Remanufacturing device for crankshaft of high-power internal combustion engine
By designing an automated device comprising a positioning rod, an inner rod, an outer rod, a motor, an electric push rod ...
Patent Information
- Application Number
- CN202520187379.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Traditional crankshaft grinding processes rely on manual operation, resulting in low production efficiency, unstable operation, and difficulty in maintaining consistency, which affects the processing quality, especially when dealing with crankshafts of different lengths and specifications.
An automated grinding device was designed, comprising a positioning rod, an inner rod, an outer rod, a spring and a positioning head, a sliding rod, an electric push rod, an electric push rod, an electric push rod, a motor, a motor, a motor, and a positioning assembly. Through the combination of automated positioning and grinding of the arc parts, the automated fixing and grinding of the crankshaft is achieved.
It enables stable fixing and automated grinding of crankshafts of different lengths and specifications, improving grinding efficiency and consistency, and ensuring processing quality.
Smart Images
Figure CN223749225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of crankshaft remanufacturing, especially to a remanufacturing device for high-power internal combustion engine crankshafts. BACKGROUND
[0002] The remanufacturing device for high-power internal combustion engine crankshafts is a device specially used for repairing or remanufacturing high-power internal combustion engine crankshafts. These devices are usually applied in the fields of engine maintenance and remanufacturing, especially in the maintenance of high-power machinery and heavy equipment. As one of the most critical components in engines, internal combustion engine crankshafts bear extremely high working loads. With long-term use, the surface of the crankshafts often suffers from damage such as wear and tear and cracks, and therefore needs to be repaired or remanufactured.
[0003] Traditional crankshaft polishing processes rely on manual operation, and the process precision and efficiency are low. Especially when facing crankshafts of different lengths and specifications, manual adjustment is often required, resulting in low production efficiency and unstable operation. Moreover, due to the limitations of manual operation, the polishing effect of the crankshafts is difficult to maintain consistency, affecting the processing quality. Therefore, a remanufacturing device for high-power internal combustion engine crankshafts is proposed to solve the above problems. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a remanufacturing device for high-power internal combustion engine crankshafts, aiming to improve the problem in the prior art that when facing crankshafts of different lengths and specifications, manual adjustment is often required, resulting in low production efficiency and unstable operation, and due to the limitations of manual operation, the polishing effect of the crankshafts is difficult to maintain consistency, affecting the processing quality.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a remanufacturing device for high-power internal combustion engine crankshafts, comprising an operation table, the upper front side of the operation table is fixedly connected with support frames one on the left and right, the upper part of the side away from the left support frame one is fixedly connected with a motor, the output end of the motor is fixedly connected with a positioning rod, the positioning rod penetrates through the support frame one, the side away from the right support frame one is fixedly connected with a support piece, the inside of the support piece is slidingly connected with an outer rod, the inside of the outer rod is slidingly connected with an inner rod, a through hole is formed in the inside of one side of the inner rod, the inner wall of the through hole is fixedly connected with a positioning assembly, the positioning assembly is used for fixing the position of the inner rod, one end of the inner rod is fixedly connected with a pull block, one end of the outer rod is fixedly connected with a sliding rod, the outer side of the outer rod and the inner rod is sleeved with a spring one.
[0006] As a further description of the above technical scheme:
[0007] The upper left rear side of the operating table is fixedly connected with a support frame two, the upper side of the support frame two is rotatably connected with an electric push rod, the output end of the electric push rod is fixedly connected with a bottom plate, the upper part of the bottom plate is fixedly connected with a fixed frame, one side of the fixed frame is fixedly connected with a motor, the output end of the motor is fixedly connected with an eccentric wheel, one side of the eccentric wheel is fixedly connected with a mounting rod, the outer part of the mounting rod is rotatably connected with a mounting ring, one side of the mounting ring is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a rotating bead, the outer part of the rotating bead is rotatably connected with a polishing arc piece.
[0008] As a further description of the above technical solution:
[0009] The positioning assembly comprises a spring two, one end of the spring two is fixedly connected to the inner wall of one side of the through hole, the other end of the spring two is fixedly connected with a positioning head, and the positioning head is slidingly connected in the inner part of the outer rod.
