A shaft part dismounting device
By designing a shaft disassembly device that combines a sleeve and a telescopic part, the problem of insufficient adaptability of traditional disassembly tools is solved, enabling efficient and stable disassembly of shaft parts of different sizes and shapes.
Patent Information
- Application Number
- CN202423240129.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In the existing technology, the disassembly of shaft parts relies on manual operation, which leads to unstable operation and low efficiency. In addition, traditional tools lack adaptability and are difficult to adapt to shaft parts of different sizes and shapes.
A disassembly device is designed, comprising a sleeve, a first telescopic part, and a second telescopic part. The sleeve has a hollow cylindrical body and a slotted structure. The second telescopic part drives multiple hook ends to move towards the central axis of the sleeve to achieve clamping. The telescopic rod of the first telescopic part is used for quick disassembly and is suitable for shaft parts of different sizes and shapes.
It improves the automation and adaptability of disassembly, enables precise disassembly of shaft parts, and enhances work efficiency and stability.
Smart Images

Figure CN223573076U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of dismounting tool, more specifically to a shaft part dismounting device. BACKGROUND
[0002] In the field of industrial manufacturing and maintenance, the dismounting of shaft parts is a common and critical step. Currently, the dismounting of many shaft parts still relies on manual operation, such as using traditional tools like hammers and wrenches for knocking or rotating. However, this manual dismounting method has the following problems:
[0003] (1) During the manual dismounting process, the operator needs to repeatedly adjust the posture and force to cope with shaft parts of different sizes and shapes. At the same time, due to factors such as the skill level and physical condition of the operator, it is difficult to ensure the stability and consistency of each dismounting. This not only increases the physical exertion of the operator, but also may lead to errors, part damage, incomplete dismounting, or the need for re-dismounting during the dismounting process, increasing production costs and time costs.
[0004] (2) Traditional shaft part dismounting tools are often designed single, lacking adaptability to shaft parts of different sizes, shapes, and materials. This leads to frequent tool changes or dismounting strategy adjustments by the operator during actual operation, increasing dismounting time and reducing work efficiency.
[0005] Therefore, how to provide a dismounting device with high automation, improve work efficiency, and be flexible to adapt to shaft parts of different sizes and shapes is a problem that needs to be solved by those skilled in the art. SUMMARY
[0006] Therefore, the utility model provides a shaft part dismounting device, aiming to solve the above technical problems.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A shaft part dismounting device, comprising:
[0009] A sleeve, which is a hollow cylinder structure with one open end and the other closed end, and a plurality of slot holes are arranged on the outer side wall of the sleeve;
[0010] A first telescopic part, the telescopic rod of the first telescopic part is fixedly connected with the closed end of the sleeve;
[0011] A second telescopic part is installed at the fixed end of the first telescopic part, and the telescopic end of the second telescopic part is away from the sleeve direction; a plurality of loop cloth pull claws are hinged to the outer side of the fixed end of the first telescopic part, and the end of each pull claw away from the second telescopic part is an arc-shaped rod curved to the center axis direction of the sleeve, the hook end of the end of the arc-shaped rod corresponds to the slot hole, and under the driving of the second telescopic part, the plurality of hook ends simultaneously move close to or away from the center axis direction of the sleeve.
[0012] Through the above technical scheme, the utility model provides a kind of shaft parts dismounting device, the hollow cylinder structure of sleeve and the slot hole of multiple interval arrangement design, so that the device structure is compact, small in size, convenient to carry and operate;Multiple hook ends are simultaneously moved close to the center axis direction of the sleeve by the second telescopic part, realize the clamping / release of shaft parts, realize the quick dismounting of shaft parts by the telescopic rod of the first telescopic part to the sleeve direction, the structure of sleeve can be suitable for different size and shape of shaft parts, improve adaptability, realize the accurate dismounting of shaft parts by the cooperation of the first telescopic part and the second telescopic part, high degree of automation, improve work efficiency.
