Boring device for planet carrier

By designing a planet carrier boring processing device including a load bearing structure, cooling assembly and limit structure, the problems of unstable clamping and inconvenient processing in the prior art are solved, and stable fixation and efficient processing of the planet carrier are achieved.

CN119681711AActive Publication Date: 2025-03-25江苏行星重载齿轮箱有限公司

Patent Information

Application Number
CN202510216931.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-03-25
Estimated Expiration
2045-02-26

AI Technical Summary

Technical Problem

In the prior art, in the boring processing of planet carriers, the clamping device can only be used for single-sided processing, and the fixation of the circular planet carrier is unstable and the wall surface needs to be flipped and replaced.

Method used

Design a boring processing device for a planet carrier, including a load bearing structure, a cooling assembly and a limit structure. The bearing structure adjusts the height and rotation position of the planetary carrier through the bracket and the adjustment rod. The cooling assembly provides cooling during the boring process. The limit structure realizes the multi-way fixation of the planetary carrier through the expansion arm.

Benefits of technology

The stable clamping and multi-directional processing of the planet carrier are achieved, which reduces processing steps, improves processing efficiency, and maintains the cooling effect of the tool through coolant, extends the tool life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of drilling machining equipment, and discloses a planet carrier boring machining device which comprises a bearing structure, three cooling assemblies and three limiting structures. The three cooling assemblies are arranged on the bearing structure at equal intervals, the three limiting structures are fixedly arranged on the cooling assemblies, the height and rotation of the planet carrier can be adjusted through the bracket, the boring machining position can be adjusted according to needs in the machining process, and the machining flexibility and adaptability are improved; the expansion arms in the limiting structures can be inserted into the planet wheel mounting openings and are pressed downwards with the lower walls of the mounting openings for clamping and limiting, so that the stability of the planet carrier in the machining process can be ensured, the spacing of the limiting structures is adjustable, the limiting structures can be suitable for machining planet carriers of different sizes, the planet carriers are suspended and fixed, and the machining efficiency is improved. The upper side wall and the lower side wall of the planet carrier can be machined at the same time, machining steps can be reduced, and machining efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of drilling processing equipment, in particular to a boring processing device for a planetary carrier. Background Art

[0002] The planetary carrier is one of the main components of the planetary gear transmission. The reasonable structure of the planetary carrier should be light in weight, good in rigidity, and easy to process and assemble. Its common structural forms include double-side plate integral type, double-side plate separate type and single-side plate type. Among them, the double-side plate integral type has a structure in which the upper and lower side walls are circular ring structures, and three support bodies are equidistantly arranged in the middle. The space between the support bodies is used to install the planetary gears, and then the upper and lower side walls need to be processed and bored for the planetary gear installation positions. In the prior art, a single left-right symmetrical clamping or three reverse synchronous motion clamping is adopted in the boring processing of the planetary carrier. The existing clamping device can only be applied to the boring processing of a single side of the planetary carrier, and the wall surface needs to be flipped and replaced. Moreover, the above-mentioned single clamping method is unstable for the circular planetary carrier. Therefore, a boring processing device for the planetary carrier is designed. Summary of the invention

[0003] The object of the present invention is to provide a planet carrier boring processing device to solve the problems raised in the above background technology.

[0004] In order to solve the above-mentioned problems, the present invention provides the following technical solutions: a boring processing device for a planetary carrier, comprising a bearing structure, three cooling components and three limiting structures; the three cooling components are equidistantly arranged on the bearing structure, and the three limiting structures are fixedly arranged on the cooling components. The bearing structure can support the planetary carrier and rotate it, the cooling component can be used to cool the boring process, and the limiting structure can fix the planetary carrier in multiple ways.

[0005] Preferably, the bearing structure includes a base, a motor, a rotating table, three electric slide rails, a first hydraulic cylinder, a bracket, three adjusting rods and three adjusting bolts; the motor is fixedly arranged in the top end of the base, the bottom end of the rotating table is fixedly arranged on the motor driving end, and the bottom end of the rotating table is matched with the top end of the base, the three electric slide rails are equidistantly arranged on the upper wall of the rotating table, the first hydraulic cylinder is fixedly arranged in the middle part of the rotating table, and the telescopic end of the first hydraulic cylinder can movably pass through the upper wall of the rotating table, and the side wall of the bracket is equidistantly provided with three arm seats, the bracket is fixedly arranged on the telescopic end of the first hydraulic cylinder and is located above the middle part of the rotating table, the side walls of the arm seats are all penetrated with adjustment grooves in the middle part, the three adjusting rods are movably embedded in the arm seats, and the three adjusting bolts are movably passed through the adjustment grooves of the bracket and are screwed into the side walls of the adjusting rods.

