CN210002222U - Pavement crack monitoring device - Google Patents
Pavement crack monitoring device Download PDFInfo
- Publication number
- CN210002222U CN210002222U CN201920728787.1U CN201920728787U CN210002222U CN 210002222 U CN210002222 U CN 210002222U CN 201920728787 U CN201920728787 U CN 201920728787U CN 210002222 U CN210002222 U CN 210002222U
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- China
- Prior art keywords
- fixing rod
- tape measure
- dead lever
- crack
- strip
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a road surface crack monitoring devices, including dead lever, second dead lever and tape measure strip, dead lever fixed connection is in crack side, second dead lever fixed connection is in the crack side in addition, dead lever rotates and is connected with the tape measure body, the tape measure strip is around connecing in the cavity of tape measure body, the end that stretches out of tape measure strip rotates with the second dead lever to be connected through adopting above-mentioned technical scheme, through setting up dead lever and second dead lever, be favorable to installing the tape measure strip in the crack top, so that measure fissured gap width, through rotating tape measure body and tape measure strip respectively and connecting in dead lever and second dead lever, when crack both sides ground slope, the tape measure strip still can keep straight state, be favorable to reducing the tape measure strip and bend because of ground slope, so that the condition of not so that the crack distance is measured, make measuring operation more convenient, the monitoring contrast is more directly perceived and the monitoring position is fixed.
Description
Technical Field
The utility model belongs to the technical field of the crack monitoring technique and specifically relates to a kinds of road surface crack monitoring devices are related to.
Background
After an earthquake, most of road surfaces have obvious cracks, and the cracks continue to crack at the same time, the ground on the two sides of the cracks even can be settled, inclined or misplaced, and then the cracks of the cracks are enlarged, so that potential safety hazards exist, and the road surface cracks need to be monitored in order to improve safety protection.
At present, the most traditional road surface gap monitoring method is to measure the cracks of the road surface in real time by using a vernier caliper and then record the measured data on the vernier caliper to compare the speed of the cracks of the road surface, however, the cracks are not intuitive and difficult to accurately display by only using the data measured by the vernier caliper, the frequent carrying of tools is inconvenient because the monitoring is required for a long time, and meanwhile, the position of each measured crack cannot reach the full , so that the measurement has a large measurement error.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide kinds of road surface crack monitoring devices, have observe the contrast directly perceived, monitor rigidity and measure convenient advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
road surface crack monitoring device comprises a fixing rod, a second fixing rod and a tape measure strip, wherein the fixing rod and the second fixing rod are respectively and fixedly connected to two sides of a crack, the fixing rod is rotatably connected with the tape measure body, the tape measure strip is wound in a cavity of the tape measure body, an extending end of the tape measure strip is rotatably connected with the second fixing rod, and rotating axes of the tape measure body and the extending end of the tape measure strip are parallel to the ground.
By adopting the technical scheme, when a road crack needs to be monitored, the th fixing rod and the second fixing rod are respectively fixedly connected to two sides of the crack, the th fixing rod and the second fixing rod are perpendicular to the ground, at the moment, the tape measure body is rotatably connected to the th fixing rod, the tape measure strip extends out of the tape measure body, the extending end of the tape measure strip is rotatably connected to the second fixing rod, the rotating axes of the extending ends of the tape measure body and the tape measure strip are parallel to the ground, the tape measure strip is in a tightening state under the action of a spring, meanwhile, the tape measure body and the tape measure strip are both arranged on the same side of the th fixing rod and the second fixing rod, the tape measure strip is convenient to be installed above the crack by arranging the th fixing rod and the second fixing rod, so that the crack gap width can be conveniently measured, the tape measure strip can be still kept in a breaking state by rotatably connecting the th fixing rod and the second fixing rod to the ground respectively, when the ground cracks are continuously cracked on two sides of the crack, the first th fixing rod and the second fixing rod are inclined to the crack direction, so that the crack can be conveniently monitored, the crack position can be more intuitively monitored, the crack can be more accurately, the crack can be more conveniently, the crack can be measured, the crack can be more visually, the crack can be more.
