CN115015014A - Building structure strength detection system based on Internet of things - Google Patents

Abstract

The invention provides a building structure strength detection system based on the Internet of things, and relates to the field of building detection devices. The technical problem of solve is when using the connecting rod, can't all observe to the tiny hole or the cement arch of the high place region of awaiting measuring and target in place, cause the numerical value that the resiliometer surveyed to have some deviations. The technical scheme is as follows: a building structure strength detection system based on the Internet of things comprises a trolley; the left part and the right part of the upper side surface of the trolley are fixedly connected with electric lifting rods, a first shell is rotatably connected between the two electric lifting rods, a reciprocating measuring mechanism is arranged in the first shell, and a detecting mechanism is arranged at the front end of the reciprocating measuring mechanism. According to the invention, through the detection mechanism, the wall body is used for extruding the two detection rods, whether a hole exists in the to-be-detected area or not and whether cement bulge exists in the to-be-detected area or not are detected, the situation that the strength detection result of the to-be-detected wall body is influenced due to the deviation of the to-be-detected values of the hole and the cement bulge in the to-be-detected area is avoided, and the error of wall body strength detection is reduced.

Description

Building structure strength detection system based on Internet of things

Technical Field

The invention belongs to the field of building measuring devices, and particularly relates to a building structure strength detection system based on the Internet of things.

Background

The strength of a concrete structure of a building is measured by a detection instrument during building construction, the surface hardness of the concrete has a certain relation with the ultimate strength of the concrete, a bounce counter weight of a resiliometer is struck on the surface of the concrete by certain elasticity, and the rebound height of the rebound counter weight has a certain relation with the surface hardness of the concrete, so that the surface hardness of the concrete can be tested by using the resiliometer, and the carbonization depth of the concrete is combined to indirectly measure the strength of the concrete.

The resilience method is the most widely applied structural concrete compressive strength detection method at present in China, the current measurement method is that the manual handheld resiliometer is measured, the manual work reads the record and measures numerical value, because when measuring eminence or building indoor roof, need the manual handheld resiliometer to measure the measuring point of eminence through climbing appurtenance, or through installing the resiliometer on the connecting rod, measure the measuring point of eminence through the manual handheld connecting rod, but when using the climbing appurtenance, because both hands can not grasp the fixture and fix the body balance, fall down from climbing appurtenance very easily, lead to the emergence of incident, when using the connecting rod, can't all observe the target to the tiny hole or the cement arch of the area of waiting to measure of eminence, cause the numerical value that the resiliometer measured to have some deviations, influence the wall strength testing result.

Disclosure of Invention

The invention provides an Internet of things-based building structure strength detection system capable of detecting flatness of a position to be detected, and aims to solve the technical problems that when a high place or an indoor roof of a building is measured, workers can easily fall off from a climbing auxiliary tool by using a climbing tool to cause safety accidents, and when a connecting rod is used, small holes or cement bulges in a high place to be detected cannot be completely observed, so that a numerical value measured by a resiliometer is deviated.

In order to achieve the purpose, the invention adopts the following technical scheme: a building structure strength detection system based on the Internet of things comprises a trolley, wherein a battery is arranged on the trolley, a control module is arranged on the trolley, the control module is connected with a remote control terminal through an Internet of things communication network, electric lifting rods are fixedly connected to the left part and the right part of the upper side surface of the trolley, a fixed support plate is fixedly connected to the telescopic ends of the two electric lifting rods, a first round-head fixing frame is fixedly connected to the left part and the right part of the upper side surface of the fixed support plate, a first shell is rotatably connected between the two first round-head fixing frames, a stepping motor is detachably mounted on the left part of the upper side surface of the fixed support plate, an output shaft of the stepping motor is fixedly connected with the first shell, a reciprocating measurement mechanism is arranged in the first shell and used for measuring the strength of a wall body, and the reciprocating measurement mechanism, the control module, the stepping motor and the two electric lifting rods are electrically connected with the battery, reciprocating measurement mechanism, step motor and two electric lift poles all are connected with the control module electricity, and reciprocating measurement mechanism's front end is equipped with detection mechanism, and detection mechanism is used for surveying the roughness at the position that awaits measuring, is provided with protruding clearance mechanism on the detection mechanism, and protruding clearance mechanism is used for clearing up the arch at the position that awaits measuring of wall, and reciprocating measurement mechanism drives detection mechanism and protruding clearance mechanism work, avoids the roughness influence test result at the position that awaits measuring.

Further, reciprocal measuring mechanism is including servo motor, servo motor rigid coupling is in the inside right side of first casing, servo motor is connected with battery and control module electricity respectively, the interior upper portion of first casing rotates and is connected with reciprocal lead screw, the right part rigid coupling of reciprocal lead screw has first gear, the rigid coupling has scarce gear on servo motor's the output shaft, first gear and scarce gear cooperation, upper portion sliding connection has the second casing in the first casing, second casing and reciprocal lead screw threaded connection, lower part rotating connection has the spline bar in the first casing, the right part rigid coupling of spline bar has the second gear, second gear and scarce gear meshing, be provided with reciprocal subassembly in the second casing, reciprocal subassembly is used for measuring many times, be provided with measuring component in the second casing, measuring component is used for measuring wall body strength.

Further, reciprocal subassembly is including sliding housing, sliding housing sliding connection is in the second casing, sliding housing's rear end rigid coupling has the carriage, carriage and second casing sliding connection, the rigid coupling has first extension spring between sliding housing and the second casing, the sub-unit of second casing rotates and is connected with the third gear, third gear and spline bar sliding connection, second casing and spline bar sliding connection, the sub-unit sliding connection of second casing has first pinion rack, first pinion rack and third gear engagement, the front end of first pinion rack sets up to the inclined plane, the cavity has been seted up on the upper portion of first pinion rack, sliding connection has the sliding rod in the cavity on the first pinion rack, sliding rod and carriage contact fit, the rigid coupling has first spring between sliding rod and the first pinion rack, the coefficient of elasticity of first spring is greater than the coefficient of elasticity of first extension spring.

