CN111283357A

CN111283357A - Auxiliary device for pipe fitting rib plate installation and installation method

Info

Publication number: CN111283357A
Application number: CN202010189632.2A
Authority: CN
Inventors: 张勤; 郭义德
Original assignee: CSSC MES Diesel Co Ltd
Current assignee: CSSC MES Diesel Co Ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-06-16

Abstract

An auxiliary device for installing a pipe fitting rib plate and an installation method are disclosed, wherein the pipe fitting comprises a main pipe, a branch pipe, a flange and a rib plate, the auxiliary device comprises a base, two limiting columns, two T-shaped blocks, a rotating block, two sliding rods and two L-shaped rib plate clamping rods, and each L-shaped rib plate clamping rod comprises a vertical rod, a transverse rod and an elastic clamp; wherein, spacing post is fixed in the lower part of T type piece and puts into the connecting hole of flange, the both sides of base are inserted respectively to two T type pieces, the base is settled on the last plane of flange, the position through the scale adjustment base on two T type pieces puts and fixes on the central point of flange, install rotatory piece on the base and can rotate, two slide bars are connected respectively in the both sides of rotatory piece, two L type gusset clamping bars are connected with two slide bars respectively vertically, with the gusset centre gripping respectively on the elasticity presss from both sides, through the rotation of rotatory piece, the position of the lift adjustment L type gusset clamping bar of the slip of slide bar and montant, thereby adjust the gusset to the position of pre-installation, carry out the welding of gusset. The invention has the advantages of high precision, flexible adjustment, convenient operation, high efficiency, wide application range and the like.

Description

Auxiliary device for pipe fitting rib plate installation and installation method

Technical Field

The invention relates to a manufacturing process of a marine low-speed diesel engine pipe fitting, in particular to an auxiliary device for installing a pipe fitting rib plate and an installation method, and belongs to the technical field of diesel engine manufacturing.

Background

In the pipe fitting installation of the marine low-speed diesel engine, in order to ensure the installation strength, reinforcing plates for reinforcing are required to be installed on pipes of a plurality of pipelines, such as a fuel oil inlet main pipe pipeline, a fuel oil return main pipe pipeline, a cylinder sleeve cooling water inlet main pipe, a cylinder sleeve cooling water outlet main pipe and the like, and especially, the reinforcing plates are required to be welded on branch pipe parts.

The workload of installing the rib plates of each diesel engine is large, and roughly calculated, about 150 rib plates need to be installed on each host. The gusset installation process is generally after the electric welding of house steward, and the current installation operation process of marine diesel engine pipe fitting gusset is comparatively complicated, does not generally have specialized tool or frock to assist, but needs two people cooperation bare-handed installation operation. When the reinforcing rib plate is installed, an electric welder determines the centering and perpendicularity of the installation position of the rib plate in a visual inspection mode under the condition of no tool and no tool, so that the conditions of misalignment, inclination and the like of the rib plate often occur after the reinforcing rib plate is installed, and the reinforcing effect of the installed rib plate is influenced.

Disclosure of Invention

The invention aims to solve the problems of low working efficiency, much labor consumption, low installation precision and the like in the existing pipe fitting rib plate installation, and provides an auxiliary device and an installation method for pipe fitting rib plate installation, so that the effects of improving the rib plate installation precision, reducing the number of operators, improving the working efficiency and ensuring the rib plate installation reliability are achieved.

Based on the above purpose, the technical scheme provided by the invention is as follows:

the utility model provides an auxiliary device is used in installation of pipe fitting gusset, this pipe fitting indicates on the marine low-speed diesel engine intercrossing's the person in charge and branch pipe, is equipped with the flange on this branch pipe, the gusset is connected between this person in charge and branch pipe, its characterized in that: the auxiliary device comprises a base, two limiting columns, two T-shaped blocks, a rotating block, two sliding rods and two L-shaped rib plate clamping rods; the base comprises a body and a positioning shaft, a T-shaped groove which is longitudinally penetrated and horizontally arranged is arranged on the lower side surface of the body, threaded holes communicated with the T-shaped groove are formed in the two side surfaces of the body, and the positioning shaft is vertically connected to the center of the upper side surface of the body; the two limiting columns are respectively and vertically connected to the outer side parts of the two T-shaped blocks and inserted into the connecting holes of the flange so as to be positioned, the two T-shaped blocks are respectively inserted into the T-shaped groove of the body from two ends and can slide in the T-shaped groove, and the two T-shaped blocks are fixed through the threaded holes and the fixing bolts after being positioned; the rotating block is connected to the base through the positioning shaft and can rotate on a horizontal plane around the positioning shaft to adjust the angle position, and the two sliding rods are respectively connected to two ends of the rotating block and can longitudinally slide on the rotating block to adjust the radial position; two L type gusset clamping bars connect vertically in the outside end of two slide bars just can slide from top to bottom along the vertical direction on this slide bar in order to adjust the height position, this L type gusset clamping bar includes montant, horizontal pole and elasticity clamp, the montant connect in on the slide bar, the horizontal pole level sets up, one end with the lower extreme fixed connection of montant, the other end with the elasticity clamp is fixed to be connected, and this elasticity clamp is used for the centre gripping the gusset.

As a further improvement, the T-shaped block is a rod piece with a T-shaped cross section, one side part of the bottom surface is provided with a fixing screw hole connected with the limiting column, and the top surface is provided with scales for adjusting the central position of the base.

As a further improvement, the limiting column is a stepped shaft, the large head of the limiting column is inserted into the connecting hole of the flange, and the small head of the limiting column is a stud connected with the T-shaped block.

As a further improvement, the center of the lower plane of the rotating block is provided with a positioning hole connected with the positioning shaft of the base, the two sides of the upper plane are symmetrically provided with a longitudinal square sliding groove, and the two side surfaces of the rotating block are provided with long waist through grooves transversely penetrating through the square sliding grooves.

As a further improvement, the slide bar is a rod with a square cross section, one side of the slide bar is provided with a horizontal fixing through hole, the other side of the slide bar is provided with a vertical guide hole, the end part of the slide bar, which is on the same side with the guide hole, is provided with an adjusting screw hole which is transversely communicated with the guide hole, the vertical rod of the L-shaped rib plate clamping rod penetrates through the guide hole and is positioned by connecting with a screw in the adjusting screw hole, the slide bar is arranged in the square chute of the rotating block and is positioned by a bolt and a nut which penetrate through the fixing through hole and the long-waist through groove of the rotating block.

As a further improvement, the cross section of the vertical rod is square, and the guide hole is a square hole.

As a further improvement, the rotating block can rotate on the base by 360 degrees.

As a further improvement, the clamping opening of the elastic clamp is in the vertical direction.

The other technical scheme of the invention is as follows:

a method for installing a pipe fitting rib plate by adopting the auxiliary device comprises the following steps:

1) installing a base on a flange of the branch pipe, namely fixing the limiting column on the lower part of the T-shaped block, respectively inserting the two T-shaped blocks into a T-shaped groove of the base, then placing the limiting column into a connecting hole of the flange, and arranging the base on the upper plane of the flange;

2) centering the base, namely adjusting the position of the base to keep the scales on the two T-shaped blocks the same so as to place the base on the central position of the flange, and then fixing the position of the base through a fixing bolt;

3) installing a rotating block, two sliding rods and two L-shaped rib plate clamping rods, namely installing the rotating block on the base through the positioning shaft, and simultaneously vertically connecting the two L-shaped rib plate clamping rods with the two sliding rods respectively and then connecting the two sliding rods to the two sides of the rotating block respectively;

4) and (2) mounting rib plates, namely clamping the two rib plates on elastic clamps of two L-shaped rib plate clamping rods respectively, adjusting the heights of the L-shaped rib plate clamping rods through lifting, adjusting the distances between the elastic clamps and the branch pipes through sliding the sliding rods, adjusting the relative angle positions of the elastic clamps and the flanges through rotation of the rotating blocks, adjusting the rib plates to the pre-installed positions, locking the positions of the sliding rods and the L-shaped rib plate clamping rods, and finally performing welding operation on the rib plates.

Compared with the prior rib plate mounting process, the invention achieves the following beneficial effects:

1. the installation accuracy is high: the base is positioned on the flange of the branch pipe through the T-shaped block and the limiting column, and the base is always kept at the central position through scales on the T-shaped block, so that the positioning accuracy is high.

2. The adjustment and positioning are flexible: the rotary block can rotate 360 degrees, and the L-shaped rib plate clamping rod can flexibly adjust the position 1 and the radial position through the sliding rod, so that the rib plate can be adjusted at any position.

3. The application range is wide: the radial position of the T-shaped block can be adjusted at will, so that the T-shaped block is suitable for mounting pipe fitting rib plates of flanges with various calibers.

4. The operation is convenient: after the auxiliary device is used, the operation which needs two persons originally is reduced to one person, so that the operation is convenient, and the labor is saved.

5. The work efficiency is high: the auxiliary device is high in dismounting efficiency, and the working efficiency of installation operation is effectively improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the base.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a top view of fig. 2.

FIG. 5 is a schematic view of a spacing post.

Fig. 6 is a front view of the T-block.

Fig. 7 is a left side view of fig. 6.

Fig. 8 is a top view of fig. 6.

Fig. 9 is a front view of the rotary block.

Fig. 10 is a left side view of fig. 9.

Fig. 11 is a top view of fig. 9.

Fig. 12 is a front view of the slide bar.

Fig. 13 is a left side view of fig. 12.

Fig. 14 is a top view of fig. 12.

FIG. 15 is a front view of an L-shaped gusset clamp bar.

Fig. 16 is a top view of fig. 15.

Fig. 17 is a schematic view of the state of use of the present invention.

In the figure, the position of the upper end of the main shaft,

a-main pipe, B-branch pipe, C-flange, D-rib plate, 1-base, 11-body, 12-T type groove, 13-positioning shaft, 14-screw hole, 2-limiting column, 21-positioning cylinder, 22-stud, 3-T type block, 31-fixing screw hole, 32-scale, 4-fixing bolt, 5-rotating block, 51-positioning hole, 52-square sliding groove, 53-long waist through groove, 6-sliding rod, 61-guiding hole, 62-fixing through hole, 63-adjusting screw hole, 7-bolt, 8-nut, 9-L type rib plate clamping rod, 91-vertical rod, 92-cross rod, 93-elastic clamp and 10-screw.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples. All equivalent changes and modifications made according to the contents of the present specification should fall within the technical scope of the present application.

The invention is used for installing the rib plates on the pipe fittings, please refer to fig. 17, the pipe fittings refer to a main pipe A and a branch pipe B in various pipe systems on a marine low-speed diesel engine, the branch pipe B is provided with a flange C, the rib plates D are connected between the main pipe A and the branch pipe B which are mutually crossed, and the crossing can be vertical crossing or oblique crossing.

Referring to fig. 1, the auxiliary device for installing a pipe rib plate includes a base 1, two limiting posts 2, two T-shaped blocks 3, a rotating block 5, two sliding rods 6, and two L-shaped rib plate clamping rods 9.

Referring to fig. 2, fig. 3 and fig. 4, the base 1 includes a body 11 and a positioning shaft 13. The body 11 is a cuboid component, a horizontally arranged T-shaped groove 12 is arranged on the lower side surface and used for mounting the T-shaped block 3, the T-shaped groove 12 longitudinally penetrates through the body 11, and threaded holes 14 are arranged on two side surfaces of the body 11 and matched with the fixing bolts 4 to lock the T-shaped block 3. The positioning shaft 13 is vertically connected to the center of the upper side of the body 11, and is used for connecting the rotating block 5 to rotate for 360 degrees.

Referring to fig. 6, 7 and 8, the T-shaped block 3 is a rod with a T-shaped cross section, a fixing screw hole 31 is formed at one side of the bottom surface for connecting the limiting post 2, and a scale 32 is formed on the top surface of the T-shaped block 3. Referring to fig. 1, two T-shaped blocks 3 are respectively inserted into the T-shaped groove 12 of the body 11 from two ends, and can slide in the T-shaped groove 12; after the T-shaped blocks 3 are positioned, the base 1 is adjusted to the center position of the flange C according to the scales 32 of the two T-shaped blocks, and is fixed by screwing the fixing bolts 4 of M8 into the threaded holes 14.

Referring to fig. 5, the limiting post 2 is a stepped short shaft, the large end of the stepped short shaft is a positioning cylinder 21 inserted into the connecting hole of the flange C, and the small end is a stud 21 connected with the T-shaped block 3 by screwing into the fixing screw hole 31; referring to fig. 1, the two position-limiting posts 2 are respectively vertically connected to the outer sides of the two T-shaped blocks 3 and inserted into the connecting holes of the flange C for positioning.

