Multi-site stress detection device for steel structure

Abstract

The utility model discloses a multi-site stress detection device for a steel structure, which comprises a device base, the top of the device base is provided with a moving assembly for changing the position of a detection point of the steel structure, a clamping assembly for fixing the steel structure is arranged above the moving assembly, a detection assembly is arranged above the device base, and the clamping assembly is used for clamping the detection point of the steel structure. A pressure sensor and an infrared sensor which are located on the same horizontal line are arranged in the center of the detection assembly and electrically connected with the controller. Stress detection of multiple sites of the steel structure is achieved, automatic detection is achieved, manual position adjustment and detection starting are not needed, and the detection effect and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure detection technical field, concretely relates to a stress detection device for steel structure multistage point. BACKGROUND

[0002] Steel structure is the structure of steel material composition, is one of main building structure types, and the structure is mainly composed of the beam steel, steel column, steel truss and other components made of sectional steel and steel plate, in the process of steel structure installation, unloading, reconstruction, reinforcement, concrete pouring, its stress will change, through the technical means of stress change detection instrument to the stressed steel structure, for technical personnel and control value comparison, to guarantee the safety of construction.

[0003] The existing stress detection device can only detect a certain position, causing deviation in the overall stress detection of the steel structure, and manual detection position change is required when detecting multiple positions, so that multiple position detection cannot be quickly and conveniently performed, reducing detection efficiency and effect, and wasting time and effort. UTILITY MODEL CONTENTS

[0004] The utility model discloses a stress detection device for steel structure multistage point, through set up mobile subassembly, clamping subassembly, detection subassembly, infrared sensor, realize the automatic stress detection of steel structure different position, solved the problem in prior art.

[0005] To solve the above technical problem, the utility model adopts the following scheme:

[0006] A stress detection device for steel structure multistage point, including device base, the top of device base is equipped with the mobile subassembly of steel structure detection point position change, the top of mobile subassembly is equipped with the clamping subassembly for fixing steel structure, the top of device base is equipped with detection subassembly, the center of detection subassembly is equipped with the pressure sensor and infrared sensor of same horizontal line, pressure sensor and infrared sensor are electrically connected with controller respectively.

[0007] Further, the mobile subassembly includes the moving plate and the assembly plate connected, the moving plate is located in the mobile groove of device base, and one end of the moving plate is fixedly connected with the telescopic end of the multistage telescopic rod.

[0008] Further, the inner bottom of the mobile groove is equipped with a plurality of rotating rollers.

[0009] Further, the top of the assembly plate is equipped with the sliding groove one, the middle part in the sliding groove one is equipped with the double-drive motor, the both ends of the double-drive motor are equipped with the lead screw opposite in direction, the outer periphery of the lead screw is equipped with the sliding rod one, and the top end of the sliding rod one is connected with the clamping subassembly.

[0010] Furthermore, the clamping assembly includes a connecting plate fixedly connected to the sliding rod, and the top of the connecting plate is provided with a plurality of threaded holes, the threaded holes passing through the screw rod on which the clamping plate is mounted.

[0011] Furthermore, there are two connecting plates, and the two clamping plates are provided with buffer pads on their opposite sides.

[0012] Furthermore, the bottom of the connecting plate is also provided with a plurality of sliding rods II, which are located in the sliding grooves II provided in the device base.

[0013] Furthermore, the detection component includes a mounting frame located on the surface of the device base. The left end face of the mounting frame is flush with the left end face of the device base. An automatic telescopic rod is provided at the center of the mounting frame. The telescopic end of the automatic telescopic rod is provided with a transition plate and a pressure sensor in sequence.

[0014] The beneficial effects of this utility model are:

[0015] This invention comprises a moving component, an infrared sensor, a pressure sensor, and a controller. The controller controls the operation of multi-stage telescopic rods in the moving component, causing the steel structure of the moving plate to move. The infrared sensor monitors the position information of the steel structure in real time. When the monitored position information matches the preset position information, the multi-stage telescopic rods stop working, and the controller drives the automatic telescopic rods to move downward, bringing the pressure sensor into contact with the surface of the steel structure for stress detection. This enables stress detection at multiple points on the steel structure and achieves automated detection, eliminating the need for manual position adjustment and activation of the detection, thus improving detection effectiveness and efficiency.

