CN215173540U

CN215173540U - Security protection monitoring device for building engineering

Info

Publication number: CN215173540U
Application number: CN202121151821.7U
Authority: CN
Inventors: 齐菲
Original assignee: Shandong Guanlu Real Estate Co ltd
Current assignee: Shandong Guanlu Real Estate Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-14
Anticipated expiration: 2031-05-26

Abstract

The application discloses security protection monitoring device for building engineering, including box and climbing mechanism, second baffle, set casing, eccentric wheel, L type slide bar and the aqueduct of setting in the box is inside, box left side fixed connection inlet tube, the inside top fixed connection set casing of box, the first baffle of the inside fixed connection of set casing. In order to improve the monitoring range of the monitor, the output end of the second motor drives the first gear which is fixedly connected with the second motor to rotate, the first gear drives the second gear which is meshed with the first gear to rotate, the second gear drives the threaded rod which is fixedly connected with the second gear to rotate, the threaded rod drives the threaded sliders which are in threaded connection with the surfaces to be close to each other, the threaded sliders drive the second connecting rods which are fixedly connected with the two sides to be close to each other, in the process that the second connecting rods are close to each other, the second connecting rods drive the rotating rods which are rotatably connected with the second connecting rods to be gradually perpendicular, the other side of the rotating rods drives the fixing plate to be gradually jacked, the height of the monitor is improved, and the monitoring range of the monitor is enlarged.

Description

Security protection monitoring device for building engineering

Technical Field

The application relates to the field of buildings, in particular to a security monitoring device for constructional engineering.

Background

The manipulator can replace the heavy labor of people to realize the mechanization and automation of production, can operate under harmful environment to protect the personal safety, and is widely applied to departments of mechanical manufacturing, electronics, light industry, atomic energy and the like. In addition, a robot is an automatic operation device which can imitate some motion functions of a human hand and an arm and is used for grabbing, carrying objects or operating tools according to a fixed program, and the robot is applied to many places.

The existing mechanical arm has simple structure and function, and most of the mechanical arms are inconvenient to adjust, so that the operation is inconvenient when the mechanical arm is used; in addition, the existing manipulator is unstable in clamping and is easy to cause problems. Therefore, a security monitoring device for construction engineering is provided to solve the above problems.

Disclosure of Invention

The security monitoring device for the building engineering is provided in the embodiment and used for solving the problem that the monitoring range of the monitor is not convenient to adjust in the prior art.

According to one aspect of the application, a security monitoring device for construction engineering is provided, which comprises a box body, a jacking mechanism, a second partition plate, a fixing shell, an eccentric wheel, an L-shaped slide bar and a water guide pipe, wherein the jacking mechanism, the second partition plate, the fixing shell, the eccentric wheel, the L-shaped slide bar and the water guide pipe are arranged inside the box body, the left side of the box body is fixedly connected with a water inlet pipe, the upper side of the inside of the box body is fixedly connected with a fixing shell, the inside of the fixing shell is fixedly connected with a first partition plate, one side of the top of the box body is fixedly connected with a first motor, the output end of the first motor penetrates through the box body and is fixedly connected with the eccentric wheel, one side of the eccentric wheel is connected with the L-shaped slide bar in a rolling manner, one side of the inside of the box body is fixedly connected with a second partition plate, the jacking mechanism comprises a threaded rod, the left side and the right side of the threaded rod are respectively rotatably connected with the second partition plate and the inside of the box body, one side of the top of the box body is slidably connected with a fixing plate, and provided with a through groove matched with the fixing plate, the fixed plate is characterized in that the fixed plate is fixedly connected with a fixed frame on the left side of the top of the fixed plate, one side of the bottom of the fixed frame is fixedly connected with a limiting block, the limiting block is connected with an L-shaped fixed rod in a sliding mode, and the bottom of the L-shaped fixed rod is fixedly connected with a handle.

Furthermore, the bottom of the box body is fixedly connected with four traveling wheels, and the four traveling wheels are uniformly distributed at four ends of the bottom of the box body.

Further, the L-shaped sliding rod penetrates through the first partition plate and is fixedly connected with the piston plate, the upper side and the lower side of the piston plate are attached to the inner wall of the fixed shell, and the piston plate is fixedly connected with the first partition plate through the first spring.

Furthermore, the upper side and the lower side of the top of the fixed shell penetrate through and are fixedly connected with the water guide pipe, the water guide pipe penetrates through the box body and is fixedly connected with the atomizing spray head, and the water guide pipe extends to the bottom of the box body.

