CN113084651A - Tooth-shaped matching grinding device and grinding method for marine engine connecting rod - Google Patents
Tooth-shaped matching grinding device and grinding method for marine engine connecting rod Download PDFInfo
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- CN113084651A CN113084651A CN202110361453.7A CN202110361453A CN113084651A CN 113084651 A CN113084651 A CN 113084651A CN 202110361453 A CN202110361453 A CN 202110361453A CN 113084651 A CN113084651 A CN 113084651A
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- connecting rod
- tooth
- eccentric
- marine engine
- cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/08—Machines or devices designed for grinding seat surfaces; Accessories therefor for grinding co-operating seat surfaces by moving one over the other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a grinding device and a grinding method for tooth form matching of a connecting rod of a marine engine. The rotary power device is fixed above the workbench. The tail end of an output shaft of the rotary power device is fixedly provided with an eccentric flange, at least one eccentric connecting shaft is hinged to the eccentric flange, the tail end of the eccentric connecting shaft is provided with a coupler, and the other end of the coupler is connected with a connecting rod. The tail end of the connecting rod is provided with a connecting rod cover fixing device. At least one side of the workbench is provided with a connecting rod positioning clamp. The fixing device is used for fixing the connecting rod cap, so that the tooth surface of the connecting rod cap is arranged downwards; the connecting rod positioning clamp is used for fixing the connecting rod body, so that the tooth surface of the connecting rod body is arranged upwards; the connecting rod body tooth surface is meshed with the connecting rod cover tooth surface. The invention realizes the matching and research of the connecting rod cover and the connecting rod body by driving the connecting rod cover to automatically reciprocate on the connecting rod body and depending on the self weight of the connecting rod cover. The labor intensity of workers is reduced, the equipment cost is low, and no consumables are generated after the grinding paste is removed in the using process.
Description
Technical Field
The invention belongs to the technical field of diesel engine, gasoline engine and dual-fuel engine manufacturing, and particularly relates to a grinding device and a grinding method for tooth form matching of a connecting rod of a marine engine.
Background
The meshing part of the connecting rod body and the connecting rod cover of the marine engine adopts a tooth-shaped structure, and the connecting rod with the tooth-shaped structure has the advantage that the shearing force of a connecting rod bolt can be reduced; but the structure has certain requirements on tooth profile accuracy and fit degree. When the tooth form is not ideal, the tooth form and the tooth form are easy to deform when being tightened, so that the problem of ellipse occurrence in subsequent fine boring processing is caused, and the cylindricity of an inner hole is influenced.
The tooth-shaped matching grinding processing (called lapping for short) of the connecting rod cap and the connecting rod body is one of the methods for ensuring the effective joint of the two. After the two are ground in a matching way, the tooth form fit rate of the two can reach more than 70%, so that after the tooth forms of the connecting rod body and the connecting rod cover are processed, a tooth form matching and grinding procedure is added, and the procedure is generally completed by a fitter. The cap of the connecting rod and the connecting rod body in the clamped state need to be manually carried to be matched with the grinding paste for grinding. Although the processing mode improves the bonding rate of the two materials, the manual operation wastes time and labor, and the grinding quality is unstable due to the influence of the operation level of the worker.
Some manufacturers also adopt a procedure of increasing grinding tooth shapes to ensure that the grinding tooth shapes are effectively attached, but to realize tooth shape grinding, a special tooth shape strong grinding machine needs to be purchased, the processing efficiency of the equipment is higher, the purchase price of the equipment is very expensive, and the consumption cost and the maintenance cost of the grinding wheel with the corresponding tooth shape in the subsequent use process are also very high, so that the grinding wheel is unacceptable for many enterprises.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention overcomes the defects of the prior art and provides a grinding device and a grinding method for tooth form matching of a marine engine connecting rod. The labor intensity of workers is reduced, the equipment cost is low, and no consumables are used except the grinding paste in the using process.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows:
a grinding device matched with a tooth form of a connecting rod of a marine engine comprises a rotary power device and a workbench.
The rotary power device is fixed above the workbench.
The tail end of an output shaft of the rotary power device is fixedly provided with an eccentric flange, at least one eccentric connecting shaft is hinged to the eccentric flange, the tail end of the eccentric connecting shaft is provided with a coupler, and the other end of the coupler is connected with a connecting rod.
