CN215493246U - Bridge bottom surface crack detection device - Google Patents
Bridge bottom surface crack detection device Download PDFInfo
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- CN215493246U CN215493246U CN202121973843.1U CN202121973843U CN215493246U CN 215493246 U CN215493246 U CN 215493246U CN 202121973843 U CN202121973843 U CN 202121973843U CN 215493246 U CN215493246 U CN 215493246U
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Abstract
The utility model relates to a bridge bottom surface crack detection device, including the dolly, dolly sliding connection is on the bridge, and the dolly bottom is equipped with the connecting plate, rotates in the middle of the connecting plate and connects the pivot, connects the perpendicular rigid coupling connecting rod of pivot upper end outer wall, and the connecting rod stretches out end coaxial line rigid coupling threaded rod, and the threaded rod outer wall runs through and rotates and connect the swivel nut, and the swivel nut upper end is equipped with the crack detection appearance, and this kind of detection method does not have the straggly, does not need the manual work, and the very careful of detection, can not have the omission, and is very effective.
Description
Technical Field
The application relates to the technical field of crack detection, in particular to a bridge bottom crack detection device.
Background
The detection device is equipment for detecting the cracks of the bridge, more than 90% of the concrete bridge is caused by the cracks, some cracks continuously generate and expand new cracks under the action of use load or external physical and chemical factors to form penetrating seams and deep seams, the cracks with the thickness of 0.20-0.30 mm can directly damage the structural integrity, concrete carbonization, protective layer peeling and steel bar corrosion are caused, mechanical discontinuities are formed in the bridge, the bearing capacity of the bridge is greatly reduced, and even collapse accidents occur seriously, so that the normal use of the bridge structure is damaged.
However, some crack detection devices are basically detected by holding a detection instrument by a detection person, and even if the device is provided, the structure is designed to be a fixed structure, so that the working efficiency of the detection device is reduced, and the working range of the detection device is also reduced; the crack detection to the bridge bottom surface need take ladder or shelf at present to go to detect, wastes time and energy still inaccurate, still goes out accident such as tumble easily. Therefore, one skilled in the art provides a bridge bottom crack detection device to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems provided in the background art, the application provides a bridge bottom crack detection device.
The application provides a bridge bottom surface crack detection device adopts following technical scheme:
the utility model provides a bridge bottom surface crack detection device, includes the dolly, dolly sliding connection is on the bridge, the dolly bottom is equipped with the connecting plate, rotate the connection pivot in the middle of the connecting plate, connect the perpendicular rigid coupling connecting rod of pivot upper end outer wall, the connecting rod stretches out end coaxial line rigid coupling threaded rod, the threaded rod outer wall runs through and rotates the connection swivel nut, the swivel nut upper end is equipped with the crack detector.
Through adopting above-mentioned technical scheme, the dolly removes along the bridge lateral wall, and the starter motor for the motor drives the pivot rotation, because of the setting of bearing, make the pivot rotatory more smooth steady, thereby make the crack detection appearance more stable of shooing, the pivot is rotatory, thereby make the connecting rod rotatory, make crack detection appearance on the swivel nut shoot around the rotatory round of pivot, and because the rotating electrical machines in the connecting rod drives the threaded rod rotation, so make the swivel nut synchronous rotation.
Preferably, the side wall of the trolley is fixedly connected with a connecting plate, the extending end of the connecting plate is fixedly connected with one end of a vertical telescopic rod vertically, the other end of the vertical telescopic rod is fixedly connected with one end of a transverse telescopic rod vertically, the other end of the transverse telescopic rod is fixedly connected with the connecting plate, and the connecting plates on two sides of the transverse telescopic rod are symmetrically and fixedly connected with connecting arms.
Through adopting above-mentioned technical scheme, drive power moves vertical telescopic link to the bridge lower extreme down, drives horizontal telescopic link again and removes and makes horizontal telescopic link drive the connecting plate and remove to needs detection position.
Preferably, the pivot bottom is rotatory by motor drive, pivot and connecting plate contact position are equipped with the bearing, threaded rod outer wall bilateral symmetry coaxial line rigid coupling dog, the equal rigid coupling of dog bottom face is vertical pole setting, pole setting bottom face rotates and connects the ball, this ball sliding connection spout inner wall, the spout is the circular arc groove that runs through the connecting plate up end, the dog lateral wall rigid coupling guide bar both ends respectively, the guide bar runs through the swivel nut and rotates inside it.
