Deformation monitoring device of self-balancing type bent cap bracket

Abstract

The utility model discloses a deformation monitoring device of a self-balancing type bent cap bracket, which belongs to the technical field of building construction, and adopts the technical scheme that the deformation monitoring device of the self-balancing type bent cap bracket is characterized by comprising six surface vibrating wire type strain gauges and six 360-degree Leica small prisms, the surface vibrating wire strain gauges are respectively arranged on the upper end surfaces of the outer ends of the four triangular brackets located at the outermost layer and the middle positions of the upper end surfaces of the two middle brackets located at the outermost layer; the 360-degree Leica small prisms and the surface vibrating wire strain gauges are in one-to-one correspondence and are arranged on the outer side surfaces of the same triangular bracket and the middle brackets; the total station is matched with the 360-degree Leica small prism; and the vibrating wire acquisition instrument is used for receiving a signal of the surface vibrating wire strain gauge. The self-balancing type deformation monitoring device for the bent cap bracket has the beneficial effect that the self-balancing type deformation monitoring device for the bent cap bracket is provided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, in particular to a deformation monitoring device of self-balanced bent cap bracket. BACKGROUND

[0002] Self-balanced bent cap bracket generally includes a plurality of intermediate supports arranged between two piers and a plurality of triangular supports arranged outside the piers. After the erection of the supports, in order to ensure the reliability of the support structure and understand the elastic deformation of the support in the beam construction, as well as eliminate the inelastic deformation of the support, the elastic deformation of the bracket is obtained, so as to practice the theoretical value of the elastic deformation of the bracket, and obtain reliable preloading data to guide the construction, so as to ensure that the bent cap meets the design shape size and deflection requirements after pouring concrete. Before pouring the bent cap concrete, the load test of the bent cap bracket must be carried out. The conventional settlement observation adopts a level gauge, which is arranged on the bent cap bottom die and observed during the preloading stage. However, it cannot achieve all-weather observation, and the observation personnel need to climb to observe, which has high safety risk. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a deformation monitoring device of self-balanced bent cap bracket.

[0004] The utility model is realized through the following measures: a deformation monitoring device of self-balanced bent cap bracket, characterized by comprising six surface vibrating wire strain gauges and six 360° Leica small prisms, the surface vibrating wire strain gauges are arranged on the upper end faces of the outer ends of the four triangular supports in the outermost layer and the middle positions of the upper end faces of the two intermediate supports in the outermost layer respectively, and the 360° Leica small prisms correspond to the surface vibrating wire strain gauges one by one and are arranged on the outer side faces of the same triangular supports and intermediate supports.

[0005] Further comprising a total station cooperating with the 360° Leica small prisms and a vibrating wire acquisition instrument receiving the signals of the surface vibrating wire strain gauges.

[0006] The 360° Leica small prisms can reflect back to the prism center position in any direction, and are generally arranged beside the surface vibrating wire strain gauges.

[0007] Further, the mounting frame of the surface vibrating wire strain gauges and the 360° Leica small prisms is further included.

[0008] The mounting frame comprises an inverted U-shaped steel plate welded on the support, a surface vibrating wire strain gauge mounting port is opened in the middle position of the U-shaped steel plate, the surface vibrating wire strain gauge is placed in the mounting port and the lower end face is in contact with the upper end face of the support, a cover plate covering the surface vibrating wire strain gauge is fixedly arranged on the U-shaped steel plate, and a plurality of screws are arranged on the cover plate and penetrate the surface vibrating wire strain gauge through threaded connection and are supported on the surface vibrating wire strain gauge.

[0009] The outer side of the U-shaped steel plate is fixedly provided with a mounting plate, and the 360° Leica small prism is arranged on the mounting plate through bolt connection.

[0010] Further, the total station is of a model with Bluetooth, and the total station is connected with the mobile phone through Bluetooth.

[0011] Further, the vibration string collector is of a model with wireless transmission function.

[0012] Further, the total station can be RTS112SR5 of Su Yigu or TTS-112R10M of Xing Ruida.

[0013] Further, the vibration string collector is MAS-VWLog-xx multi-channel vibration string collector or CK-MCU-550 collector of Chuangke.

[0014] Usage;

[0015] Six surface vibration string strain gauges and six 360° Leica small prisms are installed at designated positions through the mounting frame, the FTP service is started through the local area network during monitoring, the total station is connected with the mobile phone through Bluetooth, the measurement data of the Leica total station are acquired by the mobile phone, the measurement data acquired by the mobile phone and the signals collected by the vibration string collector in real time are sent to the computer through the local area network, the data are copied to EXCEL by the staff at the computer end, and the corresponding deformation amount can be obtained through the data. The staff can analyze and send the data to the mobile phone of the staff on the construction site in real time, and the construction site can view the data in real time.

[0016] The technical scheme provided by the embodiment of the utility model has the beneficial effects that the on-site measurement personnel can transmit the monitored data to the staff who processes the data in the office in real time, so that the deformation data can be obtained quickly. The conventional method needs to observe the data and then process the data in the office to obtain the deformation data, and the on-site waiting time is long. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the utility model, the drawings used in the embodiment will be briefly introduced as follows. Obviously, the drawings listed below are only some embodiments of the utility model, and other drawings can be obtained according to the drawings for the ordinary skilled in the art without creating labor.

[0018] Figure 1 is the overall structure schematic view of the embodiment of the utility model;

[0019] Figure 2 is Figure 1A local enlarged view at the middle A;

[0020] Figure 3 is a structural schematic view of the mounting frame and its related parts;

[0021] Figure 4 is a structural schematic view of the mounting frame and its related parts; Figure 3 is a structural schematic view of the mounting frame and its related parts;

[0022] Figure 5 is a principle block diagram in the embodiment of the utility model;

[0023] Figure 6 is a structural schematic view of part of the embodiment of the utility model.

[0024] In the drawings, the component list represented by each reference numeral is as follows: 1, pier column;2, middle support;3, triangular support;4, surface vibrating string strain gauge;5, 360° Leica small prism;6, mounting frame;7, vibrating string collector;8, total station;9, mobile phone;10, computer;11, solar panel;601, U-shaped steel plate;602, cover plate;603, mounting plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, the utility model is further described in detail below in combination with embodiments. Of course, the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0026] Referring to Figures 1-4 A deformation monitoring device of a self-balancing type bent beam bracket, characterized in that it comprises 6 surface vibrating string strain gauges 4 and 6 360° Leica small prisms 5, the surface vibrating string strain gauges 4 are respectively arranged on the upper end faces of the outer ends of the four triangular supports 3 located at the outermost layer and the middle positions of the upper end faces of the two middle supports 2 at the outermost layer, and the 360° Leica small prisms 5 correspond to the surface vibrating string strain gauges 4 one by one and are arranged on the outer side faces of the same triangular supports 3 and middle supports 2.

[0027] It further comprises a total station 8 matched with the 360° Leica small prisms 5 and a vibrating string collector 7 receiving signals of the surface vibrating string strain gauges 4.

[0028] The 360° Leica small prisms 5 can reflect back to the prism center position in any direction, and are generally arranged beside the surface vibrating string strain gauges 4.

[0029] It further comprises a mounting frame 6 of the surface vibrating string strain gauges 4 and the 360° Leica small prisms 5.

[0030] Mounting bracket 6 includes an inverted U-shaped steel plate 601 welded to the bracket. A mounting port for a surface vibrating wire strain gauge 4 is opened in the middle of the U-shaped steel plate 601. The surface vibrating wire strain gauge 4 is placed in the mounting port and its lower end face contacts the upper end face of the bracket. A cover plate 602 covering the surface vibrating wire strain gauge 4 is fixedly installed on the U-shaped steel plate 601. Several screws that push against the surface vibrating wire strain gauge 4 are threaded through the cover plate 602.

[0031] A mounting plate 603 is fixedly installed on the outer side of the U-shaped steel plate 601. A 360° Leica miniature prism 5 is bolted to the mounting plate 603. The center of the 360° Leica miniature prism 5 on the same mounting bracket 6 is generally in the same plane as the vertical central axis of the surface vibrating wire strain gauge 4.

[0032] The total station 8 is a model with Bluetooth connectivity. The total station 8 connects to the mobile phone 9 via Bluetooth.

[0033] The vibrating string acquisition instrument 7 is a model with wireless transmission function.

[0034] The total station 8 can be either Suyiguang RTS112SR5 or Xingruida TTS-112R10M.

[0035] The vibrating wire acquisition instrument 7 uses either the MAS-VWLog-xx multi-channel vibrating wire acquisition instrument 7 or the Chuangke CK-MCU-550 acquisition instrument.

[0036] The vibrating string acquisition device 7 can be powered by the existing solar panel 11.

[0037] How to use:

[0038] like Figure 1 As shown, several intermediate supports 2 are located between the two piers 1, and triangular supports 3 are located on both sides of the piers 1. Six surface vibrating wire strain gauges 4 and six 360° Leica miniature prisms 5 are installed in designated positions using mounting brackets 6. During monitoring, FTP service is enabled via local area network (LAN). The total station 8 is connected to a mobile phone 9 via Bluetooth. The mobile phone 9 acquires the measurement data from the Leica total station 8. The measurement data acquired by the mobile phone 9, along with the signals collected in real time by the vibrating wire data acquisition instrument 7, are sent to a computer 10 via LAN. The staff on the computer 10 can copy the data to an Excel spreadsheet to obtain the corresponding deformation. After analysis, the data can be sent in real time to the mobile phones 9 of the on-site staff via LAN, allowing for real-time monitoring at the construction site.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A deformation monitoring device for a self-balancing bent cap bracket, characterized by, The surface vibrating string strain gauge includes six surface vibrating string strain gauges and six 360° Leica prisms, the surface vibrating string strain gauges are arranged on the upper end surfaces of the outer ends of the four triangular supports and the middle positions of the upper end surfaces of the two middle supports, and the 360° Leica prisms are arranged on the outer side surfaces of the same triangular supports and middle supports. The total station instrument and the vibrating string acquisition instrument are further included.

2. The apparatus for monitoring deformation of a self-balanced bent cap support according to claim 1, wherein The mounting rack of the surface vibrating string strain gauge and the 360° Leica prism is further included. The mounting rack includes an inverted U-shaped steel plate welded on the support, a surface vibrating string strain gauge mounting port is opened in the middle position of the U-shaped steel plate, the surface vibrating string strain gauge is arranged in the mounting port and the lower end surface is in contact with the upper end surface of the support, a cover plate covering the surface vibrating string strain gauge is fixedly arranged on the U-shaped steel plate, and a plurality of screws are arranged on the cover plate and are screwed on the surface vibrating string strain gauge. The mounting plate is fixedly arranged on the outer side of the U-shaped steel plate, and the 360° Leica prism is arranged on the mounting plate through bolt connection.

3. The apparatus for deformation monitoring of a self-balancing bent cap bracket according to claim 1, wherein The total station instrument adopts a model with Bluetooth.

4. The apparatus for monitoring deformation of a self-balanced bent cap bracket according to claim 1, wherein The vibrating string acquisition instrument adopts a model with wireless transmission function.

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