[0006] Preferably, the cooling assembly includes a bracket, a second hydraulic cylinder, an adjusting slide, an adjusting slide, a first fixing bolt, a second fixing bolt and a cooling water pipe; the bracket is a T-shaped structure and has upper and lower ends and a front end, the lower end of the bracket is fixedly arranged on the electric slide rail and can move forward and backward through the electric slide rail, the second hydraulic cylinder is fixedly arranged on the middle part of the upper wall of the front end of the bracket, the adjusting slide is fixedly arranged on the telescopic end of the second hydraulic cylinder, one end of the adjusting slide is movably inserted in the adjusting slide, and the other end of the adjusting slide is a circular ring structure, the first fixing bolt is movably screwed on one end of the adjusting slide and can fit on the adjusting slide, the second fixing bolt is movably screwed on the side wall of the other end of the adjusting slide, one end of the cooling water pipe movably passes through the other end of the adjusting slide, and the cooling water pipe is fixed by the second fixing bolt, and the cooling water pipe is connected to the cooling water pipeline.

[0007] Preferably, the limiting structure includes a limiting seat, a plurality of bearings, a pair of gears, a pair of expansion arms, a third hydraulic cylinder and a gear rod; one end of the limiting seat is fixedly arranged on the upper end of the bracket and is located above the bracket and below the cooling water pipe, and the plurality of bearings are symmetrically embedded in the upper and lower side walls of the other end of the limiting seat, a pair of the gears are fixedly arranged in the middle parts on the axle, a pair of the gears are movably embedded in the other end of the limiting seat, and the axles on the gears are fixedly passed through the bearings, one ends of a pair of expansion arms are symmetrically sleeved on the axles of the gears and are located above the other end of the limiting seat, one end of the third hydraulic cylinder is fixedly passed through the middle part of the side wall of one end of the limiting seat, and the telescopic end of the third hydraulic cylinder is located in the limiting seat, a plurality of teeth are equidistantly arranged on the left and right side walls of the gear rod, one end of the gear rod is fixedly connected to the telescopic end of the third hydraulic cylinder, and the other end of the gear rod passes through the gears, and the gear rod is respectively engaged with the gears.

[0008] Preferably, the limiting seat is a convex structure, and a mounting cavity is opened through the middle, and the height of one end of the limiting seat is greater than that of the other end.

[0009] Preferably, the expansion arm can be reversely flipped by a gear.

[0010] Preferably, the expansion arm can be inserted into the planetary gear installation opening of the side wall of the planetary carrier.

[0011] Preferably, the cooling water pipe can be cast corresponding to the planet carrier.

[0012] Preferably, the planet carrier on the bracket can be raised by extending and driving the first hydraulic cylinder, so that the expansion arm is pressed down on the lower wall in the planet gear installation opening and cooperates with the bracket to clamp and fix the planet gear.

[0013] The present invention provides a boring processing device for a planetary carrier, wherein a bracket in a bearing structure is used to place the planetary carrier, and an adjusting rod and a planetary gear mounting opening of the planetary carrier are staggered, and the height of the planetary carrier can be adjusted and the boring processing position can be rotated during processing; an expansion arm in a limiting structure is inserted into the planetary gear mounting opening of the planetary carrier, and then the expansion arm is reversely turned to both sides to fit with the inner side wall of the mounting opening for limiting; according to processing requirements, the planetary carrier is raised, and the expansion arm is fit with the lower wall of the planetary gear mounting opening to achieve expansion and limiting fixation, and can also be pressed down and clamped and fixed with the bracket, thereby achieving stable clamping to prevent the planetary carrier from moving up and down and rotating left and right, and the lower part of the planetary carrier can be suspended in the air, so that the boring cutter can directly process the upper and lower side walls of the planetary carrier without turning the wall surface; the spacing between the three limiting structures can be adjusted, which is suitable for processing planetary carriers of various sizes; during processing, the coolant can be connected to the cooling component to achieve pouring and cooling of the processing part, and the beneficial effects are: 1. The present invention has height adjustment: the height and rotation of the planetary carrier can be adjusted through the bracket, so that the boring processing position can be adjusted as needed during the processing, thereby improving the flexibility and adaptability of the processing.