[0016] By setting up a clamping assembly, the dual-drive motor causes the lead screws at both ends to rotate in opposite directions, thereby causing the two sliding rods sleeved on the outside of the lead screws to move closer or further away, thus driving the clamping assembly closer or further away, thereby adapting to the clamping of different steel structures; the assembly of multiple sliding rods and sliding grooves enables the smooth movement of the connecting plate. Attached Figure Description

[0017] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0018] Fig. 2 This is a side view of the structure of this utility model;

[0019] Fig. 3 This is a top view of the clamping assembly of this utility model.

[0020] Marked: 1 - device base, 10 - moving groove, 11 - multi-stage telescopic rod, 12 - rotating roller, 2 - moving assembly, 20 - moving plate, 21 - assembly plate, 210 - sliding groove one, 211 - double-drive motor, 212 - screw rod, 213 - sliding rod one, 214 - sliding groove two, 215 - sliding rod two, 3 - clamping assembly, 30 - connecting plate, 31 - threaded hole, 32 - screw rod, 33 - clamping plate, 330 - buffer pad, 4 - detection assembly, 40 - fixed frame, 41 - automatic telescopic rod, 42 - transition plate, 43 - pressure sensor, 44 - infrared sensor, 5 - controller. DETAILED DESCRIPTION

[0021] The utility model makes further detailed description in combination with the embodiment and the attached drawing, but the embodiment of the utility model is not limited to this.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "back", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship that the utility model product is usually placed in, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "open", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Example 1

[0025] The embodiment 1 of the utility model is a kind of stress detection device for steel structure multi-site, including device base 1, the top of the device base 1 is equipped with the moving assembly 2 of changing steel structure detection point position, the moving assembly 2 is equipped with the clamping assembly 3 for fixing steel structure above, the device base 1 is equipped with detection assembly 4 above, the center of the detection assembly 4 is equipped with pressure sensor 43 and infrared sensor 44 of same horizontal line, the pressure sensor 43 and infrared sensor 44 are electrically connected with controller 5 respectively.

[0026] Refer toFigs. 1 to 3 The utility model discloses a mobile assembly 2, clamping assembly 3 and detection assembly 4 are set up above the assembly base, the bottom of mobile assembly 2 is located in the inside of assembly base, and mobile assembly 2 can be driven to move in the assembly base under the drive of driving mechanism, make the detection position of the steel structure clamped in clamping assembly 3 change, and change the detection position under the clamped state. The infrared sensor 44 in controller 5 monitors the position information of steel structure in the control processing unit in controller 5 in real time, so as to detect according to preset position information, when the monitored position information is consistent with preset position information, infrared sensor 44 passes this information to the control processing unit, and controller 5 changes mobile assembly 2 from moving state to fixed state, and then starts the stress detection of pressure sensor 43 in detection assembly 4 and the surface of steel structure, and pressure sensor 43 shows this information in display in real time through control processing unit, convenient to observe, and the display is prior art.

[0027] Before stress detection, first of all, the steel structure is segmented by distance, and the segmented distance information is input into the control processing unit of controller 5 as preset position information, and infrared sensor 44 monitors the position information of steel structure moving to the position directly below pressure sensor 43 through this preset position information, so as to control mobile assembly 2 to stop moving and the stress detection of detection assembly 4 through control processing unit when the position information is consistent with preset position information, realize the automatic stress detection of steel structure at different positions, do not need manual position moving, and improve stress detection efficiency.

[0028] In some preferred embodiments, the mobile assembly 2 includes a mobile plate 20 and an assembly plate 21 connected to each other, the mobile plate 20 is located in the moving groove 10 provided in the device base 1, and one end of the mobile plate 20 is fixedly connected to the telescopic end of the multi-stage telescopic rod 11.

[0029] Specifically, the movement of the mobile assembly 2 in the device base 1 is mainly realized by the multi-stage telescopic rod 11. The multi-stage telescopic rod 11 is electrically connected to the controller 5, and when the control processing unit in the controller 5 receives the position information monitored by the infrared sensor 44 and the preset position information, the controller 5 drives the multi-stage telescopic rod 11 to stop working, so that the mobile plate 20 remains in this position state; when the position information is consistent with the preset position information, the mobile plate 20 continues to move; thereby realizing stress detection at different positions.

[0030] The connection between the controller 5 and the multi-stage telescopic rod 11, the infrared sensor 44 and the pressure sensor 43 is a conventional operation in the control field, which will not be described here.