[0010] As a further description of the above technical solution:
[0011] One end of the spring one is fixedly connected to one side of the supporting piece, and the other end of the spring one is fixedly connected to one side of the pulling block.
[0012] As a further description of the above technical solution:
[0013] The outer rod is slidingly connected in the inner part of the support frame one.
[0014] As a further description of the above technical solution:
[0015] The bottom part of the bottom plate is fixedly connected with a moving seat, the upper rear side of the operating table is fixedly connected with a guide rail, and the moving seat is slidingly connected to the outer part of the guide rail.
[0016] As a further description of the above technical solution:
[0017] The positioning head is slidingly connected in the inner part of the through hole.
[0018] As a further description of the above technical solution:
[0019] The mounting ring is fixedly installed through the threaded connection of the mounting ring and the mounting rod.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1. The utility model discloses a crankshaft one end inserts the sleeve in the positioning rod, and pulls the pull -out block and drives the sliding rod, makes the crankshaft other end axle hole align the sliding rod, and the spring one rebound makes the sliding rod insert the crankshaft other end fixed, when pulling the pull -out block, the inner rod sliding makes the positioning head extrude spring no. 2, and the positioning head removes to the through -hole and ensures the inner rod smooth movement, realizes the fixed different length's crankshaft, ensures the stability and applicability when grinding the crankshaft.
[0022] 2. The utility model discloses a crankshaft one end inserts the sleeve in the positioning rod, and pulls the pull -out block and drives the sliding rod, makes the crankshaft other end axle hole align the sliding rod, and the spring one rebound makes the sliding rod insert the crankshaft other end fixed, when pulling the pull -out block, the inner rod sliding makes the positioning head extrude spring no. 2, and the positioning head removes to the through -hole and ensures the inner rod smooth movement, realizes the fixed different length's crankshaft, ensures the stability and applicability when grinding the crankshaft. ACCREDITATION OF DRAWINGS
[0023] Figure 1 It is a front view perspective drawing of the remanufacturing device of the high -power internal combustion engine crankshaft that the utility model proposes;
[0024] Figure 2 It is a plan view of the remanufacturing device of the high -power internal combustion engine crankshaft that the utility model proposes;
[0025] Figure 3 It is Figure 2 The enlarged view in A of the utility model;
[0026] Figure 4 It is the crankshaft installation and dismounting structure partial schematic view of the remanufacturing device of the high -power internal combustion engine crankshaft that the utility model proposes;
[0027] Figure 5 It is Figure 4 The enlarged view in B of the utility model;
[0028] Figure 6 It is Figure 2 The enlarged view in C of the utility model.
[0029] LEGEND:
[0030] 1, operation platform, 2, support frame one, 3, motor, 4, positioning rod, 5, support piece, 6, outer rod, 7, inner rod, 8, pull -out block, 9, sliding rod, 10, spring one, 11, through -hole, 13, spring no. 2, 14, positioning head, 15, support frame two, 16, electric push rod, 17, mobile seat, 18, bottom plate, 19, fixed frame, 20, motor, 21, eccentric wheel, 22, mounting rod, 23, mounting ring, 24, telescopic rod, 25, rotating bead, 26, polishing arc piece, 27, guide rail. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] With reference to Figures 3-5 The utility model provides a kind of embodiment: a kind of high-power internal combustion engine crankshaft's remanufacturing device, including operation platform 1, the upper portion front side left and right of operation platform 1 is fixedly connected with support frame one 2, the far side upper portion of left side support frame one 2 is fixedly connected with motor 3, the output of motor 3 is fixedly connected with locating rod 4, locating rod 4 penetrates support frame one 2, the far side of right side support frame one 2 is fixedly connected with support piece 5, the inside of support piece 5 is slidably connected with outer rod 6, the inside of outer rod 6 is slidably connected with inner rod 7, the inside one side of inner rod 7 is equipped with through hole 11, the inner wall of through hole 11 is fixedly connected with locating assembly, locating assembly is used to fix the position of inner rod 7, one end of inner rod 7 is fixedly connected with pull block 8, one end of outer rod 6 is fixedly connected with sliding rod 9, the outside one side of outer rod 6 and inner rod 7 is equipped with spring one 10;
[0033] Locating assembly includes spring two 13, one end of spring two 13 is fixedly connected in the inner wall of one side of through hole 11, the other end of spring two 13 is fixedly connected with locating head 14, locating head 14 is slidably connected in the inside of outer rod 6, locating head 14 is slidably connected in the inside of through hole 11;One end of spring one 10 is fixedly connected in the one side of support piece 5, the other end of spring one 10 is fixedly connected in the one side of pull block 8;Outer rod 6 is slidably connected in the inside of support frame one 2.
