CN221198262U - Concrete crack width gauge - Google Patents
Concrete crack width gauge Download PDFInfo
- Publication number
- CN221198262U CN221198262U CN202323397925.8U CN202323397925U CN221198262U CN 221198262 U CN221198262 U CN 221198262U CN 202323397925 U CN202323397925 U CN 202323397925U CN 221198262 U CN221198262 U CN 221198262U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- concrete crack
- handle
- detecting head
- crack width
- 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.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000000523 sample Substances 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a concrete crack width measuring instrument which comprises a host machine, a detecting head and a handle, wherein a data line is connected between the host machine and the detecting head, the outer side wall of the detecting head is rotatably connected with a positioning cylinder through a bearing, one end of the positioning cylinder, which is close to a lens of the detecting head, is of an open design, and one end of the handle is fixedly connected with a multi-section telescopic rod. According to the utility model, the main machine, the detecting head, the positioning cylinder, the handle, the multi-section telescopic rod, the rotary driving assembly and the fixing assembly are arranged, the main machine can be directly fixed on an arm through the fixing assembly, then the handle is held by the hand of the main machine, the multi-section telescopic rod is extended, the detecting head is placed at a position where the hand cannot directly touch to measure the concrete crack, at the moment, the other hand is liberated, the main machine can be operated to measure, and the angle of the detecting head is adjusted through the rotary driving assembly during measurement, so that the width gauge is simpler and more convenient to use.
Description
Technical Field
The utility model relates to the technical field of concrete crack measurement, in particular to a concrete crack width gauge.
Background
The crack width gauge is a special instrument for detecting the width of cracks and microscopic defects on the surface of a concrete structure. When the crack width measuring instrument is used, the display screen and the measuring probe are connected through a cable, the power switch is turned on, the measuring probe is placed on a crack, an amplified crack image can be seen on the display screen, the measuring probe is slightly rotated to enable the crack image to be perpendicular to the graduated scale, and the crack width value is read according to the length of a graduated mark occupied by the crack image.
When the conventional width gauge is used, one hand holds the measuring probe to be placed on the crack, and the other hand operates the host computer, so that the operation is slightly inconvenient. Secondly, if the measured concrete crack position is far away, the hand can not directly put measuring probe in crack position to be measured, leads to measuring to have certain difficulty, so some width gauges at present can set up the extension rod, utilize the extension rod to put measuring probe in crack position to be measured, but inconvenient turned angle again after measuring probe extends away, let crack image and scale mark perpendicular, use has a great deal of inconvenience. Therefore, the utility model provides a concrete crack width measuring instrument.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a concrete crack width measuring instrument.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a concrete crack width gauge, includes host computer and detecting head and handle, be connected with the data line between host computer and the detecting head, the detecting head lateral wall is connected with the location section of thick bamboo through the bearing rotation, the location section of thick bamboo is close to detecting head camera lens one end and is open design, handle one end fixedly connected with multisection telescopic link, location section of thick bamboo lateral wall fixedly connected with and multisection telescopic link fixedly connected with's screw rod, detecting head lateral wall fixedly connected with driven gear, location section of thick bamboo lateral wall just keeps away from screw rod one side fixedly connected with side casing, the inside rotary driving subassembly that is provided with of side casing drive detecting head pivoted, host computer lower surface fixedly connected with is used for installing the fixed subassembly on the arm with the host computer.
Further, the surface of the end, far away from the handle, of the multi-section telescopic rod is connected with an internal thread sleeve in a sliding manner, and the internal thread sleeve is rotationally connected with the screw rod.
Further, the multisection telescopic link keeps away from handle one end fixedly connected with baffle, and the baffle is located inside the internal thread cover.
Further, the rotary driving assembly comprises a speed reducer fixed in the side shell, the output shaft of the speed reducer is fixedly connected with a driving gear, a notch is formed in one side, close to the driven gear, of the side shell, the driven gear penetrates through the notch to be meshed with the driving gear, and the input end of the speed reducer is fixedly connected with a miniature motor.
