CN214095920U - Bridge deck pavement crack detection device convenient to angle regulation - Google Patents
Bridge deck pavement crack detection device convenient to angle regulation Download PDFInfo
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- CN214095920U CN214095920U CN202120402427.XU CN202120402427U CN214095920U CN 214095920 U CN214095920 U CN 214095920U CN 202120402427 U CN202120402427 U CN 202120402427U CN 214095920 U CN214095920 U CN 214095920U
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- helical gear
- gear
- main part
- belt pulley
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a bridge deck pavement uses crack detection device convenient to angle regulation, including main part, lead screw, lower horizontal helical gear and big belt pulley, install adjusting gear in the middle of the main part below, the lead screw is installed in the inside left and right sides of main part, horizontal helical gear fixed mounting is on the telescopic link top down, horizontal helical gear is installed to lower horizontal helical gear top, the big belt pulley is installed in the horizontal helical gear outside of initiative, the main part top is provided with splint. This bridge deck pavement crack detection device convenient to angle regulation adopts neotype structural design for the laser head angle of main part below installation can be adjusted through adjusting gear's rotation, makes the distance of laser irradiation change, thereby the scope that adjusting device detected, and can drive the tire through the inside lead screw rotation of main part and reciprocate in the outside of main part, thereby change the height of tire, in order to adapt to different bridge floor environment.
Description
Technical Field
The utility model relates to a bridge deck pavement technical field specifically is a bridge deck pavement uses crack detection device convenient to angle regulation.
Background
Need mat formation on the bridge floor when building the bridge, make the bridge floor whole smooth, because the reason of technique when mating formation, a lot of cracks that big littleer can appear in the bridge floor, most bridge floors appear collapsing all because the crack causes, so need detect bridge floor fissured quantity and crack size when the bridge floor is checked and accepted, in time repair the crack that probably causes danger, crack detection can utilize sharp laser irradiation bridge floor, and the deformation of record laser, can judge fissured width and degree of depth according to the deformation size of laser.
With the continuous use of crack detection devices, the following problems are found during the use process:
1. generally, the laser of the detection device can only be irradiated from one angle, so that the detection range cannot be changed, and the applicability of the device is poor;
2. the tire height of a general detection device is fixed, and the detection device can not be used when facing different road surfaces, so that certain trouble is brought to detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge deck pavement uses crack detection device convenient to angle regulation to propose the inconvenient problem of adjusting of angle, the unable regulation of tire height in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a bridge deck pavement crack detection device convenient for angle adjustment comprises a main body, a screw rod, a lower transverse helical gear and a big belt pulley, wherein an adjusting gear is installed in the middle of the lower portion of the main body, a laser head is arranged on the lower surface of the adjusting gear, a rack is installed above the adjusting gear, a threaded rod is installed on the front side of the rack, the screw rod is installed on the left side and the right side inside the main body, a tire is installed on the outer side of the screw rod, a telescopic rod is fixedly installed at the upper end of the screw rod, a lower transverse helical gear is fixedly installed at the top end of the telescopic rod, a limiting inner gear is arranged below the lower transverse helical gear, a limiting outer gear is installed on the outer side of the limiting inner gear, an upper transverse helical gear is installed above the lower transverse helical gear, a driving longitudinal helical gear is installed on the inner side of the upper transverse helical gear, and a driven longitudinal helical gear is installed on the outer side of the upper transverse helical gear, big belt pulley is installed in the driven longitudinal helical gear outside, and is provided with the belt lace wheel below the big belt pulley to the inboard fixed mounting of belt lace wheel has tensioning spring, the main part top is provided with splint, and splint lower surface fixed mounting has clamping spring, and clamping spring has placed the controller inside.
Preferably, the laser head forms rotating-structure through adjusting gear and main part, and adjusts gear and rack meshing and be connected to the rack passes through the threaded rod and forms sliding structure with the main part.
Preferably, the lower transverse helical gear and the screw rod form a telescopic structure through a telescopic rod, and the lower transverse helical gear and the limiting inner gear and the limiting outer gear form a clamping structure.