The utility model discloses advance step and set up as dead lever with the sleeve has all been cup jointed to the second dead lever, the tape measure body rotate connect in the sleeve of dead lever, the tape measure strip rotate connect in the sleeve of second dead lever, two install the extension spring between the sleeve.
By adopting the technical scheme, the tension spring between the two sleeves is in a stretching state, the tension force of the tension spring does not influence the state that the th fixing rod and the second fixing rod are perpendicular to the ground, meanwhile, the component force generated by the tension spring in the length direction of the th fixing rod is larger than the sum of the gravity of the sleeves and the friction force of the sleeves and the th fixing rod, the relation between the tension spring and the sleeves on the second fixing rod and the second fixing rod is the same, when the ground on the crack side is settled, the heights of the two sleeves are not , the sleeves with relatively lower heights are driven to slide upwards in the length direction of the th fixing rod or the second fixing rod under the tension force of the tension spring, so that the two sleeves are in the same height, and therefore, the situation that the tape measure of the skew of the tape measure strip caused by the ground settlement is facilitated, and the crack width.
The utility model discloses step sets up to the sleeve inner peripheral surface is provided with the ball.
Through adopting above-mentioned technical scheme, through set up the ball at the sleeve inner peripheral surface, ball and dead lever and second dead lever contact are favorable to reducing the sleeve and dead lever or the second dead lever slip in-process produced frictional force for the sleeve is more smooth and easy with dead lever or second dead lever relative slip.
The utility model discloses advance step and set up to the dead lever with the outer peripheral face of second dead lever all is provided with the step, two the height of step causes, the sleeve with the step butt.
Through adopting above-mentioned technical scheme, when the road surface relative level of crack both sides, through setting up the step, the diameter of step is greater than the diameter of dead lever and second fixed lever, supports the sleeve through the step, is favorable to two sleeves to keep in with height, and then makes the tape measure strip be in the horizontality, is favorable to improving the degree of accuracy that the tape measure road surface crack gap.
The utility model discloses advance step and set up to the dead lever with the below of second dead lever all rotates and is connected with the connecting rod, the end and the dead lever or the second dead lever of connecting rod rotate and are connected, end fixedly connected with gravity ball in addition of connecting rod.
Through adopting above-mentioned technical scheme, when the road surface slope of crack both sides, gravity ball on dead lever and the second dead lever is because of self gravity, make the connecting rod be in vertical direction all the time, make form the inclination that decides between connecting rod and dead lever or the second dead lever, through measuring the inclination that forms between connecting rod and dead lever or the second dead lever, and then calculate the inclination on road surface and the cracked gap in road surface, therefore, through setting up connecting rod and gravity ball, be favorable to observing the slope condition on road surface directly perceivedly, make the operation more convenient.
The utility model discloses advance step and set up to the equal fixedly connected with circular bevel protractor in the below of dead lever with the second dead lever, the scale plane of bevel protractor with the swing plane of gravity ball is parallel.
Through adopting above-mentioned technical scheme, end body coupling that the gravity ball was kept away from to the connecting rod has the connecting block, the connecting block rotates with dead lever and second dead lever respectively and is connected, and simultaneously, the centre of a circle collineation of connecting block pivot and circular angle chi, and "0" scale of circular angle chi is down, and the position of "0" scale aligns with the axis of dead lever or second dead lever, when the road surface slope of crack both sides, gravity ball on dead lever and the second dead lever is because of self gravity, make the connecting rod be in vertical direction all the time, make to form definite inclination between connecting rod and the dead lever or the second dead lever, measure the inclination between connecting rod and dead lever or the second dead lever through circular angle chi, therefore, through setting up circular angle chi, so that measure the inclination between connecting rod and dead lever or the second dead lever, and then make the operation more simple and convenient and intuitive.