Further, the fixed subassembly is including being fixed in the T type guide rail of host computer lower surface, T type guide rail surface sliding connection has two sliding sleeves, two equal fixedly connected with bandage in sliding sleeve surface, and two bandage surface fixedly connected with public magic subsides and female magic subsides respectively.
Further, two sliding sleeve lateral wall middle parts all run through and the screw thread rotates to be connected with the lock bolt.
Furthermore, the two ends of the T-shaped guide rail are fixedly connected with end plates.
The utility model has the beneficial effects that:
When the concrete crack width measuring instrument is used, the main machine, the detecting head, the positioning cylinder, the handle, the multi-section telescopic rod, the rotary driving assembly and the fixing assembly are arranged, the main machine can be directly fixed on an arm through the fixing assembly, then the handle is held by the hand of the main machine, the multi-section telescopic rod stretches, the detecting head is placed at a position where the hand cannot directly touch to measure the concrete crack, at the moment, the other hand is liberated, the main machine can be operated to measure, and the angle of the detecting head is adjusted through the rotary driving assembly during measurement, so that the width measuring instrument is simpler and more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1: the overall schematic of the utility model;
Fig. 2: a partial enlarged view of the present utility model;
Fig. 3: the host machine front view of the utility model;
fig. 4: the fixing assembly of the present utility model is a perspective view.
The reference numerals are as follows:
1. A host; 2. a probe; 3. a positioning cylinder; 4. a data line; 5. a handle; 6. a multi-section telescopic rod; 7. a baffle; 8. a screw; 9. an internal thread sleeve; 10. a driven gear; 11. a side case; 12. a notch; 13. a speed reducer; 14. a drive gear; 15. a micro motor; 16. a T-shaped guide rail; 17. a sliding sleeve; 18. a strap; 19. a locking bolt; 20. end plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, relate to a concrete crack width gauge, including host computer 1 and detecting head 2 and handle 5, be connected with data line 4 between host computer 1 and the detecting head 2, detecting head 2 lateral wall is connected with location section of thick bamboo 3 through the bearing rotation, location section of thick bamboo 3 is for uncovered design near detecting head 2 camera lens one end, handle 5 one end fixedly connected with multisection telescopic link 6, location section of thick bamboo 3 lateral wall fixedly connected with and multisection telescopic link 6 fixedly connected with's screw rod 8, detecting head 2 lateral wall fixedly connected with driven gear 10, location section of thick bamboo 3 lateral wall and be away from screw rod 8 one side fixedly connected with side casing 11, side casing 11 inside is provided with the rotatory drive assembly of drive detecting head 2 rotation, host computer 1 lower surface fixedly connected with is used for installing the fixed subassembly on the arm with host computer 1.
As shown in fig. 1-2, the surface of one end of the multi-section telescopic rod 6 far away from the handle 5 is connected with an internal thread sleeve 9 in a sliding manner, and the internal thread sleeve 9 is connected with a screw rod 8 in a rotating manner.
The internal thread sleeve 9 is screwed on the surface of the screw rod 8, so that the multi-section telescopic rod 6 and the screw rod 8 can be fixedly connected, the handle 5 can be held by hand, the multi-section telescopic rod 6 is lengthened, and the probe 2 is placed at a farther place for measurement. The multi-section telescopic rod 6 is formed by sleeving a plurality of circular tubes with different inner diameters, and damping is arranged between two adjacent circular tubes in a sliding manner, so that the multi-section telescopic rod 6 is prevented from freely stretching and contracting under the action of external force.
As shown in fig. 1-2, a baffle 7 is fixedly connected to one end of the multi-section telescopic rod 6 far away from the handle 5, and the baffle 7 is positioned inside the internal thread sleeve 9.
The baffle 7 can prevent the internal thread sleeve 9 from separating from the multi-section telescopic rod 6.
As shown in fig. 1-2, the rotary driving assembly comprises a speed reducer 13 fixed in a side shell 11, an output shaft of the speed reducer 13 is fixedly connected with a driving gear 14, a gap 12 is formed in one side, close to a driven gear 10, of the side shell 11, the driven gear 10 penetrates through the gap 12 to be meshed with the driving gear 14, and an input end of the speed reducer 13 is fixedly connected with a micro motor 15.
When the detecting head 2 measures, the micro motor 15 can be driven, after the speed of the speed reducer 13 is reduced, the driving gear 14 is driven to rotate, and the driving gear 14 drives the driven gear 10 to rotate, so that the rotation of the detecting head 2 is realized.
As shown in fig. 3-4, the fixing component comprises a T-shaped guide rail 16 fixed on the lower surface of the host machine 1, two sliding sleeves 17 are slidably connected to the surface of the T-shaped guide rail 16, binding bands 18 are fixedly connected to the surfaces of the two sliding sleeves 17, and a male magic tape and a female magic tape are fixedly connected to the surfaces of the two binding bands 18 respectively.
The host 1 can be fixed on the arm through the binding belt 18, and the thickness of the arms of different people is different, so that the distance between the two sliding sleeves 17 can be adjusted through the sliding sleeve 17 to adapt to different people.
As shown in fig. 4, the middle parts of the side walls of the two sliding sleeves 17 penetrate through, and a locking bolt 19 is connected in a threaded rotation mode.
After the position of the sliding sleeve 17 is adjusted, the locking bolt 19 can be screwed down to fix the sliding sleeve 17.
As shown in fig. 4, the end plates 20 are fixedly connected to both ends of the T-shaped guide rail 16. The sliding sleeve 17 is prevented from being separated from the T-shaped guide rail 16 by providing the end plate 20.
Working principle: firstly, two ends of a data wire 4 are respectively inserted into interfaces of a host 1 and a detecting head 2, then an internal thread sleeve 9 on the end of a multi-section telescopic rod 6 is screwed onto a screw rod 8 on the side wall of a positioning cylinder 3, after the assembly is completed, the host 1 is bound on an arm of one hand through a binding belt 18, the handle 5 is held by the hand, the multi-section telescopic rod 6 is lengthened, the positioning cylinder 3 is placed on a crack position to be detected during measurement, the host 1 is operated by the other hand for measurement, if the crack is not perpendicular to a scale mark on the host 1, a micro motor 15 can be started to drive the detecting head 2 to slowly rotate, the angle of the detecting head 2 is adjusted until the crack is perpendicular to the scale mark on the host 1, and then reading is carried out.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a concrete crack width gauge, includes host computer (1) and detecting head (2) and handle (5), its characterized in that: the novel digital optical fiber detector is characterized in that a data line (4) is connected between the host computer (1) and the detector head (2), the outer side wall of the detector head (2) is rotationally connected with a positioning cylinder (3) through a bearing, one end of the positioning cylinder (3) close to a lens of the detector head (2) is of an open design, one end of a handle (5) is fixedly connected with a multi-section telescopic rod (6), the outer side wall of the positioning cylinder (3) is fixedly connected with a screw (8) fixedly connected with the multi-section telescopic rod (6), the outer side wall of the detector head (2) is fixedly connected with a driven gear (10), the outer side wall of the positioning cylinder (3) is fixedly connected with a side shell (11) far away from the screw (8), a rotary driving component for driving the detector head (2) to rotate is arranged inside the side shell (11), and the lower surface of the host computer (1) is fixedly connected with a fixing component for installing the host computer (1) on an arm.
2. A concrete crack width gauge as defined in claim 1, wherein: the surface of one end, far away from the handle (5), of the multi-section telescopic rod (6) is connected with an internal thread sleeve (9) in a sliding manner, and the internal thread sleeve (9) is rotationally connected with a screw rod (8).
