Steel structure deformation monitoring device

Abstract

The utility model provides a steel structure deformation monitoring device which comprises a supporting plate and a fixing base, the supporting plate is arranged on the side face of a steel column, a water supplementing tank and a first liquid storage tank are arranged on the top face of the supporting plate, the water supplementing tank is connected to the first liquid storage tank through a water pipe, and a water pump is arranged on the water pipe. The top of the fixing base is connected with a mounting plate through bolts, a second liquid storage tank is arranged on the top face of the mounting plate, a sliding ruler is slidably arranged in the second liquid storage tank, a transparent observation window is arranged on the side face of the second liquid storage tank, the first liquid storage tank communicates with the second liquid storage tank through a guide pipe, and an arc length monitoring mechanism is arranged on the bottom face of the supporting plate and used for monitoring the arc length change after the steel beam is bent and deformed. The first liquid storage tank and the second liquid storage tank which are communicated with each other are arranged, the sliding scale is arranged in the second liquid storage tank, the displacement of the steel beam in the vertical direction can be visually known through the observation window, meanwhile, the arc length monitoring mechanism is arranged and used for monitoring the change of the arc length after the steel beam is bent and deformed, the overall structure is simple, maintenance is convenient, and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure monitoring technical field, especially a kind of steel structure deformation monitoring device. BACKGROUND

[0002] Steel structure is by steel plate, section steel and other steel materials through welding, bolt connection and so on Assembled load-bearing structure system, widely used in super high-rise building, large-span bridge, industrial plant and so on Field. Compared with traditional building materials such as concrete, steel structure has the characteristics of light weight, high strength, short construction period and superior seismic performance, and is an important symbol of modernization building. However, in the service process, under the influence of load, temperature change, material fatigue and environmental corrosion and other factors, steel structure is easy to produce small deformation accumulation, and if not found in time, it may cause overall instability. Steel structure deformation not only leads to the change of building appearance and functional damage, but also may destroy the internal force balance of structure. The steel beam is deflected due to long-term vibration of building, which may cause the rupture of curtain wall system; the deformation of bridge main truss may cause the cracking of bridge deck pavement layer, which directly threatens traffic safety. The lag of deformation monitoring may lead to exponential growth of maintenance cost.

[0003] The existing steel beam bending deformation monitoring device has significant limitations: traditional displacement meter needs to be measured point by point manually, and the efficiency is low, and some intelligent monitoring systems use wired sensors, which has the problems of complex wiring, difficult maintenance and high cost. UTILITY MODEL CONTENT

[0004] In view of this, the utility model provides a kind of steel structure deformation monitoring device to solve the problems existing in the above.

[0005] The technical scheme of the utility model is realized as follows:

[0006] A kind of steel structure deformation monitoring device, including support plate and fixed seat, the support plate is located at the side of steel column, the top surface of support plate is equipped with water tank and liquid storage tank one, the water tank is connected to liquid storage tank one by water pipe, water pump is arranged on the water pipe, the fixed seat can be detachably installed on the top surface of the end of steel beam away from steel column, the top of fixed seat is connected with mounting plate by bolt, the top surface of mounting plate is equipped with liquid storage tank two, sliding scale is vertically arranged in liquid storage tank two, the side of liquid storage tank two is equipped with transparent observation window, the observation window is located at the side of sliding scale, the bottom of liquid storage tank one is connected to the bottom of liquid storage tank two by conduit, the cross-sectional area of liquid storage tank one and liquid storage tank two is equal, the bottom surface of support plate is equipped with arc length monitoring mechanism, for monitoring the change of arc length after steel beam bending deformation.

[0007] As preferred, the fixing base comprises an L-shaped frame, a sliding plate and a screw rod, the L-shaped frame is arranged on the top surface of the steel beam, the inner side surface of the L-shaped frame abuts against the side surface of the steel beam, the top of the L-shaped frame is provided with a sliding groove, the screw rod is rotatably arranged in the sliding groove, one end of the screw rod is rotatably arranged on the L-shaped frame, the other end of the screw rod extends out of the side surface through the L-shaped frame, and the sliding plate is slidably arranged in the sliding groove and is screwed with the screw rod, and the side surface of the sliding plate abuts against the side surface of the steel beam.

[0008] As preferred, the fixing base comprises an L-shaped frame, a sliding plate and a screw rod, the L-shaped frame is arranged on the top surface of the steel beam, the inner side surface of the L-shaped frame abuts against the side surface of the steel beam, the top of the L-shaped frame is provided with a sliding groove, the screw rod is rotatably arranged in the sliding groove, one end of the screw rod is rotatably arranged on the L-shaped frame, the other end of the screw rod extends out of the side surface through the L-shaped frame, and the sliding plate is slidably arranged in the sliding groove and is screwed with the screw rod, and the side surface of the sliding plate abuts against the side surface of the steel beam.

[0009] As preferred, the fixing base comprises an L-shaped frame, a sliding plate and a screw rod, the L-shaped frame is arranged on the top surface of the steel beam, the inner side surface of the L-shaped frame abuts against the side surface of the steel beam, the top of the L-shaped frame is provided with a sliding groove, the screw rod is rotatably arranged in the sliding groove, one end of the screw rod is rotatably arranged on the L-shaped frame, the other end of the screw rod extends out of the side surface through the L-shaped frame, and the sliding plate is slidably arranged in the sliding groove and is screwed with the screw rod, and the side surface of the sliding plate abuts against the side surface of the steel beam.

[0010] As preferred, the fixing base comprises an L-shaped frame, a sliding plate and a screw rod, the L-shaped frame is arranged on the top surface of the steel beam, the inner side surface of the L-shaped frame abuts against the side surface of the steel beam, the top of the L-shaped frame is provided with a sliding groove, the screw rod is rotatably arranged in the sliding groove, one end of the screw rod is rotatably arranged on the L-shaped frame, the other end of the screw rod extends out of the side surface through the L-shaped frame, and the sliding plate is slidably arranged in the sliding groove and is screwed with the screw rod, and the side surface of the sliding plate abuts against the side surface of the steel beam.

[0011] As preferred, the fixing base comprises an L-shaped frame, a sliding plate and a screw rod, the L-shaped frame is arranged on the top surface of the steel beam, the inner side surface of the L-shaped frame abuts against the side surface of the steel beam, the top of the L-shaped frame is provided with a sliding groove, the screw rod is rotatably arranged in the sliding groove, one end of the screw rod is rotatably arranged on the L-shaped frame, the other end of the screw rod extends out of the side surface through the L-shaped frame, and the sliding plate is slidably arranged in the sliding groove and is screwed with the screw rod, and the side surface of the sliding plate abuts against the side surface of the steel beam.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses setting up the liquid storage tank two and the liquid storage tank two, the sliding scale is equipped in the liquid storage tank two, can intuitively know the displacement in the vertical direction of steel beam through the observation window, is equipped with arc length monitoring mechanism simultaneously, is used for monitoring the change of arc length after the deformation of steel beam, can monitor the displacement of steel structure in vertical direction and horizontal direction simultaneously, thereby be favorable for judging the deformation condition of steel beam, and the overall structure of monitoring device is simple, and the maintenance is convenient and the cost is lower. ACCURACY OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only is the preferred embodiment of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0015] Figure 1 It is a three-dimensional structure schematic view of a steel structure deformation monitoring device of the utility model;

[0016] Figure 2 It is a sectional structure schematic view of a steel structure deformation monitoring device of the utility model;

[0017] Figure 3 It isFigure 2 Cross-sectional view at A-A;

[0018] Fig. 1 is a steel column; Fig. 2 is a steel beam; Fig. 3 is a fixed scale; Fig. 4 is a support plate; Fig. 5 is a rotating shaft; Fig. 6 is a winding drum; Fig. 7 is a support plate; Fig. 8 is a water tank; Fig. 9 is a water pump; Fig. 10 is a water pipe; Fig. 11 is a first liquid storage tank; Fig. 12 is a guide pipe; Fig. 13 is a pull rope; Fig. 14 is a sliding scale; Fig. 15 is a second liquid storage tank; Fig. 16 is an observation window; Fig. 17 is a bolt; Fig. 18 is a mounting plate; Fig. 19 is an L-shaped frame; Fig. 20 is a hand wheel; Fig. 21 is a sliding plate; Fig. 22 is a screw rod; and Fig. 23 is a sliding groove. DETAILED DESCRIPTION

[0019] In order to better understand the technical content of the utility model, a specific embodiment is provided below, and the utility model is further described in combination with the drawings.

