CN202726194U

CN202726194U - Precise reaming device of ship shafts

Info

Publication number: CN202726194U
Application number: CN 201220361024
Authority: CN
Inventors: 梅国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-24
Filing date: 2012-07-24
Publication date: 2013-02-13
Anticipated expiration: 2022-07-24

Abstract

The utility model relates to a precise reaming device of ship shafts, which comprises a fixed seat, a gear box and a motor. The precise reaming device is characterized by further comprising an adjusting mechanism and a worm and gear mechanism. The adjusting mechanism is installed on the fixed seat and drives the gear box to move horizontally and vertically relative to the fixed seat. A worm gear is connected onto an output shaft of the gear box. A worm is horizontally arranged on the box body of the gear box and moves synchronously with the gear box. With the rotation of the worm gear, the worm can move axially and rotate synchronously. A reamer placing hole is formed in the end of the worm. Compared with the prior art, the utility model has the advantages that first, the precise reaming device is simpler in integral structure, more convenient to operate, not limited by field and suitable for field processing of the ship shafts; and second, the worm can move three-dimensionally and rotate under the effect of the adjusting mechanism and the worm and gear mechanism, so as to precisely position the reamer placing hole and obtain higher processing precision.

Description

Marine shafting precision reaming device

Technical field

The utility model relates to a kind of on-the-spot precision reaming device, relates in particular to the marine shafting precision reaming device that a kind of specialty is used for marine shafting processing.

Background technology

There are a lot of shipyards in the whole nation now, particularly at each Shipbuilding Base, and the annual a lot of large ships of manufacturing that need.Because the marine shafting volume of large ship is large, heavy, mobile comparatively difficulty needs tailing axle and the jackshaft of processing excessive, can't enter that lathe reams in the workshop, thereby must process at the scene.The reaming device that can carry out to the processing work of marine shafting on-the-spot processing is also arranged in the market, but, generally not only structure is comparatively complicated for these on-the-spot reaming devices, operation is trouble comparatively, and be difficult to reamer is accurately navigated to the position that workpiece need to be processed, thereby machining accuracy is not high, is difficult to satisfy the manufacturing requirement of modern ships.

The utility model content

Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and a kind of place restriction, simple to operate and registration, marine shafting precision reaming device that machining accuracy is high of not being subjected to is provided.

The utility model solves the problems of the technologies described above the technical scheme that adopts: this marine shafting precision reaming device, include holder, gear-box and be connected to motor on the gearbox input shaft, it is characterized in that: also include governor motion and worm-and-wheel gear, described governor motion is installed on the above-mentioned holder and drives the said gear case makes level and vertically moving relative to this holder, worm gear in the described worm-and-wheel gear is connected on the described gearbox output shaft, worm screw is horizontally set on the casing of described gear-box and can carries out synchronizing moving with gear-box, and, along with worm gear rotates, this worm screw can move axially and rotate simultaneously, is provided with the reamer putting hole in the end of described worm screw.

Preferably, described governor motion includes the base plate that is fixed on the holder and the riser of being located on the base plate, the tank floor of described base plate and gear-box forms the first dovetail groove fit structure, the direction of this first dovetail groove is horizontal direction and axially perpendicular with described worm screw, described gear-box and riser move horizontally along the first dovetail groove direction under the first screw body drives, the casing side of described riser and gear-box forms the second dovetail groove fit structure, the direction of this second dovetail groove is vertically and perpendicular to the first dovetail groove, and described gear-box moves up and down along the second dovetail groove direction under the second screw body drives.As seen not only structure is comparatively simple for the governor motion in this scheme, and because wherein dovetail groove fit structure control gap well, thereby can reach the machining accuracy of high request.

Preferred as above-mentioned arbitrary scheme, described worm screw is connected by flange seat with the casing of gear-box, is embedded with metallic sheath at described flange seat.After adopting this syndeton, can easily realize moving axially and rotatablely moving of worm screw.

Described holder can adopt multiple fixed form, and preferably, described holder is fixed on the marine rear shaft or jackshaft that needs processing by screw mandrel and chain.This fixed form is comparatively simple, and structure is also comparatively firm.

Rotating speed and rotation direction in order to control driving shaft are provided with multi-stage gear and clutch in the described gear-box, the effect of described gearbox output shaft by multi-stage gear and clutch can obtain different rotating speeds and just reverse.Such as making following regulation: for clockwise, be counterclockwise during withdrawing during feed, slowly run high speed rotating when finish reaming when slightly cutting with scissors.

Compared with prior art, the utility model has the advantage of: at first, the overall structure of this marine shafting precision reaming device is comparatively simple, and it is comparatively convenient to operate, and uses not to be subjected to the restriction in place, is fit to marine shafting is carried out scene processing; Secondly, under the effect of governor motion and worm-and-wheel gear, can realize that the three-dimensional of worm screw moves and rotates, with the accurate location of acquisition reamer putting hole, thereby obtain higher machining accuracy.

Description of drawings

Fig. 1 is the planar structure schematic diagram after the utility model embodiment is installed on the tailing axle;

Fig. 2 is the partial left side view of Fig. 1;

Fig. 3 is the planar structure schematic diagram of reaming device among Fig. 1.

