Novel grating anchor rod and anchor cable stress monitoring device

Abstract

The utility model relates to the technical field of stress monitoring, and discloses a novel grating anchor rod and anchor cable stress monitoring device which comprises an anchor cable body, and a stress abnormity processing mechanism is arranged outside the anchor cable body. The stress abnormity processing mechanism comprises two limiting rings, the inner wall of each limiting ring makes contact with the outer surface of the anchor cable body, the outer surface of each limiting ring is fixedly connected with connecting rods arranged at equal intervals, and the ends, away from the limiting rings, of each set of connecting rods are fixedly connected with supporting rings. According to the novel grating anchor rod and anchor cable stress monitoring device, through cooperation of the anchor cable body, the limiting ring, the fastening block, the field processing module, the torsion motor and the torsion bolt, the limiting ring is installed on the outer surface of the anchor cable body to support the pressure between the two supporting rings, and the anchor cable body bears the stress; the stress shared by each part of the anchor cable body is reduced, and the effect of treating the stress exceeding the set value borne by the anchor rod and the anchor cable in time is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of stress monitoring, in particular to a novel grating anchor rod and anchor cable stress monitoring device. Background Art

[0002] With the development of foundation pit engineering, the excavation depth and scale of deep foundation pit engineering are getting larger and larger, the pile-anchor support system is being used more and more frequently, and its combination form selection is becoming more and more diverse. At the same time, there are more and more disciplines involved in the design of the pile-anchor support system, not only involving classical mechanics such as statics and material mechanics, but also the complexity of the combined system is getting higher and higher, so the required theories and technologies are also getting higher and higher, and it is necessary to use stress monitoring devices to monitor the stress of grating anchor rods and anchor cables.

[0003] The utility model with the existing authorization announcement number CN220184009U discloses a real-time monitoring device and a real-time monitoring system for anchor rods and anchor cables, wherein the anchor rod comprises: an anchor rod body, a stress gauge anchor head is arranged at the front end of the anchor rod body; the stress gauge anchor head comprises: an anchor cable head, a through hole, a stress sensor and a wireless communication module are arranged in the anchor cable head; the through hole is arranged along the axial direction of the stress gauge anchor head.

[0004] By adopting the above technical scheme, the stress sensor and the wireless communication module are encapsulated inside the stress gauge anchor head to avoid the cable being exposed outside, thereby avoiding data reading abnormalities caused by cable damage. The original anchor stress gauge and the anchor head are combined into one, reducing the protruding length of the anchor support system, thereby reducing the requirements for the width of the fertilizer trough, increasing the flexibility of the main construction, and reducing the risk of damage. However, in the above technical scheme, the stress monitoring device can only monitor the stress on the anchor rod and cable, but cannot promptly deal with the stress exceeding the set value on the anchor rod and cable, nor can it promptly notify the processing personnel to deal with it, which may cause stress damage to the grating anchor rod and cable, thereby reducing the service life of the grating anchor rod and cable.

[0005] Therefore, those skilled in the art provide a novel grating anchor rod and anchor cable stress monitoring device to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model aims to provide a novel grating anchor rod and anchor cable stress monitoring device to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A novel grating anchor cable stress monitoring device comprises an anchor cable body, and a stress abnormality processing mechanism is arranged outside the anchor cable body;

[0009] The stress anomaly handling mechanism includes two limit rings, the inner wall of each limit ring is in contact with the outer surface of the anchor cable body, the outer surface of each limit ring is fixedly connected with connecting rods arranged at equal distances, the end of each group of connecting rods away from the limit ring is fixedly connected with a support ring, and the side surfaces of the two support rings close to each other are commonly fixedly connected with support rods arranged at equal distances, the outer surface of each limit ring is fixedly connected with two fastening blocks, and an on-site processing module is commonly provided on the outside of the two limit rings, and the on-site processing module includes two torsion motors, the upper surface of each torsion motor is fixedly connected to the outer surface of the connecting rod, and the output end of each torsion motor is fixedly connected with a torsion bolt, the outer surface of each torsion bolt is threadedly connected to the inner wall of the fastening block, and the bottom end of each torsion bolt passes through the two fastening blocks in sequence and extends to the bottom of the fastening block.

[0010] As a further solution of the utility model: the outer surface of the anchor cable body is fixedly connected to the anchor rod body, the back of the anchor rod body is provided with a cast-in-place pile, and one end of the anchor cable body away from the anchor rod body penetrates the cast-in-place pile and extends to the back of the cast-in-place pile.

[0011] As a further solution of the utility model: a wedge-shaped pad is arranged on the back of the cast-in-place pile, and one end of the anchor cable body away from the anchor rod body passes through the wedge-shaped pad and extends to the back of the wedge-shaped pad.

