Intelligent monitoring lead core rubber support

Abstract

The utility model provides an intelligent monitoring lead core rubber support, which relates to the technical field of shock insulation devices, and specifically comprises a connecting assembly, a core body assembly and a force measuring device, a first connecting plate, the core body assembly and a second connecting plate are sequentially arranged from bottom to top to form a main body stress structure of the support, and the force measuring device is arranged on the connecting assembly. The vertical load measuring assembly can measure the bearing pressure of the second connecting plate, monitoring of the vertical load of the intelligent monitoring lead core rubber support is achieved, the horizontal displacement measuring assembly monitors horizontal relative displacement in real time, and therefore horizontal displacement data between the second connecting plate and the first connecting plate is obtained. The residual deformation of the intelligent monitoring lead-core rubber support is calculated by calculating the residual deformation of the intelligent monitoring lead-core rubber support, manual regular inspection of the intelligent monitoring lead-core rubber support is not needed, real-time monitoring of dynamic performance changes of the intelligent monitoring lead-core rubber support can be achieved, and when an earthquake causes deformation of the intelligent monitoring lead-core rubber support, the deformation of the intelligent monitoring lead-core rubber support is avoided. The residual deformation can be reflected through the horizontal displacement, the post-earthquake residual deformation is quantified, and the efficiency and precision of post-disaster evaluation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shock insulation device, specifically, relate to an intelligent monitoring lead rubber bearing. BACKGROUND

[0002] The monitoring lead rubber bearing (LRB) is a kind of shock insulation bearing widely used in bridge, building and other structures.The core working principle of lead rubber bearing is to realize the isolation and consumption of energy by the elastic restoring force of rubber and the plastic deformation of lead core, which can not only provide effective shock insulation function, but also absorb and dissipate energy under strong earthquake, reduce the damage of earthquake to building, thereby improving the seismic capacity and safety of structure.Lead rubber bearing as a key component in shock insulation design, its performance directly affects the performance of bridge, building and other structures in earthquake.

[0003] However, the traditional lead rubber bearing relies on artificial periodic inspection, cannot monitor dynamic performance change in real time, and the bearing horizontal force and bearing residual deformation caused by earthquake are difficult to accurately quantify by appearance inspection, and post-earthquake residual deformation is difficult to quantify, which affects post-disaster evaluation efficiency and structural safety. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of intelligent monitoring lead rubber bearing to alleviate the technical problem of intelligent monitoring lead rubber bearing in prior art relying on artificial periodic inspection, cannot monitor dynamic performance change in real time, post-earthquake residual deformation is difficult to quantify, and affects post-disaster evaluation efficiency and structural safety.

[0005] The utility model provides a kind of intelligent monitoring lead rubber bearing, including connecting assembly, core body component and force measuring device, connecting assembly includes the first connecting plate and the second connecting plate being spaced apart and parallel along vertical direction, the second connecting plate is located above the first connecting plate and is used to carry;Core body component is located at the first connecting plate and is located between the first connecting plate and the second connecting plate, to support the second connecting plate;Force measuring device is located at the connecting assembly, and includes vertical load measuring assembly and horizontal displacement measuring assembly, the vertical load measuring assembly is used to measure the pressure carried on the second connecting plate, and the horizontal displacement measuring assembly is used to measure the relative displacement between the first connecting plate and the second connecting plate in horizontal direction.

[0006] Further, the vertical load measuring assembly includes weight sensor;The weight sensor has two and is respectively located between the core body component and the first connecting plate, between the core body component and the second connecting plate.

[0007] Further, the horizontal displacement measuring assembly comprises horizontal pressure sensors and a spiral spring; the horizontal pressure sensors are multiple and comprise a first horizontal sensor and a second horizontal sensor, the first horizontal sensor is arranged on the first connecting plate, the second horizontal sensor is arranged on the second connecting plate, and the measuring ends of the first horizontal sensor and the second horizontal sensor are arranged opposite to each other; the two ends of the spiral spring are connected to the measuring ends of the first horizontal sensor and the second horizontal sensor respectively, and the spiral spring is arranged parallel to the first connecting plate.

