A dynamic monitoring device for weathering stability of a foundation pit slope

Abstract

The present application relates to the technical field of foundation pit slope monitoring, in particular to a kind of weathering stability dynamic monitoring device of foundation pit slope, mainly including monitor launch receiver, built-in lens;Protective cover, buckle on monitor launch receiver, and protective cover interior is provided with cleaning assembly;Rotary assembly, it is set in protective cover, for driving cleaning assembly rotation;Scrape off component, for scraping off dust adhered on cleaning assembly;Beneficial effect is that: when monitoring is completed and installs protective cover, first extrusion block extrudes first air bag, and make second air bag swell, by placing plate, clean plate is pushed to lens, third air bag is no longer compressed at this time, second guide block pushes clean plate and moves towards lens, flexible cleaning cotton gradually contacts lens, and lens is cleaned, clean action is bound with this operation, it means that every time after finishing, the action of buckling protective cover is accompanied by cleaning, ensure that cleaning is timely and regularity, without additional memory or operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foundation pit slope monitoring, in particular to a dynamic monitoring device for weathering stability of foundation pit slope. BACKGROUND

[0002] The foundation pit is a soil pit excavated at the foundation design position according to the foundation elevation and the foundation plane size;

[0003] Slope stability monitoring is one of the work that cannot be ignored in highway construction. Through slope stability monitoring, the change of the foundation pit slope can be monitored, so that abnormal conditions can be found in time, and measures can be taken in time to ensure the safe operation of the project. In the prior art, a dynamic monitoring device for stability of foundation pit slope is disclosed in Chinese patent CN119374005A. In the present application, the device comprises a bottom plate, a support column, a top plate and a lifting mechanism. The lifting mechanism comprises a connecting block, a frame body fixedly connected to the right side of the connecting block, a motor fixedly connected to the front end of the frame body, a rotating rod fixedly connected to the output end of the motor, a limiting steel wire rope II provided at the outer end of the rotating rod, a connecting block II fixedly connected to the lower end of the limiting steel wire rope II, a lifting plate fixedly connected to the lower end of the connecting block II, a connecting cross bar fixedly connected to the right side of the lifting plate, and a monitoring device fixedly connected to the right side of the connecting cross bar. The foundation pit slope monitoring device is an existing device for monitoring various physical quantities, environmental conditions or system states. When the height of the monitoring device needs to be adjusted, the motor and the rotating rod are started to drive the limiting steel wire rope II to move up and down, thereby driving the lifting plate to move up and down. The lifting plate is assisted by a sliding block, a vertical sliding groove, a limiting sliding block II and a sliding rod.

[0004] In the above-mentioned technology, the limiting steel wire rope II is driven to move up and down by the motor and the rotating rod, thereby driving the lifting plate to move up and down, so as to adjust the height of the monitoring device. However, the site environment of the foundation pit slope is extremely harsh, and the monitoring device is exposed to the outdoor environment for a long time. Due to the large amount of wind sand and dust at the construction site, the surface of the monitoring device, especially the optical lens, the laser emission / receiving window and other precise sensing elements, is easily covered with dust, mud and other pollutants. However, the cleaning of the lens is often done when the lens is completely blurred, which can cause the dust and other impurities to adhere to the lens and cause damage to the lens over a long period of time. SUMMARY

[0005] The present application aims to provide a dynamic monitoring device for weathering stability of foundation pit slope to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] The utility model provides a kind of foundation pit slope weathering stability dynamic monitoring device, including monitor base, monitor support and monitor launch receiver are installed on the monitor base, lens is provided in the monitor launch receiver, it is characterized by further comprising:

[0008] Protective cover is buckled on the monitor launch receiver, and the inside of the protective cover is provided with a cleaning assembly for cleaning the lens, the cleaning assembly includes a cleaning plate;

[0009] Rotating assembly is arranged in the protective cover, to drive cleaning assembly to rotate, increase the cleaning effect of lens;

[0010] Scraping assembly is used to scrape dust adhered to the cleaning assembly, to prevent dust cleaned by the cleaning assembly from adhering to the cleaning assembly.

