CN213631922U - Bridge crack depth detection device - Google Patents
Bridge crack depth detection device Download PDFInfo
- Publication number
- CN213631922U CN213631922U CN202022428005.8U CN202022428005U CN213631922U CN 213631922 U CN213631922 U CN 213631922U CN 202022428005 U CN202022428005 U CN 202022428005U CN 213631922 U CN213631922 U CN 213631922U
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- China
- Prior art keywords
- fixed
- ring
- detection device
- bearing
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000010985 leather Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
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Abstract
The utility model relates to a detect technical field, and disclose a bridge crack degree of depth detection device, the power distribution box comprises a box body, the top of box is fixed with the bail handle, the inside of box is provided with the tape measure, be provided with the scale on the tape measure, the tape measure is fixed on rolling up the ring, the one end of rolling up the ring is fixed with first fender ring, the other end of rolling up the ring is fixed with the second and keeps off the ring. This bridge crack degree of depth detection device, through four flexible subassemblies fixed on the four corners of box outer wall lower part, two bisymmetry of these flexible subassemblies can be greater than detection device at the crack and take out, can place the device on great crack.
Description
Technical Field
The utility model relates to a detect technical field, specifically be a bridge crack depth detection device.
Background
The cracks of the concrete bridge can be seen everywhere, and from the mechanical point of view, the cracks generally can not directly influence the bearing capacity of the concrete bridge, but can bury potential safety hazards into the bridge structure, and finally damage the structure of the bridge and shorten the service life of the bridge if the concrete bridge is allowed to develop. Therefore, it is necessary to analyze the cause of the crack generation in the concrete bridge structure and a crack detection method. Most concrete bridges are provided with cracks, small cracks generally have little influence on the structure and can allow the small cracks to exist, and large cracks indirectly or even directly influence the service life and the safety performance of the structure. China's standard has given certain restriction to crack problem to guarantee the normal use of concrete structure. The existing product cannot be placed when the crack is larger than the detection device, and is inconvenient to store.
Chinese authorized utility model publication (announcement) no: CN211012785U discloses a bridge crack depth detection device, this bridge crack depth detection device is through when carrying out the depth measurement to the great crack of pontic, at first place the bottom plane of horizontal frame on the bridge floor of the depth of measurement, then insert the depth measurement chi into the crack that will measure, the maximum width of depth measurement chi is 8mm, minimum width is 0.5mm, wholly be duckbilled structure, drive the slider and carry out vertical reciprocating when the depth measurement chi is at vertical migration, when the tip of depth measurement chi inserts the bottom of crack, rotate the locking screw on the slider, the tip of threaded rod is leaned on the face of gag lever post this moment, then take out the depth measurement chi from the crack, then look over the position that the depth measurement of horizontal frame place is, read numerical value, for the measuring depth of bridge crack. The existing product cannot be placed when the crack is larger than the detection device, and is inconvenient to store.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a bridge crack degree of depth detection device has solved the in-process that current bridge crack degree of depth detection device provided in the above-mentioned background art used in the reality, and the crack can take place to be greater than detection device and can't place to and the inconvenient condition of accomodating.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a lifting ring handle is fixed at the top of the box body, a tape measure is arranged in the box body, scales are arranged on the tape measure, the tape measure is fixed on a winding ring, a first retaining ring is fixed at one end of the winding ring, a second retaining ring is fixed at the other end of the winding ring, a first bearing and a second bearing are respectively fixed on two inner side walls of the box body, a rotating shaft is arranged between the first bearing and the second bearing and penetrates through the winding ring, the first retaining ring and the second retaining ring, the winding ring, the first retaining ring and the second retaining ring are fixed with the rotating shaft, a crank used for driving the rotating shaft to rotate is arranged on the outer wall of the box body, a cylindrical handle is fixed at one end of the crank, which is far away from the box body, four telescopic assemblies are fixed on the outer wall of the lower portion of the box body and consist of at least five sleeves, not less than five sleeves are connected with each other through threads, and the sleeves of the telescopic assemblies are sequentially reduced in proportion from outside to inside.
Furthermore, the one end that the cylindricality handle was kept away from to the crank runs through the box and is fixed with the one end of pivot, the handle of bail coats and is stamped the rubber leather sheath, the cylindricality handle coats and is stamped the rubber leather sheath.
Furthermore, the first bearing and the second bearing are symmetrically distributed on the inner walls of the two sides of the box body, and the inner rings of the first bearing and the second bearing are respectively fixed with the two ends of the rotating shaft.
Furthermore, the tape measure is a flexible steel tape, a gradually narrowing head is arranged on the tape measure, and the width of the gradually narrowing head is reduced in proportion from inside to outside.
Furthermore, a ruler opening is formed in the bottom of the box body, and a wear-resistant ring matched with the tape is fixed in the ruler opening.
Further, the wear-resistant ring is made of wear-resistant rubber.
Furthermore, the telescopic assemblies are symmetrical in pairs and fixed on four corners of the outer wall of the lower part of the box body.
