Turnover four-column bulldozer cab

Abstract

The utility model belongs to the technical field of bulldozers, and relates to a turnover four-column bulldozer cab which comprises a cab body, the cab body is rotationally connected to a rack through a rear suspension and can turn over along the rear suspension under the action of a lifting oil cylinder, one end of the lifting oil cylinder is fixed to the rack, and the other end of the lifting oil cylinder is fixed to the rack. A supporting frame is further arranged between the cab body and the machine frame, one end of the supporting frame is hinged to the cab body, and a sliding limiting device is arranged between the other end of the supporting frame and the machine frame and used for preventing the cab body from accidentally falling due to pressure relief of the lifting oil cylinder. According to the utility model, the working visual field of a driver can be enlarged, work such as fault inspection, repair and maintenance can be carried out on parts in a spacious area, and the driving comfort of the driver and the maintenance convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bulldozer technical field, concretely relates to a four-column bulldozer cab of overturning. BACKGROUND

[0002] The bulldozer is a kind of earthwork machinery that can excavate, transport and discard rock and soil, and has wide application in open-pit mine.

[0003] The commonly used six-column bulldozer cab has the problem that the column shadow increases the work visual field blind area of operator, which is easy to cause dangerous accidents, and the easily damaged parts of the bulldozer are affected by the narrow space area, which causes maintenance difficulties and cannot meet the requirements of rapid repair, and seriously affects the working time of the operator. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the defects and deficiencies in the prior art, and provides a four-column bulldozer cab of overturning, which has simple structure, is stable and reliable, can improve safety and maintenance convenience.

[0005] To achieve the above object, the utility model adopts the technical scheme of a four-column bulldozer cab of overturning, which comprises a cab body, the cab body is connected to the frame through a rear suspension, and the cab body can be overturned along the rear suspension under the action of a lifting cylinder, a support frame is arranged between the cab body and the frame, one end of the support frame is hinged to the cab body, and the other end is provided with a sliding limit between the frame, to prevent the cab body from falling down accidentally due to pressure relief of the lifting cylinder.

[0006] Preferably, the cab body comprises right front column, right rear column, left front column and left rear column distributed in a quadrilateral.

[0007] Preferably, the rear suspension is arranged at the rear side of the right rear column and the left rear column.

[0008] Preferably, one end of the lifting cylinder is fixed to the frame, and the other end is connected to the cab body through a mounting seat.

[0009] Preferably, the support frame is connected to the frame through a guide rail structure.

[0010] After the above technical scheme is adopted, the four-column bulldozer cab of overturning has the following beneficial effects:

[0011] (1) In the utility model, the six-column cab skeleton is changed into four-column cab skeleton, which can reduce the column shadow area, increase the work visual field of operator and improve safety.

[0012] (2) The utility model discloses when designing, in order to make the machine hand to check the fault, maintenance, maintenance in spacious area, can lift the cab hydraulic pressure, improved the maintenance convenience;

[0013] (3) The utility model discloses when designing, in order to prevent the oil cylinder pressure relief, increase the support frame of mechanical limiting action, can prevent the cab body accidental fall, further improved the security. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of the utility model discloses a four -column bulldozer cab of overturning;

[0015] Fig. 2 It is the structure schematic diagram of the cab body in the utility model.

[0016] Among them: lift the oil cylinder 1, support frame 2, mounting seat 3, rear suspension 4, cab body 5, right front column 51, right rear column 52, left front column 53, left rear column 54. DETAILED DESCRIPTION

[0017] The utility model will be further clearly and completely described below in combination with the drawings and specific embodiment, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. The description of the following at least one exemplary embodiment is actually only illustrative, and is by no means any limitation on the utility model and its application or use. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0018] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that, when the terms "comprise" and / or "include" are used in the specification, it means that the features, steps, operations, devices, components and / or their combinations exist.

[0019] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. The intent is to be accurate in describing the principles and novel features of the application. Thus, although the application has been described with reference to specific embodiments thereof, it will be apparent to those of ordinary skill in the art that a number of changes can be made to the embodiments described without departing from the spirit and scope of the application. For example, the various features of the application can be combined in any combination, where possible. Accordingly, the scope of the application is to be construed as encompassing modifications and variations of the specific examples described herein, subject only to the conditions of the prior art.

[0020] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0021] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0022] In addition, it should be noted that the use of "first", "second" and the like words to limit parts, only for the convenience of distinguishing the corresponding parts, if there is no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation on the protection scope of the present application.

[0023] The utility model provides a four -column bulldozer cab of overturning, like Figs. 1-2 As shown, including cab body 5, specifically, the cab body 5 includes the right front upright column 51, right rear upright column 52, left front upright column 53 and left rear upright column 54 of four -angle distribution, so design, can reduce upright column shadow area, increase operator work visual field, improve security.

[0024] Cab body 5 is rotatably connected on the frame through rear suspension 4, specifically, rear suspension 4 is arranged at the rear side of right rear upright column 52 and left rear upright column 54, cab body 5 can carry out overturning action along rear suspension 4 under the action of lifting oil cylinder 1, specifically, one end of lifting oil cylinder 1 is fixed on the frame, and the other end is connected with cab body 5 through mounting seat 3, so design, can make operator carry out fault inspection, repair, maintenance in spacious area, improve the maintenance convenience, cab body 5 and the frame are further provided with support frame 2 of its mechanical limiting effect, one end of support frame 2 is hinged with cab body 5, and sliding limit is arranged between the other end and the frame, specifically, support frame 2 is connected on the frame through guide rail structure, for preventing lifting oil cylinder 1 from causing cab body 5 to accidentally fall down due to pressure relief, further improve the security.

[0025] In conclusion, the utility model provides a four -column bulldozer cab of overturning, can increase operator work visual field, can also carry out fault inspection, repair and maintenance to spare part in spacious area, has the advantages such as improving operator ride comfort and maintenance convenience, has great market value, and it is worth widely popularization and application.

[0026] The above, only for the utility model preferred specific implementation, but the protection scope of the utility model is not limited to this, any skilled person in the art in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. A reversible four-post bulldozer cab, characterized by: The cab body (5) is rotatably connected to the frame through the rear suspension (4), and the cab body (5) can perform a turnover action along the rear suspension (4) under the action of the lifting oil cylinder (1), and a support frame (2) is further arranged between the cab body (5) and the frame, one end of the support frame (2) is hinged to the cab body (5), and the other end is provided with sliding limiting between the frame, for preventing the cab body (5) from accidentally falling due to pressure relief of the lifting oil cylinder (1).

2. A reversible four-post bulldozer cab according to claim 1, characterized in that: The cab body (5) comprises a right front upright column (51), a right rear upright column (52), a left front upright column (53) and a left rear upright column (54) distributed in a quadrangle.

3. A reversible four-post bulldozer cab according to claim 2, characterized in that: The rear suspension (4) is arranged at the rear side of the right rear upright column (52) and the left rear upright column (54).

4. A reversible four-post bulldozer cab according to claim 1, characterized in that: One end of the lifting oil cylinder (1) is fixed on the frame, and the other end is connected to the cab body (5) through a mounting seat (3).

5. A reversible four-post bulldozer cab according to claim 1, characterized in that: The support frame (2) is connected to the frame through a guide rail structure.

Images