CN109945766B - Portable bridge crack width measuring instrument - Google Patents
Portable bridge crack width measuring instrument Download PDFInfo
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- CN109945766B CN109945766B CN201910282223.4A CN201910282223A CN109945766B CN 109945766 B CN109945766 B CN 109945766B CN 201910282223 A CN201910282223 A CN 201910282223A CN 109945766 B CN109945766 B CN 109945766B
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Abstract
The invention relates to the field of building detection tools, in particular to a portable bridge crack width measuring instrument which comprises a cylinder body, wherein one end of the cylinder body is a measuring end, a measuring component is arranged in the measuring end of the cylinder body, the other end of the cylinder body is an observing end, an observing component is arranged in the observing end of the cylinder body, the measuring component and the observing component respectively comprise a measuring rod capable of extending out of the side wall of the cylinder body, and a control component capable of enabling the measuring rods of the measuring component and the observing component to synchronously extend out is further arranged at the observing end of the cylinder body. The device is convenient to operate, simple in structure and easy to carry, can be used for visually comparing and measuring the internal width of the crack on the bridge, ensures the accuracy and is beneficial to popularization and application.
Description
Technical Field
The invention relates to the field of building detection tools, in particular to a portable bridge crack width measuring instrument.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
The bridge with the concrete structure generates cracks under the action of various loads in the design, construction and use processes, and the width and length of the cracks reflect the current working state of the structure. When the width of the crack is too large, the aesthetic property and durability of the crack are affected, and the safety of the structure is even endangered. Therefore, the monitoring of the width of the crack on the surface of the structure at regular time is one of the important contents for detecting the structure. The traditional method for detecting the cracks based on the artificial vision can not meet the requirements of bridge detection development all the more, the personal subjective degree is large, the accuracy is poor, and some large-scale equipment are not suitable for detecting the bridge.
In the prior art, a portable simple bridge crack width measuring instrument disclosed in chinese patent (No. CN 205482870U) can only measure the width of a crack on the surface of a bridge, but cannot directly measure the width of a crack inside the bridge, and is limited greatly. Therefore, in view of the above situation, there is an urgent need to develop a portable bridge crack width measuring instrument to overcome the shortcomings in the current practical application.
Disclosure of Invention
An embodiment of the present invention provides a portable bridge crack width measuring instrument to solve the problems in the background art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a portable bridge crack width measuring instrument comprises a cylinder body, wherein one end of the cylinder body is a measuring end, a measuring assembly is arranged inside the measuring end of the cylinder body, the other end of the cylinder body is an observing end, an observing assembly is arranged inside the observing end of the cylinder body, the measuring assembly and the observing assembly both comprise measuring rods which can extend out of the side wall of the cylinder body, and a control assembly which can enable the measuring rods of the measuring assembly and the observing assembly to synchronously extend out is further arranged at the observing end of the cylinder body;
the measuring assembly and the observation assembly respectively comprise a top block arranged on the inner side of the cylinder, a guide plate is fixedly arranged at the inner end of the top block, a sliding groove matched and in sliding connection with the guide plate is formed in the inner side wall of the cylinder, and a screw rod is fixedly arranged on the inner side of the guide plate; through holes are formed in the side wall of the barrel on two sides of the outer end of the top block, a measuring rod is arranged on the through holes in a matched sliding mode, a limiting block is further fixedly arranged on the outer side of the inner end of the measuring rod, a return spring is arranged on the outer side of the limiting block, and the other end of the return spring is fixed on the inner side wall of the barrel;
the control assembly comprises a rotary ball head, a rotary rod, a driving bevel gear, a driven bevel gear, a bearing and a thread cylinder, wherein the thread cylinder is installed at the middle part of the inner side of the cylinder body in a rotating mode through the bearing, the thread cylinder is in thread fit connection with the screw rod, the driven bevel gear is installed and fixed at one end, close to the observation assembly, of the thread cylinder, the driven bevel gear is in meshed connection with the driving bevel gear, the rotary rod is installed on the side wall of the cylinder body in a rotating mode, the inner end of the rotary rod is fixedly connected with the driving bevel gear, and the outer.
As a further scheme of the invention: the cylinder is a cylindrical cylinder structure with two closed ends.
As a further scheme of the invention: the spotlight is installed to the measurement end tip of barrel, and the measurement end tip of barrel still is provided with and is used for carrying out the protection rack that protects to the spotlight, the control button that is used for controlling the spotlight is installed to the observation end tip of barrel, the observation terminal side of barrel still is provided with and is used for carrying out the battery case of supplying power to the spotlight, the spotlight passes through control button and battery case electric connection.
As a further scheme of the invention: the protection rack is the hemisphere structure, and the protection rack adopts metal material to make, and the diameter of protection rack is the same with the external diameter size of barrel, welded fastening between protection rack and the barrel.
As a further scheme of the invention: two the kicking block symmetry sets up, and the main view of kicking block is isosceles triangle shape.
As a further scheme of the invention: the measuring rod is provided with scales, and the inner end of the measuring rod is provided with an inclined plane parallel to the waist of the top block.
As a further scheme of the invention: the thread cylinder and the screw rod are coaxially arranged, the rotary rod is perpendicular to the thread cylinder, and when the thread cylinder rotates, the screw rods of the measuring assembly and the observing assembly can be synchronously close to or far away from each other.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
the portable bridge crack width measuring instrument is used for protecting a spotlight from stretching into a crack to illuminate through the protective net rack; when the crack is measured, the control assembly is operated to enable the threaded cylinder to rotate, so that the two screws can be synchronously far away, the guide plate and the screws are matched and arranged in a sliding mode, the moving stability of the ejector block is improved, the measuring rod of the measuring assembly and the measuring rod of the observation assembly can be synchronously ejected out through the ejector block, and the measuring rod is provided with scales, so that the crack width can be conveniently and visually observed through the measuring rod of the observation assembly through the limit extension length of the measuring rod of the measuring assembly in the crack; after the measurement is finished, the ejector block of the measurement assembly and the observation assembly can be enabled to recover the original position through the operation control assembly, the measurement rod can be enabled to recover the original position through the return spring, and the limiting block is further used for limiting the anti-dropping of the measurement rod.
To sum up, the device is convenient operation, and simple structure easily carries, can carry out the measurement of comparing directly perceived to the inside width of crack on the bridge, guarantees the degree of accuracy, does benefit to popularization and application.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a measuring rod according to an embodiment of the present invention.
Fig. 4 is a partially enlarged schematic view of a in fig. 3.
In the figure: 1-protective net rack, 2-spotlight, 3-measuring component, 4-cylinder, 5-thread cylinder, 6-bearing, 7-driven bevel gear, 8-driving bevel gear, 9-rotating ball head, 10-rotating rod, 11-battery box, 12-observation component, 13-control button, 14-measuring rod, 15-through hole, 16-scale, 17-top block, 18-guide plate, 19-limiting block, 20-return spring, 21-screw rod and 22-sliding groove.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a portable bridge crack width measuring instrument includes a cylinder 4, one end of the cylinder 4 is a measuring end, a measuring assembly 3 is disposed inside the measuring end of the cylinder 4, the other end of the cylinder 4 is an observing end, an observing assembly 12 is disposed inside the observing end of the cylinder 4, the measuring assembly 3 and the observing assembly 12 both include a measuring rod 14 that can extend from a side wall of the cylinder 4, and a control assembly that can enable the measuring rod 14 of the measuring assembly 3 and the observing assembly 12 to extend synchronously is further disposed at the observing end of the cylinder 4.
Further, the cylinder 4 may be a cylindrical cylinder structure with two closed ends, or may be another structure.
Further, for the convenience is surveyd crack inside, spotlight 2 is installed to the measurement end tip of barrel 4, and the measurement end tip of barrel 4 still is provided with the protection rack 1 that is used for carrying out the protection to spotlight 2, protection rack 1 is the hemispherical structure, and protection rack 1 adopts metal material to make, and the diameter of protection rack 1 is the same with the external diameter size of barrel 4, welded fastening between protection rack 1 and the barrel 4, the control button 13 that is used for controlling spotlight 2 is installed to the observation end tip of barrel 4, the observation end side of barrel 4 still is provided with the battery case 11 that is used for carrying out the power supply to spotlight 2, spotlight 2 passes through control button 13 and battery case 11 electric connection.
Example 2
Referring to fig. 2-4, the difference between the present embodiment and embodiment 1 is:
in this embodiment, each of the measuring assembly 3 and the observing assembly 12 includes a top block 17 disposed inside the cylinder 4, the two top blocks 17 are symmetrically disposed, a main view of the top block 17 is in an isosceles triangle shape, a guide plate 18 is fixedly installed at an inner end of the top block 17, a sliding groove 22 matched with and slidably connected with the guide plate 18 is formed in an inner side wall of the cylinder 4, the guide plate 18 can slide along the sliding groove 22, and a screw 21 is fixedly installed inside the guide plate 18; the control component comprises a rotary ball head 9, a rotary rod 10, a driving bevel gear 8, a driven bevel gear 7, a bearing 6 and a threaded cylinder 5, the threaded cylinder 5 is rotatably installed at the middle part of the inner side of the cylinder body 4 through the bearing 6, the threaded cylinder 5 and a screw 21 are coaxially arranged, the threaded cylinder 5 and the screw 21 are in threaded fit connection, when the threaded cylinder 5 rotates, the measuring component 3 and the screw 21 of the observation component 12 can be synchronously close to or far away from each other, only the threads on the inner wall of the threaded cylinder 5 or the outer wall of the screw 21 are needed to be arranged, and no further description is needed, the driven bevel gear 7 is installed and fixed at one end of the threaded cylinder 5 close to the observation component 12, the driven bevel gear 7 is meshed with the driving bevel gear 8, the rotary rod 10 is rotatably installed on the side wall of the cylinder body 4, the rotary rod 10 is perpendicular to the threaded, the outer end of rotary rod 10 and rotatory bulb 9 fixed connection can be rotatory to rotary rod 10 through operation rotatory bulb 9, and then drives driven bevel gear 7 through initiative bevel gear 8 and rotate, and then makes screw thread section of thick bamboo 5 rotate.
Through-hole 15 has all been seted up to the outer end both sides of kicking block 17 on barrel 4 lateral wall, and the cooperation is slided and is provided with measuring stick 14 on through-hole 15, is provided with scale 16 on the measuring stick 14, conveniently carries out crack width statistics through scale 16, the inner of measuring stick 14 is provided with the inclined plane parallel with the waist of kicking block 17, promotes the stability of measuring stick 14 motion, the inner outside of measuring stick 14 still fixedly is provided with stopper 19, and the outside of stopper 19 is provided with return spring 20, and return spring 20's the other end is fixed in on the inside wall of barrel 4, is used for carrying out the anticreep spacing to measuring stick 14 through stopper 19, and return spring 20 is used for measuring stick 14 to resume the normal.
The portable bridge crack width measuring instrument is used for protecting a spotlight 2 from stretching into a crack to illuminate through a protective net rack 1; when the crack is measured, the control assembly is operated to enable the threaded cylinder 5 to rotate, so that the two screw rods 21 can be synchronously far away, the guide plate 18 and the screw rods 21 are matched and arranged in a sliding mode, the moving stability of the ejector block 17 is improved, the measuring rod 14 of the measuring assembly 3 and the measuring rod 14 of the observation assembly 12 can be synchronously ejected out through the ejector block 17, and the measuring rod 14 is provided with scales 16, so that the crack width can be conveniently and visually observed through the measuring rod 14 of the observation assembly 12 through the limit extension length of the measuring rod 14 of the measuring assembly 3 in the crack; after the measurement is finished, the top block 17 of the measurement component 3 and the observation component 12 can be restored to the original position through the operation control component, the measurement rod 14 can be restored to the original position through the return spring 20, and the limiting block 19 is also used for preventing the measurement rod 14 from falling off and limiting.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. A portable bridge crack width measuring instrument comprises a cylinder body (4), and is characterized in that one end of the cylinder body (4) is a measuring end, a measuring component (3) is arranged inside the measuring end of the cylinder body (4), the other end of the cylinder body (4) is an observing end, an observing component (12) is arranged inside the observing end of the cylinder body (4), the measuring component (3) and the observing component (12) both comprise measuring rods (14) which can extend out of the side wall of the cylinder body (4), and the observing end of the cylinder body (4) is also provided with a control component which can enable the measuring rods (14) of the measuring component (3) and the observing component (12) to synchronously extend out;
the measuring assembly (3) and the observation assembly (12) both comprise a top block (17) arranged on the inner side of the cylinder body (4), a guide plate (18) is fixedly arranged at the inner end of the top block (17), a sliding groove (22) matched and slidably connected with the guide plate (18) is formed in the inner side wall of the cylinder body (4), and a screw rod (21) is fixedly arranged on the inner side of the guide plate (18); through holes (15) are formed in the side wall of the barrel body (4) on two sides of the outer end of the top block (17), a measuring rod (14) is arranged on the through holes (15) in a matched sliding mode, a limiting block (19) is further fixedly arranged on the outer side of the inner end of the measuring rod (14), a return spring (20) is arranged on the outer side of the limiting block (19), and the other end of the return spring (20) is fixed on the inner side wall of the barrel body (4);
the control assembly comprises a rotary ball head (9), a rotary rod (10), a driving bevel gear (8), a driven bevel gear (7), a bearing (6) and a threaded cylinder (5), the middle part of the inner side of the cylinder body (4) is rotatably provided with the threaded cylinder (5) through the bearing (6), the threaded cylinder (5) is in threaded fit connection with a screw rod (21), the driven bevel gear (7) is fixedly arranged at one end, close to the observation assembly (12), of the threaded cylinder (5), the driven bevel gear (7) is meshed with the driving bevel gear (8) and is connected with the driving bevel gear (8), the rotary rod (10) is rotatably arranged on the side wall of the cylinder body (4), the inner end of the rotary rod (10) is fixedly connected with the driving bevel gear (8), and the outer end of the rotary rod (10) is.
