CN219825265U - Anti-floating anchor rod grouting pipe - Google Patents
Anti-floating anchor rod grouting pipe Download PDFInfo
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- CN219825265U CN219825265U CN202321249276.4U CN202321249276U CN219825265U CN 219825265 U CN219825265 U CN 219825265U CN 202321249276 U CN202321249276 U CN 202321249276U CN 219825265 U CN219825265 U CN 219825265U
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- air chamber
- pipe
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- 230000001174 ascending effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000007569 slipcasting Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to the technical field of anti-floating anchor rod construction and discloses an anti-floating anchor rod grouting pipe. After one grouting is completed, the driving assembly is utilized to pull the rubber piston part to ascend in the grouting pipe, and the slurry for dredging the area above the rubber piston part in the grouting pipe is cleaned, so that the purpose of completing the second grouting through the grouting pipe is achieved. Because the area below the rubber piston member is in a sealed state, in the process of ascending the rubber piston member, negative pressure difference can be generated in the area below the rubber piston member, so that a downward pulling force is given to the rubber piston member; the negative pressure resistant component is arranged in the area below the rubber piston piece, so that the possibility of negative pressure difference generated below the rubber piston piece is avoided, and the rubber piston piece smoothly ascends in the grouting pipe to clean the slurry in the grouting pipe. Based on the measures, the grouting joint pipe after the primary grouting is cleaned and dredged can be subjected to subsequent secondary grouting, the grouting joint pipe use efficiency is improved, and the construction quality of the anti-floating anchor rod is greatly improved.
Description
Technical Field
The utility model relates to the technical field of anti-floating anchor rod construction, in particular to an anti-floating anchor rod grouting pipe.
Background
The anti-floating anchor rod is widely applied in the field of construction, is commonly used for an underground structure to resist buoyancy generated by groundwater, the diameter of the anchor rod is 10 cm-35 cm, the number of main reinforcements is generally 2-4 (HRB 300 phi 18 mm-32 mm, HRB300 represents hot rolled ribbed tertiary steel and the yield strength is 300 MPa), the grouting material of the anchor rod is generally mortar or cement paste, grouting construction is generally divided into primary grouting and secondary grouting, and the construction of the anchor rod is generally synchronous with the construction of the anchor rod and the reinforcement of the anchor rod to install a metal grouting joint pipe for secondary grouting. One-time grouting in the grouting of the anchor rod needs to be injected from the bottom of the anchor rod hole, the grouting quality of the anchor rod can be guaranteed, a grouting joint pipe is not pre-buried in one-time grouting, a movable grouting joint pipe is manually plugged into the grouting joint pipe, the grouting joint pipe cannot smoothly reach the bottom of the anchor rod hole, the grouting quality of the anchor rod cannot be guaranteed, and then the stress condition of an anti-floating anchor rod is affected.
Disclosure of Invention
According to the grouting pipe for the anti-floating anchor rod, the grouting pipe for the anti-floating anchor rod is provided, one grouting joint pipe can realize two grouting constructions, the grouting joint pipe after one grouting is cleaned and dredged can be subjected to subsequent secondary grouting, the grouting joint pipe use efficiency is improved, and the construction quality of the anti-floating anchor rod is improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an anti-floating anchor grouting pipe which is characterized in that: the grouting device comprises grouting heads and grouting joint pipes, wherein a plurality of grouting joint pipes are vertically arranged and are connected end to end, and the grouting heads are connected to the bottoms of the grouting joint pipes at the lowest ends;
the grouting head comprises a shell, a grouting check hole penetrating through the side wall of the shell, a rubber piston piece arranged below the grouting check hole in an initial state, a driving unit for driving the rubber piston piece to ascend, and an anti-negative pressure difference component for avoiding negative pressure difference generated by the ascending of the rubber piston piece, wherein an opening for connecting a grouting joint pipe is formed in the top of the shell only, and the shell is connected to the bottom of the lowest grouting joint pipe; the diameter size of the rubber piston piece is consistent with the inner diameter size of the grouting joint pipe and the inner diameter size of the designed running area of the grouting head rubber piston piece.
