Subway foundation pit support structure monitoring device

Abstract

The utility model relates to the technical field of subway foundation pit construction, in particular to a subway foundation pit support structure monitoring device. Comprising two supporting columns and a plurality of supporting rods, the supporting columns are arranged to be inverted-T-shaped columns, the bottom ends of the supporting columns are fixedly connected with a balance weight bottom table through bolts, the two ends of the supporting rods are fixedly connected with sleeves, vibration sensors are fixedly arranged on the center sides of the interiors of the supporting rods, springs are fixedly arranged at the two ends of the supporting rods, and the springs are located in the sleeves. The other end of each spring is fixedly provided with an insertion bolt, and the inner side of each supporting column is provided with a plurality of insertion grooves allowing the insertion bolts to be inserted in a fastened mode. The utility model aims to solve the technical problem that potential safety hazards are caused due to the fact that a traditional enclosure device cannot transmit intrusion information of external personnel in real time during construction pause.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway foundation pit construction technical field especially relates to a subway foundation pit enclosure structure monitoring devices. BACKGROUND

[0002] Subway foundation pit construction is an important link in urban rail transit engineering, and is related to the excavation and support of underground space. During the construction process, the safety of surrounding buildings, pipelines and traffic systems needs to be fully considered. Deep foundation pit support technology is usually used for foundation pit excavation, including steel support, soil nailing wall, sprayed concrete and other means to prevent foundation pit collapse and surrounding ground subsidence.

[0003] During the subway foundation pit operation, a protective device needs to be set up to protect the operation site and prevent external personnel from entering the construction site, which may cause safety hazards. However, during the construction suspension period at night or on weekends, there are relatively few guards, and the probability of external personnel illegally entering the operation site increases. The conventional protective device cannot transmit early warning information in time, which may easily cause safety hazards and have adverse effects. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the conventional protective device cannot transmit the intrusion information of external personnel in time during the construction suspension period, which may cause safety hazards.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme of a subway foundation pit enclosure structure monitoring device, which comprises two support columns and a plurality of support rods. The support column is arranged as an inverted T-shaped column body, and a counterweight base is fixedly connected to the bottom end of the support column through bolts. The two ends of the support rod are fixedly connected with a sleeve, and a vibration sensor is fixedly arranged inside the center side of the support rod. A spring is fixedly arranged at the two ends of the support rod, and the spring is located in the sleeve. A plug is fixedly arranged at the other end of the spring, and a plurality of plug slots are formed in the inner side of the support column for the plug to be tightly inserted.

[0006] As a further improvement of the utility model, a groove is formed in one side of the support rod, and a warning light strip is tightly clamped in the groove.

[0007] As a further improvement of the utility model, a buzzer is fixedly arranged at the top of the two sides of the counterweight base, and a dustproof cover is arranged above the buzzer.

[0008] As a further improvement of the utility model, the vibration sensor is electrically connected with the warning light strip and the buzzer.

[0009] As a further improvement of the utility model, two groups of ear plates are fixedly arranged at the two sides of the counterweight base, and assembly bolts are threadedly connected with the ear plates.

[0010] As a further improvement of the utility model, the sleeve is provided with a through slot on one side, and the plug is fixedly connected with a handle which passes through the through slot.

[0011] The utility model discloses the beneficial effect: the utility model discloses a spring, plug and insert groove, make two struts and multiple struts fastening connection, provide the preliminary fence protection effect, when the construction suspension period, external personnel break in and climb, the vibration sensor inside the struts transmits the early warning signal, and information transmission to the security end, provides the security personnel with timely early warning. Meanwhile, warning light strip and buzzer promptly issue warning sound effect and warning light, deter external personnel, and the security personnel is convenient for rapid arrival of the place where the incident takes place. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole schematic view of the utility model discloses a subway foundation pit enclosure structure monitoring device;

[0013] Figure 2 It is the partial component exploded view of the utility model discloses a subway foundation pit enclosure structure monitoring device;

[0014] Figure 3 It is the partial display view of the utility model discloses a subway foundation pit enclosure structure monitoring device;

[0015] Figure 4 It is the partial enlarged view of the utility model discloses a subway foundation pit enclosure structure monitoring device.

[0016] As shown in the figure: 1, the column is 2, the struts are 3, the counterweight base is 4, the sleeve is 5, the handle is 6, the spring is 7, the plug is 8, the recess is 9, the warning light strip is 10, the buzzer is 11, the ear plate is 12, the assembly bolt. DETAILED DESCRIPTION

[0017] In the present specification, the orientation terms such as up, down, left, right, front, back, top, bottom, etc. are defined with respect to the configuration, and they are relative concepts. Therefore, it is possible to change accordingly according to different positions, different use states, etc. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0018] In the present specification, the singular forms "a", "an" and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0019] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and not to limit the present application.

[0020] The utility model provides a subway foundation pit support structure monitoring device as shown in the figure Figures 1-4 As shown in the figure, a subway foundation pit support structure monitoring device, including two support columns 1 and a plurality of support rods 2, both ends of the support rod 2 are fixedly provided with springs 6, and the spring 6 is located in the sleeve 4, the other end of the spring 6 is fixedly provided with a plug 7, and the inside of the support column 1 is provided with a plurality of plug slots for the plug 7 to be tightly inserted, at the same time, the sleeve 4 is provided with a through slot on one side, and the plug 7 is fixedly connected with a handle 5 passing through the through slot; It is convenient to disassemble and assemble between the support column 1 and the support rod 2. The support column 1 is set as an inverted T-shaped column body, and the bottom end of the support column 1 is tightly connected with a counterweight base 3 through a bolt, and two groups of ear plates 11 are fixedly arranged on both sides of the counterweight base 3, and the ear plates 11 are screw-connected with assembly bolts 12; for tightly connecting with the mounting surface.

[0021] The counterweight base 3 is fixedly provided with a buzzer 10 on both sides of the top end, and a dust cover is arranged above the buzzer 10; the buzzer 10 is used to issue an alarm, and the dust cover is used to prevent construction dust from entering the inside of the buzzer. The support rod 2 is provided with a groove 8 on one side, and the groove 8 is tightly clamped with a warning light strip 9; by providing the groove 8, the support rod 2 can be tightly connected with the warning light strip 9, and the stability of the structure connection is ensured. The both ends of the support rod 2 are fixedly connected with the sleeve 4, and a vibration sensor is fixedly arranged on the inside center side of the support rod 2, and the vibration sensor selects a SW-420 vibration sensor module and is driven through an STM32f103 chip. The vibration sensor is electrically connected with the warning light strip 9 and the buzzer 10; when an external person climbs over the support rod 2, the vibration sensor can transmit data to a remote cloud, and make the warning light strip 9 and the buzzer 10 issue warning light and warning sound effect, and deter the illegal operation of the external person.

[0022] Working principle: in the specific implementation of the utility model, first, the handle 5 on one side of the plug 7 is pushed inward along the through slot of the sleeve 4, so that the spring is compressed, and the plug 7 is moved inward, at the same time, the support rod 2 is aligned with the plug slot on one side of the support column 1 in turn, and a plurality of support rods 2 are assembled between the support columns 1 according to the above operation, and a fence effect is formed. When an external person illegally enters during the construction pause, the internal vibration sensor of the support rod 2 is vibrated due to climbing over the support rod 2, the warning light strip 9 and the buzzer 10 are immediately started, the warning light strip 9 and the buzzer 10 issue warning light and alarm sound effect, and the illegal behavior of the external person is deterred, at the same time, the alarm data is directly transmitted to the security personnel end through the wifi module of the STM32f103, and the security personnel reaches the scene in time according to the specific position data and the prompt of the on-site sound and light warning.

[0023] The above embodiments are only used to illustrate the technical solutions of the present application, but 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 the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A monitoring device for the retaining structure of a subway foundation pit, comprising two pillars (1) and multiple support rods (2), characterized in that: The support column (1) is configured as an inverted T-shaped column, and the bottom end of the support column (1) is fastened to a counterweight base (3) by bolts. The two ends of the support rod (2) are fixedly connected to sleeves (4), and a vibration sensor is fixedly installed on the center side inside the support rod (2). Both ends of the support rod (2) are fixedly installed with springs (6), and the springs (6) are located in the sleeves (4). The other end of the springs (6) is fixedly installed with a plug (7), and multiple slots for fastening the plugs (7) are opened on the inner side of the support column (1).

2. The monitoring device for the retaining structure of a subway foundation pit according to claim 1, characterized in that: A groove (8) is provided on one side of the support rod (2), and a warning light strip (9) is fastened and snapped into the groove (8).

3. The monitoring device for the retaining structure of a subway foundation pit according to claim 2, characterized in that: Buzzers (10) are fixedly installed on both sides of the top of the counterweight base (3), and a dust cover is installed above the buzzers (10).

4. The monitoring device for the retaining structure of a subway foundation pit according to claim 3, characterized in that: The vibration sensor is electrically connected to the warning light strip (9) and the buzzer (10).

5. The monitoring device for the retaining structure of a subway foundation pit according to claim 3, characterized in that: Two sets of ear plates (11) are fixedly installed on both sides of the counterweight base (3), and the ear plates (11) are threadedly connected with assembly bolts (12).

6. The monitoring device for the retaining structure of a subway foundation pit according to claim 1, characterized in that: The sleeve (4) has a through groove on one side, and the plug (7) has a handle (5) that passes through the through groove on one side.

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