CN218224745U

CN218224745U - Rotary device of marine diesel engine piston rod for boring mill processing

Info

Publication number: CN218224745U
Application number: CN202222303790.3U
Authority: CN
Inventors: 徐进; 陈琦; 陈翔
Original assignee: CSSC MES Diesel Co Ltd
Current assignee: CSSC MES Diesel Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-06
Anticipated expiration: 2032-08-30

Abstract

A rotary device of a marine diesel engine piston rod for boring mill processing comprises a bottom plate, a base, a limiting bolt, a plate type spring set, a vertical screw, a supporting top seat, a rolling bearing, a roller shaft, an adjusting spiral ring and a locking spiral ring; the bottom plate is fixed on the workbench, the base is connected onto the bottom plate in a floating mode through a limiting bolt, the sheet type spring set is clamped between the base and the bottom plate and upwards pushes the base away from the bottom plate through elasticity of the sheet type spring set, the vertical screw is connected to the center of the base, the supporting top seat is movably connected to the top end of the vertical screw, the rolling bearing is connected onto the supporting top seat through a roller shaft and is in contact with the piston rod in a propping mode, the piston rod is propped up through the elasticity of the sheet type spring set to be separated from the V-shaped iron, the adjusting spiral ring is fixed with the vertical screw and used for adjusting the heights of the supporting top seat and the rolling bearing, and the locking spiral ring is screwed on the vertical screw between the adjusting spiral ring and the base and tightly attached to the base to lock the position. The utility model discloses a station conversion of piston rod on the V type iron has reached the effect that alleviates intensity of labour, improves the operating efficiency.

Description

Rotary device of marine diesel engine piston rod for boring mill processing

Technical Field

The utility model relates to a processing technology of marine diesel engine equips, in particular to rotary device of marine diesel engine piston rod for boring machine processing belongs to machining technical field.

Background

The piston rod is one of important moving parts of a high-power low-speed marine diesel engine, is long in length, heavy in mass and extremely high in boring processing requirement, and needs to process hole systems on a plurality of surfaces on an excircle. When the hole series of the piston rod of the large diesel engine is processed, the piston rod workpiece placed on the V-shaped iron needs to be rotated for many times in the processing process so as to process holes on different surfaces, and a large amount of time and labor are consumed for rotating the piston rod. Therefore, the existing processing mode has low working efficiency, high labor intensity and numerous accident hidden dangers of quality, equipment, safety and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary device of marine diesel piston rod is used in boring machine processing installs on the workstation of horizontal boring machine, rotates marine diesel piston rod in the course of working, and the surface that will process rotates the position of processing, plays the effect of fixing, location and protection, reaches the effect that alleviates intensity of labour, improvement production efficiency, easy and simple to handle and assurance quality.

Based on the above-mentioned purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a rotary device of marine diesel piston rod for boring machine processing, install in on the workstation of boring machine and be located between two V type irons, the piston rod dress presss from both sides on these two V type irons, its characterized in that: the rotating device is positioned below the piston rod and comprises a bottom plate, a base, a limiting bolt, a sheet spring set, a vertical screw, a supporting top seat, a rolling bearing, a roller shaft, an adjusting spiral ring and a locking spiral ring;

the bottom plate is fixed on a workbench of the boring machine, the base is connected onto the bottom plate in a floating manner through a limiting bolt, the sheet type spring group is clamped between the base and the bottom plate and pushes the base upwards away from the bottom plate by utilizing the elasticity of the sheet type spring group, the vertical screw is vertically connected to the center of the base through threads, the supporting top seat is movably connected to the top end of the vertical screw, the rolling bearing is connected to the upper portion of the supporting top seat through the roller shaft and is in top contact with the periphery of the rod body of the piston rod, the piston rod is propped up by virtue of the elasticity of the sheet type spring group to be separated from the V-shaped iron, the adjusting spiral ring is fixed on the vertical screw, the rotation of the adjusting spiral ring drives the vertical screw to rotate on the base, so that the heights of the supporting top seat and the rolling bearing are adjusted, and the locking spiral ring is screwed on the vertical screw between the adjusting spiral ring and the base through threads and is tightly attached to the upper plane of the base, so that the adjusted vertical screw is locked in position.

Furthermore, the base is a cubic component, a stepped hole with a downward opening is formed in the lower plane of the base, the leaf spring group is arranged in the stepped hole, the limiting bolt penetrates through the stepped hole and the central hole of the leaf spring group to be connected to the bottom plate, and a threaded hole used for connecting the vertical screw rod is formed in the center of the upper plane of the base.

Furthermore, the number of the sheet spring set, the number of the limiting bolts and the number of the stepped holes are four respectively.

Further, each leaf spring group consists of six leaf springs, and the elastic force of each single leaf spring when the single leaf spring is pressed down by 0.35mm is 3260N. .

Furthermore, the front side and the rear side of the upper part of the supporting top seat are respectively provided with a transverse open slot, two roller shafts respectively penetrate into the open slots in parallel along the longitudinal direction, every two rolling bearings forming a group are respectively embedded into the open slots and penetrate through the roller shafts, and the piston rod is clamped between the upper parts of the front and rear two groups of rolling bearings and can rotate.

Further, the upper portion of the rolling bearing is higher than the top end of the supporting top seat.

Further, a connection hole into which the handle can be inserted to push the adjustment screw ring and the locking screw ring to rotate.

Furthermore, the limiting bolt is long enough to enable the base to be separated from the contact with the bottom plate under the action of the elastic force of the sheet spring set, and the piston rod is pushed upwards to be separated from the V-shaped iron.

Furthermore, the number of the rotating devices is two, the rotating devices are respectively arranged on the workbench close to the V-shaped iron, and the rolling bearings of the two rotating devices are correspondingly coaxial.

Compared with the prior art, the utility model discloses lift up the piston rod with the help of the elasticity of piece formula spring assembly, and needn't use hoisting equipment, adopt antifriction bearing to support when the piston rod rotates simultaneously, can operate the rotation of piston rod easily, realized carrying out the conversion of processing station to the piston rod on the V type iron conveniently, reached and alleviateed intensity of labour, improved the effect of operating efficiency, have easy and simple to handle, reliable safe advantage, can extensively be applicable to the processing of marine diesel engine piston rod and other large-scale major axis class parts.

Drawings

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

Fig. 2 is a top view of the present invention.

Fig. 3 is a perspective structure view of the present invention.

Fig. 4 is a use state diagram of the present invention.

In the figure, 01-a workbench, 02-V-shaped iron, 03-a piston rod, 1-a supporting top seat, 2-a rolling bearing, 3-a vertical screw rod, 4-a roller shaft, 5-an adjusting spiral ring, 6-a locking spiral ring, 7-a handle, 8-a sheet spring set, 9-a bottom plate, 10-a base and 11-a limiting bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, which should not be construed as limiting the scope of the invention.

The utility model is used for the processing of large-scale major axis class part on the boring machine, like marine diesel piston rod. Referring to fig. 4, the piston rod 03 is clamped on two V-shaped irons 02 by a pressing plate, and the rotating device is installed on a worktable 01 of the horizontal boring machine, located between the two V-shaped irons 02 and arranged below the piston rod 03.

The rotating device comprises a bottom plate 9, a base 10, a limiting bolt 11, a sheet type spring set 8, a vertical screw rod 3, a supporting top seat 1, a rolling bearing 2, a roller shaft 4, a handle 7, an adjusting spiral ring 5 and a locking spiral ring 6.

Referring to fig. 1 and 3, the bottom plate 9 is fixed on a table 01 of the boring machine.

The base 10 is floatingly connected to the bottom plate 9 through the limiting bolt 11; the base 10 is a cubic component, and a stepped hole with a downward opening is formed in the lower plane; the plate spring group 8 is arranged in the step hole, and the limiting bolt 11 penetrates through the step hole and a central hole of the plate spring group 8 to be connected to the bottom plate 9; the center of the upper plane of the base 10 is provided with a threaded hole for connecting the vertical screw 3. The number of the sheet spring group 8, the number of the limiting bolts 11 and the number of the step holes are four respectively.