Referring to fig. 9, 10 and 11, a positioning hole 51 is formed in the center of the lower plane of the rotating block 5 for connecting with the positioning shaft 13 of the base 1, two lateral sides of the upper plane of the rotating block 5 are symmetrically provided with a longitudinal square sliding slot 52, and two lateral sides are provided with a long-waist through slot 53 transversely penetrating through the square sliding slot 52. Referring to fig. 1, the positioning shaft 13 is sleeved in the positioning hole 51, and the rotating block 5 is connected to the base 1 and can rotate 360 ° on a horizontal plane around the positioning shaft 13 to adjust an angular position.

Referring to fig. 12, 13 and 14, the sliding rod 6 is a rod with a square cross section, one side of the rod is provided with a horizontal fixing through hole 62, the other side of the rod is provided with a vertical guide hole 61, the guide hole 61 is a square hole, the end of the sliding rod 6 on the same side as the guide hole 61 is provided with an adjusting screw hole 63, and the adjusting screw hole 63 is transversely communicated with the guide hole 61. Referring to fig. 1, two slide bars 6 are respectively disposed in the square sliding grooves 52 at two ends of the rotating block 5, and can slide in the square sliding grooves 52 along the longitudinal direction to adjust the radial position, after the slide bars 6 are positioned, the bolts 7 and nuts 8 of M4 pass through the long-waist through grooves 53 of the rotating block 5 and the fixing through holes 62 of the slide bars 6 to position the slide bars 6.

Referring to fig. 15 and 16, the L-shaped rib clamp 9 includes a vertical rod 91, a horizontal rod 92 and a resilient clamp 93. The elastic clamp 93 is used for clamping the rib plate D, and the clamping opening of the elastic clamp is along the vertical direction; the cross rod 92 is horizontally arranged, one end of the cross rod is fixedly connected with the lower end of the vertical rod 91, and the other end of the cross rod is welded and fixed with the elastic clamp 93; the cross section of the vertical rod 91 is square, and the vertical rod is penetrated in the guide hole 61 of the slide rod 6 and can slide up and down in the guide hole 61 along the vertical direction, so that the two L-shaped rib plate clamping rods 9 are respectively and vertically connected to the outer side ends of the two slide rods 6, the height position of the slide rod 6 can be adjusted, and the adjusted vertical rod plate is screwed into the adjusting screw hole 63 of the slide rod 6 through the screw 10 of the M4 for positioning.

Referring to fig. 17, the method for installing the pipe rib plate by using the auxiliary device includes the following steps:

1) installing a base 1 on a flange C of a branch pipe B, fixedly connecting a limiting column 2 to the lower parts of T-shaped blocks 3 through threads, respectively inserting the two T-shaped blocks 3 into T-shaped grooves 12 on two sides of the base 1, then directly placing the limiting column 2 into a connecting hole of the flange C, and arranging the base 1 on the upper plane of the flange C.

2) The base 1 is centered, the position of the base 1 is adjusted according to the scales 32 on the two T-shaped blocks 3, the scales 32 on the two T-shaped blocks 3 are kept the same, so that the base 1 is arranged on the center position of the flange C, and then the fixing bolt 4 of the M8 is locked to fix the position of the base 1 and prevent the base 1 from shifting.

3) The rotating block 5, the two sliding rods 6 and the two L-shaped rib plate clamping rods 9 are installed, namely the positioning shaft 13 is sleeved in through the positioning hole 51, so that the rotating block 5 is installed on the base 1, meanwhile, the vertical rods 91 of the two L-shaped rib plate clamping rods are respectively vertically inserted into the guide holes 61 of the two sliding rods 6, and then the two sliding rods 6 are respectively inserted into the square sliding grooves 52 on the two sides of the rotating block 5.

4) Installing a rib plate D, clamping the two rib plates D on elastic clamps 93 of two L-shaped rib plate clamping rods 9 respectively, adjusting the height of the L-shaped rib plate clamping rods 9 through the lifting of vertical rods 91 in guide holes 61, adjusting the distance between the elastic clamps 93 and a branch pipe B through the sliding of a sliding rod 6 in a square sliding groove 52, adjusting the relative angular position between the elastic clamps 93 and a flange C through the rotation of a rotating block 5 on a base 1, adjusting the rib plate D to a pre-installation position, locking the position of the sliding rod 6 through bolts 7 and nuts 8 of M4 after the adjustment is completed, locking the position of the L-shaped rib plate clamping rods 9 through screws 10 of M4, and finally performing the welding operation of the rib plate D.

