High-strength corrosion-resistant full grouting sleeve

By designing sealing components and release transmission mechanisms in the full grouting sleeve, seamless sealing of the grouting inlet is achieved, solving the problem of grouting material leakage and ensuring the stability and sealing of the steel bar connection.

CN120649623AActive Publication Date: 2025-09-16LONGYAN UNIV
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Patent Information

Application Number
CN202511129722.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2025-09-16
Estimated Expiration
2045-08-13

AI Technical Summary

Technical Problem

If the existing fully grouting sleeve is not used quickly enough to seal the grouting inlet, the grouting material may leak out, forming a cavity inside the sleeve and weakening the anchoring force of the steel bar.

Method used

A sealing component is designed, including a connecting pipe, a support plate, a sealing plate and a sealing ring. Through a limit assembly and a release transmission mechanism, the grout inlet can be seamlessly sealed during the grouting process to prevent the grouting material from leaking.

Benefits of technology

It effectively prevents the formation of cavities inside the sleeve, ensures the anchoring force of the steel bars, improves the connection reliability, and the sealing components can be reused.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of full grouting sleeves, in particular to a high-strength corrosion-resistant full grouting sleeve. According to the technical scheme, the sealing device comprises a cylinder body, the upper end and the lower end of the cylinder body are provided with a slurry discharging port and a slurry inlet respectively, the sealing device further comprises a sealing component fixedly installed on the slurry inlet, the sealing component comprises a connecting pipe detachably installed on the slurry inlet and a supporting plate fixedly installed on the connecting pipe, the diameter of the supporting plate is larger than that of the connecting pipe, and a groove is formed in the supporting plate. A first plugging ring is slidably mounted in the groove, a sealing plate with the diameter larger than that of the connecting pipe is slidably mounted on the supporting plate, and a second plugging ring matched with the groove is arranged on the sealing plate. Blocking can be completed under the pressure effect of a grouting device without disconnecting connection with a grouting pipe, and therefore the situation that after the grouting pipe is disconnected, grout which is not stable in the sleeve seeps outwards from a grouting opening under the action of gravity or residual pressure is effectively prevented, a cavity is prevented from being formed in the upper portion of the sleeve, and then the reinforcing steel bar anchoring force is prevented from being weakened.
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Description

Technical Field

[0001] The invention relates to the technical field of full-grouting sleeves, in particular to a high-strength, corrosion-resistant full-grouting sleeve. Background Art

[0002] The fully grouting sleeve is a key mechanical connection component used to reliably connect steel bars in construction projects, especially in prefabricated concrete structures. Its core function is to connect the steel bars extending from adjacent components when splicing precast concrete components such as columns, walls, and beams, forming a continuous whole that can effectively transmit tension, pressure and even bending moment, thereby ensuring the safety and integrity of the structure.

[0003] The fully grouting sleeve includes a metal sleeve made of high-strength steel and specially configured grouting material, as well as steel bars inserted from both ends of the sleeve. After the grouting is completed and the pressure is maintained, the grouting port needs to be sealed. This is a key link to ensure that the grouting material inside the sleeve is full and dense.

[0004] In the existing device, when the grouting port is sealed, it is generally separated from the grouting pipe and sealed quickly after the pressure maintenance is completed. If the sealing action is not fast enough, the slurry inside the sleeve that has not yet stabilized may seep out or flow back from the grouting port under the action of gravity or residual pressure. This is because the fluidity of the grouting material is still relatively high before initial setting, which will cause a cavity to form on the upper part of the sleeve, which will directly weaken the anchoring force of the steel bar. Summary of the Invention

[0005] The purpose of the present invention is to address the problems existing in the background technology and propose a high-strength, corrosion-resistant full-grouting sleeve that can seal the grouting port when the grouting pipe is not separated from the grouting port to prevent the grouting material from leaking out and causing cavities to appear inside the barrel.

