CN219606576U - Building crack detection device - Google Patents
Building crack detection device Download PDFInfo
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- CN219606576U CN219606576U CN202321969968.6U CN202321969968U CN219606576U CN 219606576 U CN219606576 U CN 219606576U CN 202321969968 U CN202321969968 U CN 202321969968U CN 219606576 U CN219606576 U CN 219606576U
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Abstract
The utility model is applicable to the technical field of building detection equipment, and provides a building crack detection device, which comprises: the positioning base is provided with a sliding column at the top, the sliding column rotates outside, the sliding sleeve is provided with an adjusting sleeve, and an elastic piece is arranged between the adjusting sleeve and the sliding column; the two clamping pieces are connected to the adjusting sleeve in a sliding mode, are arranged in an axisymmetric mode relative to the axis of the adjusting sleeve, each clamping piece comprises a rack and a clamping head arranged at the end portion of the rack and used for clamping the detection probe, a gear meshed with the two racks is rotatably connected to the adjusting sleeve, and the gear is arranged between the two racks.
Description
Technical Field
The utility model relates to the technical field of building detection equipment, in particular to a building crack detection device.
Background
At present, the total amount of engineering safety accidents is high, cracks appear in concrete and are a main hazard of the structure, and on one hand, the development of the cracks leads to the decrease of rigidity and the increase of brittleness of the structure, so that the service performance of the structure is reduced. On the other hand, the aging effect of the environment on the structure is possibly accelerated, the surface protection layer is peeled off, and the durability of the structure is affected; the detection of the crack of the concrete structure in the current engineering field mainly adopts a concrete crack detection device, and the device can identify, extract and calculate the width of the crack and accurately obtain the position of the crack.
In the prior art, in order to ensure the accuracy of the detection of the depth of the crack, two detection probes are required to be pressed on two sides of the crack manually, then the distance from the detection probes to the inside of the crack is detected through the transmitting detection probes and the receiving detection probes, and then the depth of the crack to be detected is obtained through the Pythagorean theorem (see figure 6), but when the two detection probes are used, the distance between the detection probes and the crack on the wall surface is required to be measured manually, and the same distance between the two detection probes is ensured, so that the obtained depth of the crack is accurate, but in the frequent adjustment process, the distance between the detection probes is difficult to be completely consistent, and the accuracy of the detection of the depth of the crack is influenced.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the building crack detection device, which can realize synchronous displacement by arranging two symmetrically arranged clamping heads and respectively clamping the two detection probes on the two clamping heads, so that the distances of the clamping heads reaching the center point are ensured to be the same, the detection accuracy of the detection probes is improved, the crack detection process is more convenient, and the errors in manual adjustment and measurement are reduced.
In order to achieve the above object, the present utility model provides a construction crack detection device comprising: the positioning base is provided with a sliding column at the top, an adjusting sleeve is sleeved outside the sliding column, and an elastic piece for keeping the adjusting sleeve away from the positioning base is arranged between the adjusting sleeve and the sliding column; the two clamping pieces are connected to the adjusting sleeve in a sliding mode, the two clamping pieces are arranged in an axisymmetric mode relative to the axis of the adjusting sleeve, each clamping piece comprises a rack and a clamping head which is arranged at the end portion of the rack and used for clamping the detecting probe, a gear meshed with the two racks is connected to the adjusting sleeve in a rotating mode, and the gear is arranged between the two racks.
According to the building crack detection device disclosed by the utility model, the elastic piece is a thrust spring, the center of the bottom of the positioning base is provided with the thimble, the top of the gear is provided with the handle, the top of the sliding column is provided with the first limit flange, the bottom of the adjusting sleeve is provided with the sliding hole matched with the first limit flange, the bottom of the sliding hole is provided with the second limit flange matched with the first limit flange, and the thrust spring is arranged between the bottom of the sliding hole and the top of the sliding column.
According to the building crack detection device, the clamping head is of a sleeve structure, and the sliding block for clamping the detection probe is slidably arranged in the sleeve.
According to the building crack detection device disclosed by the utility model, the side wall of the inside of the clamping head is provided with the notch, the inner wall of the notch is provided with the two through holes, the sliding block is slidably connected in the inside of the notch, the outer side of the sliding block is provided with the two sliding columns which are slidably matched with the through holes, and the sliding columns are sleeved with the clamping springs which push the sliding block to the inside of the clamping head.
According to the building crack detection device disclosed by the utility model, the bottom of the sliding block is provided with the guide bevel edge, the bottom of the inner side of the sliding block is provided with the stress part, the stress part is made of rubber, the inner side of the sliding block is of an arc-shaped structure, a threaded hole is formed between the two through holes, and a fixing screw for fixing the position of the sliding block is screwed in the threaded hole.
According to the building crack detection device disclosed by the utility model, the cross rod is arranged at one end of the rack, which is far away from the clamping head, and one end of the cross rod is slidably sleeved on the other rack.
The utility model provides a building crack detection device, which comprises: the positioning base is provided with a sliding column at the top, an adjusting sleeve is arranged on the sliding column in a rotating way, the adjusting sleeve can rotate and slide on the sliding column, and an elastic piece for keeping the adjusting sleeve away from the positioning base is arranged between the adjusting sleeve and the sliding column; the two clamping pieces are in axisymmetric arrangement relative to the axis of the adjusting sleeve, so that the two clamping pieces can clamp the emission detection probes and the clamping detection probes respectively, the center positions of the two detection probes from the positioning base are the same, errors caused by manual measurement are reduced, the clamping pieces comprise a rack and clamping heads which are arranged at the ends of the rack and clamp the detection probes, a gear meshed with the two racks is rotationally connected to the adjusting sleeve, the gear is arranged between the two racks, the distance between the two clamping pieces and the center of the positioning base is adjusted through rotating the gear, the consistency of movement of the two clamping pieces is realized, and the technical effects of the two detection probes are realized by arranging the two symmetrically arranged clamping heads and synchronously displacing the two detection probes respectively, so that the distance between the two clamping heads to the center point is the same, the accuracy of detection of the detection probes is increased, the crack detection process is more convenient, and errors caused by manual measurement and adjustment and measurement are reduced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is a schematic perspective view of a clamping member according to the present utility model;
FIG. 5 is a schematic perspective view of a slider of the present utility model;
FIG. 6 is a schematic diagram of crack depth calculation in accordance with the present utility model;
in the figure, 1-clamping piece, 11-cross bar, 12-rack, 13-through hole, 14-threaded hole, 15-clamping head, 2-slider, 21-slide column, 22-guiding bevel edge, 23-stress part, 3-positioning base, 31-thimble, 32-slide column, 4-adjusting sleeve, 5-handle, 51-gear, 6-thrust spring, 7-clamping spring, 8-set screw, 9-emission detection probe, 10-receiving detection probe.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1, 2, 3 and 4, the present utility model provides a construction crack detection device, which includes a positioning base 3, a sliding column 32 is disposed at the top of the positioning base, an adjusting sleeve 4 is disposed on the sliding column 32 in a rotating manner, so as to ensure that the adjusting sleeve 4 can rotate and slide on the sliding column 32, and an elastic member for separating the adjusting sleeve 4 from the positioning base 3 is disposed between the adjusting sleeve 4 and the sliding column 32; the two clamping pieces 1 are connected to the adjusting sleeve 4 in a sliding mode, the two clamping pieces 1 are arranged in an axisymmetric mode relative to the axis of the adjusting sleeve 4, the fact that the transmitting detection probe 9 and the clamping detection probe can be clamped through the two clamping pieces 1 is guaranteed, then the two detection probes are identical to the center position of the positioning base 3, errors in manual measuring and positioning are reduced, the clamping pieces 1 comprise a rack 12 and a clamping head 15 which is arranged at the end portion of the rack 12 and clamps the detection probes, a gear 51 meshed with the rack 12 is connected to the adjusting sleeve 4 in a rotating mode, the gear 51 is arranged between the two racks 12, the fact that the distance between the two clamping pieces 1 and the center of the positioning base 3 is adjusted through rotating the gear 51 is guaranteed, and the moving consistency of the two clamping pieces 1 is achieved.
