Deep foundation pit supporting early warning structure based on intelligent monitoring

Abstract

The invention relates to the technical field of deep foundation pit supporting early warning structures, in particular to a deep foundation pit supporting early warning structure based on intelligent monitoring, which comprises a base and a supporting plate, the bottom end of the supporting plate is rotatably connected to the base, a sliding groove is formed in the base, a sliding block is slidably connected in the sliding groove, and a hydraulic connecting rod mechanism is fixed on the base; the device has the beneficial effects that a hydraulic rod of the hydraulic connecting rod mechanism extends to push the sliding block to move in the sliding groove in the direction away from the hydraulic connecting rod mechanism, one end of the supporting arm rotates around the sliding block, the other end of the supporting arm rotates around the support, and therefore the supporting plate is supported and is perpendicular to the base, and the end, away from the base, of the supporting plate abuts against the pit wall of the deep foundation pit; and when the pit wall of the foundation pit is loosened, the supporting plate is gradually pressed, and the supporting plate inclines towards the base, the first contact is in contact with the second contact, so that the power source and the alarm form a loop, and the alarm is powered on to send out sound and light signals.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of deep foundation pit support early warning structure, in particular to a deep foundation pit support early warning structure based on intelligent monitoring. BACKGROUND

[0002] The deep foundation pit support structure refers to the support measures taken in the construction site or underground engineering to prevent soil collapse. In the process of excavating deep foundation pits, the stability of the soil is often encountered, especially in soft soil or rock-soil structure. In order to ensure the safety of construction and prevent soil collapse.

[0003] In the prior art, a new type of assembled deep foundation pit support structure is disclosed in the patent file with the application number CN202323060407.7, which comprises a device main body, the device main body comprises a first support base, a first support plate, a second support base, a second support plate and a connecting mechanism, the first support base is fixedly connected with the first support plate, the second support base is fixedly connected with the second support plate, and the connecting mechanism is arranged between the two first support bases and the second support base. The utility model discloses a laser range finder and a laser ranging receiving surface are arranged, the interval between the first support plate and the second support plate is detected through the laser range finder and the laser ranging receiving surface, and when the interval between the first support plate and the second support plate exceeds the set range, the alarm immediately issues a warning, thereby achieving the effect of early warning, increasing the safety of deep foundation pit support construction, and effectively solving the problem that most traditional deep foundation pit support structures do not have a foundation pit collapse early warning function.

[0004] However, the new type of assembled deep foundation pit support structure in the prior art occupies too much space, and when the assembled foundation pit support device is transported, the large occupied space will cause inconvenience in transportation and high transportation cost. SUMMARY

[0005] The purpose of the present application is to provide a deep foundation pit support early warning structure based on intelligent monitoring to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a deep foundation pit support early warning structure based on intelligent monitoring, comprising: a base and a support plate, the bottom end of the support plate is rotatably connected to the base, a sliding groove is formed in the base, a sliding block is slidably connected in the sliding groove, a hydraulic connecting rod mechanism is fixed on the base, the hydraulic rod of the hydraulic connecting rod mechanism is fixed on the sliding block, one end of a support arm is rotatably connected to the sliding block, a support seat is fixed on the support plate, the other end of the support arm is rotatably connected to the support seat, and a plurality of groups of sawteeth are formed at the bottom end of the base.

[0007] Preferably, the first early warning arm is movably mounted on the base, the second early warning arm is movably mounted on the support plate, the first early warning arm and the second early warning arm are in a fan shape, a connecting groove is formed at an end of the first early warning arm away from the base, and an end of the second early warning arm away from the support plate is movably inserted into the connecting groove.

[0008] Preferably, a first contact is fixed on an inner wall of the connecting groove, a second contact is fixed on an end of the second early warning arm, one end of a first connecting line is fixed on a surface of the first contact, one end of a second connecting line is fixed on a surface of the second contact, the first connecting line and the second connecting line are movably inserted into the first early warning arm, a power supply is movably mounted on the base by a screw, the other end of the first connecting line and the other end of the second connecting line are fixed on the power supply, and an alarm is fixed on the power supply.

[0009] Preferably, a first insertion groove is formed on the base, the first early warning arm is movably inserted into the first insertion groove, a first limiting rod mounting groove is formed on the base, a first limiting hole is formed on the first early warning arm, one end of a first limiting rod is movably inserted into the first limiting rod mounting groove, and the other end of the first limiting rod is movably inserted into the first limiting hole.