[0034] by inserting the one end of crankshaft in the outside of locating rod 4, then pull block 8 is pulled, it is driven under the driving of inner rod 7 and outer rod 6 to drive sliding rod 9, outer rod 6 is slid in the inside of support frame one 2, simultaneously spring one 10 is pulled, it generates rebound force, the other end hole of crankshaft is aligned with sliding rod 9, then pull block 8 is released, pull block 8 is pulled under the rebound force of spring one 10, inner rod 7 and outer rod 6 are pushed to reset under the movement of pull block 8, sliding rod 9 is inserted in the other end inside of crankshaft to fix it, and pull block 8 is pulled at the same time to make inner rod 7 slide in the inside of outer rod 6, make locating head 14 be extruded, locating head 14 is extruded at the same time to extrude spring two 13, it generates rebound force, locating head 14 moves to the inside of through hole 11, ensure that inner rod 7 can move smoothly, realize that the crankshaft of different length can be fixed, ensure the stability and applicability when grinding crankshaft.
[0035] With reference toFigure 1 、 Figure 2 、 Figure 6 The upper left rear side of the operating table 1 is fixedly connected with a support frame two 15, the upper side of the support frame two 15 is rotatably connected with an electric push rod 16, the output end of the electric push rod 16 is fixedly connected with a bottom plate 18, the upper part of the bottom plate 18 is fixedly connected with a fixed frame 19, one side of the fixed frame 19 is fixedly connected with a motor 20, the output end of the motor 20 is fixedly connected with an eccentric wheel 21, one side of the eccentric wheel 21 is fixedly connected with a mounting rod 22, the outer part of the mounting rod 22 is rotatably connected with a mounting ring 23, one side of the mounting ring 23 is fixedly connected with a telescopic rod 24, one end of the telescopic rod 24 is fixedly connected with a rotating bead 25, the outer part of the rotating bead 25 is rotatably connected with a polishing arc piece 26.
[0036] The bottom of the bottom plate 18 is fixedly connected with a moving seat 17, the upper rear side of the operating table 1 is fixedly connected with a guide rail 27, and the moving seat 17 is slidingly connected to the outer part of the guide rail 27; the mounting ring 23 is installed and fixed by being screwed with the mounting rod 22 through a nut.
[0037] The electric push rod 16 is started to push the bottom plate 18, the moving seat 17 is slidingly arranged on the outer part of the guide rail 27, and the polishing arc piece 26 is moved. The motor 20 is started at the same time that the electric push rod 16 is started, the eccentric wheel 21 is driven, the polishing arc piece 26 is driven through the mounting rod 22 and the telescopic rod 24, the polishing arc piece 26 is adjusted in distance while moving and polishing the crankshaft, the crankshaft can be smoothly and automatically polished, the polishing arc piece 26 can be perfectly matched with the crankshaft for polishing through the design of the rotating bead 25, the motor 3 is started, the crankshaft is driven to rotate under the action of the positioning rod 4, the other end of the crankshaft is rotated on the outer part of the sliding rod 9, the polishing efficiency of the crankshaft is improved, the automatic polishing of the crankshaft is realized, the polishing arc piece 26 can be perfectly matched with the crankshaft for polishing, the polishing efficiency and the degree of automation are improved.
[0038] Working principle: when the device needs to be used, one end of the crankshaft is inserted into the outer part of the positioning rod 4, the pull block 8 is pulled, the sliding rod 9 is driven to move through the inner rod 7 and the outer rod 6, the spring one 10 is pulled at the same time, the other end of the crankshaft is aligned with the sliding rod 9, then the pull block 8 is released, the pull block 8 is pulled under the rebound force of the spring one 10, the inner rod 7 and the outer rod 6 are pushed to reset, the sliding rod 9 is fixed to the crankshaft, the pull block 8 is pulled at the same time, the inner rod 7 is slidingly arranged in the outer rod 6, the positioning head 14 and the spring two 13 are extruded, the positioning head 14 moves to the inner part of the through hole 11, different lengths of crankshafts can be fixed, the stability and applicability of the crankshaft polishing are ensured.
[0039] Through starting the electric push rod 16 to push the moving base 17 through the bottom plate 18, sliding outside the guide rail 27, making the polishing arc piece 26 move, at the same time, starting the motor 20 to drive the eccentric wheel 21 to rotate, making the polishing arc piece 26 move forward and backward under the drive of the mounting rod 22 and the telescopic rod 24, so that it can normally move to polish the crankshaft, and through the design of the rotating bead 25, the polishing arc piece 26 can perfectly fit, starting the motor 3 to drive the crankshaft to rotate, so that the polishing efficiency of the crankshaft is improved, the automatic polishing treatment of the crankshaft is realized, and it is ensured that the polishing arc piece 26 can perfectly fit the crankshaft to polish it, so that the polishing efficiency and the automation degree are improved.
[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A remanufacturing device for a crankshaft of a high-power internal combustion engine, comprising an operating table (1), characterized in that: The upper front side of the operating platform (1) is fixedly connected with a support frame one (2) on the left and right, the upper part of the left side of the support frame one (2) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a positioning rod (4), the positioning rod (4) penetrates the support frame one (2), the side away from the right side of the support frame one (2) is fixedly connected with a support piece (5), the inside of the support piece (5) is slidably connected with an outer rod (6), the inside of the outer rod (6) is slidably connected with an inner rod (7), a through hole (11) is formed in the inside of one side of the inner rod (7), the inner wall of the through hole (11) is fixedly connected with a positioning assembly, the positioning assembly is used for fixing the position of the inner rod (7), one end of the inner rod (7) is fixedly connected with a pull block (8), one end of the outer rod (6) is fixedly connected with a sliding rod (9), the outer rod (6) and the inner rod (7) are sleeved with a spring one (10) on the outside.
2. A remanufacturing device for a crankshaft of a large power internal combustion engine according to claim 1, characterized in that: The upper left rear side of the operating platform (1) is fixedly connected with a support frame two (15), the upper side of the outside of the support frame two (15) is rotatably connected with an electric push rod (16), the output end of the electric push rod (16) is fixedly connected with a bottom plate (18), the upper part of the bottom plate (18) is fixedly connected with a fixing frame (19), one side of the fixing frame (19) is fixedly connected with a motor (20), the output end of the motor (20) is fixedly connected with an eccentric wheel (21), one side of the eccentric wheel (21) is fixedly connected with a mounting rod (22), the outside of the mounting rod (22) is rotatably connected with a mounting ring (23), one side of the mounting ring (23) is fixedly connected with a telescopic rod (24), one end of the telescopic rod (24) is fixedly connected with a rotating bead (25), the outside of the rotating bead (25) is rotatably connected with a polishing arc piece (26).
3. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 1, characterized in that: The positioning assembly comprises a spring two (13), one end of the spring two (13) is fixedly connected with the inner wall of one side of the through hole (11), the other end of the spring two (13) is fixedly connected with a positioning head (14), and the positioning head (14) is slidably connected in the inside of the outer rod (6).
4. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 1, characterized in that: One end of the spring one (10) is fixedly connected with one side of the support piece (5), and the other end of the spring one (10) is fixedly connected with one side of the pull block (8).
5. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 1, characterized in that: The outer rod (6) is slidably connected in the inside of the support frame one (2).
6. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 2, characterized in that: The bottom of the bottom plate (18) is fixedly connected with a moving seat (17), the upper rear side of the operating platform (1) is fixedly connected with a guide rail (27), and the moving seat (17) is slidably connected on the outside of the guide rail (27).
7. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 3, characterized in that: The positioning head (14) is slidably connected in the inside of the through hole (11).
8. The remanufacturing device of a large power internal combustion engine crankshaft according to claim 2, characterized in that: The mounting ring (23) is threadedly connected with the mounting rod (22) through a nut to install and fix the mounting ring (23).