The tail end of the connecting rod is provided with a connecting rod cover fixing device.
At least one side of the workbench is provided with a connecting rod positioning clamp.
The fixing device is used for fixing the connecting rod cap, so that the tooth surface of the connecting rod cap is arranged downwards; the connecting rod positioning clamp is used for fixing the connecting rod body, so that the tooth surface of the connecting rod body is arranged upwards; the connecting rod body tooth surface is meshed with the connecting rod cover tooth surface.
Preferably, the eccentric flange is hinged with two eccentric connecting shafts, and the two eccentric connecting shafts are arranged in a reverse direction.
Two sides of the workbench are respectively provided with a connecting rod positioning clamp.
Preferably, the rotary power device is an electric motor or a hydraulic motor or a rotary cylinder with a speed reducing mechanism.
Preferably, the eccentric flange is provided with a slide way which is inwards recessed along the radial direction of the eccentric flange, a T-shaped bolt is arranged in the slide way in a sliding mode, the eccentric connecting shaft is hinged with the T-shaped bolt, and the T-shaped bolt is connected with a fastening nut in a threaded mode.
The fastening nut prevents the eccentric connecting shaft from separating from the T-shaped bolt, and simultaneously fixes the T-shaped bolt and the slideway.
Preferably, the T-shaped bolt is sleeved with a mandrel, and one end of the eccentric connecting shaft is sleeved outside the mandrel.
Preferably, the connecting rod outside cover be equipped with the linear bearing that the axis was arranged horizontally, linear bearing and workstation top surface fixed connection.
Preferably, the connecting rod cap fixing device is a pull ring assembly, and the pull ring assembly is fixedly connected with the connecting rod cap.
Preferably, the pull ring assembly comprises two first clamping plates, two second clamping plates and a plurality of fastening bolts.
Two first splint parallel opposite arrangement, two second splint are fixed in first splint both sides respectively, and equal threaded connection has a plurality of fastening bolt on every first splint.
The first clamping plate is fixedly connected with the tail end of the connecting rod.
Preferably, the connecting rod positioning clamp comprises a bottom plate.
The bottom plate is fixedly connected with the side face of the workbench, a positioning pin is convexly arranged on one side of the bottom plate, a supporting block is fixed on the other side of the bottom plate, the supporting block is positioned above the positioning pin, and an adjusting screw is connected to the supporting block in a threaded manner.
The position of the bottom plate opposite to the large-end center hole of the connecting rod body is in threaded connection with a double-end stud, and a second pressing plate is sleeved on the double-end stud.
The connecting rod tooth form matching grinding method comprises the following steps:
A. fixing a connecting rod body on a connecting rod positioning clamp, wherein the tooth-shaped surface of the connecting rod body is horizontally arranged upwards, and grinding paste is coated on the tooth-shaped surface of the connecting rod body;
B. fixing the connecting rod cover on the pull ring assembly, wherein the tooth-shaped surface of the connecting rod cover is horizontally arranged downwards, and the tooth-shaped surface of the connecting rod body is contacted and meshed with the tooth-shaped surface of the connecting rod cover;
C. and the rotating power device is started, the eccentric flange rotates, the rotating motion of the eccentric flange is converted into the reciprocating motion of the connecting rod through transition and turning of the eccentric connecting shaft and the coupling, and then the connecting rod cap is driven to reciprocate, so that the toothed surface of the connecting rod cap and the toothed surface of the connecting rod body are matched and ground with each other.
Compared with the prior art, the invention has the following beneficial effects:
(1) the grinding device for the tooth form matching of the connecting rod of the marine engine mainly depends on the self weight of the connecting rod cover to realize the tooth form fitting of the connecting rod cover and the connecting rod body, so that the external force interference is eliminated, and the grinding state is more natural and fitted.
(2) The tooth profile of the connecting rod of the marine engine is matched with the grinding device, and the grinding device can realize simultaneous grinding of the tooth profile of a single set or multiple sets of connecting rod assemblies through the eccentric device, thereby improving the processing efficiency and reducing the labor intensity of workers.
(3) The stroke of the connecting rod cover is adjustable and can be adjusted according to the process requirements.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of a marine engine connecting rod tooth form fit grinding apparatus with a single-sided belt clamp of the present invention,
figure 2 is a front view of the marine engine connecting rod tooth form-fitting grinding apparatus with clamps on two sides of the invention,
figure 3 is a side view a of figure 2,
FIG. 4 is a plan view of the marine engine connecting rod tooth form-fitting grinding apparatus with clamps on both sides according to the present invention,
figure 5 is an enlarged view of a portion of figure 4 at C,
FIG. 6 is a top view of the marine engine connecting rod tooth form fit grinding device for simultaneously grinding four sets of connecting rod belts
In the figure: 1-rotary power device, 2-eccentric flange, 201-slideway, 202-T type bolt, 203-fastening nut, 204-mandrel, 205-bearing, 206-first pressing plate, 3-eccentric connecting shaft, 4-coupler, 5-connecting rod, 6-linear bearing, 7-pull ring component, 701-first clamping plate, 702-second clamping plate, 703-fastening bolt, 8-connecting rod body, 9-connecting rod cover, 10-connecting rod positioning clamp, 1001-positioning pin, 11-second pressing plate, 1101-stud, 12-supporting block, 13-adjusting screw, 14-workbench, 1401-control switch and 15-push rod.
Detailed Description
The accompanying drawings are preferred embodiments of the grinding device and the grinding method for the tooth form fit of the marine engine connecting rod, and the invention is further described in detail with reference to the accompanying drawings.
As shown in the attached figure 1, the grinding device matched with the tooth form of the connecting rod of the marine engine comprises a rotary power device 1 and a workbench 14, wherein the workbench 14 is fixed on a hardened bottom surface, the rotary power device 1 is fixed above the workbench 14 through a supporting frame at the bottom of the rotary power device, and the rotary power device 1 can adopt a motor or a hydraulic motor or a rotary cylinder with a speed reducing mechanism according to the actual conditions in each factory building. In the present embodiment, the rotary power unit 1 is a reduction motor.
An eccentric flange 2 is fixed at the tail end of an output shaft of the rotary power device 1, and the output shaft of the rotary power device 1 and the eccentric flange 2 are arranged eccentrically.
An eccentric connecting shaft 3 is at least hinged to the eccentric flange 2, a coupler 4 is arranged at the tail end of the eccentric connecting shaft 3, the other end of the coupler 4 is connected with a connecting rod 5, a connecting rod cover fixing device is arranged at the tail end of the connecting rod 5, and a connecting rod positioning clamp 10 is arranged on at least one side of the workbench 14.
The connecting rod cap fixing device is used for fixing the connecting rod cap 9, so that the tooth surface of the connecting rod cap 9 is arranged downwards; the connecting rod positioning clamp 10 is used for fixing the connecting rod body 8, so that the tooth surface of the connecting rod body 8 is arranged upwards; the gear surface of the connecting rod body 8 is meshed with the gear surface of the connecting rod cover 9.
The distance between the hinge point of the eccentric connecting shaft 3 and the center of the circle of the eccentric flange 2 determines the stroke of the connecting rod cover 9, and the distance can be fixed or adjustable.
As shown in fig. 1, an eccentric connecting shaft 3 is hinged to the eccentric flange 2. In order to further improve the working efficiency, as shown in fig. 2, fig. 3 and fig. 4, two eccentric connecting shafts 3 are hinged on the eccentric flange 2, two connecting rod positioning clamps 10 are respectively arranged on two sides of the workbench 14, and the two eccentric connecting shafts 3 are reversely arranged. In order to avoid the interference of the two eccentric connecting shafts 3 in the rotating process of the eccentric flange 2, the hinge points of the two eccentric connecting shafts 3 are positioned on the same axis, and meanwhile, the two eccentric shafts 3 are positioned on two sides of the hinge points.
In the rotating process of the eccentric flange 2, the motion trail of one end of the eccentric connecting shaft 3 connected with the connecting rod 5 is a curve, so that a coupler 4 is additionally arranged between the eccentric connecting shaft 3 and the connecting rod 5, and the coupler 4 can adopt a one-way cross coupler or a universal joint.
In order to ensure that the connecting rod 5 does reciprocating motion along the horizontal direction, a linear bearing 6 which is axially and horizontally arranged is sleeved outside the connecting rod 5, and the linear bearing 6 is fixedly connected with the workbench 14 through a supporting frame. Under the turning of the coupler 4 and the limiting effect of the linear bearing 6, the eccentric flange 2 drives the connecting rod 5 to do reciprocating motion in the horizontal direction when rotating.
The grinding device can be used for grinding a plurality of connecting rod bodies 8 and connecting rod covers 9 simultaneously by matching the tooth shapes of the connecting rods of the marine engine, as shown in the attached drawing 6, at least two connecting rods 5 are arranged on one side of an eccentric flange 2, one end, facing the eccentric flange 2, of the connecting rod 5 on the same side is connected with a push rod 15, and the push rod 15 is vertically and fixedly connected with the connecting rods 5. The push rod 15 is connected with the eccentric connecting shaft 3 through a coupler 4.
In order to meet various process requirements and adjust the stroke of the connecting rod cap 9, as shown in fig. 5, a slide 201 is recessed in the eccentric flange 2 along the radial direction of the eccentric flange, a T-shaped bolt 202 is slidably arranged in the slide 201, the cross section of the slide 201 is also T-shaped, so that the slide 201 can be conveniently matched with the T-shaped bolt 202, and the T-shaped bolt 202 can only slide and cannot be separated from the slide 201. The T-bolt 202 is sleeved with the same number of mandrels 204 as the eccentric connecting shafts 3. One end of the eccentric connecting shaft 3 is sleeved outside the mandrel 204, and in order to further reduce the friction force when the eccentric connecting shaft 3 rotates, a bearing 205 is arranged between the mandrel 204 and the eccentric connecting shaft 3, and the bearing 205 can be a deep groove ball bearing.
The T-shaped bolt 202 is in threaded connection with a fastening nut 203, a first rock plate 206 is arranged between the fastening nut 203 and the mandrel 204, and the T-shaped bolt 202 is also sleeved with the first pressing plate 206.
The tightening nut 203 and the first presser plate 206 prevent the eccentric connecting shaft 3 from coming off the T-bolt 202. Meanwhile, when the fastening nut 203 is tightened, the T-bolt 202 is fixed at any given position of the slide 201.
In this embodiment, the connecting rod cover fixing device is a pull ring assembly 7, and the pull ring assembly 7 is fixedly connected with the connecting rod cover 9.
The tab assembly 7 comprises two first clamping plates 701, two second clamping plates 702 and a plurality of fastening bolts 703.
Two first splint 701 parallel opposite arrangement, two second splint 702 are fixed in first splint 702 both sides respectively, and equal threaded connection has a plurality of fastening bolt 703 on every first splint 701. The first clamping plate 701 is fixedly connected with the tail end of the connecting rod 5.
The connecting rod positioning clamp 10 comprises a bottom plate, the bottom plate is fixedly connected with the side face of a workbench 14, a positioning pin 1001 is convexly arranged on one side of the bottom plate, a supporting block 12 is fixed on the other side of the bottom plate, the supporting block 12 is located above the positioning pin 1001, and an adjusting screw 13 is connected to the supporting block 12 in a threaded mode.
The position of the bottom plate opposite to the central hole of the big end of the connecting rod body 8 is in threaded connection with a stud 1101, and a second pressing plate 11 is sleeved on the stud 1101.
When the rotary power device 1 adopts a speed reduction motor, the workbench 14 is further provided with a control switch 1401, and the control switch 1401 is electrically connected with the rotary power device 1. The control switch 1401 includes two buttons of "on" and "off" and controls the turning on and off of the rotary power unit 1, respectively.
The connecting rod tooth form matching grinding method comprises the following steps:
A. the connecting rod body 8 is fixed on a connecting rod positioning clamp 10, the tooth-shaped surface of the connecting rod body 8 is arranged horizontally upwards, and grinding paste is smeared on the tooth-shaped surface of the connecting rod body 8.
The connecting rod body 8 small end hole is sleeved on the positioning pin 1001, the axial section of the positioning pin 1001 is isosceles trapezoid, the closer to the bottom plate of the connecting rod positioning clamp 10, the larger the outer diameter is, and therefore the connecting rod body 8 small end hole can be conveniently inserted. The outer wall of one side of the large end of the connecting rod body 8 is placed above the adjusting screw 13, and the large end of the connecting rod body 8 is pushed by rotating the adjusting screw 13, so that the tooth surface of the connecting rod body 8 is adjusted to the horizontal position. Then, the second pressing plate 11 is sleeved on the stud 1101, and the connecting rod body 8 is clamped by the second pressing plate 11 and the bottom plate of the connecting rod positioning clamp 10 together. The second pressure plate 11 can be screwed with the stud 1101, or the second pressure plate 11 can be fastened with a nut or a washer after being sleeved.
B. And fixing the connecting rod cover 9 on the pull ring assembly 7, wherein the toothed surface of the connecting rod cover 9 is horizontally arranged downwards, and the toothed surface of the connecting rod body 8 is contacted and meshed with the toothed surface of the connecting rod cover 9.
The link cover 9 is placed inside the frame formed by the first clamping plate 701 and the second clamping plate 702, and then the fastening bolt 703 is rotated, and the end of the fastening bolt 703 contacts with the end face of the link cover 9, thereby fixing the link cover 9.
C. The rotating power device 1 is started, the eccentric flange 2 rotates, the rotating motion of the eccentric flange 2 is converted into the reciprocating motion of the connecting rod 5 through transition and turning of the eccentric connecting shaft 3 and the coupling 4, and then the connecting rod cap 9 is driven to reciprocate, so that the toothed surface of the connecting rod cap 9 and the toothed surface of the connecting rod body 8 are matched and ground with each other.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Marine engine connecting rod profile of tooth cooperation grinder, its characterized in that:
comprises a rotary power device (1) and a workbench (14),
the rotary power device (1) is fixed above the workbench (14),
an eccentric flange (2) is fixed at the tail end of an output shaft of the rotary power device (1), at least one eccentric connecting shaft (3) is hinged on the eccentric flange (2), a coupler (4) is arranged at the tail end of the eccentric connecting shaft (3), the other end of the coupler (4) is connected with a connecting rod (5),
the tail end of the connecting rod (5) is provided with a connecting rod cover fixing device,
at least one side of the workbench (14) is provided with a connecting rod positioning clamp (10),
the connecting rod cover fixing device is used for fixing the connecting rod cover (9) and enabling the tooth surface of the connecting rod cover (9) to be arranged downwards; the connecting rod positioning clamp (10) is used for fixing the connecting rod body (8) and enabling the tooth surface of the connecting rod body (8) to be arranged upwards; the tooth surface of the connecting rod body (8) is meshed with the tooth surface of the connecting rod cover (9).
2. The marine engine connecting rod tooth form fit grinding device of claim 1, wherein:
the eccentric flange (2) is hinged with two eccentric connecting shafts (3), the two eccentric connecting shafts (3) are arranged in reverse,
two sides of the workbench (14) are respectively provided with a connecting rod positioning clamp (10).
3. The marine engine connecting rod tooth form fit grinding apparatus according to claim 1 or 2, wherein:
the rotary power device (1) is an electric motor or a hydraulic motor or a rotary cylinder with a speed reducing mechanism.
4. The marine engine connecting rod tooth form fit grinding apparatus according to claim 1 or 2, wherein:
a slide way (201) is inwards recessed along the radial direction of the eccentric flange (2), a T-shaped bolt (202) is arranged in the slide way (201) in a sliding manner, the eccentric connecting shaft (3) is hinged with the T-shaped bolt (202), a fastening nut (203) is connected onto the T-shaped bolt (202) in a threaded manner,
the fastening nut (203) prevents the eccentric connecting shaft (3) from being separated from the T-shaped bolt (202), and simultaneously fixes the T-shaped bolt (202) and the slide way (201).
5. The marine engine connecting rod tooth form fit grinding device of claim 4, wherein:
a mandrel (204) is sleeved on the T-shaped bolt (202), and one end of the eccentric connecting shaft (3) is sleeved outside the mandrel (204).
6. The marine engine connecting rod tooth form fit grinding device of claim 5, wherein:
the connecting rod (5) outside cover be equipped with linear bearing (6) that the axis was arranged horizontally, linear bearing (6) and workstation (14) top surface fixed connection.
7. The marine engine connecting rod tooth form fit grinding device according to claim 5 or 6, characterized in that:
the connecting rod cover fixing device is a pull ring component (7), and the pull ring component (7) is fixedly connected with the connecting rod cover (9).
8. The marine engine connecting rod tooth form fit grinding device of claim 7, wherein:
the pull ring component (7) comprises two first clamping plates (701), two second clamping plates (702) and a plurality of fastening bolts (703),
the two first clamping plates (701) are oppositely arranged in parallel, the two second clamping plates (702) are respectively fixed at two sides of the first clamping plates (702), each first clamping plate (701) is in threaded connection with a plurality of fastening bolts (703),
the first clamping plate (701) is fixedly connected with the tail end of the connecting rod (5).
9. The marine engine connecting rod tooth form fit grinding device of claim 8, wherein:
the connecting rod positioning clamp (10) comprises a bottom plate,
the bottom plate is fixedly connected with the side surface of the workbench (14), one side of the bottom plate is convexly provided with a positioning pin (1001), the other side of the bottom plate is fixedly provided with a supporting block (12), the supporting block (12) is positioned above the positioning pin (1001), the supporting block (12) is in threaded connection with an adjusting screw (13),
the position of the bottom plate opposite to the central hole of the big end of the connecting rod body (8) is in threaded connection with a stud (1101), and a second pressing plate (11) is sleeved on the stud (1101).
10. The grinding method for the tooth form fit of the connecting rod is characterized by comprising the following steps of:
A. fixing a connecting rod body (8) on a connecting rod positioning clamp (10), wherein the tooth-shaped surface of the connecting rod body (8) is arranged horizontally upwards, and ink grinding paste is coated on the tooth-shaped surface of the connecting rod body (8);
B. fixing a connecting rod cover (9) on the pull ring assembly (7), wherein the tooth-shaped surface of the connecting rod cover (9) is arranged horizontally downwards, and the tooth-shaped surface of the connecting rod body (8) is contacted and meshed with the tooth-shaped surface of the connecting rod cover (9);
C. the rotating power device (1) is started, the eccentric flange (2) rotates, the rotating motion of the eccentric flange (2) is converted into the reciprocating motion of the connecting rod (5) through transition and turning of the eccentric connecting shaft (3) and the coupling (4), and then the connecting rod cap (9) is driven to reciprocate, so that the tooth-shaped surface of the connecting rod cap (9) and the tooth-shaped surface of the connecting rod body (8) are matched and ground with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361453.7A CN113084651A (en) | 2021-04-02 | 2021-04-02 | Tooth-shaped matching grinding device and grinding method for marine engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361453.7A CN113084651A (en) | 2021-04-02 | 2021-04-02 | Tooth-shaped matching grinding device and grinding method for marine engine connecting rod |
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| Publication Number | Publication Date |
|---|---|
| CN113084651A true CN113084651A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110361453.7A Pending CN113084651A (en) | 2021-04-02 | 2021-04-02 | Tooth-shaped matching grinding device and grinding method for marine engine connecting rod |
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| CN (1) | CN113084651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939809A (en) * | 2022-07-22 | 2022-08-26 | 江苏振威新材料科技有限公司 | Rock wool board edging device |
| CN115229607A (en) * | 2022-07-11 | 2022-10-25 | 杭州祺达医疗科技有限公司 | Self-grinding tightness adjusting device and method for orthodontic pliers |
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| CN107617932A (en) * | 2017-11-03 | 2018-01-23 | 青岛理工大学 | Magnetic grinding machine for double-sided disc type small curvature surface component |
| CN209648362U (en) * | 2019-03-12 | 2019-11-19 | 上海马力索精密机械有限公司 | A kind of link lever tooth surface abrasion grinding maintenance unit |
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2021
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| JPS5942263A (en) * | 1982-05-07 | 1984-03-08 | ハンタ−・ヴアリ−・コンストラクシヨンズ・ピ−テイ−ワイ・リミテツド | Valve-seat lapping device |
| CN101342674A (en) * | 2007-07-12 | 2009-01-14 | 唐美春 | Grinding mill for link lever tooth surface of diesel engine |
| CN201120580Y (en) * | 2007-09-30 | 2008-09-24 | 苏州协成模具科技有限公司 | Grinding polisher |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229607A (en) * | 2022-07-11 | 2022-10-25 | 杭州祺达医疗科技有限公司 | Self-grinding tightness adjusting device and method for orthodontic pliers |
| CN114939809A (en) * | 2022-07-22 | 2022-08-26 | 江苏振威新材料科技有限公司 | Rock wool board edging device |
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Application publication date: 20210709 |