Further, the measuring component is including first sliding plate, and first sliding plate is equipped with two, and two equal sliding connection of first sliding plate have a stopper in the inside of slip casing, the lower part sliding connection of the first sliding plate of rear side, and the lower extreme of stopper sets up to right angle trapezoidal piece, and the rigid coupling has the second extension spring between stopper and the first sliding plate of rear side, and demountable installation has the resiliometer between two first sliding plates, and the rigid coupling has the second spring between the slip casing of first sliding plate and front side.

Further, the detection mechanism comprises two rectangular fixing frames, the two rectangular fixing frames are arranged in an up-down symmetrical manner, the two rectangular fixing frames are fixedly connected to the front end of the sliding shell, two second sliding plates are connected between the two rectangular fixing frames in a sliding manner and are arranged in a bilateral symmetrical manner, the left part and the right part of the upper end of the first sliding plate at the front side are fixedly connected with second toothed plates, the front part of the upper side surface of the sliding shell is rotatably connected with two fourth gears which are arranged in a bilateral symmetrical manner, the two second toothed plates are respectively meshed with the adjacent fourth gears, the upper side surfaces of the two second sliding plates are fixedly connected with third toothed plates through connecting frames, the two third toothed plates are arranged in a staggered manner, the two third toothed plates are respectively meshed with the adjacent fourth gears, the two third toothed plates are respectively staggered with the adjacent second toothed plates, and detection rods are respectively connected in the two second sliding plates in a sliding manner, the upper portion rigid coupling of left side second sliding plate has first gag lever post, it has the cavity to open in the first gag lever post, the anterior downside of first gag lever post opens porosely, the hole of the anterior downside of first gag lever post and cavity intercommunication in it, it is connected with the second gag lever post to rotate on the rectangle mount of downside, two probe rods respectively with adjacent second sliding plate between the rigid coupling have the third spring, the inside of left side second sliding plate is equipped with the hole and stops the subassembly, the hole stops the subassembly and is used for stopping resiliometer and measure the position that awaits measuring.

Furthermore, the first limiting rod and the second limiting rod are equal in length, the first limiting rod and the second limiting rod of the two position detecting rods are in a convex shape, and the position detecting rods are used for detecting whether holes exist in the position to be detected or not.

Furthermore, the front ends of the two position detection rods are respectively provided with a half round table, and the diameter of the half round table at the front ends of the two position detection rods is smaller than that of the rebound tester detection rod, so that whether the to-be-detected part of the wall body is flat or not can be detected.

Further, the hole stops to survey the subassembly including the fourth pinion rack, the fourth pinion rack rigid coupling is in the downside of left side probe pole, the lower part of left side second sliding plate rotates and is connected with the fifth gear, fifth gear and fourth pinion rack meshing, the lower part sliding connection of left side second sliding plate has the fifth pinion rack, fifth pinion rack and fourth pinion rack longitudinal symmetry set up, fifth gear and fifth pinion rack meshing, the lower extreme rigid coupling of fifth pinion rack has the dead lever, the rear end sliding connection of dead lever has the sixth pinion rack, the rigid coupling has the fourth spring between sixth pinion rack and the dead lever, the coefficient of elasticity of fourth spring is greater than the coefficient of elasticity of second extension spring, the right flank of the first sliding plate lower part of rear side rotates and is connected with the sixth gear, sixth pinion rack and sixth gear meshing, the right flank rigid coupling of stopper has the seventh pinion rack, seventh pinion rack and sixth gear meshing.

Furthermore, the bulge cleaning mechanism comprises a second round-head fixing frame, the second round-head fixing frame is fixedly connected to the front side face of the lower rectangular fixing frame, the second round-head fixing frame is located on the right side of the second limiting rod, a seventh gear is rotatably connected to the second round-head fixing frame, an eighth toothed plate is fixedly connected to the lower side face of the right side locating rod, the eighth toothed plate is matched with the seventh gear, a first bevel gear is fixedly connected to the left side of the seventh gear, a second bevel gear is fixedly connected to the second limiting rod, the second bevel gear is meshed with the first bevel gear, a cleaning rod is fixedly connected to the front portion of the second limiting rod, a piston rod is hermetically and slidably connected to the cavity of the first limiting rod, the rear end of the piston rod is fixedly connected to the upper portion of the rear side face of the left side locating rod through a connecting rod, and the connecting rod at the rear end of the piston rod is slidably connected with an adjacent second sliding plate.

Furthermore, the upper part of the rear side surface of the cleaning rod is provided with an inclined surface for cleaning the cement bulge.

Compared with the prior art, the invention has the following advantages: according to the invention, through the reciprocating measuring mechanism, the output shaft of the servo motor drives the gear-lacking gear to rotate clockwise, the two locating rods are driven to move backwards under the extrusion of the wall before the first locating rod and the second locating rod contact the wall surface, the distance between the resiliometer and the wall is located, the fourth toothed plate is driven to move backwards through the left locating rod, the resiliometer is driven to move forwards to contact the wall surface, the strength of the wall body to be detected is detected, the strength of the wall body to be detected is automatically detected by the resiliometer through the matching of the first gear, the gear-lacking gear and the second gear, the waste of manpower resources is reduced, and the possibility of danger when a measurer holds the resiliometer to measure a high-altitude region to be detected is reduced; by the detection mechanism, the wall body is used for extruding the two detection rods, whether a hole exists in the to-be-detected area or not and whether a cement bulge exists or not are detected, the situation that the strength detection result of the to-be-detected wall body is influenced due to the fact that the deviation exists between the to-be-detected values of the hole and the cement bulge in the to-be-detected area is avoided, and the error of wall body strength detection is reduced; through protruding clearance mechanism, the distance that utilizes the probe rod to receive the protruding extrusion of cement after to the rearward movement lengthens, the transmission clearance pole rotates scrapes the cement arch, avoid the protruding numerical value that awaits measuring of position of cement to influence the intensity detection of wall body, the transmission piston rod is discharged through the hole of the anterior downside of first gag lever post with inspiratory outside air to removing simultaneously, the dust that produces when scraping the cement arch with the clearance pole blows away, the dust that produces when avoiding the clearance pole to scrape the cement arch, the error that wall body intensity detected has been reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a first perspective sectional view of the reciprocating measuring mechanism of the present invention.

