Lifting jacking device of coal mine car

Abstract

The utility model relates to the technical field of coal mine cars, and discloses a lifting jacking device of a coal mine car, which comprises a car cover arranged at the top end of a car body, forward wheels arranged at four corners of the bottom end of the car body, a connector arranged on one side of the car body, and a lifting structure, the lifting structure is arranged between the vehicle cover and the vehicle body and used for driving the vehicle cover to ascend or descend. A telescopic extension plate; the telescopic extension plates are arranged on the two sides of the vehicle cover in a sliding mode and used for enlarging the jacking area. Compared with the prior art, the lifting jacking device has the advantages that the lifting jacking device is directly arranged on the coal mine vehicle, the top end of a roadway can be jacked when the lifting jacking device ascends, the top end of the coal mine vehicle can be covered when the lifting jacking device contracts, meanwhile, the jacking area can be enlarged conveniently, and use is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine car, specifically point to a kind of lifting and clamping device of coal mine car. BACKGROUND

[0002] Coal mine car is narrow-gauge railway haulage vehicle for conveying coal, ore and waste rock and other bulk materials in mine, usually must be hauled by locomotive or winch. It is mainly used for ore transportation, auxiliary equipment transportation, personnel transportation, waste disposal and rescue and emergency handling in coal mine production, and is an indispensable part of coal mine production.

[0003] When coal mine car works in mine, collapse may occur due to geological conditions, in order that coal mine car can stably work under various terrains, roadway is often clamped, and traditional clamping is usually carried out by temporary support, which is back and forth, with high labor intensity and low working efficiency. UTILITY MODEL CONTENT

[0004] I. Technical problem to be solved

[0005] The utility model to be solved technical problem is to overcome above technical difficulties, provide a lifting and clamping device directly arranged on coal mine car, which can not only clamp the top of roadway when rising, but also shrink to cover the top of coal mine car, and is convenient for expanding clamping area and convenient to use.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a lifting and clamping device of coal mine car, which comprises a cover arranged at the top of the vehicle body, and the bottom of the vehicle body is provided with four forward wheels at four corners, and one side of the vehicle body is provided with a connecting head, and further comprising:

[0008] Lifting structure; the lifting structure is arranged between the cover and the vehicle body, and is used for driving the cover to rise or move downward;

[0009] Telescopic extension plate; the telescopic extension plate is slidably arranged at both sides of the cover, and is used for expanding the clamping area.

[0010] As an improvement, the lifting structure comprises a motor and a gear; the vehicle body is provided with an inclined plate arranged obliquely at both sides, and the number of motors is two, which are fixedly arranged on the inclined plates respectively, and the gears are arranged at the output ends of the motors respectively; the lifting structure further comprises a guide pipe and a rack; the guide pipes are fixedly arranged at both sides of the vehicle body in pairs, the racks are inserted into the guide pipes respectively, and are in meshing relationship with the gears on the side, and the top end of the rack is fixedly connected with the cover.

[0011] As improvement, the four corners of the vehicle body are provided with fixing plates, the top end of each fixing plate is further provided with a telescopic rod, and the telescopic end of each telescopic rod is fixedly connected with the vehicle cover.

[0012] As improvement, the two sides of the vehicle cover are provided with openings, and telescopic extension plates are inserted into the openings, the two sides of each telescopic extension plate are provided with sliding blocks, and the vehicle cover is provided with sliding grooves matched with the sliding blocks.

[0013] As improvement, a certain friction force exists between the sliding blocks and the sliding grooves, and the bottom end of each telescopic extension plate is provided with a pull rod.

[0014] Three, beneficial effects

[0015] The utility model has the advantages that compared with prior art:

[0016] 1. The motor, gear, rack and guide pipe, and the auxiliary telescopic rods at the four corners can drive the vehicle cover to rise, directly tighten the top of the roadway, cover the top end of the vehicle body when the vehicle cover is retracted, and conveniently use.

[0017] 2. The telescopic extension rods, sliding blocks, sliding grooves and pull rods can directly pull the telescopic extension rods on the two sides to the outside, extend outward, further expand the tightening area, and conveniently and flexibly use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the three-dimensional schematic view of the lifting and tightening device of the coal mine vehicle Figure 1 .

[0019] Figure 2 is the three-dimensional schematic view of the lifting and tightening device of the coal mine vehicle Figure 2 .

[0020] Figure 3 is the A part detail enlarged view of the lifting and tightening device of the coal mine vehicle Figure 1 .

[0021] Figure 4 is the B part detail enlarged view of the lifting and tightening device of the coal mine vehicle Figure 2 .

[0022] As shown in the figure: 1, vehicle body; 2, front wheel; 3, connecting head; 4, vehicle cover; 5, fixing plate; 6, telescopic rod; 7, inclined plate; 8, motor; 9, guide pipe; 10, rack; 11, gear; 12, telescopic extension plate; 13, sliding block; 14, pull rod. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variations thereof are intended to cover non-exclusive inclusion.

[0024] The utility model will be further described in detail below with reference to the drawings.

[0025] Combined with the drawings Figure 1 and the drawings Figure 2 A lifting and clamping device of a coal mine car, comprising a car cover 4 arranged at the top end of a car body 1, the four corners of the bottom end of the car body 1 are each provided with a forward wheel 2, which facilitates the forward movement of the car body 1, and one side of the car body 1 is provided with a connecting head 3, which is convenient for connecting with an external towing vehicle in an integrated manner, and further comprising: the four corners of the car body 1 are each provided with a fixed plate 5, the top end of the fixed plate 5 is further provided with an extension rod 6, and the extension end of the extension rod 6 is fixedly connected with the car cover 4, which is used in cooperation with a lifting structure to play a role in auxiliary support.

[0026] Combined with the drawings Figure 1 and the drawings Figure 4 A lifting structure is arranged between the car cover 4 and the car body 1, which is used to drive the car cover 4 to rise or move downward. The lifting structure comprises a motor 8 and a gear 11. The two sides of the car body 1 are each provided with an inclined plate 7 arranged obliquely, and the number of the motor 8 is two, which are fixedly arranged on the inclined plate 7, and the gear 11 is arranged at the output end of the motor 8. The lifting structure further comprises a guide pipe 9 and a rack 10. The pair of guide pipes 9 are fixedly arranged on the two sides of the car body 1, the rack 10 is inserted into the guide pipe 9, and the rack 10 is in meshing relationship with the gear 11 on the side. The top end of the rack 10 is fixedly connected with the car cover 4, the two motors 8 rotate at the same time, drive the gear 11 to rotate, the rack 10 in meshing relationship with the gear 11 continuously moves upward and slowly extends into the guide pipe 9, drives the car cover 4 to continuously rise, and directly clamps the top end of the roadway.

[0027] Combined with the drawings Figure 2 and the drawings Figure 3, telescopic extension plate 12; telescopic extension plate 12 slidingly arranged at both sides of the car cover 4, for expanding the top pressing area; both sides of the car cover 4 are provided with openings, and the telescopic extension plate 12 is inserted into the openings, both sides of the telescopic extension plate 12 are provided with sliding blocks 13, the car cover 4 is provided with sliding grooves matched with the sliding blocks 13, and a certain friction force exists between the sliding blocks 13 and the sliding grooves, and the bottom end of the telescopic extension plate 12 is provided with a pull rod 14, and the telescopic extension plate 12 on both sides is driven to extend out by the pull rod 14, the sliding block 13 slides in the sliding groove, and the top pressing area is expanded, and the use mode is flexible.

[0028] The utility model in specific implementation time:

[0029] Firstly, the vehicle body 1 and the tractor can be directly connected by the connecting head 3.

[0030] Then, when the top of the roadway needs to be pressed, the telescopic extension plate 12 on both sides is driven to extend out by the pull rod 14, the sliding block 13 slides in the sliding groove, the top pressing area is expanded, and the use mode is flexible.

[0031] Then, the motors 8 on both sides are started at the same time, the motor 8 drives the gear 11 to rotate, the rack 10 engaged with the gear 11 continuously moves upwards, the guide pipe 9 slowly extends out, the telescopic rods 6 at four corners continuously extend, the car cover 4 continuously rises, and the top of the roadway is directly pressed.

[0032] When moving is needed, the motors 8 on both sides are reversed, the car cover 4 continuously moves downwards, and the top of the vehicle body 1 can be directly covered, and the use mode is flexible.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0034] The utility model and its implementation mode have been described above, and the description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if those skilled in the art are inspired, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments of the technical scheme can be designed, which should belong to the protection scope of the utility model.

Claims

1. A lifting and jacking device for a coal mine car, comprising a car cover (4) arranged at the top end of a car body (1), the bottom end of the car body (1) is provided with four forward wheels (2), and one side of the car body (1) is provided with a connecting head (3), characterized in that, Also include: Lifting structure; lifting structure is arranged between the car cover (4) and the car body (1), for driving the car cover (4) to rise or move down; Telescopic extension plate (12); telescopic extension plate (12) is slidably arranged on both sides of the car cover (4), for expanding the clamping area.

2. The lifting and clamping device of the coal mine car according to claim 1, wherein: The lifting structure comprises a motor (8) and a gear (11); both sides of the car body (1) are provided with an inclined plate (7) arranged obliquely, and the number of the motor (8) is two, which are fixedly arranged on the inclined plate (7), and the gear (11) is arranged on the output end of the motor (8); The lifting structure further comprises a guide pipe (9) and a rack (10); the pair of guide pipes (9) are fixedly arranged on both sides of the car body (1), the rack (10) is inserted into the guide pipe (9), and the rack (10) is engaged with the gear (11) on the side, and the top end of the rack (10) is fixedly connected with the car cover (4).

3. A lifting and jacking device for a coal mine vehicle as claimed in claim 1 wherein: The four corners of the car body (1) are provided with a fixed plate (5), and the top end of the fixed plate (5) is further provided with a telescopic rod (6), and the telescopic end of the telescopic rod (6) is fixedly connected with the car cover (4).

4. A lifting and jacking device for a coal mine vehicle as claimed in claim 1 wherein: Both sides of the car cover (4) are provided with an opening, and the telescopic extension plate (12) is inserted into the opening, both sides of the telescopic extension plate (12) are provided with a sliding block (13), and the car cover (4) is provided with a sliding groove matched with the sliding block (13).

5. A lifting and jacking device for a coal mine vehicle as claimed in claim 4 wherein: There is a certain friction force between the sliding block (13) and the sliding groove, and one side of the bottom end of the telescopic extension plate (12) is provided with a pull rod (14).

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