Furthermore, a switch for braking the extension of the measuring tape is arranged on the wear-resisting ring.
Furthermore, the switch is a brake bolt, the brake bolt is in threaded connection with the wear-resisting ring, and a rubber pad is fixed at the braking end of the brake bolt.
(III) advantageous effects
The utility model provides a bridge crack depth detection device possesses following beneficial effect:
(1) this bridge crack degree of depth detection device through four flexible subassemblies fixed on the four corners of box outer wall lower part, and two bisymmetry of these flexible subassemblies can be greater than detection device in the crack and take out, can place the device on great crack.
(2) This bridge crack degree of depth detection device, through the tape measure and the tape measure internal fixation's that set up in the inside of box book the ring, and run through a roll ring, first fender ring and second keep off the pivot of ring, install on the inner ring of first bearing and second bearing through the pivot, and first bearing and second bearing symmetric distribution are on box both sides inner wall, fixed cylindricality handle on fixed crank and the crank in through the pivot, it can be with slowly stretching out of tape measure to rotate the cylindricality handle, reverse rotation can accomodate the inside at the box with the tape measure when using, both convenient accomodating has placed and have protected the tape measure, can withdraw flexible subassembly when not using, can practice thrift the space like this and make the device more conveniently place.
Drawings
FIG. 1 is a schematic structural diagram of the whole bridge crack depth detection device of the present invention;
FIG. 2 is a schematic structural view of a tape measure of the bridge crack depth detection device of the present invention;
fig. 3 is the utility model discloses bridge crack depth detection device's local schematic structure.
Fig. 4 is the utility model discloses bridge crack depth detection device's flexible subassembly's schematic structure diagram.
Fig. 5 is the utility model discloses bridge crack depth detection device's local schematic structure.
In the figure: the novel measuring tape comprises a box body 1, a lifting ring handle 2, a rolling ring 3, a first bearing 4, a first retaining ring 5, scales 6, a measuring tape 7, a telescopic assembly 8, a rotating shaft 9, a cylindrical handle 10, a crank 11, a second retaining ring 12, a second bearing 13, a wear-resistant ring 14 and a telescopic switch 15.
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.
Referring to fig. 1-3, the present invention provides a technical solution:
a bridge crack depth detection device comprises a box body 1, a lifting ring handle 2 is fixed at the top of the box body 1, a tape measure 7 is arranged inside the box body 1, a tape measure opening is formed in the bottom of the box body 1, and a wear-resistant ring 14 matched with the tape measure 7 is fixed in the tape measure opening; the wear-resistant ring 14 is made of wear-resistant rubber; a switch 15 for braking the extension and contraction of the measuring tape 7 is arranged on the wear-resisting ring 14; the switch 15 is a brake bolt, the brake bolt is in threaded connection with the wear-resistant ring 14, and a rubber pad 151 is fixed at the braking end of the brake bolt; the measuring tape 7 is a flexible steel tape, a gradually narrowing head is arranged on the measuring tape 7, and the width of the gradually narrowing head is reduced in proportion from inside to outside; the measuring tape 7 is provided with scales 6, the measuring tape 7 is fixed on the winding ring 3, one end of the winding ring 3 is fixed with a first baffle ring 5, the other end of the winding ring 3 is fixed with a second baffle ring 12, two inner side walls of the box body 1 are respectively fixed with a first bearing 4 and a second bearing 13, a rotating shaft 9 is arranged between the first bearing 4 and the second bearing 13, the first bearing 4 and the second bearing 13 are symmetrically distributed on the inner walls of two sides of the box body 1, and inner rings of the first bearing 4 and the second bearing 13 are respectively fixed with two ends of the rotating shaft 9; the rotating shaft 9 penetrates through the rolling ring 3, the first blocking ring 5 and the second blocking ring 12, the rolling ring 3, the first blocking ring 5 and the second blocking ring 12 are all fixed with the rotating shaft 9, a crank 11 used for driving the rotating shaft 9 to rotate is arranged on the outer wall of the box body 1, a cylindrical handle 10 is fixed at one end, away from the box body 1, of the crank 11, one end, away from the cylindrical handle 10, of the crank 11 penetrates through the box body 1 and is fixed with one end, away from the rotating shaft 9, of the crank 11 and the cylindrical handle 10 are fixed on the crank 11, the measuring tape 7 can be slowly extended out by rotating the cylindrical handle 10, the measuring tape 7 can be stored in the box body 1 by rotating reversely, and the measuring tape 7 can be conveniently stored and protected; the handle 2 of the lifting ring is covered with a rubber leather sleeve, and the cylindrical handle 10 is covered with a rubber leather sleeve; four telescopic assemblies 8 are fixed on the outer wall of the lower part of the box body 1, and the telescopic assemblies 8 are symmetrical in pairs and fixed on four corners of the outer wall of the lower part of the box body 1; the telescopic assembly 8 is composed of not less than five sleeves 801, the not less than five sleeves 801 are connected in pairs through threads, and the sleeves 801 of the telescopic assembly 8 are sequentially reduced in proportion from outside to inside. Through four telescopic assemblies 8 fixed on the four corners of the lower part of the outer wall of the box body 1, the telescopic assemblies 8 are symmetrical in pairs, and can be drawn out from the crack larger than the detection device, so that the device can be placed on a larger crack.