Preferably, the elastic piece of the utility model is a thrust spring 6, the bottom center of the positioning base is provided with a thimble 31, the thimble 31 is matched with a crack to be measured, the center of the positioning base 3 is always located on the crack, the top of the gear 51 is provided with a handle 5, the positions of the two clamping heads 15 are adjusted by rotating the handle 5, the positions of the two clamping heads 15 can be synchronously adjusted, the distance between the two clamping heads 15 and the center of the positioning base 3 is kept consistent, the top of the sliding column 32 is provided with a first limit flange, the bottom of the adjusting sleeve 4 is provided with a sliding hole matched with the first limit flange, the bottom of the sliding hole is provided with a second limit flange matched with the first limit flange, the adjusting sleeve 4 is prevented from being separated from the sliding column 32, and the thrust spring 6 is arranged between the bottom of the sliding hole and the top of the sliding column 32, so that the adjusting sleeve 4 is kept away from the positioning base 3 under the action of the thrust spring.
Referring to fig. 1, fig. 4 and fig. 5, in addition, the clamping head 15 of the present utility model is of a sleeve structure, a slide block 2 for compressing and clamping the detection probe is slidably disposed in the sleeve, a notch is disposed on a side wall of the inner portion of the clamping head 15, two through holes 13 are disposed on an inner wall of the notch, the slide block 2 is slidably connected to the inner portion of the notch, two slide columns 21 slidably engaged with the through holes 13 are disposed on an outer side of the slide block 2, and a clamping spring 7 for pushing the slide block 2 toward the inner portion of the clamping head 15 is sleeved on the slide column 21, so that the slide block 2 can compress and clamp the detection probe, and displacement of the detection probe is prevented from affecting a contact effect between the detection probe and a building surface.
Furthermore, the bottom of the sliding block 2 is provided with the guiding bevel edge 22, so that the detection probe to be installed is guided, the detection probe is convenient to install, the bottom of the inner side of the sliding block 2 is provided with the stress part 23, the stress part 23 is made of rubber, the detection probe is clamped and protected through the stress part 23, the damage of the sliding block 2 to the detection probe during clamping is prevented, the inner side of the sliding block 2 is of an arc-shaped structure, the fit between the inner side of the sliding block 2 and the detection probe is ensured, the fixing stability of the detection probe is ensured, a threaded hole 14 is formed between the two through holes 13, a fixing screw 8 for fixing the position of the sliding block 2 is screwed into the threaded hole 14, after the position adjustment of the detection probe is finished, the sliding block 2 is kept in a pressed state by adjusting the fixing screw 8, the detection probe is convenient to be tightly adhered to a building surface layer by the subsequent detection probe, one end of the rack 12 far away from the clamping head 15 is provided with the cross bar 11, one end of the cross bar 11 is slidingly sleeved on the other rack 12, the fit between the two racks 12 is ensured, and the detection probe is prevented from being influenced by the inclination of the detection probe 12 when the detection probe is pressed to the building surface.
In this embodiment, referring to fig. 1 to 6, when in use, firstly, the transmitting detection probe 9 and the receiving detection probe 10 for measurement are inserted into the clamping heads, after the positions of the two detection probes are adjusted, the slide block 2 is tightly pressed against the two detection probes by screwing the fixing screw 8, then the distance between the two clamping heads is adjusted to a proper position by the artificial handle 5, the position of the crack to be detected is determined, then the thimble 31 is inserted into the corresponding crack, then the adjusting sleeve 4 is rotated, the two clamping heads are adjusted to a proper position, the adjusting sleeve 4 is tightly pressed downwards by people, the two detection probes at this time are tightly attached to the building surface under the action of pressure, then the depth of the crack is detected by the instrument, and when in detection, since the distance l from the two detection probes to the center of the positioning base 3 is known, then the instrument measures the distance b between the deepest part of the crack and the detection probes by the acoustic wave conduction characteristic (the prior art, which is not repeated), the depth h of the crack can be definitely obtained by the Pythagorean theorem 2 =b 2 -l 2 Thereby calculating the depth h of the crack and completing the measurement process.
In summary, the present utility model provides a device for detecting a crack in a building, including: the positioning base is provided with a sliding column at the top, an adjusting sleeve is arranged on the sliding column in a rotating way, the adjusting sleeve can rotate and slide on the sliding column, and an elastic piece for keeping the adjusting sleeve away from the positioning base is arranged between the adjusting sleeve and the sliding column; the two clamping pieces are in axisymmetric arrangement relative to the axis of the adjusting sleeve, so that the two clamping pieces can clamp the emission detection probes and the clamping detection probes respectively, the center positions of the two detection probes from the positioning base are the same, errors caused by manual measurement are reduced, the clamping pieces comprise a rack and clamping heads which are arranged at the ends of the rack and clamp the detection probes, a gear meshed with the two racks is rotationally connected to the adjusting sleeve, the gear is arranged between the two racks, the distance between the two clamping pieces and the center of the positioning base is adjusted through rotating the gear, the consistency of movement of the two clamping pieces is realized, and the technical effects of the two detection probes are realized by arranging the two symmetrically arranged clamping heads and synchronously displacing the two detection probes respectively, so that the distance between the two clamping heads to the center point is the same, the accuracy of detection of the detection probes is increased, the crack detection process is more convenient, and errors caused by manual measurement and adjustment and measurement are reduced.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Claims (6)
1. A construction crack detection device, comprising:
the positioning base is provided with a sliding column at the top, an adjusting sleeve is sleeved outside the sliding column, and an elastic piece for keeping the adjusting sleeve away from the positioning base is arranged between the adjusting sleeve and the sliding column;
the two clamping pieces are connected to the adjusting sleeve in a sliding mode, the two clamping pieces are arranged in an axisymmetric mode relative to the axis of the adjusting sleeve, each clamping piece comprises a rack and a clamping head which is arranged at the end portion of the rack and used for clamping the detecting probe, a gear meshed with the two racks is connected to the adjusting sleeve in a rotating mode, and the gear is arranged between the two racks.
2. The building crack detection device according to claim 1, wherein the elastic piece is a thrust spring, a thimble is arranged at the bottom center of the positioning base, a handle is arranged at the top of the gear, a first limit flange is arranged at the top of the sliding column, a sliding hole matched with the first limit flange is arranged at the bottom of the adjusting sleeve, a second limit flange matched with the first limit flange is arranged at the bottom of the sliding hole, and the thrust spring is arranged between the bottom of the sliding hole and the top of the sliding column.
3. The construction crack detection device according to claim 1, wherein the clamping head is of a sleeve structure, and a slider for clamping the detection probe is slidably provided in the sleeve.
4. The building crack detection device according to claim 3, wherein a notch is formed in the side wall of the inside of the clamping head, two through holes are formed in the inner wall of the notch, the sliding block is slidably connected to the inside of the notch, two sliding columns in sliding fit with the through holes are arranged on the outer side of the sliding block, and clamping springs for pushing the sliding block to the inside of the clamping head are sleeved on the sliding columns.
5. The building crack detection device according to claim 4, wherein a guiding bevel edge is arranged at the bottom of the sliding block, a stress part is arranged at the bottom of the inner side of the sliding block, the stress part is made of rubber, the inner side of the sliding block is of an arc-shaped structure, a threaded hole is formed between the two through holes, and a fixing screw for fixing the position of the sliding block is screwed in the threaded hole.
6. The building crack detection device according to any one of claims 1-5, wherein a cross rod is arranged at one end of the rack away from the clamping head, and one end of the cross rod is slidably sleeved on the other rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969968.6U CN219606576U (en) | 2023-07-26 | 2023-07-26 | Building crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969968.6U CN219606576U (en) | 2023-07-26 | 2023-07-26 | Building crack detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219606576U true CN219606576U (en) | 2023-08-29 |
Family
ID=87741588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321969968.6U Active CN219606576U (en) | 2023-07-26 | 2023-07-26 | Building crack detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219606576U (en) |
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2023
- 2023-07-26 CN CN202321969968.6U patent/CN219606576U/en active Active
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