CN221464676U - Bridge structure stress-strain detection device - Google Patents
Bridge structure stress-strain detection device Download PDFInfo
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- CN221464676U CN221464676U CN202420237212.0U CN202420237212U CN221464676U CN 221464676 U CN221464676 U CN 221464676U CN 202420237212 U CN202420237212 U CN 202420237212U CN 221464676 U CN221464676 U CN 221464676U
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Abstract
The utility model discloses a bridge structure stress-strain detection device, which relates to the technical field of bridge detection devices and comprises a detection device sliding mechanism, a stress-strain detection mechanism and a detection box shifting power mechanism, wherein the detection device sliding mechanism comprises two end rods, transverse sliding rods, sliding sleeves, mounting seats and mounting bolts; the bridge structure stress strain detection device can be switched among a plurality of detection points, and can detect stress strains at different positions of a bridge, so that the condition of the bridge can be comprehensively reflected, and accurate judgment on the safety of the bridge is ensured.
Description
Technical Field
The utility model relates to the technical field of bridge detection devices, in particular to a bridge structure stress-strain detection device.
Background
At present, the bridge adopts a cast-in-situ reinforced concrete structure, and the concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased, the existing road and bridge is subjected to external running water, passing vehicles and the like in long-term use, the bridge body is stressed, the structure is inevitably deformed under the long-term action, the stability of the bridge body is affected, the position where the concrete structure is changed is maintained, the section or collapse condition occurs, the concrete structure is required to be monitored in real time, the problem of the bridge structure cannot be completely reflected due to single detection point of the bridge, the detection data distortion is easily caused, and the judgment on the bridge safety is affected.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the bridge structure stress strain detection device which can be switched among a plurality of detection points to detect stress strains at different positions of a bridge, can comprehensively reflect the condition of the bridge, ensures accurate judgment on the safety of the bridge and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a bridge structure stress-strain detection device, comprising:
The sliding mechanism of the detection device comprises end rods, transverse sliding rods, sliding sleeves, mounting seats and mounting bolts, wherein the transverse sliding rods are provided with two end rods, the left end and the right end of each transverse sliding rod are respectively connected through the end rods, the sliding sleeves are respectively connected to the two transverse sliding rods in a sliding manner, two mounting seats are respectively arranged on one opposite sides of the two sliding sleeves, the mounting seats are in threaded connection with the mounting bolts, the front end and the rear end of the bottom of each end rod are respectively fixedly connected with the front end and the rear end of a fixed angle steel through a height adjusting mechanism, and fixing holes are formed in the side faces of the fixed angle steel;
the stress-strain detection mechanism is fixed between the two mounting seats;
The detection box displacement power mechanism is arranged at the tops of the two fixed angle steels, and is connected with the bottom of the stress strain detection mechanism.
The fixed hole in the fixed angle steel is inserted into the fixed inserted bar or the expansion bolt is fixed to the fixed angle steel, the height of the detection device sliding mechanism can be adjusted by the height adjusting mechanism, the detection device sliding mechanism is close to the bottom of the bridge, the stress-strain detecting mechanism is fixed between two mounting seats through the mounting bolt, the position of the stress-strain detecting mechanism can be changed by sliding the sliding sleeve transversely along the transverse sliding bar, multi-point detection can be realized, the stress-strain detecting mechanism is mounted through the mounting bolt after the fixed angle steel, the height adjusting mechanism and the detection device sliding mechanism are deployed, the stress-strain detecting mechanism is prevented from being influenced by vibration when the fixed angle steel, the height adjusting mechanism and the detection device sliding mechanism are mounted, the detection box shifting power mechanism is used for improving power for moving the stress-strain detecting mechanism, and the stress-strain detecting mechanism detects the stress-strain of the bottom of the bridge.
Further, stress-strain detection mechanism includes detection box, stress detection chamber, electric telescopic handle and stress detector, two mount pads of front and back side through mounting bolt fixed connection respectively of detection box, be provided with the stress detection chamber on the detection box, the stress detection intracavity is provided with vertical electric telescopic handle, and electric telescopic handle's top is provided with stress detector. The detection box is used for installing the electric telescopic rod and the stress detector, the stress detector can be lifted by stretching the electric telescopic rod, so that the stress detector abuts against the bottom of the bridge, and the stress of the bottom of the bridge can be detected.
Further, the stress strain detection mechanism further comprises a strain detection cavity and a surface strain gauge, the strain detection cavity is further arranged on the detection box, the surface strain gauge is arranged in the strain detection cavity, and the surface strain gauge can detect the surface strain at the bottom of the bridge.
Further, the stress-strain detection mechanism further comprises a linear motor, a box cover and linear motor guide rails, the front side and the rear side of the top of the detection box are respectively fixedly connected with the linear motor guide rails, each linear motor guide rail is respectively matched with and installed with the linear motor, the front side and the rear side of the right end of the box cover are respectively fixedly connected with two linear motors, the linear motors can drive the box cover to move along the linear motor guide rails, the detection box is sealed by the box cover when detection is not needed, and the surface strain gauge and the stress detector inside the detection box are protected.
Further, the stress-strain detection mechanism further comprises handles, two handles are arranged at the top of the box cover, and the detection box can be lifted through the handles when the detection box is installed or moved.
Further, detection box shift power unit includes support, transfer roller, the conveyer belt, the motor, fixed cover, connection piece and fixed screw, the top center of two fixed angle steel is provided with the support respectively, rotate on the support and be connected with fore-and-aft transfer roller, two transfer rollers pass through the conveyer belt transmission and connect, the output shaft of the tip fixed connection motor of one of them transfer roller, the motor is fixed at the top of fixed angle steel, fixed cover has been cup jointed at the top of conveyer belt, be provided with the connection piece on the fixed cover, the connection piece passes through the bottom of fixed screw fixed connection detection box, the motor work drives the transfer roller and rotates, thereby drive the conveyer belt activity, conveyer belt fixed cover and connection piece drive detection box remove along horizontal slide bar 42, thereby realize the detection to different positions.
Compared with the prior art, the utility model has the beneficial effects that: the bridge structure stress strain detection device has the following advantages:
1. The fixed hole in the fixed angle steel inserts fixed inserted bar or expansion bolts and fixes fixed angle steel, and high adjustment mechanism can adjust detection device sliding mechanism's height, makes detection device sliding mechanism be close to the bottom of bridge, and stress-strain detection mechanism passes through the mounting bolt to be fixed between two mount pads, and the sliding sleeve transversely slides along the sideslip pole and can change stress-strain detection mechanism's position, can realize that the multiple spot position detects.
2. The bridge detection device can be switched among a plurality of detection points, stress and strain at different positions of the bridge are detected, the condition of the bridge can be comprehensively reflected, and accurate judgment on the safety of the bridge is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the bottom structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the height adjusting mechanism of the present utility model.