Fig. 3 is a sectional view of a second three-dimensional structure of the reciprocating measuring mechanism of the present invention.

Fig. 4 is a sectional view of a first partial three-dimensional structure of the reciprocating measuring mechanism of the present invention.

FIG. 5 is a cross-sectional view of a third alternate embodiment of the reciprocating measuring mechanism of the present invention.

FIG. 6 is a sectional view of a second partial perspective structure of the reciprocating measuring mechanism of the present invention.

Fig. 7 is a sectional view of a first partial perspective structure of the detection mechanism of the present invention.

Fig. 8 is a partial perspective view of the detecting mechanism of the present invention.

Fig. 9 is a sectional view of a second partial perspective structure of the detection mechanism of the present invention.

Fig. 10 is a sectional view of a third partial perspective structure of the detecting unit of the present invention.

FIG. 11 is a sectional view of a first partial perspective view of the bump clearance mechanism of the present invention.

FIG. 12 is a sectional view of a second partial perspective view of the bulge clearing mechanism of the invention.

FIG. 13 is a sectional view of a third partial perspective view of the bump clearance mechanism of the present invention.

Number designation in the figures: 101-trolley, 102-electric lifting rod, 103-fixed support plate, 104-first round-head fixed mount, 105-first housing, 106-stepping motor, 201-servo motor, 202-reciprocating lead screw, 203-first gear, 204-missing gear, 205-second housing, 206-spline rod, 207-second gear, 208-sliding housing, 209-sliding frame, 210-first tension spring, 211-third gear, 212-first toothed plate, 213-sliding rod, 214-first spring, 215-first sliding plate, 216-limited block, 217-second tension spring, 218-resiliometer, 219-second spring, 301-rectangular fixed mount, 302-second sliding plate, 303-second toothed plate, 304-fourth gear, 305-a third toothed plate, 306-a feeler lever, 307-a first limit lever, 308-a second limit lever, 309-a third spring, 310-a fourth toothed plate, 311-a fifth gear, 312-a fifth toothed plate, 313-a fixed lever, 314-a sixth toothed plate, 315-a fourth spring, 316-a sixth gear, 317-a seventh toothed plate, 401-a second round-head fixing frame, 402-a seventh gear, 403-an eighth toothed plate, 404-a first bevel gear, 405-a second bevel gear, 406-a cleaning lever, 407-a piston rod.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

Example 1

A building structure strength detection system based on the Internet of things is disclosed, as shown in FIGS. 1-13, and comprises a trolley 101, wherein a battery is arranged on the trolley 101, a control module is arranged on the trolley 101 and is connected with a remote control terminal through a communication network of the Internet of things, the left part and the right part of the upper side of the trolley 101 are respectively in bolted connection with an electric lifting rod 102, the telescopic ends of the two electric lifting rods 102 are in bolted connection with a fixed support plate 103, the left part and the right part of the upper side of the fixed support plate 103 are respectively welded with a first round head fixing frame 104, a first shell 105 is rotatably connected between the two first round head fixing frames 104, the left part of the upper side of the fixed support plate 103 is in bolted connection with a stepping motor 106, the output shaft of the stepping motor 106 is fixedly connected with the first shell 105, a reciprocating measurement mechanism is arranged in the first shell 105 and is used for measuring the strength of a wall body, and a reciprocating measurement mechanism, Control module, step motor 106 and two electric lift pole 102 all are connected with the battery electricity, reciprocal measuring mechanism, step motor 106 and two electric lift pole 102 all are connected with the control module electricity, reciprocal measuring mechanism's front end is equipped with detection mechanism, detection mechanism is used for surveying the roughness at the position that awaits measuring, the last protruding clearance mechanism that is provided with of detection mechanism, protruding clearance mechanism is used for clearing up the arch at the position that awaits measuring of wall, reciprocal measuring mechanism drives detection mechanism and protruding clearance mechanism work, avoid the roughness at the position that awaits measuring to influence the test result.

When the strength of the wall needs to be detected, a measurer divides the to-be-detected area of the wall, each to-be-detected area is divided into sixteen to-be-detected areas, the measurer pushes the trolley 101 to a to-be-detected position, the measurer controls the two electric lifting rods 102 through the remote control terminal, the two electric lifting rods 102 drive the accessory objects to move, when the reciprocating measuring mechanism moves to the first measuring area of the first to-be-detected area of the wall to be detected, the measurer closes the two electric lifting rods 102 through the remote control terminal, the worker starts the reciprocating measuring mechanism through the remote control terminal, the reciprocating measuring mechanism works to drive the detecting mechanism and the bulge cleaning mechanism to move towards the wall to be detected, when the detecting mechanism contacts the wall, the detecting mechanism and the bulge cleaning mechanism do not move any more, the reciprocating measuring mechanism moves forwards until the reciprocating measuring mechanism contacts the wall to detect the strength of the wall, after the detection is finished, the reciprocating measuring mechanism moves leftwards to a second to-be-detected interval of a first to-be-detected area, the steps are repeated, the strength of the wall body is detected until all four to-be-detected intervals in the same row are detected, the reciprocating measuring mechanism is stopped through the remote control terminal, a measuring person starts the two electric lifting rods 102 through the remote control terminal, the two electric lifting rods 102 respectively drive the accessory objects on the electric lifting rods to move downwards, when the reciprocating measuring mechanism moves to the last to-be-detected interval of the second row of the first to-be-detected area of the to-be-detected wall body, the measuring person stops the two electric lifting rods 102 through the remote control terminal, the steps are repeated, after all the to-be-detected areas of the to-be-detected wall body are measured, the measuring person stops the device through the remote control terminal, resets the device to an initial state, and omits manual one-by-one measurement to record the numerical values of sixteen measuring points, and the reciprocating measuring mechanism can transmit the detected data to the control module, and the control module transmits the data to the remote control terminal through the communication network of the Internet of things.