The scope of the invention is not limited to the embodiments described above, but also encompasses other variants and alternatives which are obvious for the invention.

Claims

1. The utility model provides an auxiliary device is used in installation of pipe fitting gusset, this pipe fitting indicates on the marine low-speed diesel engine intercrossing's the person in charge and branch pipe, is equipped with the flange on this branch pipe, the gusset is connected between this person in charge and branch pipe, its characterized in that: the auxiliary device comprises a base, two limiting columns, two T-shaped blocks, a rotating block, two sliding rods and two L-shaped rib plate clamping rods; the base comprises a body and a positioning shaft, a T-shaped groove which is longitudinally penetrated and horizontally arranged is arranged on the lower side surface of the body, threaded holes communicated with the T-shaped groove are formed in the two side surfaces of the body, and the positioning shaft is vertically connected to the center of the upper side surface of the body; the two limiting columns are respectively and vertically connected to the outer side parts of the two T-shaped blocks and inserted into the connecting holes of the flange so as to be positioned, the two T-shaped blocks are respectively inserted into the T-shaped groove of the body from two ends and can slide in the T-shaped groove, and the two T-shaped blocks are fixed through the threaded holes and the fixing bolts after being positioned; the rotating block is connected to the base through the positioning shaft and can rotate on a horizontal plane around the positioning shaft to adjust the angle position, and the two sliding rods are respectively connected to two ends of the rotating block and can longitudinally slide on the rotating block to adjust the radial position; two L type gusset clamping bars connect vertically in the outside end of two slide bars just can slide from top to bottom along the vertical direction on this slide bar in order to adjust the height position, this L type gusset clamping bar includes montant, horizontal pole and elasticity clamp, the montant connect in on the slide bar, the horizontal pole level sets up, one end with the lower extreme fixed connection of montant, the other end with the elasticity clamp is fixed to be connected, and this elasticity clamp is used for the centre gripping the gusset.

2. The auxiliary device for pipe fitting rib plate installation according to claim 1, wherein: the T-shaped block is a rod piece with a T-shaped cross section, one side part of the bottom surface is provided with a fixing screw hole connected with the limiting column, and the top surface is provided with scales for adjusting the central position of the base.

3. The auxiliary device for pipe fitting rib plate installation according to claim 2, wherein: the limiting column is a stepped shaft, the big end of the stepped shaft is inserted into the connecting hole of the flange, and the small end of the stepped shaft is a stud connected with the T-shaped block.

4. The auxiliary device for pipe fitting rib plate installation according to claim 1, wherein: the center of the lower plane of the rotating block is provided with a positioning hole connected with the positioning shaft of the base, two side parts of the upper plane are symmetrically provided with a square sliding groove along the longitudinal direction, and two side surfaces of the rotating block are provided with long waist through grooves transversely penetrating through the square sliding grooves.

5. The auxiliary device for pipe fitting rib plate installation according to claim 4, wherein: the slide bar be square cross-section's member, a lateral part is equipped with horizontally fixing hole, another lateral part is equipped with the vertically guiding hole, the tip of the slide bar with this guiding hole with one side is equipped with horizontal switch-on the regulation screw of guiding hole, the montant of L type gusset clamping bar is worn to arrange in the guiding hole, and through connecting in adjust the screw in the screw and advance line location, the slide bar set up in the square spout of rotatory piece, and through passing the bolt and the nut that fixing hole and this rotatory piece's long waist led to the groove advance line location.

6. The auxiliary device for pipe fitting rib plate installation according to claim 5, wherein: the cross section of the vertical rod is square, and the guide hole is a square hole.

7. The auxiliary device for pipe fitting rib plate installation according to claim 1, wherein: the rotating block can rotate on the base for 360 degrees.

8. The auxiliary device for pipe fitting rib plate installation according to claim 1, wherein the clamping opening of the elastic clamp is in a vertical direction.

9. A method for installing a pipe fitting rib plate by adopting the auxiliary device of claim 1 is characterized in that: the installation method comprises the following steps: