CN218098933U - Prefabricated component grout plumpness detection device of assembled building - Google Patents
Prefabricated component grout plumpness detection device of assembled building Download PDFInfo
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- CN218098933U CN218098933U CN202221788836.9U CN202221788836U CN218098933U CN 218098933 U CN218098933 U CN 218098933U CN 202221788836 U CN202221788836 U CN 202221788836U CN 218098933 U CN218098933 U CN 218098933U
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Abstract
The utility model discloses an assembly type structure prefabricated component plumpness detection device that is in milk, it includes: the injection device comprises a syringe and an injection catheter, wherein the injection catheter is connected with an injection end of the syringe; the scale paste is arranged on the injector, and scales are marked on the scale paste along the injection direction of the injector according to the unit length; the endoscope comprises a probe pipeline, and two ends of the probe pipeline are respectively connected with the endoscope host and the endoscope probe. The utility model discloses an assembly type structure prefabricated component plumpness detection device that is in milk, it includes: the injection device adopts an endoscope, so that the condition inside the sleeve can be directly reflected, the fullness degree can be qualitatively detected, the photographic record can be realized, the picture can be attached to the detection report, and the intuitiveness of the detection report is improved; by adopting the method of internally injecting the concrete curing liquid, the filling degree of grouting can be quantitatively detected, and the confidence level and authority of a detection report are increased.
Description
Technical Field
The utility model belongs to assembly type house construction detection area, concretely relates to prefabricated component grout plumpness detection device of assembly type structure.
Background
The quality of a vertical connecting node of a PC component in the construction process of an assembly type building is a main control project of the quality of the assembly type building, at present, common methods for detecting grouting fullness include an X-ray method, a pre-embedded steel wire method and an industrial endoscopy method, and the X-ray method mainly utilizes X-rays to penetrate a detection point for imaging and judges the grouting fullness degree and is more intuitive, but the detection has high requirement on the operation site environment, the detection process is complex, the detection efficiency is poor, certain radiation risk exists on people, and at present, the detection can only be realized by depending on a third party; for the embedded steel wire method, steel strands are embedded in the grouting process, and a drawing instrument is adopted to detect the pulling resistance after the grouting material reaches the design strength, so that the method has long inspection period, certain destructiveness and complex inspection process, and special instruments are required to be generally matched with a third party for inspection; the industrial endoscopy method has wide applicability, detection points are randomly extracted, holes are drilled into the sleeve along the grout outlet, the endoscope with the measuring lens is adopted, the distance from the liquid level of the grouting in the measuring hole to the lower edge of the grout outlet is used as an evaluation standard, the detection method is convenient and fast in means, but the requirement on the endoscope for detection is high, the lens needs to have a measuring function, equipment meeting the detection requirement on the market needs tens of thousands of yuan, and the method is high in maintenance and use cost and is not suitable for comprehensive popularization. Therefore, the detection method is simple and convenient to operate, low in use cost and very necessary for quickly judging the grouting fullness in a construction site.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides an easy and simple to handle, low cost, the good reliability, extensive applicability's prefabricated component grout fullness detection device of assembly type structure for, on-the-spot quality control personnel, third party measurement personnel judge the prefabricated component grout fullness of evaluation fast at the job site.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an assembly type structure prefabricated component plumpness detection device that is in milk which includes:
the injection device comprises a syringe and an injection catheter, wherein the injection catheter is connected with the injection end of the syringe;
the scale paste is arranged on the injector, and scales are marked on the scale paste along the injection direction of the injector according to the unit length;
the endoscope comprises a probe pipeline, and two ends of the probe pipeline are respectively connected with the endoscope host and the endoscope probe.
In the embodiment of the utility model, the injector is a syringe injector.
In the embodiment of the utility model, the injection catheter adopts a transparent needle tube.
In the embodiment of the utility model provides an in, the scale of mark is pasted according to the injection volume of syringe, the diameter specification that matches corresponding atress muscle and concrete connecting sleeve are confirmed.
In the embodiment of the utility model provides an in, the scale of mark is pasted to the scale uses the millimeter as the unit.
In the embodiment of the utility model, the endoscope probe adopts the twin-lens and is provided with camera lens lighting lamp group.
In the embodiment of the present invention, the endoscope probe is rotatably connected to the probe pipeline.
Due to the adoption of the technical scheme, make the utility model discloses the beneficial effect who gains is:
1. the field detection equipment is light and easy to operate, the detection method is convenient and fast, and common detection personnel can be trained on duty after simple training;
2. the random detection on site can be realized, only the original grout outlet needs to be detected, and the measuring points do not need to be arranged in advance before grouting construction, so that the supervision and sampling force is invisibly increased, and the quality and the safety of the grouting connection of the steel bar sleeve are ensured;
3. the endoscope can be used for directly reflecting the condition inside the sleeve, qualitatively detecting the fullness degree, taking a picture for recording, attaching the picture to a detection report and increasing the intuitiveness of the detection report; the method of internally injecting the concrete curing liquid can be adopted to quantitatively detect the fullness degree of grouting and increase the confidence level and authority of a detection report;
4. when the concrete-pouring curing liquid is detected, the progress of the concrete-pouring curing liquid is observed by an endoscope, and the concrete-pouring curing liquid is finally poured until the bottom of the grout outlet hole, so that errors caused by uncertainty of the volume of the cavity in the grout outlet pipeline are avoided;
5. in the grout work progress, or before the grout material initial set, construction unit or supervision unit are also available the utility model discloses the device carries out qualitative detection to the grout quality, if the discovery grout is not full, then still can utilize original injected hole and grout outlet hole to mend the thick liquid, improves the grout quality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the embodiment of the utility model provides an assembled building prefabricated component grout plumpness detection device carries out the endoscope and qualitatively detects the schematic diagram when examining.
Fig. 2 is the embodiment of the utility model provides an assembled building prefabricated component grout plumpness detection device annotates the schematic drawing when concrete curing liquid detects.
Fig. 3 is a schematic view of an initial state of an injection device according to an embodiment of the present invention.
Fig. 4 is a schematic view of a defect depth scale label provided by the embodiment of the present invention.
Note in the figure: 1-precast concrete members; 2-concrete connecting sleeve; 3-grouting holes; 4-slurry outlet; 5-stressed steel bars; 6-special grouting material; 7-endoscope; 8-endoscopic probe; 9-concrete curing liquid; 10-special large-range injector; 11-special transparent long catheter; 12-defect depth scale pasting.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-4, the embodiment of the utility model provides an assembled building prefabricated component grout plumpness detection device can be used to detect the grout plumpness between concrete connecting sleeve 2 and atress reinforcing bar 5 in the prefabricated component of concrete 1. Top and bottom trompil of concrete connecting sleeve 2, and insert the upper and lower atress reinforcing bar 5 of butt joint, two holes about the one side of concrete connecting sleeve 2 is seted up, the position of two holes about the side correspondence of concrete prefabricated component 1, be provided with the slip casting hole 3 and the grout outlet 4 of one-to-one intercommunication, slip casting hole 3 is under, grout outlet 4 is last, during the slip casting, professional grout material 6 gets into concrete connecting sleeve 2 from slip casting hole 3 in, fill concrete connecting sleeve 2 inside in order to connect upper and lower atress reinforcing bar 5, flow from slip casting hole 4 as professional grout material 6, accomplish the slip casting. But because professional grout material 6's expansion contraction probably leads to concrete connecting sleeve 2 not full in the milk, adopts the utility model discloses detection device can be swiftly high-efficient and accurately detect concrete connecting sleeve 2's grout plumpness.
Particularly, the utility model discloses detection device includes injection apparatus and endoscope 7 two parts constitution, and wherein, injection apparatus includes syringe 10 and injection pipe 11, and injection pipe 11 one end is connected with the injection end of syringe 10, can cup joint or the spiro union. The injector 10 adopts a special large-range injection needle cylinder, the injection conduit 11 adopts a transparent needle tube, the thicker end is connected with the injection end of the injection needle cylinder, and the sharper end extends into the concrete connecting sleeve 2 along the grout outlet 4 when in use.
The body of the injection syringe is provided with a defect depth scale sticker 12, the defect depth scale sticker 12 is marked with scales according to unit length along the injection direction of the injection syringe, as shown in figure 4, the scales are divided according to unit length by taking millimeters, and the scales are determined according to the injection amount of the large-range injector special for the point to be measured and the diameter specification matched with the corresponding stress steel bar 5 and the concrete connecting sleeve 6. The scale subsides of the common grout sleeve of the multiple job site of this device adaptation, atress reinforcing bar specification, in the actual operation process, can paste the reading according to pushing the in-process real-time observation defect degree of depth scale of injection.
Further, the defect depth scale 12 can be attached to a special syringe by means of magnetic attraction, glue, seal cutting, printing and the like.
The endoscope 7 comprises a probe pipeline, and the two ends of the probe pipeline are respectively connected with the endoscope host and the endoscope probe 8. The endoscope 7 can adopt a common double-lens endoscope and is provided with a lens illuminating lamp group, and the endoscope probe 8 adopts a double-lens which can be bent at will and is rotatably arranged at one end of the probe pipeline extending into the grout outlet 4. During the use, open camera lens lighting lamp group, stretch into concrete connecting sleeve 2 inside along grout outlet 4 with the camera lens, adopt downward camera lens to observe special grouting material 6 forming face and grout outlet 4 lower edge relative position relation to take the photo.
The following detailed description of the operation procedure of the grouting fullness detecting device for prefabricated components of the prefabricated building according to the present invention is described in detail with reference to the following specific embodiments and the accompanying drawings:
as shown in fig. 1, the point location to be measured is randomly specified on site, a drill bit which is not larger than the diameter of the grout outlet 4 and has a certain margin is adopted, drilling is carried out along the grout outlet, through holes are drilled for many times by avoiding one through hole according to the length of the grout outlet, brushes or high-pressure air blowers are adopted at intervals to remove ash and slag, and the thin brushes or the high-pressure air blowers are adopted again to finish final hole cleaning until the stressed steel bars 5 in the concrete connecting sleeve 2 are observed by adopting flashlight searchlighting.
Further, a common double-lens endoscope 7 is adopted to open the lens illuminating lamp group, the lens extends into the concrete connecting sleeve 2 along the grout outlet, the downward lens is adopted to observe the relative position relation between the forming surface of the special grouting material 6 and the lower edge of the grout outlet 4, and a photo is shot.
And further, if the forming surface of the special grouting material 6 is basically parallel to the lower edge of the grout outlet hole 4, judging that the grouting fullness of the detection point is qualified, and forming a process record.
Further, if the molding surface of the special grouting material 6 is obviously lower than the lower edge of the grout outlet 4, the following method is adopted for further judgment. As shown in FIGS. 2 to 4, a special wide-range syringe 10 is used to extract the concrete curing liquid 9 to a scale marked as V0, and the end of the special wide-range syringe 10 is sleeved into a special transparent long catheter (i.e. a transparent needle tube 11).
Further, the special transparent long guide pipe extends into the concrete connecting sleeve 2 along the grout outlet 4, the concrete curing liquid 9 is slowly injected, and the injection is divided into multiple times of slow intermittent injections, so that three times of pushing and three times of stopping (three times of pushing and three seconds of stopping) can be adopted, and the liquid level is stable and no air bubbles are generated.
Further, when the concrete curing liquid 9 slowly flows out of the grout outlet, the injection is stopped immediately, and the reading V1 of the special wide-range injector 10 is recorded at the moment.
Further, the unfilled grouting material volume V = V0-V1 in the concrete connecting sleeve 2 of the measuring point can be determined through the steps.
Further, the diameter of a stressed steel bar 5 and the specification (diameter and wall thickness) of a concrete connecting sleeve 6 in the measuring point are inquired in advance.
Further by "not filled with grouting material volume V" and "concrete connecting sleeve 6 inside diameter d 1 "," the diameter d of the stress steel bar 5 2 "three parameters establish a balance formula of the calculated value x of the defect depth and the volume V of the grout material which is not fully filled:
the defect computed depth x can be solved.
In the process of further considering the pushing injection, a certain amount of concrete curing fluid loss and other influence factors exist, and the final defect depth of the measuring point is determined by considering the final defect depth of the loss coefficient K (1.1-1.2).
Y＝Kx(A.0.2)
Furthermore, the detection principle of the method is explained, a defect depth scale sticker 12 is designed in the detection process, and is matched with the special large-range injector 10 in the detection process, the scale of the defect depth scale sticker 12 is divided by the length of a scale unit in millimeter units, and the defect depth scale sticker is determined by a V balance formula (A.0.1) according to the injection amount of the special large-range injector 10 for the point to be detected and the diameter specifications of the corresponding stress steel bar 5 and the concrete connecting sleeve 6.
The method is further suitable for scale pastes with specifications of common grouting sleeves and stressed steel bars in various construction sites, and the reading of the scale paste of the defect depth can be observed in real time according to the pushing process in the actual operation process.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.
Claims (8)
1. The utility model provides an assembled building prefabricated component plumpness detection device that is in milk which characterized in that includes:
the injection device comprises a syringe and an injection catheter, wherein the injection catheter is connected with an injection end of the syringe;
the scale sticker is arranged on the injector, and scales are marked on the scale sticker according to unit length along the injection direction of the injector;
the endoscope comprises a probe pipeline, and two ends of the probe pipeline are respectively connected with the endoscope host and the endoscope probe.
2. The prefabricated construction grouting fullness detecting device of the prefabricated parts according to claim 1, wherein said injector is a syringe injector.
3. The prefabricated construction grouting fullness detecting device of the assembled construction as claimed in claim 2, wherein the injection conduit is a transparent needle tube.
4. The prefabricated component grouting fullness detection device of an assembly type building as claimed in claim 1, wherein the scale marked on the scale sticker is determined according to the injection amount of the injector and the diameter specification matching with the corresponding stress bar and the concrete connecting sleeve.
5. The prefabricated construction grouting fullness detecting device of claim 4, wherein the scale marked on the scale sticker is in millimeter units.
6. The prefabricated component grouting fullness detecting device of an assembly type building as claimed in claim 1, wherein the endoscope probe adopts a double lens and is provided with a lens illuminating lamp set.
7. The prefabricated construction grouting fullness detecting device of claim 1, wherein the endoscope probe is rotatably connected to the probe pipeline.
8. The prefabricated component grouting fullness detection device of an assembly type building of claim 1, wherein the scale sticker is attached to the injector in a magnetic attraction, glue, seal cutting or printing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788836.9U CN218098933U (en) | 2022-07-12 | 2022-07-12 | Prefabricated component grout plumpness detection device of assembled building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788836.9U CN218098933U (en) | 2022-07-12 | 2022-07-12 | Prefabricated component grout plumpness detection device of assembled building |
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| Publication Number | Publication Date |
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| CN218098933U true CN218098933U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221788836.9U Active CN218098933U (en) | 2022-07-12 | 2022-07-12 | Prefabricated component grout plumpness detection device of assembled building |
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| CN (1) | CN218098933U (en) |
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- 2022-07-12 CN CN202221788836.9U patent/CN218098933U/en active Active
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