Cycloid hydraulic motor for olecranon scissors
By designing a cycloidal hydraulic motor for the eagle beak shears, the problems of inconvenient rotation and low maintenance efficiency have been solved. Angle adjustment and improved sealing have been achieved, simplifying the maintenance process and increasing the efficiency and lifespan of the equipment.
Patent Information
- Application Number
- CN202520574985.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing hawk-beak shear motors are not easy to rotate, have limited application range, and have low maintenance efficiency.
A cycloidal hydraulic motor for eagle beak shears was designed. The angle rotation adjustment is achieved by combining components such as the output shaft, deep groove ball bearing, front spacer and adjusting ring. Furthermore, the entire motor does not need to be disassembled when the seal needs to be replaced, simplifying the maintenance process.
It improves equipment efficiency, reduces maintenance costs, ensures rotational accuracy and sealing, and extends the service life of machinery.
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Figure CN223814128U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor technical field especially relates to a cycloidal hydraulic motor for hawk beak shears. BACKGROUND
[0002] With the acceleration of urbanization, the demand of old building demolition is increasing, scrap steel processing, traffic tool disassembly, steel shearing and other fields, the efficient shearing tool in vehicle disassembly, fire rescue and rescue operation, double cylinder shears and hawk beak shears are particularly widely used, in the actual application process, the use angle of scissors is not the same, if the rotating device is not in the mechanism, the use range of the tool will be greatly restricted and limited, and the existing motor needs to be removed during maintenance operation, and the maintenance efficiency is low. UTILIT Y MODEL CONTENT
[0003] The utility model aims at solving one of the technical problems in the related art at least to some extent.
[0004] Therefore, the utility model provides a cycloidal hydraulic motor for hawk beak shears, which can solve the problems of inconvenient rotation and poor maintenance efficiency of the existing hawk beak shear motor.
[0005] To achieve the above object, the utility model provides a cycloidal hydraulic motor for hawk beak shears, which comprises an output shaft, a front partition body is installed on the output shaft, the output shaft and the front partition body are connected through a deep groove ball bearing, a front partition plate is detachably connected to one end of the front partition body, an axle sleeve for supporting the output shaft is installed on the inner wall of the front partition body, a locking nut for limiting the axle sleeve is installed on the inner wall of the front partition plate, an installation groove is formed in the outer wall of the front partition body, right and left arc plates are clamped and connected in the inner wall of the installation groove, an adjusting ring is slidably connected to the outer wall of the front partition body, the inner wall of the adjusting ring is matched with the outer walls of the right and left arc plates, a support groove is formed in the inner walls of the installation groove and the adjusting ring and is connected with the support groove, and a half-circle pad is clamped and connected in the inner wall of the support groove.
[0006] The cycloidal hydraulic motor for hawk beak shears of the utility model can directly connect the hawk beak shears through the output shaft, cooperate with the deep groove ball bearing, the front partition plate and the axle sleeve and other components to adjust the angle rotation problem in the working process, the adjusting ring can slide axially along the front partition body, when the sealing elements such as the right and left arc plates and the half-circle pad need to be replaced, the entire motor does not need to be disassembled, the maintenance time is greatly shortened, the maintenance cost is reduced and the use efficiency of the equipment is improved.
[0007] In addition, the cycloidal hydraulic motor for hawk beak shears according to the utility model can have the following additional technical features:
[0008] Specifically, the front partition body inner wall is provided with outer elastic retaining rings and inner elastic retaining rings for supporting both sides of the deep groove ball bearing.
[0009] Specifically, the adjusting ring outer wall is threadedly connected with four adjusting rods, and the right arc-shaped plate and the left arc-shaped plate are both provided with two butt grooves.
[0010] Specifically, the front partition body outer wall is provided with a positioning ring, one end of the positioning ring is provided with a connecting ring, the connecting ring is provided with a clamping hole, and one end of the adjusting ring is fixedly connected with a clamping rod matched with the clamping hole.
[0011] Specifically, the half-ring pads are connected with each other in a clamping manner.