[0013] Preferably, in the above-mentioned shaft parts dismounting device, the second telescopic part includes a positioning sleeve, a gas cylinder, a force ring and a connecting rod; the positioning sleeve is coaxially fixed outside the first telescopic part housing, the fixed end of the gas cylinder is fixed on the outer side wall of the positioning sleeve, and the telescopic end thereof is arranged away from the sleeve direction, the force ring is slidably sleeved outside the first telescopic part, and one side end face thereof is fixedly connected with the telescopic end of the gas cylinder, a plurality of interval arranged double-plate connecting ears are fixed on the circumferential surface of the force ring, one end of each pull claw away from the hook end is hinged with the corresponding double-plate connecting ear through a first pin shaft, one end of the connecting rod is hinged with the pull claw, and the other end is hinged with the positioning sleeve. This structure makes the opening and closing of the pull claw more stable and reliable, and improves the grabbing capacity of the device.
[0014] Preferably, in the above-mentioned shaft parts dismounting device, a plurality of interval arranged single-plate connecting ears are fixed on the outer side wall of the positioning sleeve, the number of connecting rods is multiple groups, the number of connecting rods in each group is two, and both ends of each connecting rod are hinged with the single-plate connecting ear and the pull claw through a second pin shaft. Further enhance the stability and reliability of the pull claw. At the same time, this design also makes the movement of the pull claw more smooth and coordinated.
[0015] Preferably, in the shaft part dismounting device, the outer side wall of the positioning sleeve is provided with a positioning mounting surface between two adjacent single-piece connecting ears, and the air cylinder is mounted on the positioning mounting surface. The positioning mounting surface is arranged on the outer side wall of the positioning sleeve to mount the air cylinder, which makes the mounting of the air cylinder more stable and facilitates the maintenance and replacement of the air cylinder.
[0016] Preferably, in the shaft part dismounting device, the number of the positioning mounting surfaces, the air cylinders, the pull claws, the slot holes and the connecting rods is three per group.
[0017] Preferably, in the shaft part dismounting device, a positioning disc is fixed to the end face of the sleeve close to one end of the first telescopic part, and the positioning disc is fixedly connected with the telescopic rod of the first telescopic part. The connection strength between the sleeve and the first telescopic part is enhanced, and the stability and durability of the device are improved.
[0018] Preferably, in the shaft part dismounting device, an installation plate is fixed to the outer side wall of the sleeve between two adjacent slot holes, and a conversion piece is fixed to the upper surface of the installation plate by bolts. The device can be conveniently connected and integrated with other equipment (such as a mechanical arm), and the flexibility and expandability of the device are improved.
[0019] Preferably, in the shaft part dismounting device, the conversion piece is connected with the working end of the mechanical arm through a conversion disc. The automation and remote control of the device are realized, and the efficiency and safety of the dismounting process are improved.
[0020] Preferably, in the shaft part dismounting device, the hook end is a hook-shaped structure bent towards the second telescopic part. The gripping capacity of the device is improved.
[0021] Preferably, in the shaft part dismounting device, the first telescopic part is a hydraulic cylinder.
[0022] According to the above technical solution, compared with the prior art, the shaft part dismounting device has the following beneficial effects:
[0023] The hollow cylinder structure of the sleeve and the multiple spaced slot holes make the device compact in structure and small in size, facilitating carrying and operation. The multiple hook ends are driven by the second telescopic part to move towards the center axis of the sleeve simultaneously, realizing clamping of the shaft part. The telescopic rod of the first telescopic part is pushed out towards the sleeve, realizing rapid dismounting of the shaft part. The structure of the sleeve can be applied to shaft parts of different sizes and shapes, improving the adaptability. The cooperation of the first telescopic part and the second telescopic part realizes precise dismounting of the shaft part, which is highly automated and improves the work efficiency. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0025] Figure 1 The attached figure is a structural schematic diagram of the shaft-type parts disassembly device provided by this utility model;
[0026] Figure 2 The attached figure is a structural schematic diagram of the second telescopic part and the pull claw provided by this utility model;
[0027] Figure 3 The attached figure is a structural schematic diagram of the positioning sleeve provided by this utility model;
[0028] Figure 4 The attached figure is a schematic diagram of the force-bearing ring provided by this utility model;
[0029] Figure 5 The attached figure is a structural schematic diagram of the sleeve and the first telescopic part provided by this utility model;
[0030] Figure 6 The attached figure is a structural schematic diagram of the shaft-type parts provided by this utility model;
[0031] Figure 7 The attached figure is a structural schematic diagram of the shaft part disassembly device provided by this utility model and the shaft part in a mating state.