The utility model discloses step sets up to, the sleeve lower extreme facial features of second dead lever is installed annular bevel protractor, annular bevel protractor with the second dead lever cup joints.
By adopting the technical scheme, the annular angle ruler is an annular cylinder, the scale plane of the annular angle ruler is upward along the length direction of the second fixing rod, so that the axis of the annular angle ruler is coaxial with the axis of the second fixing rod, the upper end face of the annular angle ruler is flush with the upper end face of the step, in an initial state, the angle value of the projection of the tension spring on the annular angle ruler is recorded, when the pavements on two sides of the crack are mutually staggered, the relative positions of the -th fixing rod and the second fixing rod on two sides of the crack are in a staggered state, the staggered condition of the -th fixing rod and the second fixing rod is obtained by observing the angle change of the projection of the tension spring on the annular angle ruler, and further the staggered distance of the pavements on two sides of the crack is obtained, therefore, the annular angle ruler is arranged on the lower end face of the sleeve, the condition of the pavement.
The utility model discloses advance step and set up as the up end of dead lever is connected with the joint piece, the up end of second dead lever is connected with the joint head, the joint head with joint piece joint.
In addition, when the pavement crack monitoring device is not used, the clamping head is clamped on the clamping block, so that the tension spring is in a natural state, and meanwhile, the tape measure strip is contracted in the tape measure body, the service lives of the tension spring and the tape measure strip are further prolonged, and meanwhile, the fixing rod and the second fixing rod are convenient to arrange and accommodate when the tape measure strip is not used.
The utility model discloses step sets up to the lower terminal surface of dead lever with the second dead lever all installs the inflation screw, inflation screw fixed connection is in ground.
By adopting the technical scheme, the expansion screws are arranged on the lower end faces of the th fixing rod and the second fixing rod, so that the th fixing rod and the second fixing rod can be fixedly connected to a road surface conveniently, the upper end faces of the expansion screws are provided with external threads, the lower end faces of the th fixing rod and the second fixing rod are provided with counter bores, the inner peripheral surfaces of the counter bores are provided with internal threads, so that the th fixing rod and the second fixing rod are in threaded connection with the expansion screws, and meanwhile, the th fixing rod and the second fixing rod can be detached from the expansion screws conveniently, so that the expansion screws can be used repeatedly, and the convenience in use of.
To sum up, the utility model discloses following beneficial effect has:
1. the tape measure body and the tape measure strip are respectively connected with the fixing rod and the second fixing rod in a rotating mode, so that the tape measure strip can keep a straight state, the bending and even breaking of the tape measure strip due to the inclination of the ground are reduced, the crack width of the crack cannot be measured conveniently and visually, and meanwhile, the monitoring position is relatively fixed;
2. the ball bearings are arranged on the inner circumferential surface of the sleeve, so that the friction force generated in the sliding process of the sleeve and the th fixed rod or the second fixed rod is reduced, and the sleeve and the th fixed rod or the second fixed rod can slide more smoothly relatively;
3. the inclination angle between the connecting rod and the -th fixed rod or the second fixed rod can be conveniently measured by arranging the round angle ruler, so that the operation is simpler, more convenient and more intuitive;
4. the annular angle ruler is arranged on the lower end face of the sleeve, so that the condition that the road surfaces on two sides of the crack are staggered can be visually observed and recorded, and the operation is more convenient.
Drawings
FIG. 1 is a structural overall view of the present embodiment;
FIG. 2 is an exploded view of the present embodiment;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
The reference numbers of the fixing rods are 1, , 2, 3, a measuring tape strip, 4, a measuring tape body, 5, a sleeve, 6, a tension spring, 7, a ball, 8, a step, 9, a connecting rod, 10, a gravity ball, 11, a round angle ruler, 12, a clamping block, 13, a clamping joint, 14, an expansion screw, 15, a hook ring, 16, a draw hook, 17, a fixing block, 18, a connecting block, 19, a fixing rod, 20 and an annular angle ruler.
