Anti-seepage reinforcement grouting device for dam foundation of hydraulic engineering dam

Abstract

The invention discloses a water conservancy project dam foundation anti-seepage reinforcement grouting device which comprises a first grouting nozzle, clamping seats are distributed above the first grouting nozzle, connecting seats are distributed above the clamping seats, and grouting pipe joints are distributed on the sides, away from the clamping seats, of the connecting seats. The middle part of the top end of the grouting pipe joint is fixedly connected with a pipe body; the grouting nozzle, the clamping seat, the connecting seat, the grouting pipe joint and other structures are combined, so that the grout outlet amount of the grouting nozzle can be conveniently adjusted subsequently according to actual grouting requirements, damage to resources can be reduced, meanwhile, the grouting accuracy is improved, the situation that a certain position is excessively grouted, and the grouting quality is improved is avoided. And normal construction treatment of a subsequent hydraulic engineering dam foundation is affected, the overall practicability is higher, the grout outlet amount can be adjusted when the connecting base is rotated, the connecting base and the grouting nozzle are rotationally connected, and the aim of adjusting the grouting amount can be achieved in cooperation with a hole and a through hole formed in the bottom of the connecting base.

Description

Technical Field

[0001] The invention relates to the field of anti-seepage reinforcement grouting devices for a dam foundation of a water conservancy project, and in particular to an anti-seepage reinforcement grouting device for a dam foundation of a water conservancy project. Background Art

[0002] For example, the invention water conservancy project dam with the authorization announcement number CN114657995B refers to the dikes and weirs for intercepting rivers and water, the water-blocking dikes of reservoirs, rivers, etc. In the prior art, an anti-seepage sealing plate is installed at the junction of the gate dam foundation and the water area ground, and the two ends of the anti-seepage sealing plate are respectively fixedly connected to the gate dam foundation and the water area ground through anchor rods, and the back of the anti-seepage sealing plate is filled with waterproof sealant and cement slurry; The disclosed anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project and the reinforcement method thereof, through the design of a positioning groove and a positioning column, the first grouting head is prevented from rotating relative to the grouting pipe, through the design of a first sealing ring, the sealing of the connection between the grouting pipe and the first grouting head is increased, through the design of a first slide groove and a first slide plate, the connecting pipe is prevented from rotating relative to the second sleeve, and through the design of a second sealing ring, the sealing of the connection between the support ring and the second sleeve is increased. However, during the grouting process of the existing anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project, the slurry output of the grouting pipe is mostly fixed, and it is difficult to adjust the slurry output according to the actual grouting demand. Therefore, a certain degree of waste is inevitable during the grouting process, and a large amount of material will be lost if small amounts are accumulated, and the overall practicality is poor. Summary of the invention

[0003] In order to overcome the deficiencies in the prior art, the present invention provides an anti-seepage reinforcement grouting device for a dam foundation of a water conservancy project, which can solve the problems that the existing anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project prevents the first grouting head from rotating relative to the grouting pipe through the design of a positioning groove and a positioning column, increases the sealing of the connection between the grouting pipe and the first grouting head through the design of a first sealing ring, prevents the connecting pipe from rotating relative to the second sleeve through the design of a first slide groove and a first slide plate, and increases the sealing of the connection between the support ring and the second sleeve through the design of a second sealing ring. However, during the grouting process of the existing anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project, the slurry output of the grouting pipe is mostly fixed, and it is difficult to adjust the slurry output according to the actual grouting demand. Therefore, it is inevitable that a certain degree of waste will be caused during the grouting process, and a large amount of material will be lost if a small amount accumulates, resulting in a technical problem of poor overall practicality.

[0004] To solve the above technical problems, the present invention provides the following technical solutions: a seepage-proof reinforcement grouting device for the foundation of a dam in a water conservancy project, comprising a first grouting nozzle, a clamping seat is arranged above the first grouting nozzle, and a connecting seat is arranged above the clamping seat, a grouting pipe joint is arranged on the side of the connecting seat away from the clamping seat, and a pipe body is fixedly connected to the middle part of the top end of the grouting pipe joint, a clamping groove is arranged on the periphery of the top end of the first grouting nozzle, and the bottom of the clamping groove is connected with a through hole, a first through hole is arranged in the middle part of the top end of the first grouting nozzle, a first annular groove is arranged on the inner side wall of the top end of the first grouting nozzle, a second grouting nozzle is arranged in the inner cavity of the first grouting nozzle, a clamping seat is arranged on the periphery of the bottom of the connecting seat, a plug rod is arranged in the middle part of the bottom end of the connecting seat, and a second through hole is arranged at the bottom of the plug rod, a first clamping ring is sleeved on the outer side of one end of the plug rod, and a clamping structure is arranged on the surface of the clamping seat.