When the upper end of the wall body to be measured is an inclined surface, a measurer starts the stepping motor 106 through the remote control terminal, the stepping motor 106 drives the first shell 105 to rotate through the gear, the stepping motor 106 is stopped until the reciprocating measuring mechanism is perpendicular to the wall body to be measured, and the steps are repeated.

In the process, when the detection mechanism detects that the position to be detected is provided with the hole, the detection mechanism drives the reciprocating measurement mechanism to stop measuring the position, and the situation that the value to be detected of the position to be detected of the hole influences strength detection of the wall body is avoided.

In the process, when the detection mechanism detects that the position to be detected is provided with the cement bulge, the bulge cleaning mechanism works to knock down the cement bulge at the position to be detected, so that the influence of the numerical value to be detected of the cement bulge at the position to be detected on the strength detection of the wall body is avoided.

Example 2

Based on embodiment 1, as shown in fig. 2 to 6, the reciprocating measuring mechanism includes a servo motor 201, the servo motor 201 is bolted on the right side inside the first housing 105, the servo motor 201 is electrically connected with the battery and the control module respectively, the inner upper portion of the first housing 105 is rotatably connected with a reciprocating lead screw 202, the right portion of the reciprocating lead screw 202 is keyed with a first gear 203, the output shaft of the servo motor 201 is keyed with a missing gear 204, the first gear 203 is matched with the missing gear 204, the inner upper portion of the first housing 105 is slidably connected with a second housing 205, the second housing 205 is in threaded connection with the reciprocating lead screw 202, the inner lower portion of the first housing 105 is rotatably connected with a spline rod 206, the right portion of the spline rod 206 is keyed with a second gear 207, the second gear 207 is engaged with the missing gear 204, a reciprocating assembly is arranged inside the second housing 205, the reciprocating assembly is used for multiple measurements, a measuring assembly is arranged inside the second housing 205, measuring component is used for measuring wall body intensity, drives through servo motor 201 output shaft and lacks gear 204 and rotate, and the reciprocal subassembly of transmission and measuring component move forward and measure wall body intensity, when lacking gear 204 and the meshing of first gear 203, moves about transmission second casing 205, has realized the purpose of automated inspection wall body intensity, saves the manual work and goes to the loaded down with trivial details of measuring the record one by one.

As shown in fig. 2 to 6, the reciprocating assembly includes a sliding housing 208, the sliding housing 208 is slidably connected to the second housing 205, a sliding frame 209 is welded at the rear end of the sliding housing 208, the sliding frame 209 is slidably connected to the second housing 205, a first tension spring 210 is fixedly connected between the sliding housing 208 and the second housing 205, a third gear 211 is rotatably connected to the lower portion of the second housing 205, the third gear 211 is slidably connected to a spline rod 206, the second housing 205 is slidably connected to the spline rod 206, a first toothed plate 212 is slidably connected to the lower portion of the second housing 205, the first toothed plate 212 is engaged with the third gear 211, the front end of the first toothed plate 212 is provided with an inclined surface for driving the sliding housing 208 to move forward, a cavity is formed at the upper portion of the first toothed plate 212, a sliding rod 213 is slidably connected to the cavity of the first toothed plate 212, the sliding rod 213 is in contact with the sliding frame 209 for driving the sliding housing 208 to move forward, a first spring 214 is fixedly connected between the sliding rod 213 and the first toothed plate 212, the elastic coefficient of the first spring 214 is greater than that of the first tension spring 210, and the first spring 214 is used for delaying the measurement of the part to be measured by the transmission measurement assembly, and the output shaft of the servo motor 201 drives the missing gear 204 to rotate, so that the transmission sliding housing 208 moves forwards.

As shown in fig. 2 to 6, the measuring assembly includes two first sliding plates 215, two first sliding plates 215 are slidably connected to the inside of the sliding housing 208, a limiting block 216 is slidably connected to a lower portion of the rear first sliding plate 215, a lower end of the limiting block 216 is provided as a right-angled trapezoidal block, the right-angled trapezoidal block at the lower end of the limiting block 216 is matched with the inclined surface at the front end of the first toothed plate 212, used for driving a rebound instrument 218 to measure a part to be measured, a second tension spring 217 is fixedly connected between the limiting block 216 and the rear first sliding plate 215, the rebound instrument 218 is connected between the two first sliding plates 215 through bolts, the rebound instrument 218 is electrically connected with the control module, a second spring 219 is fixedly connected between the first sliding plate 215 and the front sliding shell 208, the limit block 216 is pressed by the first toothed plate 212, so that the rebound instrument 218 is driven to move forwards to detect the strength of the wall.

