CN201546246U

CN201546246U - Novel digging mechanism for loader-digger

Info

Publication number: CN201546246U
Application number: CN200920241308XU
Authority: CN
Inventors: 李小祥; 周巍松; 赖瑞钢; 黎华; 漆立方; 罗富发
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-07
Filing date: 2009-11-07
Publication date: 2010-08-11
Anticipated expiration: 2019-11-07

Abstract

The utility model discloses a novel digging mechanism for a loader-digger. The novel digging mechanism comprises a large arm (7), a large arm cylinder (8), a small arm (3), a small arm cylinder (5) and a shovel loader (1), wherein one end of each of the large arm and the large arm cylinder is moveably connected with a rotary base (9), the other end of the large arm cylinder (8) is moveably connected with the large arm (7), one end of the small arm (3) is moveably connected with the shovel loader (1), one end of a shovel loader cylinder (2) is moveably connected with the shovel loader, the other end of the shovel loader cylinder is moveably connected with the small arm, a middle arm (4) is moveably connected between the other ends of the small arm (3) and the large arm (7), and a middle arm cylinder (5) is moveably connected between the middle arm and the small arm. The novel digging mechanism can greatly prolong space extension scope of the shovel loader on the digging mechanism, increase digging and pawing working scope of the shovel loader without frequent moving the loader-digger, is beneficial for pawing materials on remote positions, avoids dead corners left on working faces, simultaneously is also suitable for working on narrow working faces with short distances, and reduces moving time of the loader-digger, thereby improving working efficiency of the loader-digger.

Description

The novel digging mechanism that a kind of loader-digger is used

Technical field

The utility model relates to the digging mechanism of loader-digger (ballast scarifier), relates in particular to the novel digging mechanism of the crawler type, rubber-tyred or the rail wheel type loader-digger that use in the mine.

Background technology

At present, the digging mechanism of the traditional loader-digger that uses in the mine mainly is made up of big arm, forearm and scraper bowl, though this traditional loader-digger has characteristics such as digging efficiency is higher, operation is simple, applicability is stronger.But under the situation that mine work section is far away apart from loader-digger or excacation face is darker, loader-digger material at a distance is not easy to be taken off to get relatively, form the material dead angle easily, can both be taken off in order to ensure all materials and to be got, do not stay the material dead angle, mostly adopt the position of mobile loader-digger continually at present, realize so that adjust the working range of loader-digger, get the working time but increased non-excavating and taken off, reduced the operating efficiency of loader-digger.The method that also has employing to add the length of grow up arm and forearm on traditional digging mechanism realizes, get the farther material of distance though can take off, but taking off when getting in-plant material, because it is very big to regain the required space of big arm, forearm, and operative end surface is all little in most of mines, thereby use and to be subjected to certain limitation, applicability is strong inadequately.

The utility model content

At the problem that the digging mechanism of loader-digger in the prior art exists in real work, the utility model provide a kind of in mine, use take off that the scope of getting is wide, novel digging mechanism that high efficiency, a kind of loader-digger that applicability is strong are used.

The technical scheme that the technical problems to be solved in the utility model is taked is: the novel digging mechanism that described loader-digger is used comprises big arm, big arm oil cylinder; forearm; forearm oil cylinder and scraper bowl; described big arm and big arm oil cylinder one end are movably connected with the revolution support respectively; the described big arm oil cylinder other end is movably connected with big arm; described forearm one end and scraper bowl are movably connected; described bucket cylinder one end and scraper bowl are movably connected; the bucket cylinder other end and forearm are movably connected; be connected with middle arm, arm oil cylinder in being connected with between the other end of forearm and big arm between middle arm and forearm.

Hydraulic oil in the utility model when work hydraulic system makes hydraulic jack flexible, and oil cylinder drives corresponding parts action in the digging mechanism then, and the hydraulic jack installation site can be above each arm, also can be below.Simultaneously when preventing work,, corresponding limit switch or parts can be set because operator's carelessness causes digging mechanism and frame to bump.

The utility model is owing to be provided with middle arm between the big arm of digging mechanism and forearm, during work, working range is stretched in the space that can prolong scraper bowl on the digging mechanism greatly, loader-digger does not need frequent moving, and just can increase the excavation of scraper bowl and takes off and get working range, helps taking off of the interior remote place of mine material and gets, make work plane not stay the material dead angle, simultaneously also be useful in narrow work general work, reduced to excavate to adorn and planted the machine traveling time, thereby improved the operating efficiency of loader-digger.

Description of drawings

Fig. 1 is the main TV structure schematic diagram of the utility model digging mechanism

In Fig. 1,1, scraper bowl 2, bucket cylinder 3, forearm 4, middle arm 5, forearm oil cylinder 6, middle arm oil cylinder 7, big arm 8, big arm oil cylinder 9, revolution support

The specific embodiment

In Fig. 1, the novel digging mechanism that described a kind of loader-digger is used comprises big arm 7, big arm oil cylinder 8, forearm 3, forearm oil cylinder 5 and scraper bowl 1, big arm 7 and big arm oil cylinder 8 one ends are movably connected with revolution support 9 respectively, the described big arm oil cylinder other end is movably connected with big arm; forearm 3 one ends and scraper bowl 1 are movably connected; bucket cylinder 2 one ends and scraper bowl is movably connected, the bucket cylinder other end and forearm are movably connected; arm 4 at forearm 3 and in being connected with between the other end of arm 7 greatly, arm oil cylinder 5 in being connected with between middle arm and forearm.Big arm oil cylinder is flexible to move up and down big arm wraparound favourable turn seat; Middle arm oil cylinder is flexible to move up and down middle arm; The forearm oil cylinder is flexible to move up and down forearm; The flexible scraper bowl that makes of bucket cylinder moves, and each several part all adopts hinge to connect, thereby can finish relative various rotatablely moving.Loader-diggers such as the applicable crawler type of digging mechanism described in the utility model, rubber-tyred or rail wheel type use.

Claims

1. novel digging mechanism that loader-digger is used, it comprises big arm (7), big arm oil cylinder (8); forearm (3); forearm oil cylinder (5) and scraper bowl (1); described big arm and big arm oil cylinder one end are movably connected with revolution support (9) respectively; described big arm oil cylinder (8) other end is movably connected with big arm (7); described forearm (3) one ends and scraper bowl (1) are movably connected; described bucket cylinder (2) one ends and scraper bowl are movably connected; the bucket cylinder other end and forearm are movably connected; it is characterized in that: be connected with middle arm (4), arm oil cylinder (5) in being connected with between the other end of forearm (3) and big arm (7) between middle arm and forearm.