[0010] Preferably, the first limiting rod mounting groove is in a circular groove structure, the first limiting hole is in a circular hole structure, the first limiting rod is in a circular rod structure, one end of the first limiting rod is fixed with a first spring, the other end of the first spring is fixed on an inner wall of the first limiting rod mounting groove, a first push rod window is formed on the base, a first push rod is slidably connected in the first push rod window, and one end of the first push rod extends into the first limiting rod mounting groove and is fixed on the first limiting rod.

[0011] Preferably, a first storage groove is formed on a groove body of the first push rod window, one end of a first sealing plate is movably inserted into the first storage groove, and the other end of the first sealing plate is fixed on the first push rod.

[0012] Preferably, a second insertion groove is formed on the support plate, the second early warning arm is movably inserted into the second insertion groove, a second limiting rod mounting groove is formed on the support plate, a second limiting hole is formed on the second early warning arm, one end of a second limiting rod is movably inserted into the second limiting rod mounting groove, and the other end of the second limiting rod is movably inserted into the second limiting hole.

[0013] Preferably, the second limiting rod mounting groove is in a circular groove structure, the second limiting hole is in a circular hole structure, the second limiting rod is in a circular rod structure, a second spring is fixed on a top end of the second limiting rod, the other end of the second spring is fixed on an inner wall of the second limiting rod mounting groove, a second push rod window is formed on the support plate, a second push rod is slidably connected in the second push rod window, and one end of the second push rod extends into the second limiting rod mounting groove and is fixed on the second limiting rod.

[0014] Preferably, a second receiving groove is formed in the inner wall of the groove of the second lever window, one end of a second sealing plate is movably inserted into the second receiving groove, and the other end of the second sealing plate is fixed to the second lever.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] The deep foundation pit supporting early warning structure based on intelligent monitoring has the following advantages: in the transportation state, the sliding block is located at one end close to the hydraulic connecting rod mechanism in the sliding groove, and the supporting plate is folded and covered on the base, and the base and the supporting plate are rotationally connected; in use, the supporting early warning structure is placed in the deep foundation pit, the hydraulic rod of the hydraulic connecting rod mechanism is elongated to push the sliding block to move in the sliding groove away from the hydraulic connecting rod mechanism, one end of the supporting arm rotates around the sliding block, and the other end of the supporting arm rotates around the support, so that the supporting plate is erected, the supporting plate is perpendicular to the base, and one end of the supporting plate away from the base is abutted against the pit wall of the deep foundation pit to support the pit wall; then, the first early warning arm is installed on the base, and the second early warning arm is installed on the supporting plate; when the pit wall of the foundation pit is loose and the supporting plate is gradually pressed to be inclined to the base, the second early warning arm is inserted into the connecting groove to a greater depth; when the first contact point is in contact with the second contact point, the positive electrode of the power supply is electrically connected with the positive electrode of the alarm, the negative electrode of the alarm is electrically connected with the first connecting wire, the other end of the first connecting wire is electrically connected with the first contact point, the second contact point is electrically connected with the second connecting wire, and the other end of the second connecting wire is electrically connected with the negative electrode of the power supply, so that the power supply and the alarm form a loop, the alarm is powered on to emit an audible and visual signal, and the intelligent detection and early warning technology is realized; when the supporting operation is completed, the first early warning arm, the second early warning arm and the power supply are disassembled, the hydraulic rod of the hydraulic connecting rod mechanism is shortened, the sliding block is moved to be close to the hydraulic connecting rod mechanism, and the supporting plate is folded and stored, so that the space occupation of the structure is reduced, and transportation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the application;

[0018] Figure 2 It is a sectional structural schematic diagram of the application;

[0019] Figure 3 It is a sectional structural schematic diagram of the connecting groove;

[0020] Figure 4 It is Figure 3 It is an enlarged schematic diagram of the structure at A in the middle;

[0021] Figure 5 It is Figure 3 It is an enlarged schematic diagram of the structure at B in the middle;

[0022] Figure 6 It is Figure 3 It is an enlarged schematic diagram of the structure at C in the middle;

[0023] Figure 7 Fig. 1 is a schematic view of a first connection line profile structure;

[0024] Figure 8 Fig. 2 is a schematic view of a second connection line profile structure; Figure 7 Fig. 3 is an enlarged schematic view of a structure at D in Fig. 2.