[0011] Further, the inside of the protective cover is provided with a storage board corresponding to the position of the lens, a first return spring is arranged between the side wall of the storage board and the inner wall of the protective cover, and the storage board is elastically connected to the protective cover by the first return spring.

[0012] A first guide block is arranged on the outer surface of the storage board, a first guide groove is formed in the inner wall of the protective cover corresponding to the position of the first guide block, and the first guide block is slidingly arranged in the first guide groove.

[0013] Further, a second air bag is arranged between the side wall of the first guide block and the inner wall of the first guide groove.

[0014] A first receiving groove is formed in the side wall of the protective cover corresponding to the end position of the monitor launch receiver, a first extrusion block is inserted into the first receiving groove, and a first air bag is arranged between the end of the first extrusion block and the inner wall of the first receiving groove.

[0015] A first exhaust duct is formed between the first air bag and the second air bag, and the first air bag communicates with the second air bag through the first exhaust duct.

[0016] Further, the storage board is in a hat-shaped structure, the cleaning plate is arranged inside the end of the storage board away from the first return spring, and a recess is formed in the side of the cleaning plate facing the lens, and flexible cleaning cotton is arranged in the recess.

[0017] The rotating assembly comprises a limiting ring arranged inside the storage plate and corresponding to the position of the side wall of the cleaning plate, one end of the cleaning plate is arranged in the interior of the limiting ring, and a rotating shaft is arranged at the central position of the interior of the limiting ring; a counterbore is arranged at the end of the cleaning plate and corresponding to the position of the rotating shaft; and the rotating shaft is arranged in the interior of the counterbore.

[0018] A spiral guide groove is arranged on the outer surface of the rotating shaft; and a third guide block is arranged on the inner wall of the counterbore and corresponding to the position of the spiral guide groove; and the third guide block is arranged in the interior of the spiral guide groove.

[0019] Further, a clamping groove is arranged on the side wall of the cleaning plate and corresponding to the position of the counterbore; and a limiting plate is arranged in the interior of the clamping groove.

[0020] A second guide block is arranged on the outer surface of the limiting plate; a second guide groove is arranged on the inner wall of the limiting ring and corresponding to the position of the second guide block; the second guide block is arranged in the interior of the second guide groove; a second return spring is arranged between the side wall of the second guide block and the inner wall of the second guide groove; and the cleaning plate is elastically connected with the limiting ring through the cooperation of the limiting plate and the second return spring.

[0021] Further, a fourth air bag is arranged between the side wall of the second guide block and the inner wall of the second guide groove.

[0022] A third exhaust pipeline is arranged between each of the fourth air bags.

[0023] A third air bag is arranged between the side wall of the storage plate and the inner wall of the protective cover; a second exhaust pipeline is arranged between the third air bag and the third exhaust pipeline; and each of the fourth air bags is communicated with the third air bag through the cooperation of the second exhaust pipeline and the third exhaust pipeline.

[0024] Further, the scraping assembly comprises a third receiving groove arranged in the interior of the protective cover and corresponding to the position of the flexible cleaning cotton; a supporting rod is arranged in the interior of the third receiving groove; and a fourth return spring is arranged between the lower end of the supporting rod and the bottom end of the interior of the third receiving groove.

[0025] A second receiving groove is arranged on the side wall of the side of the supporting rod facing the flexible cleaning cotton; a scraping plate is arranged in the interior of the second receiving groove; a plurality of groups of third return springs are arranged between the side wall of the scraping plate and the inner wall of the second receiving groove; and the scraping plate is elastically connected with the supporting rod through the plurality of groups of third return springs.

[0026] An oblique cutting surface is arranged on the lower end of the scraping plate.

[0027] Further, a fixing groove is arranged at the lower end of the supporting rod;

[0028] The inner side wall of the third receiving groove is provided with a fifth receiving groove at the position of the fixing groove, a fixing block is arranged in the fifth receiving groove, a fifth reset spring is arranged between the end of the fixing block and the inner wall of the fifth receiving groove, and the fixing block is elastically inserted into the fixing groove through the fifth reset spring.