3. A concrete crack width gauge as defined in claim 2, wherein: one end of the multi-section telescopic rod (6) far away from the handle (5) is fixedly connected with a baffle (7), and the baffle (7) is positioned in the inner threaded sleeve (9).
4. A concrete crack width gauge as defined in claim 1, wherein: the rotary driving assembly comprises a speed reducer (13) fixed inside a side shell (11), the output shaft of the speed reducer (13) is fixedly connected with a driving gear (14), a notch (12) is formed in one side, close to the driven gear (10), of the side shell (11), the driven gear (10) penetrates through the notch (12) to be meshed with the driving gear (14), and the input end of the speed reducer (13) is fixedly connected with a miniature motor (15).
5. A concrete crack width gauge as defined in claim 1, wherein: the fixing assembly comprises a T-shaped guide rail (16) fixed on the lower surface of the host machine (1), two sliding sleeves (17) are connected to the surface of the T-shaped guide rail (16) in a sliding mode, binding bands (18) are fixedly connected to the surfaces of the two sliding sleeves (17), and a male magic tape and a female magic tape are fixedly connected to the surfaces of the two binding bands (18) respectively.
6. The concrete crack width gauge according to claim 5, wherein: the middle parts of the side walls of the two sliding sleeves (17) are penetrated, and locking bolts (19) are connected in a threaded rotation mode.
7. The concrete crack width gauge according to claim 5, wherein: end plates (20) are fixedly connected to two ends of the T-shaped guide rail (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397925.8U CN221198262U (en) | 2023-12-13 | 2023-12-13 | Concrete crack width gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397925.8U CN221198262U (en) | 2023-12-13 | 2023-12-13 | Concrete crack width gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221198262U true CN221198262U (en) | 2024-06-21 |
Family
ID=91495403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323397925.8U Active CN221198262U (en) | 2023-12-13 | 2023-12-13 | Concrete crack width gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221198262U (en) |
-
2023
- 2023-12-13 CN CN202323397925.8U patent/CN221198262U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208026218U (en) | A kind of optical fibre displacement sensor | |
| CN221198262U (en) | Concrete crack width gauge | |
| CN214952145U (en) | Comprehensive performance measuring instrument for circular wave speed reducer | |
| CN217211924U (en) | Corrugated pipe compressive strength testing device | |
| CN110031031B (en) | Probe fixing device of optical fiber sensor | |
| CN219736308U (en) | Crack width gauge for bridge detection | |
| CN211477102U (en) | A straightness detection device that hangs down for building engineering quality detects | |
| CN211346748U (en) | Diameter measuring device for engineering cost | |
| CN220772054U (en) | Measuring device | |
| CN218511933U (en) | Pressure measurement assistance-localization real-time structure | |
| CN221279101U (en) | Cement concrete pavement sensor mounting bracket | |
| CN207351378U (en) | A kind of building template flatness detection ruler | |
| CN215865609U (en) | Pore water pressure testing device | |
| CN221404144U (en) | Hatch frame ring machining dimension measuring device | |
| CN217005607U (en) | Construction engineering quality inspection ruler | |
| CN211824290U (en) | Oil casing depth measuring device | |
| CN219495772U (en) | Convenient stable operation's aviation oil sample cylinder | |
| CN217032311U (en) | Testing device for measuring depth of single-pile embedded seabed | |
| CN221238945U (en) | Water quality detection probe | |
| CN217424312U (en) | White light interferometer for large-size morphology measuring instrument | |
| CN210512967U (en) | Device for measuring deflection angle of object in plane | |
| CN218937953U (en) | Tensile testing machine | |
| CN221377984U (en) | Continuous Liang Kongdao grouting plumpness monitoring equipment based on optical fibers | |
| CN214583255U (en) | Novel dipperstick for electric power engineering | |
| CN211205170U (en) | Wall detection device for interior decoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |