CN212500666U - Three-point support frame structure - Google Patents
Three-point support frame structure Download PDFInfo
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- CN212500666U CN212500666U CN202021661658.4U CN202021661658U CN212500666U CN 212500666 U CN212500666 U CN 212500666U CN 202021661658 U CN202021661658 U CN 202021661658U CN 212500666 U CN212500666 U CN 212500666U
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Abstract
The utility model relates to a three point support frame structure, including first roof beam and the second roof beam that is located both sides respectively, connect the first roof beam in both sides, the portal between the second roof beam, connect at first roof beam, the wheel subassembly of second roof beam bottom, rotate through first strong point between one side of portal and the first roof beam and be connected, the opposite side and the second roof beam fixed connection of portal, the wheel subassembly of connection in second roof beam bottom includes first, the second supporting wheel, form the second strong point between first supporting wheel and the second roof beam, form the third strong point between second supporting wheel and the second roof beam. The utility model discloses can simplify and be three strong point, three strong point forms a stable three point support structure, and three point support forms the stable statically determinate bearing in load distribution, and suspension just can make the rigid suspension, simplifies suspension's structure and saves cost, meets uneven road surface and can adapt to the road surface through the luffing motion of first roof beam when whole car is walking in-process, plays the key effect to the stability of whole car.
Description
Technical Field
The utility model relates to an engineering van technical field especially relates to a three point support frame structure.
Background
The light hoisting equipment starts a vertical or vertical and horizontal working stroke after material taking, unloads the material after reaching a destination, and then moves to a material taking place in an empty stroke to complete a working cycle, and then carries out secondary hoisting or transportation.
The traditional light hoisting equipment adopts a four-point flexible support frame as a whole, the load distribution of the traditional light hoisting equipment is adaptive through the compression or deformation of an oil cylinder or a disc spring in a suspension system, and the form can complicate the suspension system, cause high cost and have poor stability.
Disclosure of Invention
The utility model aims at providing a three point support frame structure is applied to a light-duty structural style who lifts by crane and equips, can realize load three point distribution and walk and keep the stability of whole car on uneven road surface.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a three point support frame structure, including be located the first roof beam and the second roof beam of both sides respectively, connect in both sides first roof beam, second roof beam between the portal, connect in the wheel subassembly of first roof beam, second roof beam bottom, one side of portal with first roof beam between rotate through first strong point and be connected, the opposite side of portal with second roof beam fixed connection, connect in the wheel subassembly of second roof beam bottom include first supporting wheel, second supporting wheel, first supporting wheel with the second roof beam between form the second strong point, the second supporting wheel with the second roof beam between form the third strong point.
Preferably, a pin shaft assembly is arranged between the gantry and the first beam, the pin shaft assembly forms the first supporting point, the pin shaft assembly comprises a first pin shaft seat arranged on the gantry and a second pin shaft seat arranged on the first beam, and the first pin shaft seat and the second pin shaft seat are rotatably connected through a pin shaft.
Preferably, the portal comprises a first portal beam and a second portal beam which are respectively positioned at two sides, the first supporting point is arranged on the first portal beam, and the second portal beam is fixedly connected with the second beam.
Further preferably, the first portal frame beam and the second portal frame beam each have two legs, the first support point is located on the first portal frame beam between the two legs, and the second portal frame beam is fixedly connected with the second portal frame beam through the two legs. Still further preferably, said first support point is located in the middle of the first portal frame beam between two of said legs.
Further preferably, a rotation limiting assembly is respectively arranged between the two support legs of the first portal frame beam and the first beam.
Further preferably, the rotation limiting assembly comprises a limiting sleeve arranged on the first beam and a limiting block arranged on the supporting leg of the first gantry beam, and the supporting leg extends into the limiting sleeve.
Further preferably, the limiting block of the leg at the front side is arranged at the front side of the leg; the limiting blocks of the supporting legs at the rear side are arranged at the rear side of the supporting legs.