[0029] Further, a fourth receiving groove is arranged in the inner part of the protective cover at the position of the side wall of the placing plate, and a second extrusion block is arranged in the fourth receiving groove;

[0030] A first through hole is arranged between the fourth receiving groove and the fifth receiving groove, a first pull rope is arranged in the first through hole, and the two ends of the first pull rope are connected with the end of the fixing block and the side wall of the second extrusion block, respectively.

[0031] Further, a sliding groove is arranged in the inner side wall of the protective cover at the position of the supporting rod, a sliding block is arranged in the sliding groove, a second through hole is arranged between the inner part of the sliding groove and the inner bottom end of the third receiving groove, a second pull rope is arranged in the second through hole, and the two ends of the second pull rope are connected with the side wall of the sliding block and the bottom end of the supporting rod, respectively.

[0032] Compared with the prior art, the present application has the following advantages:

[0033] 1. In the non-use state, the lens inside the monitoring instrument transmitter receiver can be protected by the protective cover to prevent dust from entering, and after use, the protective cover needs to be buckled in front of the lens for protection. When the protective cover is installed, the end of the monitoring instrument transmitter receiver extrudes the first extrusion block, the air inside the first air bag on the side of the first extrusion block is discharged to the inside of the second air bag through the first exhaust pipe, the second air bag expands, and the cleaning plate is pushed towards the lens through the placing plate. When the placing plate moves, the third air bag is no longer compressed, at this time, the second guide block moves towards the lens under the action of the second reset spring, and the flexible cleaning cotton gradually contacts the lens during movement to clean the lens. The binding of the cleaning action and the operation means that every time the protective cover is buckled after completion, it is accompanied by an automatic cleaning, which ensures the timeliness and regularity of cleaning, without the need for users to remember or operate extra, greatly improving the automation level and maintenance reliability of the monitoring device.

[0034] 2. The cleaning plate rotates along the rotating shaft under the cooperation of the spiral guide groove and the third guide block, and the contact surface of the flexible cleaning cotton and the lens rotates during the rotation of the cleaning plate to clean the lens by rotation.

[0035] 3. When the protective cover is removed, the storage plate and the cleaning plate are reset, and when the storage plate is reset, the second extrusion block will be extruded, and the second extrusion block will move the fixed block out of the fixed groove under the cooperation of the first pull rope, at this time the supporting rod is ejected under the action of the fourth reset spring, the elastically arranged scraper contacts the surface of the flexible cleaning cotton, at the same time, the flexible cleaning cotton contacts the scraper on the surface of the flexible cleaning cotton during rotation reset, and the scraper realizes scraping of dust adhered to the surface of the flexible cleaning cotton. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a schematic diagram of the three-dimensional structure of the application;

[0037] Figure 2 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application;

[0038] Figure 3 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application; Figure 2

[0039] Figure 4 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application; Figure 3

[0040] Figure 5 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application;

[0041] Figure 6 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application; Figure 5

[0042] Figure 7 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application; Figure 5

[0043] Figure 8 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application;

[0044] Figure 9 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application; Figure 8

[0045] Figure 10 It is a schematic diagram of the structure connection of the monitoring instrument transmitter receiver and the protective cover of the application;

[0046] ​​​​​As shown in the figure, the base 1 of the monitor, the support 2 of the monitor, the transmitter-receiver 3 of the monitor, the protective cover 4, the lens 5, the first receiving groove 6, the first extrusion block 7, the first air bag 8, the first exhaust duct 9, the first guide groove 10, the second air bag 11, the first guide block 12, the storage plate 13, the first return spring 14, the third air bag 15, the cleaning plate 16, the groove 17, the flexible cleaning cotton 18, the second exhaust duct 19, the third exhaust duct 20, the rotating shaft 21, the spiral guide groove 22, the limiting plate 24, the second guide groove 25, the second return spring 26, the second guide block 27, the fourth air bag 28, the counterbore 29, the clamping groove 30, the supporting rod 31, the second receiving groove 32, the scraper 33, the third return spring 34, the third receiving groove 35, the fourth return spring 36, the bevel 37, the fixing groove 38, the fourth receiving groove 39, the second extrusion block 40, the first through hole 41, the first pull rope 42, the sliding groove 43, the sliding block 44, the second through hole 45, the second pull rope 46, the fifth receiving groove 47, the fixing block 48, the fifth return spring 49, the third guide block 50, and the limiting ring 51. DETAILED DESCRIPTION

[0047] In order to more clearly explain the overall concept of the present application, the following will be described in detail in an exemplary manner in combination with the drawings of the specification. Embodiment One

[0048] Please refer to Figures 1 to 10 The present application provides a technical solution: a dynamic monitoring device for weathering stability of a foundation pit slope, comprising a monitor base 1, wherein a monitor support 2 and a monitor transmitter-receiver 3 are installed on the monitor base 1, and a lens 5 is arranged in the monitor transmitter-receiver 3.

[0049] A protective cover 4 is buckled on the monitor transmitter-receiver 3, and a cleaning assembly is arranged in the interior of the protective cover 4 for cleaning the lens 5, wherein the cleaning assembly comprises a cleaning plate 16.

[0050] A rotating assembly is arranged in the protective cover 4 for driving the cleaning assembly to rotate, thereby increasing the cleaning effect on the lens 5.

[0051] A scraping assembly is arranged for scraping dust adhered to the cleaning assembly, thereby preventing the dust cleaned by the cleaning assembly from adhering to the cleaning assembly.

[0052] The monitor transmitter-receiver 3 monitors the foundation pit slope, and an alarm device is electrically connected with the monitor transmitter-receiver 3, so that when the foundation pit slope is displaced or vibrated, the monitor transmitter-receiver 3 sends a signal to the alarm device, and the alarm device sends an alarm.

[0053] After the work is completed, the lens 5 inside the transmitter and receiver 3 of the monitor is protected by the protective cover 4. During the installation process, the cleaning component inside the protective cover 4 comes into contact with the lens 5 and cleans the surface of the lens 5. During the cleaning process, the rotating component drives the cleaning component to rotate, thereby achieving rotational cleaning of the lens 5 and enhancing the cleaning effect.

[0054] When the protective cover 4 is removed, the scraping component can scrape off the dust adhering to the cleaning component, preventing the dust on the cleaning component from adhering to the surface of the lens 5 during the next cleaning. Example 2:

[0055] like Figures 2-3 As shown, the dynamic monitoring device for weathering stability of foundation pit slope disclosed in Embodiment 2 of the present invention has a structure that is basically the same as that in Embodiment 1, except that:

[0056] Inside the protective cover 4, at a position corresponding to the lens 5, a shelf 13 is provided. A first return spring 14 is provided between the side wall of the shelf 13 and the inner wall of the protective cover 4. The shelf 13 is elastically connected to the protective cover 4 through the first return spring 14.

[0057] The outer surface of the shelf 13 is provided with a first guide block 12, and the inner wall of the protective cover 4 is provided with a first guide groove 10 corresponding to the position of the first guide block 12. The first guide block 12 is slidably disposed inside the first guide groove 10.

[0058] A second airbag 11 is provided between the side wall of the first guide block 12 and the inner wall of the first guide groove 10;

[0059] The protective cover 4 has a first storage groove 6 at the end position of the monitor transmitter receiver 3. A first compression block 7 is inserted into the first storage groove 6, and a first airbag 8 is provided between the end of the first compression block 7 and the inner wall of the first storage groove 6.

[0060] A first exhaust pipe 9 is provided between the first airbag 8 and the second airbag 11, and the first airbag 8 is connected to the second airbag 11 through the first exhaust pipe 9.

