Civil engineering damping device

Abstract

The invention discloses a civil engineering damping device, which relates to the technical field of civil engineering, and adopts the technical scheme that the civil engineering damping device comprises a device base, a transmission groove is fixedly connected to the upper part of the device base, a connecting plate is slidably connected in the transmission groove, a third motor is arranged in the connecting plate, and a third gear is arranged at the output end of the third motor; and the third gear is connected with a fourth gear in a meshed mode, the fourth gear is rotationally connected with the connecting plate, the fourth gear is connected with a second rack in a meshed mode, and the second rack is fixedly connected with the transmission groove. Limiting inner plates arranged on the two sides are driven to move through a transmission mechanism, so that the limiting inner plates can be attached to the inner wall of a damping spring, then a third motor is started to drive a limiting shell to move inwards, the limiting shell is attached to the outer wall of the damping spring, and the inner side and the outer side of the damping spring are supported through the limiting inner plates and the limiting shell.

Description

Technical Field

[0001] The present invention relates to the technical field of civil engineering, and particularly to a shock-absorbing device for civil engineering. Background Art

[0002] Since the 1990s, the research and application of engineering shock absorption and isolation theories have become a hot topic in the field of engineering earthquake resistance, aiming to weaken and reduce the impact of dynamic forces such as earthquakes on building structures through advanced technical means. The concept of civil engineering structure control was proposed by the Chinese-American scholar Yao Zhiping in 1972. After more than 40 years of development, both the technical theory and practical content are relatively mature. The shock-absorbing device applies control forces in an active or passive manner to change the dynamic characteristics of the structure, reduce the structural vibration response, and ensure the safety and comfort of the structure. The development and application of this technology have made building structures more stable, safe, applicable, and durable.

[0003] In the actual use process of the existing device, long-term use of the shock-absorbing device will cause the springs inside the device to deform and unable to return elastically. Moreover, it is relatively cumbersome to replace the springs after they are damaged. At the same time, most of the structures for installing the springs are fixed. When replacing the springs, if the new springs have different specifications from the original springs, it will lead to difficulties in installing the springs and poor use effects. Therefore, a shock-absorbing device for civil engineering is proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve the drawbacks in the prior art that long-term use of the shock-absorbing device will cause the springs inside the device to deform and unable to return elastically, and it is relatively cumbersome to replace the springs after they are damaged. At the same time, most of the structures for installing the springs are fixed. When replacing the springs, if the new springs have different specifications from the original springs, it will lead to difficulties in installing the springs and poor use effects, and to propose a shock-absorbing device for civil engineering.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A civil engineering shock absorption device, comprising a device base, a transmission groove is fixedly connected to the upper part of the device base, a connecting plate is slidably connected inside the transmission groove, a third motor is arranged inside the connecting plate, a third gear is arranged at the output end of the third motor, the third gear is meshed and connected with a fourth gear, the fourth gear is rotatably connected with the connecting plate, the fourth gear is meshed and connected with a second rack, the second rack is fixedly connected with the transmission groove, a limiting outer shell is fixedly connected to the upper part of the connecting plate, a shock absorption spring is placed inside the limiting outer shell, a limiting inner plate is arranged inside the shock absorption spring, a transmission mechanism is arranged inside the limiting inner plate, the transmission mechanism comprises a transmission housing arranged inside the limiting inner plate, the transmission housing is fixedly connected with the device base, a second motor is arranged on the upper part of the device base, a worm is arranged at the output end of the second motor, two worm wheels are threadedly connected to both sides of the worm, a first rack is meshed and connected to the bottom of the worm wheel, and a limiting inner plate is fixedly connected to one side of the first rack.

[0007] When the shock absorption spring needs to be replaced during the long-term operation of the device, first start the third motor to drive the fourth gear to rotate. The fourth gear rotates and moves along the second rack, thereby driving the connecting plate to move, causing the limiting outer shell to separate to both sides, so as to replace the pressure plate. If the specification of the replaced shock absorption spring changes, first start the second motor to drive the worm wheel to rotate, and the rotation of the worm wheel drives the first rack to move, thereby driving the limiting inner plate to move, making the limiting inner plate fit with the inner wall of the shock absorption spring. At the same time, control the limiting outer shell to close inward so that it fits with the outer wall of the shock absorption spring. Through synchronous support inside and outside, ensure the stable installation of the limiting outer shell. The number of the worm wheels and the first racks is two, and the number of the limiting outer shells is two.