[0005] As a preferred technical solution of the present invention, the engaging structure includes a second snap ring and a second annular groove, the second snap ring is sleeved on the outer surface of the snap seat, and the inner side wall of the snap seat is provided with a second annular groove.

[0006] As a preferred technical solution of the present invention, a groove is provided on the inner side wall of the top end of the connecting seat, and a positioning hole is provided on the outer surface of the top end of the connecting seat.

[0007] As a preferred technical solution of the present invention, a protrusion is provided on the outer surface of the grouting pipe joint, and a reset spring is fixedly connected to the inner cavity of the protrusion, one end of the reset spring is fixedly connected to a positioning rod, and an auxiliary slide is sleeved on the outer side of one end of the positioning rod.

[0008] As a preferred technical solution of the present invention, the through holes are equidistantly distributed along the center point of the first grouting nozzle, and the number of the through holes is consistent with the number of holes opened in the inner cavity of the holder.

[0009] As a preferred technical solution of the present invention, the second grouting nozzle penetrates the inner cavity of the first grouting nozzle and extends to the bottom of the first grouting nozzle, and grouting holes are provided on the surfaces of the first grouting nozzle and the second grouting nozzle.

[0010] As a preferred technical solution of the present invention, the grooves are equidistantly distributed along the center point of the connecting seat, and the grooves and the connecting seat form an integrated structure.

[0011] As a preferred technical solution of the present invention, the positioning rod is slidably connected to the protrusion through the return spring, and the protrusions are equidistantly distributed along the center point of the grouting pipe joint.

[0012] Compared with the prior art, the present invention can achieve the following beneficial effects: 1. The structures such as the grouting nozzle, the clamping seat, the connecting seat and the grouting pipe joint can be combined to facilitate the subsequent adjustment of the grouting nozzle discharge amount according to the actual grouting needs, thereby reducing the damage to resources, and at the same time improve the accuracy of grouting, prevent excessive grouting at a certain place, and affect the normal construction of the dam foundation of the subsequent water conservancy project. The overall practicality is higher, and the grouting amount can be adjusted by rotating the connecting seat. The connecting seat and the grouting nozzle form a rotating connection, and the purpose of adjusting the grouting amount can be achieved by cooperating with the holes and through holes opened at the bottom of the connecting seat; 2. Combined with the reset spring, positioning rod and positioning hole and other structures, the quick disassembly and installation between the pipe body and the connecting seat can be facilitated, so that the pipe body can be disassembled and processed according to actual usage requirements. The overall flexibility is not only higher, but also more convenient for disassembly and assembly. When the grouting pipe joint is input into the notch opened at the top of the connecting seat, the reverse force generated by the reset spring deformation lock will push the positioning rod laterally, and then input one end of the positioning rod into the inner side of the positioning hole, so as to achieve a quick connection between the two, and it is also easy to disassemble later. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the first grouting nozzle of the anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to the present invention; Figure 3 It is a side view structural schematic diagram of a connection seat of a seepage prevention reinforcement grouting device for a dam foundation of a water conservancy project according to the present invention; Figure 4 It is a schematic diagram of the top view of the structure of the connection seat of the anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to the present invention; Figure 5 It is a schematic diagram of the side structure of the clamping seat of the anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to the present invention; Figure 6 It is a schematic diagram of the side structure of the grouting pipe joint of the anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to the present invention; Among them: 1. first grouting nozzle; 2. snap-fit ​​seat; 3. connecting seat; 4. grouting pipe joint; 5. pipe body; 6. snap-fit ​​groove; 7. through hole; 8. first through hole; 9. first annular groove; 10. second grouting nozzle; 11. snap-fit ​​seat; 12. plug rod; 13. second through hole; 14. first snap ring; 15. second snap ring; 16. second annular groove; 17. groove; 18. positioning hole; 19. bump; 20. reset spring; 21. positioning rod; 22. auxiliary slide plate. DETAILED DESCRIPTION