[0032] in:
[0033] 1-1-Sleeve;
[0034] 11-Slot; 12-Positioning plate; 13-Mounting plate; 14-Converter.
[0035] 2-2-First telescopic part;
[0036] 21-Telescopic pole;
[0037] 3-3-Second telescopic section;
[0038] 31-Positioning sleeve; 311-Single-piece connecting ear; 312-Positioning mounting surface; 32-Cylinder; 33-Force ring; 331-Double-piece connecting ear; 34-Connecting rod; 35-First pin;
[0039] 4-4-Pull claw;
[0040] 41 - arc-shaped lever; 411 - hook end;
[0041] 5 - 5 - shaft parts;
[0042] 6 - 6 - force disc. DETAILED DESCRIPTION
[0043] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0044] Referring to the drawings Figure 1 to the drawings Figure 7 The utility model discloses a kind of shaft parts dismounting device, comprising:
[0045] Sleeve 1 is hollow cylinder structure with one end opening, the other end is closed, and multiple slot holes 11 are arranged on the outer side wall thereof at intervals;
[0046] First telescopic part 2, the telescopic rod 21 of first telescopic part 2 is fixedly connected with the closed end of sleeve 1;
[0047] Second telescopic part 3, second telescopic part 3 is installed in the fixed end of first telescopic part 2, and the telescopic end of second telescopic part 3 is away from the direction of sleeve 1;Multiple ring-laid pull claws 4 are hinged on the outer side of the fixed part of the fixed end of first telescopic part 2 of second telescopic part 3, one end of each pull claw 4 away from second telescopic part 3 is arc-shaped lever 41 curved to the direction of the central axis of sleeve 1, the hook end 411 of the end of arc-shaped lever 41 corresponds with slot hole 11, and under the driving of second telescopic part 3, multiple hook ends 411 simultaneously move close to or separate from the central axis direction of sleeve 1.
[0048] In order to further optimize the above technical solutions, second telescopic part 3 includes positioning sleeve 31, cylinder 32, force ring 33 and connecting rod 34;Positioning sleeve 31 is coaxially fixed on the outer side of the shell of first telescopic part 2, the fixed end of cylinder 32 is fixed on the outer side wall of positioning sleeve 31, and the telescopic end thereof is arranged away from the direction of sleeve 1, force ring 33 is slidably sleeved on the outer side of first telescopic part 2, and the telescopic end of cylinder 32 is fixedly connected with the one side end face of force ring 33, multiple double-leaf connecting ears 331 are fixed on the circumferential surface of force ring 33 at intervals, one end of each pull claw 4 away from hook end 411 is hinged with corresponding double-leaf connecting ear 331 through first pin shaft 35, one end of connecting rod 34 is hinged with pull claw 4, and the other end is hinged with positioning sleeve 31.
[0049] In order to further optimize the above technical scheme, a plurality of single-piece connecting ears 311 are arranged on the outer side wall of the positioning sleeve 31, the number of the connecting rods 34 is multiple groups, the number of the connecting rods 34 in each group is two, and the two ends of each connecting rod 34 are hinged with the single-piece connecting ear 311 and the pawl 4 through the second pin shaft 36.
[0050] In order to further optimize the above technical scheme, the positioning installation surface 312 is arranged on the outer side wall of the positioning sleeve 31 and between the adjacent two single-piece connecting ears 311, and the cylinder 32 is installed on the positioning installation surface 312.
[0051] In order to further optimize the above technical scheme, the number of the positioning installation surface 312, the cylinder, the pawl 4, the slot hole 11 and the connecting rod 34 is three per group.
[0052] In order to further optimize the above technical scheme, the positioning disc 12 is fixed on the end face of the sleeve 1 close to one end of the first telescopic part 2, and the positioning disc 12 is fixedly connected with the telescopic rod 21 of the first telescopic part 2.
[0053] In order to further optimize the above technical scheme, the installation plate 13 is fixed on the outer side wall of the sleeve 1 and between the adjacent two slot holes 11, and the upper surface of the installation plate 13 is fixed with the conversion piece 14 through bolts.
[0054] In order to further optimize the above technical scheme, the conversion piece 14 is connected with the working end of the mechanical arm through the conversion disc.
