Vibration damping device and elevator system
By designing a vibration damping device with limit components and fixed connections in the elevator equipment, the problem of uneven stress on the traction machine's vibration damping structure was solved, thereby improving the safety and vibration damping effect of elevator operation.
Patent Information
- Application Number
- CN202520651144.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-08
AI Technical Summary
In existing elevator equipment, the vibration damping structure of the traction machine is prone to uneven force on one side when facing variable loads and sudden start-up and stop conditions, which can lead to damage to the vibration damping structure and affect the safety and vibration damping effect of elevator operation.
A vibration damping device is designed, comprising a first housing, a second housing, and an elastic energy-absorbing part. By combining limiting components and fixed connectors, the sinking of the first housing is restricted, the elastic energy-absorbing part is prevented from being over-compressed, the risk of rollover is avoided, and the safety and vibration damping effect of the elevator equipment are ensured.
It effectively prevents excessive load on one side, protects the elastic energy-absorbing part, avoids damage to the vibration damping structure, ensures the stability and safety of elevator operation, and reduces noise pollution.
Smart Images
Figure CN223806546U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator equipment technical field, specifically, relate to a kind of damping device and a kind of elevator equipment comprising the damping device. BACKGROUND
[0002] In elevator equipment, how to reduce the vibration noise transmitted by power module such as hoisting machine to building structure has been an important research direction, and the existing elevator equipment usually pads multiple damping structures with elastic material at the bottom of hoisting machine, to absorb the vibration energy of hoisting machine and other elevator power modules by elastic material.
[0003] However, the operation of elevator equipment usually needs to frequently face various variable loads and sudden start, sudden stop and other working conditions, and the hoisting machine often has the problem that multiple damping structures are unevenly stressed, resulting in excessive stress on unilateral damping structure. In extreme cases, the elastic material of unilateral damping structure may be subjected to pressure beyond its bearing range, causing damage to the damping structure on that side, and even causing the hoisting machine to overturn, affecting the safety and damping effect of the elevator equipment.
[0004] Therefore, how to provide a damping device capable of preventing excessive unilateral load has become a technical problem to be solved in the field. SUMMARY
[0005] The utility model aims at solving one of the technical problems in the related art to some extent. To this end, the utility model provides a damping device and an elevator equipment comprising the damping device, which can prevent excessive load on unilateral damping device and ensure the safety and damping effect of the elevator equipment.
[0006] To achieve the above-mentioned purpose, as one aspect of the utility model, a damping device is provided, comprising a first shell, a second shell and an elastic energy-absorbing part, the elastic energy-absorbing part is stacked between the inner wall of the first shell and the inner wall of the second shell, the damping device further comprises at least one limiting assembly, the limiting assembly comprises a limiting mounting and at least one fixed connecting piece, at least one strip-shaped hole is formed on the limiting mounting, the second shell has a connecting structure, the fixed connecting piece passes through the strip-shaped hole and is fixedly connected with the connecting structure on the second shell to fix the limiting mounting on the second shell, the limiting mounting and the first shell are spaced apart along the stacking direction of the first shell, the second shell and the elastic energy-absorbing part, and the extension direction of the strip-shaped hole and the stacking direction have a preset included angle.
[0007] Optionally, a plurality of strip-shaped holes are formed on the limiting mounting, and the plurality of strip-shaped holes extend in the same direction.
[0008] Optionally, the limiting installation piece comprises a striking piece and a spacing piece, the spacing piece is arranged on both sides of the striking piece along the extension direction of the first shell bottom edge, one end of the spacing piece is fixedly connected with the striking piece, the other end of the spacing piece is located on the side of the striking piece facing the second shell and is in contact with the second shell, and the side of the striking piece and the spacing piece facing the first shell are spaced apart from the first shell along the stacking direction.
[0009] Optionally, the limiting assembly is arranged on the opposite side walls of the second shell.
[0010] Optionally, the damping device comprises a plurality of pairs of limiting assemblies, each pair of limiting assemblies is symmetrically arranged on the side walls of the second shell along a first horizontal direction, and a plurality of pairs of limiting assemblies are arranged along a second horizontal direction, and the first horizontal direction intersects the second horizontal direction.
[0011] Optionally, the damping device comprises two pairs of limiting assemblies, and the strip-shaped holes of the two pairs of limiting assemblies are symmetrically arranged along the second horizontal direction.
[0012] Optionally, the spacing distance between the limiting installation piece and the first shell along the stacking direction is 0.5mm to 5mm.
[0013] Optionally, the spacing distance between the limiting installation piece and the first shell along the stacking direction is 2mm.
[0014] Optionally, the preset included angle between the extension direction of the strip-shaped hole and the stacking direction is 15° to 65°.
[0015] Optionally, the preset included angle between the extension direction of the strip-shaped hole and the stacking direction is 45°.
[0016] Optionally, the connecting structure comprises a connecting nut and a relief hole formed on the second shell, the relief hole penetrates the second shell along the thickness direction of the side wall of the second shell, the connecting nut is fixedly arranged on the inner wall of the second shell, the threaded hole of the connecting nut is in communication with the relief hole, the fixed connecting piece is a fixed screw, and the end portion of the fixed connecting piece sequentially penetrates the strip-shaped hole and the relief hole and is screwed into the connecting nut.
[0017] As a second aspect of the present application, an elevator device is provided, comprising a traction machine, a base, an elevator car and a plurality of damping devices provided by the embodiments of the present application, the bottom of the traction machine is connected with the first shell of the plurality of damping devices, the second shell of the plurality of damping devices is connected with the base, the traction machine is connected with the elevator car and can drive the elevator car to move up and down.
[0018] In the damping device and the elevator equipment, the first shell of the damping device is used for being connected with the bottom of the power module such as the traction machine, the second shell is used for being fixedly connected with the frame structure such as the base in the elevator equipment, the elastic energy-absorbing part is connected between the first shell and the second shell, and the vibration energy of the elevator power module such as the traction machine can be absorbed, so that the noise pollution generated by the elevator equipment is reduced, and the stability of the elevator operation is ensured.
[0019] And, the outer side wall of the second shell is also fixed with a limiting mounting piece through the fixing connector, and the limiting mounting piece and the bottom edge of the first shell are left with a spacing for the sinking of the first shell, when the pressure load borne by the damping device is in the rated interval, the first shell will not sink to contact with the limiting mounting piece, and when the pressure load borne by the damping device is too large, the first shell will contact with the limiting mounting piece when the elastic energy-absorbing part generates too large compression amount, so as to prevent the elastic energy-absorbing part from being damaged, avoid the risk of rollover, ensure the safety and damping effect of the elevator equipment operation.
[0020] Meanwhile, the limiting mounting piece is fixedly connected with the second shell through the fixing connector penetrating the strip-shaped hole, and the strip-shaped hole has a preset included angle with the vertical direction, so that the height of the limiting mounting piece can be flexibly adjusted, that is, the sinking allowance of the first shell is adjusted, and enough supporting force can be provided to the limiting mounting piece through the inclined design of the strip-shaped hole, so as to ensure the overload protection effect of the damping device. BRIEF DESCRIPTION OF DRAWINGS
[0021] The utility model will be further described in connection with the drawings:
[0022] Figure 1 It is the structure schematic diagram of the damping device provided by the utility model embodiment;
[0023] Figure 2 It is the disassembly structure schematic diagram of the damping device provided by the utility model embodiment;
[0024] Figure 3 It is the side structure schematic diagram of the damping device provided by one embodiment of the utility model;
[0025] Figure 4 It is the side structure schematic diagram of the damping device provided by another embodiment of the utility model;
[0026] Figure 5 It is the side structure schematic diagram of the damping device provided by another embodiment of the utility model;
[0027] Figure 6 It is the cut structure schematic diagram of the damping device provided by the utility model embodiment.
[0028] Explanation of reference signs:
[0029] First shell 100; Second shell 200; Connecting structure 210; Connecting nut 211; Elastic energy absorbing part 300; Limiting assembly 400; Limiting mounting 410; Strip-shaped hole 401; Impacting piece 411; Spacing piece 412; Fixed connecting piece 420; First horizontal direction x; Second horizontal direction y; Stacking direction z; Spacing distance d. DETAILED DESCRIPTION
[0030] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. Based on the embodiments in the embodiments, it is intended to explain the present application, and cannot be understood as a limitation of the present application.
[0031] In the present specification, "one embodiment" or "an example" or "an example" means that the specific features, structures or characteristics described in connection with the embodiment itself can be included in at least one embodiment of the present application. The appearance of the phrase "in one embodiment" at various places in the specification does not necessarily refer to the same embodiment.
