CN210797254U - Novel energy-consuming support with shearing response - Google Patents
Novel energy-consuming support with shearing response Download PDFInfo
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- CN210797254U CN210797254U CN201921631295.7U CN201921631295U CN210797254U CN 210797254 U CN210797254 U CN 210797254U CN 201921631295 U CN201921631295 U CN 201921631295U CN 210797254 U CN210797254 U CN 210797254U
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Abstract
The utility model belongs to the technical field of the bridge beam supports, specific saying relates to a novel power consumption support with cut response. The main technical scheme is as follows: the friction mechanism comprises an upper support plate component, a lower support plate component and a friction mechanism arranged between the upper support plate component and the lower support plate component, wherein the lower part of the upper support plate component is provided with a plurality of limiting plates connected through shearing response screws for restraining the displacement of the friction mechanism, and a hollow column cavity is formed inside the shearing response screws. This novel energy consumption support has the screw rod connected mode of inside and outside double-deck reverse screw thread, the sensitive and response of screw rod response shearing force is cut vice multidirectional motion and is realized subtracting the shock insulation, and cracked screw rod takes out the characteristics of the support later stage maintenance of being convenient for easily.
Description
Technical Field
The utility model belongs to the technical field of the bridge beam supports, specific saying relates to a novel power consumption support with cut response.
Background
The bridge support is used as a connecting pivot of an upper structure and a lower structure of a bridge, and can realize basic functions of a swing corner, sliding displacement, vertical bearing capacity and the like of the bridge. With the rapid development of bridge technology, the design of bridge supports is developed from common supports to anti-seismic supports, and from anti-seismic supports to seismic isolation and reduction supports. The existing seismic isolation and reduction support has various structural forms, seismic energy is consumed by shearing through the response of a bolt or a pin shaft, after the bolt or the pin shaft is sheared, a part of the bolt or the pin shaft is left in a support body, and how to take out the sheared bolt or the pin shaft ensures that the precision of the internal thread of an upper base plate after the bolt or the pin shaft is taken out becomes two problems of later support repairing.
Firstly, welding a steel bar on a cut section, and taking out a residual bolt or pin shaft by applying an acting force, wherein the method relates to a professional welding tool, is complex in field operation and is easy to damage the thread of the bolt; secondly, drilling a cut section, and taking out the cut section by using a tool such as a screw tap, wherein the method generates an interaction force in the drilling, so that the precision of a pin hole or a threaded hole at a connecting part is easy to damage; thirdly, the small chisel is obliquely supported on the shearing surface, and can be slowly taken out by tapping tools such as a hammer along the screwing-out direction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a screw rod connected mode, the sensitive and response of screw rod response shearing force of double-deck reverse screw thread cut off vice multidirectional motion of back friction and realize subtracting the shock insulation have inside and outside, and cracked screw rod takes out the novel power consumption support of the support later stage maintenance of being convenient for easily.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a novel power consumption support with cut response, includes upper bracket board subassembly, lower carriage board subassembly and sets up the friction mechanism between the two, its characterized in that: and the lower part of the upper support plate component is provided with a limiting plate connected through a plurality of shearing response screws for restraining the displacement of the friction mechanism, wherein the shearing response screws are internally provided with hollow column cavities.
The additional technical characteristics of the novel energy consumption support with the shearing response further comprise that:
-the surface of the hollow cylindrical cavity inside the shear responsive screw is provided with an internal thread, which is in the opposite direction to the external thread of the shear responsive screw;
-a plurality of said shear responsive screws are provided with annular grooves at the same level which respond to shear;
the lower surface of the upper support plate component is provided with a threaded hole matched with the external thread of the shearing response screw, the limiting plate is provided with an unthreaded hole or a threaded hole for the shearing response screw to penetrate through, a guide plate is arranged between the limiting plate and the upper support plate component, and the guide plate is provided with a through hole for the shearing response screw to penetrate through for balancing the simultaneous stress of the shearing response screws;
the friction mechanism comprises a horizontal sliding friction pair and a spherical rotating friction pair, wherein the horizontal sliding friction pair consists of an upper support plate assembly, a spherical lining plate and a planar wear-resisting plate between the upper support plate assembly and the spherical lining plate; the spherical rotary friction pair consists of a spherical lining plate, a lower support plate assembly and a spherical wear-resisting plate between the spherical lining plate and the lower support plate assembly.