[0031] In some preferred embodiments, the inner bottom of the moving groove 10 is provided with a plurality of rotating rollers 12. The plurality of rotating rollers 12 are provided mainly to avoid the increase of friction caused by the direct contact between the bottom of the moving plate 20 and the bottom of the moving groove 10, which is not convenient for moving. The rotating rollers 12 are provided mainly to provide conditions for the movement of the moving plate 20, to facilitate movement, to reduce friction, and at the same time, the rotating direction of the rotating rollers 12 is consistent with the moving direction of the moving plate 20.

[0032] In some preferred embodiments, the top of the assembly plate 21 is provided with a sliding groove one 210, the middle part of the sliding groove one 210 is provided with a double-drive motor 211, the two ends of the double-drive motor 211 are provided with lead screws 212 with opposite directions, the outer periphery of the lead screws 212 is sleeved with sliding rods one 213, and the top end of the sliding rods one 213 is connected with the clamping assembly 3.

[0033] Referring to Fig. 1 and Fig. 3 , the sliding groove one 210 provided at the top of the assembly plate is provided with the double-drive motor 211 and the two lead screws 212 with opposite directions, the double-drive motor 211 is started under the action of the controller 5, the two ends of the lead screws 212 are rotated in opposite directions, the two sliding rods one 213 sleeved outside the lead screws 212 are moved close to or away from each other, the clamping assembly 3 is driven to move close to or away from each other, and the clamping of different steel structures is adapted.

[0034] It should be noted that the double-drive motor 211 is a conventional driving device, and a suitable double-drive motor 211 is selected according to actual needs.

[0035] In some preferred embodiments, the clamping assembly 3 includes a connecting plate 30 fixedly connected with the sliding rod one 213, the top of the connecting plate 30 is provided with a plurality of threaded holes 31, and the threaded holes 31 are penetrated by the screw rods 32 of the clamping plates 33. The number of the connecting plates 30 is two, and the opposite sides of the two clamping plates 33 are provided with buffer pads 330.

[0036] The clamping assembly 3 is connected with the sliding rod one 213 through the connecting plate 30, the top of the connecting plate 30 is provided with a plurality of threaded holes 31, the threaded holes 31 are penetrated by the screw rods 32 of the clamping plates 33, the number of the clamping plates 33 is multiple, and in the initial state, the multiple clamping plates 33 are on the same axis. During clamping, the double-drive motor 211 adjusts the clamping distance between the two moving plates 20 through the lead screws 212 and the sliding rods one 213, the clamping plates 33 are manually adjusted through the screw rods 32 to finely clamp the steel structure, so that the outer periphery of the steel structure is uniformly and stably clamped.

[0037] The buffer pads 330 are provided to prevent damage to the steel structure during clamping, and are made of rubber or other materials.

[0038] In some preferred embodiments, the bottom of the connecting plate 30 is also provided with a plurality of sliding rods two 215, which are located in the sliding grooves two 214 provided on the device base 1.

[0039] The sliding rods two 215 are assembled with the sliding grooves two 214, which are mainly used to make the connecting plate 30 coaxially move with the two sides under the action of the lead screw 212, so as to improve the moving conditions of the two sides and move stably, which is convenient for clamping the steel structure.

[0040] Embodiment 2

[0041] This embodiment 2 is implemented on the basis of embodiment 1, the detection assembly 4 includes a fixing frame 40 located on the surface of the device base 1, the left end surface of the fixing frame 40 is flush with the left end surface of the device base 1, the center of the fixing frame 40 is provided with an automatic telescopic rod 41, and the telescopic end of the automatic telescopic rod 41 is provided with a transition plate 42 and a pressure sensor 43 in sequence.

[0042] The specific installation position of the fixing frame 40 can make the infrared sensor 44 monitor the position from the starting end of the steel structure, so as to detect the stress of multiple positions of the steel structure. The automatic telescopic rod 41 is controlled by the controller 5 to make the pressure sensor 43 move downward to contact the steel structure and then detect. At the same time, the transition plate 42 provides installation conditions for the infrared sensor 44, the infrared sensor 44 is located on the base of the transition plate 42, and is on the same horizontal line with the pressure sensor 43, so that the position information monitored by the infrared sensor 44 and the detection position of the pressure sensor 43 are on the same horizontal line, which is convenient for stress detection of segmented distance.

[0043] It should be noted that the connecting end of the moving plate 20 and the multi-stage telescopic rod 11 is located behind the fixing frame 40 before the installation of the steel structure, at this time, the part of the moving plate 20 away from the multi-stage telescopic rod 11 is provided with an auxiliary support device, which is not described in the present application.

[0044] The working principle of the utility model is as follows: in use, the multistage telescopic rod 11 is in the stretched state, the connecting end of the moving plate 20 is located at the fixed frame 40, the double-drive motor 211 is driven, the distance between the two connecting plates 30 is adjusted, the steel structure is placed between the connecting plates 30 and the fine clamping is carried out manually by adjusting the screw rod 32, the controller 5 starts the multistage telescopic rod 11 to work to make the moving plate 20 move to the multistage telescopic rod 11 direction in turn, the infrared sensor 44 monitors the position information of the steel structure in real time, when the monitored position information is consistent with the preset position information, the multistage telescopic rod 11 stops working, the controller 5 drives the automatic telescopic rod 41 to move downward to make the pressure sensor 43 contact with the surface of the steel structure, thereby stress detection is carried out, after the detection is completed, the surface of the steel structure is far away, the multistage telescopic rod 11 continues to move, until the next time the position information of the steel structure monitored in real time is consistent with the preset position information, the multistage telescopic rod 11 stops moving, stress detection is carried out, the stress detection of the multiple points of the steel structure is realized, and the automatic detection is realized, the position and the opening detection need not be adjusted manually, the detection effect and the efficiency are improved.

[0045] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, according to the technical essence of the utility model, any simple modification, equivalent replacement and improvement of the above embodiment still belong to the protection scope of the utility model technical scheme within the spirit and principle of the utility model.

Claims

1. A stress detection device for a multi-site of a steel structure, characterized by, The utility model provides a kind of steel structure detection device, including device base (1), the top of device base (1) is equipped with the moving assembly (2) of the change steel structure detection point position, the moving assembly (2) is equipped with the clamping assembly (3) for fixing steel structure above, the detection assembly (4) is equipped with above device base (1), the center of detection assembly (4) is equipped with the pressure sensor (43) and infrared sensor (44) of same horizontal line, the pressure sensor (43) and infrared sensor (44) are electrically connected with controller (5) respectively.

2. The stress detection device for multi-site of steel structure according to claim 1, characterized in that, The moving assembly (2) includes a movable plate (20) and an assembly plate (21) connected thereto, the movable plate (20) is located in a moving groove (10) provided in the device base (1), and one end of the movable plate (20) is fixedly connected with a telescopic end of a multi-stage telescopic rod (11).

3. The stress detection device for multi-site of steel structure according to claim 2, characterized in that, The inner bottom of the moving groove (10) is provided with a plurality of rotating rollers (12).

4. The stress detection device for multi-site of steel structure according to claim 2, characterized in that, The top of the assembly plate (21) is provided with a sliding groove (210), the middle of the sliding groove (210) is provided with a double-drive motor (211), the two ends of the double-drive motor (211) are provided with lead screws (212) with opposite directions, the outer periphery of the lead screws (212) is sleeved with sliding rods (213), and the top end of the sliding rods (213) is connected with the clamping assembly (3).

5. The stress detection device for multi-site of steel structure according to claim 4, characterized in that, The clamping assembly (3) includes a connecting plate (30) fixedly connected with the sliding rods (213), the top of the connecting plate (30) is provided with a plurality of threaded holes (31), and the threaded holes (31) are penetrated by screw rods (32) of clamping plates (33).

6. The stress detection device for multi-site of steel structure according to claim 5, characterized in that, The number of the connecting plates (30) is two, and the opposite sides of the two clamping plates (33) are provided with buffer pads (330).

7. The stress detection apparatus for a steel structure according to claim 5, wherein The bottom of the connecting plate (30) is further provided with a plurality of sliding rods (215), and the sliding rods (215) are located in sliding grooves (214) provided in the device base (1).

8. The stress detection device for multi-site of steel structure according to claim 5, characterized in that, The detection assembly (4) includes a fixing frame (40) located on the surface of the device base (1), the left end surface of the fixing frame (40) is flush with the left end surface of the device base (1), the center of the fixing frame (40) is provided with an automatic telescopic rod (41), and the telescopic end of the automatic telescopic rod (41) is provided with a transition plate (42) and a pressure sensor (43) in sequence.

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