CN205009204U - A frock for assisting rule - Google Patents

Abstract

The utility model relates to a frock for assisting rule, include: metal sheet, metal sheet are the cross, including straight board and two blocks of pterygoid laminas, and the the central axis coincidence of two blocks of pterygoid laminas, four bosss, the bottom surface at four tip of metal sheet is established respectively to four bosss for at fore -and -aft direction and left and right sides orientation metal sheet, four breachs, four breachs set up the border department at four tip of metal sheet respectively, all have the locating surface of the bottom surface of a perpendicular to metal sheet on four breachs, be located state on two breachs on the straight board the locating surface all with the the central axis coplane of straight board, be located on two breachs on two blocks of pterygoid laminas the locating surface all with the the central axis coplane of two blocks of pterygoid laminas, four tip at the metal sheet are fixed respectively to the accurate board of four block base, the accurate board of four block base, all have the reference surface of an orientation rather than adjacent breach on the accurate board of every block base. The utility model is used for the lower box of counter gear case is rule, can simplify scribing procedure, promotes marking off efficiency.

Description

A kind of frock for secondary scribe

Technical field

The utility model relates to the machining tool of large gearbox, is specifically related to a kind of frock for secondary scribe.

Background technology

According to pattern and requirement in kind, on blank or workpiece, the outline line marking position to be processed with scoring tool is called line as the operation of datum mark, line.Under normal circumstances, the workpiece blank of some more complicated and semi-finished product, when entering fine finishining, normal need rely on line as the foundation corrected, can check whether blank consistent with drawing requirement by line, can correct allowance make up blank exists some local defect, can also find and reject the blank that some cannot correct allowance early, in order to avoid waste the machining period of later process.

In the process of the lower box of working gear-box, need to rule on four lateral walls of lower box, with the center of the position and hole of determining machined surface and correction allowance, and then ensure crudy.Use routine techniques to rule to the lower box 10 shown in Fig. 3, need all to score marks line 11 on the sidewall at driving gear axis hole 12 two ends of the front side wall of lower box 10 and rear wall, lower box, to facilitate follow-up detection, processing and to assemble.Because the lateral wall of lower box is irregular, in scratching process, need lifting, upset lower box 10, to make to need the sidewall of line to place upward, thus reduce the difficulty of line and improve the precision of line.But be used in large ship or mechanically the volume of the lower box of gear-box and quality all larger, lifting, upset lower box inconvenience, scratching process extremely being taken time and effort, simultaneously because the lateral surface of lower box is irregular, there is larger potential safety hazard when locating lower box.

Summary of the invention

The purpose of this utility model proposes a kind of frock for secondary scribe, and it, for ruling to the lower box of gear-box, can simplify scratching process, promotes line efficiency.

A kind of frock for secondary scribe described in the utility model, comprise: metallic plate, described metallic plate is cross, comprise straight plate and lay respectively at straight plate left margin and the right along upper two blocks of wing plates, the central axes of described two blocks of wing plates, and the central axis of described two blocks of wing plates is all perpendicular to the central axis of described straight plate, four boss, described four boss are located at the bottom surface of four ends of described metallic plate respectively, two boss on described straight plate are used for coordinating to locate described metallic plate at fore-and-aft direction with the upper edge of lower box, and two boss on described two blocks of wing plates are for coordinating to locate described metallic plate at left and right directions with the sidewall at the driving gear axis hole two ends on lower box, four breach, described four breach are separately positioned on the edge of four ends of described metallic plate, described four breach all has a locating surface perpendicular to the bottom surface of described metallic plate, two breach be positioned on described straight plate are located at left side and the right side of the central axis of described straight plate respectively, and be positioned at two breach stating on straight plate on locating surface all coplanar with the central axis of described straight plate, two breach be positioned on described two blocks of wing plates are located at front side and the rear side of the central axis of described two blocks of wing plates respectively, and the locating surface be positioned on two breach on described two blocks of wing plates is all coplanar with the central axis of described two blocks of wing plates, four pieces of datum plates, described four pieces of datum plates are separately fixed at four ends of described metallic plate, and described four pieces of datum plates are all positioned at the below of described metallic plate, every block datum plate all has a datum level towards the breach be adjacent, and this datum level are parallel with the locating surface on this breach.

Adopt technique scheme, the bottom surface of metallic plate coordinates to determine benchmark with the upper surface of lower box, and utilizes four boss to position metallic plate, fast very convenient; Utilize the locating surface on breach to the position of center line of the center line and driving gear axis hole of determining lower box; Utilize datum plate as scribe fiducials for limiting the position of scoring tool, workman can on lower box, irregular sidewall be rule very easily, and do not need position that is mobile, upset lower box, when this frock does not use, four pieces of datum plates are also played a supporting role, and sustain damage to prevent the bottom surface of metallic plate.

Further, described metallic plate is provided with lightening hole.To facilitate carrying metallic plate.

Further, the upper plane of described metallic plate is provided with reinforcement, described reinforcement comprise ring stiffener and from described ring stiffener towards the straight reinforcement that four ends of described metallic plate extend, described ring stiffener is provided with at least two lugs, described lug is provided with lifting hole(eyelet).Arrange reinforcement to be out of shape to prevent metallic plate, ensure that the dimensional accuracy of metallic plate, lifting hole(eyelet) is set and to facilitate, the utility model is lifted on lower box.

Further, gusset is provided with between described datum plate and described metallic plate.Gusset is used for preventing datum plate flexural deformation, to guarantee precision of ruling.

Further, the left margin of described straight plate and the right are along being above provided with the groove vertically running through described straight plate, and described groove is for determining design attitude and the size of the driven gear axis hole on upper box.

The utility model structure is simple, easy to operate, structural design for lower box goes out breach and groove to determine scribing position, design the benchmark of datum plate as line, in use do not need mobile, upset lower box, avoid in prior art the process avoiding complicated lifting, upset and location lower box, promote line efficiency, relieve potential safety hazard.

Accompanying drawing explanation

Fig. 1 is axonometric drawing of the present utility model;

Fig. 2 is upward view of the present utility model;

Fig. 3 is operating diagram of the present utility model;

Fig. 4 is the structural representation of lower box.

In figure: 1-metallic plate; 2-datum plate; 3-gusset; 4-breach; 5-lightening hole; 6-reinforcement; 7-groove; 8-lifting hole(eyelet); 9-boss; 10-lower box; 11-mark line; 12-driving gear axis hole; 13-driven gear axis hole.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in further detail.

A kind of frock for secondary scribe as shown in Figure 1, comprise: metallic plate 1, metallic plate 1 is in cross, comprise straight plate and lay respectively at straight plate left margin and the right along upper two blocks of wing plates, the central axes of two blocks of wing plates, and the central axis of two blocks of wing plates is all perpendicular to the central axis of straight plate, four boss 9, as shown in Figure 2, four boss 9 are located at the bottom surface of four ends of metallic plate 1 respectively, two boss 9 on straight plate are for coordinating with the upper edge of lower box with two boss 9 on fore-and-aft direction positioning metal plate 1, two blocks of wing plates for coordinating with at left and right directions positioning metal plate 1 with the sidewall at the driving gear axis hole two ends on lower box, four breach 4, four breach 4 are separately positioned on the edge of four ends of metallic plate 1, four breach 4 all has a locating surface perpendicular to the bottom surface of metallic plate 1, two breach 4 be positioned on straight plate are located at left side and the right side of the central axis of straight plate respectively, and be positioned at two breach 4 stating on straight plate on locating surface all coplanar with the central axis of straight plate, two breach 4 be positioned on two blocks of wing plates are located at front side and the rear side of the central axis of two blocks of wing plates respectively, and the locating surface be positioned on two breach 4 on two blocks of wing plates is all coplanar with the central axis of two blocks of wing plates, four pieces of datum plates 2, four pieces of datum plates 2 are separately fixed at four ends of metallic plate 1, and four pieces of datum plates 2 are all positioned at the below of metallic plate 1, gusset 3 is provided with between datum plate 2 and metallic plate 1, every block datum plate 2 all has a datum level towards the breach 4 be adjacent, and this datum level is parallel with the locating surface on this breach 4.