[0008] Further, one first horizontal sensor, one second horizontal sensor and one spiral spring form a measuring unit; the measuring units are multiple and arranged along the circumference of the core assembly, and the multiple measuring units enclose the core assembly.

[0009] Further, the measuring units are four; the four measuring units are arranged in a rectangular shape.

[0010] Further, the horizontal pressure sensor is a fiber Bragg grating pressure sensor.

[0011] Further, the intelligent monitoring lead rubber bearing further comprises a data acquisition unit; the data acquisition unit is electrically connected to the weight sensor and the horizontal pressure sensor to receive real-time data of the weight sensor and the horizontal pressure sensor.

[0012] Further, the data acquisition unit is arranged between the first connecting plate and the second connecting plate; the data acquisition unit is multiple and comprises a first acquisition unit and a second acquisition unit; the first acquisition unit is arranged on the first connecting plate and spaced apart from the second connecting plate, and the first horizontal sensor is arranged on the first acquisition unit; the second acquisition unit is arranged on the second connecting plate and spaced apart from the first connecting plate, and the second horizontal sensor is arranged on the second acquisition unit.

[0013] Further, the data acquisition unit has a data interface; the data interface is used for plugging a wire for data transmission.

[0014] Further, the core assembly comprises a lead core and a rubber stack; the lead core is arranged between the first connecting plate and the second connecting plate; and the rubber stack is arranged outside the lead core.

[0015] Advantages:

[0016] The utility model provides a kind of intelligent monitoring lead core rubber bearing, it includes: connecting component, core component and force measuring device, specifically, first connecting plate, core component and second connecting plate are sequentially arranged from bottom to top to form the main body stress structure of support, force measuring device is arranged on connecting component, vertical load measuring component can measure the bearing pressure of second connecting plate, realize the monitoring of vertical load of intelligent monitoring lead core rubber bearing, simultaneously, horizontal displacement measuring component real-time monitoring horizontal relative displacement, to obtain the horizontal displacement data between second connecting plate and first connecting plate, to calculate the residual deformation of intelligent monitoring lead core rubber bearing, without being checked periodically to intelligent monitoring lead core rubber bearing by artificial, the real-time monitoring of dynamic performance change of intelligent monitoring lead core rubber bearing can be realized, when intelligent monitoring lead core rubber bearing is deformed by earthquake, residual deformation can be reflected by horizontal displacement amount, post-earthquake residual deformation is quantified, improve the efficiency and accuracy of post-disaster assessment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0018] Figure 1 The three-dimensional structure schematic diagram of intelligent monitoring lead core rubber bearing provided by the embodiment of the utility model is shown in the figure.

[0019] Figure 2 The side view structure schematic diagram of intelligent monitoring lead core rubber bearing provided by the embodiment of the utility model is shown in the figure.

[0020] Figure 3 The vertical direction section structure schematic diagram of intelligent monitoring lead core rubber bearing provided by the embodiment of the utility model is shown in the figure.

[0021] Figure 4 The horizontal direction section structure schematic diagram of intelligent monitoring lead core rubber bearing provided by the embodiment of the utility model is shown in the figure.

[0022] Icon:

[0023] 1-second connecting plate;2-first connecting plate;3-core component;4-lead core;5-data acquisition unit;6-horizontal pressure sensor;7-weight sensor;8-spiral spring;9-wire;10-data interface. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0026] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", etc. do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The utility model discloses make further detailed description below through specific embodiment and in conjunction with the drawings.

[0031] Reference Figures 1 to 4 The lead core 4 rubber support provided by the embodiment comprises a connecting assembly, a core body assembly 3 and a force measuring device.

[0032] The connecting assembly comprises a first connecting plate 2 and a second connecting plate 1 which are spaced apart and arranged in parallel along the vertical direction, and the second connecting plate 1 is located above the first connecting plate 2 and is used for bearing. The core body assembly 3 is arranged on the first connecting plate 2 and located between the first connecting plate 2 and the second connecting plate 1 to support the second connecting plate 1. The force measuring device is arranged on the connecting assembly and comprises a vertical load measuring assembly and a horizontal displacement measuring assembly. The vertical load measuring assembly is used for measuring the pressure borne by the second connecting plate 1, and the horizontal displacement measuring assembly is used for measuring the relative displacement between the first connecting plate 2 and the second connecting plate 1 in the horizontal direction.

[0033] In the embodiment, the first connecting plate 2 of the lead core 4 rubber support bears the building structure or the heavy object. When subjected to vibration, the first connecting plate 2 and the second connecting plate 1 are relatively displaced. The first connecting plate 2, the core body assembly 3 and the second connecting plate 1 are sequentially arranged from bottom to top to form the main force structure of the support. The core body assembly 3 provides restoring force through the elastic deformation of the rubber stack, and at the same time, the lead core 4 of the core body assembly 3 consumes vibration energy.

[0034] In addition, the force measuring device in the embodiment is arranged on the connecting assembly. The vertical load measuring assembly can measure the bearing pressure of the second connecting plate 1 to realize the monitoring of the vertical load of the lead core 4 rubber support. At the same time, the horizontal displacement measuring assembly monitors the horizontal relative displacement in real time, so as to obtain the horizontal displacement data between the second connecting plate 1 and the first connecting plate 2 to calculate the residual deformation of the lead core 4 rubber support.

[0035] The lead core 4 rubber support provided by the embodiment does not need to be checked regularly by artificial, can realize the real-time monitoring of the dynamic performance change of the lead core 4 rubber support, and can reflect the residual deformation through the horizontal displacement amount when the lead core 4 rubber support is deformed due to the earthquake, so that the post-earthquake residual deformation can be quantified, and the efficiency and accuracy of post-disaster evaluation are improved.

[0036] In the embodiment, the vertical load measuring assembly comprises a weight sensor 7. The weight sensor 7 has two and is arranged between the core body assembly 3 and the first connecting plate 2 and between the core body assembly 3 and the second connecting plate 1 respectively.

[0037] Two weight sensors 7 are arranged on the upper and lower sides of the core assembly 3 respectively, when the second connecting plate 1 bears the load, the lead core 4 in the lead core 4 assembly is compressed and deformed, the pressure difference of the upper and lower weight sensors 7 reflects the plastic deformation degree of the lead core 4, and the sum of the weights detected by the two weight sensors 7 is the total load borne in the vertical direction.

[0038] In the embodiment, the horizontal displacement measurement assembly includes a horizontal pressure sensor 6 and a spiral spring 8. The horizontal pressure sensor 6 has a plurality of and includes a first horizontal sensor and a second horizontal sensor, the first horizontal sensor is arranged on the first connecting plate 2, and the second horizontal sensor is arranged on the second connecting plate 1, and the measurement ends of the first horizontal sensor and the second horizontal sensor are oppositely arranged. The two ends of the spiral spring 8 are connected with the measurement ends of the first horizontal sensor and the second horizontal sensor respectively, and the spiral spring 8 is arranged in parallel with the first connecting plate 2.

[0039] The two ends of the spiral spring 8 in the embodiment are connected with the first horizontal sensor and the second sensor respectively, when the displacement between the first connecting plate 2 and the second connecting plate 1 occurs, the displacement can be calculated through the tensile deformation of the spiral spring 8, and the horizontal residual deformation can be calculated based on the horizontal load measured by the first horizontal sensor and the second horizontal sensor.

[0040] Specifically, the elastic stiffness of the spiral spring 8 in the embodiment is K, and the indications of the first horizontal sensor and the second horizontal sensor are the same and are denoted as F, under this condition, the horizontal residual deformation D of the lead core 4 rubber support provided in the embodiment is F / K.

[0041] In the embodiment, one first horizontal sensor, one second horizontal sensor and one spiral spring 8 form a measurement unit. The measurement units are arranged along the circumference of the core assembly 3, and the plurality of measurement units enclose the core assembly 3.

[0042] The plurality of measurement units are connected in sequence and enclose the core assembly 3, under this structure, the precise detection of the displacement of all angles can be realized, and the detection accuracy is ensured.

[0043] Specifically, in the embodiment, the measurement units are four. The four measurement units are arranged in a rectangular shape.

[0044] Among them, the four units constitute two groups of orthogonal measurement baselines, and the four measurement units are arranged in a rectangular shape (0°, 90°, 180°, 270°) to form a measurement coordinate system, so as to facilitate data collection and simplify data processing.

[0045] In the embodiment, the horizontal pressure sensor 6 is an optical fiber grating pressure sensor.

[0046] The fiber grating sensor is an advanced sensing technology based on fiber Bragg grating, and the high-precision measurement of various physical quantities such as temperature and strain is realized by detecting the change of light wavelength. The traditional resistance sensor is easy to be disturbed by electromagnetic interference and has large long-term drift. In the embodiment, the fiber grating sensor is used to improve the stability of long-term monitoring.

[0047] In the embodiment, the lead core 4 rubber support also includes a data acquisition unit 5. The data acquisition unit 5 is electrically connected with the weight sensor 7 and the horizontal pressure sensor 6 to receive real-time data of the weight sensor 7 and the horizontal pressure sensor 6.

[0048] The data acquisition unit 5 can synchronously collect and process the data of multiple sensors (the weight sensor 7, the first horizontal sensor, and the second horizontal sensor), thereby constructing a real-time monitoring system and realizing data fusion and analysis.

[0049] In the embodiment, the data acquisition unit 5 is arranged between the first connecting plate 2 and the second connecting plate 1. The data acquisition unit 5 includes multiple first acquisition units and second acquisition units. The first acquisition unit is arranged on the first connecting plate 2 and is spaced apart from the second connecting plate 1, and the first horizontal sensor is arranged on the first acquisition unit. The second acquisition unit is arranged on the second connecting plate 1 and is spaced apart from the first connecting plate 2, and the second horizontal sensor is arranged on the second acquisition unit.

[0050] In combination with Figure 1 , Figure 2 and Figure 3 , in the embodiment, two first acquisition units are symmetrically arranged on the bottom surface of the first connecting plate 2, and the two data acquisition units 5 are symmetrically arranged to balance the weight. Correspondingly, two second acquisition units are symmetrically arranged on the top surface of the second connecting plate 1, and the two first acquisition units and the two second acquisition units are spaced apart and arranged in a rectangular distribution.

[0051] In addition, in the embodiment, the first horizontal sensor is arranged on two adjacent sides of the first acquisition unit, and the second horizontal sensor is arranged on two adjacent sides of the second acquisition unit. The first horizontal sensor on the first acquisition unit is opposite to the second horizontal sensor on the second acquisition unit and is connected through the helical spring 8, thereby realizing the measurement of the tensile force of the helical spring 8.

[0052] Specifically, in the embodiment, the first horizontal sensor has four, and two first horizontal sensors are arranged on each first acquisition unit. Similarly, in the embodiment, the second horizontal sensor has four, and two second horizontal sensors are arranged on each second acquisition unit.

[0053] In addition, in the embodiment, the data acquisition unit 5 has a data interface 10. The data interface 10 is used for plugging the lead 9 to perform data transmission.

[0054] The data interface 10 in the embodiment is used for connecting data lines to transmit the data collected by the data collection unit 5 to a control terminal such as a computer. In addition, the data interface 10 in the embodiment conforms to the IEC60603-7 standard, ensures anti-vibration connection through a locking connector, supports hot plug replacement, and uses a bending-resistant shielded twisted pair wire as the wire 9.

[0055] In the embodiment, the core assembly 3 includes a lead core 4 and a rubber stack. The lead core 4 is arranged between the first connecting plate 2 and the second connecting plate 1. The rubber stack is arranged outside the lead core 4.

[0056] Specifically, when the lead core 4 rubber support provided in the embodiment is subjected to vibration, the first connecting plate 2 and the second connecting plate 1 are relatively displaced. The elastic deformation of the rubber stack and the storage of potential energy provide a counterforce as a restoring force, and at the same time, the lead core 4 of the core assembly 3 is deformed to consume the vibration energy, thereby reducing the vibration suffered by the articles carried on the first connecting plate 2.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An intelligent monitoring lead-core rubber support, characterized in that, include: The connecting assembly includes a first connecting plate (2) and a second connecting plate (1) arranged vertically spaced and parallel to each other, wherein the second connecting plate (1) is located above the first connecting plate (2) and is used for bearing. The core assembly (3) is disposed on the first connecting plate (2) and located between the first connecting plate (2) and the second connecting plate (1) to support the second connecting plate (1); A force measuring device is provided on the connecting assembly and includes a vertical load measuring assembly and a horizontal displacement measuring assembly. The vertical load measuring assembly is used to measure the pressure borne on the second connecting plate (1), and the horizontal displacement measuring assembly is used to measure the relative displacement between the first connecting plate (2) and the second connecting plate (1) in the horizontal direction.

2. The intelligent monitoring lead-core rubber support according to claim 1, characterized in that, The vertical load measuring component includes a weight sensor (7); There are two weight sensors (7), which are respectively located between the core assembly (3) and the first connecting plate (2) and between the core assembly (3) and the second connecting plate (1).

3. The intelligent monitoring lead-core rubber support according to claim 2, characterized in that, The horizontal displacement measuring assembly includes a horizontal pressure sensor (6) and a helical spring (8); The horizontal pressure sensor (6) has multiple components, including a first horizontal sensor and a second horizontal sensor. The first horizontal sensor is disposed on the first connecting plate (2), and the second horizontal sensor is disposed on the second connecting plate (1). The measuring ends of the first horizontal sensor and the second horizontal sensor are arranged opposite to each other. The two ends of the helical spring (8) are respectively connected to the measuring end of the first horizontal sensor and the measuring end of the second horizontal sensor, and the helical spring (8) is arranged parallel to the first connecting plate (2).

4. The intelligent monitoring lead-core rubber support according to claim 3, characterized in that, A first level sensor, a second level sensor, and a helical spring (8) form a measuring unit; The measuring units are multiple and arranged circumferentially along the core assembly (3), and the multiple measuring units enclose the core assembly (3).

5. The intelligent monitoring lead-core rubber support according to claim 4, characterized in that, There are four measurement units; The four measurement units are arranged in a rectangular configuration.

6. The intelligent monitoring lead-core rubber support according to claim 3, characterized in that, The horizontal pressure sensor (6) is a fiber optic grating pressure sensor.

7. The intelligent monitoring lead-core rubber support according to claim 3, characterized in that, The intelligent monitoring lead core rubber support also includes a data acquisition unit (5); The data acquisition unit (5) is electrically connected to the weight sensor (7) and the horizontal pressure sensor (6) to receive real-time data from the weight sensor (7) and the horizontal pressure sensor (6).

8. The intelligent monitoring lead-core rubber support according to claim 7, characterized in that, The data acquisition unit (5) is located between the first connecting plate (2) and the second connecting plate (1); The data acquisition unit (5) has multiple units and includes a first acquisition unit and a second acquisition unit; The first acquisition unit is disposed on the first connecting plate (2) and spaced apart from the second connecting plate (1), and the first horizontal sensor is disposed on the first acquisition unit; The second acquisition unit is disposed on the second connecting plate (1) and spaced apart from the first connecting plate (2), and the second horizontal sensor is disposed on the second acquisition unit.

9. The intelligent monitoring lead-core rubber support according to claim 7, characterized in that, The data acquisition unit (5) has a data interface; The data interface is used to connect wires (9) for data transmission.

10. The intelligent monitoring lead-core rubber support according to any one of claims 1-8, characterized in that, The core assembly (3) includes a lead core (4) and a rubber laminate; The lead core (4) is disposed between the first connecting plate (2) and the second connecting plate (1); The rubber layer is arranged around the outside of the lead core (4).

Images