CN217833433U - Oil collecting ring installation tool for diesel engine crankshaft - Google Patents

Oil collecting ring installation tool for diesel engine crankshaft Download PDF

Info

Publication number
CN217833433U
CN217833433U CN202221313693.6U CN202221313693U CN217833433U CN 217833433 U CN217833433 U CN 217833433U CN 202221313693 U CN202221313693 U CN 202221313693U CN 217833433 U CN217833433 U CN 217833433U
Authority
CN
China
Prior art keywords
oil collecting
disc
central shaft
crankshaft
collecting ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221313693.6U
Other languages
Chinese (zh)
Inventor
严欢
庄磊
尹建军
聂嘉良
丁乐中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSSC Marine Power Zhenjiang Co Ltd
Original Assignee
CSSC Marine Power Zhenjiang Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CSSC Marine Power Zhenjiang Co Ltd filed Critical CSSC Marine Power Zhenjiang Co Ltd
Priority to CN202221313693.6U priority Critical patent/CN217833433U/en
Application granted granted Critical
Publication of CN217833433U publication Critical patent/CN217833433U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The utility model discloses a diesel engine bent axle's collection oil ring installation frock, including positioning disk, installing support and a pair of distance pipe, the positioning disk includes disc and central axle, and central axle one end welds with the heavy platform lateral surface center of tang of disc perpendicularly even. The mounting bracket comprises a central shaft sleeve, 4 supporting rods and 4 arc-shaped plates, wherein one ends of the 4 supporting rods are fixedly connected with the central shaft sleeve respectively, and the middle part of one side of each arc-shaped plate is fixedly welded on the side surface of the end of the other end of each supporting rod respectively. The guide disc and the mounting bracket are connected into a whole, and the other side of the arc-shaped plate is respectively abutted against the end face of the inner ring of the oil collecting ring. The utility model discloses simple structure only needs one man's operation, is showing and has improved work efficiency, and has improved collection oil ring installation quality.

Description

Oil collecting ring installation tool for diesel engine crankshaft
Technical Field
The utility model relates to an assembly fixture for diesel engine part, in particular to will gather oil ring and install frock on the bent axle end face flange fast accurately belongs to marine diesel installation technical field.
Background
The oil collecting ring is arranged on a flange on the end face of a crankshaft (hereinafter referred to as crankshaft) of the diesel engine, two ends of the oil collecting ring are axially limited by other parts arranged on the crankshaft respectively, and 3 uniformly distributed axial grooves on the inner annular surface of the oil collecting ring are radially limited by the end head of the outer end of the positioning pin radially corresponding to the outer peripheral surface of the flange on the end face of the crankshaft, so that the defect that lubricating oil splashes everywhere due to relative rotation of the oil collecting ring and the crankshaft can be prevented. The lubricating oil splashed from the crankshaft end is collected through the radial spiral groove of the oil collecting ring, and then the lubricating oil is intensively flowed back to the public base, so that the internal operation environment of the diesel engine is improved, and the utilization rate of the lubricating oil is improved. Therefore, the correct installation of the oil collecting ring directly influences the overall performance and the product quality of the diesel engine and also relates to the safety problem when the diesel engine runs.
At present, the installation of the oil collecting ring can be completed through the matching operation of two operators. The installation process is as follows: the O-shaped sealing ring is firstly arranged in an inner ring of the oil collecting ring, then an inner ring hole is aligned with a crankshaft end face flange of the diesel engine, 3 uniformly distributed axial grooves on an inner ring surface are respectively aligned with outer end heads of corresponding positioning pins on the outer peripheral surface of the crankshaft end face flange, then a wood hammer is used for knocking the inner ring point by point along the circumference, and the inner ring is slowly moved to the crankshaft end face flange to complete the installation of the oil collecting ring. This mounting method has two major problems: 1. the operation is time-consuming and labor-consuming, and the efficiency is very low. 2. When the wooden hammer is used for knocking the inner ring point by point, the end face of the oil collecting ring is difficult to be flush with the end face of the flange end of the crankshaft, the oil collecting ring is not uniformly stressed, the oil leakage phenomenon caused by the fact that the oil collecting ring cannot be installed in place is easy to occur, even the situation that the oil collecting ring is eccentrically worn on the end cover of the flywheel can occur, and the product quality and the operation safety of the diesel engine are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel engine bent axle's collection oil ring installation frock accomplishes the installation of installation collection oil ring accurate high-efficient high-quality ground.
The utility model discloses a following technical scheme realizes:
an oil collecting ring mounting tool for a crankshaft of a diesel engine comprises a guide disc, a mounting bracket and a pair of distance pipes, wherein the guide disc comprises a disc-shaped piece and a central shaft, the disc-shaped piece is made of a steel plate, a plurality of through holes are uniformly distributed on the radial outer edge of the disc-shaped piece, the positions of the through holes respectively correspond to the positions of flywheel connecting bolts penetrating through a flange on the end face of the crankshaft, a spigot sinking platform is recessed in the center of one side of the disc-shaped piece, a circle of flanging is bent at the edge of the disc-shaped piece, and the outer diameter of the flanging is matched with the aperture of an inner hole of the oil collecting ring; one end of the central shaft is vertically welded with the center of the outer side surface of the spigot sinking platform; the mounting bracket comprises a central shaft sleeve, 4 supporting rods and 4 arc-shaped plates, wherein the 4 supporting rods are vertically arranged in a cross shape, one ends of the 4 supporting rods are fixedly connected with the central shaft sleeve respectively, and the middle part of one side of each arc-shaped plate is fixedly welded on the side surface of the end head of the other end of each supporting rod respectively; when the oil collecting ring is installed, an inner hole of the oil collecting ring is sleeved on the excircle of the guide disc, each flywheel connecting bolt installed on the end face flange of the crankshaft respectively penetrates through the corresponding through hole of the disc-shaped part, a pair of distance pipes are symmetrically sleeved on the corresponding flywheel connecting bolts, and the guide disc is fixed on the end face flange of the crankshaft through flywheel fastening nuts respectively screwed on the ends of the flywheel connecting bolts; and after a screw rod at the other end of the central shaft of the guide disc sequentially penetrates through a central shaft sleeve and a thrust ball bearing of the mounting bracket, the guide disc and the mounting bracket are connected into a whole through a hexagon nut screwed on the screw rod at the other end of the central shaft, and the other side of the arc-shaped plate is respectively abutted against the end surface of an inner ring of the oil collecting ring.
The object of the invention is further achieved by the following technical measures.
Further, the difference between the outer diameter D1 of the outer circle formed by the outer edges of the 4 arc-shaped plates and the outer diameter D2 of the inner ring of the oil collecting ring is as follows: D1-D2=2 to 4mm.
Furthermore, the inner diameter of a spigot sinking platform of the disc-shaped part is matched with the outer diameter of a central boss of the crankshaft end face flange, and the difference H-H between the depth H of the spigot sinking platform and the height H of the central boss of the crankshaft end face flange is = 1.5-3.0 mm.
Further, the flanging is a combination body with one end being cylindrical and the other end being frustum-shaped, and the inclination angle alpha of the generatrix of the frustum-shaped is = 8-10 deg.
Furthermore, a counter bore is formed in one end of a central shaft sleeve of the mounting support, a tightening ring of the thrust ball bearing is fixedly bonded in the counter bore, a screw rod at the other end of the central shaft of the guide disc sequentially penetrates through the central shaft sleeve of the mounting support, the tightening ring of the thrust ball bearing, the rolling element retainer and the loosening ring, and then the guide disc and the mounting support are connected into a whole through a hexagon nut screwed on the screw rod at the other end of the central shaft.
The utility model discloses simple structure, each flywheel connecting bolt, flywheel fastening nut and a pair of distance pipe on the heavy platform of tang of guiding disc one side and the bent axle end face flange fix the guiding disc location on bent axle end face flange's center boss, and the installing support that one end and guiding disc linked firmly is recycled, moves epaxial hexagon nut through twisting, just can promote the collection oil ring through 4 arcs and remove on bent axle end face flange under the turn-ups direction of guiding disc. Only one person is needed for operation, so that the working efficiency is obviously improved, and the installation quality of the oil collecting ring is improved.
The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of the oil collecting ring mounting tool of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a three-dimensional view of the oil collecting ring mounting tool of the present invention;
FIG. 4 is an enlarged view of section I of FIG. 2;
fig. 5 is an enlarged view of a portion ii of fig. 2.
Detailed Description
The present invention will be further described with reference to the drawings and the embodiment of the present invention installed on the crankshaft 100 of the L27/38H type marine diesel engine.
As shown in fig. 1 to 5, the present embodiment includes a guiding disc 1, a mounting bracket 2 and a pair of distance pipes 3, the guiding disc 1 includes a disc 11 and a central shaft 12, the disc 11 is made of a steel plate with a thickness of 3mm, a plurality of through holes 111 are uniformly distributed on the radial outer edge of the disc 11, the positions of the through holes 111 correspond to the positions of flywheel connecting bolts 102 penetrating through a crankshaft end face flange 101, a spigot sinking platform 112 is recessed in the center of the left side of the disc 11 in fig. 2, a circle of flanging 113 is bent on the edge of the disc 11, and the outer diameter of the flanging 113 matches the aperture of an oil collecting ring inner hole 202. The left end of the central shaft 12 is vertically welded with the center of the outer side surface of the rabbet sinking platform 112.
The mounting bracket 2 comprises a central shaft sleeve 21, 4 support rods 22 and 4 arc-shaped plates 23, wherein the 4 support rods 22 are vertically arranged in a cross shape, one ends of the 4 support rods 22 are fixedly connected with the central shaft sleeve 21 in a welding mode respectively, and the middle parts of the right sides of the arc-shaped plates 23 are fixedly welded on the side faces of the ends of the other ends of the support rods 22 respectively. When the oil collecting ring 20 is installed, an inner hole 202 of the oil collecting ring is sleeved on the excircle of the guide disc 1, the flywheel connecting bolts 102 installed on the end face flange 101 of the crankshaft respectively penetrate through the corresponding through holes 111 of the disc-shaped member 11, the pair of distance pipes 3 are symmetrically sleeved on the corresponding flywheel connecting bolts 102, and the guide disc 1 is fixed on the end face flange 101 of the crankshaft through the flywheel fastening nuts 103 screwed on the ends of the flywheel connecting bolts 102 respectively. After the right end of the central shaft 12 of the guide disc 1 sequentially passes through the central shaft sleeve 21 and the thrust ball bearing 4 of the mounting bracket 2, the guide disc 1 and the mounting bracket 2 are connected into a whole through the hexagon nut 5 screwed on the screw 121 at the right end of the central shaft 12, and the left sides of the arc-shaped plates 23 respectively abut against the end surface of the inner ring of the oil collecting ring 20.
As shown in fig. 4, the difference between the outer diameter D1 of the outer circle formed by the outer edges of the 4 arc-shaped plates 23 and the outer diameter D2 of the inner circle of the oil collecting ring 20 is: D1-D2= 2-4 mm, and ensures that the arc-shaped plate 23 completely presses on the inner ring 21 of the oil collecting ring 20, so that the oil collecting ring 20 is stressed more uniformly when moving.
The outer diameter of a spigot sunken table 1011 of the disc-shaped part 11 and a hexagon nut 5 on a central boss 10-of the crankshaft end face flange 4 connect the guide disc 1 and the mounting bracket 2 into a whole. The thrust ball bearing 4 makes it more laborsaving to twist the hexagon nut 5 with the spanner, is convenient for oil collecting ring 20 to install on crankshaft end face flange 101.
Use the utility model discloses the process of installation oil collecting ring is as follows:
1) Installing the guide disc 1: firstly, a spigot sinking platform 1011 on the left side of the disc-shaped part 11 is sleeved on a central boss 1011 positioned at the right end of the crankshaft end face flange 101, and each flywheel connecting bolt 102 installed on the crankshaft end face flange 101 respectively penetrates through the corresponding through hole 111 of the disc-shaped part 1. Then, a pair of distance pipes 3 are symmetrically sleeved on the corresponding flywheel connecting bolts 102, and the guide disc 1 is fixed on the end face flange 101 of the crankshaft through flywheel fastening nuts 103 screwed on the ends of the flywheel connecting bolts 102 respectively.
2) Mounting the oil collecting ring 20 on the guiding disc 1: firstly, the oil collecting ring 20 is cleaned, then the O-shaped sealing ring 6 is coated with lubricating oil and then embedded into the inner ring groove 204 of the oil collecting ring 20, then the inner ring 201 of the oil collecting ring 20 is sleeved on the crankshaft end face flange 101 under the guiding of the frustum shape at the right end of the flanging 113 of the disc- shaped part 11, and 3 uniformly distributed axial grooves 203 on the inner ring face of the oil collecting ring 20 are respectively aligned and fixed on the outer peripheral face of the crankshaft end face flange 101 and correspond to the outer end of the positioning pin 7.
3) The mounting bracket 2 is fixed on the right side of the guiding disc 1: after a screw 121 at the right end of a central shaft 12 of the guide disc 1 sequentially passes through a central shaft sleeve 21 of the mounting bracket 2, a loose ring 41, a rolling element retainer 42 and a tight ring 43 of a thrust ball bearing 4 fixed on the right end of the central shaft sleeve 21, the guide disc 1 and the mounting bracket 2 are connected into a whole through a hexagon nut 5 screwed on the screw 121 at the right end of the central shaft, and the left sides of the arc-shaped plates 23 respectively abut against the end surface of an inner ring of the oil collecting ring 20;
4) Mounting the oil collecting ring 20 on the end face flange 101 of the crankshaft; continuing to screw the hexagon nut 5,4 arc plates 23 to push the inner ring 201 of the oil collecting ring 20 to move towards the crankshaft end face flange 101, and axially moving the 3 uniformly distributed axial grooves 203 on the inner ring face of the oil collecting ring 20 under the guidance of the outer end of the corresponding positioning pin 7 on the outer peripheral face of the crankshaft end face flange until the inner ring 201 of the oil collecting ring 20 is completely sleeved on the outer peripheral face of the crankshaft end face flange 101, so that the end face of the oil collecting ring 20 is flush with the end face of the crankshaft flange 101, and the installation of the oil collecting ring 20 is completed.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (5)

1. The oil collecting ring mounting tool for the crankshaft of the diesel engine is characterized by comprising a guide disc, a mounting bracket and a pair of distance pipes, wherein the guide disc comprises a disc-shaped part and a central shaft, the disc-shaped part is made of a steel plate metal plate, a plurality of through holes are uniformly distributed on the radial outer edge of the disc-shaped part, the positions of the through holes respectively correspond to the positions of flywheel connecting bolts penetrating through a flange on the end face of the crankshaft, a spigot sinking platform is recessed from the center of one side of the disc-shaped part, a circle of flanging is bent on the edge of the disc-shaped part, and the outer diameter of the flanging is matched with the aperture of an inner hole of the oil collecting ring; one end of the central shaft is vertically welded with the center of the outer side surface of the spigot sinking platform; the mounting bracket comprises a central shaft sleeve, 4 supporting rods and 4 arc-shaped plates, wherein the 4 supporting rods are vertically arranged in a cross shape, one ends of the 4 supporting rods are fixedly connected with the central shaft sleeve respectively, and the middle part of one side of each arc-shaped plate is fixedly welded on the side surface of the end head of the other end of each supporting rod respectively; when the oil collecting ring is installed, an inner hole of the oil collecting ring is sleeved on the excircle of the guide disc, each flywheel connecting bolt installed on the end face flange of the crankshaft respectively penetrates through the corresponding through hole of the disc-shaped part, a pair of distance pipes are symmetrically sleeved on the corresponding flywheel connecting bolts, and the guide disc is fixed on the end face flange of the crankshaft through flywheel fastening nuts respectively screwed on the ends of the flywheel connecting bolts; and after a screw rod at the other end of the central shaft of the guide disc sequentially penetrates through a central shaft sleeve and a thrust ball bearing of the mounting bracket, the guide disc and the mounting bracket are connected into a whole through a hexagon nut screwed on the screw rod at the other end of the central shaft, and the other side of the arc-shaped plate is respectively abutted against the end surface of an inner ring of the oil collecting ring.
2. The oil collecting ring installation tool of the diesel engine crankshaft as set forth in claim 1, characterized in that the difference between the outer diameter D1 of the outer circle formed by the outer edges of the 4 arc plates and the outer diameter D2 of the inner ring of the oil collecting ring is: D1-D2=2 to 4mm.
3. The oil collecting ring installation tool of the diesel engine crankshaft as set forth in claim 1, characterized in that the inner diameter of the spigot sinking platform of the disc-shaped member is matched with the outer diameter of the central boss of the crankshaft end face flange, and the difference H-H = 1.5-3.0 mm between the depth H of the spigot sinking platform and the height H of the central boss of the crankshaft end face flange.
4. The oil collecting ring mounting tool for the crankshaft of the diesel engine as claimed in claim 1, wherein the flange is a combination of a cylinder at one end and a frustum shape at the other end, and the inclination angle α = 8-10 ° of the generatrix of the frustum shape.
5. An oil collecting ring mounting tool for a crankshaft of a diesel engine as claimed in claim 1, wherein a counter bore is provided at one end of a central shaft sleeve of the mounting bracket, a tightening ring of the thrust ball bearing is fixed in the counter bore by bonding, and after a screw rod at the other end of the central shaft of the guide disc sequentially passes through the central shaft sleeve of the mounting bracket and the tightening ring, the rolling element retainer and the loosening ring of the thrust ball bearing, the guide disc and the mounting bracket are connected into a whole by a hexagon nut screwed on the screw rod at the other end of the central shaft.
CN202221313693.6U 2022-05-30 2022-05-30 Oil collecting ring installation tool for diesel engine crankshaft Active CN217833433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221313693.6U CN217833433U (en) 2022-05-30 2022-05-30 Oil collecting ring installation tool for diesel engine crankshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221313693.6U CN217833433U (en) 2022-05-30 2022-05-30 Oil collecting ring installation tool for diesel engine crankshaft

Publications (1)

Publication Number Publication Date
CN217833433U true CN217833433U (en) 2022-11-18

Family

ID=84021715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221313693.6U Active CN217833433U (en) 2022-05-30 2022-05-30 Oil collecting ring installation tool for diesel engine crankshaft

Country Status (1)

Country Link
CN (1) CN217833433U (en)

Similar Documents

Publication Publication Date Title
EP1179385A2 (en) Process and machine for uniting rotatable machine components
CN217833433U (en) Oil collecting ring installation tool for diesel engine crankshaft
US20040109626A1 (en) Bearing mounting flange having flexibility pocket
CN115008380A (en) Installation tool and installation method for oil collecting ring of diesel engine crankshaft
CN103157951A (en) Centrifugal steel mould hub repairing process
CN110614501B (en) Disassembly and assembly method and tool for overhauling large-scale hydraulic dynamometer
CN210878451U (en) Disassembly and assembly tool for overhauling large hydraulic dynamometer
CN214559556U (en) Floating positioning tool and positioning system for crankshaft grinding
CN211915985U (en) Assembly workbench for chromium carbide workpiece
CN111774902B (en) Valve body machining indexing fixture and machining method
CN214021538U (en) Steel piston coating tool
CN102554556B (en) Machining method for eliminating wear of propeller hub and blades of adjustable propeller device
CN219640868U (en) Tool for detecting deformation of automobile steel ring bolt hole
CN112692311A (en) Automatic clamp for finish machining of cylinder sleeve
CN202366949U (en) Simple machinery combined energy storage roller
CN210255153U (en) Special-shaped columnar part axis positioning fixture
CN220008151U (en) Auxiliary tool for digging circle on chain saw
CN211205108U (en) Special tool for detecting and maintaining engine cylinder block crankshaft hole seat
CN220094482U (en) Dismantling tool for eccentric pin bush of rotating wheel
CN220698844U (en) Rod piece adds clamping apparatus
CN215037113U (en) Industrial pipeline installation tool that is geared to needs of job
CN215798692U (en) Three-section type rotating device for biological rotating disc
CN215358248U (en) Be used for hydraulic reclamation engineering pipeline dismouting frock
CN218937338U (en) Contact type pneumatic measuring head
CN220649895U (en) Hydraulic seal testing device for special-shaped nodular cast iron pipe fitting

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant