CN218729310U

CN218729310U - Alarm device for preventing foundation pit slope collapse

Info

Publication number: CN218729310U
Application number: CN202221836759.XU
Authority: CN
Inventors: 张进良; 王冬; 谭量; 孙雁; 王亮; 邢宏; 王雨; 刘沛华; 苏建远; 卢志刚; 樊令刚; 徐国帅; 郭文祥; 梁世雄
Original assignee: China Railway Sixth Group Co Ltd; Fengqiao Bridge Co Ltd of China Railway Sixth Group Co Ltd
Current assignee: China Railway Sixth Group Co Ltd; Fengqiao Bridge Co Ltd of China Railway Sixth Group Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-03-24
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a prevention foundation ditch side slope alarm device that collapses, including base, receiving piece, support frame, response structure and alarm unit. The base is used for being fixedly arranged on the side wall surface to be detected of the foundation pit; the bearing piece is positioned above the base and used for bearing soil falling from the side wall of the foundation pit due to looseness; the supporting frame is rotatably arranged on the base, is connected with the bearing piece, is used for supporting the bearing piece, and deforms under the pressure change of the bearing piece after soil falls onto the bearing piece; the induction structure is arranged on the support frame and used for monitoring the deformation of the support frame; the alarm unit is arranged on the base, electrically connected with the sensing structure and used for receiving the signal of the sensing structure and giving an alarm. The utility model provides a prevention foundation ditch side slope alarm device that collapses aims at solving the unable not hard up problem of real-time supervision foundation ditch soil of prior art.

Description

Alarm device for preventing foundation pit slope collapse

Technical Field

The utility model belongs to the technical field of the foundation ditch monitoring, concretely relates to prevention foundation ditch side slope alarm device that collapses.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is performed, a side slope can be placed for people who do not excavate deeply, the soil slope is stable, and the slope is determined according to relevant construction regulations. Because the foundation ditch need carry out the construction of longer a period of time in its inside after the excavation is accomplished, consequently the requirement to the stability of foundation ditch is very high, in case find that the foundation ditch appears the phenomenon that is about to collapse, need remind the staff to withdraw inside the foundation ditch immediately.

In the prior art, detection to the foundation pit mainly still mainly relies on regular monitoring of measuring instruments such as total powerstation to realize the detection of foundation pit slope deformation, and this kind of method is the deformation condition of understanding the foundation pit that can be accurate, but can't carry out real-time incessant monitoring, has great time blind area, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevention foundation ditch side slope alarm device that collapses aims at solving the unable not hard up problem of real-time supervision foundation ditch soil of prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a prevention foundation ditch side slope collapse alarm device, includes:

the base is fixedly arranged on the side wall surface to be detected of the foundation pit;

the bearing piece is positioned above the base and used for bearing soil falling from the side wall of the foundation pit due to looseness;

the supporting frame is rotatably arranged on the base, is connected with the bearing piece, is used for supporting the bearing piece, and deforms under the pressure change of the bearing piece after soil falls onto the bearing piece;

the induction structure is arranged on the support frame and used for monitoring the deformation of the support frame;

and the alarm unit is arranged on the base, is electrically connected with the sensing structure, and is used for receiving the signal of the sensing structure and giving an alarm.

In one possible implementation manner, the support frame comprises a support rod, an arc-shaped guide rod and a spring; the two support rods are rotatably arranged on the base, and the rotation axes of the two support rods are arranged along the horizontal direction and in a collinear manner; each supporting rod is provided with a rotating hole which is rotatably connected with the base, and the rotating hole is positioned in the middle of the supporting rod along the length direction of the supporting rod; the two support rods form a scissor-type structure together; the number of the arc-shaped guide rods is two, the two arc-shaped guide rods are respectively arranged corresponding to the two support rods, one end of any one arc-shaped guide rod is connected with the top of one support rod in a sliding mode, and the other end of the arc-shaped guide rod is connected with the bottom of the other support rod in a sliding mode; the spring is sleeved on the periphery of the arc-shaped guide rod, and two ends of the spring are respectively abutted against the two support rods;

each support rod is provided with two sliding holes for the arc-shaped guide rods to penetrate through, and the two sliding holes are respectively positioned on two sides of the rotating hole.