Further preferably, the cross sections of the first portal frame beam and the second portal frame beam are in an i shape.
Further preferably, the portal frame further comprises a portal frame main body, and the portal frame main body is connected with the first portal frame beam and the second portal frame beam on two sides.
Preferably, the first beam, the second beam and the wheel assembly are connected through a rigid suspension.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a whole car fulcrum can be simplified and be three strong point, three strong point supporting structure that forms a stable, three strong point supporting is a stable statically determinate bearing mode on the load distribution, because whole frame is not statically indeterminate bearing mode, the rigid suspension just can be made to suspension, thereby can save dish spring or hydraulic cylinder and simplify suspension's structure, and save the cost, meet uneven road surface and can adapt to the road surface through the luffing motion of first roof beam when whole car is walking in-process, also play the key role to the stability of whole car.
Drawings
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is a perspective view of the present embodiment (wheel assembly omitted);
fig. 3 is a side view schematic diagram of the present embodiment (wheel assembly omitted).
In the above drawings:
1. a first beam; 2. a second beam; 3. a gantry; 30. a first gantry beam; 31. a second mast beam; 32. a gantry body; 33. a support leg; 40. a first support wheel; 41. a second support wheel; 5. rigid suspension; 60. a first pin shaft seat; 61. a second pin shaft seat; 62. a pin shaft; 70. a limiting sleeve; 71. and a limiting block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A three-point support frame structure as shown in fig. 1-3 comprises a first beam 1 and a second beam 2 respectively positioned at two sides, a portal frame 3 connected between the first beam 1 and the second beam 2 at two sides, and a wheel assembly connected at the bottom of the first beam 1 and the second beam 2. The first beam 1 and the second beam 2 can both adopt box-shaped steel structures. The wheel assembly comprises a first supporting wheel 40 and a second supporting wheel 41, namely the first beam 1 and the second beam 2 are respectively connected with the two supporting wheels, and the first beam 1 and the second beam 2 are connected with the first supporting wheel 40 and the second supporting wheel 41 through a rigid suspension 5.
One side of the door frame 3 is rotatably connected with the first beam 1 through a first supporting point, the other side of the door frame 3 is fixedly connected with the second beam 2, for example, through flange connection, a second supporting point is formed between a first supporting wheel 40 connected to the bottom of the second beam 2 and the second beam 2, and a third supporting point is formed between a second supporting wheel 41 connected to the bottom of the second beam 2 and the second beam 2.
From the structural form of the whole vehicle frame: the supporting mode of the whole vehicle is that two rigid suspension 5 supporting points of the first beam 1 can be simplified to a first supporting point of a turning point, and the supporting points of the second beam 2 are respectively a second supporting point and a third supporting point at the rigid suspension 5.
In this embodiment: the portal 3 is of a box-type portal steel structure, and the portal 3 comprises a first portal beam 30 and a second portal beam 31 which are respectively arranged at two sides, and a portal main body 32 which is connected between the first portal beam 30 and the second portal beam 31 at the two sides. The first and second door frame beams 30 and 31 have an i-shaped cross section, such that each of the first and second door frame beams 30 and 31 has two legs 33, a first support point is located in the middle of the first door frame beam 30 between the two legs 33, and the second door frame beam 31 is fixedly connected to the second beam 2 through the two legs 33.
Be provided with the round pin axle subassembly between first portal beam 30 and the first roof beam 1, the round pin axle subassembly forms first strong point, and the round pin axle subassembly is including setting up first round pin axle bed 60 on first portal beam 30, setting up the second round pin axle bed 61 on first roof beam 1, rotates through round pin axle 62 between first round pin axle bed 60, the second round pin axle bed 61 and connects. The first beam 1 can swing up and down around the pin 62 to adapt to uneven road surfaces during walking.
