CN203717613U - Underground ore transfer car hinge structure - Google Patents

Abstract

The utility model discloses an underground ore transfer car hinge structure which comprises a first bracket and a second bracket in hinge joint, wherein a pin shaft is formed in a hinge hole through which the first bracket and the second bracket are hinged; a flange is formed at one end of the pin shaft; an inner side plate face of the flange pushes against the end face of an orifice of the hinge hole; beside the orifice of the hinge hole, a limiting plate is arranged on the side with the flange of the pin shaft and is clamped and matched with the pin shaft to form axial limiting on the pin shaft, and the limiting plate is connected to a plate body beside the orifice of the hinge hole through a bolt. Because the flange of the pin shaft pushes against the end face of the orifice of the hinge hole, an axial motion of the pin shaft is limited in a single direction; in addition, the pin shaft is clamped and matched with the limiting plate fixed by the bolt to limit the movement of the pin shaft so as to guarantee stable arrangement of the pin shaft. Compared with the prior art, the hinge structure disclosed by the utility model is simple and the limiting plate and the pin shaft are convenient to disassemble.

Description

Underground mine truck hinging structure

Technical field

The utility model relates to mine down-hole field of work machines, is specifically related to a kind of hinging structure of underground mine truck.

Background technique

Underground mine truck is mainly used in mine down-hole, on its car body, there are many places to be provided with the structure that is articulated and connected, such as, for guaranteeing that mine truck has both into well storing and goes out the function of well discharging, hopper on mine truck need to be articulated and connected with being configured to of mine truck, so that hopper can form pitching, action realizes automatic discharging, because the working environment of down-hole is poor, hinging structure on mine truck very easily occurs stuck, thereby affect the normal operation of mine truck, therefore generally all require the hinging structure on mine truck more simply better, at present, hinging structure on mine truck is mainly at place, the aperture welding of hinging hole and the axle sleeve of hinging hole coaxial core layout, when bearing pin is installed, bearing pin is carried out to bolt with axle sleeve by bolt to be connected, thereby realize fixing bearing pin.The defect that above-mentioned prior art exists is: first, for guaranteeing bolt, can install smoothly, not only to guarantee hinging hole, axle sleeve and bearing pin coaxial core layout, and on axle sleeve and bearing pin, offer for arranging that the axle sleeve hole of bolt and pin shaft hole also want coaxial core to arrange, this comparatively bothers the installation of bolt; The second, bearing pin and bolt under assembling condition owing to being subject to there is certain difficulty when the impact of shearing force causes Bolt dismantling; The 3rd, mine truck jolts in the process of moving very much, and axle sleeve is easily deformed, and is difficult to carry out smoothly secondary installing after Bolt dismantling.

Summary of the invention

The purpose of this utility model is to provide a kind of easy disassembly, underground mine truck hinging structure simple in structure.

For achieving the above object, the technical solution adopted in the utility model is: a kind of hinging structure, comprise be articulated and connected first, the second support, first, the hinging hole place that the second support is hinged is provided with bearing pin, it is characterized in that: one end of described bearing pin is provided with flange, the end face at the side inner panel face of flange and the place, aperture of hinging hole leans, the aperture side of described hinging hole, and the flange place side that is positioned at bearing pin is provided with limiting board, limiting board coordinates with bearing pin clamping the axial limiting that forms bearing pin, and limiting board is connected with the plate body bolt of the aperture side of hinging hole.

Owing to adopting above technological scheme, the end face at the place, aperture of the flange of bearing pin and hinging hole leans, and has limited moving axially of bearing pin like this from one direction, in addition, the limiting board being bolted coordinates with bearing pin clamping, bearing pin is moved spacing, thereby guarantee the stable layout of bearing pin.Compared with prior art, the utility model is simple in structure, and described limiting board and dismounting hinge pin are convenient.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that the A of Fig. 1 is to sectional view;

Fig. 3 is the structural representation of bearing pin.

Embodiment

A kind of hinging structure, first, second support 10,20 that comprises hinge, hinging hole 30 places that first, second support 10,20 is hinged are provided with bearing pin 40, one end of described bearing pin 40 is provided with flange 41, the end face at the side inner panel face of flange 41 and the place, aperture of hinging hole 30 leans, the aperture side of described hinging hole 30 and the flange 41 place sides that are positioned at bearing pin 40 are provided with limiting board 50, and limiting board 50 coordinates the axial limiting and the limiting board 50 that form bearing pins 40 to be connected with the plate body bolt of the aperture side of hinging hole 30 with bearing pin 40 clampings.Concrete, as shown in Figure 1, between two spaced apart the first connecting plates 11 that the second connecting plate 21 protruding on the second support 20 protrudes on the first support 10, on the plate face on first, second connecting plate 11,21, all offer attachment hole, thereby form the hinging hole 30 that bearing pin 40 passes.The plate face middle part of described limiting board 50 is provided with through hole, the hole core direction of through hole is vertical with the plate face of limiting board 50, the tapped hole bolt of offering on bolt 60 plate body through through hole and the aperture side of hinging hole 30 is connected, namely be connected with the tapped hole bolt of offering on the first connecting plate 11 of the first support 10, convenient disassembly with bolts, the flange 41 of bearing pin 40 is resisted against the end face at the place, aperture of hinging hole 30, from one direction, limited moving axially of bearing pin 40 like this, as shown in Figure 2, bearing pin 40 is limited to the movement of right, in addition, the limiting board 50 fixing by bolt 60 coordinates with bearing pin 40 clampings, thereby be fixed spacing to bearing pin 40, as shown in Figure 2, the bearing pin 40 left movement of direction is limited, so guaranteed that bearing pin 40 is articulated and connected first, the second support 10, 20 reliability.Compared with prior art, the utility model possesses many-sided advantage: the first, cancelled at the end, aperture of hinging hole 30 welding axle sleeve, and not only make hinged simplifying the structure, and effectively avoid the smooth installation of axle sleeve deformation effect bolt 60; The second, bolt 60 is changed into along the axial direction of hinging hole 30 and connects layout, the direct like this tapped hole of opening on support, the arrangement space of bolt 60 is large, without extra, increases axle sleeve so that bolt 60 is arranged connection; The 3rd, by 50 pairs of bearing pins of limiting board 40, carry out clamping and coordinate the fixed installation that can guarantee bearing pin 40, simple in structure, the dismounting of limiting board 50 and bearing pin 40 is also very convenient.

Described limiting board 50 has multiple with the implementation of the clamping cooperating structure of bearing pin 40, for example, the disk of described flange 41Wei local excision, disk and bearing pin 40 arranged off-centre, and the distance between the axis of the cutting surface of disk and bearing pin 40 is less than the radius of bearing pin 40, as shown in Figure 1, dotted portion in figure represents the profile of the end face of bearing pin 40, the side inner panel face of limiting board 50 and the aperture end face of hinging hole 30, and the end face of the bearing pin 40 at place, the cutting surface place of disk forms against cooperation, distance between the axis of the cutting surface of disk and bearing pin 40 is less than the radius of bearing pin 40, therefore also can be understood as the outer panel face of disk, between the end face of the bearing pin 40 of cutting surface and disk place side, naturally formed the step 42 of arranging for limiting board 50 clampings, concrete, the side inner panel face of limiting board 50 with at the bottom of the rank of step 42 421 and the aperture end face of hinging hole 30 keep out and coordinate, a side inner panel face part for limiting board 50 is resisted against the aperture end face of hinging hole 30 like this, another part is resisted against on the end face of bearing pin 40 at cutting surface place place of disk, namely at the bottom of the rank of step 42 on 421, after like this that limiting board 50 bolts are fixing, can effectively limit bearing pin 40 exits from hinging hole 30, again in conjunction with the position-limiting action of bearing pin 40 upper flanges 41, the effectively restriction that is axially able to of bearing pin 40 is fixed, guaranteed the fixing reliability of bearing pin 40 installation, the cutting surface of described disk is preferably plane, simplify the structure like this, also being convenient to adopt the sidewall of limiting board 50 of square structure and its formation to coincide reclines.Certainly, actual adding, also can be offered blind hole man-hour on the outer circumferential face of discoid flange 41, one end of limiting board 50 is inserted in blind hole, also can be realized connecting and fixing of limiting board 50 and bearing pin 40 like this.

Claims (3)

1. a hinging structure, comprise first of hinge, the second support (10, 20), first, the second support (10, 20) hinging hole (30) being hinged locates to be provided with bearing pin (40), it is characterized in that: one end of described bearing pin (40) is provided with flange (41), the end face at the place, aperture of the side inner panel face of flange (41) and hinging hole (30) leans, the aperture side of described hinging hole (30), and flange (41) the place side that is positioned at bearing pin (40) is provided with limiting board (50), limiting board (50) coordinates the axial limiting that forms bearing pin (40) with bearing pin (40) clamping, and limiting board (50) is connected with the plate body bolt of the aperture side of hinging hole (30).

2. hinging structure according to claim 1, it is characterized in that: described flange (41) is the disk of local excision, distance between the axis of the cutting surface of disk and bearing pin (40) arranged off-centre and disk and bearing pin (40) is less than the radius of bearing pin (40), and the side inner panel face of limiting board (50) forms against coordinating with the end face of the bearing pin (40) at the aperture end face of hinging hole (30) and place, the cutting surface place of disk.

3. hinging structure according to claim 1 and 2, it is characterized in that: the plate face middle part of described limiting board (50) is provided with through hole, the hole core direction of through hole is vertical with the plate face of limiting board (50), and bolt (60) is connected with the plate body bolt of the aperture side of hinging hole (30) through through hole.