CN108487350B

CN108487350B - Mechanical bogie frame

Info

Publication number: CN108487350B
Application number: CN201810331486.5A
Authority: CN
Inventors: 谢观福; 王玉美; 王岩
Original assignee: Xinxing Yishan Tianjin Heavy Industry Co ltd
Current assignee: Xinxing Yishan Tianjin Heavy Industry Co ltd
Priority date: 2018-04-13
Filing date: 2018-04-13
Publication date: 2023-11-21
Anticipated expiration: 2038-04-13
Also published as: CN108487350A

Abstract

The invention provides a mechanical bogie frame which comprises a main frame and bogie frames symmetrically arranged on two sides of the main frame, wherein symmetrical fixed shafts are arranged on the outer side surfaces of the bogie frames, sliding blocks are arranged at the ends of the fixed shafts, fixed supporting plates at the upper end and the lower end of a sliding rail, shafts are arranged between two supporting plates penetrating through the sliding blocks, springs penetrating through the shafts are respectively arranged between the supporting plates at the two ends and the sliding blocks, vertical moving blocks in clearance fit are further arranged penetrating through the shafts, positioning blocks are arranged at the symmetrical centers of the two fixed shafts on the same side, limiting blocks are arranged on the positioning blocks, grooves are formed in the side walls of the main frame, and the limiting blocks are arranged in the grooves and are in sliding connection with the grooves. The mechanical bogie frame is simple in structural design, flexible connection is realized by designing the flexible buffer device on the side of the bogie frame, the structural stability is good, the mechanical bogie frame can adapt to different road conditions, the stability is good, and compared with a welded structure, the mechanical bogie frame is more durable, and the later maintenance cost is reduced.

Description

Mechanical bogie frame

Technical Field

The invention belongs to the field of engineering machinery, and particularly relates to a mechanical bogie frame.

Background

At present, the structure of the bulldozer bogie frame adopts flange steel for the upper and lower parts, steel plates for the two sides are used for enclosing, and a direct welding and fixing mode is adopted when the structure is connected with a main frame, and in order to strengthen the stability of the structure, a plurality of reinforcing ribs are welded between the structure, the structure is realized in a mode of consuming materials, good welding effect is required to be ensured, the structure is easy to deform after long-term use, the maintenance cost is high, in addition, the rigidity among the parts is high when the structure is used, the adaptability on a rugged road is poor, jolt is easy, and the stability is poor. Aiming at the situation, the invention provides the mechanical bogie frame which is simple in structural design, realizes flexible connection by designing the flexible buffer device on the side of the bogie frame, is good in structural stability, can adapt to different road conditions, is good in stability, is more durable than a welded structure, and reduces the later maintenance cost.

Disclosure of Invention

In view of the above, the invention aims to provide a mechanical bogie frame which is simple in structural design, realizes flexible connection by designing a flexible buffer device on the side of the bogie frame, has good structural stability, can adapt to different road conditions, has good stability, is more durable than a welded structure, and reduces the later maintenance cost.

In order to achieve the above purpose, the technical scheme of the invention is realized as follows:

the utility model provides a mechanical bogie frame, includes the body frame and the bogie frame of its both sides is arranged in to the symmetry, the bogie frame is close to the lateral surface of one side of body frame is equipped with symmetrical fixed axle, the fixed axle tip is equipped with the slider, the body frame lateral wall open have with slider sliding fit's slide rail, the upper and lower both ends fixed support board of slide rail passes be equipped with the axle between the two backup pads of slider, pass the spring of axle is arranged in respectively between the backup pad at both ends with between the slider, pass the axle still is equipped with clearance fit's vertical motion piece, vertical motion piece is arranged in respectively between the spring with between the slider, two of same side the symmetry center department of fixed axle is equipped with the locating piece, be equipped with the stopper on the locating piece, the body frame lateral wall is opened flutedly, the stopper is arranged in the recess rather than sliding connection.