As shown in fig. 7-10 and 13, the detecting mechanism includes two rectangular fixing frames 301, the two rectangular fixing frames 301 are disposed symmetrically up and down, the two rectangular fixing frames 301 are welded to the front end of the sliding housing 208, two second sliding plates 302 are connected between the two rectangular fixing frames 301 in a sliding manner, the two second sliding plates 302 are disposed symmetrically left and right, the second toothed plates 303 are welded to the left and right portions of the upper end of the first sliding plate 215 on the front side, two fourth gears 304 are rotatably connected to the front portion of the upper side of the sliding housing 208, the two fourth gears 304 are disposed symmetrically left and right, the two second toothed plates 303 are respectively engaged with the adjacent fourth gears 304, the third toothed plates 305 are welded to the upper sides of the two second sliding plates 302 through the connecting frame, the two third toothed plates 305 are arranged in a staggered manner, the two third toothed plates 305 are respectively engaged with the adjacent fourth gears 304, the two third toothed plates 305 are respectively arranged in a staggered manner with the adjacent second toothed plates 303, the two second sliding plates 302 are internally and respectively connected with a position detection rod 306 in a sliding manner, the front ends of the two position detection rods 306 are respectively provided with a half round table, the diameter of the half round table at the front ends of the two position detection rods 306 is smaller than that of the position detection rod of the resiliometer 218 and is used for detecting whether the part to be detected of the wall is flat or not, the upper part of the left second sliding plate 302 is fixedly connected with a first limiting rod 307, a cavity is formed in the first limiting rod 307, a hole is formed in the lower side of the front part of the first limiting rod 307, the hole in the front part of the first limiting rod 307 is communicated with the cavity in the first limiting rod, a second limiting rod 308 is rotatably connected on the rectangular fixing frame 301 at the lower side, the lengths of the first limiting rod 307 and the second limiting rod 308 are equal, the first limiting rod 307 and the second limiting rod 308 of the two position detection rods 306 are in a convex shape, and the position detection rod 306 is used for detecting whether the hole and the cement bulge exist in the part to be detected, the two probe rods 306 are respectively fixedly connected with the adjacent second sliding plates 302 through third springs 309, hole stop components are arranged inside the left second sliding plate 302 and used for stopping the resiliometer 218 from measuring a part to be measured, and when the first limiting rod 307 and the second limiting rod 308 are used for contacting a wall surface, the two probe rods 306 move backwards under the extrusion of the wall surface to detect whether holes and cement bulges exist in the part to be measured.

As shown in fig. 7 to 10, the aperture stop-measuring assembly includes a fourth toothed plate 310, the fourth toothed plate 310 is welded to the lower side surface of the left locating bar 306, the lower portion of the left second sliding plate 302 is rotatably connected with a fifth gear 311, the fifth gear 311 is engaged with the fourth toothed plate 310, the lower portion of the left second sliding plate 302 is slidably connected with a fifth toothed plate 312, the fifth toothed plate 312 and the fourth toothed plate 310 are symmetrically arranged up and down, the fifth gear 311 is engaged with the fifth toothed plate 312, the lower end of the fifth toothed plate 312 is welded with a fixing rod 313, the rear end of the fixing rod 313 is slidably connected with a sixth toothed plate 314, a fourth spring 315 is fixedly connected between the sixth toothed plate 314 and the fixing rod 313, the elastic coefficient of the fourth spring 315 is greater than that of the second tension spring 217, the right side surface of the lower portion of the rear first sliding plate 215 is rotatably connected with a sixth gear 316, the sixth toothed plate 314 is engaged with the sixth gear, and the sixth gear, the right side surface 316 of the limiting block 216 has a seventh toothed plate 317, the seventh toothed plate 317 is meshed with the sixth gear 316, and the fourth toothed plate 310 moves backwards to drive the limiting block 216 to move downwards, so that the influence of the numerical value measured by the resiliometer 218 on the wall detection result is avoided when a hole exists in the part to be detected.

As shown in fig. 11-13, the bulge cleaning mechanism includes a second round-head holder 401, the second round-head holder 401 is fixedly connected to the front side of the lower rectangular holder 301, the second round-head holder 401 is located at the right side of the second limiting rod 308, a seventh gear 402 is rotatably connected to the second round-head holder 401, an eighth gear 403 is fixedly connected to the lower side of the right probe rod 306, the eighth gear 403 is matched with the seventh gear 402, a first bevel gear 404 is fixedly connected to the left side of the seventh gear 402, a second bevel gear 405 is fixedly connected to the second limiting rod 308, the second bevel gear 405 is engaged with the first bevel gear 404, a cleaning rod 406 is fixedly connected to the front portion of the second limiting rod 308, the upper portion of the rear side of the cleaning rod 406 is provided with an inclined surface for cleaning the cement bulge, the distance of the probe rod 306 moving backwards after being squeezed by the cement bulge is lengthened, the cement bulge is scraped off by the rotation of the driving cleaning rod 406, avoid the protruding numerical value that awaits measuring of position to be measured of cement to influence the intensity detection of wall body, sealed sliding connection has piston rod 407 in the cavity of first gag lever post 307, the rear end of piston rod 407 passes through the connecting rod rigid coupling in the upper portion of left side probe rod 306 trailing flank, the connecting rod and the adjacent second sliding plate 302 sliding connection of piston rod 407 rear end, the distance that utilizes probe rod 306 to receive the protruding backward movement of cement after the extrusion lengthens, drive piston rod 407 removes the hole discharge of the anterior downside of first gag lever post 307 with inspiratory external air to removing pole 406 scraping cement arch, the dust that produces blows away when removing the pole.

When the strength of the wall body needs to be detected, a measurer divides the to-be-detected area of the wall body, each to-be-detected area is divided into sixteen to-be-detected areas, the measurer pushes the trolley 101 to a to-be-detected position, the measurer controls the two electric lifting rods 102 through the remote control terminal, the two electric lifting rods 102 drive the accessory objects to move, when the resiliometer 218 is perpendicular to the first measurement area of the first to-be-detected area of the to-be-detected wall body, the measurer turns off the two electric lifting rods 102 through the remote control terminal, the worker starts the servo motor 201 through the remote control terminal, the output shaft of the servo motor 201 drives the missing gear 204 to rotate clockwise in a right view, the clockwise rotation of the missing gear 204 drives the second gear 207 to rotate counterclockwise, the second gear 207 drives the spline rod 206 to rotate counterclockwise, and the spline rod 206 drives the third gear 211 to rotate counterclockwise, the third gear 211 rotates counterclockwise to drive the first toothed plate 212 to move forward, the first toothed plate 212 drives the sliding rod 213 and the first spring 214 thereon to move forward, the sliding rod 213 drives the sliding rack 209 to move forward, the sliding rack 209 drives the sliding housing 208 to move forward, the sliding housing 208 drives the sliding housing 208 to move forward to stretch the first tension spring 210, the first tension spring 210 is stretched to generate reverse tension, the trend of the sliding housing 208 moving forward is slowed down, and the elastic force of the first spring 214 is greater than the tension of the first tension spring 210, so the sliding housing 208 moves forward.

