CN210827606U - Grouting head - Google Patents
Grouting head Download PDFInfo
- Publication number
- CN210827606U CN210827606U CN201921432973.7U CN201921432973U CN210827606U CN 210827606 U CN210827606 U CN 210827606U CN 201921432973 U CN201921432973 U CN 201921432973U CN 210827606 U CN210827606 U CN 210827606U
- Authority
- CN
- China
- Prior art keywords
- grouting
- reducing cylinder
- slurry pipeline
- slurry
- pipeline
- 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.)
- Withdrawn - After Issue
Links
- 239000002002 slurry Substances 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000011440 grout Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007569 slipcasting Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model provides a grouting head, which comprises a reducing cylinder, a slurry pipeline and a non-return device, wherein the slurry pipeline is positioned in the reducing cylinder; one end of the slurry pipeline is provided with a grouting port, the other end of the slurry pipeline is close to one end with a relatively small diameter of the reducing cylinder, and one end of the slurry pipeline, which is far away from the grouting port, is provided with a non-return device; the non-return device comprises a steel ball, a spring and a limiting rod which are connected in sequence. The use method of the grouting head comprises the following steps: drilling a plurality of grouting holes at the edge of the seepage crack needing grouting; the water seepage crack is opened to form a V-shaped groove and is filled and leveled up by using quick-hardening cement; embedding the grouting head into the grouting hole; in the grouting process, the slurry compresses the steel balls, and the slurry flows into the water seepage crack or the empty area through the slurry pipeline; and after grouting, withdrawing the grouting equipment, and cutting off the part of the grouting head higher than the water seepage crack without recovering the grouting head. The utility model discloses can pour into the thick liquid into relatively fast, do benefit to the large-traffic and pressure-bearing infiltration point of shutoff. And simultaneously, the utility model relates to an ingenious, the installation is convenient, and the cost of manufacture is lower.
Description
Technical Field
The utility model relates to a water shutoff construction technical field of slip casting specifically is a slip casting head.
Background
After the concrete engineering construction is carried out in a water seepage place, if the measures are improper and the quality is not controlled tightly, the water seepage phenomenon often occurs to the poured concrete, so that the engineering use is influenced, and even engineering accidents can be caused by serious water seepage. In general, when concrete is poured in a water seepage place, waterproof concrete and other anti-seepage measures are adopted, but when water seepage occurs after the measures are taken, grouting and water plugging measures are required. The conventional grouting and water plugging modes comprise wall-breaking grouting and wall-breaking grouting, and can be divided into common grouting and chemical grouting according to different adopted grout materials.
Chemical grouting is an effective way for increasing the compactness of concrete and further improving the self-waterproofing of the concrete, wherein the connection of a grouting pipe and a grouting hole is one of the keys of good and bad grouting effect. In engineering, a grouting needle is often used as a connecting device, and has the defects of being not firm to install, small in slurry flow and the like, and the defects can cause the grouting needle to be easy to bear pressure, loose and fall off, so that grouting pressure is not enough, slurry cannot be fully diffused, the number of grouting holes and the grouting needle is increased, and grouting agents are wasted; meanwhile, because the flow rate of the slurry is small, the injected water plugging agent is easy to flush away in water seepage, so that the water seepage points with large flow rate and bearing pressure cannot be plugged effectively, and the water plugging effect cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slip casting head in order to solve above-mentioned problem.
The utility model discloses a realize through following technical scheme:
the grouting head is characterized by comprising a reducing cylinder (1), a slurry pipeline (8) and a non-return device (2), wherein the slurry pipeline (8) is positioned in the reducing cylinder (1), and the slurry pipeline (8) and the reducing cylinder (1) are integrally formed; a grouting opening (7) is formed in one end of the slurry pipeline (8), one end, far away from the grouting opening (7), of the slurry pipeline (8) is close to one end, with the relatively small diameter, of the reducing cylinder body (1), the grouting opening (7) is close to one end, with the relatively large diameter, of the reducing cylinder body (1), and the non-return device (2) is installed at one end, far away from the grouting opening (7), of the slurry pipeline (8); the non-return device (2) comprises a steel ball (9), a spring (10) and a limiting rod (4) which are sequentially connected, wherein the limiting rod (4) is close to the end part of one end, away from the grouting opening (7), of the slurry pipeline (8).