According to the technical scheme, the negative pressure resistant component adopts a hollow tubular structure, and the hollow tubular structure serves as a driving unit; one end of the hollow tubular structure is connected to the rubber piston member, the other end of the hollow tubular structure extends out of the grouting joint pipe, and the hollow tubular structure is communicated with the space of the shell area below the rubber piston member: the rubber piston member is driven to move upward by pulling the hollow tubular structure upward.
According to the technical scheme, the negative pressure resistant component adopts a high-pressure air chamber structure, and the high-pressure air chamber structure is positioned in the grouting head and at the bottom of the rubber piston part; when the driving unit drives the rubber piston piece to move upwards, the high-pressure air chamber structure is opened at the same time.
According to the technical scheme, the shell comprises a high-pressure air chamber shell at the bottom and a grouting working area shell fixed at the top of the high-pressure air chamber shell, wherein the top of the grouting working area shell is connected with the bottom of a grouting joint pipe at the lowest end; the grouting working area shell is of a tubular structure, and the grouting check hole and the initial rubber piston piece are arranged in the grouting working area shell; a high-pressure air chamber sealing cover is arranged on the high-pressure air chamber shell, and the high-pressure air chamber sealing cover and the high-pressure air chamber shell form a high-pressure air chamber; a first stay cord is arranged between the high-pressure air chamber sealing cover and the rubber piston piece, and the high-pressure air chamber sealing cover is opened when the rubber piston is in the upward movement.
According to the technical scheme, compressed gas is injected into the high-pressure gas chamber, and the compressed gas is air or nitrogen.
According to the technical scheme, the driving unit adopts the second stay rope, one end of the second stay rope is connected with the top of the rubber piston piece, and the other end of the second stay rope extends out of the port of the top grouting joint pipe and is connected with the external power traction device.
According to the technical scheme, a metal column penetrating through the rubber part is arranged in the round part of the middle part of the rubber piston part, an upper pull ring connected with a second pull rope is arranged at the top of the metal column, and a lower pull ring connected with a first pull rope is arranged at the bottom of the metal column; the high-pressure air chamber sealing cover is provided with a sealing pull ring, and the other end of the first pull rope is connected with the sealing pull ring.
According to the technical scheme, the connectors or the connecting sleeves are respectively arranged at the adjacent ends of the high-pressure air chamber shell and the grouting working area shell, matched threads are arranged on the outer surfaces of the connectors and the inner walls of the connecting sleeves, and the high-pressure air chamber shell is connected with the grouting working area shell through the connectors and the connecting sleeves.
According to the technical scheme, the rubber piston part consists of 3-6 rubber piston groups with the outer diameters matched with the inner diameters of grouting joint pipes; the grouting joint pipe is manufactured by adopting standard components and selecting one or more specifications according to requirements.
According to the technical scheme, the end heads of the grouting joint pipes and the top ends of the grouting heads are respectively provided with a connector or a connecting sleeve, the outer surfaces of the connectors and the inner walls of the connecting sleeves are provided with matched threads, and the grouting joint pipes and the grouting heads are connected through the connectors and the connecting sleeves.
The utility model has the following beneficial effects:
1. the rubber piston piece is arranged in the area below the grouting check hole, after the first grouting is finished, the driving assembly is utilized to pull the rubber piston piece to ascend in the grouting pipe, and the grouting liquid for dredging the area above the rubber piston piece in the grouting pipe is cleaned through the rubber piston piece, so that the purpose of finishing the second grouting through the grouting pipe is achieved. Because the area below the rubber piston member is in a sealed state, in the process of ascending the rubber piston member, negative pressure difference can be generated in the area below the rubber piston member, so that a downward pulling force is given to the rubber piston member; the negative pressure resistant component is arranged in the area below the rubber piston piece, so that the possibility of negative pressure difference generated below the rubber piston piece is avoided, and the rubber piston piece smoothly ascends in the grouting pipe to clean the slurry in the grouting pipe. Based on the measures, the grouting joint pipe can realize two grouting constructions, and can clean and dredge the grouting joint pipe after primary grouting is completed for subsequent secondary grouting, so that the grouting joint pipe use efficiency is improved, the grouting pipe does not need to be pulled out, the grouting fullness of an anchor rod is ensured, and the construction quality of an anti-floating anchor rod is greatly improved.