Detailed Description
The present invention will be described in further detail in with reference to the accompanying drawings and examples.
As shown in figures 1 to 2, road surface crack monitoring devices comprise a fixing rod 1, a second fixing rod 2 and a tape strip 3, wherein expansion screws 14 are mounted on the lower end faces of the fixing rod 1 and the second fixing rod 2, the fixing rod 1 and the second fixing rod 2 are fixedly connected to two sides of a crack through the expansion screws 14, a step 8 is connected to the outer circumferential face of the fixing rod 1 in a body mode, a step 8 is connected to the outer circumferential face of the second fixing rod 2 in a body mode, the step 8 of the fixing rod 1 is flush with the step 8 of the second fixing rod 2 in height, sleeves 5 are sleeved on the outer circumferential faces of the fixing rod 1 and the second fixing rod 2, and the lower end face of each sleeve 5 is abutted to the upper end face of.
The inner circumferential surface of the sleeve 5 is rotatably connected with a ball 7 (as shown in fig. 3), the ball 7 is abutted against the outer circumferential surface of the th fixing rod 1 or the second fixing rod 2, the outer circumferential surface of the sleeve 5 is fixedly connected with a shackle 15, a tension spring 6 is arranged between the sleeve 5 of the th fixing rod 1 and the sleeve 5 of the second fixing rod 2, two ends of the tension spring 6 are connected with drag hooks 16 in a body mode, and the drag hooks 16 are connected with the shackle 15.
The tension spring 6 between the two sleeves 5 is in a stretching state, the tension of the tension spring 6 does not influence the th fixing rod 1 and the second fixing rod 2 in a state perpendicular to the ground, meanwhile, the component force generated by the tension spring 6 along the length direction of the th fixing rod 1 is larger than the sum of the gravity of the sleeves 5 and the friction force of the sleeves 5 and the th fixing rod 1, and the relationship between the tension spring 6 and the sleeves 2 and 5 on the second fixing rod 2 and the second fixing rod 2 is the same as above.
The sleeve 5 of the th fixing rod 1 is rotatably connected with a tape measure body 4, a tape measure strip 3 is wound in the tape measure body 4, the extending end of the tape measure strip 3 is fixedly connected with a fixing block 17, the fixing block 17 is rotatably connected with the sleeve 5 of the second fixing rod 2, the tape measure strip 3 is in a tightening state under the action of a spring, so that the extending plane of the tape measure strip 3 is kept in a straight state, the rotating axis of the tape measure body 4 relative to the th fixing rod 1 is parallel to the ground, the rotating axis of the fixing block 17 relative to the second fixing rod 2 is parallel to the ground, the tape measure body 4 and the tape measure strip 3 are both arranged on the same sides of the th fixing rod 1 and the second fixing rod 2, meanwhile, the tape measure strip 3 extending from the tape measure body 4 is provided with an upward carved plane, and the length direction of the tape measure strip 3 is consistent with the.
The below cover of second dead lever 2 is fixed with annular angle chi 20, annular angle chi 20 is the annular cylinder of well expert, the up end of annular angle chi 20 and the lower terminal surface butt of sleeve 5, the axis of annular angle chi 20 is coaxial with the axis of second dead lever 2, annular angle chi 20's measurement range is 0 degree to 360 degrees simultaneously, the up end of annular angle chi 20 and the 8 up end parallel and level of step of second dead lever 2, annular angle chi 20's scale plane up, simultaneously at initial position, "0" scale of annular scale 20 of terminal surface aligns with the length direction of extension spring 6 under the sleeve 5.
