CN201645121U

CN201645121U - Steel wire retainer ring pressing device for steering pump body

Info

Publication number: CN201645121U
Application number: CN2010201137460U
Authority: CN
Inventors: 司宇亮
Original assignee: LIAONING TAIKE HYDRAULIC MACHINERY GROUP CO Ltd
Current assignee: LIAONING TAIKE HYDRAULIC MACHINERY GROUP CO Ltd
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2010-11-24
Anticipated expiration: 2020-02-10

Abstract

The utility model belongs to mechanical manufacturing technical equipment, in particular to a steel wire retainer ring pressing device for a steering pump body, which comprises a base (14), upright posts (3), oil cups (16), a spring (9), an upper pressing plate (18), a retainer ring (2) and the like. A positioning mandrel (13) is fixedly arranged on the base (14), the two upright posts (3) are fixedly arranged at two ends of the base (14), guide sleeves (4) are respectively mounted on the upper portions of the two upright posts (3) in a penetrating manner, the oil cups (16) are arranged on the guide sleeves (4), a connecting flange (7) is mounted in the middle of the upper surface of an intermediate plate (15) in a penetrating manner, a blind hole is arranged in the middle of the connecting flange (7), a pressing seat (8) is mounted in the middle of the lower surface of the intermediate plate (15) in a penetrating manner, the spring (9) is sleeved on the outer circumference of the pressing seat (8), and a pressing head (10) is arranged inside a sheath (12) and connected with an inner hole of the pressing seat (8) in a threaded manner. The steel wire retainer ring pressing device for a steering pump body reduces axial shearing force onto an O-shaped ring in pressing and mounting process and has fine universal performance.

Description

Steering pump pump housing compressed steel silk back-up ring device

Technical field

The utility model belongs to manufacturing technology equipment, particularly a kind of steering pump pump housing compressed steel silk back-up ring device.

Background technology

Before this frock making, assembly line does not have this station, part to be assembled can only be transported to manual press-loading device place when being assembled to this operation, and manual press-fit not only time-consuming, effort, and cause easily and cut the circle phenomenon, having a strong impact on the performance and the service life of product, this procedure is low owing to press-fiting efficient by hand simultaneously, be difficult to guarantee the first-time qualification rate of product assembling, become the bottleneck that whole assembly line is enhanced productivity.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, a kind of simple in structure, simple operation is provided, can guarantees properties of product and assembling first-time qualification rate, the steering pump pump housing compressed steel silk back-up ring device of greatly enhancing productivity.

The technical scheme that the utility model technical solution problem adopts is: steering pump pump housing compressed steel silk back-up ring device comprises base, column, lubricating cup, spring, top board, back-up ring, hex nut, elastic spring, round nut, be characterized on base, being fixed with positioning core axle, on the base two ends, be fixed with two root posts, two root post tops install a fairlead respectively, fairlead is provided with lubricating cup, fairlead is installed on the intermediate plate two ends respectively, be locked with round nut, install the adpting flange that a centre is provided with blind hole between dashing in the middle of above the plate, fixedly connected with soket head cap screw, install a wedge in the middle of below the intermediate plate, fixedly connected with soket head cap screw, spring of suit on the excircle of wedge, the spring upper end withstands on the step of wedge, the lower end withstands on the upper surface of sheath, the sheath movable set is in the lower end of wedge, be provided with pressure head in the sheath, be connected with the wedge inner hole thread, the sheath left side is provided with the elastic spring inlet greater than semi-circumference, the lower end is provided with interior inverted cone surface in the sheath, the upper end of two root posts is installed on the top board, respectively by back-up ring, hex nut is fixed, install a cylinder piston rod at top board corresponding to the center of adpting flange blind hole, the lower end of cylinder piston rod is provided with an attaching nut, and attaching nut's sphere lower end is movably placed in the blind hole of adpting flange.

The beneficial effects of the utility model are: steering pump pump housing compressed steel silk back-up ring device is adjusted the size of thrust by cylinder, to reduce to press-fit in the process O shape is enclosed axial shearing force, prevent to cut the generation of circle phenomenon, and between sheath and wedge, adjust the gap of pressure head and sheath by spring, guarantee the stressed even of part pump cover, be press fit into the bit rate height, guaranteed product assembling first-time qualification rate.Another characteristics of the present utility model are that universal performance is good, only need change pressure head and sheath for the part of different specification size and can use, and are very convenient quick.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 is a steering pump pump housing compressed steel silk back-up ring apparatus main body structure partial cutaway view.

Among the figure, the 1-hex nut; The 2-back-up ring; The 3-column; The 4-fairlead; The 5-round nut; 6-attaching nut; The 6-1-cylinder piston rod; The 7-adpting flange; The 8-wedge; The 9-spring; The 10-pressure head; The 11-elastic spring; The 12-sheath; Inverted cone surface in the 12-1-; 12-2-elastic spring inlet; The 13-positioning core axle; The 14-base; The 15-intermediate plate; The 16-lubricating cup; The 17-pump housing; 17-1-jump ring groove; 17-2-location bearing hole; The 18-top board;

The specific embodiment

Embodiment, with reference to accompanying drawing 1, be fixed with positioning core axle 13 on the base 14 of steering pump pump housing compressed steel silk back-up ring device, on base 14 two ends, be fixed with two root posts 3, two root posts, 3 tops install a fairlead 4 respectively, fairlead 4 is provided with lubricating cup 16, fairlead 4 is installed on intermediate plate 15 two ends respectively, be locked with round nut 5, install the adpting flange 7 that a centre is provided with blind hole in the middle of above the intermediate plate 15, fixedly connected with soket head cap screw, the intermediate plate 15 following middle wedges 8 that install, fixedly connected with soket head cap screw, spring 9 of suit on the excircle of wedge 8, the upper end of spring 9 withstands on the step of wedge 8, and the lower end withstands on the upper surface of sheath 12, and sheath 12 movable sets are in the lower end of wedge 8, be provided with pressure head 10 in the sheath 12, pressure head 10 is connected with wedge 8 inner hole threads, and sheath 12 left sides are provided with the elastic spring inlet 12-2 greater than semi-circumference, and sheath 12 endoporus lower ends are provided with interior inverted cone surface 12-1; The upper end of two root posts 3 is installed on the top board 18, fix by back-up ring 2, hex nut 1 respectively, install a cylinder piston rod 6-1 at top board 18 corresponding to the center of adpting flange 7 blind holes, the lower end of cylinder piston rod 6-1 is provided with an attaching nut 6, and attaching nut 6 sphere lower end is established in the blind hole that is movably placed in adpting flange 7.

The steering pump pump housing compressed steel silk back-up ring device course of work is: the pump housing 17 that at first will process places on the positioning core axle 13, by positioning core axle 13 and location bearing hole 17-2 with the pump housing 17 positioning and fixing, then elastic spring 11 is inserted in the sheath 12 from elastic spring inlet 12-2, start cylinder at last, promote cylinder piston rod 6-1, drive attaching nut 6, attaching nut 6 promotes adpting flange 7, wedge 8, pressure head 10, elastic spring 11 is pressed in the jump ring groove 17-1 of the pump housing 17, finishes this assembly process.

Claims

1. steering pump pump housing compressed steel silk back-up ring device, comprise base (14), column (3), lubricating cup (16), spring (9), top board (18), back-up ring (2), hex nut (1), elastic spring (11), round nut (5), it is characterized in that on base (14), being fixed with positioning core axle (13), on base (14) two ends, be fixed with two root posts (3), two root posts (3) top installs a fairlead (4) respectively, fairlead (4) is provided with lubricating cup (16), fairlead (4) is installed on intermediate plate (15) two ends respectively, be locked with round nut (5), install the adpting flange (7) that a centre is provided with blind hole in the middle of above the intermediate plate (15), fixedly connected with soket head cap screw, install a wedge (8) in the middle of below the intermediate plate (15), fixedly connected with soket head cap screw, a spring of suit (9) on the excircle of wedge (8), spring (9) upper end withstands on the step of wedge (8), the lower end withstands on the upper surface of sheath (12), sheath (12) movable set is in the lower end of wedge (8), be provided with pressure head (10) in the sheath (12), be connected with wedge (8) inner hole thread, sheath (12) left side is provided with the elastic spring inlet (12-2) greater than semi-circumference, the interior lower end of sheath (12) is provided with interior inverted cone surface (12-1), the upper end of two root posts (3) is installed on the top board (18), respectively by back-up ring (2), hex nut (1) is fixing, install a cylinder piston rod (6-1) at top board (18) corresponding to the center of adpting flange blind hole, the lower end of cylinder piston rod (6-1) is provided with an attaching nut (6), and attaching nut's (6) sphere lower end is movably placed in the blind hole of adpting flange (7).