Further, metallic plate 1 is provided with lightening hole 5.The upper plane of metallic plate 1 is provided with reinforcement 6, the straight reinforcement that reinforcement 6 comprises ring stiffener and extends towards four of metallic plate 1 ends from ring stiffener, ring stiffener is provided with at least two lugs, lug is provided with lifting hole(eyelet) 8.The left margin of straight plate and the right are along being above provided with the groove 7 vertically running through straight plate, and groove 7 is for determining design attitude and the size of the driven gear axis hole on upper box.

As shown in Figure 3, the above-mentioned frock for secondary scribe in use, utilize lifting hole(eyelet) 8 that this frock is hung the top of lower box 10, adjust the position of this frock, make the bottom surface of metallic plate 1 corresponding with the upper surface of lower box 10, put down this frock and in decline process, finely tune the position of frock, the upper edge of lower box 10 being stuck between four boss 9, until fit in the upper surface of the bottom surface of metallic plate 1 and lower box 10.Then with the datum level on datum plate 2 for scribe fiducials, and utilization is rule with the scoring tool of scriber, the center line of lower box 10 and the center line of driving gear axis hole 12 is determined by the locating surface on four breach 4 in scratching process, utilize groove 7 to determine design attitude and the size of driven gear axis hole 13, on lower box 10, finally mark the mark line of various needs.

Left, right, front and rear in the application are all as the criterion with the coordinate system in Fig. 1.

Claims (5)

1. for a frock for secondary scribe, it is characterized in that, comprising:

Metallic plate (1), described metallic plate (1) is in cross, comprise straight plate and lay respectively at straight plate left margin and the right along upper two blocks of wing plates, the central axes of described two blocks of wing plates, and the central axis of described two blocks of wing plates is all perpendicular to the central axis of described straight plate;

Four boss (9), described four boss (9) are located at the bottom surface of four ends of described metallic plate (1) respectively, two boss (9) on described straight plate are for coordinating to locate described metallic plate (1) at fore-and-aft direction with the upper edge of lower box, two boss (9) on described two blocks of wing plates are for coordinating to locate described metallic plate (1) at left and right directions with the sidewall at the driving gear axis hole two ends on lower box;

Four breach (4), described four breach (4) are separately positioned on the edge of four ends of described metallic plate (1), described four breach (4) all has a locating surface perpendicular to the bottom surface of described metallic plate (1), two breach (4) be positioned on described straight plate are located at left side and the right side of the central axis of described straight plate respectively, and be positioned at two breach (4) stating on straight plate on locating surface all coplanar with the central axis of described straight plate, two breach (4) be positioned on described two blocks of wing plates are located at front side and the rear side of the central axis of described two blocks of wing plates respectively, and the locating surface be positioned on two breach (4) on described two blocks of wing plates is all coplanar with the central axis of described two blocks of wing plates,

Four pieces of datum plates (2), described four pieces of datum plates (2) are separately fixed at four ends of described metallic plate (1), and described four pieces of datum plates (2) are all positioned at the below of described metallic plate (1), every block datum plate (2) all has a datum level towards the breach be adjacent (4), and this datum level is parallel with the locating surface on this breach (4).

2. the frock for secondary scribe according to claim 1, is characterized in that: described metallic plate (1) is provided with lightening hole (5).

3. the frock for secondary scribe according to claim 1, it is characterized in that: the upper plane of described metallic plate (1) is provided with reinforcement (6), described reinforcement (6) comprise ring stiffener and from described ring stiffener towards the straight reinforcement that four ends of described metallic plate (1) extend, described ring stiffener is provided with at least two lugs, described lug is provided with lifting hole(eyelet) (8).

4. the frock for secondary scribe according to claim 1, is characterized in that: be provided with gusset (3) between described datum plate (2) and described metallic plate (1).

5. the frock for secondary scribe according to claim 1, it is characterized in that: the left margin of described straight plate and the right are along being above provided with the groove (7) vertically running through described straight plate, and described groove (7) is for determining design attitude and the size of the driven gear axis hole on upper box.