The connecting block 18 is rotatably connected below the sleeve 5 of the th fixing rod 1, the connecting block 18 is a cylinder, the axis direction of the connecting block 18 is parallel to the ground, the end of the connecting block 18 is rotatably connected with the 0 th fixing rod 1, the middle of the connecting block 18 is connected with the connecting rod 9 in a body mode, the connecting rod 9 is a cylinder made of hard materials, the end of the connecting rod 9 is connected with the middle of the connecting block 18 in a body mode, the other end of the connecting rod 9 is fixedly connected with the gravity ball 10, the th fixing rod 1 is fixedly connected with the fixing rod 19, the end of the fixing rod 19 is fixedly connected with the th fixing rod 1, the other end of the fixing rod 19 is.
The axial direction of the fixed rod 19 is aligned with the length direction of the rotating shaft of the connecting block 18, the length direction of the rotating shaft of the fixed rod 19 is perpendicular to the length direction of the rotating shaft of the fixed rod 1 or the second fixed rod 2, the swinging plane of the gravity ball 10 is perpendicular to the monitored crack, the scale plane of the circular angle ruler 11 is aligned with the swinging plane of the gravity ball 10, and meanwhile, the '0' scale of the circular angle ruler 11 faces downwards and is aligned with the length direction of the fixed rod 1 or the second fixed rod 2.
fixed link 1's up end fixedly connected with joint piece 12, the up end fixedly connected with joint 13 of second dead lever 2, joint 13 and joint piece 12 joint.
The working conditions and principles of the embodiment are as follows:
when the pavement crack needs to be monitored, expansion screws 14 are respectively and fixedly installed on two sides of the crack, so that the expansion screws 14 are perpendicular to the ground, then the clamping joint 13 is detached from the clamping block 12, the fixing rod 1 is separated from the second fixing rod 2, then the fixing rod 1 and the second fixing rod 2 are respectively installed on the two expansion screws 14 on the two sides of the crack, and the fixing rod 1 and the second fixing rod 2 are perpendicular to the ground.
The hook rings 15 on the two sleeves 5 of the fixed rod 1 and the second fixed rod 2 are detachably connected through the draw hooks 16 at the two ends of the tension spring 6, so that the tension spring 6 is positioned between the two sleeves 5, and the tension spring 6 is in a stretching state, and the tension of the tension spring 6 does not influence the state that the fixed rod 1 and the second fixed rod 2 are perpendicular to the ground at .
Then, whether the scale plane of the tape strip 3 faces upwards is observed, the tape strip 3 is in a straight state, the scale plane of the tape strip 3 faces upwards, then the scale value of the tape strip 3 is recorded, the scale value of the tape strip 3 is compared, and then the cracking condition of the road surface crack is judged.
Next, the positions of the two sleeves 5 on the th fixing rod 1 and the second fixing rod 2 are observed and recorded to compare the moving directions of the sleeves 5 on the th fixing rod 1 or the second fixing rod 2, so as to judge the settlement conditions of the road surfaces on two sides of the crack.
And then, observing an angle formed between the 0 scale position of the annular angle ruler 20 and the tension spring 6, enabling the tension spring 6 to be superposed with the 0 scale position of the annular angle ruler 20, recording, comparing angles formed by the 0 scale positions of the tension spring 6 and the annular angle ruler 20, and further judging the dislocation condition of the road surfaces on two sides of the crack.
Next, the '0' scale of the circular angle ruler 11 below the th fixing rod 1 and the second fixing rod 2 is adjusted to be located below the circular angle ruler 11, the '0' scale of the circular angle ruler 11 is aligned with the th fixing rod 1 or the second fixing rod 2, then the circular angle ruler 11 installed below the th fixing rod 1 and the second fixing rod 2 is observed, the angle formed between the connecting rod 9 and the th fixing rod 1 or the second fixing rod 2 is measured, then the numerical values of the two circular angle rulers 11 are recorded, the angle formed by the connecting rod 9 and the th fixing rod 1 or the second fixing rod 2 after comparison is carried out, and then the inclination conditions of the road surfaces on two sides of the crack are judged, so that the cracking degree of the crack is calculated.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
- The road surface crack monitoring device is characterized by comprising a -th fixing rod (1), a second fixing rod (2) and a tape measure strip (3), wherein the -th fixing rod (1) and the second fixing rod (2) are fixedly connected to two sides of a crack respectively, the -th fixing rod (1) is rotatably connected with the tape measure body (4), the tape measure strip (3) is wound in a cavity of the tape measure body (4), an extending end of the tape measure strip (3) is rotatably connected with the second fixing rod (2), and rotating axes of the extending ends of the tape measure body (4) and the tape measure strip (3) are parallel to the ground.
- 2. The pavement crack monitoring device according to claim 1, wherein sleeves (5) are sleeved on the th fixing rod (1) and the second fixing rod (2), the tape measure body (4) is rotatably connected with the sleeves (5) of the th fixing rod (1), the tape measure strip (3) is rotatably connected with the sleeves (5) of the second fixing rod (2), and a tension spring (6) is arranged between the two sleeves (5).
- 3. The pavement crack monitoring device of claim 2, wherein: the inner circumferential surface of the sleeve (5) is provided with balls (7).
- 4. The pavement crack monitoring device according to claim 2, wherein steps (8) are arranged on the outer peripheral surfaces of the th fixing rod (1) and the second fixing rod (2), the heights of the two steps (8) are consistent, and the sleeve (5) is abutted against the steps (8).
- 5. The pavement crack monitoring device according to claim 1, wherein a connecting rod (9) is rotatably connected below the th fixing rod (1) and the second fixing rod (2), the end of the connecting rod (9) is rotatably connected with the th fixing rod (1) or the second fixing rod (2), and the other end of the connecting rod (9) is fixedly connected with a gravity ball (10).
- 6. The pavement crack monitoring device according to claim 5, wherein a round angle ruler (11) is fixedly connected below each of the th fixing rod (1) and the second fixing rod (2), and a scale plane of the angle ruler is parallel to a swinging plane of the gravity ball (10).
- 7. The pavement crack monitoring device of claim 1, wherein: an annular angle ruler (20) is installed on the lower end face of the sleeve (5) of the second fixing rod (2), and the annular angle ruler (20) is sleeved with the second fixing rod (2).
- 8. The pavement crack monitoring device according to claim 1, wherein a clamping block (12) is connected to the upper end surface of the th fixing rod (1), a clamping head (13) is connected to the upper end surface of the second fixing rod (2), and the clamping head (13) is clamped with the clamping block (12).
- 9. The pavement crack monitoring device as claimed in claim 1, wherein expansion screws (14) are mounted on the lower end surfaces of the th fixing rod (1) and the second fixing rod (2), and the expansion screws (14) are fixedly connected to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728787.1U CN210002222U (en) | 2019-05-18 | 2019-05-18 | Pavement crack monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728787.1U CN210002222U (en) | 2019-05-18 | 2019-05-18 | Pavement crack monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210002222U true CN210002222U (en) | 2020-01-31 |
Family
ID=69307413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728787.1U Expired - Fee Related CN210002222U (en) | 2019-05-18 | 2019-05-18 | Pavement crack monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210002222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483616A (en) * | 2021-07-06 | 2021-10-08 | 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） | Portable rapid assembling and disassembling accurate monitor for surface cracks |
-
2019
- 2019-05-18 CN CN201920728787.1U patent/CN210002222U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483616A (en) * | 2021-07-06 | 2021-10-08 | 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） | Portable rapid assembling and disassembling accurate monitor for surface cracks |
| CN113483616B (en) * | 2021-07-06 | 2023-03-14 | 重庆市地质矿产勘查开发局208水文地质工程地质队（重庆市地质灾害防治工程勘查设计院） | Portable rapid assembling and disassembling accurate monitor for surface cracks |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 |