CN218002393U - Bridge junction crack width tracking and monitoring equipment - Google Patents
Bridge junction crack width tracking and monitoring equipment Download PDFInfo
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- CN218002393U CN218002393U CN202222984668.7U CN202222984668U CN218002393U CN 218002393 U CN218002393 U CN 218002393U CN 202222984668 U CN202222984668 U CN 202222984668U CN 218002393 U CN218002393 U CN 218002393U
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Abstract
The utility model relates to a structural engineering technical field specifically is a monitoring equipment is trailed to bridge junction crack width, which comprises a housin, the one end of casing is located one side position department and slides and insert and be equipped with first measurement slide bar, still includes: the measurement amplification mechanism is arranged between the inside of the shell and the first measurement sliding rod and comprises a rotating shaft which is rotatably connected to the position, located on one side, inside the shell and two first guide pillars which are fixed to the other side inside the shell, and the second measurement sliding rod is sleeved on the outer sides of the two first guide pillars in a sliding mode. The utility model relates to a novelty, the structure is ingenious, through measuring the mechanism of enlargiing, enlargies the amount of movement of first measurement slide bar, when the crack width takes place small change, can make the second measure the displacement of slide bar increase several times, and the staff of being convenient for measures and observes the crack change volume, has improved the monitoring precision.
Description
Technical Field
The utility model relates to a structural engineering technical field specifically is a monitoring equipment is trailed to bridge junction crack width.
Background
Concrete cracks have important influence on the safety of a bridge structure, the cracks are divided into initial cracks and stress cracks according to the cause, the initial cracks are usually caused by hydration heat of concrete in the construction period and improper construction and maintenance, and the cracks have little influence on the stress of the structure. The stress crack is caused by factors such as heavy traffic, foundation settlement and the like, and if the crack exceeds the limit value specified by the specification, the structure performance is adversely affected, so that safety accidents are caused. Therefore, the method has very important significance for timely mastering the generation and development processes of the structural cracks, safely operating and maintaining the bridge and avoiding potential accidents.
Through searching, the publication number is: CN 215572586U's utility model discloses a concrete crack width monitoring facilities, including the monitoring box body, department installs the installation in the middle of the lateral wall of monitoring box body and takes the ear, the front of monitoring box body is provided with evenly distributed's reflection of light warning strip, pressure spring is installed to the right side longitudinal symmetry of monitoring box body inner wall, measuring component is installed in pressure spring's left side, department installs the direction extension mouth in the middle of the left side of monitoring box body, the left side of monitoring box body and the back mounted who is located the direction extension mouth have the right side limiting plate, department is provided with the restraint bandage in the middle of the downside of right side limiting plate, the back bonding of monitoring box body has the rubber slipmat, the mounting hole has been seted up on the installation takes the ear, the upper and lower both sides wall of monitoring box body and all install the installation and take the ear near one side at its back.
This patent has certain drawbacks: the measuring component of this patent is along with the width increase of crack and outwards stretches out, and how much the crack increases, how long the measuring component stretches out, because the crack width is usually slowly increasing along with the time lapse, and the width variation of crack is very little, consequently has great error when the monitoring, has reduced the monitoring precision.
Therefore, the person skilled in the art provides a bridge junction crack width tracking and monitoring device to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a monitoring equipment is trailed to bridge junction crack width to solve the problem that proposes among the above-mentioned background art.
The technical scheme of the utility model is that: the utility model provides a bridge junction crack width tracking monitoring is equipped, includes the casing, the one end of casing is located one side position department and slides and insert and be equipped with first measurement slide bar, still includes: the measuring and amplifying mechanism is arranged between the inside of the shell and the first measuring sliding rod and comprises a rotating shaft which is rotatably connected to the position of one side in the shell and two first guide pillars which are fixed to the other side of the inside of the shell, the outer sides of the two first guide pillars are slidably sleeved with a second measuring sliding rod, racks are fixed to one sides of the second measuring sliding rod and the first measuring sliding rod, a fixing block which extends to the outside of the shell is fixed to the position, located in the middle section, of the upper side of the second measuring sliding rod, a pointer is fixed to one side of the fixing block, a sliding groove is formed in the position, corresponding to the fixing block, of the upper side of the shell, a first fixing rod is fixed to one side of the rotating shaft, a second fixing rod is fixed to the other side of the rotating shaft, a first toothed ring is fixed to one end of the first fixing rod, a second toothed ring is fixed to one end of the second fixing rod, and the first toothed ring and the second toothed ring are meshed with the two racks respectively through teeth.
Preferably, a graduated scale is fixed on the upper side of the shell at one side of the sliding groove.
Preferably, one end of the first measuring sliding rod is slidably inserted with a second guide post, and one end of the second guide post is fixed with the inner side of the shell.
Preferably, a supporting sleeve sleeved outside the first measuring sliding rod is fixed at one end of the housing.
Preferably, a housing mounting lug is fixed to each of two sides of the housing, and a sliding rod mounting lug is fixed to the other end of the first measuring sliding rod.
Preferably, the first gear ring and the second gear ring have circular shapes coincident with the rotating shaft.
Preferably, the diameter of the first gear ring is smaller than that of the second gear ring, and the length of the first fixing rod is smaller than that of the second fixing rod.
The utility model discloses an improve and provide a bridge junction crack width tracking monitoring equipment here, compare with prior art, have following improvement and advantage:
the utility model relates to a novelty, the structure is ingenious, through measuring the mechanism of amplification, enlargies the amount of movement of first measurement slide bar, when the crack width takes place small change, can make the second measure the displacement of slide bar increase several times, and the staff of being convenient for measures and observes the crack change volume, has improved the monitoring precision.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.
Description of reference numerals:
1. a housing; 2. a first measuring slide bar; 3. a rotating shaft; 4. a first guide post; 5. a second measuring slide bar; 6. a rack; 7. a first fixing lever; 8. a second fixing bar; 9. a first ring gear; 10. a second ring gear; 11. a fixed block; 12. a pointer; 13. a graduated scale; 14. a second guide post; 15. a support sleeve; 16. a housing mounting lug; 17. a slide bar mounting lug; 18. a chute.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.
The utility model discloses an improve and provide a bridge junction crack width tracking monitoring equipment here, the technical scheme of the utility model is:
as shown in fig. 1-3, a bridge junction crack width tracking and monitoring device includes a casing 1, a graduated scale 13 is fixed at a position of one side of a sliding groove 18 on the upper side of the casing 1, the graduated scale 13 is matched with a pointer 12 to facilitate reference to a second movement amount of a measuring sliding rod 5, casing mounting lugs 16 are fixed at two sides of the casing 1, a sliding rod mounting lug 17 is fixed at the other end of a first measuring sliding rod 2, the casing mounting lug 16 is used for passing through a bolt to fix the casing 1 to a bridge deck, the sliding rod mounting lug 17 is used for passing through a bolt to fix the first measuring sliding rod 2 to the bridge deck, a first measuring sliding rod 2 is slidably inserted at a position of one side of the casing 1, a second guide post 14 is slidably inserted at one end of the first measuring sliding rod 2, one end of the second guide post 14 is fixed to the inner side of the casing 1, and the second guide post 14 supports one end of the first measuring sliding rod 2, which further includes: the measuring and amplifying mechanism is arranged between the inside of the shell 1 and the first measuring sliding rod 2, the measuring and amplifying mechanism comprises a rotating shaft 3 which is rotatably connected to the inside of the shell 1 and located at one side position and two first guide pillars 4 which are fixed to the other side of the inside of the shell 1, the outside of the two first guide pillars 4 is slidably sleeved with a second measuring sliding rod 5, one sides of the second measuring sliding rod 5 and the first measuring sliding rod 2 are respectively fixed with a rack 6, the upside of the second measuring sliding rod 5 is located at the middle section position and is fixed with a fixed block 11 which extends to the outside of the shell 1, one side of the fixed block 11 is fixed with a pointer 12, a sliding groove 18 is formed in the position, corresponding to the fixed block 11, of the upside of the shell 1, one side of the rotating shaft 3 is fixed with a first fixed rod 7, the other side of the rotating shaft 3 is fixed with a second fixed rod 8, one end of the first fixed rod 7 is fixed with a first toothed ring 9, one end of the second fixed with a second toothed ring 10, and the first toothed ring 9 and the second toothed ring 10 are respectively meshed with the two racks 6 through teeth.
Furthermore, one end of the casing 1 is fixed with a supporting sleeve 15 which is sleeved on the outer side of the first measuring sliding rod 2, and the supporting sleeve 15 supports the first measuring sliding rod 2, so that the sliding stability of the first measuring sliding rod is improved.
Further, the first ring gear 9 and the second ring gear 10 have circular shapes coincident with the rotation shaft 3, so that the first ring gear 9 and the second ring gear 10 are respectively engaged with the two racks 6.
Further, the diameter of first ring gear 9 is less than second ring gear 10, and the length of first dead lever 7 is less than second dead lever 8, can obtain through lever principle, and the displacement of second measurement slide bar 5 is greater than the displacement of first measurement slide bar 2 to when the crack takes place very little change, slide bar 5 can be increased the variation quantity several times to the second measurement slide bar, the staff of being convenient for measures and observes the crack variation quantity, has improved the monitoring precision
The working principle is as follows: when the crack measuring device is used, the shell 1 is fixed on one side of a crack of a concrete surface, the first measuring sliding rod 2 is pulled out, the sliding rod mounting lug 17 at one end of the first measuring sliding rod 2 is fixed on the other side of the crack of the concrete surface, when the crack width is increased, the first measuring sliding rod 2 can be pulled out outwards, the first measuring sliding rod 2 is provided with a rack 6 on one side of the first measuring sliding rod to move, the rack 6 moves to drive a first toothed ring 9 to rotate around a rotating shaft 3 through tooth meshing, the first toothed ring 9 drives the rotating shaft 3 to rotate through a first fixing rod 7, the rotating shaft 3 drives a second toothed ring 10 to rotate around the rotating shaft 3 through a second fixing rod 8, the second toothed ring 10 rotates to drive a second measuring sliding rod 5 to move through tooth meshing, because the length of the first fixing rod 7 is smaller than that of the second fixing rod 8, the moving distance of the second measuring sliding rod 5 is larger than that of the first measuring sliding rod 2, and therefore, when the crack is slightly changed, the second measuring sliding rod 5 can multiply the measuring amount and the crack monitoring accuracy is improved for the measurement and the crack monitoring accuracy is improved.
Claims (7)
1. The utility model provides a bridge junction crack width tracking monitoring is equipped, includes casing (1), the one end of casing (1) is located one side position department and slides and insert and be equipped with first measurement slide bar (2), its characterized in that still includes:
the measuring and amplifying mechanism is arranged between the inside of the shell (1) and the first measuring sliding rod (2) and comprises a rotating shaft (3) which is rotatably connected to the inside of the shell (1) and located at one side position and two first guide pillars (4) fixed to the other side of the inside of the shell (1), the two first guide pillars (4) are slidably sleeved with a second measuring sliding rod (5), racks (6) are fixed to one sides of the second measuring sliding rod (5) and the first measuring sliding rod (2), a fixing block (11) extending to the outside of the shell (1) is fixed to the position, located at the middle section, of the upper side of the second measuring sliding rod (5), a pointer (12) is fixed to one side of the fixing block (11), a sliding groove (18) is formed in the position, corresponding to the fixing block (11), of the upper side of the rotating shaft (3), a first fixing rod (7) is fixed to one side of the rotating shaft (3), a second fixing rod (8) is fixed to the other side of the rotating shaft (3), a first toothed ring (9) is fixed to one end of the first fixing rod (7), and two toothed rings (10) are respectively meshed with a second toothed ring (10).
2. The bridge junction crack width tracking and monitoring equipment of claim 1, wherein: a graduated scale (13) is fixed at one side of the sliding groove (18) on the upper side of the shell (1).
3. The bridge junction crack width tracking and monitoring equipment of claim 1, wherein: one end of the first measuring sliding rod (2) is inserted with a second guide post (14) in a sliding manner, and one end of the second guide post (14) is fixed with the inner side of the shell (1).
4. The bridge junction crack width tracking and monitoring equipment of claim 1, wherein: one end of the shell (1) is fixedly provided with a supporting sleeve (15) which is sleeved outside the first measuring sliding rod (2).
5. The bridge junction crack width tracking and monitoring device of claim 1, which is characterized in that: and two sides of the shell (1) are fixedly provided with shell mounting lugs (16), and the other end of the first measuring sliding rod (2) is fixedly provided with a sliding rod mounting lug (17).
6. The bridge junction crack width tracking and monitoring equipment of claim 1, wherein: the first gear ring (9) and the second gear ring (10) are both in a circle shape and coincide with the rotating shaft (3).
7. The bridge junction crack width tracking and monitoring device of claim 1, which is characterized in that: the diameter of the first toothed ring (9) is smaller than that of the second toothed ring (10), and the length of the first fixing rod (7) is smaller than that of the second fixing rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984668.7U CN218002393U (en) | 2022-11-10 | 2022-11-10 | Bridge junction crack width tracking and monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984668.7U CN218002393U (en) | 2022-11-10 | 2022-11-10 | Bridge junction crack width tracking and monitoring equipment |
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| Publication Number | Publication Date |
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| CN218002393U true CN218002393U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222984668.7U Active CN218002393U (en) | 2022-11-10 | 2022-11-10 | Bridge junction crack width tracking and monitoring equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558422A (en) * | 2023-04-27 | 2023-08-08 | 山东方云软件技术有限公司 | Bridge crack width tracking and monitoring device |
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2022
- 2022-11-10 CN CN202222984668.7U patent/CN218002393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558422A (en) * | 2023-04-27 | 2023-08-08 | 山东方云软件技术有限公司 | Bridge crack width tracking and monitoring device |
| CN116558422B (en) * | 2023-04-27 | 2023-10-10 | 山东方云软件技术有限公司 | Bridge crack width tracking and monitoring device |
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