[0014] 2. Multi-directional limit: The expansion arm in the limit structure can be inserted into the planetary gear installation port, and by pressing down and clamping the lower wall of the installation port to limit the position, the stability of the planetary carrier during the processing can be ensured, preventing it from moving up and down and rotating left and right, so as to achieve stable fixation in line with the planetary carrier structure.

[0015] 3. Adapt to various sizes: The spacing between the three limit structures is adjustable, which means that the clamping mechanism can be applied to the processing of planetary carriers of various sizes, improving the versatility and economy of the equipment.

[0016] 4. Improved processing efficiency: The planetary carrier is suspended and fixed, which can promote the tool to process the upper and lower side walls of the planetary carrier at the same time without turning the wall surface, which can reduce the processing steps and improve the processing efficiency.

[0017] 5. Cooling effect optimization: During the processing, the coolant and cooling components can be connected to achieve pouring and cooling of the processing parts, which helps to maintain the cooling effect of the tool, extend the tool life, and also help to improve the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the assembly structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the split structure of the bearing structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the disassembled structure of the cooling assembly of the present invention.

[0022] Figure 4 It is a schematic diagram of the split structure of the limiting structure of the present invention.

[0023] Figure 5 This is a schematic diagram of the structure of the limit structure of the present invention, which is disassembled and enlarged.

[0024] Figure 6 This is a schematic diagram showing the enlarged structure of the limit structure assembly of the present invention.

[0025] Figure 7 For the present invention Figure 2 A partial enlarged view of point A in the figure.

[0026] Figure 8 For the present invention Figure 3 A partial enlarged view of point B in FIG.

[0027] Fig. 9 For the present invention Figure 4 A partial enlarged view of point C in the figure.

[0028] Fig.10 For the present invention Figure 1 A partial enlarged view of point D in the figure.

[0029] In the figure: 1. bearing structure; 11. base; 12. motor; 13. rotating table; 14. electric slide; 15. first hydraulic cylinder; 16. bracket; 17. adjusting rod; 18. adjusting bolt; 2. cooling assembly; 21. bracket; 22. second hydraulic cylinder; 23. adjusting slide; 24. adjusting slide seat; 25. first fixing bolt; 26. second fixing bolt; 27. cooling water pipe; 3. limiting structure; 31. limiting seat; 32. bearing; 33. gear; 34. expansion arm; 35. third hydraulic cylinder; 36. gear rod; 37. axle. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] See also Figure 1-Figure 10The present invention provides a technical solution: a boring processing device for a planetary carrier, comprising a bearing structure 1, three cooling components 2 and three limiting structures 3; the three cooling components 2 are equidistantly arranged on the bearing structure 1, and the three limiting structures 3 are fixedly arranged on the cooling components 2; the planetary carrier is supported by the bearing structure 1 and can be adjusted according to the diameter of the planetary carrier, as well as raised and suspended and rotated, the cooling effect of the boring processing can be improved by the cooling components 2, and the planetary carrier can be stably fixed in multiple ways by the limiting structures 3.

[0032] In a further embodiment, the bearing structure 1 includes a base 11, a motor 12, a rotating table 13, three electric slide rails 14, a first hydraulic cylinder 15, a bracket 16, three adjusting rods 17 and three adjusting bolts 18; the base 11 is a convex truncated cone structure, and the top diameter is smaller than the bottom end, the motor 12 is fixedly arranged in the top end of the base 11, the rotating table 13 is a convex truncated cone structure with the same diameter as the base 11, and the middle part of the rotating table 13 is a cavity structure, the bottom end of the rotating table 13 is fixedly arranged on the driving end of the motor 12, and the bottom end of the rotating table 13 is matched with the top end of the base 11, the three electric slide rails 14 are equidistantly arranged on the upper wall of the rotating table 13, the first hydraulic cylinder 15 is fixedly arranged in the middle part of the rotating table 13, and the first hydraulic cylinder The telescopic end of the bracket 15 can movably penetrate the upper wall of the rotating table 13. The middle part of the bracket 16 is circular, and three arm seats are equidistantly arranged on the side wall. The bracket 16 is fixedly arranged on the telescopic end of the first hydraulic cylinder 15 and is located above the middle part of the rotating table 13. The arm seats are all concave, and the middle part of the side wall is penetrated with adjustment grooves. Three adjustment rods 17 are respectively movably embedded in the arm seats, and three adjustment bolts 18 are respectively movably penetrated through the adjustment grooves of the bracket 16 and screwed into the side walls of the adjustment rods 17. The rotating table 13 can be driven by the motor 12 to rotate and adjust the processing position of the planetary carrier, and the planetary carrier is carried by the bracket 16, and the movable adjustment rod 17 increases the diameter load of the planetary carrier. The planetary carrier can be suspended by the first hydraulic cylinder 15 to facilitate direct double-sided processing.

[0033] In a further embodiment, the cooling assembly 2 includes a bracket 21, a second hydraulic cylinder 22, an adjusting slide 23, an adjusting slide seat 24, a first fixing bolt 25, a second fixing bolt 26 and a cooling water pipe 27; the bracket 21 is a T-shaped structure and has upper and lower ends and a front end, the lower end of the bracket 21 is fixedly arranged on the electric slide rail 14, and can be moved forward and backward through the electric slide rail 14, the second hydraulic cylinder 22 is fixedly arranged in the middle of the upper wall of the front end of the bracket 21, the adjusting slide 23 is fixedly arranged on the telescopic end of the second hydraulic cylinder 22, the adjusting slide seat 24 is L-shaped, one end of the adjusting slide seat 24 is movably inserted in the adjusting slide rail 23, and the adjusting slide seat The other end of 24 is a circular ring structure, the first fixing bolt 25 is movably screwed on one end of the adjusting slide 24 and can fit on the adjusting slide 23, the second fixing bolt 26 is movably screwed on the side wall of the other end of the adjusting slide 24, one end of the cooling water pipe 27 movably passes through the other end of the adjusting slide 24, and the cooling water pipe 27 is fixed by the second fixing bolt 26, the cooling water pipe 27 is connected to the cooling water pipe 27 road, the height of the cooling water pipe 27 can be adjusted by the second hydraulic cylinder 22, and the ejection position of the cooling water pipe 27 can be coordinated and adjusted by moving the adjusting slide 24 in the adjusting slide 23 and the cooling water pipe 27 in the adjusting slide 24.

[0034] In a further embodiment, the limiting structure 3 includes a limiting seat 31, a plurality of bearings 32, a pair of gears 33, a pair of expansion arms 34, a third hydraulic cylinder 35 and a gear rod 36; the limiting seat 31 is a convex structure, and a mounting cavity is opened through the middle part, one end of the limiting seat 31 is higher than the other end, one end of the limiting seat 31 is fixedly arranged on the upper end of the bracket 21 and is located above the bracket and below the cooling water pipe 27, a plurality of bearings 32 are symmetrically embedded in the upper and lower side walls of the other end of the limiting seat 31, the middle parts of the pair of gears 33 are fixedly arranged on the wheel axle 37, the pair of gears 33 are movably embedded in the other end of the limiting seat 31, and the wheel axles 37 on the gears 33 are fixedly passed through the bearings 32, One end of a pair of expansion arms 34 are symmetrically mounted on the axle 37 of the gear 33 and are located above the other end of the limit seat 31. One end of the third hydraulic cylinder 35 is fixedly passed through the middle of the side wall of one end of the limit seat 31, and the telescopic end of the third hydraulic cylinder 35 is located in the limit seat 31. A plurality of teeth are equidistantly arranged on the left and right side walls of the gear rod 36. One end of the gear rod 36 is fixedly connected to the telescopic end of the third hydraulic cylinder 35, and the other end of the gear rod 36 passes through the gears 33, and the gear rod 36 is respectively engaged with the gears 33; the gear rod 36 is driven to move forward and backward by the third hydraulic cylinder 35, and the gear 33 is driven to rotate in the opposite direction through the engagement transmission of the gear rod 36 and the gear 33, so that the expansion arm 34 is reversely flipped to expand and limit.

[0035] In a further embodiment, the expansion arm 34 can be reversely flipped through the gear 33 to achieve expansion and limiting of the inner wall of the planetary gear mounting opening of the planetary carrier in accordance with design requirements.

[0036] In a further embodiment, the expansion arm 34 can be inserted into the planetary gear installation opening of the planetary carrier side wall to meet the design fixing method requirements and achieve stable limited fixation.

[0037] In a further embodiment, the cooling water pipe 27 can be cast corresponding to the planet carrier.

[0038] Working principle: fix the base 11 in the bearing structure 1 on the corresponding processing table, and then place the planetary carrier on the bracket 16 when processing the planetary carrier. The adjusting rod 17 can be slid on the bracket 16 by rotating the adjusting bolt 18 to adjust the support range, adjust the diameter of the planetary carrier, and alternately place the adjusting rod 17 and the planetary gear installation opening of the planetary carrier, and at the same time, the installation opening of the planetary gear can be opposite to the limiting structure 3; Then, by controlling the electric slide rail 14, the three groups of limit structures 3 on the bracket 21 are driven to move synchronously, the expansion arm 34 is inserted into the planetary gear installation opening of the planetary carrier, and then the third hydraulic cylinder 35 in the limit seat 31 is driven to extend and drive, and the gear rod 36 moves forward to engage with the two gears 33, driving the two gears 33 to rotate in the opposite direction through the wheel shaft 37 with the help of the bearing 32, so as to drive the expansion arm 34 to flip to both sides to fit the left and right side walls of the planetary gear installation opening for limiting, so that the planetary carrier cannot rotate left and right; Then, the first hydraulic cylinder 15 in the rotating table 13 is controlled to extend and drive, driving the planetary carrier on the bracket 16 to rise, so that the expansion arm 34 is pressed down on the lower wall in the planetary gear installation opening, and clamped and fixed with the bracket 16, making the overall fixation more stable; and then, during the boring process, the rotating table 13 can be driven to rotate by the motor 12 to adjust the processing position of the planetary carrier; Since the planet carrier is suspended in the air by the bracket 16, and the adjusting rod 17 is staggered with the planet gear installation opening, the boring tool can be used to drill a hole directly from the upper wall of the planet carrier, and then the lower wall can be directly processed through the hole of the upper wall without turning the wall surface; Before processing, according to the size of the planetary carrier to be processed for a long time, adjust the adjusting rod 17 on the bracket 16 and adjust the cooling assembly 2; adjust the height of the cooling water pipe 27 through the second hydraulic cylinder 22, which can be relatively suitable for the upper wall boring or lower wall boring processing of the planetary carrier; adjust the front and rear positions of the cooling water pipe 27 by moving the adjusting slide 24 in the adjusting slide 23, so that it can be sufficiently close to the drilling site, and connect the cooling water supply for spray cooling. It can be provided with a solenoid valve to control the corresponding cooling water pipe 27 to spray water when processing the corresponding site; the sliding of the adjusting slide 24 is fixed in the adjusting slide 23 by the first fixing bolt 25, and the cooling water pipe 27 can also be adjusted on the adjusting slide 24 by the second fixing bolt 26 to adjust the spray position.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A planet carrier boring processing device, characterized in that: The invention comprises a bearing structure (1), three cooling components (2) and three limiting structures (3); the three cooling components (2) are respectively arranged on the bearing structure (1) at equal distances, and the three limiting structures (3) are respectively fixedly arranged on the cooling components (2); the bearing structure (1) can support the planet carrier and rotate and adjust the position; the cooling components (2) can cool the planet carrier during the boring process; and the limiting structures (3) can fix the planet carrier in multiple ways; The bearing structure (1) comprises a base (11), a motor (12), a rotating platform (13), three electric slide rails (14), a first hydraulic cylinder (15), a bracket (16), three adjustment rods (17) and three adjustment bolts (18); The motor (12) is fixedly arranged in the top of the base (11); the bottom of the rotating platform (13) is fixedly arranged on the driving end of the motor (12), and the bottom of the rotating platform (13) is matched with the top of the base (11); the three electric slide rails (14) are equidistantly arranged on the upper wall of the rotating platform (13); the first hydraulic cylinder (15) is fixedly arranged in the middle of the rotating platform (13), and the telescopic end of the first hydraulic cylinder (15) can movably penetrate the upper wall of the rotating platform (13); the side wall of the bracket (16) is equidistantly arranged with three arm seats; the bracket (16) is fixedly arranged on the telescopic end of the first hydraulic cylinder (15) and is located above the middle of the rotating platform (13); the middle of the side wall of the arm seat is provided with a positioning groove; the three adjusting rods (17) are movably embedded in the arm seats; the three adjusting bolts (18) are movably penetrated through the positioning groove of the bracket (16) and are screwed into the side wall of the adjusting rod (17).

