On-line monitoring device for counter-force balance state of large-tonnage support in cantilever construction

Abstract

The utility model relates to the technical field of bridge construction large-tonnage support monitoring, in particular to a cantilever construction large-tonnage support counter-force balance state on-line monitoring device which comprises a support balance monitoring assembly and a signal receiving terminal. The four corners of the beam body and the four corners of the abutment are all provided with inward concave corners, and the inner sides of the inward concave corners are provided with fixing lug plates. According to the utility model, the four groups of gravity sensors are arranged, so that the external load borne by the support can be monitored in real time, and the external load comprises the magnitude, the direction and the action point of the force; on the basis of the balance principle of applied force (that is, the resultant force of the support in the direction of the external load must be zero, and the algebraic sum of all forces in the vertical direction must be zero), when the detection values of the four groups of gravity sensors are not uniform or deviate from a correct value interval, the gravity sensor is started; and the information is transmitted to a worker through the signal receiving terminal for on-site inspection.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction big tonnage support monitoring technical field, concretely is a kind of cantilever construction big tonnage support counterforce balance state on-line monitoring device. BACKGROUND

[0002] Cantilever construction method refers to the working platform being set on the both sides of pier, balanced section by section cantilever pouring or assembling beam segment to midspan, until the construction method of bridge span structure closure, in structural mechanics, support counterforce refers to the counterforce of support to structure.

[0003] 329 span bridge left and right amplitude continuous beam bridge upper structure uses support cast-in-place section by section construction+hang basket cantilever pouring section by section construction, bridge is adjacent to coast, typhoon is much, main pier support tonnage is big, it is very difficult to replace during bridge operation, so bridge design puts forward higher requirement to service life of support, so it needs to be on-line monitored to support counterforce balance state during use, to understand support balance data and ensure the balance of support.

[0004] Therefore, it is particularly important to design a cantilever construction large tonnage support counterforce balance state on-line monitoring device to change the above technical defects and improve the overall practicality. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a kind of cantilever construction large tonnage support counterforce balance state on-line monitoring device to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of cantilever construction large tonnage support counterforce balance state on-line monitoring device, including support balance monitoring component and signal receiving terminal, the support balance monitoring component includes beam body, pier and rubber support column, the four corners of beam body and pier are all inwardly provided with inner recessed corner, the inner side of inner recessed corner is installed with fixed lug plate, the position of inner recessed corner is provided with monitoring corner block, the outer side of monitoring corner block and towards the side of inner recessed corner is installed with movable lug plate, the inside of fixed lug plate and movable lug plate is all provided with the assembly screw hole of position corresponding, the two groups of monitoring corner block in the same position are respectively installed with gravity sensor on top surface and bottom surface, the two groups of monitoring corner block in the same position are respectively installed with infrared position receiver and infrared position emitter on inner side.

[0008] As the preferred scheme of the utility model, the controller is installed on the outer side of the beam body, wherein the controller is connected with the gravity sensor, the infrared position receiver and the infrared position transmitter through wires, and the connection mode is electrical connection, wherein the controller and the signal receiving terminal are wirelessly transmitted through the 5G wireless communication protocol, the controller is electrically connected on the power supply circuit or the storage battery through wires, the signal receiving terminal is a desktop computer or a computer notebook, and the signal receiving terminal is internally provided with an alarm unit and a temperature threshold auditing unit.

[0009] As the preferred scheme of the utility model, the fixed ear plate and the fixed ear plate are designed as fold-shaped structures.

[0010] As the preferred scheme of the utility model, the monitoring corner block is designed as a square structure, and the monitoring corner block and the inner recessed corner are designed as a separable structure.

[0011] As the preferred scheme of the utility model, the two groups of position corresponding assembly screw holes are fixedly connected through assembly bolts.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the four groups of gravity sensors can be used to monitor the external load borne by the support in real time, including the size, direction and action point of force, based on the balance principle of force (i.e. the resultant force of the support in the direction of the external load borne must be zero, and the algebraic sum of all forces in the vertical direction must be zero), when the detection values of the four groups of gravity sensors are not unified or deviate from the correct value interval, the detection values can be monitored in the first time and transmitted to the staff through the signal receiving terminal for on-site inspection, and when a problem occurs in a gravity sensor, the gravity sensor can be replaced, and the upper and lower two groups of monitoring corner blocks can also be self-inspected in position through the infrared position receiver and the infrared position transmitter, so that the displacement of the monitoring corner blocks in the inner recessed corner is avoided, and the monitoring accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a system framework structure schematic view of the utility model;

[0015] Figure 2 It is a support balance monitoring assembly structure view of the utility model;

[0016] Figure 3 It is a monitoring corner block and inner recessed corner separation state structure view of the utility model;

[0017] Figure 4 It is a monitoring corner block structure view of the utility model.

[0018] In the figure: 1, support balance monitoring assembly; 2, signal receiving terminal; 3, beam body; 4, pier; 5, rubber support column; 6, inner recessed corner; 601, fixed lug plate; 602, monitoring corner block; 603, movable lug plate; 604, assembly screw hole; 605, gravity sensor; 606, infrared position receiver; 607, infrared position transmitter. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below in combination with relevant drawings, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are merely for purposes of illustration.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] Embodiment, please see Figures 1-4 The utility model provides a technical scheme:

[0024] A kind of cantilever construction large-tonnage support counterforce balance state on-line monitoring device, including support balance monitoring assembly 1 and signal receiving terminal 2, signal receiving terminal 2 can simultaneously to array support balance monitoring assembly 1 carry out synchronous monitoring, support balance monitoring assembly 1 includes beam body 3, pier 4 and rubber support column 5, beam body 3 and the four corners of pier 4 are all opened with inner recessed corner 6 inward.

[0025] In this embodiment, please refer to Figure 2 and Figure 3 and Figure 4 The inner side of the inner corner 6 is provided with a fixed lug plate 601, and the position of the inner corner 6 is provided with a monitoring corner block 602, one side of the outer side of the monitoring corner block 602 and facing the inner corner 6 is provided with a movable lug plate 603, the inside of the fixed lug plate 601 and the movable lug plate 603 is provided with a corresponding assembly screw hole 604, two groups of monitoring corner blocks 602 at the same position are respectively provided with a gravity sensor 605 on the top surface and the bottom surface, and the two groups of monitoring corner blocks 602 at the same position are respectively provided with an infrared position receiver 606 and an infrared position transmitter 607 on the inner side surface; the two groups of monitoring corner blocks 602 can also be self-checked in position through the infrared position receiver 606 and the infrared position transmitter 607, so as to avoid displacement of the monitoring corner block 602 in the inner corner 6;

[0026] The outer side of the beam body 3 is provided with a controller, the controller is connected between the gravity sensor 605, the infrared position receiver 606 and the infrared position transmitter 607 through wires, and the connection mode is electrical connection, the controller is wirelessly transmitted between the signal receiving terminal 2 through a 5G wireless communication protocol, the controller is electrically connected on a power supply circuit or a battery through wires, the signal receiving terminal 2 is a desktop computer or a computer notebook, the signal receiving terminal 2 is internally provided with an alarm unit and a temperature threshold review unit, the fixed lug plate 601 and the movable lug plate 603 are designed in a folded shape, the monitoring corner block 602 is designed in a square shape, and the monitoring corner block 602 and the inner corner 6 are designed in a separable structure, and the two groups of position corresponding assembly screw holes 604 are fixedly connected through assembly bolts.

[0027] The working process of the utility model: four groups of gravity sensors 605 arranged on the top of the beam body 3 and the bottom of the pier 4 can monitor the external load borne by the support in real time, including the size, direction and action point of the force, based on the balance principle of the applied force (i.e. the resultant force of the support in the direction of the external load borne must be zero, and the algebraic sum of all vertical forces must be zero), when the detection values of the four groups of gravity sensors 605 are not uniform or deviate from the correct value interval, the monitoring corner block 602 can be disassembled from the inner corner 6 in the first time, and the movable lug plate 603 and the fixed lug plate 601 are installed, the rapid replacement is completed, the two groups of monitoring corner blocks 602 can also be self-checked in position through the infrared position receiver 606 and the infrared position transmitter 607, so as to avoid displacement of the monitoring corner block 602 in the inner corner 6, thereby improving the accuracy of monitoring.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An online monitoring device for the reaction balance state of a large-tonnage support in cantilever construction, comprising a support balance monitoring component (1) and a signal receiving terminal (2), characterized in that: The support balance monitoring assembly (1) comprises a beam body (3), a pier (4) and a rubber support (5); the four corners of the beam body (3) and the pier (4) are each provided with an inwardly facing concave corner (6); a fixed ear plate (601) is installed on the inner side of the concave corner (6); a monitoring corner block (602) is provided at the position of the concave corner (6); a movable ear plate (603) is installed on the outer side of the monitoring corner block (602) and on the side facing the concave corner (6); the interiors of the fixed ear plate (601) and the movable ear plate (603) are each provided with corresponding assembly screw holes (604); two groups of the monitoring corner blocks (602) at the same upper and lower positions are respectively provided with gravity sensors (605) on the top and bottom surfaces; and the two groups of the monitoring corner blocks (602) at the same upper and lower positions are respectively provided with infrared position receivers (606) and infrared position transmitters (607) on the inner side surfaces.

2. The device for online monitoring the reaction balance state of a large-tonnage support in cantilever construction according to claim 1 is characterized in that: A controller is installed on the outside of the beam body (3), wherein the controller is connected to the gravity sensor (605), the infrared position receiver (606), and the infrared position transmitter (607) respectively through wires, and the connection method is electrical connection, wherein wireless transmission is performed between the controller and the signal receiving terminal (2) through the 5G wireless communication protocol, and the controller is electrically connected to the power supply circuit or the battery through the wires, and the signal receiving terminal (2) is a desktop computer or a laptop computer, and an alarm unit and a temperature threshold review unit are provided inside the signal receiving terminal (2).

3. The device for online monitoring the reaction balance state of a large-tonnage support in cantilever construction according to claim 1 is characterized in that: The fixed ear plates (601) are both designed as folding structures.

4. The device for online monitoring the reaction balance state of a large-tonnage support in cantilever construction according to claim 1 is characterized in that: The monitoring corner block (602) is designed as a square structure, and the monitoring corner block (602) and the concave corner (6) are designed as a detachable structure.

5. The device for online monitoring the reaction balance state of a large-tonnage support in cantilever construction according to claim 1 is characterized in that: The two groups of corresponding assembly screw holes (604) are fixedly connected by assembly bolts.

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