[0014] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0015] Example Please refer to Figure 1 and Figure 6 As shown, the present invention provides an anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project, comprising a first grouting nozzle 1, a clamping seat 2 is distributed above the first grouting nozzle 1, and a connecting seat 3 is distributed above the clamping seat 2, a grouting pipe joint 4 is distributed on the side of the connecting seat 3 away from the clamping seat 2, and a pipe body 5 is fixedly connected to the middle of the top of the grouting pipe joint 4, a clamping groove 6 is provided on the periphery of the top of the first grouting nozzle 1, and a through hole 7 is connected to the bottom of the clamping groove 6, a first through hole 8 is provided in the middle of the top of the first grouting nozzle 1, a first annular groove 9 is provided on the inner side wall of the top of the first grouting nozzle 1, a second grouting nozzle 10 is provided in the inner cavity of the first grouting nozzle 1, a clamping seat 11 is provided on the periphery of the bottom of the connecting seat 3, a plug rod 12 is provided in the middle of the bottom end of the connecting seat 3, and a second through hole 13 is provided at the bottom of the plug rod 12, a first clamping ring 14 is sleeved on the outer side of one end of the plug rod 12, and a clamping structure is provided on the surface of the clamping seat 2; When in use, first connect the clamping seat 2 with the top of the first grouting nozzle 1, then connect the connecting seat 3 with the clamping seat 2, and finally connect the grouting pipe joint 4 with the connecting seat 3. After the connection is completed, the grouting material is input through the pipe body 5 to achieve the purpose of grouting the dam foundation of the water conservancy project, and the grouting amount can be adjusted by rotating the connecting seat 3, which is more practical. As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a card seat 2 is distributed above the first grouting nozzle 1, and a connecting seat 3 is distributed above the card seat 2. The protrusion arranged at the bottom of the card seat 2 is a hollow structure, and the bottom is not closed. A grouting pipe joint 4 is distributed on the side of the connecting seat 3 away from the card seat 2, and a pipe body 5 is fixedly connected to the middle of the top of the grouting pipe joint 4. A card groove 6 is opened on the periphery of the top of the first grouting nozzle 1, and a through hole 7 is connected to the bottom of the card groove 6. The through holes 7 are equidistantly distributed along the center point of the first grouting nozzle 1, and the number of through holes 7 is consistent with the number of holes opened in the inner cavity of the card seat 11. A first through hole 8 is opened in the middle of the top of the first grouting nozzle 1, and a first ring is opened on the inner side wall of the top of the first grouting nozzle 1 shaped groove 9, the inner cavity of the first grouting nozzle 1 is provided with a second grouting nozzle 10, the second grouting nozzle 10 penetrates the inner cavity of the first grouting nozzle 1 and extends to the bottom of the first grouting nozzle 1, and the surfaces of the first grouting nozzle 1 and the second grouting nozzle 10 are both provided with grouting holes, a clamping seat 11 is provided on the outer periphery of the bottom of the connecting seat 3, a plug rod 12 is provided in the middle of the bottom end of the connecting seat 3, and a second through hole 13 is provided at the bottom of the plug rod 12, a first clamping ring 14 is sleeved on the outer side of one end of the plug rod 12, and a clamping structure is provided on the surface of the clamping seat 2, the clamping structure includes a second clamping ring 15 and a second annular groove 16, the second clamping ring 15 is sleeved on the outer surface of the clamping seat 2, and the inner side wall of the clamping seat 2 is provided with a second annular groove 16; During installation, firstly, the clamping seat 2 is clamped and connected to the top of the first grouting nozzle 1, that is, the protrusion arranged at the bottom of the clamping seat 2 is clamped in the notch opened in the middle of the top of the first grouting nozzle 1, and the second clamping ring 15 sleeved on the outer surface of the clamping seat 2 will be clamped in the inner side of the first annular groove 9. Since the protrusion arranged at the bottom of the clamping seat 2 is clamped with the notch opened in the middle of the top of the first grouting nozzle 1, the purpose of stable connection can be achieved. Subsequently, the insertion rod 12 arranged at the bottom of the connecting seat 3 will be clamped in the notch opened in the top of the clamping seat 2, and the clamping seat 11 arranged at the bottom of the connecting seat 3 will be clamped in the annular notch opened in the top of the clamping seat 2, and the first clamping ring 14 sleeved on the outer side of the bottom of the insertion rod 12 will be clamped in the second annular groove 1 6, so as to facilitate the subsequent rotation of the connecting seat 3. At the same time, since the number and position of the holes opened at the bottom of the clamping seat 11 correspond to the through holes 7, the multiple first through holes 8 and the second through holes 13 provided in combination can facilitate the subsequent adjustment of the slurry discharge amount in the rotating connecting seat 3. When the through holes 7 correspond to the holes opened at the