Compared with the prior art, the utility model provides a novel power consumption support with cut response has following advantage: firstly, the lower part of the upper support plate component of the novel energy consumption support is provided with the limiting plates connected through the plurality of shearing response screws, so that the amount of exercise of the friction mechanism can be effectively restrained, the purpose of stabilizing the energy consumption support is achieved, the shearing response screws are internally provided with hollow cylindrical cavities, the connecting screws have vertical connecting force with enough strength, the support is prevented from being disconnected up and down, the horizontal direction can be responded in time to be shearing force, the screws are sheared when an earthquake occurs, the upper support plate component and the lower support plate component move relatively due to the friction mechanism, and the energy absorption and the isolation effect is excellent; secondly, because the hollow column cavity surface of cutting the inside response screw rod sets up the internal thread, the internal thread is opposite with the external screw thread direction of cutting the response screw rod, after the screw rod breaks, the shock insulation is subtracted through relative friction to the power consumption support, provide safety guarantee for the bridge, during support later stage maintenance, can insert the internal thread of the disconnected festival of leaving over in the upper bracket subassembly with the screwdriver, reverse rotation can take out it easily, time saving and high efficiency, do not harm the screw hole structure in the upper bracket board subassembly simultaneously, the cost of maintenance of power consumption support has been reduced, the life cycle of power consumption support has been improved.
Drawings
Fig. 1 is a schematic structural view of a novel energy-consuming support with a shearing response of the present invention;
fig. 2 is a partial schematic view of the installation of the shearing response screw of the novel energy consumption support.
Detailed Description
The structure and the working principle of the novel energy-consuming support with shearing response provided by the invention are further described in detail with reference to the accompanying drawings.
Referring to fig. 1, the structural schematic diagram of the novel energy-consuming support with shearing response provided by the present invention is shown. The structure that constitutes this novel power consumption support includes upper bracket board subassembly 1, lower carriage board subassembly 2 and sets up the friction mechanism between the two, and upper bracket board subassembly 1 lower part sets up through a plurality of limiting plates 5 of cutting response screw rod 4 and connecting for restraint friction mechanism's displacement, wherein, cuts response screw rod 4 inside and has hollow column chamber 6.
The working principle is as follows: the energy dissipation support can be applied to the field of bridges, an upper support plate component 1 of the energy dissipation support is arranged at the lower part of a beam body, the lower support plate component 2 is arranged on the end surface of a pier, a friction mechanism arranged between the upper support plate component (1) and the lower support plate component (2) realizes that the upper support plate component and the lower support plate component have equivalent movement amount, the lower part of the upper support plate component 1 is provided with a limiting plate 5 connected through a plurality of shearing response screw rods 4 to play a role of limiting the friction mechanism and prevent the supports from generating larger mutual movement, hollow cylindrical cavities 6 are arranged in the shearing response screw rods 4 to provide enough vertical connecting force, and when an earthquake occurs, the response shearing force is broken, so that the friction mechanism is not restricted by the limiting plate 5, the upper and lower support plate assemblies 2 can freely move relatively, therefore, the friction mechanism fully absorbs vibration energy, and the energy dissipation support has an outstanding seismic isolation and reduction function.
In the structure of the novel energy consumption support with the shearing response,
as shown in fig. 2, in order to facilitate maintenance of the support after an earthquake occurs, the surface of the hollow cylindrical cavity 6 inside the shear response screw 4 is provided with an internal thread 61, the direction of the internal thread 61 is opposite to that of the external thread 41 of the shear response screw 4, the shear response screw 4 which is broken is left in the upper support plate assembly 1, the hollow cylindrical cavity 6 inside the shear response screw 4 forms a channel for a screwdriver to insert into, and the internal thread 61 on the surface of the hollow cylindrical cavity 6 is opposite to that of the external thread 41 of the shear response screw 4, and after the screwdriver is rotated to insert a broken joint, the broken joint is continuously screwed to be rotationally detached from the threaded hole of the upper support plate assembly 1, so that the structure of the threaded hole and the internal thread precision are protected, the limit plate 5 is convenient to re-mount, the secondary;
preferably, the annular grooves 42 responding to shearing are arranged at the same horizontal height on the plurality of shearing responding screw rods 4, namely the annular grooves 42 form the weakest part of the section, so that the shearing responding screw rods 4 are stressed and responded to shearing on the same horizontal plane, the flatness of the section is ensured, the friction mechanism moves smoothly and unhindered when sliding horizontally or rotating in a spherical shape, and the effects of absorbing energy, absorbing shock and isolating vibration are better realized;
furthermore, in order to ensure that the plurality of shearing response screws 4 are sheared simultaneously, the lower surface of the upper support plate component 1 is provided with a threaded hole matched with the external thread 41 of the shearing response screw 4, the limiting plate 5 is provided with an unthreaded hole or a threaded hole for the shearing response screw 4 to penetrate through, a guide plate 7 is arranged between the limiting plate 5 and the upper support plate component 1, and the guide plate 7 is provided with a through hole for the shearing response screw 4 to penetrate through for balancing the simultaneous stress of the plurality of shearing response screws 4, namely, the plurality of shearing response screws 4 are sheared simultaneously in the shearing process, so that the synchronous shearing effect is realized, the friction mechanism can play the shock absorption and isolation functions in time, and the safety performance of the energy consumption support is improved;
in order to obtain better energy consumption effect, the friction mechanism realizes relative motion in multiple directions and angles, the friction mechanism comprises a horizontal sliding friction pair 31 and a spherical rotating friction pair 32, and the horizontal sliding friction pair 31 is composed of an upper support plate component 1, a spherical lining plate 8 and a plane wear-resisting plate 91 between the two components; the spherical rotary friction pair 32 is composed of a spherical lining plate 8, a lower support plate component 2 and a spherical wear-resisting plate 92 between the spherical lining plate 8 and the lower support plate component 2, namely after the shearing response screw rod 4 is cut off, the limiting plate 5 fails to be separated from the upper support plate component 1, the horizontal sliding friction pair 31 and the spherical rotary friction pair 32 respectively realize sliding in the horizontal direction, swinging in the vertical direction and multi-direction and angle relative displacement rotating along the axial direction, and the friction mechanism fully exerts the effects of absorbing and consuming vibration energy, absorbing shock and isolating vibration by means of damping friction.
Claims (5)
1. The utility model provides a novel power consumption support with cut response, includes upper bracket board subassembly, lower carriage board subassembly and sets up the friction mechanism between the two, its characterized in that: and the lower part of the upper support plate component is provided with a limiting plate connected through a plurality of shearing response screws for restraining the displacement of the friction mechanism, wherein the shearing response screws are internally provided with hollow column cavities.
2. The new energy dissipating mount in claim 1, wherein: and the surface of a hollow column cavity in the shearing response screw is provided with an internal thread, and the direction of the internal thread is opposite to that of the external thread of the shearing response screw.
3. The new energy dissipating mount in claim 1, wherein: and annular grooves which respond to shearing are arranged at the same horizontal height on the plurality of shearing responding screw rods.
4. The new energy dissipating mount in claim 1, wherein: the lower surface of the upper support plate component is provided with a threaded hole matched with the external thread of the shearing response screw, the limiting plate is provided with a unthreaded hole or a threaded hole for the shearing response screw to penetrate through, a guide plate is arranged between the limiting plate and the upper support plate component, and the guide plate is provided with a through hole for the shearing response screw to penetrate through and is used for balancing a plurality of shearing response screws to bear force simultaneously.
5. The new energy consuming mount with shear response as claimed in any one of claims 1 to 4, wherein: the friction mechanism comprises a horizontal sliding friction pair and a spherical rotating friction pair, and the horizontal sliding friction pair consists of an upper support plate assembly, a spherical lining plate and a planar wear-resisting plate between the upper support plate assembly and the spherical lining plate; the spherical rotary friction pair consists of a spherical lining plate, a lower support plate assembly and a spherical wear-resisting plate between the spherical lining plate and the lower support plate assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631295.7U CN210797254U (en) | 2019-09-28 | 2019-09-28 | Novel energy-consuming support with shearing response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921631295.7U CN210797254U (en) | 2019-09-28 | 2019-09-28 | Novel energy-consuming support with shearing response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210797254U true CN210797254U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921631295.7U Active CN210797254U (en) | 2019-09-28 | 2019-09-28 | Novel energy-consuming support with shearing response |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210797254U (en) |
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2019
- 2019-09-28 CN CN201921631295.7U patent/CN210797254U/en active Active
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Address after: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee after: Zhongyu Tiexin Transportation Technology Co.,Ltd. Address before: 053000 Hengshui city of Hebei Province North Taocheng District industrial base rubber road No. 1 Patentee before: HENGSHUI ZHONGTIEJIAN ENGNIEERING RUBBER Co.,Ltd. |