2. There are two implementations of the negative pressure resistant assembly. One is to use a hollow tubular structure to pass through the rubber piston member and communicate the lower region of the rubber piston member with the external atmosphere, thereby achieving the purpose of balancing the pressure difference in the lower region of the rubber piston member. The other is to set up the high-pressure air chamber structure in the region below the rubber piston, utilize the effort that the rubber piston piece goes upward to open the high-pressure air chamber structure to form a high-pressure environment below the rubber piston subassembly, avoided because the rubber piston piece goes upward and produces the downward pulling force that negative pressure differential brought, can provide an ascending thrust for the rubber piston piece because of the positive pressure differential that produces on the contrary. The two realization forms enlarge the application range of the device and improve the applicability of the device.
3. The working areas of the high-pressure air chamber structure and the grouting head are connected by adopting the connector and the connecting sleeve, and the high-pressure air chamber structure is convenient to manufacture and the rubber piston part is convenient to install because the working areas are not in an integral part form, so that the operation of workers is facilitated.
Drawings
FIG. 1 is a schematic illustration of an embodiment of the present utility model;
in the figure, 1, a grouting head; 2. grouting a joint pipe; 3. a housing; 3-1, a high-pressure air chamber shell; 3-2, grouting working area shell; 4. grouting check holes; 5. a rubber piston member; 5-1, an upper pull ring; 5-2, lower pull ring; 6. a high pressure air chamber structure; 6-1, sealing the cover of the high-pressure air chamber; 6-2, sealing the pull ring; 7. a first pull rope; 8. a second pull rope; 9. a connector or a connecting sleeve.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Referring to fig. 1, the utility model provides an anti-floating anchor grouting pipe.
Example 1
The grouting device comprises a grouting head 1 and grouting joint pipes 2, wherein a plurality of grouting joint pipes are vertically arranged and are connected end to end, and the grouting head is connected to the bottom of the grouting joint pipe at the lowest end;
the grouting head comprises a shell 3, a grouting check hole 4 penetrating through the side wall of the shell, a rubber piston piece 5 arranged below the grouting check hole in an initial state, a driving unit for driving the rubber piston piece to ascend, and an anti-negative pressure difference component for avoiding negative pressure difference generated by the ascending of the rubber piston piece, wherein an opening for connecting a grouting joint pipe is formed in the top of the shell only, and the shell is connected to the bottom of the lowest grouting joint pipe; the diameter size of the rubber piston piece is consistent with the inner diameter size of the grouting joint pipe and the inner diameter size of the designed running area of the grouting head rubber piston piece.
In this embodiment, set up the rubber piston spare in the region below the slip casting check hole, after accomplishing the slip casting of first time, utilize drive assembly to pull the rubber piston spare and go up in the slip casting intraductal, through the rubber piston spare, clear up the thick liquid of dredging the region above the rubber piston spare in the slip casting intraductal to realize accomplishing the purpose of second slip casting through the slip casting pipe. Because the area below the rubber piston member is in a sealed state, in the process of ascending the rubber piston member, negative pressure difference can be generated in the area below the rubber piston member, so that a downward pulling force is given to the rubber piston member; the negative pressure resistant component is arranged in the area below the rubber piston piece, so that the possibility of negative pressure difference generated below the rubber piston piece is avoided, and the rubber piston piece smoothly ascends in the grouting pipe to clean the slurry in the grouting pipe. Based on the measures, the grouting joint pipe can realize two grouting constructions, and can clean and dredge the grouting joint pipe after primary grouting is completed for subsequent secondary grouting, so that the grouting joint pipe use efficiency is improved, the grouting pipe does not need to be pulled out, the grouting fullness of an anchor rod is ensured, and the construction quality of an anti-floating anchor rod is greatly improved.