By adopting the technical scheme, the crack detector is driven by the screw sleeve to reciprocate leftwards and rightwards along the threaded rod under the limiting action of the guide rod, the motor is started to drive the rotating shaft to rotate, the rotating shaft rotates more smoothly and stably due to the arrangement of the bearing, so that the crack detector can photograph more stably, the rotating shaft rotates, the connecting rod rotates, the crack detector on the screw sleeve rotates around the rotating shaft for one circle to photograph, the screw sleeve rotates synchronously due to the rotation of the threaded rod driven by the rotating motor in the connecting rod, but the crack detector is driven by the screw sleeve to reciprocate leftwards and rightwards along the threaded rod under the limiting action of the guide rod, and the two motions are combined, so that the crack detector finally performs scattered spiral line motion by taking the connecting rod as a circle center to photograph all places of the bridge without any error and leakage, and the setting of pole setting and spout can effectively support the crack detector, avoids the end atress that stretches out of threaded rod too big to lead to smooth silk or damage, and the setting of dog has also effectively avoided the damage crack detector that the slippage leads to.
Preferably, the crack detector is connected to the I-shaped cylindrical block by a fixing clamp, the cylindrical block is slidably connected to a groove correspondingly penetrating through the upper end face of the screw sleeve, a magnet piece is fixedly connected to the inner wall of the groove, and a magnet piece which is repellent to the inner wall of the groove is fixedly connected to the bottom end face of the cylindrical block.
Through adopting above-mentioned technical scheme, in order to guarantee the stability of crack detection appearance, the magnet piece that sets up in the recess that the cylinder piece that crack detection appearance bottom and swivel nut up end correspond run through has repulsive effort mutually, can be in vibrations by a wide margin for crack detection appearance and swivel nut remain the certain distance all the time under repulsive effort, cushion, avoid the rigidity striking.
To sum up, the application comprises the following beneficial technical effects:
when the device is used, the trolley moves along the side wall of the bridge, the power supply is driven to move the vertical telescopic rod downwards to the lower end of the bridge, then the horizontal telescopic rod is driven to move to drive the connecting plate to move to a position to be detected, the motor is started to drive the rotating shaft to rotate, the rotating shaft is more smooth and stable due to the arrangement of the bearing, so that the crack detector can take a picture more stably, the rotating shaft rotates, the connecting rod rotates, the crack detector on the screw sleeve rotates around the rotating shaft for one circle to take a picture, the screw sleeve synchronously rotates due to the fact that the rotating motor in the connecting rod drives the threaded rod to rotate, but is limited by the guide rod, so that the screw sleeve drives the crack detector to reciprocate leftwards and rightwards along the threaded rod, and then the two motions are combined, so that the crack detector finally takes the connecting rod as the circle center to perform outward spiral line path motion, the detection method has the advantages that the detection method does not have misplacement and manual work, and the detection method is very delicate in detection and does not have omission, so that the stability of the crack detector is ensured, the cylindrical block at the bottom of the crack detector and the magnet piece arranged in the groove correspondingly penetrating through the upper end surface of the screw sleeve have repulsive acting force, the crack detector and the screw sleeve can keep a certain distance under the repulsive acting force all the time in the case of large vibration, and the buffer is used for avoiding rigid impact.
Drawings
FIG. 1 is a schematic structural diagram of a bridge bottom crack detection device in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a bridge bottom crack detection device in an embodiment of the present application.
FIG. 3 is a perspective view of the structure on the connection plate in the embodiment of the present application;
FIG. 4 is a cross-sectional view of a connection of a thread insert crack detector in the embodiment of the present application.