[0006] The technical solution of the present invention is a high-strength, corrosion-resistant, fully grouting sleeve, comprising a barrel, wherein the upper and lower ends of the barrel are respectively provided with a slurry discharge port and a slurry inlet, and further comprising:

[0007] A sealing component fixedly mounted on the pulp inlet, the sealing component comprising a connecting pipe detachably mounted on the pulp inlet, a support plate fixedly mounted on the connecting pipe and having a diameter larger than the connecting pipe, a groove being provided on the support plate, a first sealing ring being slidably mounted in the groove, a sealing plate having a diameter larger than the connecting pipe being slidably mounted on the support plate, and a second sealing ring being provided on the sealing plate that cooperates with the groove;

[0008] The sealing component also includes a limiting component for limiting the initial position of the first sealing ring, and a connecting piece for controlling the synchronous movement of the first sealing ring and the sealing plate after contact;

[0009] The connecting pipe is provided with a communicating pipe, a releasing cylinder is fixedly mounted on the communicating pipe, and the releasing cylinder is connected with a releasing transmission mechanism for controlling the internal volume of the releasing cylinder and synchronously moving the sealing plate when the volume of the releasing cylinder is released.

[0010] Optionally, a sealing sleeve is detachably mounted on the support plate, and a connector is provided at one end of the sealing sleeve, which is connected to the grouting device.

[0011] Optionally, a plurality of first connecting shafts are slidably mounted on the support plate, a first connecting ring is fixedly mounted on the plurality of first connecting shafts, the limiting assembly includes a baffle provided on the first connecting ring, and a pull rod is rotatably mounted on the connecting head.

[0012] Optionally, a plurality of second connecting shafts are slidably mounted on the support plate, a second connecting ring is fixedly mounted on the plurality of second connecting shafts, and the connecting member includes a plurality of abutment blocks provided on the second connecting ring, and the abutment blocks are in contact with the first connecting ring.

[0013] Optionally, the release transmission mechanism includes a partition slidably mounted inside the release cylinder, and a round rod is fixedly mounted on the partition.

[0014] Optionally, the release transmission mechanism also includes a first transmission cylinder detachably connected to the release cylinder through a support rod, a first sealing plate is slidably installed in the first transmission cylinder, a first transmission rod is fixedly installed on the first sealing plate, the first transmission rod is detachably connected to the round rod, a second transmission cylinder is fixedly installed on the sealing sleeve, a second sealing plate is slidably installed in the second transmission cylinder, a second transmission rod is fixedly installed on the second sealing plate, a connecting block is fixedly installed on the second connecting ring, and the second transmission rod is detachably connected to the connecting block.

[0015] Optionally, a delivery pipe is fixedly installed at both ends of the first transmission cylinder, and the other end of the delivery pipe is respectively connected to the two ends of the second transmission cylinder. The first transmission cylinder, the second transmission cylinder and the delivery pipe are all filled with transmission medium, and a valve is fixedly installed on one of the delivery pipes.

[0016] Optionally, an internal threaded rod is fixedly mounted on one side of the support plate, and the internal threaded rod is internally threadedly connected to a push rod for limiting the second connecting ring.

[0017] Optionally, the connecting tube, support plate and release tube can be symmetrically decomposed into two parts, one part of the connecting tube, support plate and release tube are provided with a connecting groove, and the other part of the connecting tube, support plate and release tube are fixedly installed with a connecting strip, and the two parts of the connecting tube, support plate and release tube are fixedly connected by fasteners.

[0018] Optionally, sealing plugs are fixedly installed at both ends of the cylinder body, and steel bars are fixedly installed inside the sealing plugs.

