CN218702660U - Roof lifting mechanism for cab of mining engineering vehicle - Google Patents

Abstract

The utility model discloses a mining engineering vehicle driver's cabin ceiling elevating system belongs to engineering machine tool equipment and makes technical field. The lifting mechanism comprises a supporting structure for supporting a ceiling of a cab, wherein the supporting structure comprises a first upright post, a second upright post, a third upright post and a fourth upright post; the lifting structure is connected with the supporting structure and used for controlling the pitching lifting of the cab ceiling, the lifting structure comprises a first oil cylinder, a second oil cylinder, a first sleeve and a second sleeve, the first oil cylinder and the first sleeve are located in the first stand column, and the second oil cylinder and the second sleeve are located in the second stand column. The utility model discloses can make the driver's cabin ceiling in the certain angle of every single move of mining engineering car working process, improve work field of vision and headroom. The operation of the mining engineering automobile is more convenient for operators to drive, and the construction safety is further ensured.

Description

Roof lifting mechanism for cab of mining engineering vehicle

Technical Field

The utility model belongs to the technical field of the engineering machine tool equipment makes, more specifically the utility model relates to a mining engineering vehicle driver's cabin ceiling elevating system that says so.

Background

The mining truck belongs to off-highway truck, mainly used in mine, engineering, more durable than general truck, the load also more. Structurally, mining trucks and ordinary dump trucks appear not to be as large as if they were just "large". In fact, the mining truck is substantially different from the common dump truck in design concept. The common dump truck is used for road transportation, and the mine truck is used for mine construction operation, so that the whole truck and parts of the mine truck take the mine operation environment into consideration, and the dump truck is designed and manufactured for the users.

The mining engineering vehicle belongs to a mining automobile, a cab plays a very important role in the mining engineering vehicle, the cab is usually connected with a frame, a cab bottom plate, a seat, an operation table, a protective cover and a front protective plate are generally arranged in the cab, and certainly, fire extinguishers are few for safety. When the mining engineering vehicle works, if the ceiling of a cab is fixed, the visual field of an operator is too small, even the sight is blocked, the construction precision is influenced, and in addition, the mine operation environment is complex, and even the construction safety is influenced.

Disclosure of Invention

Influence operating personnel sight, influence this problem of construction easily when fixed to mining engineering vehicle driver's cabin canopy, the utility model aims at providing a mining engineering vehicle driver's cabin canopy elevating system, this mining engineering vehicle driver's cabin canopy elevating system include bearing structure and elevation structure. The utility model discloses can make the driver's cabin ceiling in the certain angle of every single move of mining engineering car working process, improve work field of vision and headroom. The operation of the mining engineering automobile is more convenient for operators to drive, and the construction safety is further ensured.

The utility model aims at providing a mining engineering vehicle driver's cabin ceiling elevating system, this ceiling elevating system include bearing structure and elevation structure, bearing structure is used for supporting the ceiling of driver's cabin, just bearing structure is connected with the ceiling that supports the driver's cabin, elevation structure is used for controlling the every single move angle regulation of driver's cabin ceiling, elevation structure one end is connected with bearing structure, and the elevation structure other end is connected with the ceiling.

The supporting structure comprises a first stand column, a second stand column, a third stand column and a fourth stand column, wherein the first stand column, the second stand column, the third stand column and the fourth stand column are located around the cab.

In some embodiments, the first column, the second column, the third column and the fourth column are all fixedly arranged on the cab floor.

In some embodiments, the first and second pillars are disposed on a cab floor, and the third and fourth pillars are disposed on a frame.

In some embodiments, the first upright and the second upright are respectively located on two sides of the operation table, and the first upright and the second upright are equal in height, and the third upright and the fourth upright are respectively located on two sides of the seat, and the third upright and the fourth upright are equal in height.

In some embodiments, the third and fourth pillars are higher than the first and second pillars.

And the third upright column and the fourth upright column are connected with the ceiling.

In some embodiments, the third upright and the fourth upright are both rotatably connected with the ceiling.

In some embodiments, a fifth pin shaft is arranged between the third upright column and the ceiling, the third upright column is hinged to the ceiling through the fifth pin shaft, a sixth pin shaft is arranged between the fourth upright column and the ceiling, and the fourth upright column is hinged to the ceiling through the sixth pin shaft.

The lifting structure comprises a first oil cylinder, a second oil cylinder, a first sleeve and a second sleeve, wherein the second oil cylinder and the first sleeve are positioned in the first stand column, and the first oil cylinder and the second sleeve are positioned in the second stand column.

The oil cylinder is connected with the sleeve.

In some embodiments, a second pin is disposed between the first cylinder and the second sleeve, the first cylinder is hinged to the second sleeve through the second pin, a ninth pin is disposed between the second cylinder and the first sleeve, and the second cylinder is hinged to the first sleeve through the ninth pin.

In some embodiments, the first and second rams are connected in parallel.

The lifting structure is connected with the supporting structure.

In some embodiments, a first pin is disposed between the first oil cylinder and the second upright, the first oil cylinder is hinged to the second upright through the first pin, a tenth pin is disposed between the second oil cylinder and the first upright, and the second oil cylinder is hinged to the first upright through the tenth pin.

A hinged plate is arranged between the lifting structure and the ceiling.

In some embodiments, a first hinge plate is arranged between the second sleeve and the ceiling, and a second hinge plate is arranged between the first sleeve and the ceiling.

One end of the sleeve is connected with the oil cylinder, and the other end of the sleeve is connected with the hinged plate.

In some embodiments, a third pin is disposed between the second sleeve and the first hinge plate, the second sleeve is hinged to the first hinge plate through the third pin, an eighth pin is disposed between the first sleeve and the second hinge plate, and the first sleeve is hinged to the second hinge plate through the eighth pin.

One end of the hinged plate is connected with the sleeve, and the other end of the hinged plate is connected with the ceiling.

In some embodiments, a fourth pin shaft is arranged between the first hinge plate and the ceiling, the first hinge plate is hinged to the ceiling through the fourth pin shaft, a seventh pin shaft is arranged between the second hinge plate and the ceiling, and the second hinge plate is hinged to the ceiling through the seventh pin shaft.

The operation panel is provided with a protective cover for protecting the operation panel.

In some embodiments, the shield is shaped as a grid.

In some embodiments, the protective cover is provided with a downward-folded protective plate, the downward-folded protective plate can protect the operation table when the ceiling is in a raised state, because the falling rocks and the like can hit the operation table obliquely when the ceiling is in the raised state, although the protective cover does not necessarily play a role in protection at this time, the downward-folded protective plate can block the falling rocks and the like, and the operation table and the instrument panel are prevented from being damaged by the falling rocks and the like.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a position that third stand, fourth stand set up is higher than the position that first stand, second stand set up, has the difference in height, and this difference in height can be so that the operating personnel field of vision of driver's cabin is broader when the operation, has increased certain headroom.

2. The utility model discloses utilize two hydro-cylinders, two sleeves and two articulated slab to carry out lift adjustment, not only make the every single move lift of driver's cabin ceiling stable, can also energy saving, the relative reduce cost.

3. When the cab ceiling does not need to be lifted in a supine manner, the hinged plate can make up for the height difference between the third upright post and the fourth upright post and between the first upright post and the second upright post, so that the cab ceiling is stably positioned above the cab; when the cab roof is required to be lifted in a supine position, the hinging motion of the hinging plates drives the roof to do pitching motion around the fifth pin shaft of the fixed hinging point and the sixth pin shaft of the fixed hinging point, so that the purpose of pitching lifting of the roof is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the lifting mechanism of the present application;

FIG. 2 is a side view of the lift mechanism of the present application;

FIG. 3 is a front view of the lift mechanism of the present application;

FIG. 4 is a side view of the lift mechanism of the present application;

FIG. 5 is a schematic view of the overall construction of another angle of the lift mechanism of the present application;

fig. 6 is a state diagram of the use of the lifting mechanism of the present application.

In the figure:

1. a front guard plate;

2. a protective cover;

3. a first pin shaft;

4. a first cylinder;

5. a second pin shaft;

6. a third pin shaft;

7. an operation table;

8. a first hinge plate;

9. a fourth pin shaft;

10. a ceiling;

11. a seat;

12. a third column;

13. a fifth pin shaft;

14. a first upright post;

15. a first sleeve;

16. a second sleeve;

17. a second upright post;

18. a fire extinguisher;

19. a fourth column;

20. a sixth pin shaft;

21. a seventh pin shaft;

22. a second hinge plate;

23. an eighth pin shaft;

24. a ninth pin shaft;

25. a second cylinder;

26. a tenth pin shaft;

27. a cab floor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 6 (the indicated directions or positional relationships are shown in fig. 1), in the present embodiment, there is provided a ceiling lifting mechanism for a cab of a mining engineering vehicle, including a supporting structure and a lifting structure, where the supporting structure is used to support a ceiling 10 of the cab, the lifting structure is connected to the supporting structure and is used to control the ceiling of the cab to lift in a pitching manner, the cab is usually connected to a frame, a cab floor 27, a seat 11, an operation console 7, a protective cover 2, and a front guard plate 1 are generally provided in the cab, and certainly, for safety, a fire extinguisher 18 is too few; the supporting structure comprises four upright posts, namely a first upright post 14, a second upright post 17, a third upright post 12 and a fourth upright post 19, wherein the first upright post 14, the second upright post 17, the third upright post 12 and the fourth upright post 19 are positioned around the cab, and the first upright post 14, the second upright post 17, the third upright post 12 and the fourth upright post 19 are all fixedly arranged on the cab bottom plate 27 (if the actual situation needs, the four upright posts can also be arranged as follows: the first upright column 14 and the second upright column 17 are arranged on a cab bottom plate 27, the third upright column 12 and the fourth upright column 19 are arranged on a frame, wherein the first upright column 14 is a first front upright column 14, the second upright column 17 is a second front upright column 17, the first upright column 14 is positioned on the right side of an operation console, the second upright column 17 is positioned on the left side of the operation console, the first upright column 14 and the second upright column 17 have the same height, the third upright column 12 is a first rear upright column 12, the fourth upright column 19 is a second rear upright column 19, the third upright column 12 is positioned on the left rear side of a seat, the fourth upright column 19 is positioned on the right rear side of the seat, the third upright column 12 and the fourth upright column 19 are symmetrical with respect to the seat 11, the third upright column 12 and the fourth upright column 19 have the same height, the third upright column 12 and the fourth upright column 19 are positioned higher than the first upright column 14 and the second upright column 17 (here, "higher than" means that the third upright column 12 and the fourth upright column 19 are positioned higher than the first upright column 14 and the second upright column 17, the third upright column 12 and the fourth upright column 19 are positioned higher than the first upright column 14 and the second upright column 14 and the fourth upright column 17, but the third upright column 14 and the fourth upright column 17 are positioned on the cab bottom plate 27, and the cab bottom plate 27, so that the third upright column 14 and the fourth upright column 17 are positioned on the cab bottom plate 14 and the cab bottom plate 27 are positioned as seen from the entire cab bottom plate 14 and the frame 14, the first upright column 17, and the cab bottom plate 27 may also may be positioned, the second upright column 17), starting from the left front of the cab seat 11, the second upright column 17, the first upright column 14, the fourth upright column 19 and the third upright column 12 are arranged in the clockwise direction, the first upright column 14 and the fourth upright column 19 are positioned on the same straight line, the second upright column 17 and the third upright column 12 are positioned on the same straight line, and the first upright column 14, the second upright column 17, the third upright column 12 and the fourth upright column 19 form a rectangle (which can also be a square) when viewed from top to bottom; the lifting structure is positioned in front of the cab seat 11 and comprises a first oil cylinder 4, a second oil cylinder 25, a first sleeve 15 and a second sleeve 16, the second oil cylinder (25) and the first sleeve 15 are positioned in the first upright post 14, and the first oil cylinder (4) and the second sleeve 16 are positioned in the second upright post (17); preceding backplate 1 is located second stand 17, first stand 14 preceding, and ceiling 10 front end is in operation panel 7 top, and 2 lower extremes of protection casing are preceding in backplate 1 in the front, and 2 upper ends of protection casing are connected with ceiling 10 front end, and protection casing 2 is the grid form, and protection casing 2 is the tilt state (promptly protection casing 2 has certain angle with ceiling 10, in the driver's cabin, and protection casing 2 is the obtuse angle with the contained angle of ceiling 10), and this mining engineering vehicle driver's cabin ceiling elevating system specifically connects as follows:

the second upright column 17 is a hollow column, a first pin shaft 3 is arranged in the second upright column 17, the first pin shaft 3 is positioned at the lower end of the second upright column 17, a first oil cylinder 4 is arranged above the first pin shaft 3, the first oil cylinder 4 is hinged with the second upright column 17 through the first pin shaft 3, a second pin shaft 5 is arranged above the first oil cylinder 4, a second sleeve 16 is arranged above the second pin shaft 5, the first oil cylinder 4 is hinged with the second sleeve 16 through the second pin shaft 5, the lower end of the second sleeve 16 is sleeved at the upper end of the first oil cylinder 4, the first oil cylinder 4 is provided with a first movable end, the first movable end is positioned at the upper end of the first oil cylinder 4, the first movable end is positioned in the second sleeve 16, a first hinged plate 8 is arranged between the second sleeve 16 and the ceiling 10 (the first hinged plate 8 is parallel to the protective cover 2), namely, the first hinged plate 8 and the ceiling 10 have a certain angle, in the ceiling 8, in the driving cab, the first upright column 8 and the ceiling 10, the first hinged plate 8 is an obtuse angle, the angle between the first hinged plate 8 and the ceiling 10 is equal to the angle between the protective cover 2 and the ceiling 10, the angle between the second upright column 17, a fourth pin shaft 6 is arranged between the fourth pin shaft 6, the fourth pin shaft 6 is positioned at the upper end of the third pin shaft 6, the fourth pin shaft 10, the fourth pin shaft 6 is arranged on the third pin shaft 10, the fourth pin shaft 6, the fourth pin shaft 10, the third pin shaft 6, the fourth pin shaft 10, the fourth pin shaft 6 is arranged on the third pin shaft 10, the fifth pin shaft 13 is positioned at the rear end of the ceiling 10, the fifth pin shaft 13 is positioned at the upper end of the third upright post 12, and the ceiling 10 is hinged with the third upright post 12 through the fifth pin shaft 13; the first upright post 14 is a hollow post, a tenth pin shaft 26 is arranged in the first upright post 14, the tenth pin shaft 26 is positioned at the lower end of the first upright post 14, a second oil cylinder 25 is arranged above the tenth pin shaft 26, the second oil cylinder 25 is hinged with the first upright post 14 through the tenth pin shaft 26, a ninth pin shaft 24 is arranged above the second oil cylinder 25, a first sleeve 15 is arranged above the ninth pin shaft 24, the second oil cylinder 25 is hinged with the first sleeve 15 through the ninth pin shaft 24, the lower end of the first sleeve 15 is sleeved at the upper end of the second oil cylinder 25, the second oil cylinder 25 is provided with a second movable end, the second movable end is positioned at the upper end of the second oil cylinder 25, the second movable end is positioned in the first sleeve 15, a second hinge plate 22 is arranged between the first sleeve 15 and the ceiling 10, the second hinge plate 22 is parallel to the first hinge plate 8 (namely, the second hinge plate 22 has a certain angle with the ceiling 10, in the cab, an included angle between the second hinge plate 22 and the ceiling 10 is an obtuse angle, and in the process of pitching and lifting of the ceiling 10, the included angle between the second hinge plate 22 and the ceiling 10 is always equal to the included angle between the first hinge plate 8 and the ceiling 10, so that synchronous hinging motion of the second hinge plate 22 and the first hinge plate 8 can be ensured, and the synchronism and the stability of the pitching and lifting of the ceiling are maintained, an eighth pin shaft 23 is arranged between the first sleeve 15 and the second hinge plate 22, the eighth pin shaft 23 is positioned at the upper end of the first sleeve 15, the eighth pin shaft 23 is positioned at the lower end of the second hinge plate 22, the first sleeve 15 is hinged with the second hinge plate 22 through the eighth pin shaft 23, the lower end of the second hinge plate 22 is connected with the first sleeve 15, the upper end of the second hinge plate 22 is connected with the front end of the ceiling 10, a seventh pin shaft 21 is arranged between the second hinge plate 22 and the ceiling 10, and the seventh pin shaft 21 is positioned at the upper end of the second hinge plate 22, the seventh pin shaft 21 is located at the front end of the ceiling 10, the second hinge plate 22 is hinged to the ceiling 10 through the seventh pin shaft 21, a sixth pin shaft 20 is arranged between the ceiling 10 and the fourth upright post 19, the sixth pin shaft 20 is located at the rear end of the ceiling 10, the sixth pin shaft 20 is located at the upper end of the fourth upright post 19, and the ceiling 10 is hinged to the fourth upright post 19 through the sixth pin shaft 20; the first oil cylinder 4 and the second oil cylinder 25 are connected in parallel.

The utility model discloses a theory of operation is: the first oil cylinder 4 and the second oil cylinder 25 are connected in parallel, when the movable ends of the first oil cylinder 4 and the second oil cylinder 25 extend out simultaneously, the first sleeve 15 and the second sleeve 16 can lift in the first upright post 14 and the second upright post 17 simultaneously, and the ceiling 10 can do pitching motion around the fifth pin shaft 13 of the fixed hinged point and the sixth pin shaft 20 of the fixed hinged point through the hinged motion of the first hinged plate 8 and the second hinged plate 22, so that the purpose of pitching and lifting of the ceiling is achieved.

Example 2

In this embodiment, the lower end of the protective cover 2 is in front of the front protective plate 1, the upper end of the protective cover 2 is connected with the hinged plate, the upper end of the protective cover 2 on the left side is connected with the first hinged plate 8, the upper end of the protective cover 2 on the right side is connected with the second hinged plate 22 (the protective cover 2 is connected with the hinged plate to strengthen the strength of the hinged plate and reduce the pressure of the ceiling on the hinged plate), at this time, the protective cover 2 is equivalent to a connecting rod of the first hinged plate 8 and the second hinged plate 22, when the first hinged plate 8 performs the hinged motion, the first hinged plate 8 can drive the second hinged plate 22 through the protective cover 2 to perform the hinged motion synchronously (or when the second hinged plate 22 performs the hinged motion, the second hinged plate 22 can drive the first hinged plate 8 through the protective cover 2 to perform the hinged motion synchronously), and the rest structures are the same as those in embodiment 1.

Example 3

In this embodiment, the lower end of the hood 2 has a downward folded guard plate, the downward folded guard plate is parallel to the front guard plate 1, the downward folded guard plate can protect the console when the ceiling is in a raised state, and prevent falling rocks and the like from damaging the console and the instrument panel, and the rest of the structure is the same as that of embodiment 1.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims (10)

1. The utility model provides a mining engineering vehicle driver's cabin ceiling elevating system which characterized in that includes:

the supporting structure is used for supporting a ceiling (10) of a cab and comprises four upright posts, two of the upright posts are positioned on one side close to the operating platform (7), the other two upright posts are positioned on one side far away from the operating platform (7), and the two upright posts on one side far away from the operating platform (7) are respectively connected with the ceiling (10);

the lifting structure is connected with the supporting structure and used for controlling the pitching angle adjustment of the cab ceiling (10), the lifting structure comprises two oil cylinders, the two oil cylinders are respectively arranged in two stand columns close to one side of the operating platform (7), and the two stand columns close to one side of the operating platform (7) are respectively hinged with the ceiling (10) through hinged plates.

2. The mining engineering vehicle cab lifting mechanism is characterized in that the four upright posts are a first upright post (14), a second upright post (17), a third upright post (12) and a fourth upright post (19), the first upright post (14), the second upright post (17), the third upright post (12) and the fourth upright post (19) are located on the periphery of the cab, the first upright post (14) and the second upright post (17) are located on one side close to the operating console (7), the ceiling (10) is hinged to the first upright post (14) and the second upright post (17), the third upright post (12) and the fourth upright post (19) are located on one side far away from the operating console (7), and the ceiling (10) is rotatably connected with the third upright post (12) and the fourth upright post (19) respectively; the two oil cylinders are respectively a first oil cylinder (4) and a second oil cylinder (25), the lifting structure further comprises two sleeves which are respectively a first sleeve (15) and a second sleeve (16), the second oil cylinder (25) and the first sleeve (15) are located inside a first upright post (14), the first oil cylinder (4) and the second sleeve (16) are located inside a second upright post (17), and the first sleeve (15) and the second sleeve (16) are hinged to the ceiling (10) through a first hinged plate (8) and a second hinged plate (22).

3. The mining engineering vehicle cab ceiling lifting mechanism is characterized in that the first upright column (14) and the second upright column (17) are arranged on a cab bottom plate (27), the first upright column (14) and the second upright column (17) are respectively located on two sides of the operating platform (7), the first upright column (14) and the second upright column (17) are equal in height, the third upright column (12) and the fourth upright column (19) are arranged on the frame, the third upright column (12) and the fourth upright column (19) are respectively located on two sides of the seat (11), and the third upright column (12) and the fourth upright column (19) are equal in height.

4. The mining engineering vehicle cab canopy lifting mechanism according to claim 2, wherein the third upright column (12) and the fourth upright column (19) are located at positions higher than the first upright column (14) and the second upright column (17).

5. The mining engineering vehicle cab shed lifting mechanism according to claim 2, wherein one end of the first oil cylinder (4) is hinged to the second upright post (17), the other end of the first oil cylinder (4) is hinged to the second sleeve (16), and the other end of the first oil cylinder (4) is located inside the second sleeve (16).

6. The mining engineering vehicle cab ceiling lifting mechanism is characterized in that a first hinged plate (8) is arranged between the second sleeve (16) and a ceiling (10), a third pin shaft (6) is arranged between the first hinged plate (8) and the second sleeve (16), one end of the first hinged plate (8) is hinged to the second sleeve (16) through the third pin shaft (6), a fourth pin shaft (9) is arranged between the first hinged plate (8) and the ceiling (10), and the other end of the first hinged plate (8) is hinged to the ceiling (10) through the fourth pin shaft (9).

7. The mining engineering vehicle cab canopy lifting mechanism according to claim 2, wherein one end of the second oil cylinder (25) is hinged to the first upright (14), the other end of the second oil cylinder (25) is hinged to the first sleeve (15), and the other end of the second oil cylinder (25) is located inside the first sleeve (15).

8. The mining engineering vehicle cab ceiling lifting mechanism according to claim 2, wherein the second hinged plate (22) is arranged between the first sleeve (15) and the ceiling (10), an eighth pin shaft (23) is arranged between the second hinged plate (22) and the first sleeve (15), one end of the second hinged plate (22) is hinged to the first sleeve (15) through the eighth pin shaft (23), a seventh pin shaft (21) is arranged between the second hinged plate (22) and the ceiling (10), and the other end of the second hinged plate (22) is hinged to the ceiling (10) through the seventh pin shaft (21).

9. The mining engineering vehicle cab canopy lifting mechanism according to claim 2, wherein the first cylinder (4) and the second cylinder (25) are connected in parallel.

10. The mining engineering vehicle cab ceiling lifting mechanism is characterized in that a protective cover (2) is arranged on the operating platform (7), and the protective cover (2) is provided with a downward-folded protective plate.

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