Device for monitoring stress of steel structure factory building

Abstract

The utility model discloses a steel structure factory building stress monitoring device which comprises profile steel and a shell, the profile steel is provided with an installation groove, the middle of the installation groove is provided with a stress groove, the periphery of the installation groove is provided with fixing grooves, the middle of the shell is fixedly connected with a fixing plate, and the periphery of the fixing plate is provided with fixing rods matched with the fixing grooves in a sliding mode. A double-shaft motor is fixedly installed in the middle of the fixing plate, an output shaft at one end of the double-shaft motor is provided with an external thread, the output shaft is connected with an internal thread sleeve moving in the axial direction in a screwed mode through the thread, and a stress sensor is fixedly installed at the end of the internal thread sleeve. According to the utility model, the double-shaft motor is driven to drive the internal thread bushing to drive the stress sensor to move towards the stress groove under the transmission action of the thread and the limiting action of the guide block until the stress sensor is in contact with the stress groove, and the stress sensor is used for detecting the internal stress change of the section steel, so that the sensitivity of the sensor on the stress monitoring of the section steel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to monitoring device technical field especially relates to a steel structure factory stress monitoring device. BACKGROUND

[0002] The section steel is widely used in house building, bridge construction, foundation pit support and formwork support etc. structure due to its excellent mechanical property, high manufacturing precision, convenient installation process and easy to ensure quality. However, the change of external factors can cause stress in the section steel, which requires setting multiple stress monitoring devices to accurately monitor the stress state of the section steel.

[0003] At present, the sensor for detecting stress is mostly attached to the surface of the section steel structure, not embedded in its interior, which affects the sensitivity of the sensor to the stress monitoring of the section steel to some extent. In addition, these sensors usually need to be fixed using multiple bolts, which brings inconvenience to daily maintenance. UTILITY MODEL CONTENTS

[0004] The utility model relates to a steel structure factory stress monitoring device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A steel structure factory stress monitoring device, comprising a section steel and a shell, the section steel is provided with an installation groove, a stress groove is arranged in the middle of the installation groove, and a fixing groove is arranged around the installation groove, the middle of the shell is fixedly connected with a fixed plate, the fixed plate is slidably provided with a fixed rod matched with the fixing groove around the fixed plate, a double-shaft motor is fixedly installed in the middle of the fixed plate, an outer thread is arranged on the output shaft of one end of the double-shaft motor, an inner thread sleeve moving along the axial direction is connected with the output shaft through thread screwing, the inner thread sleeve penetrates through one end of the shell, and a stress sensor matched with the stress groove is fixedly installed at the end of the inner thread sleeve.

[0007] As a further description of the above technical scheme:

[0008] The output shaft of the other end of the double-shaft motor is fixedly connected with a rotating plate, a second sliding groove is arranged on the rotating plate, the second sliding groove is arranged obliquely from inside to outside, a first sliding groove is arranged on the fixed plate, the first sliding groove is arranged along the radial direction, the horizontal end of the fixed rod penetrates through the first sliding groove and the second sliding groove, and the vertical end of the fixed rod penetrates through the through hole on the shell.

[0009] As a further description of the above technical scheme:

[0010] The inner wall of the shell is fixedly connected with a fixed sleeve sleeved outside the vertical end of the fixed rod.

[0011] As a further description of the above technical solutions:

[0012] The outer side of the internal threaded sleeve is fixedly connected with a guide block, and the shell has a through slot at one end, which is matched with the shape of the outer wall of the internal threaded sleeve.

[0013] As a further description of the above technical solutions:

[0014] The two ends of the internal threaded sleeve are respectively fixedly connected with a limiting ring and a limiting plate, the outer diameter of which is larger than the size of the through slot, and a stress sensor is fixedly installed at the end of the limiting plate.

[0015] As a further description of the above technical solutions:

[0016] The outer side of the shell is fixedly connected with a positioning block, and the mounting groove extends radially outward and has a positioning groove matched with the positioning block.

[0017] As a further description of the above technical solutions:

[0018] The other end of the shell is fixedly connected with a handle.

[0019] As described above, due to the adoption of the above technical solutions, the beneficial effects of the present application are:

[0020] 1. In the present application, the double-shaft motor is driven, and under the action of thread transmission and the limiting action of the guide block, the internal threaded sleeve drives the stress sensor to move to the stress groove until the stress sensor contacts the stress groove. The stress sensor detects the internal stress change of the shaped steel, and improves the sensitivity of the sensor to the stress monitoring of the shaped steel.