A rotation limiting assembly is respectively arranged between the two supporting legs 33 of the first portal frame beam 30 and the first beam 1. The up-and-down swinging angle of the first beam 1 is realized by rotating the limiting assembly. In this embodiment: the rotation limiting assembly comprises a limiting sleeve 70 arranged on the first beam 1 and a limiting block 71 arranged on the supporting leg 33 of the first portal frame beam 30, and the supporting leg 33 extends into the limiting sleeve 70. Wherein: the stopper 71 of the front leg 33 is provided on the front side of the leg 33; the stopper 70 of the rear leg 33 is disposed at the rear side of the leg 33 as shown in fig. 3. When the stop block 71 of the leg 33 abuts against the stop sleeve 70, the swing angle of the first beam 1 can be limited.
The whole car fulcrum of this embodiment can simplify and be three strong point, three strong point forms a stable three point support structure, three point support is a stable statically determinate supporting mode on load distribution, because whole frame is not the statically indeterminate supporting mode, suspension just can make the rigid suspension, thereby can save dish spring or hydraulic cylinder and simplify suspension's structure, and save the cost, meet uneven road surface and can adapt to the road surface through the luffing motion of first roof beam when whole car is walking in-process, also play the key role to the stability of whole car.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a three point support frame structure, is including being located the first roof beam and the second roof beam of both sides respectively, connecting both sides portal between first roof beam, the second roof beam, connect the wheel subassembly in first roof beam, second roof beam bottom, its characterized in that: one side of the door frame is rotatably connected with the first beam through a first supporting point, the other side of the door frame is fixedly connected with the second beam, the wheel assembly connected to the bottom of the second beam comprises a first supporting wheel and a second supporting wheel, the first supporting wheel and the second beam form a second supporting point, and the second supporting wheel and the second beam form a third supporting point.
2. The three-point support frame structure of claim 1, wherein: the hinge pin assembly is arranged between the portal frame and the first beam and forms the first supporting point, the hinge pin assembly comprises a first hinge pin seat arranged on the portal frame and a second hinge pin seat arranged on the first beam, and the first hinge pin seat and the second hinge pin seat are rotatably connected through hinge pins.
3. The three-point support frame structure of claim 1, wherein: the portal comprises a first portal beam and a second portal beam which are respectively positioned on two sides, the first supporting point is arranged on the first portal beam, and the second portal beam is fixedly connected with the second portal beam.
4. The three-point support frame structure of claim 3, wherein: the first portal frame beam and the second portal frame beam are both provided with two support legs, the first support point is positioned on the first portal frame beam between the two support legs, and the second portal frame beam is fixedly connected with the second portal frame beam through the two support legs.
5. The three-point support frame structure of claim 4, wherein: and a rotation limiting assembly is respectively arranged between the two supporting legs of the first portal frame beam and the first beam.
6. The three-point support frame structure of claim 5, wherein: the rotation limiting assembly comprises a limiting sleeve arranged on the first beam and a limiting block arranged on the landing leg of the first portal beam, and the landing leg extends into the limiting sleeve.
7. The three-point support frame structure of claim 6, wherein: the limiting block of the landing leg on the front side is arranged on the front side of the landing leg; the limiting blocks of the supporting legs at the rear side are arranged at the rear side of the supporting legs.
8. The three-point support frame structure of claim 3, wherein: the sections of the first portal frame beam and the second portal frame beam are I-shaped.
9. The three-point support frame structure of claim 3, wherein: the portal frame further comprises a portal frame main body, and the portal frame main body is connected with the first portal frame beam and the second portal frame beam on two sides.
10. The three-point support frame structure of claim 1, wherein: the first beam, the second beam and the wheel assembly are connected through rigid suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021661658.4U CN212500666U (en) | 2020-08-11 | 2020-08-11 | Three-point support frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021661658.4U CN212500666U (en) | 2020-08-11 | 2020-08-11 | Three-point support frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212500666U true CN212500666U (en) | 2021-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021661658.4U Active CN212500666U (en) | 2020-08-11 | 2020-08-11 | Three-point support frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212500666U (en) |
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2020
- 2020-08-11 CN CN202021661658.4U patent/CN212500666U/en active Active
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