The leaf spring group 8 is sandwiched between the base 10 and the bottom plate 9, and the base 10 is pushed upward away from the bottom plate 9 by its own elastic force. The limiting bolt 11 must be long enough to make the base 10 be able to be separated from the contact with the bottom plate 9 under the elastic force of the leaf spring set 8, and push the piston rod 03 upwards to be separated from the V-shaped iron 02. Each sheet spring group consists of six sheet springs, and three sheet springs are connected in series and then connected in parallel. The model of the sheet spring is 50-22.4-2.5, the elastic force of the single sheet spring when the single sheet spring is pressed down for 0.35mm is 3260N, and the supporting force of six sheets which are simultaneously stressed for 0.35mm can be 19560N; the four groups of six sheets are superposed and connected in series, and the total supporting force obtained by considering the safety coefficient is 3T.

The vertical screw 3 is vertically connected to a threaded hole in the center of the base 10 through an M60 thread, the supporting top seat 1 is movably connected to the top end of the vertical screw 3, the rolling bearing 2 is connected to the upper part of the supporting top seat 1 through the roller shaft 4 and is abutted against the periphery of the rod body of the piston rod 03, and the piston rod 03 is supported and jacked up by means of the elasticity of the leaf spring group 8 to be separated from the V-shaped iron 02.

Referring to fig. 2 and 3, the front and rear sides of the upper portion of the supporting top seat 1 are respectively provided with a horizontal open slot, and the two roller shafts 4 are longitudinally and parallelly inserted into the open slots respectively; the rolling bearings 2 are double-row cylindrical roller bearings, every two rolling bearings are embedded into the open grooves respectively in a group and penetrate through the roller shafts 4, the upper portions of the rolling bearings 2 are higher than the top end of the supporting top seat 1, and the piston rods 03 are clamped between the upper portions of the front and rear rolling bearings 2 and can rotate.

Referring to fig. 1 and fig. 3, the adjusting screw ring 5 is fixed on the vertical screw rod 3, and the rotation of the adjusting screw ring 5 drives the vertical screw rod 3 to rotate on the base 10, so as to adjust the heights of the supporting top seat 1 and the rolling bearing 2. The locking screw ring 6 is screwed on the vertical screw rod 3 between the adjusting screw ring 5 and the base 10 through threads, and when the adjusting screw ring 5 rotates downwards and is tightly attached to the upper plane of the base 10, the position of the adjusted vertical screw rod 3 can be locked.

The peripheries of the adjusting spiral ring 5 and the locking spiral ring 6 are respectively provided with a plurality of connecting holes, and the handle 7 can be inserted into the connecting holes to push the adjusting spiral ring 5 and the locking spiral ring 6 to rotate.

Referring to fig. 4, the two rotating devices are respectively disposed on the worktable 01 near the V-shaped iron 02, and the rolling bearings 2 of the two rotating devices are coaxial, that is, the front rolling bearing 2 is coaxial with the front rolling bearing 2, and the rear rolling bearing 2 is coaxial with the rear rolling bearing 2, so as to ensure synchronization when lifting the piston rod 03.

The utility model discloses an installation use as follows:

referring to fig. 4, when a piston rod 03 needs to be machined on a horizontal boring machine, the bottom plate 9 and the workbench 01 are fixedly connected, the two rotating devices are installed on the workbench 01 of the horizontal boring machine and located between two V-shaped irons 02, then the height of the rolling bearing 2 is adjusted by rotating the adjusting screw ring 5, so that the top of the rolling bearing is higher than the V-shaped groove of the V-shaped iron 02, and the locking screw ring 6 is rotated by the handle 7 to be attached to the base 10, so that the heights of the supporting top seat 1 and the rolling bearing 2 are locked; and then the piston rod 03 is placed on the V-shaped iron 02 and fixed through the pressing plate, so that the piston rod 03 presses the rolling bearing 2 and the supporting top seat 1 downwards, the sheet type spring group 8 is in a compressed state, and then the piston rod 03 is processed.

