Bottom grouting device for cast-in-place pile

Abstract

The utility model relates to the technical field of civil engineering, and discloses a cast-in-place pile bottom grouting device which comprises a main body structure, a fixing structure is arranged at the upper end of the main body structure, a clamping column is arranged at the joint of the main body structure and the fixing structure, and a connecting structure is arranged at the upper end of the fixing structure. A top plate is arranged at the connecting position of the fixing structure and the connecting structure, the main body structure comprises a fixing plate, a threaded through hole is formed in the top end of the fixing plate, a tenon is fixedly connected to the inner side of the fixing plate, and the fixing plate is clamped with a mortise in the inner side of the connecting plate through the tenon on the inner side of the fixing plate. A top plate rotates, a clamping column is inserted into a connecting plate to be fixed to the side face of a mortise, a fixing plate is fixedly connected with the connecting plate, clamping connection replaces bolts conveniently, finally, the top plate is fixed to the top end of the fixing plate through first bolts, and when the leakage plate conducts cleaning operation, large rocks can be prevented from being cleaned, and the stability of the bottom end structure is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, and more specifically to a grouting device at the bottom of a cast-in-place pile. Background Art

[0002] The bottom grouting device of the bored pile is a device used to grout at the bottom of the bored pile. Bored pile is a commonly used foundation engineering method. By pouring concrete after digging a hole in the ground, a solid bearing layer is formed to support buildings or other structures. The bottom grouting device usually consists of a grouting pipe and a grouting pump. Concrete or other materials are injected into the bottom of the bored pile through the grouting pipe.

[0003] Chinese patent publication number CN218990144U discloses a grouting device for the bottom of a bored pile. The utility model relates to the field of foundation technology, and specifically to a grouting device for the bottom of a pile end and a bored pile, aiming to solve the defects of the prior art that the timing and conditions of rupture of the grouting cavity are difficult to control. The grouting device for the bottom of the pile end includes a fixed plate; a slurry storage bag, which is fixed on the fixed plate, the slurry storage bag forms a receiving cavity suitable for accommodating slurry, or the slurry storage bag and the fixed plate form a receiving cavity suitable for accommodating slurry, the slurry storage bag has a filled state in which the slurry is filled inside to support the pile body and a hollow collapsed state inside, the slurry storage bag has a preset fixed ultimate bearing strength value and a fixed volume in the filled state. (ESM) The same invention has been applied for an invention patent on the same day.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. The existing grouting device at the bottom of the bored pile usually uses bolts to fix the fixing plate and the slurry storage bag. This connection method makes the connection area between the fixing plate and the slurry storage bag small, resulting in uneven force on the slurry storage bag. Too many bolts are required at the connection, which makes the installation of the device more troublesome.

[0006] 2. Most of the existing grouting devices at the bottom of the bored pile are connected by multi-end pipes, and the joints are usually fixed directly with bolts, which makes the sealing of the joints poor and requires bolts to be fixed around the outside, which increases the workload of operators. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a grouting device for the bottom of a cast-in-place pile, which solves the problems in the prior art:

[0009] 1. The existing grouting device at the bottom of the cast-in-place pile usually uses bolts to fix the fixing plate and the grout storage bag. This connection method makes the connection area between the fixing plate and the grout storage bag small, resulting in uneven force on the grout storage bag. Too many bolts are required at the connection point, which makes the installation of the device more troublesome.

[0010] 2. Most of the existing grouting devices at the bottom of the bored pile are connected by multi-end pipes, and the joints are usually fixed directly with bolts, which makes the sealing of the joints poor and requires bolts to be fixed around the outside, which increases the workload of operators.

[0011] (II) Technical solution

[0012] In order to overcome the above-mentioned defects of the prior art, the utility model provides a grouting device at the bottom of a cast-in-place pile to solve the problems existing in the above-mentioned background technology.

[0013] The utility model provides the following technical solution: a grouting device for the bottom of a cast-in-place pile, comprising a main structure, a fixing structure is arranged at the upper end of the main structure, a clamping column is arranged at the connection between the main structure and the fixing structure, a connecting structure is arranged at the upper end of the fixing structure, and a top plate is arranged at the connection between the fixing structure and the connecting structure;

[0014] Furthermore, the main structure includes a fixing plate, a threaded through hole is opened at the top of the fixing plate, a tenon is fixedly connected to the inner side of the fixing plate, a clamping hole is opened at the bottom end of the tenon, a rubber pad is movably connected to the bottom end of the fixing plate, and a connecting plate is fixedly connected to the bottom end of the rubber pad.

[0015] Furthermore, a slurry storage bag is fixedly connected to the bottom end of the connecting plate, a mortise is fixedly connected to the inner side of the connecting plate, a snap-in hole is opened on the outer side of the mortise, the bottom end of the tenon is movably sleeved inside the mortise, and the tenon snap-in hole corresponds to the mortise snap-in hole.

[0016] Furthermore, the fixing structure includes a top plate, a threaded through hole is opened at the top of the top plate, a first bolt is movably sleeved inside the threaded through hole of the top plate, a fixing plate is movably sleeved at the bottom end of the first bolt, and a leaking plate is fixedly connected to the bottom end of the top plate.

[0017] Furthermore, a connection block is fixedly connected to the outer side of the top plate, the connection blocks are arranged in a ring array, a clamping column is fixedly connected to one side of the connection block, and a tenon and a tenon groove are movably sleeved on the outer side of the clamping column.

[0018] (III) Beneficial effects

[0019] Technical effects and advantages of the utility model:

[0020] 1. The utility model is provided with a main structure and a fixing structure. The tenon on the inner side of the fixing plate is engaged with the tenon groove on the inner side of the connecting plate. The top plate is rotated and the clamping column is inserted into the connecting plate and the side of the tenon groove for fixing. The fixing plate and the connecting plate are fixedly connected. It is more convenient to replace the bolts by clamping and connecting. Finally, the top plate is fixed to the top of the fixing plate by the first bolt. When the leakage plate is cleaning, it can prevent larger rocks from being cleaned, thereby ensuring the stability of the bottom structure.

[0021] 2. The utility model is provided with a connection structure, the first lower connecting barrel and the first upper connecting barrel are fixedly connected by a second bolt, a rubber pad is added between the first lower connecting barrel and the first upper connecting barrel to ensure sealing, a connecting ring is provided between the second lower connecting barrel and the second upper connecting barrel, and they are fixed by bolts, and the third lower connecting barrel and the third upper connecting barrel are fixed by a fixing ring, and multiple sets of replacement methods are used to enhance the stability of the pipeline connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model.

[0024] Figure 3 It is a schematic diagram of the main structure of the utility model.

[0025] Figure 4 It is a schematic diagram of the fixing structure of the utility model.

[0026] Figure 5 It is a schematic diagram of the connection structure of the utility model.

[0027] Figure 6 It is a schematic diagram of the connection structure of the utility model.

[0028] Figure 7 It is a schematic diagram of the connection structure of the utility model.

[0029] The accompanying drawings are marked as follows: 1. main structure; 101. fixing plate; 102. tenon; 103. rubber pad; 104. connecting plate; 105. slurry storage bag; 106. tenon; 2. fixing structure; 201. top plate; 202. first bolt; 203. leak plate; 204. connecting block; 205. clamping column; 3. connecting structure; 301. first lower connecting barrel; 302. first upper connecting barrel; 303. second bolt; 304. second lower connecting barrel; 305. connecting ring; 306. second upper connecting barrel; 307. third lower connecting barrel; 308. third upper connecting barrel; 309. fixing ring. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the civil engineering involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0031] Reference Figure 1-4 The utility model provides a grouting device for the bottom of a cast-in-place pile, comprising a main structure 1, a fixed structure 2 is arranged on the upper end of the main structure 1, a clamping column 205 is arranged at the connection between the main structure 1 and the fixed structure 2, a connecting structure 3 is arranged on the upper end of the fixed structure 2, and a top plate 201 is arranged at the connection between the fixed structure 2 and the connecting structure 3;

[0032] Among them, the main structure 1 includes a fixing plate 101, a threaded through hole is opened at the top of the fixing plate 101, a tenon 102 is fixedly connected to the inner side of the fixing plate 101, a clamping hole is opened at the bottom of the tenon 102, a rubber pad 103 is movably connected to the bottom of the fixing plate 101, and a connecting plate 104 is fixedly connected to the bottom of the rubber pad 103. It is more convenient to fix the fixing plate 101 and the connecting plate 104 by clamping and connecting instead of bolts.

[0033] Among them, the slurry storage bag 105 is fixedly connected to the bottom end of the connecting plate 104, and the tenon 106 is fixedly connected to the inner side of the connecting plate 104. A snap-in hole is opened on the outer side of the tenon 106. The bottom end of the tenon 102 is movably sleeved in the tenon 106, and the snap-in hole of the tenon 102 corresponds to the snap-in hole of the tenon 106. The rotating snap-in column 205 of the top plate 201 is inserted into the connecting plate 104 and the side of the tenon 106 for fixing.

[0034] Among them, the fixed structure 2 includes a top plate 201, a threaded through hole is opened at the top of the top plate 201, a first bolt 202 is movably sleeved inside the threaded through hole of the top plate 201, a fixed plate 101 is movably sleeved at the bottom end of the first bolt 202, and a leak plate 203 is fixedly connected to the bottom end of the top plate 201. When performing cleaning operations, the leak plate 203 can prevent larger rocks from being cleaned, thereby ensuring the stability of the bottom structure.

[0035] Among them, a connecting block 204 is fixedly connected to the outside of the top plate 201, and the connecting blocks 204 are arranged in a ring array. A clamping column 205 is fixedly connected to one side of the connecting block 204, and a tenon 102 and a tenon groove 106 are movably sleeved on the outside of the clamping column 205.

[0036] Embodiment 1;

[0037] See also Figure 5The connection structure 3 includes a first lower connection barrel 301, threaded through holes are provided on both sides of the top of the first lower connection barrel 301, a first upper connection barrel 302 is provided on the upper end of the first lower connection barrel 301, threaded through holes are provided on both sides of the first upper connection barrel 302, the threaded through holes of the first lower connection barrel 301 correspond to the threaded through holes of the first upper connection barrel 302, and the second bolts 303 are movably sleeved inside the threaded through holes of the first lower connection barrel 301 and the first upper connection barrel 302. When in use, the top of the first lower connection barrel 301 is first contacted with the first upper connection barrel 302, a rubber pad is added between the first lower connection barrel 301 and the first upper connection barrel 302 to ensure sealing, and the threaded through holes of the first lower connection barrel 301 correspond to the threaded through holes of the first upper connection barrel 302, and then the second bolts 303 are inserted into the inside for fixing, so that connection and disassembly are relatively convenient;

[0038] Embodiment 2:

[0039] See also Figure 6 The connection structure 3 includes a second lower connection barrel 304, a connecting ring 305 is movably sleeved on the upper end of the second lower connection barrel 304, a second upper connection barrel 306 is movably sleeved on the upper end of the connecting ring 305, a fixing hole is provided at the connection between the second lower connection barrel 304 and the connecting ring 305, and a fixing hole is provided at the connection between the connecting ring 305 and the second upper connection barrel 306. When in use, first insert the second lower connection barrel 304 and the second upper connection barrel 306 into the upper and lower ends of the connecting ring 305 respectively, then make the fixing holes of the second lower connection barrel 304 and the second upper connection barrel 306 correspond to the fixing holes of the connecting ring 305, and finally insert the fixing bolts into the interior to fix the two ends;

[0040] Embodiment three;

[0041] See also Figure 7 The connection structure 3 includes a third lower connecting barrel 307, a third upper connecting barrel 308 is arranged on the upper end of the third lower connecting barrel 307, and the connection between the third lower connecting barrel 307 and the third upper connecting barrel 308 is movably sleeved with fixing rings 309 on both sides, and the two fixing rings 309 are fixedly connected by bolts. When in use, the third lower connecting barrel 307 and the third upper connecting barrel 308 are first connected, and then the fixing ring 309 is surrounded from the connection so that the connection between the third lower connecting barrel 307 and the third upper connecting barrel 308 is wrapped inside, and finally the two fixing rings 309 are fixedly connected by bolts.

[0042] The working principle of the utility model: before use, first check whether the device is normal to ensure that the device can operate normally when in use. When in use, first insert the tenon 102 on the inner side of the fixing plate 101 into the inner tenon groove 106 of the connecting plate 104. At this time, the tenon 102 clamping hole is connected with the tenon groove 106 clamping hole, and a rubber pad 103 is provided between the fixing plate 101 and the connecting plate 104 to ensure the stability of the connection. Finally, put the top plate 201 in from the top of the fixing plate 101, rotate the top plate 201, rotate the connecting block 204 and the clamping column 205, and at this time, the clamping column 205 is inserted into the tenon 102 and the tenon groove 106 for fixing, the threaded hole at the top of the top plate 201 corresponds to the threaded hole of the fixing plate 101, the first bolt 202 is inserted into the inside for fixed connection, and the leak plate 203 blocks the larger stones.

[0043] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A grouting device for the bottom of a bored pile, comprising a main structure (1), characterized in that: The upper end of the main structure (1) is provided with a fixing structure (2), the fixing structure (2) comprises a top plate (201), the top end of the top plate (201) is provided with a threaded through hole, a first bolt (202) is movably sleeved inside the threaded through hole of the top plate (201), a clamping column (205) is provided at the connection between the main structure (1) and the fixing structure (2), the upper end of the fixing structure (2) is provided with a connecting structure (3), the connecting structure (3) comprises a first lower connecting barrel (301), and the first lower connecting barrel (301) ) are provided with threaded through holes on both sides of the top, a first upper connecting barrel (302) is provided at the upper end of the first lower connecting barrel (301), and threaded through holes are provided on both sides of the first upper connecting barrel (302), the threaded through holes of the first lower connecting barrel (301) correspond to the threaded through holes of the first upper connecting barrel (302), second bolts (303) are movably sleeved inside the threaded through holes of the first lower connecting barrel (301) and the first upper connecting barrel (302), and a top plate (201) is provided at the connection between the fixing structure (2) and the connecting structure (3).

2. A grouting device for the bottom of a bored pile according to claim 1, characterized in that: The main structure (1) comprises a fixing plate (101), a threaded through hole is provided at the top of the fixing plate (101), and a tenon (102) is fixedly connected to the inner side of the fixing plate (101).

3. A grouting device for the bottom of a bored pile according to claim 2, characterized in that: A clamping hole is provided at the bottom end of the tenon (102), a rubber pad (103) is movably connected to the bottom end of the fixing plate (101), and a connecting plate (104) is fixedly connected to the bottom end of the rubber pad (103).

4. A grouting device for the bottom of a bored pile according to claim 3, characterized in that: A pulp storage bag (105) is fixedly connected to the bottom end of the connecting plate (104), and a tongue and groove (106) is fixedly connected to the inner side of the connecting plate (104).

5. A grouting device for the bottom of a bored pile according to claim 4, characterized in that: A snap-in hole is provided on the outer side of the tenon groove (106), the bottom end of the tenon (102) is movably sleeved inside the tenon groove (106), and the snap-in hole of the tenon (102) corresponds to the snap-in hole of the tenon groove (106).

6. A grouting device for the bottom of a bored pile according to claim 1, characterized in that: The bottom end of the first bolt (202) is movably sleeved with a fixing plate (101), and the bottom end of the top plate (201) is fixedly connected with a leaking plate (203).

7. A grouting device for the bottom of a bored pile according to claim 1, characterized in that: The outer side of the top plate (201) is fixedly connected with a connection block (204), and the connection blocks (204) are arranged in a ring array.

8. A grouting device for the bottom of a bored pile according to claim 7, characterized in that: A clamping column (205) is fixedly connected to one side of the connection block (204), and a tenon (102) and a tenon groove (106) are movably sleeved on the outer side of the clamping column (205).

Images