Adjustable damping base of speed reducer
By using a combination of springs and dampers in the speed reducer, and adjusting the spring length through locking and positioning mechanisms, the problem of non-adjustable damping effect is solved, achieving adjustable damping effect and rigidity, thus improving the speed reducer's operational stability and service life.
Patent Information
- Application Number
- CN202520330513.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The vibration damping effect of the existing speed reducer's damping base is not adjustable, which may lead to a decrease in system rigidity or cause resonance, affecting the service life and operational stability of the equipment.
The shock absorption assembly uses a combination of springs and dampers, and the effective length of the springs can be adjusted through locking and positioning mechanisms to achieve adjustable shock absorption and rigidity.
This achieves adjustable vibration damping, avoids resonance, and improves the operating stability and service life of the speed reducer.
Smart Images

Figure CN223908749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a speed reducer technical field especially, it relates to a speed reducer's adjustable shock absorbing base. BACKGROUND
[0002] Speed reducer is a kind of through gear, worm drive etc.
[0003] Speed reducer can produce vibration when running, vibration if not controlled, it can cause bolt loosening, wear parts aggravation etc.
[0004] However, as shown in the speed reducer with shock absorbing mounting base disclosed in application No.202322898028.9, the shock absorbing effect of the shock absorbing base in the current speed reducer is generally not adjustable, if the shock absorbing effect of the shock absorbing base is set too intense, it can cause the rigidity of the entire system to deteriorate, thereby to a certain extent, clamp the wear of speed reducer.
[0005] In addition, when the shock absorbing effect of the shock absorbing base is not adjustable, if its natural frequency matches the excitation frequency (such as gear meshing frequency) of the speed reducer operation, resonance can be caused.
[0006] In view of the above problems, the speed reducer base needs to be improved. UTILITY MODEL CONTENTS
[0007] In view of the deficiencies of the prior art, the utility model provides a speed reducer's adjustable shock absorbing base to solve the problems mentioned in the background art.
[0008] The utility model provides the following technical scheme: a speed reducer's adjustable shock absorbing base, including base, the base is connected with support seat through shock absorbing component, and the support seat is fixed with speed reducer, the shock absorbing component includes the spring that is connected between the base and the support seat, the base and the support seat are also connected through damper between them;
[0009] The base is also provided with a sliding plate, a lifting plate is slidably connected to the side surface of the sliding plate, a locking member is mounted on the side surface of the lifting plate, the locking member includes two arc-shaped locking plates, one of the locking plates is fixed to the lifting plate, and the other locking plate is hingedly connected to the lifting plate, one straight plate is mounted at the end of each of the two locking plates, and the two straight plates can be locked by a bolt and a nut to fix the spring in the locking member.
[0010] It also includes a locking mechanism for controlling the up-and-down position of the lifting plate.
[0011] Preferably, the spring and the damper are provided with four, and respectively in the four corners of the base and the support seat, the locking plate is also provided with four and four the spring is opposite.
[0012] Preferably, the upper side of the base is provided with a circular table, and the circular table is provided with a cylindrical groove; the side surface of the sliding plate is provided with a control plate inserted into the cylindrical groove, and the end of the control plate is a bevel;
[0013] The cylindrical groove is slidably connected with an inverted conical table, the curved surface in the conical table is attached to the bevel in the four control plates, the side surface of the control plate is provided with a spring plate, and the spring plate is connected to the wall surface of the cylindrical groove through a return spring; the positioning mechanism for controlling the position of the conical table is further included.
[0014] Preferably, the positioning mechanism includes a threaded shaft rotatably connected in the cylindrical groove and threadedly connected to the conical table; the circular table is further rotatably connected with a control rod extending transversely to the outside of the circular table; the control rod is connected to the threaded shaft through a bevel gear set; and the end of the control rod is provided with a knob.
[0015] Preferably, the locking mechanism includes a positioning bolt threadedly connected in the lifting plate and abutting against the side surface of the sliding plate.
[0016] Preferably, the damper includes a cylinder and a piston rod, the cylinder is ball-jointed to the base, and the piston rod is ball-jointed to the support seat.
[0017] Preferably, the springs are arranged obliquely, and the springs converge towards the direction of the circular table from bottom to top.
[0018] The utility model provides a kind of adjustable shock-absorbing base of speed reducer, with the following beneficial effects:
[0019] The utility model realizes shock-absorbing effect by spring and damper, and the effective length of spring in the utility model can be adjusted to adjust the shock-absorbing effect and rigidity of the utility model, and resonance is avoided.