The working principle of the bridge crack depth detection device is that the box body 1 is placed at a crack, the cylindrical handle 10 is rotated to drive the crank 11 to rotate, the rotating shaft 9 fixed on the crank 11 is further driven to drive the rotating shaft 9, and further the first retaining ring 5, the second retaining ring 12 and the rolling ring 3 fixed on the rotating shaft 9 are driven to rotate, so that the tape 7 is wound on the rolling ring 3, the first retaining ring and the second retaining ring are mounted on inner rings of the first bearing 4 and the second bearing 13 through the rotating shaft 9, the first bearing 4 and the second bearing 13 are symmetrically distributed on inner walls of two sides of the box body 1, the cylindrical handle 10 can save labor during rotation, the tape 7 can be slowly stretched out by rotating the cylindrical handle 10 during use, the scale 6 is arranged on the tape 7, the crack depth of the tape can be clearly read, the tape 7 can be stored in the box body 1 by reversely rotating the cylindrical handle 10 after use, the tape 7 can be conveniently stored and placed, when the crack is greater than detection device, can take out four telescopic component 8 that fix on the four corners of 1 outer wall lower part of box, can place the device on great crack.
It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The bridge crack depth detection device comprises a box body (1) and is characterized in that a lifting ring handle (2) is fixed at the top of the box body (1), a tape (7) is arranged inside the box body (1), scales (6) are arranged on the tape (7), the tape (7) is fixed on a rolling ring (3), a first retaining ring (5) is fixed at one end of the rolling ring (3), a second retaining ring (12) is fixed at the other end of the rolling ring (3), a first bearing (4) and a second bearing (13) are respectively fixed on two inner side walls of the box body (1), a rotating shaft (9) is arranged between the first bearing (4) and the second bearing (13), the rotating shaft (9) penetrates through the rolling ring (3), the first retaining ring (5) and the second retaining ring (12), and the rolling ring (3), the first retaining ring (5) and the second retaining ring (12) are fixed with the rotating shaft (9), be provided with on the outer wall of box (1) and be used for driving pivot (9) pivoted crank (11), the one end that box (1) was kept away from in crank (11) is fixed with cylindricality handle (10), the outer wall of box (1) lower part is fixed with four flexible subassemblies (8), flexible subassembly (8) comprises by sleeve (801) that are no less than five, is no less than five sleeve (801) and all passes through threaded connection between two liang, and sleeve (801) of flexible subassembly (8) are the scale reduction from outside to inside in proper order.
2. The bridge crack depth detection device according to claim 1, characterized in that one end of the crank (11) far away from the cylindrical handle (10) penetrates through the box body (1) and is fixed with one end of the rotating shaft (9), the bail handle (2) is covered with a rubber leather sheath, and the cylindrical handle (10) is covered with a rubber leather sheath.
3. The bridge crack depth detection device according to claim 1, wherein the first bearing (4) and the second bearing (13) are symmetrically distributed on the inner walls of the two sides of the box body (1), and inner rings of the first bearing (4) and the second bearing (13) are respectively fixed with two ends of the rotating shaft (9).
4. The bridge crack depth detection device of claim 1, wherein the measuring tape (7) is a flexible steel tape, and a gradually narrowing head part is arranged on the measuring tape (7), and the width of the gradually narrowing head part is reduced in proportion from inside to outside.
5. The bridge crack depth detection device of claim 1, wherein a ruler opening is formed in the bottom of the box body (1), and a wear-resistant ring (14) matched with the tape measure (7) is fixed in the ruler opening.
6. The bridge crack depth detection device of claim 5, wherein the wear-resistant ring (14) is made of wear-resistant rubber.
7. The bridge crack depth detection device of claim 1, wherein the telescopic assemblies (8) are symmetrical in pairs and fixed at four corners of the outer wall of the lower part of the box body (1).
8. The bridge crack depth detection device of claim 5, characterized in that the wear-resistant ring (14) is provided with a switch (15) for extending and retracting the brake tape (7).
9. The bridge crack depth detection device of claim 8, wherein the switch (15) is a brake bolt, the brake bolt is screwed on the wear-resistant ring (14), and a rubber pad (151) is fixed at the brake end of the brake bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428005.8U CN213631922U (en) | 2020-10-28 | 2020-10-28 | Bridge crack depth detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428005.8U CN213631922U (en) | 2020-10-28 | 2020-10-28 | Bridge crack depth detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213631922U true CN213631922U (en) | 2021-07-06 |
Family
ID=76625017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428005.8U Expired - Fee Related CN213631922U (en) | 2020-10-28 | 2020-10-28 | Bridge crack depth detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213631922U (en) |
-
2020
- 2020-10-28 CN CN202022428005.8U patent/CN213631922U/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 |
Granted publication date: 20210706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |