

Description

Auxiliary frame structure and engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to an auxiliary frame structure and engineering machinery.

Background

The auxiliary frame is one of important parts on the automobile crane, the section of the auxiliary frame is designed to be a closed rectangular or trapezoid section in order to meet the requirements on rigidity and strength of the auxiliary frame, a seat ring arranged on the auxiliary frame has the function of bearing a turntable, and the installation position of the seat ring can influence the balance stability of running and hoisting.

At present, the seat ring is generally arranged at the middle rear part of the auxiliary frame, the upper end surface of the seat ring is basically in the same plane with the upper end surface of the auxiliary frame, and the arrangement mode ensures that the whole stability of the automobile crane is better, but along with the installation of parts such as a turntable, a lifting oil cylinder, a large arm and the like, most of space above the auxiliary frame is occupied, so that the loading space on the auxiliary frame is greatly compressed, inconvenience exists when carrying a large-size working tool, and therefore, the existing auxiliary frame also has the problem of insufficient carrying space.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects that the carrying space on the auxiliary frame is smaller and the operation tool is difficult to carry in the prior art, thereby providing the auxiliary frame structure and the engineering machinery.

In order to solve the above problems, the present utility model provides a subframe structure, comprising: a frame body; the support piece is fixedly connected with the frame body, and the top of the support piece forms an installation position; the seat ring is arranged at the installation position, and the space above the frame body and positioned on at least one side of the support piece forms a loading space.

Optionally, the lower extreme of support piece and the up end fixed connection of support body, support piece sets up the one end of keeping away from the driver's cabin on the support body.

Optionally, the support is a support cylinder.

Optionally, the support body includes longeron and a plurality of crossbeam that two at least intervals set up, and a plurality of crossbeams interval connection is between two adjacent longerons, and every longeron is the angle setting with every crossbeam.

Optionally, the auxiliary frame structure further comprises a supporting leg box, the two ends of the frame body along the length direction of the frame body are fixedly provided with the supporting leg boxes, wherein the supporting leg boxes close to the cab form a front supporting leg box, and the supporting leg boxes far away from the cab form a rear supporting leg box.

Optionally, the support member is provided with a notch at a lower portion of one side of the rear leg box, and a portion of the rear leg box is embedded in the notch.

Optionally, the cross beam is provided with a plurality of through holes for the pipeline to pass through.

The utility model also provides an engineering machine, which comprises: the auxiliary frame structure is characterized in that the auxiliary frame structure is a frame structure.

Optionally, the engineering machine further comprises a universal chassis connected below the subframe structure.

Optionally, the engineering machine further comprises a walking platen and an upper cover plate, wherein the walking platen and the upper cover plate are fixedly arranged on one side, close to the supporting piece, of the frame body of the auxiliary frame structure.

The utility model has the following advantages:

1. install the seat ring at the top of support piece, the support piece has effectively promoted the height of seat ring through the height of self, reduces the height of the main part of support body simultaneously, and parts such as revolving stage are installed on the seat ring after, and the space between lifting cylinder, big arm and the support body forms the loading space, has reserved great carrying space in the top of support body when not promoting the structure complexity, has effectively solved the carrying space on the sub vehicle frame among the prior art less, is difficult to carry the problem of operation instrument.

2. The support piece is arranged at one end of the frame body far away from the cab, the rotation center is properly moved backwards by utilizing the weight of the universal chassis, the normal operation of the automobile crane is not influenced, and meanwhile, the space between the cab and the turntable is reserved to form a loading space, so that the carrying capacity is improved.

3. The frame body is in a frame structure with the upper surface and the lower surface not closed by utilizing the bending resistance and torsion resistance of the universal chassis girder, and the pipeline is arranged in the frame body, so that the problems of pipeline space arrangement and convenience in installation and maintenance are solved, and the appearance is also simplified and the aesthetic property is optimized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a three-dimensional schematic view of a subframe structure of an embodiment of the present utility model;

FIG. 2 shows a schematic front view of the subframe structure of FIG. 1;

fig. 3 shows a schematic top view of the subframe structure of fig. 1.

Reference numerals illustrate:

10. a frame body; 11. a longitudinal beam; 12. a cross beam; 13. a through hole; 20. a support; 30. a seat ring; 41. a front leg box; 42. and a rear leg box.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 to 3, the subframe structure of the present embodiment includes: a frame 10, a support 20 and a seat 30; the support piece 20 is fixedly connected with the frame body 10, and the top of the support piece 20 forms an installation position; the seat ring 30 is fixedly provided on the installation site, the seat ring 30 is adapted to be lifted up by the support member 20 to its installation height, and the space above the frame body 10 and located on at least one side of the support member 20 forms a loading space.

