Building foundation reinforcing structure

Abstract

The utility model discloses a building foundation reinforcing structure, which belongs to the technical field of static pressure pile machines and comprises a top plate, stand columns are symmetrically and fixedly connected to the bottom of the top plate, and bases are fixedly connected to the bottoms of the stand columns. The fixing screws are installed on the ground in an expansion mode, and the base is in attached sliding connection with the fixing screws through the sliding holes. The stand column is connected with an automatic descending assembly used for driving the first hydraulic machine downwards. The automatic descending assembly comprises inserting holes, a first positioning assembly and a second positioning assembly, the inserting holes are formed in the vertical direction of the stand column at equal intervals, the first positioning assembly and the second positioning assembly are in attached sliding connection with the outer wall of the stand column through formed straight holes, and the first positioning assembly is fixedly connected with the driving end of the first hydraulic machine; the second positioning assembly is fixedly connected with the first hydraulic machine shell. The top of the top plate is connected with a lifting assembly used for returning the first hydraulic machine to the highest point and dragging the foundation pile. By means of the mode, automatic foundation pile installation is achieved, and building foundation reinforcement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of static pressure pile drivers, in particular to a building foundation reinforcement structure. Background Art

[0002] Anchor static pile drivers are widely used in building foundation reinforcement.

[0003] Chinese patent CN207484479U discloses an anchor static pile driver, including a pile driving frame fixed to the ground, the pile driving frame including two columns arranged perpendicular to the ground and a crossbeam connecting the tops of the two columns, the pile driving frame is provided with a hydraulic jack, the top of the hydraulic jack is connected to a pressure-bearing beam connected to the pile driving frame vertically and slidingly, the two ends of the pressure-bearing beam are respectively connected to sleeves sleeved outside the columns, and the pile driving frame is provided with a locking mechanism for fixing the position of the pressure-bearing beam. The pressure-bearing beam slides on the column through the sleeve and remains slidably connected to the pile driving frame in the vertical direction, so that the hydraulic jack always maintains the force applied to the precast pile along the axis direction of the precast pile, thereby avoiding the situation where the precast pile is unevenly stressed and skewed, and the locking mechanism fixes the pressure-bearing beam at different heights, so that it is convenient to adjust the height of the hydraulic jack in time according to the height of the precast pile exposed to the ground, so as to better apply pressure to the precast pile.

[0004] However, the hydraulic jack requires manual operation when adjusting its position, which increases the workload, and the above structure cannot automatically place foundation piles, which is not conducive to use.

[0005] Based on this, the utility model designs a building foundation reinforcement structure to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a building foundation reinforcement structure.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A building foundation reinforcement structure comprises a base, a first hydraulic press, a top plate and fixing screws:

[0009] The bottom of the top plate is symmetrically fixedly connected with upright posts, and the bottom of the upright posts is fixedly connected with a base;

[0010] The fixing screw is expanded and installed on the ground, the base is fitted and slidably connected with the fixing screw through the sliding hole, and the bottom of the nut threadedly connected with the fixing screw is fitted and contacted with the top of the base;

[0011] The column is connected with an automatic lowering assembly for driving the first hydraulic press downward;

[0012] The automatic descending assembly includes a socket, a first positioning assembly and a second positioning assembly which are evenly spaced and arranged on the column. The first positioning assembly and the second positioning assembly are slidably connected to the outer wall of the column through the straight holes arranged therein. The first positioning assembly is fixedly connected to the driving end of the first hydraulic press, and the second positioning assembly is fixedly connected to the housing of the first hydraulic press. When the telescopic end of the first hydraulic press is extended, the first positioning assembly is plugged into the socket and the second positioning assembly is not in contact with the socket. When the telescopic end of the first hydraulic press is retracted, the second positioning assembly is plugged into the socket and the first positioning assembly is not in contact with the socket.

[0013] A lifting assembly for returning the first hydraulic press to the highest point and for traction of the foundation pile is connected to the top of the top plate. When the lifting assembly pulls the first hydraulic press upward, neither the first positioning assembly nor the second positioning assembly contacts the jack.

[0014] Furthermore, the first positioning assembly includes a first sliding seat, a first plug rod, a first connecting plate and a second hydraulic press. The two ends of the first sliding seat are slidably connected to the column through straight holes, the second hydraulic press is fixedly connected to the middle end of the top of the first sliding seat, the second hydraulic press driving end is fixedly connected to the first connecting plate, the first plug rod is fixedly connected to the two ends of the first connecting plate, and the first sliding seat is slidably connected to the first plug rod through the sliding hole, the first plug rod is plugged into the socket, and the bottom of the first sliding seat is fixedly connected to the output end of the first hydraulic press.

[0015] Furthermore, the second positioning assembly includes a guide rod, a second sliding seat, a second plug rod, a third hydraulic press, a second connecting plate and a guide seat. The second sliding seat is fixedly connected to the housing of the first hydraulic press. The guide seat and the third hydraulic press are located on both sides of the first hydraulic press, and the guide seat and the third hydraulic press are both fixedly connected to the second sliding seat. The driving end of the third hydraulic press is fixedly connected to the second connecting plate. The second plug rod is fixedly connected to both ends of the second connecting plate, and the second plug rod is plugged into the socket. The second connecting plate is fixedly connected to the guide rod, and the guide rod is slidably connected to the guide seat.

[0016] Furthermore, the lifting assembly includes a symmetrical lifting assembly, a limit block and a self-tightening clamping assembly. The symmetrical lifting assembly is installed on the top of the top plate. The symmetrical lifting assembly is symmetrically connected to the limit block, and the limit block moves under the second sliding seat. The self-tightening clamping assembly is fixedly connected to the bottom of the symmetrical lifting assembly.

[0017] Furthermore, the limit block is made of magnetic material, and the second sliding seat is made of iron material.

[0018] Furthermore, the symmetrical lifting assembly includes a dual-axis motor, a winding roller, a horizontal axis, a support seat and a steel rope. The dual-axis motor is fixedly installed at the middle end of the top plate. The driving ends of the dual-axis motor are fixedly connected to the horizontal axis, the horizontal axis is fixedly connected to the winding roller, the horizontal axis is fixedly connected to the support seat, the support seat is fixedly installed on the top of the top plate, the winding roller is wrapped with a steel rope, the steel rope is fixedly connected to a limit block, the limit block is always located below the second sliding seat, and the steel rope is connected to the self-tightening clamping assembly.

[0019] Furthermore, when the dual-axis motor is powered off, the output end of the dual-axis motor can rotate freely.

[0020] Furthermore, the top plate, the first sliding seat and the second sliding seat are all slidably connected with the steel rope through the straight sliding holes.

[0021] Furthermore, the self-tightening and holding assembly includes two tissue cloth belts, two groups of slide grooves and two groups of connecting seats, one end of each of the two groups of connecting seats is provided with a slide groove, the other end of one group of connecting seats is fixedly connected to one end of one tissue cloth belt, the other end of one tissue cloth belt is fitted and slidably connected to the slide groove provided in the connecting seat of the other group, the other end of the other group of connecting seats is fixedly connected to one end of another tissue cloth belt, the other end of the other group of weaving belts is fitted and slidably connected to the slide groove provided in the connecting seat of the one group, and the other ends of the weaving belts are fixedly connected to the steel rope;

[0022] Compared with the prior art, the utility model has the following beneficial effects: the fixing screw is expanded and installed on the ground, the base is inserted on the outside of the fixing screw, the nut is threadedly connected with the fixing screw, and the bottom of the nut threadedly connected with the fixing screw is in close contact with the top of the base, the column pulls the foundation pile to the bottom of the first hydraulic press, when the first hydraulic press pushes the foundation pile downward, the telescopic end of the first hydraulic press extends, the first positioning component is plugged into the socket, and the second positioning component is not in contact with the socket, then, when the telescopic end of the first hydraulic press is recovered, the second positioning component is plugged into the socket, and the first positioning component is not in contact with the socket, then the first hydraulic press continues to push the foundation pile downward, the above operation is continued, the foundation pile is pressed downward to the set position, the first positioning component and the second positioning component are not in contact with the socket, the lifting component drives the second positioning component to move upward, the second positioning component drives the first hydraulic press to move upward to the uppermost end, then the first positioning component is plugged into the socket, then the lifting component is hugged with the end of the pile driver to be installed, the lifting component drives the pile driver to be installed to be pulled to the bottom of the first hydraulic press, and then the above action is repeated to realize the automatic installation of the foundation pile, which is beneficial to the reinforcement of the building foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The utility model is a three-dimensional building foundation reinforcement structure Figure 1 ;

[0025] Figure 2 It is a front view of a building foundation reinforcement structure of the utility model;

[0026] Figure 3 The utility model is a three-dimensional building foundation reinforcement structure Figure 2 ;

[0027] Figure 4 The utility model is a three-dimensional building foundation reinforcement structure Figure 3 .