Description of reference numerals: 1. a trolley; 2. a connecting plate; 3. a rotating shaft; 4. a connecting rod; 5. a threaded rod; 6. a threaded sleeve; 7. a crack detector; 11. a connecting plate; 13. a vertical telescopic rod; 15. a transverse telescopic rod; 16. a connecting arm; 17. a bearing; 18. a stopper; 19. erecting a rod; 20. a chute; 21. a guide rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses bridge bottom surface crack detection device. Referring to fig. 1-4, a bridge bottom crack detection device comprises a trolley 1, the trolley 1 is slidably connected to a bridge, the trolley 1 moves along the side wall of the bridge, a connecting plate 2 is arranged at the bottom end of the trolley 1, a rotating shaft 3 is rotatably connected to the middle of the connecting plate 2, a motor is started to drive the rotating shaft 3 to rotate, the rotating shaft 3 rotates smoothly and stably due to the arrangement of a bearing 17, so that a crack detector 7 can take a picture more stably, the rotating shaft 3 rotates, a connecting rod 4 is vertically and fixedly connected to the outer wall of the upper end of the rotating shaft 3, a rotating motor is arranged inside the connecting rod 4, the extending end of the rotating motor drives a threaded rod 5 to rotate, the outer wall of the threaded rod 5 penetrates through and rotatably connects with a threaded sleeve 6, so that the crack detector 7 on the threaded sleeve 6 rotates around the rotating shaft 3 for taking a picture, and the threaded rod 5 is driven to rotate by the rotating motor in the connecting rod 4, the event makes swivel nut 6 synchronous rotation, and 6 upper ends of swivel nut are equipped with crack detection appearance 7, and crack detection appearance 7 adopts image automatic identification and width intelligent computation technique, to having the crack region to shoot and upload the instrument of automatic identification calculation, and this is not giving unnecessary details for prior art, and two movements combine together for crack detection appearance 7 finally uses connecting rod 4 to carry out the spiral route motion of scattering outward as the centre of a circle, shoots each place of bridge, can not have any mistake and leak.
The side wall of the trolley 1 is fixedly connected with a connecting plate 11, a power supply is driven, the vertical telescopic rod 13 is moved downwards to the lower end of the bridge, the connecting plate 11 stretches out one end of the vertical telescopic rod 13 which is fixedly connected vertically, the other end of the vertical telescopic rod 13 is fixedly connected with one end of a transverse telescopic rod 15, the transverse telescopic rod 15 is driven to move to enable the transverse telescopic rod 15 to drive the connecting plate 2 to move to a position needing to be detected, the other end of the transverse telescopic rod 15 is fixedly connected with the connecting plate 2, and the connecting plates 2 on two sides of the transverse telescopic rod 15 are symmetrically and fixedly connected with a connecting arm 16.
The bottom end of the rotating shaft 3 is driven to rotate by a motor, a bearing 17 is arranged at the contact position of the rotating shaft 3 and the connecting plate 2, the rotating shaft 3 is enabled to rotate more smoothly and stably due to the arrangement of the bearing 17, the crack detector 7 is effectively prevented from being damaged due to slipping due to the arrangement of the stopper 18 and the stopper 18 which are symmetrically and coaxially connected with the two sides of the outer wall of the threaded rod 5, the vertical upright rod 19 is fixedly connected to the bottom end face of the stopper 18, the crack detector 7 can be effectively supported due to the arrangement of the upright rod 19 and the chute 20, the problem that the sliding wire is damaged or slipped due to overlarge stress at the extending end of the threaded rod 5 is avoided, the bottom end face of the upright rod 19 is rotatably connected with a ball, the ball is slidably connected to the inner wall of the chute 20, the chute 20 is an arc groove penetrating through the upper end face of the connecting plate 2, the side walls of the stopper 18 are respectively fixedly connected with the two ends of the guide rod 21 and are limited by the guide rod 21, so that the crack detector 7 is driven by the screw sleeve 6 to reciprocate left and right along the threaded rod 5, the guide rod 21 passes through the screw boss 6 and rotates inside thereof.
The implementation principle of the bridge bottom crack detection device in the embodiment of the application is as follows: when the device is used, the trolley 1 moves along the side wall of the bridge, the power supply is driven, the vertical telescopic rod 13 is moved downwards to the lower end of the bridge, the transverse telescopic rod 15 is driven to move, the transverse telescopic rod 15 drives the connecting plate 2 to move to a position to be detected, the motor is started to drive the rotating shaft 3 to rotate, the rotating shaft 3 rotates smoothly and stably due to the arrangement of the bearing 17, the crack detector 7 on the screw sleeve 6 rotates around the rotating shaft 3 to take a picture, the screw sleeve 6 synchronously rotates due to the fact that the rotating motor in the connecting rod 4 drives the threaded rod 5 to rotate, and the limiting effect of the guide rod 21 is exerted, the screw sleeve 6 drives the crack detector 7 to reciprocate leftwards and rightwards along the threaded rod 5, and then the two motions are combined, so that the crack detector 7 finally takes the connecting rod 4 as a circle center to perform scattered spiral path motion to photograph all places of the bridge without any error and leakage, the arrangement of the upright rod 19 and the chute 20 can effectively support the crack detector 7 to prevent the extension end of the threaded rod 5 from being stressed too much to cause sliding or damage, the arrangement of the stop block 18 also effectively prevents the crack detector 7 from being damaged due to slippage, after photographing is completed, the transverse telescopic rod 15 is driven to continue to detect the bridge part on the left side, after transverse detection is completed, the trolley 1 is driven to vertically move to continue detection, the detection method has no error and falling, no manual work is needed, and the detection is very simple and effective without omission, in order to ensure the stability of the crack detector 7, the cylindrical block at the bottom of the crack detector 7 and the magnet piece arranged in the corresponding through groove at the upper end surface of the screw sleeve 6 have repulsive acting force, can be in vibrations by a wide margin for crack detection appearance 7 and swivel nut 6 keep the certain distance all the time under the effort of repulsion, cushion, avoid the rigidity striking.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. The utility model provides a bridge bottom surface crack detection device, includes dolly (1), its characterized in that: dolly (1) sliding connection is on the bridge, dolly (1) bottom is equipped with the connecting plate, rotate in the middle of the connecting plate and connect pivot (3), connect pivot (3) upper end outer wall perpendicular rigid coupling connecting rod (4), connecting rod (4) inside is equipped with the rotating electrical machines, and this rotating electrical machines stretches out end drive threaded rod (5) rotatory, threaded rod (5) outer wall runs through and rotates and connect swivel nut (6), swivel nut (6) upper end is equipped with crack detection appearance (7).
2. The bridge bottom crack detection device of claim 1, wherein: the trolley is characterized in that a connecting plate (11) is fixedly connected to the side wall of the trolley (1), the extending end of the connecting plate (11) is fixedly connected with one end of a vertical telescopic rod (13) vertically, the other end of the vertical telescopic rod (13) is fixedly connected with one end of a transverse telescopic rod (15) vertically, the other end of the transverse telescopic rod (15) is fixedly connected with a connecting plate, and connecting arms (16) are symmetrically and fixedly connected to the connecting plates on two sides of the transverse telescopic rod (15).
3. The bridge bottom crack detection device of claim 2, wherein: the utility model discloses a screw rod, including threaded rod (5), dog (18), upright pole setting (19) of equal rigid coupling of dog (18) bottom end face, pivot (3) and connecting plate contact position are equipped with bearing (17), threaded rod (5) outer wall bilateral symmetry coaxial line sliding connection dog (18), pole setting (19) are all fixed connected vertically to pole setting (18) bottom end face, pole setting (19) bottom end face is rotated and is connected the ball, this ball sliding connection spout (20) inner wall, spout (20) are the circular arc groove that runs through the connecting plate up end, dog (18) lateral wall rigid coupling guide bar (21) both ends respectively, guide bar (21) run through swivel nut (6) and rotate inside it.
4. The bridge bottom crack detection device of claim 1, wherein: the crack detector (7) is connected to the I-shaped cylindrical block through a fixing clamp, the cylindrical block is connected to the corresponding penetrating groove in the upper end face of the threaded sleeve (6) in a sliding mode, the inner wall of the groove is fixedly connected with a magnet piece, and the bottom end face of the cylindrical block is fixedly connected with a magnet piece repellent to the inner wall of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973843.1U CN215493246U (en) | 2021-08-20 | 2021-08-20 | Bridge bottom surface crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973843.1U CN215493246U (en) | 2021-08-20 | 2021-08-20 | Bridge bottom surface crack detection device |
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| Publication Number | Publication Date |
|---|---|
| CN215493246U true CN215493246U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121973843.1U Active CN215493246U (en) | 2021-08-20 | 2021-08-20 | Bridge bottom surface crack detection device |
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|---|---|
| CN (1) | CN215493246U (en) |
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2021
- 2021-08-20 CN CN202121973843.1U patent/CN215493246U/en active Active
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