Furthermore, a second gear is fixedly connected to a middle shaft of the threaded rod, an inner core at the bottom of the second gear is connected with the first gear, one side of the first gear is fixedly connected with a second motor, and the bottom of the second motor is fixedly connected with a second partition plate.

Further, threaded rod surface symmetry threaded connection thread slider, the thread slider left and right sides fixed connection second connecting rod, the dwang is connected in the rotation of second connecting rod opposite side, the dwang top is connected with the fixed plate rotation.

Further, the fixing frame is internally provided with a sliding groove, the sliding groove is fixedly connected with a connecting rod, the connecting rod penetrates through and is connected with the L-shaped fixing rod in a sliding mode, the surface of the connecting rod is sleeved with a second spring, one side of the second spring is fixedly connected with the L-shaped fixing rod, and the other side of the second spring is fixedly connected with the sliding groove.

Furthermore, the right side of the fixing frame is connected with a connecting block in an inserting mode, and the right side of the connecting block is fixedly connected with a monitor.

Furthermore, a connecting block is inserted into one side of the L-shaped fixing rod, and a limiting groove matched with the limiting block is formed in the L-shaped fixing rod.

Furthermore, the right side of the box body penetrates through and is fixedly connected with a drain pipe.

Through the above-mentioned embodiment of this application, adopted climbing mechanism, solved the problem of being not convenient for adjust watch-dog monitoring range, guaranteed the convenience of device simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged schematic view of a structure at A in FIG. 2 according to an embodiment of the present application

FIG. 4 is a schematic view of the threaded slider connection of FIG. 2 according to an embodiment of the present application.

In the figure: 1. the water spraying device comprises a box body, 2, a traveling wheel, 3, a water inlet pipe, 4, a first motor, 5, a threaded rod, 6, an L-shaped sliding rod, 7, a fixed shell, 8, a first partition plate, 9, an eccentric wheel, 10, a piston plate, 11, a first spring, 12, a water guide pipe, 13, an atomizing spray head, 14, a fixed plate, 15, a second partition plate, 16, a fixed frame, 17, a monitor, 18, a connecting block, 19, a drain pipe, 20, a handle, 21, a limiting block, 22, a sliding groove, 23, a first connecting rod, 24, a second spring, 25, an L-shaped fixed rod, 26, a second motor, 27, a first gear, 28, a second gear, 29, a rotating rod, 30, a second connecting rod, 31 and a threaded sliding block.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Climbing mechanism in this embodiment can be applicable to and carry out the jacking to various instruments and adjust, for example, provides following novel support of display in this embodiment, and climbing mechanism in this embodiment can be used for carrying out the jacking to the display and adjust.

A novel support for a display comprises a support plate, wherein the bottom of the support plate is connected with a telescopic rod through a plurality of rotating mechanisms, each rotating mechanism comprises two first mounting plates, the two first mounting plates are both mounted at the bottom of the support plate, a second fixing shaft is arranged between the two first mounting plates, a first mounting block is sleeved on the second fixing shaft, so that the first mounting blocks rotate along the second fixing shaft, one end of each first mounting block is connected with the telescopic rod, two first deep holes which are vertically arranged are formed in the side surface of each first mounting block, second deep holes are formed in the two sides of each first deep hole, the two second deep holes and the two first deep holes are the same in size, the two second deep holes and the two first deep holes are arranged at equal angles, a fixing rod is mounted on the side surface of one first mounting plate, and a fixing plate is mounted at one end, far away from the first mounting plate, a second baffle plate is sleeved on the fixed rod, two inserting rods corresponding to the two first deep holes are installed on the side surface of the second baffle plate, one ends of the two inserting rods penetrate through the side surface of the first mounting plate and extend into the two first deep holes, a second spring is sleeved on the fixed rod, two ends of the second spring are respectively connected with the second baffle plate and the fixed plate, the bottom end of the telescopic rod is provided with a second mounting plate, the bottom surface of the second mounting plate is provided with wheels, the bottom of the supporting plate is connected with an electric push rod through a movable mechanism, the movable mechanism comprises a fixed block, the bottom of the fixed block is provided with a groove, a first fixed shaft is arranged in the groove, a second mounting block is sleeved on the first fixed shaft, the second mounting block rotates along the surface of the first fixed shaft, one end of the electric push rod is installed on the second mounting block, and a bottom plate is installed at the bottom end of the electric push rod, a plurality of rectangular grooves extending to the side face of the supporting plate are formed in the upper surface of the supporting plate, and adjusting mechanisms are arranged inside the plurality of rectangular grooves. Preferably, the telescopic link includes the pipe fitting, and the one end of pipe fitting is connected with the one end of first installation piece, the other end of pipe fitting is pegged graft and is had the bracing piece for the bracing piece slides along the inner wall of pipe fitting, and the upper surface at the second mounting panel is installed to the one end that the pipe fitting was kept away from to the bracing piece. Preferably, adjustment mechanism includes the screw rod, the medial surface at rectangular groove is installed to the one end of screw rod, the other end of screw rod extends to the side of backup pad, cup jointed first baffle on the screw rod, the one end of first baffle extends to the top of backup pad, the dog is installed to the one end of first baffle, the bottom surface of dog and the last surface contact of backup pad, threaded connection has the screwed pipe on the screw rod, the one end of screwed pipe and the side contact of first baffle, cup jointed first spring on the screw rod, the both ends of first spring are connected with the side in rectangular groove and the side of dog respectively. Preferably, the rotating mechanism is provided with four rotating mechanisms and is respectively positioned at four corners of the bottom surface of the supporting plate. Preferably, at least two of the strip grooves are symmetrically arranged.

Of course, the jacking mechanism of the embodiment can also be suitable for jacking various monitoring devices. Here, details are not repeated, and the monitoring device according to the embodiment of the present application is described below.

Referring to fig. 1-4, a security monitoring device for construction engineering comprises a box body 1, a jacking mechanism, a second partition plate 15, a fixed shell 7, an eccentric wheel 9, an L-shaped slide bar 6 and a water guide pipe 12, wherein the jacking mechanism, the second partition plate 15, the fixed shell 7, the eccentric wheel 9, the L-shaped slide bar 6 and the water guide pipe 12 are arranged in the box body, the water inlet pipe 3 is fixedly connected to the left side of the box body 1, the fixed shell 7 is fixedly connected to the upper side of the interior of the box body 1, the first partition plate 8 is fixedly connected to the interior of the fixed shell 7, the first motor 4 is fixedly connected to one side of the top of the box body 1, the output end of the first motor 4 penetrates through the box body 1 and is fixedly connected to the eccentric wheel 9, the L-shaped slide bar 6 is connected to one side of the eccentric wheel 9 in a rolling manner, the second partition plate 15 is fixedly connected to one side of the interior of the box body 1, the jacking mechanism comprises a threaded rod 5, the left side and the right side of the threaded rod 5 are respectively rotatably connected to the second partition plate 15 and the interior of the box body 1, one side of the top of the box body is slidably connected to a fixing plate 14, and a through groove matched with the fixing plate 14 is formed in the box body 1, the fixing frame 16 is fixedly connected to the left side of the top of the fixing plate 14, a limiting block 21 is fixedly connected to one side of the bottom of the fixing frame 16, the limiting block 21 is slidably connected with an L-shaped fixing rod 25, and a handle 20 is fixedly connected to the bottom of the L-shaped fixing rod 25.

The bottom of the box body 1 is fixedly connected with four traveling wheels 2, the number of the traveling wheels 2 is four, and the traveling wheels 2 are uniformly distributed at four ends of the bottom of the box body 1; the L-shaped sliding rod penetrates through the first partition plate 8 and is fixedly connected with the piston plate 10, the upper side and the lower side of the piston plate 10 are attached to the inner wall of the fixed shell 7, and a first spring 11 is fixedly connected between the piston plate 10 and the first partition plate 8; the upper side and the lower side of the top of the fixed shell 7 penetrate through and are fixedly connected with a water guide pipe 12, the upper water guide pipe 12 penetrates through the box body 1 and is fixedly connected with an atomizing spray head 13, and the lower water guide pipe 12 extends to the bottom of the box body 1; a second gear 28 is fixedly connected to a middle shaft of the threaded rod 5, a core at the bottom of the second gear 28 is connected with a first gear 27, one side of the first gear 27 is fixedly connected with a second motor 26, and the bottom of the second motor 26 is fixedly connected with a second partition 15; the surface of the threaded rod 5 is symmetrically connected with a threaded sliding block 31 in a threaded manner, the left side and the right side of the threaded sliding block 31 are fixedly connected with a second connecting rod 30, the other side of the second connecting rod 30 is rotatably connected with a rotating rod 29, and the top of the rotating rod 29 is rotatably connected with the fixed plate 14; a sliding groove 22 is formed in the fixed frame 16, a connecting rod 23 is fixedly connected in the sliding groove 22, the connecting rod 23 penetrates through and is connected with an L-shaped fixed rod 25 in a sliding manner, a second spring 24 is sleeved on the surface of the connecting rod 23, one side of the second spring 24 is fixedly connected with the L-shaped fixed rod 25, and the other side of the second spring 24 is fixedly connected with the sliding groove 22; the right side of the fixed frame 16 is inserted with a connecting block 18, and the right side of the connecting block 18 is fixedly connected with a monitor 17; one side of the L-shaped fixing rod 25 is inserted into the connecting block 18, and a limiting groove matched with the limiting block 21 is formed in the L-shaped fixing rod 25; the right side of the box body 1 penetrates through and is fixedly connected with a drainage pipe 19.