[0020] The utility model locks spring by locking member, to adjust its effective length, and staff can adjust the position of four locking members by rotating knob, which is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the appearance schematic drawing of the utility model;
[0022] Figure 2 It is the appearance schematic drawing of the utility model after removing support seat and speed reducer;
[0023] Figure 3 is Figure 2 is an enlarged schematic view of A in FIG.
[0024] Figure 4 is a structural schematic view in the circular table in the utility model.
[0025] in the figure:
[0026] 11, base; 12, support seat; 13, speed reducer; 14, spring; 15, damper; 16, sliding plate; 17, lifting plate; 18, locking plate; 19, circular table; 20, control panel; 21, conical table; 22, threaded shaft; 23, control rod; 24, positioning bolt. DETAILED DESCRIPTION
[0027] The embodiments of the utility model will be described in detail below, examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.
[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.
[0029] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "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.
[0030] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] Reference Figures 1-4 , according to the utility model discloses a kind of adjustable shock-absorbing base of speed reducer, including base 11, the support seat 12 is connected to the base 11 by shock-absorbing component, and the speed reducer 13 is fixed on the support seat 12, the shock-absorbing component includes spring 14 connected between the base 11 and the support seat 12, the base 11 and the support seat 12 are also connected by damper 15, by this design, the spring 14 passes through elastic restoring force, the damper 15 dissipates energy, and jointly acts to reduce vibration transmission.
[0032] In addition, in order to further improve the damping effect, the spring 14 and the damper 15 are provided with four, and are respectively at the four corners of the base 11 and the support seat 12.
[0033] And in the second embodiment of the shock-absorbing component, in order to further improve the lateral damping effect, the spring 14 is arranged obliquely, and the spring 14 converges from bottom to top to the direction of the circular table 19.
[0034] In addition, too soft shock-absorbing design can cause the base support stiffness to drop, causing the speed reducer to displace or tilt, affecting the gear meshing accuracy or bearing load distribution, and in order to make the shock-absorbing effect and running stability of the adjustable shock-absorbing base of speed reducer adjustable, the base 11 is also provided with a sliding plate 16, the side of the sliding plate 16 is slidably connected with a lifting plate 17, the side of the lifting plate 17 is provided with a locking member, the locking member is also provided with four and faces four springs 14, the locking member includes two arc-shaped locking plates 18, one of the locking plates 18 is fixed to the lifting plate 17, and the other locking plate 18 is hinged to the lifting plate 17, the ends of the two locking plates 18 are respectively provided with a straight plate, and the two straight plates can be locked by bolts and nuts, so that the spring 14 is fixed in the locking member;
[0035] It also includes a locking mechanism for controlling the up-down position of the lifting plate 17, in the embodiment, the locking mechanism includes a positioning bolt 24 threaded in the lifting plate 17 and abutting the side of the sliding plate 16, after adjusting the up-down position of the lifting plate 17, the worker tightens the positioning bolt 24, so that the up-down position of the lifting plate 17 and the locking plate 18 is locked.
[0036] When the worker needs to increase the rigidity of the adjustable shock-absorbing base of the speed reducer, the worker needs to pull up the lifting plate 17 and lock the position of the lifting plate 17, and then the worker makes the two locking plates 18 locked by the bolt and nut, so that the spring 14 is clamped and locked by the locking plate 18, at this time the spring of the lower half of the locking plate 18 is invalid, so as to increase the rigidity.
[0037] In this embodiment, the slide plate 16 is fixed on the base 11, and when the worker needs to make the spring 14 not be locked, the worker only needs to pull away the locking plate 18 and remove each slide plate 16.
[0038] In order to make the four slide plates 16 move synchronously, in the third embodiment, the upper side of the base 11 is provided with a circular table 19, and the circular table 19 is provided with a cylindrical groove, the side surface of the slide plate 16 is provided with a control plate 20 inserted into the cylindrical groove, and the end of the control plate 20 is a bevel.
[0039] The cylindrical groove is slidably connected with an inverted conical table 21, the curved surface of the conical table 21 is attached to the bevel in the four control plates 20, the side surface of the control plate 20 is provided with a spring plate, and the spring plate is connected to the wall surface of the cylindrical groove through a return spring, and the positioning mechanism for controlling the up-down position of the conical table 21 is further included.
[0040] In this embodiment, the positioning mechanism includes a threaded shaft 22 rotatably connected in the cylindrical groove and threadedly connected to the conical table 21, the circular table 19 is further rotatably connected with a control rod 23 extending transversely to the outside of the circular table 19, the control rod 23 is connected to the threaded shaft 22 through a bevel gear set, and the end of the control rod 23 is provided with a knob.
[0041] The worker can control the rotation of the control rod 23 through the knob, and the control rod 23 rotates to drive the threaded shaft 22 to rotate through the bevel gear set, thereby controlling the lifting of the conical table 21, the conical table 21 is limited to not rotate, and when the conical table 21 descends, the control plate 20 is pushed outward, thereby adjusting the position of the lifting plate 17 and the locking plate 18, and when the conical table 21 rises, the control plate 20 is reset inward under the action of the spring, so that the locking plate 18 no longer contacts the spring 14.
[0042] The setting of the circular table 19 can also improve the integration of the equipment and reduce the assembly difficulty, the worker can make the locking plate 18 no longer abut against the spring 14 without disassembling the slide plate 16, and when assembling on site, the worker only needs to adjust the angle and fix the circular table 19.
[0043] In addition, the damper 15 comprises a cylinder and a piston rod, the cylinder is connected to the base 11, and the piston rod is connected to the support base 12, so as to avoid that the movement track of the piston rod in the damper 15 limits the damping effect of the adjustable damping base of the speed reducer.
[0044] In a fourth embodiment of the adjustable damping base of the speed reducer, the cylinder and the piston rod are further respectively hinged in the base 11 and the support base 12, and are provided with a swing allowance.
[0045] It is additionally explained that, Figure 4 is not an actual angle, so as to make the expression more clear and explicit.
[0046] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this, any person skilled in the art in the field of the present application, the changes or modifications are covered in the patent range of the present application.
Claims
1. An adjustable shock-absorbing base for a speed reducer, comprising a base (11), a support seat (12) connected to the base (11) via a shock-absorbing assembly, and a speed reducer (13) fixedly mounted on the support seat (12), characterized in that: The shock absorption assembly includes a spring (14) connected between the base (11) and the support (12), and the base (11) and the support (12) are also connected by a damper (15); The base (11) is also provided with a sliding plate (16), and a lifting plate (17) is slidably connected to the side of the sliding plate (16). A locking member is installed on the side of the lifting plate (17). The locking member includes two arc-shaped locking plates (18). One locking plate (18) is fixed to the lifting plate (17), and the other locking plate (18) is hinged to the lifting plate (17). A straight plate is installed at the end of each of the two locking plates (18), and the two straight plates can be locked together by bolts and nuts so that the spring (14) is fixed in the locking member. It also includes a locking mechanism for controlling the up and down position of the lifting plate (17).
2. The adjustable shock-absorbing base for a speed reducer according to claim 1, characterized in that: Four springs (14) and four dampers (15) are provided, and are respectively located at the four corners of the base (11) and the support (12). Four locking plates (18) are also provided and are directly opposite the four springs (14).
3. The adjustable shock-absorbing base for a speed reducer according to claim 2, characterized in that: The upper side of the base (11) is equipped with a frustum (19), and the frustum (19) is provided with a cylindrical groove. The side of the slide plate (16) is equipped with a control plate (20) inserted into the cylindrical groove, and the end of the control plate (20) is a slope. An inverted conical platform (21) is slidably connected inside the cylindrical groove. The curved surface inside the conical platform (21) is attached to the inclined surface inside the four control plates (20). A spring plate is mounted on the side of the control plate (20), and the spring plate is connected to the wall of the cylindrical groove through a reset spring. The control plate (20) also includes a positioning mechanism for controlling the up and down position of the conical platform (21).
4. The adjustable shock-absorbing base for a speed reducer according to claim 3, characterized in that: The positioning mechanism includes a threaded shaft (22) rotatably connected to the cylindrical groove and threadedly connected to the conical platform (21). A control rod (23) extending laterally to the outside of the platform (19) is also rotatably connected inside the platform (19). The control rod (23) is connected to the threaded shaft (22) through a bevel gear set, and a knob is installed at the end of the control rod (23).
5. The adjustable shock-absorbing base for a speed reducer according to claim 1, characterized in that: The locking mechanism includes a positioning bolt (24) threaded into the lifting plate (17) and abutting against the side of the sliding plate (16).
6. The adjustable shock-absorbing base for a speed reducer according to claim 1, characterized in that: The damper (15) includes a cylinder and a piston rod, the cylinder being ball-connected to the base (11) and the piston rod being ball-connected to the support (12).
7. The adjustable shock-absorbing base for a speed reducer according to claim 3, characterized in that: The spring (14) is arranged obliquely, and the spring (14) converges from bottom to top towards the frustum (19).
Citation Information
Patent Citations
Speed reducer with damping mounting base
CN221257596U