[0008] The above technical solution further includes:

[0009] Sliding grooves are fixedly connected to both sides of the transmission housing, and first racks are slidably connected inside the sliding grooves.

[0010] A limiting groove is fixedly connected inside the transmission groove, and the connecting plate is slidably connected to the limiting groove.

[0011] A damping shock absorption mechanism is fixedly connected to the upper part of the device base, a guide rod is arranged on the upper part of the damping shock absorption mechanism, a vibration isolation plate is fixedly connected to the upper part of the guide rod, and the number of the damping shock absorption mechanisms is four.

[0012] The damping shock absorption mechanism includes a damping outer shell fixedly connected to the upper part of the device base, an oil cavity is arranged inside the damping outer shell, a guide rod is slidably connected inside the oil cavity, a piston is fixedly connected to the bottom of the guide rod, and damping holes are opened on the upper part of the piston.

[0013] The inside of the oil chamber is filled with a damping medium, which is separated by a piston on both sides, and the damping holes opened on the piston allow the medium to pass through. Sealing plates are symmetrically arranged on both sides of the oil chamber to seal the oil chamber.

[0014] A regulating mechanism is fixedly connected to the lower part of the shock isolation plate, and a pressing plate is arranged at the bottom of the regulating mechanism to drive the shock absorption spring to deform through the pressing plate.

[0015] The regulating mechanism includes a regulating outer shell fixedly connected to the lower end of the shock isolation plate. A first motor is arranged inside the regulating outer shell, and a regulating component is arranged at the output end of the first motor.

[0016] The regulating component includes a first gear arranged at the output end of the first motor. The first gear is meshed with a second gear, and the second gear is threadedly connected to a threaded rod. The threaded rod is slidably connected to the regulating outer shell. The bottom of the threaded rod is fixedly connected to a pressing plate, and a baffle is arranged below the pressing plate.

[0017] The present invention has the following beneficial effects:

[0018] 1. In the present invention, when the shock absorption spring is damaged and needs to be replaced after long-term use of the device, by starting the third motor, the fourth gear can be driven to move along the second rack, and then the connecting plate is driven to move, thereby driving the limit outer shell to move and separate to both sides, so as to facilitate the replacement of the shock absorption spring. When the specification of the shock absorption spring changes after replacement, first, the transmission mechanism can be started, and the limit inner plates arranged on both sides are driven to move through the transmission mechanism, so that the limit inner plates can be attached to the inner wall of the shock absorption spring. Then, start the third motor to drive the limit outer shell to move inward, so that the limit outer shell is attached to the outer wall of the shock absorption spring. By supporting the inner and outer sides of the shock absorption spring with the limit inner plate and the limit outer shell, the limit inner plate can be effectively fixed, and at the same time, different specifications of shock absorption springs can also be adapted.

[0019] 2. In the present invention, four damping shock absorption mechanisms are also arranged on the upper part of the device base. When the shock isolation plate moves due to vibration, the damping shock absorption mechanisms can dissipate the vibration energy to effectively assist the shock absorption spring in shock absorption. Moreover, through the regulating mechanism arranged at the bottom of the shock isolation plate, the pressing plate can also be driven to move, thereby driving the shock absorption spring arranged below the pressing plate to undergo telescopic deformation to adjust the damping coefficient of the shock absorption spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of a civil engineering shock absorption device proposed by the present invention;

[0021] Figure 2 is a schematic diagram of the bottom structure of the shock isolation plate in the present invention;

[0022] Figure 3Schematic diagram of the internal structure of the damping housing in the present invention;

[0023] Figure 4 Schematic diagram of the internal structure of the adjustment housing in the present invention;

[0024] Figure 5 Schematic diagram of the internal structure of the device base in the present invention;

[0025] Figure 6 Schematic diagram of the internal structure of the limit inner plate in the present invention;

[0026] Figure 7 Schematic diagram of the structure of the transmission mechanism in the present invention;

[0027] Figure 8 Schematic diagram of the first internal structure of the transmission groove in the present invention;

[0028] Figure 9 Schematic diagram of the second internal structure of the transmission groove in the present invention.

[0029] In the figure: 1, device base; 2, damping housing; 3, guide rod; 4, shock isolation plate; 5, pressing plate; 6, limit housing; 7, shock absorption spring; 8, limit inner plate; 9, threaded rod; 10, adjustment housing; 11, oil cavity; 12, piston; 13, damping hole; 14, sealing plate; 15, first motor; 16, first gear; 17, second gear; 18, transmission groove; 19, connecting plate; 20, transmission housing; 21, worm gear; 22, first rack; 23, sliding groove; 24, second motor; 25, worm; 26, second rack; 27, third motor; 28, third gear; 29, fourth gear; 30, limit groove. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1

[0032] As Figures 1-9As shown in the figure, a damping device for civil engineering includes a device base 1. A transmission groove 18 is fixedly connected to the upper part of the device base 1. A connecting plate 19 is slidably connected inside the transmission groove 18. A third motor 27 is arranged inside the connecting plate 19. A third gear 28 is arranged at the output end of the third motor 27. The third gear 28 is meshed with a fourth gear 29. The fourth gear 29 is rotatably connected to the connecting plate 19. The fourth gear 29 is meshed with a second rack 26. The second rack 26 is fixedly connected to the transmission groove 18. A limiting outer shell 6 is fixedly connected to the upper part of the connecting plate 19. A damping spring 7 is placed inside the limiting outer shell 6. A limiting inner plate 8 is arranged inside the damping spring 7. A transmission mechanism is arranged inside the limiting inner plate 8. The transmission mechanism includes a transmission housing 20 arranged inside the limiting inner plate 8. The transmission housing 20 is fixedly connected to the device base 1. A second motor 24 is arranged on the upper part of the device base 1. A worm 25 is arranged at the output end of the second motor 24. Two worm wheels 21 are threadedly connected to both sides of the worm 25. A first rack 22 is meshed with the bottom of the worm wheel 21. One side of the first rack 22 is fixedly connected to the limiting inner plate 8.

[0033] When the damping spring 7 needs to be replaced during the long-term operation of the device, first start the third motor 27 to drive the fourth gear 29 to rotate. The fourth gear 29 rotates and moves along the second rack 26, thereby driving the connecting plate 19 to move, causing the limiting outer shell 6 to separate to both sides, so as to replace the pressure plate 5. If the specification of the replaced damping spring 7 changes, first start the second motor 24 to drive the worm wheel 21 to rotate. The rotation of the worm wheel 21 drives the first rack 22 to move, thereby driving the limiting inner plate 8 to move, making the limiting inner plate 8 fit with the inner wall of the damping spring 7. At the same time, control the connecting plate 19 to drive the limiting outer shell 6 to close inward, making it fit with the outer wall of the damping spring 7. Through the synchronous support inside and outside, ensure the stable installation of the limiting outer shell 6. The number of worm wheels 21 and first racks 22 is two, the number of limiting outer shells 6 is two. Sliding grooves 23 are fixedly connected to both sides of the transmission housing 20. The first rack 22 is slidably connected inside the sliding grooves 23. A limiting groove 30 is fixedly connected inside the transmission groove 18. The connecting plate 19 is slidably connected to the limiting groove 30.

[0034] In this embodiment, when the damping spring 7 is damaged and needs to be replaced during the long-term use of the device, starting the third motor 27 can drive the third gear 28 to rotate. The rotation of the third gear 28 can drive the meshed fourth gear 29 to rotate. The rotation of the fourth gear 29 can move along the meshed second rack 26, thereby driving the connecting plate 19 to move. During the movement of the connecting plate 19, the limiting groove 30 slidably connected to one side can ensure the stability of the connecting plate 19 during movement. Through the movement of the connecting plate 19, the limiting outer shell 6 can be driven to separate to both sides, so as to facilitate the replacement of the damping spring 7.

