CN115306155A - Liquid level pressure stabilizing auxiliary device and using method thereof - Google Patents
Liquid level pressure stabilizing auxiliary device and using method thereof Download PDFInfo
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- CN115306155A CN115306155A CN202210973013.1A CN202210973013A CN115306155A CN 115306155 A CN115306155 A CN 115306155A CN 202210973013 A CN202210973013 A CN 202210973013A CN 115306155 A CN115306155 A CN 115306155A
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- air guide
- pressure
- gas
- guide bin
- air
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Civil Engineering (AREA)
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a liquid level pressure-stabilizing assistor and a use method thereof, the liquid level pressure-stabilizing assistor comprises: the first end of the bent pipe section is formed into an insertion port for introducing the slurry and the gas in the sleeve; the air guide bin is arranged at the second end of the bent pipe section, a second cavity is formed in the air guide bin, the air guide bin is a ductile material piece, and one end of the air guide bin, which is far away from the bent pipe section, is provided with an exhaust liquid port so as to guide out slurry and gas; and the one-way valve is arranged in the pressurization gas guide bin and is close to the gas exhaust liquid port. According to the liquid level pressure stabilization auxiliary device, residual slurry in the air guide bin can be effectively replenished with slurry lost in the grouting sleeve when grouting is stopped or the grouting machine is pulled out through the pressure of the liquid in the air guide bin. Meanwhile, after the one-way valve is closed, the liquid level pressure stabilizing assistor can form a dropper effect, and the compactness of grout in the grouting sleeve and the integral integrity of the grouting grout are ensured.
Description
Technical Field
The invention relates to the technical field of concrete grouting, in particular to a liquid level pressure stabilizing auxiliary device and a using method thereof.
Background
At present, green, energy-saving and environment-friendly factory prefabricated mixed concrete structures are rapidly promoted and implemented in the building industry. The compactness and the integrity of the grouting of the sleeve for the stressed connection of the prefabricated concrete structure are the core. Conventional sleeve grout carries out artifical judgement according to pressure and play thick liquid condition, does not have the compactness and the whole integrality of grout thick liquid that a relatively reliable equipment can ensure the interior grout of sleeve, and the primary grouting qualification rate is less than 50% in the sleeve grout, and the compactness and the integrality of solving the sleeve grout have been done all the time inadequately slowly.
Disclosure of Invention
In view of the above, the present invention provides a liquid level stabilizing assist device and a method for using the same.
In order to solve the technical problem, the invention adopts the following technical scheme:
in a first aspect of the present invention, there is provided a liquid level stabilizing aid comprising: a bent pipe section, wherein a first chamber is formed in the bent pipe section, and a first end of the bent pipe section is formed into an insertion interface for leading in the slurry and the gas in the sleeve; the gas guide bin is arranged at the second end of the bent pipe section, a second cavity is formed in the gas guide bin, the gas guide bin is a ductile material piece, and one end of the gas guide bin, which is far away from the bent pipe section, is provided with an exhaust liquid port so as to guide out slurry and gas; and the one-way valve is arranged in the pressurization gas guide bin and is close to the gas exhaust liquid port.
Optionally, a portion of the cross-sectional width of the air guide bin is greater than the cross-sectional width of the pipe bend.
Optionally, the wall thickness dimension of the elbow section is greater than the wall thickness dimension of the air guide bin.
Optionally, the air guide bin is a rubber material piece.
Optionally, the shape of the air guide cabin is polygonal, cylindrical, spherical or conical.
Optionally, the check valve is a membrane check valve that opens when the pressure in the air guide bin is greater than the sum of the pressure of the membrane check valve and the pressure of the exhaust liquid port.
Optionally, the air guide bin is detachably connected with the elbow section.
Optionally, the air guide bin is integrally connected with the elbow section.
Optionally, the insertion interface tapers in radial dimension in a direction away from the air conduction chamber.
In a second aspect of the present invention, there is provided a method for using a liquid level stabilizing aid, which is applied to the liquid level stabilizing aid in the above embodiments, the method includes the following steps:
inserting an insertion interface of the liquid level pressure stabilizing auxiliary device into the sleeve;
slurry and gas in the sleeve are led into a gas guide bin of the liquid level pressure stabilizing auxiliary device through the inserting port;
the air guide bin expands, and when the pressure in the air guide bin is greater than the sum of the pressure of the one-way valve and the pressure of the air exhaust liquid port, the one-way valve is opened, and slurry and air are led out;
and stopping grouting when the complete columnar grout appears at the air exhaust liquid port.
The technical scheme of the invention has the following beneficial effects:
according to the embodiment of the invention, the liquid level pressure stabilization auxiliary device mainly comprises a pipe bending section, an air guide bin, an air exhaust liquid port and a one-way valve, wherein the air guide bin is made of a ductile material, and residual slurry in the air guide bin can be effectively replenished with slurry lost in a grouting sleeve when grouting is stopped or a grouting machine is pulled out through the pressure of the liquid in the air guide bin. Meanwhile, after the one-way valve is closed, the liquid level pressure stabilizing auxiliary device can form a dropper effect, so that residual gas in the grouting sleeve is sucked into the gas guide bin, the whole section of grout in the grouting sleeve is adsorbed by using the air pressure principle, and the compactness of the grout in the grouting sleeve and the integral integrity of the grouting grout are ensured.
Drawings
FIG. 1 is a schematic structural diagram of an air guide chamber of a liquid level stabilizing aid according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a liquid level stabilizing aid according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a first flow path in a method of using a liquid level stabilizing aid according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a second flow path of a method of using the liquid level stabilizing aid according to an embodiment of the invention;
FIG. 5 is a schematic diagram of flow three of a method of using a liquid level stabilizing aid according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a fourth flow path in a method of using a fluid level stabilization aid according to an embodiment of the invention;
FIG. 7 is a schematic diagram of flow five of a method of using a fluid level stabilization aid according to an embodiment of the invention;
reference numerals:
a liquid level pressure stabilization aid 100;
a pipe bend 10; an insertion interface 11;
a gas guiding bin 20; an exhaust liquid port 21;
a check valve 30;
a sleeve 40.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the description of the embodiments of the invention given above, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships are changed accordingly.
First, the liquid level stabilizing aid 100 according to the embodiment of the present invention will be described in detail with reference to the drawings.
As shown in fig. 1 to 7, a liquid level stabilizing aid 100 according to an embodiment of the present invention includes a pipe bending section 10, an air guide chamber 20, and a check valve 30.
Specifically, a first chamber is formed within the elbow section 10 and a first end of the elbow section 10 is formed as an insertion port 11 for introducing slurry and gas within the sleeve 40. The air guide bin 20 is arranged at the second end of the bending section 10, a second cavity is formed in the air guide bin 20, the air guide bin 20 is a ductile material piece, and one end of the air guide bin 20, which is far away from the bending section 10, is provided with an air exhaust liquid port 21 for exhausting slurry and gas. The check valve 30 is arranged in the pressurization air guide bin 20 and is close to the exhaust liquid port 21.
In other words, referring to fig. 1 to 7, the liquid level stabilizing aid 100 according to the embodiment of the present invention is mainly composed of the elbow section 10, the gas guide chamber 20, and the check valve 30. Wherein, as shown in fig. 2, a first chamber is provided in the elbow section 10, the first end of the elbow section 10 is provided with an insertion port 11, and the insertion port 11 is connected with the sleeve 40 for introducing slurry and gas into the sleeve 40 (see fig. 3). The air guide bin 20 is installed at the second end of the elbow section 10, and the first end and the second end of the elbow section 10 are both ends of the elbow section 10 in the extending direction thereof. Referring to fig. 1 and 2, the gas guiding chamber 20 has a second chamber therein, and the gas guiding chamber 20 is made of a ductile material, so that when slurry or gas enters the gas guiding chamber 20, the gas guiding chamber 20 can be expanded under pressure.
The residual grout in the air guide bin 20 can be effectively supplemented back to the grout lost in the grouting sleeve 40 when the grouting is stopped or the grouting machine is pulled out through the pressure of the liquid in the air guide bin 20. The end of the gas guiding bin 20 away from the pipe bending section 10 is provided with a gas discharging liquid port 21, and slurry and gas can be guided out through the gas discharging liquid port 21. The check valve 30 is installed in the pressurization air guide bin 20, the check valve 30 has a one-way conduction function, and the check valve 30 is installed at a position close to the exhaust liquid port 21. After the one-way valve 30 is closed, the liquid level pressure stabilizing auxiliary device 100 will form a "dropper effect", so that the gas remaining in the grouting sleeve 40 is sucked into the gas guiding bin 20, the whole section of grout in the grouting sleeve 40 is adsorbed by using the air pressure principle, and the compactness of the grout in the grouting sleeve 40 and the whole integrity of the grouting grout are ensured.
Therefore, the liquid level pressure stabilizing auxiliary device 100 according to the embodiment of the present invention mainly comprises the bending section 10, the air guide bin 20, the air exhaust liquid port 21 and the check valve 30, wherein the air guide bin 20 is made of a ductile material, and the residual slurry in the air guide bin 20 can be effectively replenished with the slurry lost in the grouting sleeve 40 when the grouting is stopped or the grouting machine is pulled out due to the pressure of the liquid in the air guide bin 20. Meanwhile, after the one-way valve 30 is closed, the liquid level pressure stabilizing auxiliary device 100 can form a dropper effect, so that residual gas in the grouting sleeve 40 is sucked into the gas guide bin 20, the whole section of grout in the grouting sleeve 40 is adsorbed by using the air pressure principle, and the compactness of the grout in the grouting sleeve 40 and the whole integrity of the grouting grout are ensured.
In some embodiments of the invention, the gas conducting chamber 20 has a portion of a cross-sectional width that is greater than the cross-sectional width of the elbow section 10. The wall thickness dimension of the elbow section 10 is greater than the wall thickness dimension of the gas guiding bin 20.
That is, as shown in fig. 2, the cross-sectional width of the elbow section 10 is denoted as D1, and a portion of the gas conducting chamber 20 is denoted as D2. Referring to fig. 4, the grouting liquid and air enter the liquid level stabilizing aid 100 from the insertion port 11 and flow into the air guide bin 20 through the elbow section 10. Because the section D2 of the air guide bin 20 is larger than the section D1 of the elbow section 10, the speed is reduced, and slurry and air can be separated up and down in the pressurized air guide bin 20. The wall thickness of the bend 10 is denoted as T1 and the wall thickness of the gas guiding chamber 20 is denoted as T2. As slurry and air continue to enter the gas guiding chamber 20, the chamber wall of the gas guiding chamber 20 begins to expand outward (see fig. 5) due to the wall thickness T2 of the gas guiding chamber 20 being smaller than the wall thickness T1 of the elbow section 10, and a pressure P1 is formed in the gas guiding chamber 20.
According to one embodiment of the invention, the gas guiding chamber 20 is a piece of rubber material. The shape of the air guide bin 20 is polygonal, cylindrical, spherical or conical.
In other words, the air guide bin 20 may be made of a rubber material, and the rubber material has good ductility, so that the pressure is used for expanding and storing energy to the air guide bin 20 during grouting, and the energy is used for compensating the grouting pressure to the sleeve 40 in the later stage. The shape of the air guiding bin 20 is polygonal, cylindrical, spherical or conical or other shapes, and the elbow section 10 can also be designed into elbows with different shapes. In the present invention, the specific shapes of the air guide box 20 and the pipe bending section 10 are not limited.
According to one embodiment of the invention, the check valve 30 is a membrane check valve that opens when the pressure in the gas conducting compartment 20 is greater than the sum of the pressure of the membrane check valve and the pressure of the exhaust fluid port 21.
That is, the check valve 30 may be a membrane check valve, where the pressure in the air guide chamber 20 is denoted by P1, the pressure at which the membrane check valve opens is denoted by P2, and the pressure at the exhaust fluid port 21 is denoted by P0, and the membrane check valve opens when the pressure P1 in the air guide chamber 20 is greater than the sum of the pressure P2 of the membrane check valve and the pressure P0 of the exhaust fluid port 21.
As shown in fig. 6, when the pressure P1 continuously rises to P1> P0+ P2, the membrane type check valve automatically opens, and the air and the slurry in the air guide bin 20 flow out through the air exhaust liquid port 21. The section width of the exhaust liquid port 21 is recorded as D3, D1> D3, so that the pressure in the air guide bin 20 can be continuously increased in the grouting process, and the pressure cannot be lost due to the opening of the air guide port of the membrane type check valve.
P2 is the pressure value required to open the membrane check valve. When the complete column-shaped grout appears at the air exhaust liquid port 21, grouting is stopped. When P1 is less than or equal to P0+ P2 after the slurry continuously flows out of the steam and liquid discharging port, as shown in FIG. 7, the membrane type one-way valve is automatically closed. At this time, the liquid in the air guide bin 20 has the pressure P1, so that the residual grout in the air guide bin 20 can be effectively supplemented with the grout which runs off from the grouting sleeve 40 when the grouting is stopped or the grouting machine is pulled out. Meanwhile, after the membrane type one-way valve is closed, the liquid level stabilizer can form a dropper effect, so that gas remaining in the grouting sleeve 40 is sucked into the pressurization gas guide bin 20, and meanwhile, the whole section of slurry in the grouting sleeve 40 is adsorbed by using the air pressure principle, so that the compactness of the slurry in the grouting sleeve 40 is ensured.
In some embodiments of the invention, gas pod 20 is removably coupled to elbow section 10. The air guide bin 20 is integrally connected with the elbow section 10. The radial dimension of the insertion interface 11 in the direction away from the air guide pocket 20 decreases gradually.
That is, the insertion port 11 of the elbow section 10 is inserted into the slurry outlet at the top of the sleeve 40, wherein the air guide chamber 20 can be detachably connected with the elbow section 10. The air guide chamber 20 can also be integrally connected with the elbow section 10. The radial dimension of the insertion connection 11 decreases in the direction away from the gas guiding chamber 20, which facilitates the plug-in connection of the pipe bend 10 with the sleeve 40.
In summary, the liquid level stabilizing aid 100 according to the embodiment of the present invention mainly comprises the elbow section 10, the air guide chamber 20, the air exhaust port 21 and the check valve 30, wherein the air guide chamber 20 is made of a ductile material, and the residual slurry in the air guide chamber 20 can be effectively replenished with the slurry lost from the grouting sleeve 40 when the grouting operation is stopped or the grouting machine is pulled out due to the pressure of the liquid in the air guide chamber 20. Meanwhile, after the one-way valve 30 is closed, the liquid level pressure stabilizing auxiliary device 100 can form a dropper effect, so that gas remaining in the grouting sleeve 40 is sucked into the gas guide bin 20, the whole section of grout in the grouting sleeve 40 is adsorbed by using the air pressure principle, and the compactness of the grout in the grouting sleeve 40 and the whole integrity of the grouting grout are ensured.
In a second aspect of the present invention, a method for using the liquid level stabilizing aid 100 is provided, which is applied to the liquid level stabilizing aid 100 of the above embodiment, and the method comprises the following steps:
inserting the insertion port 11 of the liquid level stabilizing auxiliary device 100 into the sleeve 40;
the slurry and the gas in the sleeve 40 are led into the gas guide bin 20 of the liquid level pressure stabilizing auxiliary device 100 through the inserting port 11;
the air guide bin 20 expands, and when the pressure in the air guide bin 20 is greater than the sum of the pressure of the one-way valve 30 and the pressure of the air exhaust liquid port 21, the one-way valve 30 is opened, and slurry and air are led out;
when the complete column-shaped grout is present at the air exhaust liquid port 21, grouting is stopped.
Specifically, as shown in fig. 3 to 7, the method of using the liquid level stabilizing aid 100 according to the embodiment of the present invention can be applied to the liquid level stabilizing aid 100 of the above-described embodiment, and in the using process of the method, first, the insertion port 11 of the liquid level stabilizing aid 100 may be inserted into the sleeve 40. The slurry and gas in the sleeve 40 may then be introduced into the gas conducting chamber 20 of the level stabilizing aid 100 through the plunging port 11. The grouting liquid and air enter the liquid level pressure stabilizing auxiliary device 100 from the insertion interface 11 and flow into the air guide bin 20 through the elbow section 10. Because the section D2 of the air guide bin 20 is larger than the section D1 of the elbow section 10, the speed is reduced, and slurry and air are separated up and down in the pressurization air guide bin 20. As the slurry and air continue to enter the air guide bin 20, the air guide bin 20 expands, and when the pressure in the air guide bin 20 is greater than the sum of the pressure of the check valve 30 and the pressure of the air discharge liquid port 21, the check valve 30 opens and the slurry and air are discharged. Finally, when the complete column-shaped grout appears at the air exhaust liquid port 21, grouting is stopped.
In the present invention, the method of using the liquid level stabilizing aid 100 can be roughly divided into five processes,
the first process comprises the following steps: as shown in fig. 3, the insertion port 11 of the elbow section 10 is inserted into the slurry outlet at the top of the sleeve 40, wherein the air guide chamber 20 can be detachably connected with the elbow section 10. The air guide chamber 20 can also be integrally connected with the elbow section 10.
And a second process: as shown in fig. 4, the grouting liquid and air enter the liquid level stabilizing aid 100 from the insertion port 11 and flow into the air guide bin 20 through the elbow section 10. Because the section D2 of the air guide bin 20 is larger than the section D1 of the bend section 10, the speed is reduced, and slurry and air can be separated up and down in the pressurization air guide bin 20.
And a third process: as shown in fig. 5, as slurry and air continue to enter the air guide chamber 20, the chamber wall of the air guide chamber 20 begins to expand outward and pressure P1 is formed in the air guide chamber 20 because the wall thickness T2 of the air guide chamber 20 is smaller than the wall thickness T1 of the elbow section 10.
And a fourth process: as shown in fig. 6, P2 is the pressure value required for opening the membrane check valve, when the pressure of P1 continuously rises to P1> P0+ P2, the membrane check valve automatically opens, and the air and the slurry in the air guide bin 20 flow out through the air exhaust liquid port 21. The section width of the exhaust liquid port 21 is recorded as D3, D1> D3, so that the pressure in the air guide bin 20 can be continuously increased in the grouting process, and the pressure cannot be lost due to the opening of the air guide port of the membrane type check valve.
And a fifth process: as shown in fig. 7, when the discharge port 21 has a full column of grout, grouting is stopped. And after the slurry continuously flows out of the steam and liquid discharging port, when P1 is less than or equal to P0+ P2, the membrane type one-way valve is automatically closed. At this time, the liquid in the air guide bin 20 has the pressure P1, so that the residual grout in the air guide bin 20 can be effectively supplemented with the grout which runs off from the grouting sleeve 40 when the grouting is stopped or the grouting machine is pulled out. Meanwhile, after the membrane type one-way valve is closed, the liquid level stabilizer can form a dropper effect, so that gas remaining in the grouting sleeve 40 is sucked into the pressurization gas guide bin 20, and meanwhile, the whole section of slurry in the grouting sleeve 40 is adsorbed by using the air pressure principle, so that the compactness of the slurry in the grouting sleeve 40 is ensured.
In summary, according to the method for using the liquid level stabilizing aid 100 of the embodiment of the invention, the pressure of the liquid in the air guide bin 20 can effectively compensate the slurry remaining in the air guide bin 20 back to the slurry lost in the grouting sleeve 40 when grouting is stopped or the grouting machine is pulled out. Meanwhile, after the one-way valve 30 is closed, the liquid level pressure stabilizing auxiliary device 100 can form a dropper effect, so that residual gas in the grouting sleeve 40 is sucked into the gas guide bin 20, the whole section of grout in the grouting sleeve 40 is adsorbed by using the air pressure principle, and the compactness of the grout in the grouting sleeve 40 and the whole integrity of the grouting grout are ensured.
In the description of the specification, references to the description of the term "one embodiment", "some embodiments", "illustrative embodiments", "preferred embodiments", "detailed description", or "preferred embodiments", etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.
Claims (10)
1. A liquid level stabilizing aid comprising:
a bent pipe section, wherein a first chamber is formed in the bent pipe section, and a first end of the bent pipe section is formed into an insertion interface for leading in the slurry and the gas in the sleeve;
the air guide bin is arranged at the second end of the bent pipe section, a second cavity is formed in the air guide bin, the air guide bin is a ductile material piece, and an exhaust liquid port is formed in one end, far away from the bent pipe section, of the air guide bin so as to guide out slurry and air;
and the one-way valve is arranged in the pressurizing air guide cabin and is close to the exhaust liquid port.
2. The fluid level stabilizing aid of claim 1, wherein a portion of the cross-sectional width of the gas conducting bin is greater than the cross-sectional width of the elbow section.
3. The fluid level stabilization aid of claim 1, wherein a wall thickness dimension of the elbow section is greater than a wall thickness dimension of the gas conducting chamber.
4. The fluid level stabilizing aid as claimed in claim 1, wherein the air conducting chamber is a rubber material.
5. The fluid level stabilization aid of claim 1, wherein the shape of the air conduction chamber is polygonal, cylindrical, spherical or conical.
6. The fluid level stabilization aid according to claim 1, wherein the check valve is a membrane check valve that opens when a pressure in the air conduction compartment is greater than a sum of a pressure of the membrane check valve and a pressure of the exhaust fluid port.
7. The fluid level stabilization aid of claim 1, wherein the gas conducting bin is removably connected to the elbow section.
8. The fluid level stabilization aid of claim 1, wherein the air conducting bin is integrally connected with the elbow section.
9. The fluid level stabilization aid of claim 1, wherein the insert interface tapers in radial dimension in a direction away from the air conduction compartment.
10. A method for using a liquid level stabilizing aid, which is applied to the liquid level stabilizing aid of any one of claims 1 to 9, and is characterized by comprising the following steps:
inserting an insertion interface of the liquid level pressure stabilizing auxiliary device into the sleeve;
slurry and gas in the sleeve are led into a gas guide bin of the liquid level pressure stabilizing auxiliary device through the inserting port;
the air guide bin expands, and when the pressure in the air guide bin is greater than the sum of the pressure of the one-way valve and the pressure of the exhaust liquid port, the one-way valve is opened, and slurry and gas are led out;
and stopping grouting when the complete columnar grout appears at the air exhaust liquid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210973013.1A CN115306155B (en) | 2022-08-15 | 2022-08-15 | Liquid level pressure stabilizing auxiliary device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210973013.1A CN115306155B (en) | 2022-08-15 | 2022-08-15 | Liquid level pressure stabilizing auxiliary device and using method thereof |
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| CN115306155A true CN115306155A (en) | 2022-11-08 |
| CN115306155B CN115306155B (en) | 2023-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002951A (en) * | 2010-11-18 | 2011-04-06 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN110056191A (en) * | 2019-05-31 | 2019-07-26 | 中冶建工集团有限公司 | It automates grout sleeve and mends sizing device |
| CN212866897U (en) * | 2020-07-15 | 2021-04-02 | 仝运生 | Assembled construction sleeve grout filling device |
| CN113622667A (en) * | 2021-06-16 | 2021-11-09 | 中交第四公路工程局有限公司 | Grouting non-return and grout-supplementing device |
| US20210349073A1 (en) * | 2020-05-09 | 2021-11-11 | Guangzhou Municipal Engineering Testing Co., Ltd. | Apparatus and method for detecting grout compactness in grouted splice sleeve |
| CN216516931U (en) * | 2021-11-05 | 2022-05-13 | 北京中建建筑科学研究院有限公司 | Grout supplementing device for grouting sleeve |
-
2022
- 2022-08-15 CN CN202210973013.1A patent/CN115306155B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002951A (en) * | 2010-11-18 | 2011-04-06 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN110056191A (en) * | 2019-05-31 | 2019-07-26 | 中冶建工集团有限公司 | It automates grout sleeve and mends sizing device |
| US20210349073A1 (en) * | 2020-05-09 | 2021-11-11 | Guangzhou Municipal Engineering Testing Co., Ltd. | Apparatus and method for detecting grout compactness in grouted splice sleeve |
| CN212866897U (en) * | 2020-07-15 | 2021-04-02 | 仝运生 | Assembled construction sleeve grout filling device |
| CN113622667A (en) * | 2021-06-16 | 2021-11-09 | 中交第四公路工程局有限公司 | Grouting non-return and grout-supplementing device |
| CN216516931U (en) * | 2021-11-05 | 2022-05-13 | 北京中建建筑科学研究院有限公司 | Grout supplementing device for grouting sleeve |
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| CN115306155B (en) | 2023-05-26 |
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