After the processing content of the previous station is finished, the pressing plate on the V-shaped iron 02 is loosened, the cylindrical roller bearing supporting top 1 jacks up the piston rod 03 through the supporting top seat 1 and the rolling bearing 2 under the action of the elastic force of the plate type spring group 8, and the piston rod is separated from the support of the V-shaped iron 02; the piston rod 03 is rotated through external force, the piston rod 03 rotates on the rolling bearing 2, after the piston rod 03 rotates to a required angle, the pressing plate on the V-shaped iron 02 is fixed, the piston rod 03 presses down the rolling bearing 2 and the supporting top seat 1 again, the sheet type spring group 8 is compressed again, the piston rod 03 is fixed on the V-shaped iron 02 again, the processing of the next station is continued, and therefore the multi-surface processing of the piston rod 03 is completed.

The depressible amount of the rotary device was 5mm, and a single rotary device could support 3T.

The utility model discloses the processing operation of horizontal boring machine when having made things convenient for large-scale axle type part has alleviateed operator's intensity of labour effectively, has increased substantially machining efficiency and product quality, has eliminated the accident hidden danger, has guaranteed operator's personal safety, has reduced the processing cost simultaneously, has simple structure, easy and simple to handle, low cost, application scope wide advantage.

The above-mentioned embodiment is not used for limiting the scope of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiment, and should include other right as well the obvious transformation and substitution scheme of the present invention, all the changes and modifications made by the contents of the present invention belong to the scope of the present invention.

Claims

1. The utility model provides a rotary device of marine diesel piston rod for boring machine processing, install in on the workstation of boring machine and be located between two V type irons, the piston rod dress presss from both sides on these two V type irons, its characterized in that: the rotating device is positioned below the piston rod and comprises a bottom plate, a base, a limiting bolt, a sheet spring set, a vertical screw, a supporting top seat, a rolling bearing, a roller shaft, an adjusting spiral ring and a locking spiral ring;

2. The rotating device of the marine diesel piston rod for boring machine processing according to claim 1, characterized in that: the base is a cubic component, a stepped hole with a downward opening is formed in the lower plane of the base, the sheet type spring group is arranged in the stepped hole, the limiting bolt penetrates through the stepped hole and the central hole of the sheet type spring group to be connected to the bottom plate, and a threaded hole used for connecting the vertical screw rod is formed in the center of the upper plane of the base.

3. The rotating device of the marine diesel piston rod for boring machine processing according to claim 1 or 2, characterized in that: the number of the sheet spring groups, the number of the limiting bolts and the number of the step holes are four respectively.

4. The rotating device of the marine diesel piston rod for boring machine processing according to claim 3, characterized in that: each sheet spring group consists of six sheet springs, and the elastic force of each single sheet spring when the single sheet spring is pressed down by 0.35mm is 3260N.

5. The rotating device of the piston rod of the marine diesel engine for boring machine processing according to claim 1, characterized in that: the front side and the rear side of the upper part of the supporting top seat are respectively provided with a transverse open slot, two roller shafts respectively penetrate into the open slots in parallel along the longitudinal direction, every two rolling bearings forming a group are respectively embedded into the open slots and penetrate through the roller shafts, and the piston rod is clamped between the upper parts of the front and rear two groups of rolling bearings and can rotate.

6. The rotating device of the marine diesel piston rod for boring machine processing according to claim 1 or 5, characterized in that: the upper part of the rolling bearing is higher than the top end of the supporting top seat.

7. The rotating device of the piston rod of the marine diesel engine for boring machine processing according to claim 1, characterized in that: the rotating device also comprises a handle, a plurality of connecting holes are formed in the peripheries of the adjusting spiral ring and the locking spiral ring, and the handle can be inserted into the connecting holes to push the adjusting spiral ring and the locking spiral ring to rotate.

8. The rotating device of the marine diesel piston rod for boring machine processing according to claim 1, characterized in that: the limiting bolt is long enough to enable the base to be separated from contact with the bottom plate under the action of the elastic force of the sheet spring set, and the piston rod is pushed upwards to be separated from the V-shaped iron.

9. The rotating device of the marine diesel piston rod for boring machine processing according to claim 1, characterized in that: the two rotating devices are respectively arranged on the workbench close to the V-shaped iron, and rolling bearings of the two rotating devices are correspondingly coaxial.