[0020] Referring to Figures 1 to 3 The steel structure deformation monitoring device provided by the utility model comprises a support plate 7 and a fixing base, the support plate 7 is arranged on the side surface of a steel column 1, a water tank 8 and a first liquid storage tank 11 are arranged on the top surface of the support plate 7, the water tank 8 is connected to the first liquid storage tank 11 through a water pipe 10, a water pump 9 is arranged on the water pipe 10, the fixing base can be detachably mounted on the top surface of the end of a steel beam 2 that is far away from the steel column 1, a mounting plate 18 is connected to the top of the fixing base through a bolt 17, the mounting plate 18 can be leveled by adjusting the length of the bolt 17, a second liquid storage tank 15 is arranged on the top surface of the mounting plate 18, a sliding scale 14 is slidably arranged in the second liquid storage tank 15 in the vertical direction, a transparent observation window 16 is arranged on the side surface of the second liquid storage tank 15, the observation window 16 is located on one side of the sliding scale 14, the bottom of the first liquid storage tank 11 is communicated with the bottom of the second liquid storage tank 15 through a guide pipe 12, the cross-sectional area of the first liquid storage tank 11 is equal to that of the second liquid storage tank 15, and an arc length monitoring mechanism is arranged on the bottom surface of the support plate 7 and used for monitoring the change of the arc length of the steel beam 2 after bending deformation.

[0021] Specifically, when the monitoring device is working, first, the fixing seat is installed on the top surface of the steel beam 2 far away from the steel column 1, then the water pump 9 is started to pump the water in the water supplement tank 8 into the liquid storage tank 1, the water flows into the liquid storage tank 2 from the conduit 12 at the bottom of the liquid storage tank 1, after the water levels in the liquid storage tank 1 and the liquid storage tank 2 are leveled, the water pump 9 is stopped, then the sliding ruler 14 in the liquid storage tank 2 is manually slid upward so that the zero point scale of the sliding ruler 14 is at the water level in the liquid storage tank 2, and the operator can directly observe the position of the water level relative to the sliding ruler 14 through the observation window 16. When the cantilever steel beam 2 bends downward, the liquid storage tank 2 moves in the vertical direction along with the steel beam 2, so that the water level in the liquid storage tank 2 and the water level in the liquid storage tank 1 have a height difference, and the water in the liquid storage tank 1 flows into the liquid storage tank 2 under the action of gravity, when the water levels in the liquid storage tank 1 and the liquid storage tank 2 are leveled, the system returns to the equilibrium state, and the displacement of the steel beam 2 in the vertical direction is twice the water level value on the sliding ruler 14. When the cantilever steel beam 2 bends upward, the liquid storage tank 2 moves in the vertical direction along with the steel beam 2, so that the water level in the liquid storage tank 2 and the water level in the liquid storage tank 1 have a height difference, and the water in the liquid storage tank 2 flows into the liquid storage tank 1 under the action of gravity, when the water levels in the liquid storage tank 1 and the liquid storage tank 2 are leveled, the system returns to the equilibrium state, and the displacement of the steel beam 2 in the vertical direction is twice the water level value on the sliding ruler 14. In addition, when the monitoring device is working, the bottom surface of the support plate 7 is provided with an arc length monitoring mechanism for monitoring the change of the arc length of the steel beam 2 after bending deformation, which can monitor the displacement of the steel structure in the vertical direction and the horizontal direction at the same time, thereby being beneficial to judging the deformation of the steel beam 2. The overall structure of the monitoring device is simple, convenient to maintain and low in cost.

[0022] Preferably, the fixing seat comprises an L-shaped frame 19, a sliding plate 21 and a lead screw 22, the L-shaped frame 19 is arranged on the top surface of the steel beam 2 and abuts against the side surface of the steel beam 2, the top of the L-shaped frame 19 is provided with a sliding groove 23, the lead screw 22 is rotatably arranged in the sliding groove 23, one end of the lead screw 22 is rotatably arranged in the L-shaped frame 19, and the other end of the lead screw 22 extends out of the side surface of the L-shaped frame 19, and the sliding plate 21 is slidably arranged in the sliding groove 23 and is screwed with the lead screw 22, and the side surface of the sliding plate 21 abuts against the side surface of the steel beam 2.

[0023] It can be understood that the fixing seat has a detachable function, which is beneficial to daily maintenance. When the fixing seat is installed, first, the L-shaped frame 19 is placed on the top surface of the steel beam 2, then the lead screw 22 is rotated, the rotation of the lead screw 22 drives the sliding plate 21 to move along the axis of the lead screw 22, and the sliding plate 21 moves and abuts against the side surface of the steel beam 2 to be clamped and fixed together with the L-shaped frame 19. When it needs to be disassembled, only the lead screw 22 needs to be loosened, which is simple to operate.

[0024] As preferred, a hand wheel 20 is further included, which is arranged at the end of the lead screw 22 away from the L-shaped frame 19.

[0025] The operator rotates the hand wheel 20 to drive the lead screw 22 to rotate, and the lead screw 22 drives the sliding plate 21 to move, thereby completing the quick disassembly and assembly of the fixed seat.

[0026] As preferred, the conduit 12 is a flexible pipe with a constant cross-sectional area.

[0027] The conduit 12 is a flexible pipe with a constant cross-sectional area, and when the liquid storage tank 15 rises or falls, the water amount in the conduit 12 remains unchanged, thereby avoiding the bending of the conduit 12 and the increase of the detection displacement error.

[0028] As preferred, the arc length monitoring mechanism includes a support plate 4, a rotating shaft 5, a winding drum 6, a pull rope 13 and a fixed scale 3, the support plate 4 is arranged on the bottom surface of the support plate 7, the rotating shaft 5 is arranged in the middle of the support plate 4, the winding drum 6 is arranged on the rotating shaft 5, one end of the pull rope 13 is arranged on the winding drum 6, and the other end is fixed to the side surface of the fixed seat, the fixed scale 3 is arranged on the bottom surface of the support plate 7, and the pull rope 13 is parallel to the fixed scale 3.

[0029] When the monitoring device works, first, one end of the pull rope 13 is fixed to the side surface of the fixed seat, the pull rope 13 is located on the top surface of the steel beam 2 and is flush with the fixed scale 3, the fixed scale 3 and the support plate 7 are arranged horizontally, and then the pull rope 13 is marked at the zero point scale position of the fixed scale 3, when the steel beam 2 bends, the top surface of the steel beam 2 deforms to form a certain arc, thereby moving the mark of the pull rope 13 relative to the fixed scale 3, and the increase value of the arc length of the top surface of the steel beam 2 is directly read from the fixed scale 3, which is beneficial to monitoring the deformation of the steel beam 2 in the horizontal direction.

[0030] As preferred, the fixed scale 3 is made of transparent material, and the pull rope 13 is parallelly arranged in the bottom of the fixed scale 3.

[0031] When the steel beam 2 bends, the top surface of the steel beam 2 deforms to form a certain arc, thereby moving the mark of the pull rope 13 relative to the fixed scale 3, because the pull rope 13 is parallelly arranged in the fixed scale 3, the observer can directly observe the position of the mark of the pull rope 13 in the fixed scale 3, thereby conveniently obtaining the value and avoiding the deviation of the pull rope 13 in the pulling process, thereby avoiding the increase of the error.

[0032] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steel structure deformation monitoring device, characterized in that, The system includes a support plate and a fixing base. The support plate is located on the side of the steel column. The top surface of the support plate is equipped with a water supply tank and a first liquid storage tank. The water supply tank is connected to the first liquid storage tank via a water pipe, and a water pump is installed on the water pipe. The fixing base is detachably installed on the top surface of the steel beam away from the steel column. The top of the fixing base is bolted to an installation plate. The top surface of the installation plate is equipped with a second liquid storage tank. A sliding scale is slidably installed vertically inside the second liquid storage tank. A transparent observation window is provided on the side of the second liquid storage tank, located on one side of the sliding scale. The bottom of the first liquid storage tank is connected to the bottom of the second liquid storage tank via a conduit. The first and second liquid storage tanks have equal cross-sectional areas. The bottom surface of the support plate is equipped with an arc length monitoring mechanism for monitoring the change in arc length after the steel beam bends and deforms.

2. The steel structure deformation monitoring device according to claim 1, characterized in that, The fixed base includes an L-shaped frame, a sliding plate, and a lead screw. The L-shaped frame is mounted on the top surface of the steel beam, and its inner side abuts against the side of the steel beam. The top of the L-shaped frame is provided with a sliding groove. The lead screw is rotatably mounted in the sliding groove, with one end rotatably mounted on the L-shaped frame and the other end passing through the L-shaped frame and extending out to the side. The sliding plate is slidably mounted in the sliding groove and screwed to the lead screw, with its side abutting against the side of the steel beam.

3. The steel structure deformation monitoring device according to claim 2, characterized in that, It also includes a handwheel, which is located at the end of the lead screw away from the L-shaped frame.

4. The steel structure deformation monitoring device according to claim 1, characterized in that, The conduit is a flexible pipe with a constant cross-sectional area.

5. A steel structure deformation monitoring device according to claim 1, characterized in that, The arc length monitoring mechanism includes a support plate, a rotating shaft, a winding drum, a pull rope, and a fixed scale. The support plate is positioned opposite to the bottom surface of the support plate. The rotating shaft is rotatably positioned in the middle of the support plate. The winding drum is mounted on the rotating shaft. One end of the pull rope is mounted on the winding drum, and the other end is fixed to the side of the fixed base. The fixed scale is positioned on the bottom surface of the support plate, and the pull rope and the fixed scale are parallel to each other.

6. A steel structure deformation monitoring device according to claim 5, characterized in that, The fixed ruler is made of transparent material, and the pull rope is threaded parallel to the bottom of the fixed ruler.

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