The sliding shell 208 drives the two rectangular fixing frames 301 to move forward, the two rectangular fixing frames 301 drive the two second sliding plates 302 and the second limiting rods 308 to move forward, the left second sliding plate 302 drives the first limiting rod 307 to move forward, the two second sliding plates 302 respectively drive the adjacent position detection rods 306 to move forward until the two position detection rods 306 contact with a wall to be detected, the two position detection rods 306 are extruded by the wall and then respectively move backward relative to the adjacent second sliding plates 302, the two position detection rods 306 move backward and respectively extrude the adjacent third springs 309 until the first limiting rod 307 and the second limiting rod 308 contact with the wall, and the sliding shell 208 does not move forward any more.

In the above process, the left positioning rod 306 drives the fourth toothed plate 310 to move backwards, the fourth toothed plate 310 moves backwards to drive the fifth gear 311 to rotate clockwise, the fifth gear 311 rotates clockwise to drive the fifth toothed plate 312 to move forwards, the fifth toothed plate 312 drives the fixing rod 313 to move forwards, the fixing rod 313 moves forwards to drive the sixth gear 316 to rotate clockwise in a right view, the sixth gear 316 rotates clockwise to drive the seventh toothed plate 317 to move downwards, the seventh toothed plate 317 drives the limiting block 216 to move downwards, the limiting block 216 moves downwards to stretch the second tension spring 217, the second tension spring 217 is stretched to generate reverse tension, until the first limiting rod 307 and the second limiting rod 308 contact the wall surface, the fourth toothed plate 310 does not move backwards, the fifth gear 311 does not rotate any more, and the transmission limiting block 216 does not move downwards any more.

At this time, since the sliding housing 208 does not move forward any more, the sliding rack 209 does not move forward any more, under the action of the sliding rack 209, the first toothed plate 212 moves forward to drive the sliding rod 213 to move backward, the sliding rod 213 moves backward to press the first spring 214, the first spring 214 is pressed to generate a reverse acting force, the first toothed plate 212 moves forward to press the limit block 216, the limit block 216 moves forward under the pressing of the first toothed plate 212, the limit block 216 drives the first sliding plate 215 at the rear side to move forward, the first sliding plate 215 at the rear side drives the resiliometer 218 to move forward, the resiliometer 218 moves forward to drive the first sliding plate 215 at the front side to move forward, the first sliding plate 215 at the front side moves forward to press the second spring 219, and the second spring 219 is pressed to generate a reverse acting force.

The first sliding plate 215 on the front side drives the two second toothed plates 303 to move forwards, the two second toothed plates 303 move forwards to drive the adjacent fourth gears 304 to rotate respectively, the two fourth gears 304 rotate to drive the adjacent two third toothed plates 305 to move outwards respectively, the two third toothed plates 305 drive the adjacent second sliding plates 302 to move outwards respectively, the two second sliding plates 302 drive the accessory objects to move outwards respectively, until the resiliometer 218 moves forwards between the two probe rods 306 and contacts the wall surface, the resiliometer 218 starts to detect a first measurement interval of a first to-be-detected area of the wall body to be detected, and until the first sliding plate 215 on the front side is limited by the sliding shell 208 and does not move forwards any more, the missing gear 204 and the second gear 207 are not meshed any more.

The testing device is reset to an initial state under the action of a first tension spring 210, a first spring 214, a second tension spring 217, a second spring 219 and a third spring 309 until a missing gear 204 is meshed with a first gear 203, the first gear 203 rotates anticlockwise under the action of the missing gear 204, the first gear 203 drives a reciprocating lead screw 202 to rotate anticlockwise, the reciprocating lead screw 202 rotates anticlockwise to drive a second shell 205 and accessories in the second shell to move leftwards until the missing gear 204 is not meshed with the first gear 203 any more, and a resiliometer 218 moves leftwards to a second testing interval of a first testing area vertical to a wall body to be tested.

And repeating the steps until the gear lack 204 is meshed with the second gear 207, stopping the servo motor 201 by a measuring person through the remote control terminal until the first row of the first to-be-measured area of the wall to be measured is completely measured, starting the two electric lifting rods 102 by the measuring person through the remote control terminal, driving the attached objects on the two electric lifting rods 102 to move downwards respectively, stopping the two electric lifting rods 102 by the measuring person through the remote control terminal until the resiliometer 218 moves to the last to-be-measured area of the second row of the first to-be-measured area perpendicular to the wall to be measured, repeating the steps until the whole to-be-measured area of the wall to be measured is completely measured, stopping the device by the measuring person through the remote control terminal, resetting the device to an initial state, and saving the numerical values of sixteen measuring points which are measured and recorded manually one by one.

When the upper end of the wall body to be measured is an inclined surface, a measurer starts the stepping motor 106 through the remote control terminal, the stepping motor 106 drives the first shell 105 to rotate through the gear, the stepping motor 106 is stopped until the resiliometer 218 is perpendicular to the wall body to be measured, and the steps are repeated.

In the above process, when a certain to-be-detected interval of the to-be-detected wall body, the contact position of the resiliometer 218 is provided with a hole, the first limiting rod 307 and the second limiting rod 308 contact the wall surface, the two detecting rods 306 are extruded by the wall surface and then respectively move backwards relative to the adjacent second sliding plates 302, the distance of the downward movement of the transmission limiting block 216 is not enough to enable the first toothed plate 212 to move forwards and the transmission limiting block 216 to move forwards, the limiting block 216 does not transmit the resiliometer 218 any more, when the two detecting rods 306 move forwards and contact the wall surface, the resiliometer 218 does not detect the to-be-detected interval, the strength detection of the wall body is prevented from being affected by the to-be-detected value of the hole to-be-detected position, meanwhile, the resiliometer 218 can transmit the detected data to the control module, and the control module transmits the data to the remote control terminal through the communication network.

Example 3

In the above process, on the basis of embodiment 2, when cement bulges are present at the contact position of the resiliometer 218 in a certain region to be measured of the wall body to be measured, when the first stop lever 307 and the second stop lever 308 contact the wall surface, after the two probe levers 306 are squeezed by the wall, the distance of backward movement is lengthened for the adjacent second sliding plate 302 respectively, the probe rod 306 on the right side drives the eighth toothed plate 403 to move backward, the eighth toothed plate 403 moves backward to drive the seventh gear 402 to rotate clockwise under the left view, the seventh gear 402 drives the first bevel gear 404 to rotate clockwise, the first bevel gear 404 rotates clockwise to drive the second bevel gear 405 to rotate anticlockwise under the main view, the second bevel gear 405 drives the second limiting rod 308 to rotate anticlockwise, the second limiting rod 308 drives the cleaning rod 406 to rotate anticlockwise to scrape the cement bulge, and the problem that the to-be-detected value of the cement bulge to-be-detected position affects the strength detection of the wall is avoided.

In the above process, the left probe rod 306 drives the piston rod 407 to move backwards through the connecting rod, and the piston rod 407 moves backwards to suck the outside air through the hole on the lower side of the front part of the first limit rod 307.

After the cleaning rod 406 rotates counterclockwise to scrape the cement bump, the two positioning rods 306 respectively move forward to a normal state relative to the adjacent second sliding plate 302 under the action of the adjacent third spring 309, the positioning rod 306 on the right side drives the eighth gear plate 403 to move forward, the eighth gear plate 403 moves forward to drive the seventh gear 402 to rotate counterclockwise in the left view, the seventh gear 402 drives the first bevel gear 404 to rotate counterclockwise, the first bevel gear 404 rotates counterclockwise to drive the second bevel gear 405 to rotate clockwise in the main view, the second bevel gear 405 drives the second limiting rod 308 to rotate clockwise, and the second limiting rod 308 drives the cleaning rod 406 to rotate clockwise to reset.

In the above-mentioned in-process, left probe rod 306 drives piston rod 407 through the connecting rod and moves forward, and piston rod 407 moves forward and discharges the outside air that inhales through the hole of the anterior downside of first gag lever post 307, blows away the dust that produces when scraping the cement arch off of clearance pole 406, avoids the dust that produces when avoiding clearance pole 406 to scrape off the cement arch, influences the numerical value that awaits measuring that records of the position that awaits measuring here, and then influences the intensity testing result of the wall body that awaits measuring.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A building structure strength detection system based on the Internet of things comprises a trolley (101), a battery is arranged on the trolley (101), a control module is arranged on the trolley (101), the control module is connected with a remote control terminal through a communication network of the Internet of things, electric lifting rods (102) are fixedly connected to the left part and the right part of the upper side surface of the trolley (101), a fixed support plate (103) is fixedly connected to the telescopic ends of the two electric lifting rods (102), first round-head fixing frames (104) are fixedly connected to the left part and the right part of the upper side surface of the fixed support plate (103), a first shell (105) is rotatably connected between the two first round-head fixing frames (104), a stepping motor (106) is detachably arranged on the left part of the upper side surface of the fixed support plate (103), an output shaft of the stepping motor (106) is fixedly connected with the first shell (105), and the building structure strength detection system is characterized by further comprising a reciprocating measurement mechanism, reciprocal measuring mechanism locates in first casing (105), reciprocal measuring mechanism is used for measuring wall body intensity, reciprocal measuring mechanism, control module, step motor (106) and two electric lift pole (102) all are connected with the battery electricity, reciprocal measuring mechanism, step motor (106) and two electric lift pole (102) all are connected with control module electricity, reciprocal measuring mechanism's front end is equipped with detection mechanism, detection mechanism is used for surveying the roughness of the position that awaits measuring, the last protruding clearance mechanism that is provided with of detection mechanism, protruding clearance mechanism is used for clearing up the arch of the position that awaits measuring of wall, reciprocal measuring mechanism drives detection mechanism and protruding clearance mechanism work, avoid the roughness influence test result of the position that awaits measuring.

2. The system for detecting the strength of the building structure based on the Internet of things is characterized in that a reciprocating measuring mechanism comprises a servo motor (201), the servo motor (201) is fixedly connected to the right side inside a first shell (105), the servo motor (201) is electrically connected with a battery and a control module respectively, the upper inner portion of the first shell (105) is rotatably connected with a reciprocating lead screw (202), the right portion of the reciprocating lead screw (202) is fixedly connected with a first gear (203), an output shaft of the servo motor (201) is fixedly connected with a missing gear (204), the first gear (203) is matched with the missing gear (204), the upper inner portion of the first shell (105) is slidably connected with a second shell (205), the second shell (205) is in threaded connection with the reciprocating lead screw (202), the lower inner portion of the first shell (105) is rotatably connected with a spline rod (206), and the right portion of the spline rod (206) is fixedly connected with a second gear (207), the second gear (207) is meshed with the missing gear (204), a reciprocating assembly is arranged in the second shell (205) and used for measuring for multiple times, and a measuring assembly is arranged in the second shell (205) and used for measuring the strength of the wall body.

3. The building structure strength detection system based on the Internet of things as claimed in claim 2, wherein the reciprocating assembly comprises a sliding housing (208), the sliding housing (208) is slidably connected in a second housing (205), a sliding frame (209) is fixedly connected to the rear end of the sliding housing (208), the sliding frame (209) is slidably connected with the second housing (205), a first tension spring (210) is fixedly connected between the sliding housing (208) and the second housing (205), a third gear (211) is rotatably connected to the lower portion of the second housing (205), the third gear (211) is slidably connected with a spline rod (206), the second housing (205) is slidably connected with the spline rod (206), a first toothed plate (212) is slidably connected to the lower portion of the second housing (205), the first toothed plate (212) is engaged with the third gear (211), the front end of the first toothed plate (212) is arranged as an inclined surface, the cavity has been seted up on the upper portion of first pinion rack (212), and sliding connection has slide bar (213) in the cavity on first pinion rack (212), and slide bar (213) and carriage (209) contact cooperation, and the rigid coupling has first spring (214) between slide bar (213) and first pinion rack (212), and the elastic coefficient of first spring (214) is greater than the elastic coefficient of first extension spring (210).

