Grouting reinforcement composite pile foundation

Abstract

The utility model relates to the technical field of buildings, in particular to a grouting reinforcement composite pile foundation. Comprising a mounting assembly, an adjusting assembly and a protection plate assembly, the mounting assembly comprises a mounting base, the top of the mounting base is connected with a connecting frame, the adjusting assembly comprises a double-thread screw, one end of the double-thread screw is connected with a connecting shaft, and the end, away from the double-thread screw, of the connecting shaft is connected with a hand wheel; a sliding block is connected to the outer ring of the double-thread screw, a linkage column is connected to the lower end of the sliding block, stable frames are symmetrically connected to the outer wall of the first protection plate, stable side plates are arranged on the inner sides of the stable frames, and a positioning layer plate is connected to the inner wall of the first protection plate. And after enclosing of the composite pile foundation is completed, grouting materials are poured into the space enclosed by the first protection plate and the second protection plate through the grouting pipe C, and splashing of the grouting materials in the falling process is reduced through the length advantage of the grouting pipe C.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a grouting reinforced composite pile foundation. Background Art

[0002] Composite pile foundation is a pile foundation that takes into account the soil bearing capacity between piles under the pedestal. Designing the pile foundation according to the composite pile foundation can greatly reduce the amount of piles used in the project.

[0003] The existing application document with application number: CN 201620064097.7 provides a pile foundation reinforcement system based on a reinforced composite grouting method. The pile foundation reinforcement system includes a pile body and a pile bottom, the pile body is connected to the pile bottom, a reinforcement borehole is provided in the pile body, and a steel bar skeleton is provided in the reinforcement borehole. The pile foundation reinforcement system based on a reinforced composite grouting method provided by the utility model not only improves work efficiency, but also has the advantages of good reinforcement effect, simple construction, and economic reliability.

[0004] Based on the search of the above patents and the application of existing grouting reinforcement composite pile foundations: During the grouting reinforcement process of the pile foundation, the mold wrapped around the outside of the pile foundation is mostly fixed by bolts, which is troublesome when demolding and fixing the mold, affecting the time of pile foundation construction. Utility Model Content

[0005] In view of the above problems, the purpose of the utility model is to provide a grouting reinforcement composite pile foundation, which solves the problem that the mold wrapped on the outside of the pile foundation is mostly fixed by bolting, which is troublesome when demoulding and fixing the mold assembly, affecting the time of pile foundation construction. When the two sliding blocks move towards and away from each other, the sliding blocks drive the first guard plate and the second guard plate to move towards and away from each other through the linkage column during the movement, thereby realizing the adjustment of the use position of the first guard plate and the second guard plate. When the first guard plate and the second guard plate are dismantled and evacuated from the composite pile foundation, the hand wheel can be reversed.

[0006] To achieve the above objectives, the utility model adopts the following technical solution: a grouting reinforced composite pile foundation, comprising an installation assembly, an adjusting assembly, and a guard plate assembly, the installation assembly comprising a mounting base, the top of the mounting base is connected to a connecting frame, the adjusting assembly comprises a double-headed screw, one end of the double-headed screw is connected to a connecting shaft, the end of the connecting shaft away from the double-headed screw is connected to a handwheel, the outer ring of the double-headed screw is connected to a sliding block, the lower end of the sliding block is connected to a linkage column, the guard plate assembly comprises a first guard plate and a second guard plate, the outer wall of the first guard plate is symmetrically connected to a stabilizing frame, the inner side of the stabilizing frame is provided with a stabilizing side plate, the inner wall of the first guard plate is connected to a positioning layer plate, the inner side of the positioning layer plate is provided with a grouting A pipe, a grouting B pipe is provided on one side of the grouting A pipe, and a grouting C pipe is provided on the side of the grouting B pipe away from the grouting A pipe.

[0007] The beneficial effects of the utility model are as follows: when the two sliding blocks move towards or away from each other, the sliding blocks drive the first guard plate and the second guard plate to move towards or away from each other through the linkage column during the movement, thereby realizing the adjustment of the use position of the first guard plate and the second guard plate; when the first guard plate and the second guard plate are dismantled and evacuated from the composite pile foundation, the hand wheel can be reversed; after the composite pile foundation is surrounded, the grouting material is first poured into the space surrounded by the first guard plate and the second guard plate through the grouting C tube; the length advantage of the grouting C tube is used to reduce the splashing of the grouting material during the falling process.

[0008] Position the mounting base for mounting the top plate:

[0009] As a further improvement of the above technical solution: one end of the connecting frame away from the mounting base is connected to a mounting top plate, a mounting hole is opened on the inner side of the mounting top plate, and the connecting frame is arranged in a trapezoidal structure.

[0010] The beneficial effect of this improvement is that when in use, the mounting base is placed directly above the pile foundation, and the first guard plate and the second guard plate are respectively located on the left and right sides of the composite pile foundation, and then the mounting base is installed and positioned by installing the top plate.

[0011] To move the slider in a straight line:

[0012] As a further improvement of the above technical solution: the double-headed screw is arranged on the inner side of the mounting base, the end of the double-headed screw away from the connecting shaft is rotatably connected to the inner wall of the mounting base, the double-headed screw is simultaneously threadably connected to the two sliding blocks, and the inner wall of the mounting base is connected to a limiting rod.

[0013] The beneficial effect of this improvement is that when the use position of the first guard plate and the second guard plate needs to be adjusted, hold the hand wheel and rotate the double-headed screw through the connecting shaft, and then the sliding block moves linearly under the joint action of the double-headed screw and the limit rod.

[0014] To remove the first and second guard plates:

[0015] As a further improvement of the above technical solution: a groove for sliding of the linkage column is provided on the inner side of the wall of one end of the mounting base away from the connecting frame, and the linkage column passes through the groove and is connected to the sliding block.

[0016] The beneficial effect of this improvement is that when the two sliding blocks move towards or away from each other, the sliding blocks drive the first guard plate and the second guard plate to move towards or away from each other through the linkage column during the movement, thereby realizing the adjustment of the use position of the first guard plate and the second guard plate. When the first guard plate and the second guard plate are dismantled and evacuated from the composite pile foundation, the hand wheel can be reversed.

[0017] To increase the pouring speed while reducing the splashing of grouting materials:

[0018] As a further improvement of the above technical solution: the grouting B tubes and the grouting A tubes are grouped in pairs, and two groups of the grouting B tubes and the grouting A tubes are arranged respectively; the first guard plate is connected to one group of grouting B tubes through a positioning layer plate, and the second guard plate is connected to another group of grouting B tubes through a positioning layer plate.

[0019] The beneficial effect of this improvement is: after pouring grouting material into the space surrounded by the first guard plate and the second guard plate through the grouting tube C for a period of time, as the grouting material continues to accumulate, the grouting tube B and the grouting tube C are used to continue pouring the grouting material together. After the grouting tube B and the grouting tube C are used to continue pouring the grouting material together for a period of time, the grouting tube A, the grouting tube B, and the grouting tube C are used to continue pouring the grouting material together, thereby increasing the pouring speed while reducing the splashing of the grouting material.

[0020] In order to reduce the splashing of grouting materials during the falling process:

[0021] As a further improvement of the above technical solution: the grouting C tubes are grouped together with two tubes, and there are two groups of grouting C tubes in total; the first guard plate is connected to one group of grouting C tubes through a positioning layer; the second guard plate is connected to another group of grouting C tubes through a positioning layer; the tops of the grouting A tube, the grouting B tube, and the grouting C tube are located in the same horizontal plane, and the lengths of the grouting A tube, the grouting B tube, and the grouting C tube increase sequentially.

[0022] The beneficial effect of this improvement is: after completing the enclosure of the composite pile foundation, firstly, the grouting material is poured into the space enclosed by the first guard plate and the second guard plate through the grouting C-tube, and the length advantage of the grouting C-tube is used to reduce the splashing of the grouting material during the falling process.

[0023] In order to carry out grouting reinforcement on the enclosed composite pile foundation:

[0024] As a further improvement of the above technical solution: the inner wall of the upper part of the second guard plate is connected with a positioning layer plate, the size of the second guard plate is the same as that of the first guard plate, and the second guard plate and the first guard plate are arranged in a mirror image.

[0025] The beneficial effect of this improvement is that by setting the second guard plate, it can be used in conjunction with the first guard plate to achieve the enclosure of the composite pile foundation, and then be used to perform grouting reinforcement on the enclosed composite pile foundation.

[0026] In order to improve the stability of the first guard plate and the second guard plate when they move close to each other:

[0027] As a further improvement of the above technical solution: the outer wall of the second guard plate is symmetrically connected with a stabilizing frame, the stabilizing side panel is slidably connected to the stabilizing frame of the outer wall of the second guard plate, the end of the stabilizing side panel away from the stabilizing frame is connected to a limiting block, and the stabilizing side panel is welded to the stabilizing frame of the outer wall of the first guard plate.

[0028] The beneficial effect of this improvement is that when the first guard plate and the second guard plate move toward each other, the first guard plate drives the stable side plate to move synchronously through the stable frame during the movement. At the same time, in this process, since the stable side plate is slidingly connected to the stable frame of the outer wall of the second guard plate, the sliding of the stable side plate reduces the shaking of the second guard plate when moving toward each other, thereby improving the stability of the first guard plate and the second guard plate when moving toward each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the first guard plate of the utility model.

[0030] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0031] Figure 3 It is a front structural schematic diagram of the utility model.

[0032] Figure 4 It is a structural schematic diagram of the connecting frame of the utility model.

[0033] Figure 5 It is a schematic cross-sectional structure diagram of the installation base of the utility model.

[0034] In the figure: 1. Installation assembly; 11. Installation base; 12. Connecting frame; 13. Installation top plate; 14. Installation hole; 2. Adjustment assembly; 21. Double-headed screw; 22. Connecting shaft; 23. Handwheel; 24. Sliding block; 25. Linkage column; 26. Limit rod; 3. Guard plate assembly; 31. First guard plate; 32. Stabilizing frame; 33. Stabilizing side plate; 34. Limiting block; 35. Positioning layer plate; 36. Grouting pipe A; 37. Grouting pipe B; 38. Grouting pipe C; 39. Second guard plate. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0036] like Figure 1-5As shown, a grouting reinforcement composite pile foundation includes an installation component 1, an adjustment component 2, and a guard plate component 3. The installation component 1 includes a mounting base 11, and the top of the mounting base 11 is connected to a connecting frame 12. The adjustment component 2 includes a double-headed screw 21, one end of the double-headed screw 21 is connected to a connecting shaft 22, and the end of the connecting shaft 22 away from the double-headed screw 21 is connected to a handwheel 23. The outer ring of the double-headed screw 21 is connected to a sliding block 24, and the lower end of the sliding block 24 is connected to a linkage column 25. The guard plate component 3 includes a first guard plate 31 and a second guard plate 39. The outer wall of the first guard plate 31 is symmetrically connected to a stabilizing frame 32, and the inner side of the stabilizing frame 32 is provided with a stabilizing side plate 33. The inner wall of the first guard plate 31 is connected to a positioning layer plate 35, and a grouting A tube 36 is arranged on the inner side of the positioning layer plate 35, and a grouting B tube 37 is arranged on one side of the grouting A tube 36, and a grouting C tube 38 is arranged on the side of the grouting B tube 37 away from the grouting A tube 36. The end of the connecting frame 12 away from the mounting base 11 is connected to the mounting top plate 13, and the inner side of the mounting top plate 13 is provided with a mounting hole 14, and the connecting frame 12 is arranged in a trapezoidal structure; when in use, the mounting base 11 is placed directly above the pile foundation, and the first guard plate 31 and the second guard plate 39 are respectively located on the left and right sides of the composite pile foundation, and then the mounting base 11 is installed and positioned by installing the top plate 13, and the double The head screw 21 is arranged on the inner side of the mounting base 11, and the end of the double-headed screw 21 away from the connecting shaft 22 is rotatably connected to the inner wall of the mounting base 11, and the double-headed screw 21 is simultaneously threadedly rotatably connected to the two sliding blocks 24, and the inner wall of the mounting base 11 is connected to the limit rod 26; when it is necessary to adjust the use position of the first guard plate 31 and the second guard plate 39, hold the hand wheel 23 and rotate the double-headed screw 21 through the connecting shaft 22, and then the sliding block 24 moves linearly under the joint action of the double-headed screw 21 and the limit rod 26, and the inner side of the wall of the mounting base 11 away from the end of the connecting frame 12 is provided with a groove for the sliding of the linkage column 25, and the linkage column 25 passes through the groove and is connected to the sliding block 24 are connected; when the two sliding blocks 24 move towards or away from each other, the sliding blocks 24 drive the first guard plate 31 and the second guard plate 39 to move towards or away from each other through the linkage column 25 during the movement, thereby adjusting the use position of the first guard plate 31 and the second guard plate 39. When the first guard plate 31 and the second guard plate 39 are disassembled and evacuated from the composite pile foundation, the hand wheel 23 can be reversed. The grouting B tubes 37 and the grouting A tubes 36 form a group of two, and the grouting B tubes 37 and the grouting A tubes 36 are each provided with two groups. The first guard plate 31 is connected to one group of grouting B tubes 37 through the positioning layer plate 35, and the second guard plate 39 is connected to another group of grouting B tubes 37 through the positioning layer plate 35;After pouring grouting material into the space surrounded by the first guard plate 31 and the second guard plate 39 through the grouting C tube 38 for a period of time, as the grouting material continues to accumulate, the grouting B tube 37 and the grouting C tube 38 are used to continue pouring the grouting material together. After the grouting B tube 37 and the grouting C tube 38 are used to continue pouring the grouting material together for a period of time, the grouting A tube 36, the grouting B tube 37, and the grouting C tube 38 are used to continue pouring the grouting material together, thereby reducing the splashing of the grouting material while increasing the pouring speed. The grouting C tubes 38 are grouped in pairs, and two groups of grouting C tubes 38 are provided in total. The first guard plate 31 The first guard plate 31 is connected to a group of grouting C tubes 38 through the positioning layer 35, and the second guard plate 39 is connected to another group of grouting C tubes 38 through the positioning layer 35. The tops of the grouting A tube 36, the grouting B tube 37, and the grouting C tube 38 are located at the same horizontal plane, and the lengths of the grouting A tube 36, the grouting B tube 37, and the grouting C tube 38 are increased in sequence. After the composite pile foundation is surrounded, the grouting material is first poured into the space surrounded by the first guard plate 31 and the second guard plate 39 through the grouting C tube 38. The length advantage of the grouting C tube 38 is used to reduce the flying of the grouting material during the falling process. The inner wall of the upper part of the second guard plate 39 is connected with a positioning layer plate 35, the size of the second guard plate 39 is the same as that of the first guard plate 31, and the second guard plate 39 is set in a mirror image with the first guard plate 31; through the setting of the second guard plate 39, it can be used in conjunction with the first guard plate 31 to achieve the enclosure of the composite pile foundation, and then used for grouting reinforcement of the surrounded composite pile foundation, the outer wall of the second guard plate 39 is symmetrically connected with a stabilizing frame 32, the stabilizing side plate 33 is slidably connected to the stabilizing frame 32 of the outer wall of the second guard plate 39, and the end of the stabilizing side plate 33 away from the stabilizing frame 32 is connected to a limited block 34, the stable side plate 33 is welded to the stable frame 32 of the outer wall of the first guard plate 31; when the first guard plate 31 and the second guard plate 39 move close to each other, the first guard plate 31 drives the stable side plate 33 to move synchronously through the stable frame 32 during the movement. At the same time, in this process, the stable side plate 33 is slidably connected to the stable frame 32 of the outer wall of the second guard plate 39, and the sliding of the stable side plate 33 reduces the shaking of the second guard plate 39 when it moves close to the first guard plate 31, thereby improving the stability of the first guard plate 31 and the second guard plate 39 when they move close to each other. ;

[0037] The working principle of the utility model is as follows: when in use, the mounting base 11 is placed right above the pile foundation, and the first guard plate 31 and the second guard plate 39 are respectively located on the left and right sides of the composite pile foundation, and then the mounting base 11 is installed and positioned by installing the top plate 13. When it is necessary to adjust the use position of the first guard plate 31 and the second guard plate 39, the hand wheel 23 is held and the double-headed screw 21 is rotated through the connecting shaft 22, and then the sliding block 24 moves linearly under the joint action of the double-headed screw 21 and the limiting rod 26. When the two sliding blocks 24 are close to each other, When the first guard plate 31 and the second guard plate 39 move toward each other, the first guard plate 31 drives the stable side plate 33 to move synchronously through the stable frame 32 during the movement. At the same time, in this process, the stable side plate 33 is slidably connected to the stable frame 32 on the outer wall of the second guard plate 39, and the sliding of the stable side plate 33 reduces the movement of the second guard plate 31 and the second guard plate 39. When the first guard plate 31 and the second guard plate 39 move toward each other, the first guard plate 31 and the second guard plate 39 shake, thereby improving the stability of the first guard plate 31 and the second guard plate 39 when they move toward each other. After the composite pile foundation is surrounded, the grouting material is first poured into the space surrounded by the first guard plate 31 and the second guard plate 39 through the grouting C tube 38. The length advantage of the grouting C tube 38 is used to reduce the splashing of the grouting material during the falling process. After pouring the grouting material into the space surrounded by the first guard plate 31 and the second guard plate 39 through the grouting C tube 38 for a period of time, as the grouting material continues to accumulate, the grouting B tube is used instead. 37 and grouting C tube 38 continue to pour the grouting material together. After the grouting B tube 37 and grouting C tube 38 continue to pour for a period of time, the grouting A tube 36, the grouting B tube 37 and the grouting C tube 38 are used to continue pouring the grouting material together, thereby increasing the pouring speed while reducing the splashing of the grouting material. Through the setting of the second guard plate 39, it can be used in conjunction with the first guard plate 31 to achieve the enclosure of the composite pile foundation, and then used to grout the surrounded composite pile foundation for grouting reinforcement. When the first guard plate 31 and the second guard plate 39 are dismantled and evacuated from the composite pile foundation, the hand wheel 23 can be reversed.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A grouting reinforced composite pile foundation, comprising a mounting assembly (1), an adjustment assembly (2), and a guard plate assembly (3), wherein the mounting assembly (1) comprises a mounting base (11), characterized in that: The top of the mounting base (11) is connected to a connecting frame (12), the adjusting assembly (2) comprises a double-headed screw (21), one end of the double-headed screw (21) is connected to a connecting shaft (22), the end of the connecting shaft (22) away from the double-headed screw (21) is connected to a hand wheel (23), the outer ring of the double-headed screw (21) is connected to a sliding block (24), the lower end of the sliding block (24) is connected to a linkage column (25), the guard plate assembly (3) comprises a first guard plate (31), a second guard plate (32), and a second guard plate (33). A guard plate (39), wherein the outer wall of the first guard plate (31) is symmetrically connected to a stabilizing frame (32), a stabilizing side plate (33) is arranged on the inner side of the stabilizing frame (32), the inner wall of the first guard plate (31) is connected to a positioning layer plate (35), a grouting A pipe (36) is arranged on the inner side of the positioning layer plate (35), a grouting B pipe (37) is arranged on one side of the grouting A pipe (36), and a grouting C pipe (38) is arranged on the side of the grouting B pipe (37) away from the grouting A pipe (36).

2. A grouting reinforced composite pile foundation according to claim 1, characterized in that: One end of the connecting frame (12) away from the mounting base (11) is connected to a mounting top plate (13), a mounting hole (14) is provided on the inner side of the mounting top plate (13), and the connecting frame (12) is arranged in a trapezoidal structure.

3. A grouting reinforced composite pile foundation according to claim 1, characterized in that: The double-headed screw (21) is arranged on the inner side of the mounting base (11); one end of the double-headed screw (21) away from the connecting shaft (22) is rotatably connected to the inner wall of the mounting base (11); the double-headed screw (21) is simultaneously threadedly rotatably connected to two sliding blocks (24); and the inner wall of the mounting base (11) is connected to a limiting rod (26).

4. A grouting reinforced composite pile foundation according to claim 1, characterized in that: A groove for sliding of a linkage column (25) is provided on the inner side of an end wall of the mounting base (11) away from the connecting frame (12); the linkage column (25) passes through the groove and is connected to a sliding block (24).

5. The grouting reinforced composite pile foundation according to claim 1, characterized in that: The grouting B tubes (37) and the grouting A tubes (36) are arranged in groups of two each. The grouting B tubes (37) and the grouting A tubes (36) are arranged in groups of two each. The first guard plate (31) is connected to one group of grouting B tubes (37) via a positioning layer plate (35), and the second guard plate (39) is connected to another group of grouting B tubes (37) via a positioning layer plate (35).

6. The grouting reinforced composite pile foundation according to claim 1, characterized in that: The grouting C tubes (38) are arranged in groups of two each, and two groups of the grouting C tubes (38) are provided in total. The first guard plate (31) is connected to one group of grouting C tubes (38) via a positioning layer plate (35), and the second guard plate (39) is connected to another group of grouting C tubes (38) via a positioning layer plate (35). The tops of the grouting A tubes (36), the grouting B tubes (37), and the grouting C tubes (38) are located on the same horizontal plane, and the lengths of the grouting A tubes (36), the grouting B tubes (37), and the grouting C tubes (38) are increased in sequence.

7. The grouting reinforced composite pile foundation according to claim 1, characterized in that: The inner wall of the upper part of the second guard plate (39) is connected to a positioning layer plate (35); the size of the second guard plate (39) is the same as that of the first guard plate (31); the second guard plate (39) and the first guard plate (31) are arranged in a mirror image.

8. The grouting reinforced composite pile foundation according to claim 1, characterized in that: The outer wall of the second guard plate (39) is symmetrically connected to a stabilizing frame (32); the stabilizing side plate (33) is slidably connected to the stabilizing frame (32) of the outer wall of the second guard plate (39); one end of the stabilizing side plate (33) away from the stabilizing frame (32) is connected to a limiting block (34); and the stabilizing side plate (33) is welded to the stabilizing frame (32) of the outer wall of the first guard plate (31).

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