[0021] 2. In the present application, the double-shaft motor is driven to drive the rotating plate to rotate counterclockwise. Due to the structural design of the second sliding groove, the fixed rod is driven to move outward until the vertical end of the fixed rod passes through the fixed sleeve, the through hole and enters the fixed groove. The structure is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 An explosion schematic diagram of a steel structure plant stress monitoring device according to an embodiment of the present application is shown;

[0023] Figure 2 A three-dimensional structure schematic diagram of a steel structure plant stress monitoring device according to an embodiment of the present application is shown;

[0024] Figure 3 A cross-sectional schematic diagram of a steel structure plant stress monitoring device according to an embodiment of the present application is shown;

[0025] Figure 4A structure schematic view of a shell is shown according to the embodiment of the utility model;

[0026] Figure 5 A data transmission schematic view of the device for monitoring stress of a steel structure factory building is shown according to the embodiment of the utility model.

[0027] Legend:

[0028] 1, profiled steel; 101, mounting groove; 102, positioning groove; 103, stress groove; 104, fixing groove; 2, internal thread sleeve; 3, guide block; 4, limiting ring; 5, limiting plate; 6, fixed plate; 601, first sliding groove; 7, fixed rod; 8, double-shaft motor; 9, rotating plate; 901, second sliding groove; 10, shell; 1001, through hole; 1002, through groove; 11, handle; 12, positioning block; 13, fixing sleeve; 14, stress sensor. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of steel structure factory stress monitoring device, including profile steel 1 and shell 10, shell 10 other end portion fixedly connected with handle 11, installation groove 101 is set up on profile steel 1, stress groove 103 is set up in installation groove 101 middle part, fixed groove 104 is set up around installation groove 101, shell 10 outside fixedly connected with locating block 12, installation groove 101 extends with the locating groove 102 of locating block 12 adaptation along radial direction outward, by the cooperation of locating block 12 and locating groove 102, so that fixed groove 104 is aligned with through-hole 1001, so that fixed rod 7 vertical end enters fixed groove 104, the connection of shell 10 and profile steel 1 is fixed, fixed plate 6 is fixedly connected in shell 10 middle part, fixed rod 7 that is cooperated with fixed groove 104 is slidably arranged around fixed plate 6, double-shaft motor 8 is fixedly installed in fixed plate 6 middle part, outer thread is set up on the output shaft of one end of double-shaft motor 8, inner thread sleeve 2 is connected by thread screwing on the output shaft, guiding block 3 is fixedly connected on the outer side of inner thread sleeve 2, through groove 1002 that is cooperated with the shape of the outer wall of inner thread sleeve 2 is set up in one end of shell 10, stress sensor 14 that is cooperated with stress groove 103 is fixedly installed on the end of inner thread sleeve 2, rotating plate 9 is fixedly connected on the output shaft of other end of double-shaft motor 8, second sliding groove 901 is set up on rotating plate 9, and second sliding groove 901 is inclinedly arranged from inside to outside, first sliding groove 601 is set up on fixed plate 6, and first sliding groove 601 is set up along radial direction, and the horizontal end of fixed rod 7 passes through first sliding groove 601 and second sliding groove 901, and the vertical end of fixed rod 7 passes through through-hole 1001 on shell 10. By the rotation of two end output shafts driven by double-shaft motor 8, one end output shaft drives rotating plate 9 counterclockwise rotation, due to the structural design of second sliding groove 901, drive fixed rod 7 to move outward, until the vertical end of fixed rod 7 passes through fixed sleeve 13, through-hole 1001 and enters fixed groove 104, structure is simple, convenient to operate, in the output shaft side of other end of motor, under the restriction of guiding block 3 and the thread transmission effect, drive inner thread sleeve 2 to drive stress sensor 14 to move to stress groove 103, until stress sensor 14 contacts stress groove 103, by stress sensor 14 detects the stress change inside profile steel 1, improve the sensitivity of sensor to profile steel stress monitoring.

[0031] It should be noted that, as Figure 5As shown, the stress sensor 14 is connected to the data acquisition instrument through the data line 16, and the stress sensor 14, the data acquisition instrument and the cloud database are combined into a monitoring system. The device is fixed on the surface of the steel structure member to be monitored in the factory building. The intelligent control of the device by the technical personnel in the technical field is realized through the external programming software. After the stress sensor 14 is connected to the multifunctional data acquisition instrument, the data acquisition instrument is started, and the data acquisition instrument uploads the data to the cloud database. Through the cloud system, the data reception can be started. Under the working connection of the new 16-channel multifunctional data acquisition instrument, the efficiency of the overall data acquisition is greatly improved, and the problems of unstable data transmission and low working efficiency in the existing structure can be avoided. Through the external connection of the alarm system, the stress sharply increasing and other abnormal phenomena can be captured in real time during the operation process, and then a warning is issued. The device can also be applied to mobile phones and other equipment to view the cloud data online at any time.

[0032] Specifically, as shown in Figure 3 The inner wall of the shell 10 is fixedly connected with a fixed sleeve 13 sleeved on the outer vertical end of the fixed rod 7, which plays a guiding and supporting role for the fixed rod 7, avoiding the situation that the vertical end of the fixed rod 7 falls off from the two groups of sliding grooves when entering the shell 10.

[0033] Specifically, as shown in Figure 1 and Figure 3 The two ends of the inner threaded sleeve 2 are fixedly connected with a limiting ring 4 and a limiting plate 5 respectively, the outer diameter of which is larger than the size of the through groove 1002. The end of the limiting plate 5 is fixedly installed with a stress sensor 14. The limiting ring 4 and the limiting plate 5 play a role in limiting the inner threaded sleeve 2 from separating from the shell 10.

[0034] Working principle: when in use, align the positioning block 12 and the positioning groove 102, and put the shell 10 into the installation groove 101 by holding the handle 11. Then, drive the two end output shafts to rotate by the double-shaft motor 8. The output shaft on one end drives the rotating plate 9 to rotate counterclockwise. Due to the structural design of the second sliding groove 901, the fixed rod 7 is driven to move outward until the vertical end of the fixed rod 7 passes through the fixed sleeve 13, the through hole 1001 and enters the fixed groove 104. The structure is simple and the operation is convenient. On the other side of the output shaft of the motor, under the action of the threaded transmission and the limiting action of the guide block 3, the inner threaded sleeve 2 drives the stress sensor 14 to move to the stress groove 103 until the stress sensor 14 contacts the stress groove 103. The stress sensor 14 detects the stress change in the profile steel 1, improving the sensitivity of the sensor to the stress monitoring of the profile steel.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for stress monitoring of a steel structure factory building, comprising steel profiles (1) and a shell (10), characterized in that, The steel profile (1) is provided with an installation groove (101), a stress groove (103) is provided in the middle of the installation groove (101), and a fixing groove (104) is provided around the installation groove (101). A fixing plate (6) is fixedly connected to the middle of the housing (10). A fixing rod (7) that cooperates with the fixing groove (104) is slidably arranged around the fixing plate (6). A dual-axis motor (8) is fixedly installed in the middle of the fixing plate (6). An external thread is provided on the output shaft at one end of the dual-axis motor (8). An axially movable internal thread sleeve (2) is connected to the output shaft by thread. The internal thread sleeve (2) passes through one end of the housing (10), and a stress sensor (14) that is compatible with the stress groove (103) is fixedly installed at the end of the internal thread sleeve (2).

2. The device for stress monitoring of steel structure workshops according to claim 1, characterized in that, A rotating plate (9) is fixedly connected to the output shaft at the other end of the dual-axis motor (8). A second sliding groove (901) is provided on the rotating plate (9). The second sliding groove (901) is arranged inclined from the inside to the outside. A first sliding groove (601) is provided on the fixed plate (6). The first sliding groove (601) is opened radially. The horizontal end of the fixed rod (7) passes through the first sliding groove (601) and the second sliding groove (901). The vertical end of the fixed rod (7) passes through the through hole (1001) on the housing (10).

3. The device for stress monitoring of a steel structure workshop according to claim 2, characterized in that, The inner wall of the housing (10) is fixedly connected to a fixing sleeve (13) that is sleeved on the outside of the vertical end of the fixing rod (7).

4. The device for stress monitoring of a steel structure workshop according to claim 3, characterized in that, The inner threaded sleeve (2) is fixedly connected to a guide block (3), and a through groove (1002) adapted to the shape of the outer wall of the inner threaded sleeve (2) is opened at one end of the housing (10).

5. The device for stress monitoring of a steel structure workshop according to claim 4, characterized in that, The inner threaded sleeve (2) is fixedly connected to a limiting ring (4) and a limiting plate (5) with an outer diameter larger than that of the through groove (1002) at both ends. A stress sensor (14) is fixedly installed at the end of the limiting plate (5).

6. The device for stress monitoring of a steel structure workshop according to claim 5, characterized in that, A positioning block (12) is fixedly connected to the outside of the housing (10), and the mounting groove (101) extends radially outward to form a positioning groove (102) that is compatible with the positioning block (12).

7. The device for stress monitoring of a steel structure workshop according to claim 6, characterized in that, A handle (11) is fixedly connected to the other end of the housing (10).

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