4. The building structure strength detection system based on the Internet of things is characterized in that the measuring assembly comprises two first sliding plates (215), the two first sliding plates (215) are connected inside the sliding shell (208) in a sliding mode, a limiting block (216) is connected to the lower portion of the rear first sliding plate (215) in a sliding mode, the lower end of the limiting block (216) is a right-angle trapezoidal block, a second tension spring (217) is fixedly connected between the limiting block (216) and the rear first sliding plate (215), a resiliometer (218) is detachably mounted between the two first sliding plates (215), and a second spring (219) is fixedly connected between the first sliding plate (215) and the front sliding shell (208).

5. The Internet of things-based building structure strength detection system is characterized in that the detection mechanism comprises two rectangular fixing frames (301), the two rectangular fixing frames (301) are arranged symmetrically up and down, the two rectangular fixing frames (301) are fixedly connected to the front end of the sliding shell (208), two second sliding plates (302) are connected between the two rectangular fixing frames (301) in a sliding mode, the two second sliding plates (302) are arranged symmetrically left and right, the left part and the right part of the upper end of the front first sliding plate (215) are fixedly connected with the second toothed plates (303), the front part of the upper side face of the sliding shell (208) is rotatably connected with two fourth gears (304), the two fourth gears (304) are arranged symmetrically left and right, the two second toothed plates (303) are respectively meshed with the adjacent fourth gears (304), the upper side faces of the two second sliding plates (302) are fixedly connected with the third toothed plates (305) through connecting frames, two third pinion racks (305) are crisscross to be set up, two third pinion racks (305) mesh with adjacent fourth gear (304) respectively, two third pinion racks (305) are crisscross with adjacent second pinion rack (303) respectively and set up, equal sliding connection has probe pole (306) in two second sliding plates (302), the upper portion rigid coupling of left side second sliding plate (302) has first gag lever post (307), it has the cavity to open in first gag lever post (307), the anterior downside of first gag lever post (307) is porose, the hole of the anterior downside of first gag lever post (307) and cavity intercommunication in it, it is connected with second gag lever post (308) to rotate on rectangle mount (301) of downside, rigid coupling has third spring (309) between two probe pole (306) respectively and adjacent second sliding plate (302), the inside of left side second sliding plate (302) is equipped with stops the hole and surveys the subassembly, the hole stops to survey the subassembly and is used for stopping resiliometer (218) to measure the position of awaiting measuring.

6. The building structure strength detection system based on the Internet of things of claim 5, wherein the first limiting rod (307) and the second limiting rod (308) are equal in length, the first limiting rod (307) and the second limiting rod (308) of the two position detection rods (306) are in a convex shape, and the position detection rods (306) are used for detecting whether holes exist in a part to be detected.

7. The building structure strength detection system based on the Internet of things as claimed in claim 5, wherein the front ends of the two position detection rods (306) are respectively provided with a half round platform, and the diameter of the half round platform at the front ends of the two position detection rods (306) is smaller than that of the detection rod of the resiliometer (218) and is used for detecting whether the to-be-detected part of the wall body is flat or not.

8. The building structure strength detection system based on the internet of things as claimed in claim 5, wherein the hole stop detection assembly comprises a fourth toothed plate (310), the fourth toothed plate (310) is fixedly connected to the lower side surface of the left locating rod (306), the lower portion of the left second sliding plate (302) is rotatably connected with a fifth gear (311), the fifth gear (311) is meshed with the fourth toothed plate (310), the lower portion of the left second sliding plate (302) is slidably connected with a fifth toothed plate (312), the fifth toothed plate (312) and the fourth toothed plate (310) are symmetrically arranged up and down, the fifth gear (311) is meshed with the fifth toothed plate (312), the lower end of the fifth toothed plate (312) is fixedly connected with a fixed rod (313), the rear end of the fixed rod (313) is slidably connected with a sixth toothed plate (314), a fourth spring (315) is fixedly connected between the sixth toothed plate (314) and the fixed rod (313), and the elastic coefficient of the fourth spring (315) is greater than that of the second tension spring (217), the right side surface of the lower part of the first sliding plate (215) at the rear side is rotatably connected with a sixth gear (316), the sixth toothed plate (314) is meshed with the sixth gear (316), the right side surface of the limiting block (216) is fixedly connected with a seventh toothed plate (317), and the seventh toothed plate (317) is meshed with the sixth gear (316).

9. The building structure strength detection system based on the Internet of things as claimed in claim 5, wherein the boss cleaning mechanism comprises a second round-head fixing frame (401), the second round-head fixing frame (401) is fixedly connected to the front side surface of the lower rectangular fixing frame (301), the second round-head fixing frame (401) is located on the right side of the second limiting rod (308), a seventh gear (402) is rotatably connected to the second round-head fixing frame (401), an eighth toothed plate (403) is fixedly connected to the lower side surface of the right side locating rod (306), the eighth toothed plate (403) is matched with the seventh gear (402), a first bevel gear (404) is fixedly connected to the left side of the seventh gear (402), a second bevel gear (405) is fixedly connected to the second limiting rod (308), the second bevel gear (405) is meshed with the first bevel gear (404), a cleaning rod (406) is fixedly connected to the front portion of the second limiting rod (308), a piston rod (407) is connected in a sealed sliding manner in a cavity of the first limiting rod (307), the rear end of the piston rod (407) is fixedly connected to the upper part of the rear side surface of the left locating rod (306) through a connecting rod, and the connecting rod at the rear end of the piston rod (407) is connected with the adjacent second sliding plate (302) in a sliding manner.

10. The system for detecting the strength of the building structure based on the internet of things as claimed in claim 9, wherein the upper part of the rear side surface of the cleaning rod (406) is provided with an inclined surface for cleaning the cement bump.

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