Example 2
The structure and principle of embodiment 2 are similar to those of embodiment 1, except that: a preferred construction of the negative pressure difference resistant assembly is provided.
Specifically, the negative pressure resistant component adopts a hollow tubular structure, and the hollow tubular structure serves as a driving unit; one end of the hollow tubular structure is connected to the rubber piston member, the other end of the hollow tubular structure extends out of the grouting joint pipe, and the hollow tubular structure is communicated with the space of the shell area below the rubber piston member: the rubber piston member is driven to move upward by pulling the hollow tubular structure upward.
In an embodiment, a hollow tubular structure is utilized to penetrate through the rubber piston member to communicate the area below the rubber piston member with the external atmosphere, thereby achieving the purpose of balancing the pressure difference in the area below the rubber piston member.
Example 3
The structure and principle of embodiment 3 are similar to those of embodiment 1, except that: another preferred construction of the negative pressure difference resistant assembly is presented. The combination of the embodiment 2 and the embodiment 3 expands the application range of the device and improves the application performance of the device.
The negative pressure resistant assembly adopts a high-pressure air chamber structure 6 which is positioned in the grouting head and at the bottom of the rubber piston part; when the driving unit drives the rubber piston piece to move upwards, the high-pressure air chamber structure is opened at the same time.
In the embodiment, the high-pressure air chamber structure is arranged in the area below the rubber piston, and the high-pressure air chamber structure is opened by utilizing the upward acting force of the rubber piston, so that a high-pressure environment is formed below the rubber piston assembly, downward pulling force caused by negative pressure difference generated by the upward movement of the rubber piston is avoided, and upward pushing force is provided for the rubber piston due to the generated positive pressure difference.
Example 4
The structure and principle of embodiment 4 are similar to those of embodiment 3, except that: on the basis of the embodiment 3, a preferable structural form of the shell and the grouting head is provided, the structural form separates the high-pressure air chamber from the grouting working area, and the high-pressure air chamber and the grouting working area are connected in a detachable connection mode; the advantage of this construction is that it facilitates the manufacture of the high-pressure air chamber and the installation of the rubber piston element in the grouting area.
Specifically, the shell comprises a high-pressure air chamber shell 3-1 positioned at the bottom and a grouting working area shell 3-2 fixed at the top of the high-pressure air chamber shell, wherein the top of the grouting working area shell is connected with the bottom of a grouting joint pipe at the lowest end; the grouting working area shell is of a tubular structure, and the grouting check hole and the initial rubber piston piece are arranged in the grouting working area shell; a high-pressure air chamber sealing cover 6-1 is arranged on the high-pressure air chamber shell, and the high-pressure air chamber sealing cover and the high-pressure air chamber shell form a high-pressure air chamber; a first stay cord 7 is arranged between the high-pressure air chamber sealing cover and the rubber piston piece, and the high-pressure air chamber sealing cover is opened when the rubber piston is in the upward movement.
In this embodiment, compressed gas is preferably injected into the high-pressure chamber, and the compressed gas is air or nitrogen.
Of course, in addition to the present embodiment, the high-pressure air chamber and the grouting work area may be integrally formed, which is within the scope of embodiment 1 and embodiment 3.
Example 5
The structure and principle of embodiment 5 are similar to those of embodiment 4, except that: on the basis of embodiment 4, a preferred embodiment of the drive unit is provided.
Specifically, the driving unit adopts a second stay rope 8, one end of the second stay rope is connected with the top of the rubber piston member, and the other end of the second stay rope extends out of the port of the top-most grouting joint pipe and is connected with an external power traction device.
In embodiments 4 and 5, it is preferable that the first pull cord and the second pull cord are made of metal wires.
Example 6
The structure and principle of embodiment 6 are similar to those of embodiment 5, except that: on the basis of the embodiment 6, a metal column penetrating through the rubber part is arranged at the circular part of the middle part of the rubber piston part, an upper pull ring 5-1 connected with a second pull rope is arranged at the top of the metal column, and a lower pull ring 5-2 connected with a first pull rope is arranged at the bottom of the metal column; the sealing cover of the high-pressure air chamber is provided with a sealing pull ring 6-2, and the other end of the first pull rope is connected with the sealing pull ring. Based on the structure, the rubber piston piece is ensured to move upwards in the grouting head and the grouting joint pipe, and the high-pressure air chamber is opened while the rubber piston piece moves upwards.
In the embodiment, the rubber piston member consists of 3-6 rubber piston groups with the outer diameters matched with the inner diameters of grouting joint pipes; the grouting joint pipe is manufactured by adopting standard components and selecting one or more specifications according to requirements.
Example 7
The structure and principle of embodiment 7 are similar to those of embodiment 6, except that: the end heads of the grouting joint pipes and the top ends of the grouting heads are respectively provided with a connector or a connecting sleeve 9, the outer surfaces of the connectors and the inner walls of the connecting sleeves are provided with matched threads, and the grouting joint pipes and the grouting heads are connected through the connectors and the connecting sleeves.
Meanwhile, in embodiment 4, connectors or connecting sleeves are respectively arranged at the adjacent ends of the high-pressure air chamber shell and the grouting working area shell, matched threads are arranged on the outer surface of the connectors and the inner wall of the connecting sleeve, and the high-pressure air chamber shell and the grouting working area shell are connected through the connectors and the connecting sleeve. The working areas of the high-pressure air chamber structure and the grouting head are connected by adopting the connector and the connecting sleeve, and the high-pressure air chamber structure is convenient to manufacture and the rubber piston part is convenient to install because the working areas are not in an integral part form, so that the operation of workers is facilitated.
The working principle of the utility model (taking a high-pressure air chamber structure as an example) is as follows:
the rubber piston piece is arranged in the area below the grouting check hole, after the first grouting is finished, the driving assembly is utilized to pull the rubber piston piece to ascend in the grouting pipe, and the grouting liquid for dredging the area above the rubber piston piece in the grouting pipe is cleaned through the rubber piston piece, so that the purpose of finishing the second grouting through the grouting pipe is achieved. Because the area below the rubber piston member is in a sealed state, in the process of ascending the rubber piston member, negative pressure difference can be generated in the area below the rubber piston member, so that a downward pulling force is given to the rubber piston member; the high-pressure air chamber structure is arranged in the area below the rubber piston component, and in the process that the second stay cord pulls the rubber piston component to ascend, the first stay cord connecting the rubber piston component and the high-pressure air chamber sealing cover drives the high-pressure air chamber sealing cover to ascend, so that the high-pressure air chamber structure is opened. The high-pressure environment is formed at the bottom of the rubber piston, so that downward pulling force caused by negative pressure difference generated in the upward direction of the rubber piston is avoided, and upward pushing force is provided for the rubber piston due to the generated positive pressure difference. The possibility of generating negative pressure difference below the rubber piston part is avoided, so that the rubber piston part smoothly ascends in the grouting pipe to clean the slurry in the grouting pipe.
The foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the utility model, which is defined by the claims and their equivalents.
Claims (10)
1. An anti-floating anchor grouting pipe which is characterized in that: the grouting device comprises grouting heads and grouting joint pipes, wherein a plurality of grouting joint pipes are vertically arranged and are connected end to end, and the grouting heads are connected to the bottoms of the grouting joint pipes at the lowest ends;
the grouting head comprises a shell, a grouting check hole penetrating through the side wall of the shell, a rubber piston piece arranged below the grouting check hole in an initial state, a driving unit for driving the rubber piston piece to ascend, and an anti-negative pressure difference component for avoiding negative pressure difference generated by the ascending of the rubber piston piece, wherein an opening for connecting a grouting joint pipe is formed in the top of the shell only, and the shell is connected to the bottom of the lowest grouting joint pipe; the diameter size of the rubber piston piece is consistent with the inner diameter size of the grouting joint pipe and the inner diameter size of the designed running area of the grouting head rubber piston piece.
2. The anti-floating bolt grouting pipe of claim 1, wherein: the negative pressure resistant component adopts a hollow tubular structure, and the hollow tubular structure serves as a driving unit; one end of the hollow tubular structure is connected to the rubber piston member, the other end of the hollow tubular structure extends out of the grouting joint pipe, and the hollow tubular structure is communicated with the space of the shell area below the rubber piston member: the rubber piston member is driven to move upward by pulling the hollow tubular structure upward.
3. The anti-floating bolt grouting pipe of claim 1, wherein: the negative pressure resistant component adopts a high-pressure air chamber structure which is positioned in the grouting head and at the bottom of the rubber piston part; when the driving unit drives the rubber piston piece to move upwards, the high-pressure air chamber structure is opened at the same time.
4. An anti-float bolt grouting pipe according to claim 3, wherein: the shell comprises a high-pressure air chamber shell at the bottom and a grouting working area shell fixed at the top of the high-pressure air chamber shell, wherein the top of the grouting working area shell is connected with the bottom of the grouting joint pipe at the lowest end; the grouting working area shell is of a tubular structure, and the grouting check hole and the initial rubber piston piece are arranged in the grouting working area shell; a high-pressure air chamber sealing cover is arranged on the high-pressure air chamber shell, and the high-pressure air chamber sealing cover and the high-pressure air chamber shell form a high-pressure air chamber; a first stay cord is arranged between the high-pressure air chamber sealing cover and the rubber piston piece, and the high-pressure air chamber sealing cover is opened when the rubber piston is in the upward movement.
5. The anti-floating bolt grouting pipe of claim 4, wherein: and injecting compressed gas into the high-pressure gas chamber, wherein the compressed gas is air or nitrogen.
6. The anti-floating bolt grouting pipe of claim 4, wherein: the driving unit adopts a second stay rope, one end of the second stay rope is connected with the top of the rubber piston piece, and the other end of the second stay rope extends out of the port of the top grouting joint pipe and is connected with an external power traction device.
7. The anti-floating bolt grouting pipe of claim 6, wherein: a metal column penetrating through the rubber part is arranged in the round part of the middle part of the rubber piston part, an upper pull ring connected with a second pull rope is arranged at the top of the metal column, and a lower pull ring connected with a first pull rope is arranged at the bottom of the metal column; the high-pressure air chamber sealing cover is provided with a sealing pull ring, and the other end of the first pull rope is connected with the sealing pull ring.
8. The anti-floating bolt grouting pipe of claim 1, wherein: the adjacent ends of the high-pressure air chamber shell and the grouting working area shell are respectively provided with a connector or a connecting sleeve, the outer surface of the connector and the inner wall of the connecting sleeve are provided with matched threads, and the high-pressure air chamber shell and the grouting working area shell are connected through the connector and the connecting sleeve.
9. The anti-floating bolt grouting pipe of claim 1, wherein: the rubber piston part consists of 3-6 rubber piston groups with the outer diameter matched with the inner diameter of the grouting joint pipe; the grouting joint pipe is manufactured by adopting standard components and selecting one or more specifications according to requirements.
10. The anti-floating bolt grouting pipe of claim 1, wherein: the end heads of the grouting joint pipes and the top ends of the grouting heads are respectively provided with connectors or connecting sleeves, the outer surfaces of the connectors and the inner walls of the connecting sleeves are provided with matched threads, and the grouting joint pipes and the grouting heads are connected through the connectors and the connecting sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249276.4U CN219825265U (en) | 2023-05-18 | 2023-05-18 | Anti-floating anchor rod grouting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249276.4U CN219825265U (en) | 2023-05-18 | 2023-05-18 | Anti-floating anchor rod grouting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825265U true CN219825265U (en) | 2023-10-13 |
Family
ID=88251219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249276.4U Active CN219825265U (en) | 2023-05-18 | 2023-05-18 | Anti-floating anchor rod grouting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825265U (en) |
-
2023
- 2023-05-18 CN CN202321249276.4U patent/CN219825265U/en active Active
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