Pile foundation underwater concrete pouring guide pipe pressure relief device

Abstract

The utility model provides a pressure relief device for an underwater concrete pouring guide pipe of a pile foundation, which belongs to the field of building construction and comprises a guide pipe arranged in a hole pile, the top of the guide pipe is connected with the bottom of a feeding hopper, and the surface of the top end of the guide pipe is connected with a through hole formed in the middle of the top of a positioning plate in a penetrating mode. Limiting assemblies are arranged on the two sides of the inner wall edge of the through hole, and supporting assemblies are arranged on the two sides of the bottom of the positioning plate. The two sets of grips drive the two limiting plates to rotate on the surfaces of the fixing shafts on the inner walls of the two mounting bases, the two limiting plates drive the two arc-shaped limiting blocks to rotate till the inner walls of the two arc-shaped limiting blocks are clamped with the surface of a guide pipe, the two arc-shaped limiting blocks are extruded according to the size of the guide pipe, and therefore the guide pipe can be fixed. And two arc-shaped limiting blocks are matched with the inner walls of two limiting grooves to extrude a plurality of telescopic rods and limiting springs, so that the surface of the guide pipe is limited and fixed, shaking during construction is avoided, and meanwhile the use cost of the device structure is reduced.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to a pressure relief device for a pile foundation underwater concrete pouring conduit. Background Art

[0002] After the foundation piles of bridges or building construction are bored, if there is water and underwater concrete needs to be poured, the method is to set up a conduit, the root of the conduit is connected to the underwater pile foundation, and a hopper is installed on the upper part of the conduit. When loading, normal concrete will generally fall into the conduit and be flipped along the conduit into the hole pile outside the conduit through the concrete pressure. After searching, the application number CN202123042523.7 disclosed a pile foundation underwater concrete pouring conduit pressure relief device, which records that it includes a positioning bracket arranged on the top surface of the hole pile, a slot is provided in the middle position of the positioning bracket, a conduit connected to the bottom end of the hole pile is provided in the slot, an upper hopper is provided on the top of the conduit, a slot is provided in the side wall of the upper hopper, an air guide pipe is provided in the slot, and four fixed The top of the column and the positioning bracket are located on both sides of the conduit and there are slide grooves. Two symmetrical fixing mechanisms are provided in the slide grooves. The two arc-shaped fixing grooves on the fixing mechanisms are pushed by the hydraulic cylinder to drive the arc-shaped fixing grooves to fix the conduit, thereby increasing the stability of the conduit. At the same time, the conduit is connected to the outside world through the air guide tube in the slot to avoid the vacuum area in the tube, which is convenient for concrete to enter the pile hole. However, the above description still has the following defects in actual use: the device lacks the function of auxiliary support for the positioning structure during use, and the area of ​​the cast support is uneven. At the same time, the method of limiting and fixing the conduit is not convenient enough and the cost is high. Therefore, it is necessary to design a practical pile foundation underwater concrete pouring conduit pressure relief device. Utility Model Content

[0003] The purpose of the utility model is to provide a pressure relief device for underwater concrete pouring conduit of a pile foundation, so as to solve the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pressure relief device for underwater concrete pouring pipes for pile foundations, comprising a pipe arranged inside a pile hole, the top of the pipe being connected to the bottom of an upper hopper, the surface of the top end of the pipe being connected through a through hole provided in the middle of the top of a positioning plate, limiting assemblies being provided on both sides of the inner wall edge of the through hole, and supporting assemblies being provided on both sides of the bottom of the positioning plate;

[0005] A limit assembly, wherein the limit assembly includes two mounting seats installed on both sides of the inner wall edge of the through hole, the inner walls of the two mounting seats are provided with a fixed shaft, the surfaces of the two fixed shafts are sleeved with a limit plate, both ends of the two limit plates are provided with a handle, and the opposite sides of the two limit plates are provided with a limit groove, the inner walls of the two limit grooves are fixedly connected to the two arc-shaped limit blocks through a plurality of telescopic rods, the surfaces of the plurality of telescopic rods are sleeved with a limit spring, and the inner walls of the two arc-shaped limit blocks are engaged with the surface of the catheter;

[0006] The support assembly includes two support plates installed on both sides of the bottom of the positioning plate, support sleeves are provided on both sides of the bottom of the two support plates, compression springs are provided on the tops of the inner walls of the two groups of support sleeves, the bottoms of the two groups of compression springs are fixedly connected to the sliders provided on the tops of the two groups of support rods, the sides of the two groups of sliders are slidably connected to the cavities provided on the inner walls of the two groups of support sleeves, and plugs are provided at the bottoms of the two groups of support rods.

[0007] As a preferred solution of the present invention: a plurality of mounting holes are provided on both sides of the top of the positioning plate, and the inner walls of the plurality of mounting holes are threadedly connected to a plurality of hole grooves provided in the middle of the tops of the two support plates through mounting pins.

[0008] As a preferred solution of the present invention: a plurality of through grooves are provided on the surface of the top of the positioning plate.

[0009] As a preferred solution of the present invention: the areas on both sides of the inner wall of the through hole are provided with engaging grooves, and the inner walls of the two engaging grooves are engaged with the bottom ends of the two mounting seats.

[0010] As a preferred solution of the present invention: the conduit is composed of a plurality of branch pipes, and the branch pipes are all fixed by means of a fixing ring and a mounting sleeve thread.

[0011] As a preferred solution of the present invention: a connecting groove is provided on the inner wall of the upper hopper, and a pressure relief pipe is snap-connected to the inner wall of the connecting groove.

[0012] As a preferred solution of the present invention, anti-slip grooves are provided on the inner walls of the two arc-shaped limit blocks on the opposite side.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The two limit plates are driven by two sets of handles to rotate on the fixed axis surfaces of the inner walls of the two mounting seats, and the two limit plates drive the two arc-shaped limit blocks to rotate until the inner walls of the two arc-shaped limit blocks are engaged with the surface of the catheter. The two arc-shaped limit blocks are squeezed according to the size of the catheter. The two arc-shaped limit blocks cooperate with the inner walls of the two limit grooves to squeeze a number of telescopic rods and limit springs, thereby completing the limit fixation of the catheter surface, avoiding shaking during construction, and reducing the use cost of the device structure;

[0015] (2) By fixing the positioning plate to the two support plates, the plugs at the bottom of the two sets of support rods are inserted and engaged with the area around the hole piles. The two sets of support rods drive the two sets of sliders to move in the cavities on the inner walls of the two sets of support sleeves. The two sets of sliders squeeze the two sets of compression springs inside to different degrees, thereby facilitating the support of the two support plates, thereby adapting to the terrain of the area around the hole piles, and facilitating the stable support of the positioning plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a partial structural diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the support assembly structure of the present utility model.

[0020] In the figure: 1. Conduit; 101. Branch pipe; 102. Fixed ring; 103. Mounting sleeve; 11. Upper hopper; 12. Positioning plate; 13. Through hole; 14. Mounting hole; 15. Mounting pin; 16. Through slot; 17. Engaging slot; 18. Connecting slot; 19. Pressure relief pipe; 2. Limiting assembly; 21. Mounting seat; 22. Fixed shaft; 23. Limiting plate; 24. Handle; 25. Limiting slot; 26. Telescopic rod; 27. Arc-shaped limiting block; 28. Limiting spring; 3. Support assembly; 31. Support plate; 32. Support sleeve; 33. Compression spring; 34. Support rod; 35. Slider; 36. Plug; 37. Hole slot. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 4 A pressure relief device for underwater concrete pouring of a pile foundation comprises a pipe 1 arranged inside a pile hole, the top of the pipe 1 being connected to the bottom of an upper hopper 11, the surface of the top end of the pipe 1 being connected through a through hole 13 provided in the middle of the top of a positioning plate 12, limiting components 2 being provided on both sides of the inner wall edge of the through hole 13, and supporting components 3 being provided on both sides of the bottom of the positioning plate 12;

[0023] See also Figure 3 , the limit assembly 2, the limit assembly 2 includes two mounting seats 21 installed on both sides of the inner wall edge of the through hole 13, the inner walls of the two mounting seats 21 are provided with fixed shafts 22, the surfaces of the two fixed shafts 22 are sleeved with limit plates 23, and both ends of the two limit plates 23 are provided with handles 24. The opposite side of the two limit plates 23 is provided with a limit groove 25, and the inner walls of the two limit grooves 25 are fixedly connected to the two arc-shaped limit blocks 27 through a number of telescopic rods 26. The surfaces of the several telescopic rods 26 are sleeved with limit springs 28, and the inner walls of the two arc-shaped limit blocks 27 are engaged with the surface of the catheter 1.

[0024] During specific use: the two sets of handles 24 drive the two limit plates 23 to rotate on the surface of the fixed shaft 22 on the inner wall of the two mounting seats 21, and the two limit plates 23 drive the two arc-shaped limit blocks 27 to rotate until the inner walls of the two arc-shaped limit blocks 27 are engaged with the surface of the catheter 1. The two arc-shaped limit blocks 27 are squeezed according to the size of the catheter 1. The two arc-shaped limit blocks 27 cooperate with the inner walls of the two limit grooves 25 to squeeze several telescopic rods 26 and limit springs 28, thereby completing the limiting fixation of the surface of the catheter 1, avoiding shaking during construction, and reducing the use cost of the device structure.

[0025] See also Figure 4 , support assembly 3, the support assembly 3 includes two support plates 31 installed on both sides of the bottom of the positioning plate 12, support sleeves 32 are provided on both sides of the bottom of the two support plates 31, and compression springs 33 are provided on the top of the inner walls of the two groups of support sleeves 32. The bottoms of the two groups of compression springs 33 are fixedly connected to the sliders 35 provided on the tops of the two groups of support rods 34, and the sides of the two groups of sliders 35 are slidably connected to the cavities provided on the inner walls of the two groups of support sleeves 32, and the bottoms of the two groups of support rods 34 are provided with plugs 36.

[0026] During specific use: the positioning plate 12 is installed and fixed to the two support plates 31, and the plugs 36 at the bottom of the two groups of support rods 34 are inserted and engaged with the area around the hole piles. The two groups of support rods 34 drive the two groups of sliders 35 to move in the cavities on the inner walls of the two groups of support sleeves 32. The two groups of sliders 35 squeeze the two groups of compression springs 33 inside to different degrees, so as to facilitate the support of the two support plates 31, thereby adapting to the terrain of the area around the hole piles, so as to provide stable support for the positioning plate 12.

[0027] See also Figure 3 、 Figure 4 A plurality of mounting holes 14 are provided on both sides of the top of the positioning plate 12 , and the inner walls of the plurality of mounting holes 14 are threadedly connected to a plurality of hole grooves 37 provided in the middle of the top of the two support plates 31 through mounting pins 15 .

[0028] During specific use, a plurality of mounting pins 15 are inserted into a plurality of mounting holes 14 and the hole slots 37 , thereby fixing the positioning plate 12 and the two support plates 31 , thereby facilitating support of the positioning plate 12 .

[0029] See also Figure 2 A plurality of through slots 16 are formed on the top surface of the positioning plate 12 .

[0030] During specific use, the plurality of through grooves 16 on the top surface of the positioning plate 12 facilitate the discharge of the slurry discharged from the conduit 1 by depressurization.

[0031] See also Figure 3 , the areas on both sides of the inner wall of the through hole 13 are provided with engaging grooves 17 , and the inner walls of the two engaging grooves 17 are engaged with the bottom ends of the two mounting seats 21 .

[0032] During specific use, the bottom ends of the two mounting seats 21 are engaged with the inner walls of the two engaging grooves 17 , thereby fixing the two mounting seats 21 to the positioning plate 12 .

[0033] See also Figure 2 The conduit 1 is composed of several branch pipes 101, and the branch pipes 101 are all fixed by screw threads through a fixing ring 102 and a mounting sleeve 103.

[0034] During specific use, several branch pipes 101 are threadedly fixed with the fixing ring 102 and the installation sleeve 103, so as to facilitate segmented disassembly and installation.

[0035] See also Figure 2 A connecting groove 18 is provided on the inner wall of the upper hopper 11 , and a pressure relief pipe 19 is engaged with the inner wall of the connecting groove 18 .

[0036] During specific use: the surface of the pressure relief pipe 19 is engaged with the inner wall of the connecting groove 18, so as to facilitate its installation and fixation with the upper hopper 11, and the structure of the pressure relief pipe 19 is coordinated to avoid the vacuum area and prevent the concrete from being unable to enter the conduit 1 normally.

[0037] See also Figure 3 The inner walls of the two arc-shaped limit blocks 27 on the opposite side are both provided with anti-slip grooves.