Further, the two sides of the vertical moving block are symmetrically provided with L-shaped fixing frames, the sliding blocks are fixed at the other ends of the L-shaped fixing frames, and the sliding blocks are arranged on the guide rails in sliding fit with the sliding blocks.

Further, the two ends of the guide rail are fixed through limiting plates, and the sliding direction of the sliding block is parallel to the sliding direction of the sliding block.

Further, the axis of the spring coincides with the axis of the shaft, and the axis of the spring is parallel to the sliding direction of the slider.

Further, the sliding distance of the sliding block is arranged in the corresponding elastic movement distance range of the spring, and the contact plane of the vertical movement block and the sliding block is perpendicular to the axis of the spring.

Furthermore, the end parts of the positioning blocks are connected with symmetrical supporting rods through supporting plates, the limiting blocks are fixed at the end parts of the supporting rods, and the limiting blocks are in sliding connection with the grooves.

Further, the height of the groove is arranged within the maximum moving distance of the sliding block, and the sliding direction of the limiting block is parallel to the sliding direction of the sliding block.

Further, the bogie frame is of an integrally formed square structure.

Compared with the prior art, the mechanical bogie frame has the following advantages:

(1) The mechanical bogie frame is simple in structural design, flexible connection is realized by designing the flexible buffer device on the side of the bogie frame, the structural stability is good, the mechanical bogie frame can adapt to different road conditions, the stability is good, and compared with a welded structure, the mechanical bogie frame is more durable, and the later maintenance cost is reduced.

(2) According to the mechanical bogie frame, the two symmetrical ends are used for limiting and buffering in the vertical direction, and the middle is used for further limiting the vertical buffering distance, so that the structures are matched with each other, a good buffering effect is ensured, efficient running of different road conditions in the moving process is realized, the stability is good, and the mechanical bogie frame is more durable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of a mechanical bogie frame according to an embodiment of the present invention;

fig. 2 is a partial enlarged view of a mechanical bogie frame according to an embodiment of the present invention.

Reference numerals illustrate:

1-a bogie frame; 2-a fixed shaft; 3-a main frame; 4-grooves; 5-limiting blocks; 6-supporting rod; 7-supporting plates; 8-positioning blocks; 9-sliding rails; 10-supporting plates; 11-limiting plates; 12-a spring; 13-a vertical motion block; 14-a slider; 15-L-shaped fixing frame; 16-a slider; 17-guide rail.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention 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 invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, 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 invention can be understood by those of ordinary skill in the art in a specific case.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

The mechanical bogie frame comprises a main frame 3 and bogie frames 1 symmetrically arranged on two sides of the main frame 3, wherein symmetrical fixed shafts 2 are arranged on the outer side faces of one side, close to the main frame 3, of the bogie frames 1, sliding blocks 14 are arranged at the end parts of the fixed shafts 2, sliding rails 9 which are in sliding fit with the sliding blocks 14 are arranged on the side walls of the main frame 3, shafts are arranged between two supporting plates 10 penetrating through the sliding blocks 14, springs 12 penetrating through the shafts are respectively arranged between the supporting plates 10 and the sliding blocks 14 at the two ends, clearance fit vertical moving blocks 13 penetrating through the shafts are further arranged between the springs 12 and the sliding blocks 14, positioning blocks 8 are arranged at the symmetrical centers of the two fixed shafts 2 at the same side, limiting blocks 5 are arranged on the positioning blocks 8, grooves 4 are arranged on the side walls of the main frame 3, and the limiting blocks 5 are arranged in the grooves 4 and are in sliding connection with the grooves 4.

The two sides of the vertical moving block 13 are symmetrically provided with an L-shaped fixing frame 15, the other end of the L-shaped fixing frame 15 is fixed with a sliding block 16, and the sliding block 16 is arranged on a guide rail 17 in sliding fit with the sliding block.