[0035] If the specifications of the replaced shock-absorbing spring 7 change, first, the second motor 24 can be started. The second motor 24 drives the worm 25 to rotate. The rotation of the worm 25 drives the two meshed worm wheels 21 to rotate. The rotation of the worm wheels 21 drives the first rack 22 connected by meshing to move. The sliding groove 23 slidably connected during the movement of the first rack 22 can ensure the stability of the first rack 22 during movement. The movement of the first rack 22 drives the fixedly connected limiting inner plate 8 to move, so that the limiting inner plate 8 can fit against the inner wall of the shock-absorbing spring 7. Then, the third motor 27 is started to drive the connecting plate 19 to move inward, so that the limiting outer shell 6 fits against the outer wall of the shock-absorbing spring 7. By supporting the inner and outer sides of the shock-absorbing spring 7 with the limiting inner plate 8 and the limiting outer shell 6, the limiting inner plate 8 can be effectively fixed, and at the same time, shock-absorbing springs 7 of different specifications can also be adapted.

[0036] Embodiment 2

[0037] As Figures 1-9 As shown in the figure, a damping and shock-absorbing mechanism is fixedly connected to the upper part of the device base 1. A guide rod 3 is arranged on the upper part of the damping and shock-absorbing mechanism. A shock isolation plate 4 is fixedly connected to the upper part of the guide rod 3. The number of damping and shock-absorbing mechanisms is four. The damping and shock-absorbing mechanism includes a damping outer shell 2 fixedly connected to the upper part of the device base 1. An oil chamber 11 is arranged inside the damping outer shell 2. The guide rod 3 is slidably connected inside the oil chamber 11. A piston 12 is fixedly connected to the bottom of the guide rod 3. A damping hole 13 is opened in the upper part of the piston 12. A damping medium is filled inside the oil chamber 11. The medium is separated on both sides by the piston 12. The damping hole 13 opened on the piston 12 allows the medium to pass through. Sealing plates 14 are symmetrically arranged on both sides of the oil chamber 11. The oil chamber 11 is sealed by the sealing plates 14.

[0038] A regulating mechanism is fixedly connected to the lower part of the shock isolation plate 4. A pressing plate 5 is arranged at the bottom of the regulating mechanism. The shock-absorbing spring 7 is deformed by driving the pressing plate 5. The regulating mechanism includes a regulating outer shell 10 fixedly connected to the lower end of the shock isolation plate 4. A first motor 15 is arranged inside the regulating outer shell 10. An adjusting component is arranged at the output end of the first motor 15. The adjusting component includes a first gear 16 arranged at the output end of the first motor 15. The first gear 16 is meshed with a second gear 17. The second gear 17 is threadedly connected to a threaded rod 9. The threaded rod 9 is slidably connected to the regulating outer shell 10. The bottom of the threaded rod 9 is fixedly connected to the pressing plate 5. A baffle is arranged below the pressing plate 5.

[0039] In this embodiment, four damping and shock-absorbing mechanisms are further provided on the upper part of the device base 1. When the isolation plate 4 moves due to vibration, the piston 12 provided inside the damping housing 2 can divide the oil chamber 11 into two parts. During the reciprocating movement of the piston 12 in the oil chamber 11, the damping medium rapidly flows in the two separated cavities. Intense friction is generated between the molecules of the medium and between the medium and the piston 12. When the medium passes through the damping holes 13 formed on the piston 12, a huge throttling damping is generated. The resultant force of these effects becomes the damping force. The damping force generated during the flow converts the impact kinetic energy into heat dissipation through the reciprocating movement of the piston 12 in the damping medium, gradually reducing the movement speed of the piston 12 to achieve the purpose of damping energy consumption, effectively assisting the shock-absorbing spring 7 in shock absorption. Moreover, the first motor 15 can drive the first gear 16 to rotate. The rotation of the first gear 16 drives the meshing-connected second gear 17 to rotate, and the rotation of the second gear 17 can drive the threaded rod 9 connected by threads to move. The movement of the threaded rod 9 can drive the pressing plate 5 fixedly connected to the bottom to move, thereby driving the shock-absorbing spring 7 provided below the pressing plate 5 to undergo telescopic deformation and adjusting the damping coefficient of the shock-absorbing spring 7.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A civil engineering shock absorbing device, comprising a device base (1), characterized in that: The upper part of the device base (1) is fixedly connected with a transmission groove (18), the transmission groove (18) is slidably connected with a connecting plate (19), a third motor (27) is arranged inside the connecting plate (19), a third gear (28) is arranged at the output end of the third motor (27), the third gear (28) is meshedly connected with a fourth gear (29), the fourth gear (29) is rotationally connected with the connecting plate (19), the fourth gear (29) is meshedly connected with a second rack (26), the second rack (26) is fixedly connected with the transmission groove (18), the upper part of the connecting plate (19) is fixedly connected with a limit housing (6), the limit housing (6) ) is provided with a damping spring (7), a limited inner plate (8) is provided inside the damping spring (7), a transmission mechanism is provided inside the limited inner plate (8), the transmission mechanism comprises a transmission housing (20) provided inside the limited inner plate (8), the transmission housing (20) is fixedly connected to the device base (1), a second motor (24) is provided on the upper part of the device base (1), a worm (25) is provided at the output end of the second motor (24), both sides of the worm (25) are threadedly connected with a worm wheel (21), the bottom of the worm wheel (21) is meshedly connected with a first rack (22), and one side of the first rack (22) is fixedly connected to the limited inner plate (8); When the device needs to replace the shock-absorbing spring (7) after long-term operation, the third motor (27) is first started to drive the fourth gear (29) to rotate. The fourth gear (29) rotates and moves along the second rack (26), thereby driving the connecting plate (19) to move, so that the limiting shell (6) is separated to both sides, thereby replacing the pressure plate (5). If the specifications of the replaced shock-absorbing spring (7) change, the second motor (24) is first started to drive the worm gear (21) to rotate, and the rotation of the worm gear (21) drives the first rack (22) to move, thereby driving the limiting inner plate (8) to move, so that the limiting inner plate (8) fits the inner wall of the shock-absorbing spring (7), and at the same time, the limiting shell (6) is controlled to close inwardly so that it fits the outer wall of the shock-absorbing spring (7). Through internal and external synchronous support, the stable installation of the limiting shell (6) is ensured.