[0012] As a further solution of the utility model: two I-beams are arranged on the back of the wedge-shaped pad, and an anchor head pressure plate is commonly arranged on the back of the two I-beams, the outer surface of the anchor cable body is fixedly connected to the inner wall of the anchor head pressure plate, and the back of the anchor head pressure plate is in contact with the front of one of the support rings.

[0013] As a further solution of the utility model: a stress gauge anchor head is fixedly connected to the outer surface of the anchor cable body, and the front side of the stress gauge anchor head is in contact with the back side of another support ring.

[0014] As a further solution of the utility model: the inner wall of the stress gauge anchor head is fixedly connected with stress sensors arranged at equal distances, the sensing end of each stress sensor is fixedly connected to the outer surface of the anchor cable body, the back side of the stress gauge anchor head is fixedly embedded with a wireless communication module, the outside of the anchor cable body is provided with a data acquisition instrument, and each stress sensor is connected to the data acquisition instrument through the wireless communication module.

[0015] As a further solution of the utility model: the data acquisition instrument is connected to an alarm notification module via a wireless network signal, the alarm notification module includes an alarm buzzer, and the field processing module and the alarm notification module are both connected to the data acquisition instrument signal via a wireless network.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is provided with an anchor cable body, a limit ring, a fastening block, an on-site processing module, a torsion motor and a torsion bolt, so that the limit ring can be manually clamped to the outer surface of the anchor cable body, and the torsion motor of the on-site processing module can be used to twist the torsion bolt to rotate the inner thread of the fastening block fixed outside the limit ring, so that the two fastening blocks can be brought close to tighten the limit ring, so that the limit ring can be stably installed on the outer surface of the anchor cable body, and the support ring can be installed and fixed to the outer surface of the limit ring through a plurality of connecting rods by the cooperation of the connecting rod, the support ring and the support rod. A plurality of support rods are used to support the pressure between the two support rings. When the main body of the anchor cable is subjected to external stress, the stress of the part of the main body of the anchor cable between the two limit rings will be borne by the structure composed of the limit rings, the connecting rods, the support rings and the support rods. When the main body of the anchor cable is subjected to large stress, the tightened limit rings can be loosened by controlling the torsion motor, so that the part of the main body of the anchor cable can bear the stress, thereby reducing the stress shared by each part of the main body of the anchor cable, thereby playing the role of timely processing the stress of the anchor rod and cable exceeding the set value, thereby improving the service life of the grating anchor rod and cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the anchor cable main structure of a new type of grating anchor cable stress monitoring device;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the rear view of the stress meter anchor head in a new type of grating anchor cable stress monitoring device;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of a limit ring in a new type of grating anchor cable stress monitoring device;

[0021] Figure 4 This is a system module diagram of a new type of grating anchor rod and cable stress monitoring device system.

[0022] In the figure: 1. Anchor cable body; 2. Abnormal stress handling mechanism; 201. Support ring; 202. Support rod; 203. Connecting rod; 204. Limiting ring; 205. Fastening block; 206. Torsion motor; 207. Torsion bolt; 208. On-site processing module; 3. Anchor rod body; 4. Cast-in-place pile; 5. Wedge-shaped pad; 6. I-beam; 7. Anchor head pressure plate; 8. Strain gauge anchor head; 9. Stress sensor; 10. Wireless communication module; 11. Data acquisition instrument; 12. Alarm notification module; 13. Alarm buzzer. DETAILED DESCRIPTION

[0023] See also Figure 1-4 A novel grating anchor cable stress monitoring device comprises an anchor cable body 1, a stress abnormality processing mechanism 2 is arranged outside the anchor cable body 1, an anchor rod body 3 is fixedly connected to the outer surface of the anchor cable body 1, a cast-in-place pile 4 is arranged on the back of the anchor rod body 3, an end of the anchor cable body 1 away from the anchor rod body 3 penetrates the cast-in-place pile 4 and extends to the back of the cast-in-place pile 4, the anchor cable body 1 is passed through the cast-in-place pile 4, and the anchor cable body 1 and the anchor rod body 3 form a grating anchor cable structure, which can be conveniently used;

[0024] The stress anomaly handling mechanism 2 includes two limit rings 204, the inner wall of each limit ring 204 is in contact with the outer surface of the anchor cable body 1, a wedge-shaped pad 5 is arranged on the back of the cast-in-place pile 4, and one end of the anchor cable body 1 away from the anchor rod body 3 passes through the wedge-shaped pad 5 and extends to the back of the wedge-shaped pad 5. The wedge-shaped pad 5 can be used to facilitate the installation of the stress monitoring device, thereby facilitating the monitoring of the stress of the grating anchor rod.

[0025] The outer surface of each limiting ring 204 is fixedly connected with connecting rods 203 arranged at equal distances, and the end of each group of connecting rods 203 away from the limiting ring 204 is fixedly connected with a support ring 201, and the side surfaces of the two support rings 201 close to each other are commonly fixedly connected with support rods 202 arranged at equal distances, and two I-beams 6 are arranged on the back of the wedge-shaped pad 5, and the backs of the two I-beams 6 are commonly provided with anchor head pressure plates 7, and the outer surface of the anchor cable body 1 is fixedly connected to the inner wall of the anchor head pressure plates 7, and the back of the anchor head pressure plates 7 is in contact with the front of one of the support rings 201. Through the cooperation of the two I-beams 6 and the anchor head pressure plates 7, the stress monitoring device can be stably installed on one side of the two I-beams 6 to stably detect the stress on the anchor cable body 1.

[0026] The outer surface of each limit ring 204 is fixedly connected to two fastening blocks 205, and the outer surface of the anchor cable body 1 is fixedly connected to a stress gauge anchor head 8, the front of the stress gauge anchor head 8 is in contact with the back of another support ring 201, and the core components of the stress monitoring device are installed inside thereof by using the stress gauge anchor head 8, thereby further facilitating the use of the stress monitoring device to detect the stress on the anchor cable body 1.

[0027] A field processing module 208 is commonly provided on the outside of the two limit rings 204. The field processing module 208 includes two torsion motors 206. The upper surface of each torsion motor 206 is fixedly connected to the outer surface of the connecting rod 203. The inner wall of the stress gauge anchor head 8 is fixedly connected with stress sensors 9 arranged at equal distances. The stress sensor 9 is a sensor based on measuring the strain generated by the deformation of an object under force. The model of the stress sensor 9 is GZY60A. The sensing end of each stress sensor 9 is fixedly connected to the outer surface of the anchor cable body 1. A wireless communication module 10 is fixedly embedded on the back of the stress gauge anchor head 8. A data acquisition instrument 11 is provided on the outside of the anchor cable body 1. The data acquisition instrument 11 is a portable and lightweight data acquisition device / graphic recorder. The model of the data acquisition instrument 11 is TPZW-BX-1. Each stress sensor 9 is connected to the data acquisition instrument 11 through the wireless communication module 10. The stress of the anchor cable body 1 is sensed and detected by the stress sensor 9, and the data is transmitted to the data acquisition instrument 11 through the wireless communication module 10 to collect and analyze the data.

[0028] The output end of each torsion motor 206 is fixedly connected with a torsion bolt 207, the outer surface of each torsion bolt 207 is threadedly connected to the inner wall of the fastening block 205, and the bottom end of each torsion bolt 207 passes through the two fastening blocks 205 in sequence and extends to the bottom of the fastening block 205. The data acquisition instrument 11 is connected to the alarm notification module 12 through a wireless network signal. The alarm notification module 12 includes an alarm buzzer 13. The buzzer is an electronic sounder powered by a DC voltage. The model of the buzzer is HRB-N80. The field processing module 208 and the alarm notification module 12 are both connected to the data acquisition instrument 11 signal through a wireless network, and the data acquisition instrument 11 transmits instructions to the field processing module 208 and the alarm notification module 12, so that the field processing module 208 can be used to process it in time, and the alarm buzzer 13 of the alarm notification module 12 emits a buzzing sound to remind the maintenance worker that it needs to be processed.

[0029] The working principle of the utility model is as follows: when in use, firstly, the electrical equipment of the monitoring device is connected to the power supply. When the monitoring device is needed to monitor and process the stress of the grating anchor cable, the anchor cable body 1 is first manually passed through the cast-in-place pile 4 to make one end of the anchor cable body 3 contact the cast-in-place pile 4. By controlling the torsion motor 206 of the on-site processing module 208, the two torsion motors 206 can be used to drive the torsion bolt 207 to rotate, so that the two torsion bolts 207 can pass through the two fastening blocks 205 to make the two fastening blocks 205 close to each other, so that the limit ring 204 can be tightened and tightly connected to the outer surface of the anchor cable body 1, and the connecting rod 203 is used to fix the support ring 201 and the support rod 202 on the outside of the limit ring 204, and the support ring 201 and the support rod 202 can be used to bear the stress of the anchor cable body 1 between the two limit rings 204, thereby reducing the stress of the anchor cable body 1 between the two limit rings 204.

[0030] During installation, two I-beams 6 need to be set on one side of the anchor head pressure plate 7, and a wedge-shaped pad 5 is used to clamp between the cast-in-place pile 4 and the two I-beams 6, so that the stress sensor 9 fixed in the stress gauge anchor head 8 can be stably used to monitor the stress of the grating anchor cable, and the wireless communication module 10 fixed in the stress gauge anchor head 8 can be used to transmit data to the data acquisition instrument 11 for data acquisition, and then can be transmitted to the field processing module 208 and the alarm notification module 12 for processing. When the stress sensor 9 detects that the stress on the anchor cable body 1 is greater than the set maximum value, it is necessary to control the torsion motor 206 and twist the torsion bolt 207 to move the two fastening blocks 205 away, so that the limit ring 204 is in a relaxed state, so that the anchor cable body 1 between the two limit rings 204 can withstand this stress, so as to reduce the stress shared by each part of the anchor cable body 1, and also use the alarm buzzer 13 of the alarm notification module 12 to notify the maintenance personnel to deal with this abnormal situation.

[0031] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel grating anchor cable stress monitoring device, comprising an anchor cable body (1), characterized in that: A stress abnormality processing mechanism (2) is arranged outside the anchor cable body (1); The stress anomaly processing mechanism (2) comprises two limiting rings (204), the inner wall of each limiting ring (204) is in contact with the outer surface of the anchor cable body (1), the outer surface of each limiting ring (204) is fixedly connected to connecting rods (203) arranged at equal distances, one end of each group of connecting rods (203) away from the limiting ring (204) is fixedly connected to a support ring (201), and the side surfaces of the two supporting rings (201) close to each other are fixedly connected to supporting rods (202) arranged at equal distances, and the outer surface of each limiting ring (204) is fixedly connected to two fastening blocks (205). A field processing module (208) is commonly provided on the outside of the two limit rings (204), and the field processing module (208) includes two torsion motors (206), the upper surface of each torsion motor (206) is fixedly connected to the outer surface of the connecting rod (203), the output end of each torsion motor (206) is fixedly connected to a torsion bolt (207), the outer surface of each torsion bolt (207) is threadedly connected to the inner wall of the fastening block (205), and the bottom end of each torsion bolt (207) passes through the two fastening blocks (205) in sequence and extends to the bottom of the fastening block (205).

2. According to claim 1, a novel grating anchor cable stress monitoring device is characterized in that: The outer surface of the anchor cable body (1) is fixedly connected to an anchor rod body (3), a cast-in-place pile (4) is arranged on the back of the anchor rod body (3), and one end of the anchor cable body (1) away from the anchor rod body (3) penetrates the cast-in-place pile (4) and extends to the back of the cast-in-place pile (4).

3. The novel grating anchor cable stress monitoring device according to claim 2 is characterized in that: A wedge-shaped pad (5) is provided on the back of the cast-in-place pile (4), and one end of the anchor cable body (1) away from the anchor rod body (3) passes through the wedge-shaped pad (5) and extends to the back of the wedge-shaped pad (5).

4. The novel grating anchor cable stress monitoring device according to claim 3 is characterized in that: Two I-beams (6) are arranged on the back of the wedge-shaped pad (5), and an anchor head pressure plate (7) is commonly arranged on the back of the two I-beams (6). The outer surface of the anchor cable body (1) is fixedly connected to the inner wall of the anchor head pressure plate (7), and the back of the anchor head pressure plate (7) is in contact with the front of one of the support rings (201).

5. The novel grating anchor cable stress monitoring device according to claim 1 is characterized in that: A stress gauge anchor head (8) is fixedly connected to the outer surface of the anchor cable body (1), and the front surface of the stress gauge anchor head (8) is in contact with the back surface of another support ring (201).

6. The novel grating anchor cable stress monitoring device according to claim 5 is characterized in that: The inner wall of the stress gauge anchor head (8) is fixedly connected to stress sensors (9) arranged at equal distances, the sensing end of each stress sensor (9) is fixedly connected to the outer surface of the anchor cable body (1), the back of the stress gauge anchor head (8) is fixedly embedded with a wireless communication module (10), the outside of the anchor cable body (1) is provided with a data acquisition device (11), and each stress sensor (9) is connected to the data acquisition device (11) via the wireless communication module (10).

7. The novel grating anchor cable stress monitoring device according to claim 6 is characterized by: The data acquisition instrument (11) is connected to an alarm notification module (12) via a wireless network signal; the alarm notification module (12) includes an alarm buzzer (13); and the on-site processing module (208) and the alarm notification module (12) are both connected to the data acquisition instrument (11) via a wireless network signal.

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