[0012] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0013] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
[0014] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0015] Figure 2 It is a schematic diagram of the overall structure of the present application;
[0016] Figure 3 It is a schematic diagram of the overall structure of the present application;
[0017] Figure 4 It is a schematic diagram of the overall structure of the present application; Figure 1 It is a schematic diagram of the overall structure of the present application;
[0018] As shown in the figure:
[0019] 1, output shaft; 11, front partition body; 12, deep groove ball bearing; 121, outer elastic retaining ring; 122, inner elastic retaining ring; 13, front partition plate; 14, shaft sleeve; 15, locking nut; 2, adjusting ring; 21, adjusting rod; 22, clamping rod; 23, positioning ring; 24, connecting ring; 25, clamping hole; 3, mounting groove; 31, right arc-shaped plate; 32, left arc-shaped plate; 33, butt groove; 34, support groove; 35, half-ring pad. DETAILED DESCRIPTION
[0020] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.
[0021] The application discloses a cycloid hydraulic motor for a hawk beak shear.
[0022] As Figures 1-4 shown, the cycloid hydraulic motor for a hawk beak shear can include an output shaft 1, a front partition body 11 mounted on the output shaft 1, the output shaft 1 and the front partition body 11 connected through a deep groove ball bearing 12, the front partition body 11 having a front partition plate 13 detachably connected at one end, the front partition body 11 having an inner wall on which an axle sleeve 14 for supporting the output shaft 1 is mounted, and the front partition plate 13 having an inner wall on which a locking nut 15 for limiting the axle sleeve 14 is mounted.
[0023] The outer wall of the front partition body 11 is provided with a mounting groove 3, the inner wall of the mounting groove 3 is clamped and connected with a right arc-shaped plate 31 and a left arc-shaped plate 32, and the outer wall of the front partition body 11 is slidingly connected with an adjusting ring 2, and the inner wall of the adjusting ring 2 is matched with the outer walls of the right arc-shaped plate 31 and the left arc-shaped plate 32.
[0024] It should be noted that the above description is only a preferred embodiment of the application.
[0025] The inner wall of the mounting groove 3 and the inner wall of the adjusting ring 2 are provided with a support groove 34 in communication, and the inner wall of the support groove 34 is clamped and connected with a half-circle pad 35.
[0026] It should be noted that the above description is only a preferred embodiment of the application.
[0027] Specifically, the output shaft 1 mainly undertakes the core role in the hydraulic rotary motor, as the core component of mechanical transmission, converts the torque generated by the hydraulic motor into rotary mechanical energy, through the large gear on the shaft end and the external gear ring meshing, drives the eagle beak shear and other executing mechanisms to complete the angle adjustment or shearing action, through the deep groove ball bearing 12 at both ends cooperating with the front shell, the deep groove ball bearing 12 undertakes the radial load, and can also assist to bear a certain axial load, the deep groove ball bearing 12 replaces sliding friction with rolling friction, reduces the friction loss between the shaft and the supporting component, makes the shaft rotate more smoothly, improves the mechanical transmission efficiency, ensures that the shaft maintains a stable position during rotation, such as supporting the shaft body in the rotary motor, maintaining the operation accuracy, supporting the entire rotating shaft system such as gears, sealing assemblies and the like, ensuring the stability and operation accuracy of the shaft during high-speed rotation, while reducing component wear and tear, prolonging the service life of the machine, through the locking nut 15 structure of the shaft sleeve 14, resisting the axial thrust of the high-pressure oil in the front partition body 11, preventing the overall displacement of the output shaft 1, ensuring the safety of the mechanical structure, the front partition body 11 is installed outside the output shaft 1, which is the basic supporting structure of the rotary motor, provides installation space for internal shaft sleeve 14 and other parts, constructs the overall mechanical frame, and at the same time protects the internal hydraulic elements and transmission components from external impurities, ensures the stability of the operating environment, the front partition plate 13 undertakes the space separation function, assists to enhance the sealing effect, prevents hydraulic oil leakage, the installation groove 3 opened on the outer wall of the front partition body 11 is used for installing the right arc plate 31 and the left arc plate 32, so that the right arc plate 31 and the left arc plate 