[0025] In the figure: base 1, support plate 2, sliding groove 3, sliding block 4, hydraulic connecting rod mechanism 5, support arm 6, support 7, first early warning arm 8, second early warning arm 9, connecting groove 10, first contact 11, second contact 12, first connection line 13, second connection line 14, power supply 15, alarm 16, first plug-in groove 17, first limit rod mounting groove 18, first limit hole 19, first limit rod 20, first spring 21, first lever window 22, first lever 23, first storage groove 24, first sealing plate 25, second plug-in groove 26, second limit rod mounting groove 27, second limit hole 28, second limit rod 29, second spring 30, second lever window 31, second lever 32, second storage groove 33, second sealing plate 34, sawtooth 35. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions of the present application clear, complete and the advantages more clear and obvious, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all the embodiments, and are only used to explain the embodiments of the present application, and do not limit the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1 to 8The application provides a technical scheme: a deep foundation pit support early warning structure based on intelligent monitoring, which comprises a base 1 and a support plate 2, the bottom end of the support plate 2 is rotatably connected to the base 1, a sliding groove 3 is formed in the base 1, a sliding block 4 is slidably connected in the sliding groove 3, a hydraulic connecting rod mechanism 5 is fixed on the base 1, the hydraulic rod of the hydraulic connecting rod mechanism 5 is fixed on the sliding block 4, one end of a supporting arm 6 is rotatably connected to the sliding block 4, a support base 7 is fixed on the support plate 2, the other end of the supporting arm 6 is rotatably connected to the support base 7, a plurality of groups of sawteeth 35 are formed in the bottom end of the base 1, a first early warning arm 8 is movably installed on the base 1, a second early warning arm 9 is movably installed on the support plate 2, the first early warning arm 8 and the second early warning arm 9 are in a fan-shaped structure, a connecting groove 10 is formed in the end of the first early warning arm 8 away from the base 1, the end of the second early warning arm 9 away from the support plate 2 is movably inserted into the connecting groove 10, a first contact 11 is fixed on the inner wall of the connecting groove 10, a second contact 12 is fixed on the end of the second early warning arm 9, one end of a first connecting wire 13 is fixed on the surface of the first contact 11, one end of a second connecting wire 14 is fixed on the surface of the second contact 12, the first connecting wire 13 and the second connecting wire 14 are movably inserted into the first early warning arm 8, a power supply 15 is movably installed on the base 1 through screws, the other ends of the first connecting wire 13 and the second connecting wire 14 are fixed on the power supply 15, and an alarm 16 is fixed on the power supply 15.

[0028] In actual use, the sliding block 4 is located at one end close to the hydraulic connecting rod mechanism 5 in the sliding groove 3 in the transportation state, and the supporting plate 2 is folded and covered on the base 1, and the base 1 and the supporting plate 2 are rotationally connected; in use, the support early warning structure is placed in a deep foundation pit, the hydraulic rod of the hydraulic connecting rod mechanism 5 is elongated to push the sliding block 4 to move in the sliding groove 3 away from the hydraulic connecting rod mechanism 5, one end of the supporting arm 6 rotates around the sliding block 4, the other end of the supporting arm 6 rotates around the support 7, thereby supporting the supporting plate 2, making the supporting plate 2 perpendicular to the base 1, and the end of the supporting plate 2 away from the base 1 abuts against the pit wall of the deep foundation pit, thereby supporting the pit wall, then the first early warning arm 8 is installed on the base 1, and the second early warning arm 9 is installed on the supporting plate 2, when the pit wall of the foundation pit collapses and gradually presses the supporting plate 2, the supporting plate 2 inclines to the base 1, the second early warning arm 9 is inserted into the connecting groove 10 deeper, when the first contact 11 contacts with the second contact 12, the positive electrode of the power supply 15 is electrically connected with the positive electrode of the alarm 16, the negative electrode of the alarm 16 is electrically connected with the first connecting line 13, the other end of the first connecting line 13 is electrically connected with the first contact 11, the second contact 12 is electrically connected with the second connecting line 14, and the other end of the second connecting line 14 is electrically connected with the negative electrode of the power supply 15, which makes the power supply 15 and the alarm 16 form a loop, the alarm 16 is powered on to emit an audible and visual signal, thereby realizing intelligent detection and early warning technology, after the supporting operation is completed, the first early warning arm 8, the second early warning arm 9 and the power supply 15 are removed, the hydraulic rod of the hydraulic connecting rod mechanism 5 is shortened, the sliding block 4 moves towards the hydraulic connecting rod mechanism 5, and the supporting plate 2 is folded and stored, thereby reducing the space occupation of the structure and facilitating transportation; a plurality of sawteeth 35 are arranged at the bottom end of the base 1, which can increase the friction between the bottom end of the base 1 and the ground, and prevent the base 1 from sliding during supporting.