[0061] When the protective cover 4 is installed, the end of the transmitter receiver 3 of the monitor squeezes the first compression block 7. The air inside the first airbag 8 on one side of the first compression block 7 is discharged into the second airbag 11 through the first exhaust pipe 9. The second airbag 11 expands and pushes the cleaning plate 16 toward the lens 5 through the placement plate 13. Example 3:

[0062] like Figures 3-4As shown, the base pit slope weathering stability dynamic monitoring device disclosed in the embodiment three of the present application is basically same as that in the embodiment two, and the difference is that:

[0063] The cleaning plate 16 is arranged inside the storage plate 13 away from one end of the first reset spring 14, and a groove 17 is formed on the side of the cleaning plate 16 facing the lens 5, and flexible cleaning cotton 18 is arranged inside the groove 17.

[0064] The second air bag 11 is inflated, the cleaning plate 16 is pushed to the lens 5 through the storage plate 13, and at this time, the flexible cleaning cotton 18 gradually contacts the lens 5 to clean the lens 5. Embodiment four:

[0065] As shown, the base pit slope weathering stability dynamic monitoring device disclosed in the embodiment four of the present application is basically same as that in the embodiment three, and the difference is that: Figures 3-4 and Figures 8-10 As shown, the base pit slope weathering stability dynamic monitoring device disclosed in the embodiment four of the present application is basically same as that in the embodiment three, and the difference is that:

[0066] The rotating assembly comprises a limiting ring 51 arranged inside the storage plate 13 corresponding to the position of the side wall of the cleaning plate 16, one end of the cleaning plate 16 is inserted and arranged inside the limiting ring 51, a rotating shaft 21 is arranged at the central position inside the limiting ring 51, a counterbore 29 is formed on the end of the cleaning plate 16 corresponding to the position of the rotating shaft 21, and the rotating shaft 21 is inserted and arranged inside the counterbore 29;

[0067] A clamping groove 30 is formed on the side wall of the cleaning plate 16 corresponding to the position of the counterbore 29, and a limiting plate 24 is rotatably arranged inside the clamping groove 30;

[0068] A second guide block 27 is arranged on the outer surface of the limiting plate 24, a second guide groove 25 is formed on the inner wall of the limiting ring 51 corresponding to the position of the second guide block 27, the second guide block 27 is slidably arranged inside the second guide groove 25, a second reset spring 26 is arranged between the side wall of the second guide block 27 and the inner wall of the second guide groove 25, and the cleaning plate 16 is elastically rotatably connected with the limiting ring 51 through cooperation of the limiting plate 24 and the second reset spring 26;

[0069] A fourth air bag 28 is arranged between the side wall of the second guide block 27 and the inner wall of the second guide groove 25;

[0070] A third exhaust pipe 20 is formed between each of the fourth air bags 28;

[0071] A third air bag 15 is arranged between the side wall of the storage plate 13 and the inner wall of the protective cover 4, a second exhaust duct 19 is arranged between the third air bag 15 and the third exhaust duct 20, and each fourth air bag 28 is in communication with the third air bag 15 through cooperation of the second exhaust duct 19 and the third exhaust duct 20.

[0072] When the storage plate 13 moves, the third air bag 15 is no longer compressed, at this time, the second guide block 27 pushes the cleaning plate 16 to move towards the lens 5 under the action of the second return spring 26, and when moving, the flexible cleaning cotton 18 gradually contacts the lens 5 to clean the lens 5. Embodiment five:

[0073] As shown in Figures 3-4 and Figures 8-10 The dynamic monitoring device for weathering stability of a foundation pit slope disclosed in the sixth embodiment of the present application is basically the same in structure as that in the fifth embodiment, and the difference lies in that:

[0074] The outer surface of the rotating shaft 21 is provided with a spiral guide groove 22, the inner wall of the counterbore 29 is provided with a third guide block 50 at a position corresponding to the spiral guide groove 22, and the third guide block 50 is inserted into the inside of the spiral guide groove 22.

[0075] The cleaning plate 16 rotates along the rotating shaft 21 under cooperation of the spiral guide groove 22 and the third guide block 50, and when the cleaning plate 16 rotates, the contact surface of the flexible cleaning cotton 18 with the lens 5 rotates to clean the lens 5. Embodiment six:

[0076] As shown in Figures 4-5 The dynamic monitoring device for weathering stability of a foundation pit slope disclosed in the sixth embodiment of the present application is basically the same in structure as that in the fifth embodiment, and the difference lies in that:

[0077] The scraping assembly comprises a third receiving groove 35 arranged inside the protective cover 4 at a position corresponding to the flexible cleaning cotton 18, a supporting rod 31 is inserted into the inside of the third receiving groove 35, and a fourth return spring 36 is arranged between the lower end of the supporting rod 31 and the inner bottom end of the third receiving groove 35.

[0078] A second receiving groove 32 is arranged in the side wall of the side of the supporting rod 31 facing the flexible cleaning cotton 18, a scraper 33 is arranged in the inside of the second receiving groove 32, a plurality of groups of third return springs 34 are arranged between the side wall of the scraper 33 and the inner wall of the second receiving groove 32, and the scraper 33 is elastically connected with the supporting rod 31 through the plurality of groups of third return springs 34.

[0079] The lower end of the scraper 33 is provided with a bevel 37.

[0080] The lower end of the supporting rod 31 is provided with a fixing groove 38.

[0081] The inner side wall of the third receiving groove 35 is provided with a fifth receiving groove 47 corresponding to the position of the fixing groove 38, the fifth receiving groove 47 is provided with a fixing block 48 inside, the fifth reset spring 49 is arranged between the end of the fixing block 48 and the inner wall of the fifth receiving groove 47, and the fixing block 48 is elastically inserted into the fixing groove 38 through the fifth reset spring 49.

[0082] The inner side wall of the protective cover 4 is provided with a fourth receiving groove 39 corresponding to the position of the side wall of the placing plate 13, and the fourth receiving groove 39 is provided with a second extrusion block 40 inside.

[0083] The first through hole 41 is arranged between the fourth receiving groove 39 and the fifth receiving groove 47, the first pull rope 42 is arranged in the first through hole 41, and the two ends of the first pull rope 42 are connected with the end of the fixing block 48 and the side wall of the second extrusion block 40 respectively.

[0084] When the protective cover 4 is removed, the placing plate 13 and the cleaning plate 16 are reset, the placing plate 13 will extrude the second extrusion block 40 when being reset, the second extrusion block 40 moves the fixing block 48 out of the fixing groove 38 under the cooperation of the first pull rope 42, at this time, the supporting rod 31 is popped out under the action of the fourth reset spring 36, the elastically arranged scraper 33 is in contact with the surface of the flexible cleaning cotton 18, and the surface of the flexible cleaning cotton 18 is in contact with the scraper 33 when the flexible cleaning cotton 18 is reset, so that the dust adhered to the surface of the flexible cleaning cotton 18 is scraped off through the scraper 33. Example seven

[0085] As shown in the drawings, Figure 6 The difference between the dynamic monitoring device for the weathering stability of the foundation pit slope disclosed in the embodiment seven of the present application and the embodiment six is that:

[0086] The inner side wall of the protective cover 4 is provided with a sliding groove 43 corresponding to the position of the supporting rod 31, the sliding groove 43 is provided with a sliding block 44 inside, the second through hole 45 is arranged between the inner side wall of the sliding groove 43 and the inner bottom end of the third receiving groove 35, the second pull rope 46 is arranged in the second through hole 45, and the two ends of the second pull rope 46 are connected with the side wall of the sliding block 44 and the bottom end of the supporting rod 31 respectively.

[0087] When the protective cover 4 is installed, the end of the monitor launch receiver 3 pushes the slider 44 to move, and when the slider 44 moves, the second pull rope 46 drives the support rod 31 to move downwards to the inside of the third storage groove 35, when the end of the monitor launch receiver 3 contacts the first extrusion block 7, the placement plate 13 moves, and at this time, the elastically arranged fixing block 48 is popped out to limit the downward moving support rod 31.

[0088] The specific scheme is as follows: the monitor launch receiver 3 monitors the foundation pit slope, and the alarm device is electrically connected with the monitor launch receiver 3, when the foundation pit slope is displaced or vibrated, the monitor launch receiver 3 sends a signal to the alarm device to make the alarm device alarm.

[0089] After use, the protective cover 4 is installed to the end of the monitor launch receiver 3, when the protective cover 4 is installed, the end of the monitor launch receiver 3 extrudes the first extrusion block 7, the air in the first air bag 8 on one side of the first extrusion block 7 is discharged to the inside of the second air bag 11 through the first exhaust pipe 9, the second air bag 11 is inflated, the cleaning plate 16 is pushed to the lens 5 through the placement plate 13, when the placement plate 13 moves, the third air bag 15 is no longer compressed, at this time, the second guide block 27 pushes the cleaning plate 16 to move towards the lens 5 under the action of the second return spring 26, when moving, the flexible cleaning cotton 18 gradually contacts the lens 5, and the lens 5 is cleaned, in the moving process, the cleaning plate 16 rotates along the rotating shaft 21 under the cooperation of the spiral guide groove 22 and the third guide block 50, when the cleaning plate 16 rotates, the contact surface of the flexible cleaning cotton 18 with the lens 5 rotates, and the lens 5 is cleaned by rotation.

[0090] Next time, the protective cover 4 is removed, at this time, the placement plate 13 and the cleaning plate 16 are reset, when the placement plate 13 is reset, the second extrusion block 40 is extruded, the second extrusion block 40 moves the fixing block 48 out of the fixing groove 38 under the cooperation of the first pull rope 42, at this time, the support rod 31 is popped out under the action of the fourth return spring 36, the elastically arranged scraper 33 contacts the surface of the flexible cleaning cotton 18, and at the same time, the surface of the flexible cleaning cotton 18 contacts the scraper 33 when the flexible cleaning cotton 18 rotates, and the dust adhered to the surface of the flexible cleaning cotton 18 is scraped off through the scraper 33.

[0091] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A foundation pit slope weathering stability dynamic monitoring device, comprising a monitoring instrument base (1), a monitoring instrument support (2) and a monitoring instrument transmitter-receiver (3) are installed on the monitoring instrument base (1), a lens (5) is arranged in the monitoring instrument transmitter-receiver (3), characterized in that, Also include: The protective cover (4) is buckled on the monitor transmitter-receiver (3), and a cleaning assembly is arranged in the protective cover (4) for cleaning the lens (5), and the cleaning assembly comprises a cleaning plate (16); A rotating assembly is arranged in the protective cover (4) for driving the cleaning assembly to rotate, thereby increasing the cleaning effect on the lens (5); A scraping assembly is arranged for scraping dust adhered to the cleaning assembly, thereby preventing the dust cleaned by the cleaning assembly from adhering to the cleaning assembly; The protective cover (4) is provided with a storage plate (13) corresponding to the position of the lens (5), a first reset spring (14) is arranged between the storage plate (13) and the protective cover (4), and the storage plate (13) is elastically connected to the protective cover (4) through the first reset spring (14); The storage plate (13) is provided with a first guide block (12), the protective cover (4) is provided with a first guide groove (10) corresponding to the position of the first guide block (12), and the first guide block (12) is slidingly arranged in the first guide groove (10); A second air bag (11) is arranged between the first guide block (12) and the first guide groove (10); The protective cover (4) is provided with a first receiving groove (6) corresponding to the position of the monitor transmitter-receiver (3), a first extrusion block (7) is inserted and arranged in the first receiving groove (6), and a first air bag (8) is arranged between the first extrusion block (7) and the first receiving groove (6); A first exhaust pipe (9) is arranged between the first air bag (8) and the second air bag (11), and the first air bag (8) is in communication with the second air bag (11) through the first exhaust pipe (9); The cleaning plate (16) is arranged in the storage plate (13), and a recess (17) is arranged in the cleaning plate (16) corresponding to the position of the lens (5), and a flexible cleaning cotton (18) is arranged in the recess (17); The rotating assembly comprises a limiting ring (51) arranged in the storage plate (13) corresponding to the position of the cleaning plate (16), one end of the cleaning plate (16) is inserted and arranged in the limiting ring (51), a rotating shaft (21) is arranged in the limiting ring (51), a counterbore (29) is arranged in the cleaning plate (16) corresponding to the position of the rotating shaft (21), and the rotating shaft (21) is inserted and arranged in the counterbore (29); The rotating shaft (21) is provided with a spiral guide groove (22), the counterbore (29) is provided with a third guide block (50) corresponding to the position of the spiral guide groove (22), and the third guide block (50) is inserted in the spiral guide groove (22).