According to above-mentioned slip casting head, characterized in that, reducing cylinder (1) one end that the diameter is relatively little with thick liquid pipeline (8) constitution enclosed construction, reducing cylinder (1) one end that the diameter is relatively big with processing has shrink chamber (6) between thick liquid pipeline (8).
According to above-mentioned slip casting head, characterized in that, reducing barrel (1) inside processing has inflation piece installation cavity (5), place in inflation piece installation cavity (5) and meet water inflation's inflation piece (3).
The grouting head is characterized in that a sawtooth-shaped resistance increasing ring (11) is machined on the surface of the reducing cylinder body (1), and the end part of the resistance increasing ring (11) faces to the end, with the diameter being relatively large, of the reducing cylinder body (1).
The grouting head is characterized in that the reducing cylinder (1) and the slurry pipeline (8) are made of plastic materials.
The utility model discloses following beneficial technological effect has: the utility model has larger engaging force and friction force with the inner wall of the grouting hole, is firmly installed and does not fall off; the utility model is provided with a non-return device, which can effectively prevent the injected slurry from flowing out; the utility model can bear larger hydraulic pressure in the wall, the injected slurry can be fully diffused, and the drilling quantity can be reduced; the utility model discloses a thick liquid circulation pore internal diameter is great, can pour into the thick liquid into more fast, does benefit to the large-traffic and pressure-bearing infiltration point of shutoff. And simultaneously, the utility model relates to an ingenious, the installation is convenient, and the cost of manufacture is lower, has great popularization prospect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a schematic perspective view of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-3, the utility model discloses a slip casting head, including reducing barrel 1, thick liquid pipeline 8, contrary device 2 that ends, thick liquid pipeline 8 is located reducing barrel 1, thick liquid pipeline 8 and 1 integrated into one piece of reducing barrel, and airtight structure is constituteed with thick liquid pipeline 8 to the one end that the diameter of reducing barrel 1 is little relatively, and processing has shrink chamber 6 between the one end that the diameter of reducing barrel 1 is big relatively and thick liquid pipeline 8. Expansion block installation cavity 5 is processed inside diameter-changing cylinder 1, and expansion block 3 which expands when encountering water is placed in expansion block installation cavity 5. The surface of the reducing cylinder 1 is provided with a sawtooth-shaped resistance increasing ring 11, and the end part of the resistance increasing ring 11 faces to one end of the reducing cylinder 1 with a relatively large diameter. The diameter-variable cylinder 1 and the slurry pipeline 8 are made of plastic materials. One end of the slurry pipeline 8 is provided with a grouting opening 7, one end of the slurry pipeline 8, which is far away from the grouting opening 7, is close to one end of the reducing cylinder body 1, which has a relatively small diameter, the grouting opening 7 is close to one end of the reducing cylinder body 1, which has a relatively large diameter, and one end of the slurry pipeline 8, which is far away from the grouting opening 7, is provided with a check device 2; the non-return device 2 comprises a steel ball 9, a spring 10 and a limiting rod 4 which are connected in sequence, and the limiting rod 4 is close to the end part of one end of the slurry pipeline 8, which is far away from the grouting opening 7.
The use method of the grouting head comprises the following steps: the method comprises the following steps: and drilling a plurality of grouting holes at the edge of the water seepage crack needing grouting according to the outer diameter of the reducing cylinder body 1, drilling the grouting holes at intervals of 1 meter along the edge of the water seepage crack, wherein the distance between the edge of the hole opening and the water seepage crack is 3-4 cm, the grouting holes tend to drill the water seepage crack, the angle is maintained at about 45 degrees, and water in the water seepage crack seeps out from the bottom of each successfully drilled grouting hole. Step two: and (3) spreading the seepage cracks to form V-shaped grooves with the depth of about 2 cm, and filling the V-shaped grooves with quick-hardening cement. Step three: embedding a grouting head into the grouting hole, wherein the end with the relatively large diameter of the reducing cylinder body 1 faces outwards when the grouting head is embedded; and grouting is started after the expansion block 3 absorbs water and expands. The grouting can be performed from one end of the water seepage crack to the other end or from the middle part to the two ends in sequence, but a grouting mode of one grouting at a time is needed to be adopted so as to carry out secondary grouting. Step four: during grouting, a slurry outlet of grouting equipment is aligned with the grouting port 7, slurry compresses the spring 10 through the steel ball 9 in the grouting process, and flows into a water seepage crack or a vacant area through the slurry pipeline 8. And during grouting, the grout needs to be continuously injected until the pressure inside the grouting hole is increased and the grout cannot be injected. Step five: after grouting, the grouting equipment is removed, the grouting head is not recovered, and if the grouting head extends out of the grouting hole to influence subsequent construction or use, the grouting head can be cut off after the injected grout is solidified.
Claims (5)
1. The grouting head is characterized by comprising a reducing cylinder (1), a slurry pipeline (8) and a non-return device (2), wherein the slurry pipeline (8) is positioned in the reducing cylinder (1), and the slurry pipeline (8) and the reducing cylinder (1) are integrally formed; a grouting opening (7) is formed in one end of the slurry pipeline (8), one end, far away from the grouting opening (7), of the slurry pipeline (8) is close to one end, with the relatively small diameter, of the reducing cylinder body (1), the grouting opening (7) is close to one end, with the relatively large diameter, of the reducing cylinder body (1), and the non-return device (2) is installed at one end, far away from the grouting opening (7), of the slurry pipeline (8); the non-return device (2) comprises a steel ball (9), a spring (10) and a limiting rod (4) which are sequentially connected, wherein the limiting rod (4) is close to the end part of one end, away from the grouting opening (7), of the slurry pipeline (8).
2. The grouting head according to claim 1, characterized in that the end with the relatively small diameter of the reducing cylinder (1) and the grout pipeline (8) form a closed structure, and a contraction cavity (6) is formed between the end with the relatively large diameter of the reducing cylinder (1) and the grout pipeline (8).
3. The grouting head according to claim 1, characterized in that an expansion block installation cavity (5) is formed in the reducing cylinder (1), and a water-expandable expansion block (3) is placed in the expansion block installation cavity (5).
4. The grouting head according to claim 1, characterized in that the surface of the reducing cylinder (1) is provided with a serrated resistance-increasing ring (11), and the end of the resistance-increasing ring (11) faces the end with the relatively large diameter of the reducing cylinder (1).
5. Grouting head according to claim 1, characterised in that the reducing cylinder (1) and the grout pipe (8) are made of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921432973.7U CN210827606U (en) | 2019-08-30 | 2019-08-30 | Grouting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921432973.7U CN210827606U (en) | 2019-08-30 | 2019-08-30 | Grouting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210827606U true CN210827606U (en) | 2020-06-23 |
Family
ID=71253885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921432973.7U Withdrawn - After Issue CN210827606U (en) | 2019-08-30 | 2019-08-30 | Grouting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210827606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485478B (en) * | 2019-08-30 | 2024-02-23 | 金川集团股份有限公司 | Grouting head and using method thereof |
-
2019
- 2019-08-30 CN CN201921432973.7U patent/CN210827606U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485478B (en) * | 2019-08-30 | 2024-02-23 | 金川集团股份有限公司 | Grouting head and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200623 Effective date of abandoning: 20240223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200623 Effective date of abandoning: 20240223 |