[0029] In the embodiment two, in order to realize the movable installation of the first early warning arm 8 and the base 1, the first insertion slot 17 is arranged on the base 1, the first early warning arm 8 is movably inserted into the first insertion slot 17, the first limiting rod installation slot 18 is arranged on the base 1, the first limiting hole 19 is arranged on the first early warning arm 8, one end of the first limiting rod 20 is movably inserted into the first limiting rod installation slot 18, the other end of the first limiting rod 20 is movably inserted into the first limiting hole 19, the first limiting rod installation slot 18 is in a circular slot structure, the first limiting hole 19 is in a circular hole structure, the first limiting rod 20 is in a circular rod structure, one end of the first limiting rod 20 is fixed with the first spring 21, the other end of the first spring 21 is fixed on the inner wall of the first limiting rod installation slot 18, the first pull rod window 22 is arranged on the base 1, the first pull rod 23 is slidably connected into the first pull rod window 22, one end of the first pull rod 23 extends into the first limiting rod installation slot 18 and is fixed on the first limiting rod 20, the first storage slot 24 is arranged on the slot body inner wall of the first pull rod window 22, one end of the first sealing plate 25 is movably inserted into the first storage slot 24, the other end of the first sealing plate 25 is fixed on the first pull rod 23.

[0030] The first pull rod 23 is pulled, the first pull rod 23 slides in the first pull rod window 22, drives the first limiting rod 20 to be completely retracted into the first limiting rod installation slot 18, then the first early warning arm 8 is inserted into the first insertion slot 17, the first pull rod 23 is released, the first spring 21 pushes one end of the first limiting rod 20 into the first limiting hole 19, limits the first early warning arm 8 in the first insertion slot 17, so that the installation of the first early warning arm 8 and the base 1 is realized; the first sealing plate 25 is sealed in the first pull rod window 22 to prevent sundries from entering the first limiting rod installation slot 18 from the first pull rod window 22, when the first pull rod 23 is pulled, the first sealing plate 25 is retracted into the first storage slot 24, and does not hinder the movement of the first pull rod 23.

[0031] Example three: on the basis of example two, in order to realize the movable installation of the second early warning arm 9 and the supporting plate 2, a second plug-in slot 26 is arranged on the supporting plate 2, the second early warning arm 9 is movably plugged in the second plug-in slot 26, a second limiting rod installation slot 27 is arranged on the supporting plate 2, a second limiting hole 28 is arranged on the second early warning arm 9, one end of the second limiting rod installation slot 27 movably plugs in the second limiting rod 29, the other end of the second limiting rod 29 movably plugs in the second limiting hole 28, the second limiting rod installation slot 27 is a circular slot, the second limiting hole 28 is a circular hole, the second limiting rod 29 is a circular rod, the top end of the second limiting rod 29 is fixed with a second spring 30, the other end of the second spring 30 is fixed on the inner wall of the second limiting rod installation slot 27, a second lever window 31 is arranged on the supporting plate 2, a second lever 32 is slidably connected in the second lever window 31, one end of the second lever 32 extends into the second limiting rod installation slot 27 and is fixed on the second limiting rod 29, a second storage slot 33 is arranged on the slot body inner wall of the second lever window 31, one end of a second sealing plate 34 is movably plugged in the second storage slot 33, the other end of the second sealing plate 34 is fixed on the second lever 32.

[0032] The second lever 32 is pulled, the second lever 32 slides in the second lever window 31, drives the second limiting rod 29 to be completely retracted into the second limiting rod installation slot 27, then the second early warning arm 9 is inserted into the second plug-in slot 26, the second lever 32 is released, the second spring 30 pushes one end of the second limiting rod 29 into the second limiting hole 28, the second early warning arm 9 is limited in the second plug-in slot 26, the installation of the second early warning arm 9 and the supporting plate 2 can be realized; the second sealing plate 34 is blocked in the second lever window 31 to prevent sundries from entering the second limiting rod installation slot 27 from the second lever window 31, when the second lever 32 is pulled, the second sealing plate 34 is retracted into the second storage slot 33, which does not hinder the movement of the second lever 32.

[0033] In actual use, the slider 4 is located at one end close to the hydraulic linkage 5 in the sliding groove 3 in the transportation state, and the supporting plate 2 is folded and covered on the base 1, and the base 1 and the supporting plate 2 are rotationally connected; in use, the support early warning structure is placed in a deep foundation pit, the hydraulic rod of the hydraulic linkage 5 is elongated to push the slider 4 to move in the sliding groove 3 away from the hydraulic linkage 5, one end of the supporting arm 6 rotates around the slider 4, the other end of the supporting arm 6 rotates around the support 7, thereby supporting the supporting plate 2, making the supporting plate 2 perpendicular to the base 1, and the end of the supporting plate 2 away from the base 1 abuts against the pit wall of the deep foundation pit to support the pit wall, then the first early warning arm 8 is installed on the base 1, and the second early warning arm 9 is installed on the supporting plate 2, when the pit wall of the foundation pit collapses and gradually presses the supporting plate 2 to make the supporting plate 2 incline to the base 1, the second early warning arm 9 is inserted into the connecting groove 10 to a greater depth, when the first contact 11 contacts the second contact 12, the positive electrode of the power supply 15 is electrically connected with the positive electrode of the alarm 16, the negative electrode of the alarm 16 is electrically connected with the first connecting line 13, the other end of the first connecting line 13 is electrically connected with the first contact 11, the second contact 12 is electrically connected with the second connecting line 14, and the other end of the second connecting line 14 is electrically connected with the negative electrode of the power supply 15, so that the power supply 15 and the alarm 16 form a loop, the alarm 16 is electrified to emit an audible and visual signal, that is, the intelligent detection and early warning technology is realized, after the supporting operation is completed, the first early warning arm 8, the second early warning arm 9 and the power supply 15 are removed, the hydraulic rod of the hydraulic linkage 5 is shortened to make the slider 4 move close to the hydraulic linkage 5, so that the supporting plate 2 is folded and stored, the space occupation of the structure is reduced, and transportation is facilitated; a plurality of sawteeth 35 are arranged at the bottom end of the base 1, the friction between the bottom end of the base 1 and the ground can be increased, and sliding of the base 1 during supporting is prevented; the first pull rod 23 is pulled, the first pull rod 23 slides in the first pull rod window 22, the first limiting rod 20 is completely pushed into the first limiting rod installation groove 18, then the first early warning arm 8 is inserted into the first plug-in groove 17, the first pull rod 23 is loosened, one end of the first limiting rod 20 is pushed into the first limiting hole 19 by the first spring 21, the first early warning arm 8 is limited in the first plug-in groove 17, and the installation of the first early warning arm 8 and the base 1 is realized; the first sealing plate 25 is sealed in the first pull rod window 22 to prevent sundries from entering the first limiting rod installation groove 18 from the first pull rod window 22, when the first pull rod 23 is pulled, the first sealing plate 25 is pushed into the first storage groove 24, and the movement of the first pull rod 23 is not hindered; the second pull rod 32 is pulled, the second pull rod 32 slides in the second pull rod window 31, the second limiting rod 29 is completely pushed into the second limiting rod installation groove 27, then the second early warning arm 9 is inserted into the second plug-in groove 26, the second pull rod 32 is loosened, one end of the second limiting rod 29 is pushed into the second limiting hole 28 by the second spring 30, the second early warning arm 9 is limited in the second plug-in groove 26, and the installation of the second early warning arm 9 and the supporting plate 2 is realized;The second sealing plate 34 is arranged in the second lever window 31 to prevent sundries from entering the second limiting rod mounting groove 27 from the second lever window 31, and when the second lever 32 is pushed, the second sealing plate 34 is retracted into the second receiving groove 33, and does not hinder the movement of the second lever 32.

[0034] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are only by way of example and that modifications, changes, substitutions and alterations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A deep foundation pit support early warning structure based on intelligent monitoring, comprising: The base (1) and the support plate (2) are characterized in that: the bottom end of the support plate (2) is rotatably connected to the base (1), a sliding groove (3) is formed in the base (1), a sliding block (4) is slidably connected in the sliding groove (3), a hydraulic connecting rod mechanism (5) is fixed to the base (1), a hydraulic rod of the hydraulic connecting rod mechanism (5) is fixed to the sliding block (4), one end of a support arm (6) is rotatably connected to the sliding block (4), a support base (7) is fixed to the support plate (2), the other end of the support arm (6) is rotatably connected to the support base (7), and a plurality of groups of sawteeth (35) are formed in the bottom end of the base (1).

2. The deep foundation pit support early warning structure based on intelligent monitoring according to claim 1, characterized in that: A first early warning arm (8) is movably mounted on the base (1), a second early warning arm (9) is movably mounted on the support plate (2), the first early warning arm (8) and the second early warning arm (9) are in a fan-shaped structure, a connecting groove (10) is formed in the end of the first early warning arm (8) away from the base (1), and the end of the second early warning arm (9) away from the support plate (2) is movably inserted into the connecting groove (10).

3. The deep foundation pit support early warning structure based on intelligent monitoring according to claim 2, characterized in that: A first contact (11) is fixed to the inner wall of the connecting groove (10), a second contact (12) is fixed to the end of the second early warning arm (9), one end of a first connecting wire (13) is fixed to the surface of the first contact (11), one end of a second connecting wire (14) is fixed to the surface of the second contact (12), the first connecting wire (13) and the second connecting wire (14) are movably inserted into the first early warning arm (8), a power supply (15) is movably mounted on the base (1) through screws, the other ends of the first connecting wire (13) and the second connecting wire (14) are fixed to the power supply (15), and an alarm (16) is fixed to the power supply (15).

4. The deep foundation pit support early warning structure based on intelligent monitoring according to claim 2, characterized in that: A first insertion groove (17) is formed in the base (1), the first early warning arm (8) is movably inserted into the first insertion groove (17), a first limiting rod mounting groove (18) is formed in the base (1), a first limiting hole (19) is formed in the first early warning arm (8), one end of a first limiting rod (20) is movably inserted into the first limiting rod mounting groove (18), and the other end of the first limiting rod (20) is movably inserted into the first limiting hole (19).

5. The intelligent monitoring based deep foundation pit support early warning structure according to claim 4, characterized in that: The first limiting rod mounting groove (18) is in a circular groove structure, the first limiting hole (19) is in a circular hole structure, the first limiting rod (20) is in a circular rod structure, one end of the first limiting rod (20) is fixed with a first spring (21), the other end of the first spring (21) is fixed to the inner wall of the first limiting rod mounting groove (18), a first lever window (22) is formed in the base (1), a first lever (23) is slidably connected in the first lever window (22), and one end of the first lever (23) extends into the first limiting rod mounting groove (18) and is fixed to the first limiting rod (20).

6. The intelligent monitoring based deep foundation pit support early warning structure according to claim 5, characterized in that: A first storage groove (24) is formed in the groove inner wall of the first lever window (22), one end of a first sealing plate (25) is movably inserted into the first storage groove (24), and the other end of the first sealing plate (25) is fixed to the first lever (23).

7. The early warning structure for deep foundation pit support based on intelligent monitoring according to claim 2, characterized in that: The supporting plate (2) is provided with a second insertion slot (26), and the second early warning arm (9) is movably inserted into the second insertion slot (26). The supporting plate (2) is provided with a second limiting rod installation slot (27), and the second early warning arm (9) is provided with a second limiting hole (28). One end of the second limiting rod (29) is movably inserted into the second limiting rod installation slot (27), and the other end of the second limiting rod (29) is movably inserted into the second limiting hole (28).

8. The intelligent monitoring based deep foundation pit support early warning structure according to claim 7, characterized in that: The second limiting rod installation slot (27) is a circular slot body, the second limiting hole (28) is a circular hole, the second limiting rod (29) is a circular rod body, the top end of the second limiting rod (29) is fixedly provided with a second spring (30), the other end of the second spring (30) is fixedly arranged on the inner wall of the second limiting rod installation slot (27), the supporting plate (2) is provided with a second pulling rod window (31), the second pulling rod window (31) is slidably connected with a second pulling rod (32), and one end of the second pulling rod (32) extends into the second limiting rod installation slot (27) and is fixed on the second limiting rod (29).

9. The early warning structure for deep foundation pit support based on intelligent monitoring according to claim 8, characterized in that: The second pulling rod window (31) is provided with a second storage slot (33) on the slot body inner wall, one end of the second sealing plate (34) is movably inserted into the second storage slot (33), and the other end of the second sealing plate (34) is fixed on the second pulling rod (32).

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