The utility model discloses when using, the electrical components that appear in this application all external intercommunication power and control switch when using, use monitoring device, at first remove whole device to the usefulness of waiting to use, install monitor 17 at first, stimulate handle 20 downwards, handle 20 drives L type dead lever 25 rather than the rigid coupling and moves down on connecting rod 23, compress second spring 24 in L type dead lever 25 moves down the in-process, floor spring 24 atress shrink, drive monitor 17 and the connecting block 18 of its rigid coupling pegs graft on mount 16, loosen handle 20 this moment, second spring 24 resets and drives the L type dead lever 25 rather than the rigid coupling and move up, the time L type is fixed for you 25 peg graft with connecting block 18 mutually, the installation to monitor 17 has been accomplished, very big improvement installation effectiveness; when the monitoring range of the monitor 17 needs to be adjusted, the second motor 26 is started, the output end of the second motor 26 drives the first gear 27 fixedly connected with the second motor to rotate, the first gear 27 drives the second gear 28 meshed with the first gear to rotate, the second gear 28 rotates to drive the threaded rod 5 fixedly connected with the second gear to rotate, the threaded rod 5 drives the threaded sliders 31 in threaded connection with the surfaces to mutually approach, the threaded sliders 31 drive the second connecting rods 30 fixedly connected with the two sides to mutually approach, in the process that the second connecting rods 30 approach to each other, the second connecting rods 30 drive the rotating rods 29 rotatably connected with the second connecting rods to be gradually vertical, and the other sides of the rotating rods 29 drive the fixing plates 14 to be gradually lifted, so that the height of the monitor 17 is improved, and the monitoring range of the monitor 17 is increased; at the building site, often can meet with the dust and fog, start first motor 4 this moment, the output of first motor 4 drives the eccentric wheel 9 extrusion L type slide bar 6 rather than the rigid coupling, when eccentric wheel 9 rotated first half-turn, L type slide bar 6 moved to the right side, and suck the water in the box 1 through piston plate 10, under the effect of check valve, water is stayed in set casing 7, first spring 11 atress shrink simultaneously, when eccentric wheel 9 rotated the latter half-turn, first spring 11 resets and extrudes the water in set casing 7 through piston plate 10 rapidly, spout from atomizer 13 behind honeycomb duct 12 through the check valve of set casing 7 upside, dust fall around watch-dog 17, the rationality of structure has been embodied.

The application has the advantages that:

1. in order to improve the installation efficiency, when the monitor is installed, the handle is pulled downwards, the handle drives the L-shaped fixed rod fixedly connected with the handle to move up and down on the connecting rod, the second spring is compressed in the downward moving process of the L-shaped fixed rod, the second spring is stressed to contract, the monitor drives the connecting block fixedly connected with the monitor to be inserted on the fixing frame, at the moment, the handle is loosened, the second spring resets to drive the L-shaped fixed rod fixedly connected with the second spring to move up, the L-shaped fixed rod is inserted with the connecting block, the installation of the monitor is completed, and the installation efficiency is greatly improved;

2. in order to improve the monitoring range of the monitor, the output end of the second motor drives the first gear fixedly connected with the second motor to rotate, the first gear drives the second gear meshed with the first gear to rotate, the second gear rotates to drive the threaded rod fixedly connected with the second gear to rotate, the threaded rod drives the threaded sliders in threaded connection with the surfaces to approach each other, the threaded sliders drive the second connecting rods fixedly connected with the two sides to approach each other, in the process that the second connecting rods approach each other, the second connecting rods drive the rotating rods rotatably connected with the second connecting rods to be gradually vertical, and the other sides of the rotating rods drive the fixing plates to be gradually jacked, so that the height of the monitor is improved, and the monitoring range of the monitor is increased;

3. this application is rational in infrastructure, in the building place, often can meet with the dirt fog, start first motor, the output of first motor drives the eccentric wheel extrusion L type slide bar rather than the rigid coupling, when the eccentric wheel rotates first half-turn, L type slide bar moves to the right side, and carry out the suction through the piston plate to the water in the box, under the effect of check valve, water is stayed in the set casing, first spring atress shrink simultaneously, when the eccentric wheel rotates the back half-turn, first spring resets and extrudes the water in the set casing rapidly through the piston plate, the check valve through the set casing upside spouts from atomizer behind the honeycomb duct, dust fall around the watch-dog, the rationality of structure has been embodied.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a security protection monitoring device for building engineering which characterized in that: comprises a box body (1), a jacking mechanism, a second clapboard (15), a fixed shell (7), an eccentric wheel (9), an L-shaped slide bar (6) and a water guide pipe (12), wherein the jacking mechanism, the second clapboard (15), the fixed shell (7), the eccentric wheel (9), the L-shaped slide bar (6) and the water guide pipe (12) are arranged inside the box body, the left side of the box body (1) is fixedly connected with a water inlet pipe (3), the upper part of the inside of the box body (1) is fixedly connected with the fixed shell (7), the inside of the fixed shell (7) is fixedly connected with a first baffle (8), one side of the top of the box body (1) is fixedly connected with a first motor (4), the output end of the first motor (4) penetrates through the box body (1) and is fixedly connected with the eccentric wheel (9), one side of the eccentric wheel (9) is in rolling connection with the L-shaped slide bar (6), one side of the inside of the box body (1) is fixedly connected with the second clapboard (15), the jacking mechanism comprises a threaded rod (5), the left side and the right side of the threaded rod are respectively in rotation connection with the second clapboard (15) and the inside of the box body (1), the utility model discloses a box, including box (1), fixed plate (14), just set up the logical groove with fixed plate (14) looks adaptation on box (1), fixed plate (14) top left side fixed connection mount (16), mount (16) bottom one side fixed connection stopper (21), stopper (21) sliding connection L type dead lever (25), L type dead lever (25) bottom fixed connection handle (20).

2. The security monitoring device for the building engineering according to claim 1, characterized in that: the box body (1) bottom fixed connection travelling wheel (2), the quantity of travelling wheel (2) is four, just the even distribution of travelling wheel (2) is four ends in box body (1) bottom.

3. The security monitoring device for the building engineering according to claim 1, characterized in that: the L-shaped sliding rod penetrates through a first partition plate (8) and is fixedly connected with a piston plate (10), the upper side and the lower side of the piston plate (10) are attached to the inner wall of a fixed shell (7), and a first spring (11) is fixedly connected between the piston plate (10) and the first partition plate (8).

4. The security monitoring device for the building engineering according to claim 1, characterized in that: both sides run through and fixed connection aqueduct (12) about set casing (7) top, top aqueduct (12) run through box (1) and atomizer (13) fixed connection, the below aqueduct (12) extend to box (1) bottom.

5. The security monitoring device for the building engineering according to claim 1, characterized in that: the middle shaft of the threaded rod (5) is fixedly connected with a second gear (28), the bottom core of the second gear (28) is connected with a first gear (27), one side of the first gear (27) is fixedly connected with a second motor (26), and the bottom of the second motor (26) is fixedly connected with a second partition plate (15).

6. The security monitoring device for the building engineering according to claim 1, characterized in that: threaded rod (5) surface symmetry threaded connection screw thread slider (31), screw thread slider (31) left and right sides fixed connection second connecting rod (30), second connecting rod (30) opposite side is rotated and is connected dwang (29), dwang (29) top is rotated with fixed plate (14) and is connected.

7. The security monitoring device for the building engineering according to claim 1, characterized in that: the utility model discloses a fixed frame, including mount (16), spout (22), inside fixed connection connecting rod (23) of spout (22), connecting rod (23) run through and sliding connection L type dead lever (25), connecting rod (23) surface cover is equipped with second spring (24), second spring (24) one side fixed connection L type dead lever (25), second spring (24) opposite side fixed connection spout (22).

8. The security monitoring device for the building engineering according to claim 1, characterized in that: the right side of the fixed frame (16) is inserted with a connecting block (18), and the right side of the connecting block (18) is fixedly connected with a monitor (17).

9. The security monitoring device for the building engineering according to claim 1, characterized in that: the connecting block (18) is inserted at one side of the L-shaped fixing rod (25), and a limiting groove matched with the limiting block (21) is formed in the L-shaped fixing rod (25).

10. The security monitoring device for the building engineering according to claim 1, characterized in that: the right side of the box body (1) is penetrated and fixedly connected with a drain pipe (19).