[0019] In summary, this application includes at least one of the following beneficial technical effects:

[0020] The present invention cooperates with the groove and the sealing ring and uses a limit assembly and a release transmission mechanism, so that when the grouting inlet is sealed after grouting is completed, there is no need to disconnect the connection with the grouting pipe, and the sealing can be completed under the pressure of the grouting device, thereby effectively preventing the unstable slurry inside the sleeve from seeping out from the grouting port under the action of gravity or residual pressure after the grouting pipe is disconnected, preventing the formation of a cavity on the upper part of the sleeve, and further preventing the weakening of the anchoring force of the steel bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the structure of the full grouting sleeve Figure 1 ;

[0022] Figure 2 Schematic diagram of the structure of the full grouting sleeve Figure 2 ;

[0023] Figure 3 Schematic diagram of the sealing component structure Figure 1 ;

[0024] Figure 4 Schematic diagram of the sealing component structure Figure 2 ;

[0025] Figure 5 Schematic diagram of the sealing component structure Figure 3 ;

[0026] Figure 6 Schematic diagram of the sealing component structure Figure 4 ;

[0027] Figure 7 Schematic diagram of the sealing component structure Figure 5 ;

[0028] Figure 8 Schematic diagram of the structure of the connecting pipe, support plate and release cylinder Figure 1 ;

[0029] Figure 9 Schematic diagram of the structure of the connecting pipe, support plate and release cylinder Figure 2 ;

[0030] Figure 10 Schematic diagram of the structure of the plugging sleeve.

[0031] Reference numerals: 1, barrel; 101, slurry discharge port; 102, slurry inlet; 103, sealing plug; 2, steel bar; 3, sealing component; 301, connecting pipe; 302, support plate; 303, groove; 304, first sealing ring; 305, sealing plate; 306, second sealing ring; 307, first connecting shaft; 308, first connecting ring; 309, second connecting shaft; 310, second connecting ring; 311, baffle; 312, pull rod; 313, connecting pipe; 314, release cylinder; 315. Partition; 316. Round rod; 317. Support rod; 318. First transmission cylinder; 319. First blocking plate; 320. First transmission rod; 321. Second transmission cylinder; 322. Second blocking plate; 323. Second transmission rod; 324. Connecting block; 325. Delivery pipe; 326. Valve; 327. Internally threaded rod; 328. Push rod; 329. Blocking sleeve; 330. Connecting head; 331. Abutment block; 4. Connecting groove; 401. Connecting strip; 402. Fastener. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0033] like Figure 1 and Figure 2 As shown, the present invention proposes a high-strength corrosion-resistant full grouting sleeve, including a barrel 1. The barrel 1 is made of austenitic stainless steel, which can improve the tensile strength and service life and adapt to the corrosive environment. The upper and lower ends of the barrel 1 are respectively provided with a slurry discharge port 101 and a slurry inlet 102. Both ends of the barrel 1 are fixedly installed with a sealing plug 103. A steel bar 2 is fixedly installed in the sealing plug 103. By inserting two steel bars 2 to be connected into the two ends of the barrel 1 respectively, the slurry discharge port 101 and the slurry inlet 102 reserved on the sleeve are opened. 2. Use special equipment to inject the grouting material into the inner cavity of the cylinder body 1 under pressure. The grouting material completely fills the inside of the cylinder body 1 and all the gaps between the steel bars and the inner wall of the sleeve. The grouting material solidifies and hardens in the cylinder body 1. The solidified grouting material forms a strong mechanical bite force with the inner wall of the sleeve, and at the same time forms a strong chemical bond and friction force with the surface of the steel bar 2, so that the load is mainly transmitted through the bonding between the grouting material and the steel bar 2 and the mechanical bite between the grouting material and the inner ribs of the cylinder body 1, and the cylinder body 1 itself also provides constraints and auxiliary force transmission.

[0034] As an implementation method, Figures 2 to 6As shown, the full grouting sleeve of this embodiment also includes a sealing component 3 fixedly mounted on the grouting port 102. After grouting is completed inside the barrel 1, the grouting port 102 needs to be sealed. The sealing component 3 can be used to seal the grouting port 102 when the grouting pipe is not pulled out. The sealing component 3 includes a connecting pipe 301 detachably mounted on the slurry inlet 102, a support plate 302 fixedly mounted on the connecting pipe 301 and having a diameter larger than the connecting pipe 301, a groove 303 is provided on the support plate 302, a first sealing ring 304 is slidably mounted in the groove 303, a sealing plate 305 with a diameter larger than the connecting pipe 301 is slidably mounted on the support plate 302, and a second sealing ring 306 is provided on the sealing plate 305 that cooperates with the groove 303. The grouting material will pass through one side of the sealing plate 305 and in turn through the support plate 302 and the connecting pipe 301 into the interior of the slurry inlet 102, so that the grouting material can enter the interior of the barrel 1.

[0035] It should be noted that the sealing plate 305 cannot move during grouting. When the grouting is completed, the limit on the sealing plate 305 can be cancelled and the sealing plate 305 can be moved under the pressure applied by the grouting device to the sealing plate 305, so that the sealing plate 305 drives the second sealing ring 306 to gradually enter the groove 303, so that the sealing plate 305 can seal the connecting pipe 301, thereby completing the sealing of the slurry inlet 102. The setting of the groove 303 and the second sealing ring 306 can effectively improve the sealing effect, and prevent the formation of gaps between the sealing plate 305 and the support plate 302, which leads to slurry leakage.

[0036] As an implementation method, Figure 10 As shown, a sealing sleeve 329 is detachably mounted on the support plate 302, and a connector 330 is provided at one end of the sealing sleeve 329. The connector 330 is connected to the grouting device. The grouting material is input into the sealing sleeve 329 through the connector 330 through the grouting device, so that the grouting material can enter the connecting pipe 301 through the gap between the sealing sleeve 329 and the sealing plate 305.

[0037] As an implementation method, Figures 2 to 6 As shown, the sealing component 3 also includes a limiting component for limiting the initial position of the first sealing ring 304, and a connecting piece for controlling the synchronous movement of the first sealing ring 304 after contact with the sealing plate 305. When the grouting material enters the sealing sleeve 329, it will exert pressure on the sealing plate 305, thereby pushing the sealing plate 305 to move. During the grouting stage, it is necessary to ensure that the sealing plate 305 does not move to ensure that the grouting material can effectively and quickly enter the interior of the barrel 1, and it is necessary to ensure that the first sealing ring 304 does not move in advance, causing the grouting material to enter the interior of the groove 303, which will cause the interior of the groove 303 to be filled with grouting material, resulting in the second sealing ring 306 being unable to enter the interior of the groove 303.

[0038] Furthermore, multiple first connecting shafts 307 are slidably installed on the support plate 302, and first connecting rings 308 are fixedly installed on the multiple first connecting shafts 307. The other end of the first connecting shaft 307 is fixedly connected to the first sealing ring 304. When the first sealing ring 304 moves, the first connecting shaft 307 and the first connecting ring 308 can be driven to move. The first sealing ring 304 can be limited by limiting the first connecting ring 308. The limiting component includes a baffle 311 provided on the first connecting ring 308, and a pull rod 312 is rotatably installed on the connecting head 330. By rotating the pull rod 312 so that the pull rod 312 rests against the outer side of the baffle 311, the pull rod 312 can limit the baffle 311, thereby limiting the first sealing ring 304.

[0039] Furthermore, multiple second connecting shafts 309 are slidably installed on the support plate 302, and second connecting rings 310 are fixedly installed on the multiple second connecting shafts 309. The other end of the second connecting shaft 309 is fixedly connected to the sealing plate 305, and the connecting part includes multiple abutment blocks 331 provided on the second connecting ring 310. The abutment blocks 331 are in contact with the first connecting ring 308. When the sealing plate 305 can be moved, the second connecting ring 310 will be driven to move by the second connecting shaft 309. After the second connecting ring 310 moves to the position in contact with the first connecting ring 308, the limit on the first sealing ring 304 is cancelled by rotating the pull rod 312, so that the sealing plate 305 can push the first sealing ring 304 to move, which can prevent the inside of the groove 303 from being filled with grouting material in advance, resulting in the sealing plate 305 being unable to effectively seal.

[0040] like Figures 2 to 6 As shown, in this embodiment, when the sealing plate 305 moves toward the slurry inlet 102 and the second sealing ring 306 contacts the sealing plate 305, continuing to move the sealing plate 305 will reduce the space close to the side of the connecting pipe 301, and the grouting material cannot be compressed. Therefore, it is necessary to increase the volume inside the connecting pipe 301 to ensure that the sealing plate 305 can move effectively. By providing a connecting pipe 313 on the connecting pipe 301, a release cylinder 314 is fixedly installed on the connecting pipe 313, and the release cylinder 314 is connected to a release transmission mechanism for controlling the internal volume of the release cylinder 314 and synchronously moving the sealing plate 305 when the volume of the release cylinder 314 is released, the volume inside the connecting pipe 301 can be increased while the sealing plate 305 moves, so that the sealing plate 305 can move smoothly.

[0041] Furthermore, the release transmission mechanism includes a partition 315 slidably mounted inside the release cylinder 314, and a round rod 316 is fixedly mounted on the partition 315. When the partition 315 rises, the space below the partition 315 can be released, at this time, space can be provided for the grouting material to move, and the movement of the partition 315 can drive the round rod 316 to move. The release transmission mechanism also includes a first transmission cylinder 318 detachably connected to the release cylinder 314 through a support rod 317, and a first blocking plate 319 is slidably mounted in the first transmission cylinder 318, and a first blocking plate 319 is fixedly mounted on the first blocking plate 319. The transmission rod 320, the first transmission rod 320 is detachably connected to the round rod 316, so that when the partition 315 moves, the first sealing plate 319 is synchronously driven to move, and the second transmission cylinder 321 is fixedly installed on the sealing sleeve 329, and the second sealing plate 322 is slidably installed in the second transmission cylinder 321, and the second transmission rod 323 is fixedly installed on the second sealing plate 322, and the second connecting ring 310 is fixedly installed with a connecting block 324. The second transmission rod 323 and the connecting block 324 are detachably connected, so that when the sealing plate 305 moves, the second sealing plate 322 will move synchronously.

[0042] It should be noted that both ends of the first transmission cylinder 318 are fixedly installed with a delivery pipe 325, and the other end of the delivery pipe 325 is respectively connected to the two ends of the second transmission cylinder 321. The first transmission cylinder 318, the second transmission cylinder 321 and the delivery pipe 325 are filled with a transmission medium. The transmission medium is a liquid that cannot be compressed under the working environment. After the grouting work inside the cylinder body 1 is completed, when the connecting pipe 301 is blocked, the movable sealing plate 305 will allow the grouting material inside the connecting pipe 301 to pass through the connecting pipe 313. Enter the release tube 314 and push the partition 315 to move, thereby driving the first sealing plate 319 to move. The moving first sealing plate 319 will squeeze the transmission medium and drive the second sealing plate 322 to move through the transmission of the transmission medium, and then drive the sealing plate 305 to move through the second transmission rod 323, so that the sealing plate 305 and the partition 315 move synchronously, preventing the grouting material from directly entering the release tube 314 through the gap between the sealing plate 305 and the sealing sleeve 329.

[0043] It is worth noting that a valve 326 is fixedly installed on one of the delivery pipes 325. By controlling the opening and closing of the valve 326, it is possible to control whether the transmission medium between the first transmission cylinder 318 and the second transmission cylinder 321 can flow to each other, thereby controlling whether the first sealing plate 319, the sealing plate 305 and the partition 315 can move.

[0044] like Figure 7 and Figure 8As shown, the slurry inlet 102 can be sealed by a valve, but since the fluidity and particle size of the slurry are different from those of water and gas, the valve may easily become stuck and unable to be effectively sealed, resulting in slurry leakage. Moreover, when the valve is sealed, the grouting material inside the valve will solidify synchronously with the grouting material inside the barrel, causing the valve to be scrapped and increasing the cost of use.

[0045] In this embodiment, Figure 9 As shown, by designing the connecting pipe 301, the support plate 302 and the release cylinder 314 to be symmetrically decomposed into two parts, one part of the connecting pipe 301, the support plate 302 and the release cylinder 314 are provided with a connecting groove 4, and the other part of the connecting pipe 301, the support plate 302 and the release cylinder 314 are fixedly installed with a connecting strip 401, and the two parts of the connecting pipe 301, the support plate 302 and the release cylinder 314 are fixedly connected by a fastener 402. After the hole on the support plate 302 is blocked by the sealing plate 305, the blocking sleeve 329 and the support plate 302, the first transmission rod 320 and the round rod 316, the second transmission rod 323 and the connecting block 324 can be first sealed, and the blocking sleeve 329 can be removed from the support plate 302. At this time, the grouting liquid that has not yet solidified in the blocking sleeve 329 is flushed, so that the blocking sleeve 329 and the hydraulic transmission system above it can be reused;

[0046] When the grouting material inside the barrel 1 solidifies, the connecting pipe 301, the support plate 302 and the release barrel 314 can be divided into two parts by removing the fastener 402, and the solidified grouting material core inside can be taken out, so that the connecting pipe 301, the support plate 302 and the release barrel 314 can be reused. Before use, the inside of the connecting pipe 301, the support plate 302 and the release barrel 314 can be coated with a release agent.

[0047] It is worth noting that before removing the sealing sleeve 329, the position of the sealing plate 305 needs to be fixed to prevent the sealing plate 305 from moving after the sealing sleeve 329 is removed, resulting in sealing failure. By fixing the internal threaded rod 327 on one side of the support plate 302, the internal thread of the internal threaded rod 327 is connected to the internal thread of the internal threaded rod 327 with a push rod 328 that limits the second connecting ring 310. By rotating the push rod 328, the push rod 328 is extended outward and the push rod 328 is pressed against the second connecting ring 310, which can prevent the second connecting ring 310 from shrinking, thereby fixing the position of the sealing plate 305.

[0048] In this embodiment, the two steel bars 2 to be connected are respectively inserted into the two ends of the barrel 1, and the connecting pipe 301 is connected to the grouting port 102. The grouting material is input into the interior of the plugging sleeve 329 through the connector 330 by the grouting device, so that the grouting material can enter the connecting pipe 301 through the gap between the plugging sleeve 329 and the sealing plate 305, and finally the grouting material enters the interior of the barrel 1. After the grouting is completed, the grouting port 101 is sealed and the pressure is maintained. After the pressure maintenance is completed, the partition 315 and the sealing plate 305 are moved synchronously by loosening the valve 326.

[0049] First, under the action of the grouting device, the grouting material enters the release tube 314 and simultaneously drives the sealing plate 305 to move. When the second sealing ring 306 contacts the sealing plate 305, the pull rod 312 is rotated to make the sealing plate 305 and the second sealing ring 306 move synchronously, so that the second sealing ring 306 can enter the groove 303, thereby completing the sealing of the support plate 302 and ensuring the stability of the sealing effect. During this process, the grouting material compressed by the sealing plate 305 can enter the release tube 314.

[0050] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art may make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A high-strength, corrosion-resistant, fully grouting sleeve, comprising a barrel (1), wherein the barrel (1) is provided with a slurry discharge port (101) and a slurry inlet port (102) at the upper and lower ends thereof, and characterized in that: Also includes: a sealing component (3) fixedly mounted on the pulp inlet (102), the sealing component (3) comprising a connecting pipe (301) detachably mounted on the pulp inlet (102), a supporting plate (302) fixedly mounted on the connecting pipe (301) and having a diameter larger than that of the connecting pipe (301), the supporting plate (302) being provided with a groove (303), a first sealing ring (304) being slidably mounted in the groove (303), a sealing plate (305) having a diameter larger than that of the connecting pipe (301) being slidably mounted on the supporting plate (302), and a second sealing ring (306) being provided on the sealing plate (305) cooperating with the groove (303); The sealing component (3) further comprises a limiting assembly for limiting the initial position of the first sealing ring (304), and a connecting piece for controlling the synchronous movement of the first sealing ring (304) and the sealing plate (305) after contact. The connecting pipe (301) is provided with a communicating pipe (313), a releasing cylinder (314) is fixedly mounted on the communicating pipe (313), and the releasing cylinder (314) is connected to a releasing transmission mechanism for controlling the internal volume of the releasing cylinder (314) and synchronously moving the sealing plate (305) when the volume of the releasing cylinder (314) is released.

2. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 1, characterized in that: A blocking sleeve (329) is detachably mounted on the support plate (302), and a connector (330) is provided at one end of the blocking sleeve (329), and the connector (330) is connected to a grouting device.

3. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 2, characterized in that: A plurality of first connecting shafts (307) are slidably mounted on the support plate (302), a first connecting ring (308) is fixedly mounted on the plurality of first connecting shafts (307), the limiting assembly comprises a baffle (311) provided on the first connecting ring (308), and a pull rod (312) is rotatably mounted on the connecting head (330).

4. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 3, characterized in that: A plurality of second connecting shafts (309) are slidably mounted on the support plate (302), a second connecting ring (310) is fixedly mounted on the plurality of second connecting shafts (309), and the connecting member comprises a plurality of abutment blocks (331) provided on the second connecting ring (310), and the abutment blocks (331) are in contact with the first connecting ring (308).

5. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 4, characterized in that: The release transmission mechanism comprises a partition (315) slidably mounted inside the release cylinder (314), and a round rod (316) is fixedly mounted on the partition (315).

6. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 5, characterized in that: The release transmission mechanism further comprises a first transmission cylinder (318) detachably connected to the release cylinder (314) via a support rod (317); a first blocking plate (319) is slidably mounted in the first transmission cylinder (318); a first transmission rod (320) is fixedly mounted on the first blocking plate (319); the first transmission rod (320) is detachably connected to the round rod (316); a second transmission cylinder (321) is fixedly mounted on the blocking sleeve (329); a second blocking plate (322) is slidably mounted in the second transmission cylinder (321); a second transmission rod (323) is fixedly mounted on the second blocking plate (322); a connecting block (324) is fixedly mounted on the second connecting ring (310); and the second transmission rod (323) is detachably connected to the connecting block (324).

7. A high-strength, corrosion-resistant, fully grouting sleeve according to claim 6, characterized in that: A delivery pipe (325) is fixedly installed at both ends of the first transmission cylinder (318), and the other end of the delivery pipe (325) is respectively connected to the two ends of the second transmission cylinder (321). The first transmission cylinder (318), the second transmission cylinder (321) and the delivery pipe (325) are all filled with a transmission medium, and a valve (326) is fixedly installed on one of the delivery pipes (325).

8. The high-strength, corrosion-resistant, fully grouting sleeve according to claim 7, characterized in that: An internal threaded rod (327) is fixedly mounted on one side of the support plate (302), and the internal threaded rod (327) is internally threadedly connected to a push rod (328) that limits the second connecting ring (310).

9. The high-strength, corrosion-resistant, fully grouting sleeve according to claim 8, characterized in that: The connecting tube (301), the support plate (302) and the release cylinder (314) can be symmetrically decomposed into two parts, wherein one part of the connecting tube (301), the support plate (302) and the release cylinder (314) are provided with a connecting groove (4), and the other part of the connecting tube (301), the support plate (302) and the release cylinder (314) are fixedly installed with a connecting strip (401), and the two parts of the connecting tube (301), the support plate (302) and the release cylinder (314) are fixedly connected by a fastener (402).

10. The high-strength, corrosion-resistant, fully grouting sleeve according to claim 9, characterized in that: Sealing plugs (103) are fixedly installed at both ends of the cylinder body (1), and steel bars (2) are fixedly installed inside the sealing plugs (103).

Citation Information

Patent Citations

  • Grouting sleeve with anchoring plate

    CN113463844A

  • Building assembly type sleeve grouting device

    CN118756899A

  • Steel bar connecting sleeve

    CN220150691U

  • Construction method of wall panel

    JP2021085270A

  • One-touch type coupling apparatus for steel reinforcing

    KR1020090011991A