bottom of the clamping seat 11, and the first through holes 8 and the second through holes 13 are staggered with each other, the first grouting nozzle 1 can be used for slurry discharge. When the through holes 7 and the holes opened at the bottom of the clamping seat 11 are staggered with each other, and the first through holes 8 and the second through holes 13 correspond with each other, the second grouting nozzle 10 will be used for slurry discharge. Since the slurry discharge holes opened on the surfaces of the two grouting nozzles are of different sizes, the slurry discharge amount can be adjusted. As a further implementation of this embodiment, Figure 1 , Figure 4 and Figure 6 As shown, a groove 17 is provided on the inner side wall of the top end of the connection seat 3, and the grooves 17 are equidistantly distributed along the center point of the connection seat 3, and the grooves 17 and the connection seat 3 form an integrated structure, a positioning hole 18 is provided on the outer surface of the top end of the connection seat 3, and a protrusion 19 is provided on the outer surface of the grouting pipe joint 4, and a return spring 20 is fixedly connected to the inner cavity of the protrusion 19, one end of the return spring 20 is fixedly connected to a positioning rod 21, and an auxiliary slide plate 22 is sleeved on the outer side of one end of the positioning rod 21, the positioning rod 21 is slidably connected to the protrusion 19 through the return spring 20, and the protrusion 19 is equidistantly distributed along the center point of the grouting pipe joint 4; When the connection between the pipe body 5 and the connecting seat 3 needs to be realized, the grouting pipe joint 4 will be engaged in the notch opened at the top of the connecting seat 3, and when the two are fully engaged, the multiple protrusions 19 will be respectively input into the corresponding grooves 17, and then the reverse force generated by the deformation lock of the return spring 20 will push the positioning rod 21 laterally, and then one end of the positioning rod 21 will be input into the inner side of the positioning hole 18, so as to realize the quick connection between the grouting pipe joint 4 and the connecting seat 3, and the auxiliary slide plate 22 is used to improve the stability of the positioning rod 21 during the lateral movement; Specific working principle: When assembling the entire structure, firstly, the clamping seat 2 is clamped and connected to the top of the first grouting nozzle 1, that is, the protrusion arranged at the bottom of the clamping seat 2 is clamped into the notch opened in the middle of the top of the first grouting nozzle 1, and at the same time, the second clamping ring 15 sleeved on the outer surface of the clamping seat 2 will be clamped into the inner side of the first annular groove 9. Since the protrusion arranged at the bottom of the clamping seat 2 is clamped into the notch opened in the middle of the top of the first grouting nozzle 1, the purpose of stable connection can be achieved. Subsequently, the insertion rod 12 arranged at the bottom of the connecting seat 3 will be clamped into the notch opened in the top of the clamping seat 2, and The clamping seat 11 arranged at the bottom of the connecting seat 3 will be engaged in the annular groove opened at the top of the clamping seat 2, and the first clamping ring 14 sleeved on the outer side of the bottom of the plug rod 12 will be engaged with the inner side of the second annular groove 16, so as to facilitate the subsequent rotation of the connecting seat 3. At the same time, since the holes opened at the bottom of the clamping seat 11 correspond to the number and position of the through holes 7, the multiple first through holes 8 and the second through holes 13 arranged in combination can facilitate the subsequent adjustment of the slurry output by rotating the connecting seat 3. When the through holes 7 correspond to the holes opened at the bottom of the clamping seat 11, When the first through hole 8 and the second through hole 13 are staggered with each other, the first grouting nozzle 1 can be used for grouting. When the through hole 7 and the hole opened at the bottom of the holder 11 are staggered with each other, and the first through hole 8 and the second through hole 13 correspond to each other, the second grouting nozzle 10 will be used for grouting. Since the grouting holes opened on the surfaces of the two grouting nozzles have different sizes, the grouting amount can be adjusted. When it is necessary to connect the pipe body 5 with the connecting seat 3, the grouting pipe joint 4 will be engaged in the notch opened at the top of the connecting seat 3, and when the two are completely engaged, the grouting pipe joint 4 will be engaged with the notch opened at the top of the connecting seat 3. When closed, multiple protrusions 19 will be respectively input into the corresponding grooves 17, and then the reverse force generated by the deformation lock of the return spring 20 will push the positioning rod 21 laterally, and then input one end of the positioning rod 21 into the inner side of the positioning hole 18, so as to realize the quick connection between the grouting pipe joint 4 and the connecting seat 3, and the auxiliary slide plate 22 is used to improve the stability of the positioning rod 21 during the lateral movement. The whole device can not only improve the grouting efficiency of the dam foundation of the water conservancy project, but also improve the grouting effect, and the overall practicality is higher.