Preferably, the upper transverse helical gear and the main body form a telescopic structure through a telescopic rod, the upper transverse helical gear is in meshed connection with the driven longitudinal helical gear, and the diameter of the driven longitudinal helical gear is smaller than that of the driving longitudinal helical gear.
Preferably, the small belt pulley and the main body form an elastic structure through a tension spring, and the number of the small belt pulleys is symmetrically arranged about the large belt pulley by 2.
Preferably, the controller forms a disassembly and assembly structure with the main body through a clamping plate, and the clamping plate forms an elastic structure with the main body through a clamping spring.
Compared with the prior art, the beneficial effects of the utility model are that: this bridge deck pavement crack detection device convenient to angle regulation adopts neotype structural design for the laser head angle of main part below installation can be adjusted through adjusting gear's rotation, makes the distance of laser irradiation change, thereby the scope that adjusting device detected, and can drive the tire through the inside lead screw rotation of main part and reciprocate in the outside of main part, thereby change the height of tire, in order to adapt to different bridge floor environment.
1. The cooperation between adjusting gear, rack, laser head and the threaded rod is used, can drive the rack through rotating the threaded rod and slide around the inside of main part to the adjusting gear who drives the below meshing and connect rotates, makes the angle change of laser head, and the distance of penetrating laser changes thereupon, thereby changes the scope that the device detected.
2. The lead screw, lower horizontal helical gear, the cooperation between the vertical helical gear of initiative and the telescopic link is used, and horizontal helical gear upwards moves to the position of being connected with the vertical helical gear meshing under the drive through the telescopic link, and horizontal helical gear takes place to rotate under the rotation drive through the vertical helical gear of initiative to make the lead screw begin to rotate, drive the outside tire and reciprocate, thereby change the height of tire in order to adapt to different detection ring border.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the large belt pulley of the present invention;
FIG. 3 is a schematic side view of the adjusting gear of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a main body; 2. an adjusting gear; 3. a laser head; 4. a rack; 5. a threaded rod; 6. a screw rod; 7. a tire; 8. a telescopic rod; 9. a lower lateral helical gear; 10. a limit inner gear; 11. a limit external gear; 12. an upper transverse bevel gear; 13. a driving longitudinal helical gear; 14. a driven longitudinal helical gear; 15. a large belt pulley; 16. a small belt pulley; 17. tensioning the spring; 18. a splint; 19. a clamping spring; 20. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a bridge deck pavement crack detection device convenient for angle adjustment comprises a main body 1, an adjusting gear 2, a laser head 3, a rack 4, a threaded rod 5, a screw rod 6, a tire 7, an expansion link 8, a lower transverse helical gear 9, a limiting internal gear 10, a limiting external gear 11, an upper transverse helical gear 12, a driving longitudinal helical gear 13, a driven longitudinal helical gear 14, a large belt pulley 15, a small belt pulley 16, a tensioning spring 17, a clamping plate 18, a clamping spring 19 and a controller 20, wherein the adjusting gear 2 is installed in the middle of the lower portion of the main body 1, the laser head 3 is arranged on the lower surface of the adjusting gear 2, the rack 4 is installed above the adjusting gear 2, the threaded rod 5 is installed on the front side of the rack 4, the screw rod 6 is installed on the left side and the right side of the inner portion of the main body 1, the tire 7 is installed on the outer side of the screw rod 6, the expansion link 8 is fixedly installed at the upper end of the screw rod 6, the lower transverse helical gear 9 is fixedly installed on the top end of the expansion link 8, and a limiting inner gear 10 is arranged below the lower transverse helical gear 9, a limiting outer gear 11 is arranged outside the limiting inner gear 10, an upper transverse helical gear 12 is arranged above the lower transverse helical gear 9, a driving longitudinal helical gear 13 is arranged inside the upper transverse helical gear 12, a driven longitudinal helical gear 14 is arranged outside the upper transverse helical gear 12, a large belt pulley 15 is arranged outside the driven longitudinal helical gear 14, a small belt pulley 16 is arranged below the large belt pulley 15, a tension spring 17 is fixedly arranged inside the small belt pulley 16, a clamping plate 18 is arranged above the main body 1, a clamping spring 19 is fixedly arranged on the lower surface of the clamping plate 18, and a controller 20 is arranged inside the clamping spring 19.
The lower transverse helical gear 9 and the screw rod 6 form a telescopic structure through the telescopic rod 8, and the lower transverse helical gear 9 and the inner limiting gear 10 and the outer limiting gear 11 form a clamping structure, so that the telescopic rod 8 can drive the lower transverse helical gear 9 to move up and down in the main body 1, and the inner limiting gear 10 and the outer limiting gear 11 are in a meshed state when moving downwards, so that the rotation of the lower transverse helical gear 9 is limited.
The upper transverse helical gear 12 and the main body 1 form a telescopic structure through the telescopic rod 8, the upper transverse helical gear 12 is in meshed connection with the driven longitudinal helical gear 14, the diameter of the driven longitudinal helical gear 14 is smaller than that of the driving longitudinal helical gear 13, and the structure enables the upper transverse helical gear 12 to be in meshed connection with the driven longitudinal helical gear 14 when moving downwards, so that power generated by rotation of the motor can be output through the driven longitudinal helical gear 14 to drive the tire 7 to rotate, and the device can move integrally.
The small belt pulley 16 and the main body 1 form an elastic structure through the tension spring 17, and the number of the small belt pulleys 16 is 2, which is symmetrically arranged about the large belt pulley 15, so that the small belt pulley 16 can tighten the belt under the action of the tension spring 17 when the height of the tire 7 changes, thereby ensuring the normal transmission of the belt.
The controller 20 and the main body 1 form a detachable installation structure through the clamping plate 18, and the clamping plate 18 and the main body 1 form an elastic structure through the clamping spring 19, so that the clamping plate 18 can be moved upwards and the controller 20 can be placed below after use, and then the clamping plate 18 can fix the controller 20 under the action of the clamping spring 19, and the carrying is convenient.
The working principle is as follows: when the device is used, according to the structure shown in figures 1, 3 and 4, firstly, the device is carried to the position to be detected, then the clamping plate 18 is pulled upwards to take out the internal controller 20, then the laser head 3 below is started, the motor is controlled by the controller 20 to rotate, the motor rotates to drive the driving longitudinal bevel gear 13 to rotate, so as to drive the upper transverse bevel gear 12 meshed with the driving longitudinal bevel gear to rotate, the driven longitudinal bevel gear 14 rotates along with the driving longitudinal bevel gear, the large belt wheel 15 rotates, the tire 7 on the outer side is driven to rotate by the belt, so that the device moves forwards, linear laser emitted by the laser head 3 below is utilized to detect whether cracks and sizes of the cracks exist, when the angle irradiated by the laser needs to be changed, the threaded rod 5 inside the main body 1 is rotated, the threaded rod 5 can drive the rack 4 to slide back and forth inside the main body 1 when rotating, thereby driving the adjusting gear 2 engaged with the adjusting gear to rotate and achieving the purpose of changing the irradiation angle of the laser head 3.