[0032] To solve the above technical problems, as one aspect of the present application, a damping device is provided, as shown in Figures 1 to 6 As shown, the damping device comprises a first shell 100, a second shell 200 and an elastic energy absorbing part 300, the elastic energy absorbing part 300 is stacked between the inner wall of the first shell 100 and the inner wall of the second shell 200, the damping device further comprises at least one limiting assembly 400, the limiting assembly 400 comprises a limiting mounting 410 and at least one fixed connecting piece 420, at least one strip-shaped hole 401 is formed on the limiting mounting 410, the second shell 200 has a connecting structure 210, the fixed connecting piece 420 passes through the strip-shaped hole 401 and is fixedly connected with the connecting structure 210 on the second shell 200, so as to fix the limiting mounting 410 on the second shell 200, the limiting mounting 410 and the first shell 100 are spaced apart along the stacking direction z of the first shell 100, the second shell 200 and the elastic energy absorbing part 300, and the strip-shaped hole 401 has a preset included angle between the extending direction and the stacking direction z.
[0033] In the damping device provided by the present application, the first shell 100 is used to connect with the bottom of the power module such as a traction machine, the second shell 200 is used to be fixedly connected with the frame structure such as a base in the elevator equipment, the elastic energy absorbing part 300 is connected between the first shell 100 and the second shell 200, and can absorb the vibration energy of the elevator power module such as the traction machine, so as to reduce the noise pollution generated by the elevator equipment, and ensure the stability of the elevator operation;
[0034] And, the outer side wall of the second shell 200 is also fixed with a limiting mounting 410 through a fixed connecting piece 420, and the limiting mounting 410 and the bottom edge of the first shell 100 are spaced apart to provide a sinking space for the first shell 100, and when the pressure load borne by the damping device is within the rated range, the first shell 100 will not sink to contact the limiting mounting 410, and when the pressure load borne by the damping device is too large, the elastic energy-absorbing part 300 generates an excessive compression amount, and the first shell 100 will contact the limiting mounting 410, thereby preventing the elastic energy-absorbing part 300 from being damaged and avoiding the risk of overturning, and ensuring the safety of the elevator equipment operation and the damping effect;
[0035] Meanwhile, the limiting mounting 410 is fixedly connected with the second shell 200 through the fixed connecting piece 420 passing through the strip-shaped hole 401, and the strip-shaped hole 401 has a preset included angle with the vertical direction, so that the height of the limiting mounting 410 can be flexibly adjusted when the limiting mounting 410 is loosened or removed, that is, the sinking allowance of the first shell 100 is adjusted, and the oblique design of the strip-shaped hole 401 can also ensure that sufficient support force is provided to the limiting mounting 410, thereby ensuring the overload protection effect of the damping device.
[0036] Optionally, the elastic energy-absorbing part 300 can be an elastic body block, such as a rubber block, a silica gel block or a polyurethane high polymer material block. Alternatively, the elastic energy-absorbing part 300 can also be a metal spring.
[0037] As an optional embodiment of the utility model, as shown in Figures 1 to 5 The limiting mounting 410 is formed with a plurality of strip-shaped holes 401, and the plurality of strip-shaped holes 401 extend in the same direction.
[0038] As an optional embodiment of the utility model, as shown in Figure 2 The limiting mounting 410 includes an impact piece 411 and a spacing piece 412, the spacing piece 412 is arranged on both sides of the impact piece 411 along the extension direction of the bottom edge of the first shell 100, one end of the spacing piece 412 is fixedly connected with the impact piece 411, the other end of the spacing piece 412 is located on the side of the impact piece 411 facing the second shell 200 and in contact with the second shell 200, and the side of the impact piece 411 and the spacing piece 412 facing the first shell 100 is spaced apart from the first shell 100 along the stacking direction z.
[0039] As an optional embodiment of the utility model, the limiting assembly 400 is arranged on the opposite side walls of the second shell 200 in pairs, so that the second shell 200 can be mechanically limited regardless of which side it overturns.
[0040] As an optional embodiment of the utility model, as shown in Figures 1 to 4As shown in the figure, the damping device comprises a plurality of pairs of limiting assemblies 400, each pair of limiting assemblies 400 is symmetrically arranged on the two side walls of the second shell 200 along a first horizontal direction x, and the plurality of pairs of limiting assemblies 400 are arranged at intervals along a second horizontal direction y, and the first horizontal direction x intersects the second horizontal direction y.
[0041] As an optional embodiment of the utility model, as shown in the figure, Figures 1 to 4 As shown in the figure, the damping device comprises two pairs of limiting assemblies 400, and the strip-shaped holes 401 of the two pairs of limiting assemblies 400 are symmetrically arranged along the second horizontal direction y.
[0042] Alternatively, the extension directions of the strip-shaped holes 401 of different pairs of limiting assemblies 400 can be symmetrical to each other, for example, Figure 3 The figure shows the design of the splayed shape (or the design of the inverted splayed shape).
[0043] Alternatively, as shown in the figure, Figure 4 The extension directions of the strip-shaped holes 401 of the plurality of limiting assemblies 400 can also be the same.
[0044] Alternatively, when the length of the damping device along the second horizontal direction y is relatively long, the number of limiting assemblies 400 can be three pairs or more.
[0045] Alternatively, as shown in the figure, Figure 5 When the length of the damping device along the second horizontal direction y is relatively small, the number of limiting assemblies 400 can also be one pair.
[0046] As an optional embodiment of the utility model, as shown in the figure, Figure 4 The interval distance d between the limiting mounting member 410 and the first shell 100 along the stacking direction z is 0.5mm to 5mm.
[0047] As an optional embodiment of the utility model, the interval distance d between the limiting mounting member 410 and the first shell 100 along the stacking direction z is 2mm.
[0048] As an optional embodiment of the utility model, the preset included angle between the extension direction of the strip-shaped hole 401 and the stacking direction z is 15° to 65°, that is, the included angle between the extension direction of the strip-shaped hole 401 and the horizontal plane in the use state is 25° to 75°.
[0049] As an optional embodiment of the utility model, as shown in the figure, Figures 1 to 5 The preset included angle between the extension direction of the strip-shaped hole 401 and the stacking direction z is 45°, that is, the strip-shaped hole 401 extends at an angle of 45°.
[0050] Alternatively, the connecting structure 210 can be a threaded hole passing through the side wall of the second shell 200.
[0051] To improve the connection strength between the fixed connecting piece 420 and the second shell 200, as a preferred embodiment of the utility model, as shown in Figure 6 The connecting structure 210 includes a connecting nut 211 and a relief hole formed on the second shell 200, the relief hole penetrates the second shell 200 along the thickness direction of the sidewall of the second shell 200, the connecting nut 211 is fixedly arranged on the inner wall of the second shell 200, and the threaded hole of the connecting nut 211 is in communication with the relief hole, the fixed connecting piece 420 is a fixed screw, and the end of the fixed connecting piece 420 sequentially penetrates the strip-shaped hole 401 and the relief hole and is screwed into the connecting nut 211.
[0052] As a second aspect of the utility model, an elevator equipment is provided, which comprises a hoisting machine, a base, an elevator car and a plurality of damping devices provided by the utility model embodiments, the bottom of the hoisting machine is connected with the first shell 100 of the plurality of damping devices, the second shell 200 of the plurality of damping devices is connected with the base, the hoisting machine is connected with the elevator car and can drive the elevator car to move up and down.
[0053] In the elevator equipment provided by the utility model, the first shell 100 of the damping device is connected with the bottom of the power module such as the hoisting machine, the second shell 200 is fixedly connected with the frame structure such as the base in the elevator equipment, the elastic energy-absorbing part 300 is connected between the first shell 100 and the second shell 200 and can absorb the vibration energy of the elevator power module such as the hoisting machine, so as to reduce the noise pollution generated by the elevator equipment and ensure the stability of the elevator operation;
[0054] Moreover, the outer sidewall of the second shell 200 is also fixed with a limiting mounting piece 410 through a fixed connecting piece 420, an interval for the sinking of the first shell 100 is left between the limiting mounting piece 410 and the bottom edge of the first shell 100, when the pressure load borne by the damping device is within the rated interval, the first shell 100 will not sink to contact the limiting mounting piece 410, and when the pressure load borne by the damping device is too large, the first shell 100 will contact the limiting mounting piece 410 when the elastic energy-absorbing part 300 generates too large compression amount, so as to prevent the damage of the elastic energy-absorbing part 300 and avoid the risk of overturning, and ensure the safety and damping effect of the operation of the elevator equipment;
[0055] Meanwhile, the limiting mounting piece 410 is fixedly connected with the second shell 200 through the fixed connecting piece 420 penetrating the strip-shaped hole 401 thereof, and the strip-shaped hole 401 has a preset included angle with the vertical direction, so that the height of the limiting mounting piece 410 can be flexibly adjusted, that is, the sinking allowance of the first shell 100 can be adjusted, and the oblique design of the strip-shaped hole 401 can ensure that sufficient support force is provided to the limiting mounting piece 410, and the overload protection effect of the damping device is ensured.
[0056] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, and the skilled in the art should understand that the present application includes but is not limited to the content described in the drawings and the above specific implementation. Any modification not deviating from the function and structural principle of the present application will be included in the scope of the claims.
Claims
1. A damping device comprising a first housing (100), a second housing (200), and an elastic energy-absorbing portion (300), the elastic energy-absorbing portion (300) being stacked between an inner wall of the first housing (100) and an inner wall of the second housing (200), characterized in that, The damping device further comprises at least one limiting assembly (400), the limiting assembly (400) comprising a limiting mount (410) and at least one fixed connecting piece (420), at least one strip-shaped hole (401) is formed on the limiting mount (410), the second shell (200) has a connecting structure (210), the fixed connecting piece (420) passes through the strip-shaped hole (401) and is fixedly connected with the connecting structure (210) on the second shell (200) to fix the limiting mount (410) on the second shell (200), the limiting mount (410) and the first shell (100) are spaced apart along a stacking direction (z) of the first shell (100), the second shell (200) and the elastic energy-absorbing part (300), and a preset included angle is formed between an extension direction of the strip-shaped hole (401) and the stacking direction (z).
2. The vibration damping device according to claim 1, characterized by A plurality of strip-shaped holes (401) are formed on the limiting mount (410), and the plurality of strip-shaped holes (401) extend in the same direction.
3. The vibration damping device according to claim 1, characterized by The limiting mount (410) comprises an impact piece (411) and a spacing piece (412), the spacing piece (412) is arranged on both sides of the impact piece (411) along an extension direction of a bottom edge of the first shell (100), one end of the spacing piece (412) is fixedly connected with the impact piece (411), the other end of the spacing piece (412) is located on a side of the impact piece (411) facing the second shell (200) and is in contact with the second shell (200), and the side of the impact piece (411) and the spacing piece (412) facing the first shell (100) are spaced apart from the first shell (100) along the stacking direction (z).
4. The vibration damping device according to any one of claims 1 to 3, characterized by The limiting assembly (400) is arranged on opposite side walls of the second shell (200).
5. The vibration damping device according to claim 4, characterized by The damping device comprises a plurality of pairs of limiting assemblies (400), each pair of limiting assemblies (400) is symmetrically arranged on the two side walls of the second shell (200) along a first horizontal direction (x), and a plurality of pairs of limiting assemblies (400) are spaced apart along a second horizontal direction (y), and the first horizontal direction (x) intersects the second horizontal direction (y).
6. The vibration damping device according to claim 5, characterized by The damping device comprises two pairs of limiting assemblies (400), and the strip-shaped holes (401) of the two pairs of limiting assemblies (400) are symmetrically arranged along the second horizontal direction (y).
7. The vibration damping device according to any one of claims 1 to 3, characterized by The spacing distance (d) between the limiting mount (410) and the first shell (100) along the stacking direction (z) is 0.5mm to 5mm.
8. The vibration damping device according to any one of claims 1 to 3, characterized by The preset included angle between the extension direction of the strip-shaped hole (401) and the stacking direction (z) is 15° to 65°.
9. The vibration damping device according to any one of claims 1 to 3, characterized by The connecting structure (210) comprises a connecting nut (211) and a relief hole formed on the second shell (200), the relief hole penetrates the second shell (200) along the thickness direction of the sidewall of the second shell (200), the connecting nut (211) is fixedly arranged on the inner wall of the second shell (200), and the threaded hole of the connecting nut (211) is in communication with the relief hole, the fixed connecting piece (420) is a fixed screw, and the end of the fixed connecting piece (420) sequentially penetrates the strip-shaped hole (401) and the relief hole and is screwed into the connecting nut (211).
10. An elevator installation, characterized in that The elevator comprises a traction machine, a base, an elevator car and a plurality of damping devices according to any one of claims 1 to 9, the bottom of the traction machine is connected with the first shells (100) of the plurality of damping devices, the second shells (200) of the plurality of damping devices are connected with the base, the traction machine is connected with the elevator car and can drive the elevator car to move up and down.