[0016] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A grouting device for anti-seepage reinforcement of a dam foundation of a water conservancy project, comprising a first grouting nozzle (1), characterized in that: A clamping seat (2) is arranged above the first grouting nozzle (1), and a connecting seat (3) is arranged above the clamping seat (2); a grouting pipe joint (4) is arranged on a side of the connecting seat (3) away from the clamping seat (2), and a pipe body (5) is fixedly connected to the middle of the top end of the grouting pipe joint (4); a clamping groove (6) is arranged on the periphery of the top end of the first grouting nozzle (1), and a through hole (7) is connected to the bottom of the clamping groove (6); a first through hole is arranged in the middle of the top end of the first grouting nozzle (1). (8), a first annular groove (9) is provided on the inner side wall of the top end of the first grouting nozzle (1), a second grouting nozzle (10) is provided in the inner cavity of the first grouting nozzle (1), a clamping seat (11) is provided on the outer periphery of the bottom of the connecting seat (3), an insertion rod (12) is provided in the middle of the bottom end of the connecting seat (3), and a second through hole (13) is provided on the bottom of the insertion rod (12), a first clamping ring (14) is sleeved on the outer side of one end of the insertion rod (12), and a clamping structure is provided on the surface of the clamping seat (2).

2. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 1, characterized in that: The clamping structure comprises a second clamping ring (15) and a second annular groove (16); the second clamping ring (15) is sleeved on the outer surface of the clamping seat (2); and the inner side wall of the clamping seat (2) is provided with the second annular groove (16).

3. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 1, characterized in that: A groove (17) is provided on the inner side wall of the top end of the connection seat (3), and a positioning hole (18) is provided on the outer surface of the top end of the connection seat (3).

4. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 1, characterized in that: The outer surface of the grouting pipe joint (4) is provided with a protrusion (19), and the inner cavity of the protrusion (19) is fixedly connected to a return spring (20), one end of the return spring (20) is fixedly connected to a positioning rod (21), and an auxiliary slide plate (22) is sleeved on the outer side of one end of the positioning rod (21).

5. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 1, characterized in that: The through holes (7) are equidistantly distributed along the center point of the first grouting nozzle (1), and the number of the through holes (7) is consistent with the number of holes opened in the inner cavity of the holder (11).

6. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 1, characterized in that: The second grouting nozzle (10) passes through the inner cavity of the first grouting nozzle (1) and extends to the bottom of the first grouting nozzle (1), and grouting holes are provided on the surfaces of the first grouting nozzle (1) and the second grouting nozzle (10).

7. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 3, characterized in that: The grooves (17) are distributed at equal distances along the center point of the connection seat (3), and the grooves (17) and the connection seat (3) form an integrated structure.

8. The anti-seepage reinforcement grouting device for the dam foundation of a water conservancy project according to claim 4, characterized in that: The positioning rod (21) is slidably connected to the protrusion (19) via the return spring (20), and the protrusions (19) are equidistantly distributed along the center point of the grouting pipe joint (4).

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