32 can be connected with the front partition body 11 and the front partition plate 13 at the position, at this time, the right arc plate 31 and the left arc plate 32 can be sealed at the position through the two component connecting portions and the cavity, the support groove 34 opened in the inner wall of the right arc plate 31 and the left arc plate 32 can install the half circle pad 35, at this time, the half circle pad 35 fills the gap between the components by relying on its elastic deformation, preventing hydraulic oil, gas and other media from leaking. In the hydraulic system, the pressure of the pipeline and the cavity is stable, the power output of the equipment is maintained, and external dust and impurities are prevented from entering the internal equipment, avoiding particle wear of precision components such as bearings and gears, prolonging the service life of the machine, and ensuring the operation reliability, the deep groove ball bearing 12 slidingly connected to the outer wall of the front partition body 11 can be installed and clamped in the installation groove 3 when the right arc plate 31 and the left arc plate 32 are installed, and the half circle pad 35 is supported and fixed at the position, so that the right arc plate 31 and the left arc plate 32 cannot be separated from the installation groove 3, the installation groove 3 is stably installed at the position, the sealing property of the device is ensured, the half circle pad 35 can be separated from the support groove 34, so that the half circle pad 35 can be easily replaced after being subjected to a large pressure for a long time, and when the half circle pad 35 is replaced, the front partition body 11 and the front partition plate 13 are prevented from being separated, so that the half circle pad 35 can be easily replaced and processed, ensuring that the device can be used stably for a long time.
[0028] In one embodiment of the present application, as Figures 1-4As shown, the inner wall of the front partition body 11 is provided with an outer elastic retainer 121 and an inner elastic retainer 122 for supporting both sides of the deep groove ball bearing 12.
[0029] It should be noted that the outer elastic retainer 121 and the inner elastic retainer 122 described in this embodiment are respectively located on both sides of the deep groove ball bearing 12.
[0030] Specifically, the outer elastic retainer 121 is installed in the annular groove in the hole and clamps the shoulder of the deep groove ball bearing 12 to prevent it from moving axially in the hole direction, and the inner elastic retainer 122 is installed in the annular groove on the shaft and clamps the shoulder of the deep groove ball bearing 12 to limit its axial movement in the direction away from the shaft. The pre-tightening force is provided by elastic deformation, which can withstand the oil thrust in the hydraulic system and ensure the stability of the moving parts under dynamic working conditions.
[0031] In an embodiment of the present application, as shown in Figures 1-4 The outer wall of the adjusting ring 2 is threadedly connected with four adjusting rods 21, and the outer wall of the right arc-shaped plate 31 and the left arc-shaped plate 32 is provided with two butt joints 33.
[0032] It should be noted that the adjusting rod 21 described in this embodiment is matched with the butt joint 33.
[0033] Specifically, after the adjusting ring 2 is slid to the position of the right arc-shaped plate 31 and the left arc-shaped plate 32, the adjusting rod 21 can be rotated to adjust the position of one end thereof, so that it can be clamped in the right arc-shaped plate 31 and the left arc-shaped plate 32, ensuring that the adjusting ring 2 can be outside the right arc-shaped plate 31 and the left arc-shaped plate 32 while providing pressure to the mounting groove 3 and the right arc-shaped plate 31, ensuring that they are tightly fitted, so that the half-ring gaskets 35 can be connected to ensure sealing.
[0034] In an embodiment of the present application, as shown in Figures 1-4 The outer wall of the front partition body 11 is provided with a positioning ring 23, one end of the positioning ring 23 is provided with a connecting ring 24, the connecting ring 24 is provided with a clamping hole 25, and one end of the adjusting ring 2 is fixedly connected with a clamping rod 22 matched with the clamping hole 25.
[0035] It should be noted that the connecting ring 24 and the clamping hole 25 described in this embodiment are slidingly connected.
[0036] Specifically, the positioning ring 23 is used for installing the connecting ring 24, so that when the adjusting ring 2 slides, the connecting ring 24 and the clamping hole 25 can be connected and butt-jointed, and after the adjusting ring 2 slides to the outside of the right arc-shaped plate 31 and the left arc-shaped plate 32, the adjusting rod 21 can be ensured to be corresponded, so that the adjusting rod 21 can support and fix the butt joint 33.