2. The portable bridge crack width measuring instrument of claim 1, wherein the cylinder (4) is a cylindrical cylinder structure with two closed ends.
3. The portable bridge crack width measuring instrument according to claim 2, wherein a spotlight (2) is installed at the measuring end of the cylinder (4), a protective net frame (1) for protecting the spotlight (2) is further arranged at the measuring end of the cylinder (4), a control button (13) for controlling the spotlight (2) is installed at the observing end of the cylinder (4), a battery box (11) for supplying power to the spotlight (2) is further arranged at the observing end side of the cylinder (4), and the spotlight (2) is electrically connected with the battery box (11) through the control button (13).
4. The portable bridge crack width measuring instrument of claim 3, wherein the protective net rack (1) is of a hemispherical structure, the protective net rack (1) is made of metal materials, the diameter of the protective net rack (1) is the same as the outer diameter of the barrel (4), and the protective net rack (1) and the barrel (4) are welded and fixed.
5. The portable bridge crack width measuring instrument of claim 1, wherein the two top blocks (17) are symmetrically arranged, and the main view of the top blocks (17) is in an isosceles triangle shape.
6. The portable bridge crack width measuring instrument according to claim 5, wherein the measuring rod (14) is provided with a scale (16), and the inner end of the measuring rod (14) is provided with an inclined plane parallel to the waist of the top block (17).
7. The portable bridge crack width measuring instrument according to claim 1, wherein the threaded cylinder (5) and the screw (21) are coaxially arranged, the rotating rod (10) is vertically arranged with the threaded cylinder (5), and when the threaded cylinder (5) rotates, the screw (21) of the measuring assembly (3) and the observing assembly (12) can synchronously approach or depart.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910282223.4A CN109945766B (en) | 2019-04-09 | 2019-04-09 | Portable bridge crack width measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282223.4A CN109945766B (en) | 2019-04-09 | 2019-04-09 | Portable bridge crack width measuring instrument |
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| CN109945766A CN109945766A (en) | 2019-06-28 |
| CN109945766B true CN109945766B (en) | 2020-10-27 |
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| CN201910282223.4A Active CN109945766B (en) | 2019-04-09 | 2019-04-09 | Portable bridge crack width measuring instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111678448A (en) * | 2020-06-17 | 2020-09-18 | 江苏南水科技有限公司 | Miniaturized pop-up fiber bragg grating joint meter and packaging method |
| CN114812326A (en) * | 2022-03-21 | 2022-07-29 | 中国五冶集团有限公司 | Measure measuring tape of small crack width |
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| JP2011220749A (en) * | 2010-04-07 | 2011-11-04 | Nakanihon Highway Engineering Nagoya Kk | Crack gauge |
| CN204373586U (en) * | 2015-02-04 | 2015-06-03 | 安徽理工大学 | Integral type measures the 3M ruler device of surface evenness |
| CN205482870U (en) * | 2016-01-25 | 2016-08-17 | 山东华鉴工程检测有限公司 | Simple and easy measuring apparatu of portable bridge fracture width |
| CN206321175U (en) * | 2016-12-13 | 2017-07-11 | 苏州美瑞时科技有限公司 | A kind of altimeter gauge head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202928495U (en) * | 2012-10-22 | 2013-05-08 | 安徽誉丰汽车技术有限责任公司 | Motor vehicle engine belt length detection device |
| CN204594382U (en) * | 2015-03-25 | 2015-08-26 | 河海大学 | A kind of wide range crush tests displacement measuring device |
| KR102387421B1 (en) * | 2017-05-29 | 2022-04-18 | 한국전력공사 | Apparatus for measuring width of snake |
| CN207675124U (en) * | 2017-11-15 | 2018-07-31 | 贵州省交通科学研究院股份有限公司 | A kind of bridge pavement road bottom fracture width measuring device |
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- 2019-04-09 CN CN201910282223.4A patent/CN109945766B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220749A (en) * | 2010-04-07 | 2011-11-04 | Nakanihon Highway Engineering Nagoya Kk | Crack gauge |
| CN204373586U (en) * | 2015-02-04 | 2015-06-03 | 安徽理工大学 | Integral type measures the 3M ruler device of surface evenness |
| CN205482870U (en) * | 2016-01-25 | 2016-08-17 | 山东华鉴工程检测有限公司 | Simple and easy measuring apparatu of portable bridge fracture width |
| CN206321175U (en) * | 2016-12-13 | 2017-07-11 | 苏州美瑞时科技有限公司 | A kind of altimeter gauge head |
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