2. The foundation pit slope weathering stability dynamic monitoring device according to claim 1, characterized in that, The cleaning plate (16) is provided with a clamping groove (30) corresponding to the position of the counterbore (29), and a limiting plate (24) is rotatably arranged in the clamping groove (30). The limiting plate (24) is provided with a second guide block (27), an inner wall of the limiting ring (51) is provided with a second guide groove (25) corresponding to a position of the second guide block (27), the second guide block (27) is slidingly arranged in the second guide groove (25), and a second reset spring (26) is arranged between the second guide block (27) and the second guide groove (25), and the cleaning plate (16) is elastically connected with the limiting ring (51) through cooperation of the limiting plate (24) and the second reset spring (26).

3. The foundation pit slope weathering stability dynamic monitoring device according to claim 2, characterized in that, A fourth air bag (28) is arranged between the second guide block (27) and the second guide groove (25); A third exhaust duct (20) is arranged between each of the fourth air bags (28); A third air bag (15) is arranged between the storage plate (13) and the protective cover (4), a second exhaust duct (19) is arranged between the third air bag (15) and the third exhaust duct (20), and each of the fourth air bags (28) is communicated with the third air bag (15) through cooperation of the second exhaust duct (19) and the third exhaust duct (20).

4. The foundation pit slope weathering stability dynamic monitoring device according to claim 1, characterized in that, The scraping assembly comprises a third receiving groove (35) arranged at a position of the protective cover (4) corresponding to the flexible cleaning cotton (18), a supporting rod (31) is inserted into the third receiving groove (35), and a fourth reset spring (36) is arranged between the supporting rod (31) and the third receiving groove (35); A second receiving groove (32) is arranged at a position of the supporting rod (31) facing the flexible cleaning cotton (18), a scraper (33) is arranged in the second receiving groove (32), and a plurality of groups of third reset springs (34) are arranged between the scraper (33) and the second receiving groove (32), and the scraper (33) is elastically connected with the supporting rod (31) through the plurality of groups of third reset springs (34); An inclined surface (37) is arranged on the scraper (33).

5. The foundation pit slope weathering stability dynamic monitoring device according to claim 4, characterized in that, A fixing groove (38) is arranged on one side of the supporting rod (31); A fifth receiving groove (47) is arranged at a position of the third receiving groove (35) corresponding to the fixing groove (38), a fixing block (48) is inserted into the fifth receiving groove (47), and a fifth reset spring (49) is arranged between the fixing block (48) and the fifth receiving groove (47), and the fixing block (48) is elastically inserted into the fixing groove (38) through the fifth reset spring (49).

6. The foundation pit slope weathering stability dynamic monitoring device according to claim 5, characterized in that, A fourth receiving groove (39) is arranged at a position of the protective cover (4) corresponding to the storage plate (13), and a second extrusion block (40) is inserted into the fourth receiving groove (39); A first through hole (41) is arranged between the fourth receiving groove (39) and the fifth receiving groove (47), a first pull rope (42) is arranged in the first through hole (41), and both ends of the first pull rope (42) are connected with the fixing block (48) and the second extrusion block (40) respectively.

7. The foundation pit slope weathering stability dynamic monitoring device according to claim 6, characterized in that, The protective cover (4) is provided with a sliding groove (43) corresponding to the position of the supporting rod (31), a sliding block (44) is slidably arranged in the sliding groove (43), a second through hole (45) is arranged between the sliding groove (43) and the third receiving groove (35), a second pull rope (46) is arranged in the second through hole (45), and two ends of the second pull rope (46) are connected with the sliding block (44) and the supporting rod (31) respectively.

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