2. A planet carrier boring processing device according to claim 1, characterized in that: The cooling assembly (2) comprises a bracket (21), a second hydraulic cylinder (22), an adjusting slideway (23), an adjusting slide seat (24), a first fixing bolt (25), a second fixing bolt (26), and a cooling water pipe (27); The bracket (21) is a T-shaped structure and has upper and lower ends and a front end. The lower end of the bracket (21) is fixedly arranged on the electric slide rail (14) and can be moved forward and backward through the electric slide rail (14). The second hydraulic cylinder (22) is fixedly arranged in the middle of the upper wall of the front end of the bracket (21). The adjustment slideway (23) is fixedly arranged on the telescopic end of the second hydraulic cylinder (22). One end of the adjustment slide seat (24) is movably inserted into the adjustment slideway (23). 4) The other end is a circular ring structure, the first fixing bolt (25) is movably screwed on one end of the adjusting slide (24) and can fit on the adjusting slide (23), the second fixing bolt (26) is movably screwed on the side wall of the other end of the adjusting slide (24), one end of the cooling water pipe (27) is movably passed through the other end of the adjusting slide (24), and the cooling water pipe (27) is fixed by the second fixing bolt (26), and the cooling water pipe (27) is connected to the cooling water pipe (27) line.

3. A planet carrier boring processing device according to claim 2, characterized in that: The limiting structure (3) comprises a limiting seat (31), a plurality of bearings (32), a pair of gears (33), a pair of expansion arms (34), a third hydraulic cylinder (35) and a gear rod (36); One end of the limit seat (31) is fixedly arranged on the upper end of the bracket (21) and is located above the bracket and below the cooling water pipe (27). A plurality of bearings (32) are symmetrically embedded in the upper and lower side walls of the other end of the limit seat (31). The middle parts of a pair of gears (33) are fixedly arranged on the axle (37). The pair of gears (33) are movably embedded in the other end of the limit seat (31). The axles (37) on the gears (33) are fixedly passed through the bearings (32). One end of the pair of expansion arms (34) is symmetrically mounted on the axle (37). The gear (33) is on the axle (37) and is located above the other end of the limit seat (31). One end of the third hydraulic cylinder (35) is fixedly passed through the middle of the side wall of one end of the limit seat (31), and the telescopic end of the third hydraulic cylinder (35) is located in the limit seat (31). The left and right side walls of the gear rod (36) are evenly spaced with a plurality of teeth. One end of the gear rod (36) is fixedly connected to the telescopic end of the third hydraulic cylinder (35), and the other end of the gear rod (36) passes through the gears (33). The gear rods (36) are respectively engaged with the gears (33).

4. A planet carrier boring processing device according to claim 3, characterized in that: The limiting seat (31) is a convex structure, and a mounting cavity is provided through the middle thereof; one end of the limiting seat (31) is higher than the other end.

5. The planet carrier boring processing device according to claim 4, characterized in that: The expansion arm (34) can be flipped in the opposite direction via a gear (33).

6. A planet carrier boring processing device according to claim 5, characterized in that: The expansion arm (34) can be inserted into the planetary gear installation opening of the planetary frame side wall.

7. A planet carrier boring processing device according to claim 6, characterized in that: The cooling water pipe (27) can be cast corresponding to the planet carrier.

8. The planet carrier boring processing device according to claim 7, characterized in that: The first hydraulic cylinder (15) is extended and driven to drive the planetary carrier on the bracket (16) to rise, causing the expansion arm (34) to press down on the lower wall of the planetary gear installation opening and cooperate with the bracket (16) to clamp and fix the planetary gear.

Citation Information

Patent Citations

  • Gear grinding device and gear grinding method for planetary gear assembly

    CN115958254A

  • Inner hole boring device for shaft sleeve machining

    CN212822815U

  • Cutting device for machining inclined plane of casting

    CN215880173U

  • Planet carrier boring fixing tool

    CN218225565U

  • Tubular-bus auxiliary welding device

    WO2024125050A1

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