Wherein, both ends of the guide rail 17 are fixed by the limiting plate 11, and the sliding direction of the sliding block 14 is parallel to the sliding direction of the sliding block 16.

Wherein the axis of the spring 12 coincides with the axis of the shaft, and the axis of the spring 12 is parallel to the sliding direction of the slider 14.

Wherein the sliding distance of the sliding block 16 is set within the corresponding elastic movement distance range of the spring 12, and the contact plane of the vertical movement block 13 and the sliding block 14 is perpendicular to the axis of the spring 12.

The end part of the positioning block 8 is connected with symmetrical supporting rods 6 through supporting plates 7, the limiting block 5 is fixed at the end part of the supporting rods 6, and the limiting block 5 is in sliding connection with the groove 4.

The height of the groove 4 is placed within the maximum moving distance of the sliding block 14, and the sliding direction of the limiting block 5 is parallel to the sliding direction of the sliding block 14.

Wherein, the bogie frame 1 is of an integrally formed square structure.

Specific embodiments of the invention: after all parts are connected, other structural parts of the bulldozer are integrally installed, when the bulldozer moves, the sliding block 14 drives the vertical moving block 13 to push the spring 12 to move up and down when the bulldozer runs into uneven ground, the spring is limited, the deviation is reduced, the movement precision is improved, under the condition that the pits on the ground are large, the bulldozer is required to be further limited in the vertical direction in order to ensure the integral rigidity of the bulldozer, and the limiting block 5 is designed to further ensure the limiting of the up-and-down movement in the movement process, so that a better stabilizing effect is ensured.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. A mechanical bogie frame, characterized in that: the trolley comprises a main frame and a trolley frame symmetrically arranged on two sides of the main frame, wherein a symmetrical fixed shaft is arranged on the outer side surface of one side, close to the main frame, of the trolley frame, a sliding block is arranged at the end part of the fixed shaft, a sliding rail which is in sliding fit with the sliding block is arranged on the side wall of the main frame, supporting plates are fixed at the upper end and the lower end of the sliding rail, shafts penetrating through the sliding block are arranged between the two supporting plates, springs penetrating through the shafts are respectively arranged between the supporting plates and the sliding block at the two ends, vertical moving blocks are respectively arranged between the springs and the sliding block, positioning blocks are arranged at the symmetrical centers of the two fixed shafts on the same side, limiting blocks are arranged on the positioning blocks, and the side wall of the main frame is provided with grooves, and the limiting blocks are arranged in the grooves and are in sliding connection with the grooves.

2. A machine trolley frame according to claim 1, characterized in that: the two sides of the vertical moving block are symmetrically provided with L-shaped fixing frames, the other ends of the L-shaped fixing frames are fixed with sliding blocks, and the sliding blocks are arranged on guide rails in sliding fit with the sliding blocks.

3. A machine trolley frame according to claim 2, characterized in that: the two ends of the guide rail are fixed through limiting plates, and the sliding direction of the sliding block is parallel to the sliding direction of the sliding block.

4. A machine trolley frame according to claim 3, characterized in that: the axis of the spring coincides with the axis of the shaft, and the axis of the spring is parallel to the sliding direction of the sliding block.

5. A machine trolley frame according to claim 4, characterized in that: the sliding distance of the sliding block is arranged in the corresponding elastic movement distance range of the spring, and the contact plane of the vertical movement block and the sliding block is perpendicular to the axis of the spring.

6. A machine trolley frame according to claim 5, characterized in that: the end parts of the positioning blocks are connected with symmetrical supporting rods through supporting plates, the limiting blocks are fixed at the end parts of the supporting rods, and the limiting blocks are in sliding connection with the grooves.

7. A machine trolley frame according to claim 6, characterized in that: the height of the groove is arranged within the maximum moving distance of the sliding block, and the sliding direction of the limiting block is parallel to the sliding direction of the sliding block.

8. A machine trolley frame according to claim 7, characterized in that: the bogie frame is of an integrally formed square structure.