By applying the auxiliary frame structure of the embodiment, the seat ring 30 is arranged at the top of the supporting piece 20, the supporting piece 20 effectively promotes the height of the seat ring through the height of the supporting piece, meanwhile, the height of the main body part of the frame body 10 is reduced, after the rotating table and other parts are arranged on the seat ring 30, the space among the lifting oil cylinder, the large arm and the frame body 10 forms a loading space, the large carrying space is reserved above the frame body 10 while the complexity of the structure is not promoted, and the problem that the carrying space on the auxiliary frame in the prior art is small and is difficult to carry an operation tool is effectively solved.

In this embodiment, the lower end of the supporting member 20 is fixedly connected with the upper end surface of the frame body 10, the supporting member 20 is disposed at one end of the frame body 10 far away from the cab, the rotation center is properly moved backwards by utilizing the weight of the universal chassis, and the space between the cab and the turntable is reserved to form a loading space while the normal operation of the automobile crane is not affected, so that the carrying capacity is improved. It will be appreciated that the horizontal position of the support 20 may alternatively be left unmoved. The end of the frame 10 away from the cab is referred to as the "rear" end in fig. 1.

Specifically, the specific position of the supporting member 20 is not limited, and the loading space can be effectively increased as compared with the original position, the position is closer to the rear end; the seat ring 30 is positioned as "back" as possible. The supporting piece 20 is used as a bearing piece of the seat ring 30, plays a role of lifting the seat ring 30, and lifts the boarding lifting executing device such as a turntable and the like together, so that the space above the auxiliary frame is increased, and the space above the frame body 10 can be utilized to the greatest extent for loading.

In this embodiment, the supporting member 20 is a supporting cylinder, the outer wall of the supporting cylinder has no abrupt change, failure is not easy to occur, and the shape of the supporting cylinder can be matched with the structure of the seat ring 30.

Specifically, the specific shape and structure of the support 20 are not limited, and the support may be a cylinder, a truncated cone, or the like, and may be hollow or solid, so that the support may be stably and reliably mounted on the bearing race 30.

In this embodiment, the frame 10 is a frame structure, and since the height of the frame 10 is reduced to a certain extent, it will be difficult to arrange the pipeline in the outer space of the frame 10, so the scheme utilizes the bending and torsion resistance of the universal chassis girder to make the frame 10 in a frame structure with the upper and lower surfaces not closed, and arrange the pipeline in the frame 10, thereby solving the problems of pipeline arrangement space and installation and maintenance convenience and optimizing the succinct aesthetic property in appearance.

In this embodiment, the frame 10 includes at least two stringers 11 and a plurality of beams 12 that set up at intervals, and a plurality of beams 12 interval connect between two adjacent stringers 11, and every stringer 11 is the angle setting with every beam 12, and simple structure is clear, and the structure of frame 10 is simplified as far as possible under the condition of not reducing original frame 10's intensity, has avoided the inside huge welding volume that more strengthening rib brought of closed frame. The side members 11 are beams in the "front-rear" direction indicated by the arrow in fig. 1, and the cross members 12 are beams perpendicular to the "front-rear" direction indicated by the arrow in fig. 1.

Specifically, the plurality of cross beams 12 can strengthen the overall rigidity and strength of the frame body 10, the frame body 10 downwards needs to be connected with a universal chassis, and the space outside the longitudinal beams 11 can be used for arranging a support for connecting the universal chassis.

Specifically, the number of the stringers 11 is not limited, and two or more stringers may be arranged in parallel, and the spacing distance between the specific number of the crossbeams 12 that are already adjacent to each other may be selected according to different types of the crane truck, so that the strength of the frame 10 itself may be ensured.

In this embodiment, the auxiliary frame structure further includes a leg box, the two ends of the frame body 10 along the length direction of the auxiliary frame structure are fixedly provided with leg boxes, wherein, the leg box close to the cab forms a front leg box 41, the leg box far away from the cab forms a rear leg box 42, two parts with larger section requirements of the front leg box 41 and the rear leg box 42 are respectively arranged at the front end and the rear end of the frame body 10, and the two leg boxes are connected by utilizing the longitudinal beam 11 to form a frame structure of the auxiliary frame structure together. Wherein the front leg box 41 refers to the leg box at the "front" end as indicated by the arrow in fig. 1, and the rear leg box 42 refers to the leg box at the "rear" end as indicated by the arrow in fig. 1.