2. A civil engineering shock absorbing device according to claim 1, characterized in that: Sliding grooves (23) are fixedly connected to both sides of the transmission housing (20), and a first rack (22) is slidably connected inside the sliding groove (23).

3. A civil engineering shock absorbing device according to claim 1, characterized in that: A limiting groove (30) is fixedly connected inside the transmission groove (18), and a connecting plate (19) is slidably connected to the limiting groove (30).

4. A civil engineering shock absorbing device according to claim 1, characterized in that: A damping and shock absorbing mechanism is fixedly connected to the upper portion of the device base (1), a guide rod (3) is arranged on the upper portion of the damping and shock absorbing mechanism, and a shock isolating plate (4) is fixedly connected to the upper portion of the guide rod (3).

5. A civil engineering shock absorbing device according to claim 4, characterized in that: The damping shock absorption mechanism comprises a damping shell (2) fixedly connected to the upper part of the device base (1), an oil chamber (11) is arranged inside the damping shell (2), a guide rod (3) is slidably connected inside the oil chamber (11), a piston (12) is fixedly connected to the bottom of the guide rod (3), and a damping hole (13) is opened on the upper part of the piston (12).

6. A civil engineering shock absorbing device according to claim 5, characterized in that: The oil chamber (11) is filled with damping medium, which is separated on two sides by a piston (12), and a damping hole (13) is provided on the piston (12) for the medium to pass through. Sealing plates (14) are symmetrically arranged on both sides of the oil chamber (11), and the oil chamber (11) is sealed by the sealing plates (14).

7. A civil engineering shock absorbing device according to claim 4, characterized in that: The lower part of the seismic isolation plate (4) is fixedly connected with an adjustment mechanism, and a pressure plate (5) is arranged at the bottom of the adjustment mechanism, and the shock absorbing spring (7) is driven to deform through the pressure plate (5).

8. A civil engineering shock absorbing device according to claim 7, characterized in that: The adjustment mechanism comprises an adjustment housing (10) fixedly connected to the lower end of the seismic isolation plate (4), a first motor (15) is arranged inside the adjustment housing (10), and an adjustment component is arranged at the output end of the first motor (15).

9. A civil engineering shock absorbing device according to claim 8, characterized in that: The adjustment assembly comprises a first gear (16) arranged at the output end of a first motor (15); the first gear (16) is meshingly connected with a second gear (17); the second gear (17) is threadedly connected with a threaded rod (9); the threaded rod (9) is slidably connected to an adjustment housing (10); and a pressure plate (5) is fixedly connected to the bottom of the threaded rod (9).

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