The specific embodiment

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1 to Figure 3, this marine shafting precision reaming device has holder 1, at holder 1 governor motion is installed, and by governor motion the position of gear-box is regulated.In the present embodiment, this governor motion includes the base plate 2 that is fixed on the holder 1 and the riser 3 of being located on the base plate 2, wherein, base plate 2 forms the first dovetail groove fit structure with the tank floor of gear-box 4, this first dovetail groove is to setting before and after the level, and, gear-box 4 and riser 3 move forward and backward along horizontal direction under the drive of the first screw body (not shown), riser 3 forms the second dovetail groove fit structure with the casing side of gear-box 4, this second dovetail groove vertically distributes and perpendicular to the first dovetail groove, and gear-box 4 moves up and down along vertical direction under the drive of the second screw body (not shown).All adopt the advantage of dovetail groove fit structure to be between base plate 2 and gear-box 4 and riser 3 and the gear-box 4: oat tail groove structure is control gap well, thus but the machining accuracy of acquisition high request.

Motor is installed on gear-box 4 power shafts, and the output shaft of gear-box 4 is connected with worm gear 5 by the mode that key connects, and worm screw about 6 is to being horizontally disposed with, and is connected by the casing of flange seat (not shown) with gear-box 4, is embedded with copper sheathing at flange seat.Above-mentioned worm gear 5 and worm screw 6 consist of worm-and-wheel gear, wherein, worm gear 5 actives, worm screw 6 is driven, and when worm gear 5 rotated, worm screw 6 can axially reach the left and right directions moving linearly along it, rotates simultaneously.In the present embodiment, motor is power 7.5KW, the alternating current generator of 380V, and gear-box 4 can obtain the different rotating speed of third gear and change and turn to by the effect of multiple sets of teeth wheel and clutch.When electric machine rotation, by the effect of gear-box 4 internal gears and clutch, output shaft obtains certain rotating speed and is just reversing, and for clockwise, is counterclockwise during withdrawing in the time of can stipulating feed, low speed when slightly reaming, high speed when finish reaming the hole.

Reamer putting hole 7 is opened in the end of worm screw 6, the floating reamer (not shown) is installed on the reamer putting hole 7, under the effect of above-mentioned governor motion and worm-and-wheel gear, the three-dimensional of can doing floating reamer moves and is rotated, with the rectilinear motion of synthetic reamer with rotatablely move, thereby realize the fraising operation.

In the present embodiment, holder 1 is fixed on tailing axle to be processed 11 or the jackshaft 12 by screw mandrel 8 and chain 9.Particularly, screw mandrel 8 is connected with chain and is connected by linkage, this device is placed on tailing axle 11 or jackshaft 12 carry out coarse positioning after, after chain 9 is walked around tailing axle 11 or jackshaft 12, screw mandrel 8 passes installing hole and the tighten the screws 10 on the holder 1, this device can be fixed on tailing axle 11 or the jackshaft 12 firmly by two chains 9.

The course of work is as follows: at first, this device is put on tailing axle to be processed 11 or the jackshaft 12, carries out coarse positioning by chain 9 and screw mandrel 8; Then, floating reamer is installed, is tried out; At last, accurately locate by the dovetail groove mechanism on base plate 2 and the riser 3 and screw mandrel governor motion, slightly cut with scissors, last thin hinge.

Claims

1. marine shafting precision reaming device, include holder (1), gear-box (4) and be connected to motor on gear-box (4) power shaft, it is characterized in that: also include governor motion and worm-and-wheel gear, it is upper and drive said gear case (4) and make level and vertically move relative to this holder (1) that described governor motion is installed in above-mentioned holder (1), worm gear in the described worm-and-wheel gear (5) is connected on described gear-box (4) output shaft, worm screw (6) is horizontally set on the casing of described gear-box (4) and can carries out synchronizing moving with gear-box (4), and, along with worm gear (5) rotates, this worm screw (6) can move axially and rotate simultaneously, is provided with reamer putting hole (7) in the end of described worm screw (6).

2. marine shafting precision reaming device according to claim 1, it is characterized in that: described governor motion includes the base plate (2) that is fixed on the holder (1) and is located at riser (3) on the base plate (2), described base plate (2) forms the first dovetail groove fit structure with the tank floor of gear-box (4), the direction of this first dovetail groove is horizontal direction and axially perpendicular with described worm screw (6), described gear-box (4) and riser (3) move horizontally along the first dovetail groove direction under the first screw body drives, described riser (3) forms the second dovetail groove fit structure with the casing side of gear-box (4), the direction of this second dovetail groove is vertically and perpendicular to the first dovetail groove, and described gear-box (4) moves up and down along the second dovetail groove direction under the second screw body drives.

3. marine shafting precision reaming device according to claim 1 and 2, it is characterized in that: described worm screw (6) is connected by flange seat with the casing of gear-box (4), is embedded with metallic sheath at described flange seat.

4. marine shafting precision reaming device according to claim 1 and 2 is characterized in that: described holder (1) is fixed on the marine rear shaft (11) or jackshaft (12) of needs processing by screw mandrel (8) and chain (9).

5. marine shafting precision reaming device according to claim 1 and 2, it is characterized in that: described gear-box is provided with multi-stage gear and clutch in (4), and the effect of described gear-box (4) output shaft by multi-stage gear and clutch can obtain different rotating speeds and just reverse.