In a possible implementation manner, each support rod comprises a rod body and a first sliding block; the rod body is rotatably connected with the base, and the sliding hole and the rotating hole are both positioned on the rod body; the first sliding block is arranged at the top end of the rod body and is hinged to the rod body, and the first sliding block is connected with the bearing piece in a sliding mode.

In a possible implementation manner, two induction structures are provided, and the two induction structures are arranged in one-to-one correspondence with the two rod bodies; each induction structure comprises two position sensors, and the two position sensors are positioned on the corresponding rod bodies and positioned on two sides of the rotary hole respectively; each position sensor all with alarm unit electric connection.

In a possible implementation manner, the support frame further comprises a second sliding block and an auxiliary plate; the number of the second sliding blocks is two, the two second sliding blocks are respectively arranged in one-to-one correspondence with the two rod bodies, and each second sliding block is hinged with the bottom end of the corresponding rod body; the auxiliary plate is horizontally arranged and is used for the sliding connection of the second sliding block.

In a possible implementation manner, the base includes a base plate and a fixing assembly, each rod is rotatably connected to the base plate, and the fixing assembly is connected to the base plate; the fixing assembly comprises a fixing plate and a fixing rod, and the fixing plate is detachably connected with the substrate; the dead lever is equipped with a plurality ofly, and is a plurality of the even interval of dead lever set up in on the fixed plate, it is a plurality of the dead lever is used for setting firmly on the lateral wall face that awaits measuring of foundation ditch.

In a possible implementation manner, one end of each fixing rod is connected with the fixing plate, the other end of each fixing rod extends along a normal direction of the fixing plate, and the other end of each fixing rod is provided with a rubber bottom plug.

In a possible implementation manner, the fixing assembly further includes a plurality of extension rods, each of the extension rods is disposed in one-to-one correspondence with each of the fixing rods, each of the extension rods is sleeved on the periphery of each of the corresponding fixing rods, and each of the extension rods is in threaded connection with each of the corresponding fixing rods.

The utility model provides a prevention foundation ditch side slope alarm device that collapses's beneficial effect lies in: compared with the prior art, accept the earth that the foundation ditch lateral wall dropped because of becoming flexible through the acceptor, the support frame rotates and sets up on the base, and link to each other with the acceptor, the acceptor drives the support frame and slides under the action of gravity that drops earth, the response structure sets up on the support frame, and response structure and alarm unit electric connection, thereby take place to warp because of the pressure variation who receives the acceptor when the support frame, the deformation of response structure monitoring support frame, then with signal transmission to alarm unit, alarm unit sends the police dispatch newspaper, thereby when there is not staff in the foundation ditch, also can realize the not hard up condition real-time supervision of foundation ditch through alarm device, the practicality is good.

Drawings

Fig. 1 is a schematic structural view of an alarm device for preventing collapse of a foundation pit slope provided by an embodiment of the utility model;

fig. 2 is a schematic view of a local structure of the alarm device for preventing collapse of the foundation pit side slope provided by the embodiment of the utility model;

fig. 3 is a first schematic structural diagram of a fixing assembly of the alarm device for preventing collapse of a foundation pit slope provided by the embodiment of the utility model;

fig. 4 is the embodiment of the utility model provides a prevention foundation ditch side slope collapse alarm device's fixed subassembly structural schematic diagram two.

Description of reference numerals:

10. a base; 11. a substrate; 12. a fixing assembly; 121. a fixing plate; 122. fixing the rod; 123. a rubber bottom plug; 124. an extension pole; 125. an operating member; 20. a receiving member; 30. an induction structure; 40. a support frame; 41. a rod body; 42. a first slider; 43. an arc-shaped guide rod; 44. a spring; 45. a limiting block; 46. a second slider; 47. an auxiliary plate; 50. and an alarm unit.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In addition, the meaning of "a plurality" or "a number" is two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the alarm device for preventing collapse of foundation pit and side slope provided by the present invention will now be described. The alarm device for preventing foundation pit slope collapse comprises a base 10, a bearing part 20, a support frame 40, a sensing structure 30 and an alarm unit 50. The base 10 is used to be fixed on the side wall surface of the foundation pit to be measured. The bearing part 20 is located above the base 10, and the bearing part 20 is used for bearing soil falling from the side wall of the foundation pit due to looseness. The supporting frame 40 is rotatably disposed on the base 10 and connected to the receiving member 20. The supporting frame 40 is used for supporting the socket 20, and when soil falls onto the socket 20, the soil is subjected to pressure change of the socket 20 and changes. The sensing structure 30 is disposed on the support frame 40 for monitoring deformation of the support frame 40. The alarm unit 50 is disposed on the base 10 and electrically connected to the sensing structure 30. The alarm unit 50 is used for receiving the signal of the sensing structure 30 and giving an alarm.

The embodiment of the utility model provides a prevention foundation ditch side slope alarm device that collapses, compared with the prior art, accept the earth that the foundation ditch lateral wall dropped because of becoming flexible through accepting 20, support frame 40 rotates and sets up on base 10, and link to each other with accepting 20, accepting 20 drives support frame 40 and slides under the action of gravity that drops earth, response structure 30 sets up on support frame 40, and response structure 30 and alarm unit 50 electric connection, thereby take place to warp because of receiving the pressure variation of accepting 20 when support frame 40, response structure 30 monitors the deformation of support frame 40, then with signal transmission to alarm unit 50, alarm unit 50 sends out the police dispatch newspaper, thereby when there is not staff in the foundation ditch, also can realize the not hard up condition real-time supervision of foundation ditch through alarm device, the practicality is good.

In some embodiments, the alarm unit 50 includes a controller and an alarm, and the sensing structure 30 and the alarm are electrically connected to the controller. The sensing structure 30 transmits a signal of the detected deformation of the supporting frame 40 to the controller, and then the controller transmits the signal to the alarm to make the alarm give an alarm.

In some embodiments, referring to fig. 1 and 2, the supporting frame 40 includes a supporting rod, an arc-shaped guiding rod 43 and a spring 44. The bracing piece is equipped with two, and two bracing pieces all rotate to set up on base 10, and the axis of rotation of two bracing pieces sets up along the horizontal direction, and the axis of rotation collineation of two bracing pieces. Each support rod has a rotation hole rotatably connected to the base 10, and the rotation hole is located at a middle position of the support rod along a length direction of the support rod. The two support rods together form a scissor-type structure. The number of the arc-shaped guide rods 43 is two, the two arc-shaped guide rods 43 are respectively arranged corresponding to the two support rods, one end of any one arc-shaped guide rod 43 is connected with the top of one support rod in a sliding mode, and the other end of the arc-shaped guide rod 43 is connected with the bottom of the other support rod in a sliding mode. The spring 44 is sleeved on the periphery of the arc-shaped guide rod 43, and two ends of the spring 44 are respectively abutted against the two support rods.

Wherein, each support rod is provided with two sliding holes for the arc-shaped guide rod 43 to pass through, and the two sliding holes are respectively positioned at two sides of the rotating hole.

In this embodiment, the two support rods are rotatably disposed on the base 10, and the two support rods jointly form a scissor-type structure, the two mutually guiding rods are respectively disposed corresponding to the two support rods, one end of any one of the arc-shaped guiding rods 43 is slidably connected to the top of one of the support rods, and the other end of the arc-shaped guiding rod 43 is slidably connected to the bottom of the other support rod. The spring 44 is sleeved on the periphery of the arc-shaped guide rod 43, and two ends of the spring 44 are respectively abutted against the two support rods. When the soil that drops on the lateral wall of the foundation pit falls on the bearing part 20, the bearing part 20 presses the two support rods to rotate around the corresponding rotation axes under the action of gravity, then the deformation of the support frame 40 is monitored through the sensing structure 30, and the sensing structure 30 transmits a signal to the alarm unit 50. Arc guide bar 43 and bracing piece sliding connection, and the cover is equipped with spring 44 on the arc guide bar 43 to two bracing pieces are rotating the in-process, and spring 44 plays a supporting role to the bracing piece, and can offset the vibration of bracing piece, strengthens the stability of bracing piece at the rotation in-process. And in the process that two bracing pieces rotate, spring 44 is compressed, avoids two bracing pieces to take place the fast rotation and lead to the bracing piece to damage, reinforcing practicality.

In some embodiments, referring to fig. 1 and fig. 2, two ends of each arc-shaped guiding rod 43 are respectively provided with a limiting block 45 to prevent the arc-shaped guiding rods 43 from falling off from the sliding holes of the rod body 41.

In some embodiments, referring to fig. 2, the base 10 is provided with a sliding opening for the support rod to pass through when the two support rods rotate.

In some embodiments, referring to fig. 1, each support rod includes a rod 41 and a first slider 42. The lever 41 is rotatably connected to the base 10. The slide hole and the rotary hole are both arranged on the rod body 41. The first slider 42 is disposed at the top end of the rod 41 and hinged to the rod 41. The first slide 42 is slidably connected to the adapter 20. Specifically, the two rod bodies 41 correspond to the two first sliding blocks 42, and the receiving member 20 is provided with a first sliding slot adapted to the first sliding blocks 42. Alternatively, the adapter 20 is a rectangular plate. In this embodiment, the lower end surface of the bearing member 20 is provided with two first sliding grooves arranged at intervals along the length direction of the bearing member 20, the two first sliding grooves correspond to the two first sliding blocks 42 respectively, and when soil falls onto the bearing member 20, the two first sliding blocks 42 slide back to back along the length direction of the bearing member 20 under the pressure action of the bearing member 20. After the soil is cleaned, the compressed spring 44 returns to normal, and under the elastic force of the spring 44, the two first sliding blocks 42 slide towards each other along the length direction of the bearing part 20, and the two supporting rods return to the original positions for reuse.

In some embodiments, referring to fig. 1, two sensing structures 30 are provided, and the two sensing structures 30 are disposed corresponding to the two rods 41 one by one. Each sensing structure 30 includes two position sensors, and the two position sensors are located on the corresponding rod 41 and located on two sides of the rotating hole respectively. Each position sensor is electrically connected to the alarm unit 50. In this embodiment, the two sides of the rotating hole of each rod body 41 are respectively provided with a position sensor, so that in the rotating process of the rod body 41, the position sensors rotate along with the rod body 41, and each position sensor is electrically connected with the alarm unit 50, so that signals are transmitted to the alarm unit 50 through the position sensors.

In some embodiments, referring to fig. 1, the supporting frame 40 further includes a second sliding block 46 and an auxiliary plate 47. Two second sliding blocks 46 are provided, and the two second sliding blocks 46 are respectively arranged corresponding to the two rod bodies 41 one by one. Each second slider 46 is hinged to the bottom end of the corresponding rod 41. The auxiliary plate 47 is disposed horizontally and slidably connected to the second slider 46. Optionally, a second sliding slot matched with the second sliding block 46 is arranged on the auxiliary plate 47. The auxiliary plate 47 is a rectangular plate. In this embodiment, two second sliding grooves are formed on the upper end surface of the auxiliary plate 47 at intervals along the length direction of the auxiliary plate 47, the two second sliding grooves correspond to the two second sliding blocks 46, and when soil falls onto the receiving member 20, the two second sliding blocks 46 slide back to back along the length direction of the auxiliary plate 47 under the pressure of the receiving member 20. After the soil is cleaned, the compressed spring 44 returns to normal, and under the elastic force of the spring 44, the two second sliding blocks 46 slide towards each other along the length direction of the auxiliary plate 47, and the two rod bodies 41 return to the original positions to be used again.

In some embodiments, referring to fig. 2, the base 10 includes a base plate 11 and a fixing element 12, each of the rods 41 is rotatably connected to the base plate 11, and the fixing element 12 is connected to the base plate 11. The fixing assembly 12 includes a fixing plate 121 and a fixing rod 122. The fixing plate 121 is detachably coupled to the base plate 11. The fixing rods 122 are provided with a plurality of fixing rods 122, the fixing rods 122 are uniformly arranged on the fixing plate 121 at intervals, and the fixing rods 122 are used for being fixedly arranged on the side wall surface to be detected of the foundation pit. In this embodiment, the substrate 11 is fixed on the side wall surface of the foundation pit to be measured by the fixing rod 122, so that the operation is convenient.

In some embodiments, referring to fig. 2 and 3, one end of each fixing rod 122 is connected to the fixing plate 121, the other end extends along a normal direction of the fixing plate 121, and the other end of each fixing rod 122 is provided with a rubber bottom plug 123. Optionally, the fixing plate 121 is disposed parallel to the to-be-measured side wall surface of the foundation pit. The extending end of each fixing rod 122 is provided with a rubber bottom plug 123, so that the friction force between each fixing rod 122 and the side wall of the foundation pit is effectively enhanced, and the installation stability is enhanced.

In some embodiments, referring to fig. 4, the fixing assembly 12 further includes a plurality of extension rods 124, each extension rod 124 is disposed corresponding to each fixing rod 122, each extension rod 124 is sleeved on the periphery of each corresponding fixing rod 122, and each extension rod 124 is connected to each corresponding fixing rod 122 by a screw thread. Alternatively, each fixation rod 122 is externally threaded and each extension rod 124 is internally threaded. In this embodiment, each extension rod 124 is threadedly coupled to a corresponding fixing rod 122, thereby facilitating the installation and removal of the extension rod 124. And the length of each fixed rod 122 can be adjusted by adjusting the extension rod 124, so as to adapt to different application occasions and enhance the practicability.

In some embodiments, referring to fig. 4, an operating member 125 is disposed on an outer periphery of each extension rod 124, and the operating member 125 is used for a worker to hold, so that the worker can conveniently adjust the length of the fixing rod 122.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Prevention foundation ditch side slope collapse alarm device, its characterized in that includes:

2. The alarm device for preventing the collapse of the foundation pit slope according to claim 1, wherein the support frame comprises a support rod, an arc-shaped guide rod and a spring; the two support rods are rotatably arranged on the base, and the rotation axes of the two support rods are arranged along the horizontal direction and in a collinear manner; each support rod is provided with a rotary hole which is rotatably connected with the base, and the rotary hole is positioned in the middle of the support rod along the length direction of the support rod; the two support rods form a scissor-type structure together; the number of the arc-shaped guide rods is two, the two arc-shaped guide rods are respectively arranged corresponding to the two support rods, one end of any one arc-shaped guide rod is connected with the top of one support rod in a sliding mode, and the other end of the arc-shaped guide rod is connected with the bottom of the other support rod in a sliding mode; the spring is sleeved on the periphery of the arc-shaped guide rod, and two ends of the spring are respectively abutted against the two support rods;

3. The alarm device for preventing the collapse of the foundation pit slope according to claim 2, wherein each supporting rod comprises a rod body and a first sliding block; the rod body is rotatably connected with the base, and the sliding hole and the rotating hole are both positioned on the rod body; the first sliding block is arranged at the top end of the rod body and is hinged to the rod body, and the first sliding block is connected with the bearing piece in a sliding mode.

4. The alarm device for preventing the collapse of the foundation pit slope according to claim 3, wherein two induction structures are arranged, and the two induction structures are arranged in one-to-one correspondence with the two rod bodies; each induction structure comprises two position sensors, and the two position sensors are positioned on the corresponding rod bodies and positioned on two sides of the rotary hole respectively; each position sensor all with alarm unit electric connection.

5. The alarm device for preventing the collapse of the foundation pit slope according to claim 3, wherein the support frame further comprises a second sliding block and an auxiliary plate; the number of the second sliding blocks is two, the two second sliding blocks are respectively arranged in one-to-one correspondence with the two rod bodies, and each second sliding block is hinged with the bottom end of the corresponding rod body; the auxiliary plate is horizontally arranged and is used for the sliding connection of the second sliding block.

6. The alarm device for preventing the collapse of the foundation pit slope according to claim 3, wherein the base comprises a base plate and fixing components, each rod body is rotatably connected with the base plate, and the fixing components are connected with the base plate; the fixing assembly comprises a fixing plate and a fixing rod, and the fixing plate is detachably connected with the substrate; the dead lever is equipped with a plurality ofly, and is a plurality of the even interval of dead lever set up in on the fixed plate, it is a plurality of the dead lever is used for setting firmly on the lateral wall face that awaits measuring of foundation ditch.

7. The alarm device for preventing the collapse of the foundation pit and the side slope as claimed in claim 6, wherein one end of each fixing rod is connected with the fixing plate, the other end of each fixing rod extends along the normal direction of the fixing plate, and the other end of each fixing rod is provided with a rubber bottom plug.

8. The alarm device for preventing the collapse of the foundation pit and the side slope of the claim 6, wherein the fixing assembly further comprises a plurality of extension rods, each extension rod is arranged in one-to-one correspondence with each fixing rod, each extension rod is sleeved on the periphery of each corresponding fixing rod, and each extension rod is in threaded connection with each corresponding fixing rod.