The specific construction of the leg box is not limited, and reference may be made to the construction of the existing leg box.

In this embodiment, the support 20 is provided with a notch at the lower portion of one side of the rear leg box 42, and a portion of the rear leg box 42 is embedded in the notch, so that the structural strength of the joint between the rear leg box 42 and the longitudinal beam 11 is better, and the stability of the support race 30 can be ensured by the support 20. It will be appreciated that as an alternative embodiment, a notch may be provided in one side of the rear leg box 42, with the lower end of the support member 20 being inserted into the notch.

In the present embodiment, the cross beam 12 is provided with a plurality of through holes 13 through which the pipes pass, and since the hydraulic pipes and the like are arranged inside the frame of the rack body 10, the pipe arrangement is facilitated by providing the through holes 13 on the cross beam 12. It will be appreciated that, as an alternative embodiment, grooves may be provided in the upper and lower surfaces of the cross member 12 for the arrangement of the pipes.

Specifically, the number and shape of the through holes 13 are not limited, and may be changed according to the type and number of the pipes to be laid.

The utility model also provides engineering machinery, which is characterized by comprising the following components: the auxiliary frame structure is characterized in that the auxiliary frame structure is a frame structure.

In this embodiment, the construction machine is an excavator, a crane, a rotary drilling machine, or the like.

In this embodiment, the construction machine further includes a universal chassis connected below the subframe structure.

In this embodiment, the engineering machine further includes a walking platen and an upper cover plate, where the walking platen and the upper cover plate are fixedly disposed on one side of the frame body 10 of the subframe structure, which is close to the supporting member 20, so that a complete and flat space is formed on the upper portion of the frame body 10, and meanwhile, the pipeline in the frame body 10 can be protected from external influences.

From the above description, it can be seen that the above-described embodiments of the present utility model achieve the following technical effects:

1. the seat ring 30 is arranged at the top of the supporting piece 20, the supporting piece 20 effectively lifts the height of the seat ring through the height of the supporting piece, meanwhile, the height of the main body part of the frame body 10 is reduced, after components such as a rotary table are arranged on the seat ring 30, a loading space is formed by the space among the lifting oil cylinder, the large arm and the frame body 10, and a larger loading space is reserved above the frame body 10 while the complexity of the structure is not lifted.

2. The frame body 10 comprises at least two longitudinal beams 11 and a plurality of cross beams 12 which are arranged at intervals, the structure is simple and clear, the structure of the frame body 10 is simplified as much as possible under the condition that the strength of the original frame body 10 is not reduced, and huge welding quantity caused by more reinforcing ribs in the closed frame is avoided.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A subframe structure, comprising:

a frame body (10);

the support piece (20) is fixedly connected with the frame body (10), and the top of the support piece (20) forms an installation position;

and the seat ring (30) is arranged at the installation position, and a loading space is formed by the space above the frame body (10) and positioned on at least one side of the support piece (20).

2. The subframe structure according to claim 1, wherein the lower end of the support member (20) is fixedly connected to the upper end surface of the frame body (10), and the support member (20) is disposed at an end of the frame body (10) away from the cab.

3. The subframe structure according to claim 1, characterized in that the support (20) is a support cylinder.

4. A subframe structure according to any one of claims 1 to 3, characterized in that the frame body (10) comprises at least two spaced apart longitudinal beams (11) and a plurality of cross beams (12), a plurality of said cross beams (12) being connected between adjacent two of said longitudinal beams (11) at intervals.

5. A subframe structure according to any one of claims 1 to 3, characterized in that the subframe structure further comprises leg boxes, which are fixedly provided at both ends of the frame body (10) in its length direction, wherein the leg boxes near the cab form a front leg box (41) and the leg boxes remote from the cab form a rear leg box (42).

6. The subframe structure according to claim 5, wherein said support member (20) is provided with a notch in a lower portion of one side of said rear leg box (42), and a portion of said rear leg box (42) is fitted into said notch.

7. The subframe structure according to claim 4, characterized in that the cross member (12) is provided with a through hole (13) through which the pipe passes.

8. A construction machine, comprising: the subframe structure of any one of claims 1 to 7.

9. The work machine of claim 8, further comprising a universal chassis coupled below the subframe structure.

10. The working machine according to claim 8, characterized in that the working machine further comprises a running deck and an upper cover plate, which are fixedly arranged on the side of the frame body (10) of the subframe structure close to the support (20).