[0055] In order to further optimize the above technical scheme, the hook end 411 is a hook-shaped structure curved towards the second telescopic part.
[0056] In order to further optimize the above technical scheme, the first telescopic part 2 is a hydraulic cylinder.
[0057] The embodiment of the utility model provides:
[0058] In use, the sleeve 1 is sleeved on the outer side of the stress disc 6, the telescopic end of the second telescopic part 3 is stretched out, the hook ends 411 of the plurality of pawls 4 are simultaneously clamped to the stress disc 6, the telescopic rod 21 of the first telescopic part 2 is pushed out to the sleeve 1 direction, and the shaft part 5 is pulled out.
[0059] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related parts can be referred to the method part.
[0060] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A shaft member dismounting device, characterized by comprising: include: Sleeve (1), the sleeve (1) is a hollow cylindrical structure with one end open and the other end closed, and a plurality of spaced slots (11) are provided on its outer side wall. The first telescopic part (2) has a telescopic rod (21) that is fixedly connected to the closed end of the sleeve (1); The second telescopic part (3) is installed on the fixed end of the first telescopic part (2). The telescopic end of the second telescopic part (3) is away from the sleeve (1). The second telescopic part (3) is hinged to the outside of the fixed part of the first telescopic part (2) with multiple ring-shaped pull claws (4). The end of each pull claw (4) away from the second telescopic part (3) is an arc-shaped rod (41) that bends toward the central axis of the sleeve (1). The hook end (411) at the end of the arc-shaped rod (41) corresponds to the slot (11). Under the drive of the second telescopic part (3), multiple hook ends (411) move toward or away from the central axis of the sleeve (1) at the same time.
2. The shaft part dismounting device according to claim 1, characterized in that The second telescopic part (3) includes a positioning sleeve (31), a cylinder (32), a force ring (33), and a connecting rod (34). The positioning sleeve (31) is coaxially fixed on the outside of the housing of the first telescopic part (2). The fixed end of the cylinder (32) is fixed on the outer wall of the positioning sleeve (31), and its telescopic end is arranged away from the sleeve (1). The force ring (33) is slidably sleeved on the outside of the first telescopic part (2), and one end face of the ring is fixedly connected to the telescopic end of the cylinder (32). Multiple double-piece connecting ears (331) are fixed on the circumferential surface of the force ring (33). One end of each pull claw (4) away from the hook end (411) is hinged to the corresponding double-piece connecting ear (331) through a first pin (35). One end of the connecting rod (34) is hinged to the pull claw (4), and the other end is hinged to the positioning sleeve (31).
3. The shaft part dismounting device according to claim 2, characterized in that The outer wall of the positioning sleeve (31) is fixed with a plurality of spaced single-piece connecting ears (311). The number of connecting rods (34) is in multiple groups, and the number of connecting rods (34) in each group is two. Both ends of each connecting rod (34) are hinged to the single-piece connecting ear (311) and the pull claw (4) through the second pin (36).
4. The shaft part dismounting device according to claim 3, characterized in that The outer wall of the positioning sleeve (31) and located between two adjacent single connecting ears (311) has a positioning mounting surface (312), and the cylinder (32) is mounted on the positioning mounting surface (312).
5. The shaft-like part dismounting device according to claim 4, characterized in that The number of the positioning mounting surface (312), the cylinder, the pull claw (4), the slot (11) and the connecting rod (34) are all 3 per group.
6. The shaft-like part dismounting device according to claim 1, characterized in that A positioning plate (12) is fixed on the end face of the sleeve (1) near the first telescopic part (2), and the positioning plate (12) is fixedly connected to the telescopic rod (21) of the first telescopic part (2).
7. The shaft-like part dismounting device according to claim 1, characterized in that The mounting plate (13) is fixed on the outer side wall of the sleeve (1) between two adjacent slots (11), and the upper surface of the mounting plate (13) is fixed with a conversion piece (14) through bolts.
8. The shaft-like part dismounting device according to claim 7, characterized in that The conversion piece (14) is connected with the working end of the mechanical arm through a conversion disc.
9. The shaft-like part dismounting device according to claim 1, characterized in that The hook end (411) is a hook-shaped structure bent towards the second telescopic part.
10. The shaft-like part dismounting device according to claim 1, characterized in that The first telescopic part (2) is a hydraulic cylinder.