According to the structure shown in fig. 1, fig. 2 and fig. 4, when the height of the tire 7 needs to be changed facing different bridge surface environments, firstly, the controller 20 controls the telescopic rod 8 to extend to push the lower transverse helical gear 9 to move upwards to a position meshed with the driving longitudinal helical gear 13, at this time, the upper transverse helical gear 12 is disengaged from the driving longitudinal helical gear 13, at this time, the motor rotates to drive the lower transverse helical gear 9 to rotate, so as to drive the screw rod 6 inside the main body 1 to rotate, so that the tire 7 moves up and down on the outer side of the main body 1, the height of the tire 7 is changed, after the height of the tire 7 is changed, the small belt pulley 16 can always keep the belt in a tensioned state under the action of the tensioning spring 17, after the height adjustment is completed, the telescopic rod 8 is controlled to drive the lower transverse helical gear 9 to return to the original position, at this time, the internal limiting gear 10 below the lower transverse helical gear 9 returns to the position meshed with the external limiting gear 11 again, therefore, the rotation of the lower transverse helical gear 9 is limited, the lower transverse helical gear 9 is prevented from rotating to change the adjusted height when the device moves, and the working principle of the crack detection device for bridge deck pavement is that the angle is convenient to adjust.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bridge deck pavement uses crack detection device convenient to angle regulation, includes main part (1), lead screw (6), lower horizontal helical gear (9) and big belt pulley (15), its characterized in that: the middle of the lower part of the main body (1) is provided with an adjusting gear (2), the lower surface of the adjusting gear (2) is provided with a laser head (3), a rack (4) is arranged above the adjusting gear (2), a threaded rod (5) is arranged on the front side of the rack (4), the lead screw (6) is arranged on the left side and the right side inside the main body (1), a tire (7) is arranged on the outer side of the lead screw (6), a telescopic rod (8) is fixedly arranged on the upper end of the lead screw (6), a lower transverse helical gear (9) is fixedly arranged on the top end of the telescopic rod (8), a limiting inner gear (10) is arranged below the lower transverse helical gear (9), a limiting outer gear (11) is arranged on the outer side of the limiting inner gear (10), an upper transverse helical gear (12) is arranged above the lower transverse helical gear (9), and a driving longitudinal helical gear (13) is arranged on the inner side of the upper transverse helical gear (12), and go up the outside of horizontal helical gear (12) and install driven longitudinal helical gear (14), big belt pulley (15) are installed in driven longitudinal helical gear (14) outside, and big belt pulley (15) below is provided with small belt pulley (16) to small belt pulley (16) inboard fixed mounting has tensioning spring (17), main part (1) top is provided with splint (18), and splint (18) lower surface fixed mounting has clamping spring (19) to inside controller (20) of having placed of clamping spring (19).
2. The bridge deck pavement crack detection device convenient for angle adjustment of claim 1, wherein: laser head (3) constitute revolution mechanic through adjusting gear (2) and main part (1), and adjusting gear (2) are connected with rack (4) meshing to rack (4) constitute sliding construction through threaded rod (5) and main part (1).
3. The bridge deck pavement crack detection device convenient for angle adjustment of claim 1, wherein: the lower transverse helical gear (9) and the screw rod (6) form a telescopic structure through a telescopic rod (8), and the lower transverse helical gear (9) and the lower transverse helical gear (10) and the limiting external gear (11) form a clamping structure.
4. The bridge deck pavement crack detection device convenient for angle adjustment of claim 1, wherein: the upper transverse helical gear (12) and the main body (1) form a telescopic structure through a telescopic rod (8), the upper transverse helical gear (12) is in meshed connection with the driven longitudinal helical gear (14), and the diameter of the driven longitudinal helical gear (14) is smaller than that of the driving longitudinal helical gear (13).
5. The bridge deck pavement crack detection device convenient for angle adjustment of claim 1, wherein: the small belt pulley (16) and the main body (1) form an elastic structure through a tension spring (17), and 2 small belt pulleys (16) are symmetrically arranged around the large belt pulley (15).
6. The bridge deck pavement crack detection device convenient for angle adjustment of claim 1, wherein: the controller (20) and the main body (1) form a dismounting and mounting structure through the clamping plate (18), and the clamping plate (18) and the main body (1) form an elastic structure through the clamping spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402427.XU CN214095920U (en) | 2021-02-23 | 2021-02-23 | Bridge deck pavement crack detection device convenient to angle regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120402427.XU CN214095920U (en) | 2021-02-23 | 2021-02-23 | Bridge deck pavement crack detection device convenient to angle regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214095920U true CN214095920U (en) | 2021-08-31 |
Family
ID=77441077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120402427.XU Expired - Fee Related CN214095920U (en) | 2021-02-23 | 2021-02-23 | Bridge deck pavement crack detection device convenient to angle regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214095920U (en) |
-
2021
- 2021-02-23 CN CN202120402427.XU patent/CN214095920U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20210831 |