In the figure: the device comprises a fixed angle steel 1, a fixed hole 2, a height adjusting mechanism 3, a movable cylinder 31, a fixed cylinder 32, a threaded column 33, an adjusting hand wheel 34, a limit nut 35, a detection device sliding mechanism 4, an end rod 41, a transverse sliding rod 42, a sliding sleeve 43, a mounting seat 44, a mounting bolt 45, a stress-strain detection mechanism 5, a detection box 51, a stress detection cavity 52, an electric telescopic rod 53, a stress detector 54, a strain detection cavity 55, a surface strain gauge 56, a linear motor 57, a box cover 58, a linear motor guide rail 59, a handle 510, a detection box shift power mechanism 6, a support 61, a conveying roller 62, a conveying belt 63, a motor 64, a fixed sleeve 65, a connecting sheet 66 and a fixing screw 67.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 2, the present utility model provides a technical solution: the device for detecting the stress and strain of the bridge structure comprises a detection device sliding mechanism 4, a stress and strain detection mechanism 5 and a detection box shifting power mechanism 6;
The sliding mechanism 4 of the detection device comprises end rods 41, transverse sliding rods 42, sliding sleeves 43, mounting seats 44 and mounting bolts 45, wherein the transverse sliding rods 42 are provided with two transverse sliding rods 42 and are correspondingly arranged front and back, the left ends and the right ends of the two transverse sliding rods 42 are respectively connected through the end rods 41, the two transverse sliding rods 42 are respectively connected with the sliding sleeves 43 in a sliding manner, two mounting seats 44 are respectively arranged on one opposite side of the two sliding sleeves 43, the mounting seats 44 are in threaded connection with the mounting bolts 45, the front end and the rear end of the bottom of each end rod 41 are respectively fixedly connected with the front end and the rear end of a fixed angle steel 1 through a height adjusting mechanism 3, and a fixing hole 2 is formed in the side face of the fixed angle steel 1;
The stress-strain detecting mechanism 5 is fixed between the two mounting seats 44;
The stress-strain detection mechanism 5 comprises a detection box 51, a stress detection cavity 52, an electric telescopic rod 53 and a stress detector 54, wherein the front side and the rear side of the detection box 51 are fixedly connected with two mounting seats 44 through mounting bolts 45 respectively, the stress detection cavity 52 is arranged on the detection box 51, the vertical electric telescopic rod 53 is arranged in the stress detection cavity 52, and the stress detector 54 is arranged at the top end of the electric telescopic rod 53. The detection box 51 is used for installing the electric telescopic rod 53 and the stress detector 54, the electric telescopic rod 53 stretches to lift the stress detector 54, so that the stress detector 54 abuts against the bottom of the bridge, and the stress of the bottom of the bridge can be detected.
The stress-strain detection mechanism 5 further comprises a strain detection cavity 55 and a surface strain gauge 56, the strain detection cavity 55 is further arranged on the detection box 51, the surface strain gauge 56 is arranged in the strain detection cavity 55, and the surface strain gauge 56 can detect the surface strain of the bottom of the bridge.
The stress-strain detection mechanism 5 further comprises a linear motor 57, a box cover 58 and linear motor guide rails 59, the front side and the rear side of the top of the detection box 51 are respectively fixedly connected with the linear motor guide rails 59, each linear motor guide rail 59 is respectively matched with and provided with the linear motor 57, the front side and the rear side of the right end of the box cover 58 are respectively fixedly connected with two linear motors 57, the linear motors 57 can drive the box cover 58 to move along the linear motor guide rails 59, the detection box 51 is covered by the box cover 58 when detection is not needed, and the surface strain gauge 56 and the stress detector 54 inside are protected.
The stress-strain detecting mechanism 5 further includes a handle 510, and two handles 510 are provided on top of the box cover 58, and the detecting box 51 can be lifted up by the handles 510 when the detecting box 51 is mounted or moved.
The detection box displacement power mechanism 6 is arranged at the top of the two fixed angle steels 1, and the detection box displacement power mechanism 6 is connected with the bottom of the stress strain detection mechanism 5.
The fixed angle steel 1 is fixed through the fixed inserting rod or the expansion bolt inserted into the fixed hole 2 in the fixed angle steel 1, the height of the detection device sliding mechanism 4 can be adjusted by the height adjusting mechanism 3, the detection device sliding mechanism 4 is close to the bottom of a bridge, the stress-strain detection mechanism 5 is fixed between two mounting seats 44 through the mounting bolts 45, the position of the stress-strain detection mechanism 5 can be changed through the sliding sleeve 43 transversely sliding along the transverse sliding rod 42, multi-point detection can be realized, the stress-strain detection mechanism 5 is mounted through the mounting bolts 45 after the fixed angle steel 1, the height adjusting mechanism 3 and the detection device sliding mechanism 4 are deployed, the stress-strain detection mechanism 5 is prevented from being influenced by vibration when the fixed angle steel 1, the height adjusting mechanism 3 and the detection device sliding mechanism 4 are mounted, the detection box shifting power mechanism 6 is used for improving power for moving the stress-strain detection mechanism 5, and the stress-strain detection mechanism 5 is used for detecting the bottom of the bridge.
In a second embodiment, referring to fig. 1 to 2, the present utility model provides a technical solution: the embodiment is a further explanation of the structure of the first embodiment;
The detection box displacement power mechanism 6 comprises a support 61, conveying rollers 62, a conveying belt 63, a motor 64, a fixing sleeve 65, a connecting sheet 66 and a fixing screw 67, wherein the support 61 is respectively arranged at the top centers of the two fixing angle steels 1, the longitudinal conveying rollers 62 are rotatably connected to the support 61, the two conveying rollers 62 are in transmission connection through the conveying belt 63, the end part of one conveying roller 62 is fixedly connected with the output shaft of the motor 64, and the motor 64 is fixed at the top of the fixing angle steel 1;
The top of the conveyor belt 63 is fixedly sleeved with a fixed sleeve 65, the fixed sleeve 65 is provided with a connecting sheet 66, and the connecting sheet 66 is fixedly connected with the bottom of the detection box 51 through a fixed screw 67;
The motor 64 works to drive the conveying roller 62 to rotate, so that the conveying belt 63 is driven to move, and the conveying belt 63 drives the detection box 51 to move along the transverse sliding rod 42 through the fixing sleeve 65 and the connecting sheet 66, so that detection of different points is realized.
In a third embodiment, referring to fig. 3, the present utility model provides a technical solution: the embodiment is a further explanation of the structure of the second embodiment;
The height adjusting mechanism 3 comprises a movable barrel 31, a fixed barrel 32, a threaded column 33, an adjusting hand wheel 34 and a limit nut 35, wherein the front end and the rear end of the fixed angle steel 1 are respectively embedded with the vertical fixed barrel 32, the top of the inner side of the fixed barrel 32 is vertically and slidably connected with the movable barrel 31, the fixed barrel 32 and the movable barrel 31 can stably and vertically slide by adopting a chute and a slide bar, the threaded column 33 is in threaded connection with the bottom of the fixed barrel 32, the bottom of the threaded column 33 is fixedly connected with the adjusting hand wheel 34, the top end of the threaded column 33 is positioned in the movable barrel 31 and is in threaded connection with the limit nut 35, the limit nut 35 can prevent the threaded column 33 from being completely separated from the movable barrel 31 to cause failure, the top end rod 41 of the movable barrel 31 is fixedly connected with the bottom of the movable barrel 31, the threaded column 33 can be rotated by the adjusting hand wheel 34, the movable barrel 31 can vertically move along the fixed barrel 32 by the threaded action of the threaded column 33 and the movable barrel 31, and therefore the height of the end rod 41 can be changed, and the stress strain detecting mechanism 5 can be close to the bottom to be detected.
It should be noted that, in the above embodiment, the input ends of the stress detector 54, the electric telescopic rod 53, the surface strain gauge 56, the linear motor 57 and the motor 64 are electrically connected to the output end of the external power source through an external controller, the motor 64 adopts a servo motor, the external controller controls the stress detector 54, the electric telescopic rod 53, the surface strain gauge 56, the linear motor 57 and the motor 64 to operate by a method commonly used in the prior art, and a communication module may be provided to realize remote control and transmission of detection data.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bridge construction stress strain detection device which characterized in that includes:
The sliding mechanism (4) of the detection device comprises end rods (41), transverse sliding rods (42), sliding sleeves (43), mounting seats (44) and mounting bolts (45), wherein the transverse sliding rods (42) are provided with two transverse sliding rods and are correspondingly arranged front and back, the left ends and the right ends of the two transverse sliding rods (42) are respectively connected through the end rods (41), the sliding sleeves (43) are respectively and slidably connected onto the two transverse sliding rods (42), two mounting seats (44) are respectively arranged on one side, opposite to the two sliding sleeves (43), the mounting seats (44) are respectively connected with the mounting bolts (45) in a threaded manner, the front end and the rear end of the bottom of each end rod (41) are respectively and fixedly connected with the front end and the rear end of each fixed angle steel (1) through a height adjusting mechanism (3), and the side surface of each fixed angle steel (1) is provided with a fixing hole (2);
A stress-strain detection mechanism (5) fixed between the two mounting seats (44);
The detection box displacement power mechanism (6) is arranged at the tops of the two fixed angle steels (1), and the detection box displacement power mechanism (6) is connected with the bottom of the stress strain detection mechanism (5).
2. The bridge structure stress-strain detection device according to claim 1, wherein: the stress-strain detection mechanism (5) comprises a detection box (51), a stress detection cavity (52), an electric telescopic rod (53) and a stress detector (54), wherein the front side and the rear side of the detection box (51) are fixedly connected with two mounting seats (44) through mounting bolts (45) respectively, the stress detection cavity (52) is arranged on the detection box (51), the vertical electric telescopic rod (53) is arranged in the stress detection cavity (52), and the stress detector (54) is arranged at the top end of the electric telescopic rod (53).
3. The bridge construction stress-strain detecting device according to claim 2, wherein: the stress-strain detection mechanism (5) further comprises a strain detection cavity (55) and a surface strain gauge (56), the strain detection cavity (55) is further arranged on the detection box (51), and the surface strain gauge (56) is arranged in the strain detection cavity (55).
4. A bridge construction stress-strain detecting device according to claim 3, wherein: the stress-strain detection mechanism (5) further comprises a linear motor (57), a box cover (58) and linear motor guide rails (59), the front side and the rear side of the top of the detection box (51) are respectively fixedly connected with the linear motor guide rails (59), the linear motor (57) are respectively matched and installed on each linear motor guide rail (59), and the front side and the rear side of the right end of the box cover (58) are respectively fixedly connected with two linear motors (57).
5. The bridge construction stress-strain detecting device according to claim 4, wherein: the stress-strain detection mechanism (5) further comprises a handle (510), and two handles (510) are arranged on the top of the box cover (58).
6. A bridge construction stress-strain detecting device according to any one of claims 2 to 5, wherein: the utility model provides a detection box shift power mechanism (6) include support (61), transfer roller (62), conveyer belt (63), motor (64), fixed cover (65), connection piece (66) and fixed screw (67), the top center of two fixed angle steel (1) is provided with support (61) respectively, rotate on support (61) and be connected with fore-and-aft transfer roller (62), two transfer rollers (62) are connected through conveyer belt (63) transmission, the output shaft of one of them end fixed connection motor (64) of transfer roller (62), the top at fixed angle steel (1) is fixed to motor (64), fixed cover (65) has been cup jointed at the top of conveyer belt (63), be provided with connection piece (66) on fixed cover (65), the bottom of connection piece (66) through fixed screw (67) fixed connection detection box (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420237212.0U CN221464676U (en) | 2024-01-31 | 2024-01-31 | Bridge structure stress-strain detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420237212.0U CN221464676U (en) | 2024-01-31 | 2024-01-31 | Bridge structure stress-strain detection device |
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| Publication Number | Publication Date |
|---|---|
| CN221464676U true CN221464676U (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420237212.0U Active CN221464676U (en) | 2024-01-31 | 2024-01-31 | Bridge structure stress-strain detection device |
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| Country | Link |
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| CN (1) | CN221464676U (en) |
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- 2024-01-31 CN CN202420237212.0U patent/CN221464676U/en active Active
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