[0037] In an embodiment of the present application, as shown in Figures 1-4As shown, the half-circle pads 35 are connected to each other in a clamping manner.
[0038] It should be noted that the half-circle pads 35 described in the embodiment are mounted and fixed in the support grooves 34.
[0039] Specifically, after the support grooves 34 provided on the right arc-shaped plate 31 and the left arc-shaped plate 32 are mounted with the respective half-circle pads 35, the right arc-shaped plate 31 and the left arc-shaped plate 32 are abutted, and due to the matching of the support grooves 34 and the half-circle pads 35, the half-circle pads 35 can be connected and sealed.
[0040] In summary, the cycloidal hydraulic motor for the hawk beak shear in the embodiment of the utility model, the output shaft 1 is matched with the front partition body 11 through the deep groove ball bearing 12, bears the radial load and part of the axial force, ensures the rotation accuracy, the shaft sleeve 14 and the locking nut 15 resist the oil axial thrust, prevent the shafting from moving, the outer elastic retainer 121 and the inner elastic retainer 122 on both sides of the bearing provide additional axial support for the bearing, reduce vibration and wear, the right arc-shaped plate 31 and the left arc-shaped plate 32 combined sealing ring between the front partition body 11 and the front partition plate 13 realize dynamic sealing, the adjusting ring 2 is pressed tightly by four adjusting rods 21, ensures the contact stress, prevents oil leakage, the half-circle pad 35 is filled in the support groove 34, forms secondary sealing barrier, further improves the sealing property under high pressure environment, when the electromagnetic reversing valve cuts off the oil circuit, the oil is enclosed in the working cavity, forms static locking, maintains the current angular position, prevents excessive rotation from causing mechanical damage, the adjusting ring 2 can slide axially along the front partition body 11, the right arc-shaped plate 31, the left arc-shaped plate 32 and the half-circle pad 35 can be replaced without disassembling the entire motor, the maintenance time is shortened.
[0041] In the description of the present specification, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0042] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0043] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and deformations to the above-described embodiments within the scope of the present application.
Claims
1. A cycloidal hydraulic motor for eagle-beak shears, comprising an output shaft (1), characterized in that, A front partition (11) is mounted on the output shaft (1). The output shaft (1) and the front partition (11) are connected by a deep groove ball bearing (12). A front partition plate (13) is detachably connected to one end of the front partition (11). A bushing (14) for supporting the output shaft (1) is installed on the inner wall of the front partition (11). A locking nut (15) for limiting the bushing (14) is installed on the inner wall of the front partition plate (13). The outer wall of the front partition (11) is provided with an installation groove (3), and the inner wall of the installation groove (3) is engaged with a right arc plate (31) and a left arc plate (32). The outer wall of the front partition (11) is slidably connected with an adjustment ring (2), and the inner wall of the adjustment ring (2) matches the outer walls of the right arc plate (31) and the left arc plate (32). The inner wall of the mounting groove (3) and the inner wall of the adjusting ring (2) are connected by a support groove (34), and a half-circle pad (35) is engaged with the inner wall of the support groove (34).
2. The cycloidal hydraulic motor for eagle-beak shears according to claim 1, characterized in that, The inner wall of the front partition (11) is equipped with an outer elastic retaining ring (121) and an inner elastic retaining ring (122) for supporting both sides of the deep groove ball bearing (12).
3. The cycloidal hydraulic motor for eagle-beak shears according to claim 1, characterized in that, The outer wall of the adjusting ring (2) is threaded with four adjusting rods (21), and the outer walls of the right arc plate (31) and the left arc plate (32) are each provided with two mating grooves (33).
4. The cycloidal hydraulic motor for eagle-beak shears according to claim 1, characterized in that, A positioning ring (23) is installed on the outer wall of the front partition (11). A connecting ring (24) is installed at one end of the positioning ring (23). A locking hole (25) is opened on the connecting ring (24). A locking rod (22) matching the locking hole (25) is fixedly connected to one end of the adjusting ring (2).
5. The cycloidal hydraulic motor for eagle-beak shears according to claim 1, characterized in that, The semicircular pads (35) are interlocked and connected to each other.