[0038] During specific use, the two arc-shaped limiting blocks 27 cooperate with the anti-slip grooves on the inner wall to facilitate limiting and fixing the surface of the catheter 1, further preventing it from moving.

[0039] When in use, the two sets of handles 24 drive the two limit plates 23 to rotate on the surfaces of the fixed shafts 22 on the inner walls of the two mounting seats 21, and the two limit plates 23 drive the two arc-shaped limit blocks 27 to rotate until the inner walls of the two arc-shaped limit blocks 27 are engaged with the surface of the catheter 1. The two arc-shaped limit blocks 27 are squeezed according to the size of the catheter 1, and the two arc-shaped limit blocks 27 cooperate with the inner walls of the two limit grooves 25 to squeeze the multiple telescopic rods 26 and the limit springs 28 to complete the limit fixation of the catheter 1 surface, avoiding The shaking occurs during construction, which reduces the use cost of the device structure; the positioning plate 12 and the two support plates 31 are installed and fixed, and the plugs 36 at the bottom of the two groups of support rods 34 are inserted and engaged with the area around the hole piles. The two groups of support rods 34 drive the two groups of sliders 35 to move in the cavities on the inner walls of the two groups of support sleeves 32. The two groups of sliders 35 squeeze the two groups of compression springs 33 inside to different degrees, support the two support plates 31, adapt to the terrain of the area around the hole piles, so as to provide stable support for the positioning plate 12.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pressure relief device for underwater concrete pouring pipe of pile foundation, characterized in that: The invention comprises a conduit (1) arranged inside the hole pile, the top of the conduit (1) is connected to the bottom of the upper hopper (11), the surface of the top end of the conduit (1) is connected to the through hole (13) provided in the middle of the top of the positioning plate (12), and the two sides of the inner wall edge of the through hole (13) are provided with a limit assembly (2), and the two sides of the bottom of the positioning plate (12) are provided with a support assembly (3); A limit assembly (2), the limit assembly (2) comprising two mounting seats (21) mounted on both sides of the inner wall edge of the through hole (13), the inner walls of the two mounting seats (21) are each provided with a fixed shaft (22), the surfaces of the two fixed shafts (22) are each sleeved with a limit plate (23), both ends of the two limit plates (23) are each provided with a handle (24), the opposite sides of the two limit plates (23) are each provided with a limit groove (25), the inner walls of the two limit grooves (25) are each fixedly connected to two arc-shaped limit blocks (27) through a plurality of telescopic rods (26), the surfaces of the plurality of telescopic rods (26) are each sleeved with a limit spring (28), and the inner walls of the two arc-shaped limit blocks (27) are snap-fitted and connected to the surface of the conduit (1); A support assembly (3), the support assembly (3) includes two support plates (31) installed on both sides of the bottom of the positioning plate (12), support sleeves (32) are provided on both sides of the bottom of the two support plates (31), compression springs (33) are provided on the tops of the inner walls of the two groups of support sleeves (32), the bottoms of the two groups of compression springs (33) are fixedly connected to the sliders (35) provided on the tops of the two groups of support rods (34), the sides of the two groups of sliders (35) are slidably connected to the cavities provided on the inner walls of the two groups of support sleeves (32), and the bottoms of the two groups of support rods (34) are provided with plugs (36).

2. A pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: A plurality of mounting holes (14) are provided on both sides of the top of the positioning plate (12), and the inner walls of the plurality of mounting holes (14) are threadedly connected to a plurality of hole grooves (37) provided in the middle of the tops of the two support plates (31) through mounting pins (15).

3. The pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: The top surface of the positioning plate (12) is provided with a plurality of through grooves (16).

4. The pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: The areas on both side edges of the inner wall of the through hole (13) are provided with engaging grooves (17), and the inner walls of the two engaging grooves (17) are engaged with the bottom ends of the two mounting seats (21).

5. The pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: The conduit (1) is composed of a plurality of branch pipes (101), and the plurality of branch pipes (101) are all threadedly fixed via a fixing ring (102) and a mounting sleeve (103).

6. The pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: The inner wall of the upper hopper (11) is provided with a connecting groove (18), and the inner wall of the connecting groove (18) is engaged with a pressure relief pipe (19).

7. The pressure relief device for underwater concrete pouring pipe for pile foundation according to claim 1, characterized in that: Anti-slip grooves are provided on the inner walls of the two arc-shaped limit blocks (27) on the opposite side.

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