Mining lorry-mounted crane supporting mechanism

Abstract

The utility model relates to the technical field of engineering machinery, and discloses a mining lorry-mounted crane supporting mechanism. Comprising a base and further comprises a rotary table arranged at the top of the base, a first pin shaft is arranged at the top of the base, a hydraulic oil cylinder is arranged in an inner cavity of the rotary table, a second pin shaft is rotationally connected to the inner wall of the rotary table, and a third pin shaft is arranged on a piston rod of the hydraulic oil cylinder; through the arrangement of the base, the rotary table, the first pin shaft, the hydraulic oil cylinder, the second pin shaft, the third pin shaft and the basic arm, the hydraulic oil cylinder can be conveniently inclined backwards, the space below the suspension arm can be released under the condition that the lorry-mounted crane works stably, other accessories can be conveniently installed, meanwhile, the overall size of the lorry-mounted crane is compressed, and the cost is reduced. According to the small crane, the limited space in a mining area can be more effectively utilized, and especially in a narrow or crowded working environment, the small crane is easier to move and operate, so that the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field, concretely is a mine with truck crane supporting mechanism. BACKGROUND

[0002] The mine with truck crane supporting mechanism is the key component for ensuring that the crane keeps stable under the harsh environment such as mine, and is usually composed of supporting legs, supporting feet and supports, and realizes supporting and adjusting through a hydraulic system, and has the characteristics of stable structure, strong adaptability, high safety and the like.

[0003] The space in the mine is narrow, and many heavy objects are inconvenient to move, so the truck crane is needed to hoist the objects, and the stability and adjustability are considered, therefore, the mine with truck crane supporting mechanism is needed to be used, but the traditional supporting mechanism, such as H type, frog type and X type supporting leg, has a relatively complex structure, and contains multiple hydraulic cylinders, supporting feet and connecting components. These components need to occupy a certain space when being designed and manufactured, thereby limiting the compression of the overall size of the truck crane, and meanwhile, when other accessories are installed below the hoisting arm of the traditional crane, the space occupied by the supporting mechanism needs to be considered, which may cause the installation position to be limited or unable to be installed. SUMMARY

[0004] The utility model aims at providing a mine with truck crane supporting mechanism to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mine with truck crane supporting mechanism, comprising a base, further comprising:

[0006] A turntable is arranged on the top of the base, the top of the base is provided with a first pin shaft, the inner cavity of the turntable is provided with a hydraulic oil cylinder, the inner wall of the turntable is rotatably connected with a second pin shaft, the piston rod of the hydraulic oil cylinder is provided with a third pin shaft, and the upper side of the turntable is provided with a basic arm.

[0007] Preferably, the top of the base is fixedly connected with a mounting disc, and the inner wall of the mounting disc is rotatably connected with a bearing.

[0008] Preferably, one side of the turntable is fixedly connected with a fixed plate, and the bottom of the fixed plate is clamped with the top of the bearing.

[0009] Preferably, the top of the bearing is fixedly connected with a mounting seat, and the inner wall of the mounting seat is rotatably connected with the outer side of the first pin shaft, one end of the first pin shaft is fixedly connected with a first limiting disc, and the outer side of the first pin shaft is rotatably connected with a connecting block for connecting the hydraulic oil cylinder.

[0010] Preferably, the piston rod of the hydraulic cylinder is fixedly connected with a fixed block, and the inner wall of the fixed block is rotatably connected with the outer side of the third pin shaft, and the outer side of the third pin shaft is rotatably connected with a positioning plate.

[0011] Preferably, the bottom of the positioning plate is fixedly connected with a limiting block, and the inner wall of the limiting block is rotatably connected with the outer side of the second pin shaft.

[0012] Preferably, one end of the third pin shaft is fixedly connected with a second limiting disc, and one end of the second pin shaft is fixedly connected with a third limiting disc.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The base, the rotary table, the first pin shaft, the hydraulic cylinder, the second pin shaft, the third pin shaft and the base arm are arranged, so that the hydraulic cylinder can be inclined backward, the space below the boom can be released under the condition that the working stability of the truck-mounted crane is ensured, other accessories are conveniently installed, the size of the truck-mounted crane is compressed, the limited space in the mine area can be more effectively utilized, especially in the narrow or crowded working environment, the small-sized crane is more easily moved and operated, and therefore the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure schematic view of a preferred embodiment of the mine-used truck-mounted crane supporting mechanism is provided.

[0016] Figure 2 A base and rotary table structure schematic view is provided.

[0017] Figure 3 A second pin shaft and positioning plate structure schematic view is provided.

[0018] Figure 4 A base arm and positioning plate structure schematic view is provided.

[0019] In the drawing: 1, base; 2, rotary table; 3, first pin shaft; 4, hydraulic cylinder; 5, second pin shaft; 6, third pin shaft; 7, base arm; 8, mounting disc; 9, bearing; 10, fixed plate; 11, mounting seat; 12, first limiting disc; 13, connecting block; 14, fixed block; 15, positioning plate; 16, limiting block; 17, second limiting disc; 18, third limiting disc. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 As shown in the figure, a mine truck-mounted crane supporting mechanism, including base 1, by setting base 1, can be convenient for the installation disc 8 is fixed, the top of base 1 is provided with rotary table 2, by setting rotary table 2, can be convenient for the second pin shaft 5 is rotated, the top of base 1 is provided with first pin shaft 3, by setting first pin shaft 3, can be convenient for the connecting block 13 is rotated, the inner cavity of rotary table 2 is provided with hydraulic oil cylinder 4, by setting hydraulic oil cylinder 4, can be convenient for the fixed block 14 is driven, the inner wall of rotary table 2 is rotatably connected with second pin shaft 5, by setting second pin shaft 5, can be convenient for the limiting block 16 is rotated, the piston rod of hydraulic oil cylinder 4 is provided with third pin shaft 6, by setting third pin shaft 6, can be convenient for the fixed block 14 is connected, the top of rotary table 2 is provided with base arm 7, by setting base arm 7, can be convenient for the object is lifted.

[0022] The top of base 1 is fixedly connected with installation disc 8, by setting installation disc 8, can be convenient for the bearing 9 is rotated, the inner wall of installation disc 8 is rotatably connected with bearing 9, by setting bearing 9, can be convenient for the fixed plate 10 is installed;The side of rotary table 2 is fixedly connected with fixed plate 10, by setting fixed plate 10, can be convenient for the rotary table 2 is connected, and the bottom of fixed plate 10 and the top of bearing 9 are clamped.

[0023] The top of bearing 9 is fixedly connected with mounting seat 11, by setting mounting seat 11, can be convenient for the first pin shaft 3 is rotated, and the inner wall of mounting seat 11 and the outer side of first pin shaft 3 are rotatably connected, one end of first pin shaft 3 is fixedly connected with first limiting disc 12, by setting first limiting disc 12, can be convenient for the first pin shaft 3 is limited, the outer side of first pin shaft 3 is rotatably connected with connecting block 13 for connecting hydraulic oil cylinder 4;The piston rod of hydraulic oil cylinder 4 is fixedly connected with fixed block 14, by setting fixed block 14, can be convenient for the third pin shaft 6 is connected, and the inner wall of fixed block 14 and the outer side of third pin shaft 6 are rotatably connected, the outer side of third pin shaft 6 is rotatably connected with positioning plate 15, by setting positioning plate 15, can be convenient for the base arm 7 is fixed.

[0024] The bottom of the positioning plate 15 is fixedly connected with a limiting block 16, through the limiting block 16, the positioning plate 15 can be conveniently connected, and the inner wall of the limiting block 16 is rotatably connected with the outer side of the second pin shaft 5; one end of the third pin shaft 6 is fixedly connected with a second limiting disc 17, through the second limiting disc 17, the third pin shaft 6 can be conveniently limited, one end of the second pin shaft 5 is fixedly connected with a third limiting disc 18, through the third limiting disc 18, the second pin shaft 5 can be conveniently limited.

[0025] Working principle: the first pin shaft 3 is used as the shaft, the connecting block 13 is connected with the hydraulic oil cylinder 4, so that the hydraulic oil cylinder 4 can rotate around the first pin shaft 3, the hydraulic oil cylinder 4 drives the fixed block 14 to move, the fixed block 14 is connected with the third pin shaft 6, the third pin shaft 6 is connected with the positioning plate 15, and the second pin shaft 5 is used as the supporting point, so that the positioning plate 15 rotates around the second pin shaft 5, so as to rotate the base arm 7, and then the object is lifted, the lifting arm supporting point moves backward, the lifting arm as a whole does not exceed the space occupied by the supporting leg, the overall size of the truck crane is reduced, the hydraulic oil cylinder 4 is inclined backward, and the space below the lifting arm is released, which is used for installing the winch and other auxiliary tools.

[0026] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus including the element.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A support mechanism for a mining mobile crane comprising a base (1), characterised in that, Also include: The base (1) is provided with a rotating table (2) on the top, the top of the base (1) is provided with a first pin shaft (3), the inner cavity of the rotating table (2) is provided with a hydraulic oil cylinder (4), the inner wall of the rotating table (2) is rotatably connected with a second pin shaft (5), the piston rod of the hydraulic oil cylinder (4) is provided with a third pin shaft (6), the upper side of the rotating table (2) is provided with a foundation arm (7).

2. A support mechanism for a mining rope shovel according to claim 1, characterised in that: The top of the base (1) is fixedly connected with a mounting disc (8), and the inner wall of the mounting disc (8) is rotatably connected with a bearing (9).

3. The support mechanism for a mining rope shovel according to claim 1, characterised in that: One side of the rotating table (2) is fixedly connected with a fixed plate (10), and the bottom of the fixed plate (10) is clamped with the top of the bearing (9).

4. A support mechanism for a mining rope shovel according to claim 3, characterised in that: The top of the bearing (9) is fixedly connected with a mounting seat (11), and the inner wall of the mounting seat (11) is rotatably connected with the outer side of the first pin shaft (3), one end of the first pin shaft (3) is fixedly connected with a first limiting disc (12), and the outer side of the first pin shaft (3) is rotatably connected with a connecting block (13) for connecting the hydraulic oil cylinder (4).

5. The support mechanism for a mining crane as claimed in claim 1, characterised in that: The piston rod of the hydraulic oil cylinder (4) is fixedly connected with a fixed block (14), and the inner wall of the fixed block (14) is rotatably connected with the outer side of the third pin shaft (6), and the outer side of the third pin shaft (6) is rotatably connected with a positioning plate (15).

6. A support mechanism for a mining rope shovel according to claim 5 wherein: The bottom of the positioning plate (15) is fixedly connected with a limiting block (16), and the inner wall of the limiting block (16) is rotatably connected with the outer side of the second pin shaft (5).

7. The support mechanism for a mining crane as claimed in claim 1, characterised in that: One end of the third pin shaft (6) is fixedly connected with a second limiting disc (17), and one end of the second pin shaft (5) is fixedly connected with a third limiting disc (18).

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