[0028] The numbers in the figure represent:

[0029] 1. Base; 2. Column; 3. Lifting assembly; 31. Double-axis motor; 32. Winding roller; 33. Horizontal axis; 34. Support seat; 35. Steel rope; 36. Limit block; 37. Webbing belt; 38. Slide; 39. Connecting seat; 4. First hydraulic press; 5. Automatic descending assembly; 51. First sliding seat; 52. First plug rod; 53. First connecting plate; 54. Socket; 55. Guide rod; 56. Second sliding seat; 57. Second plug rod; 58. Second hydraulic press; 59. Third hydraulic press; 510. Second connecting plate; 511. Guide seat; 6. Top plate; 7. Fixing screws. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0032] In some embodiments, please refer to the drawings of the specification. Figure 1-Figure 4 , a building foundation reinforcement structure, comprising a base 1, a first hydraulic press 4, a top plate 6 and fixing screws 7:

[0033] The bottom of the top plate 6 is symmetrically fixedly connected with a column 2, and the bottom of the column 2 is fixedly connected with a base 1;

[0034] The fixing screw 7 is expanded and installed on the ground, the base 1 is slidably connected with the fixing screw 7 through the sliding hole, and the bottom of the nut threadedly connected with the fixing screw 7 is in contact with the top of the base 1;

[0035] The column 2 is connected with an automatic lowering assembly 5 for driving the first hydraulic press 4 downward;

[0036] The automatic descending assembly 5 includes a socket 54, a first positioning assembly and a second positioning assembly which are evenly spaced and opened on the column 2. The first positioning assembly and the second positioning assembly are slidably connected to the outer wall of the column 2 through the opened straight holes. The first positioning assembly is fixedly connected to the driving end of the first hydraulic press 4, and the second positioning assembly is fixedly connected to the outer shell of the first hydraulic press 4. When the telescopic end of the first hydraulic press 4 is extended, the first positioning assembly is plugged into the socket 54 and the second positioning assembly is not in contact with the socket 54. When the telescopic end of the first hydraulic press 4 is retracted, the second positioning assembly is plugged into the socket 54 and the first positioning assembly is not in contact with the socket 54.

[0037] A lifting assembly 3 for returning the first hydraulic press 4 to the highest point and for pile pulling is connected to the top of the top plate 6. When the lifting assembly 3 pulls the first hydraulic press 4 upward, neither the first positioning assembly nor the second positioning assembly contacts the insertion hole 54.

[0038] The fixing screw 7 is expanded and installed on the ground, the base 1 is inserted on the outside of the fixing screw 7, the nut is threadedly connected with the fixing screw 7, and the bottom of the nut threadedly connected with the fixing screw 7 is in close contact with the top of the base 1, and the column 2 pulls the pile to the bottom of the first hydraulic press 4. When the first hydraulic press 4 pushes the pile downward, the telescopic end of the first hydraulic press 4 extends, the first positioning component is plugged into the socket 54, and the second positioning component is not in contact with the socket 54. Then, when the telescopic end of the first hydraulic press 4 is retracted, the second positioning component is plugged into the socket 54, and the first positioning component is not in contact with the socket 54. Then, the second positioning component is plugged into the socket 54, and the first positioning component is not in contact with the socket 54. A hydraulic press 4 continues to push the foundation pile downward, and the above operation is continued to press the foundation pile downward to the set position. The first positioning component and the second positioning component are not in contact with the socket 54. The lifting component 3 drives the second positioning component to move upward, and the second positioning component drives the first hydraulic press 4 to move upward to the uppermost end. Then the first positioning component is plugged into the socket 54, and then the lifting component 3 is engaged with the end of the pile driver to be installed. The lifting component 3 drives the pile driver to be installed to be pulled to the bottom of the first hydraulic press 4, and then the above action is repeated to realize the automatic installation of the foundation pile, which is beneficial to the reinforcement of the building foundation.

[0039] The first positioning assembly includes a first sliding seat 51, a first plug rod 52, a first connecting plate 53 and a second hydraulic press 58. The two ends of the first sliding seat 51 are slidably connected to the column 2 through straight holes. The second hydraulic press 58 is fixedly connected to the middle end of the top of the first sliding seat 51. The driving end of the second hydraulic press 58 is fixedly connected to the first connecting plate 53. The two ends of the first connecting plate 53 are fixedly connected to the first plug rod 52. The first sliding seat 51 is slidably connected to the first plug rod 52 through the sliding hole. The first plug rod 52 is plugged into the socket 54. The bottom of the first sliding seat 51 is fixedly connected to the output end of the first hydraulic press 4.

[0040] The second positioning assembly includes a guide rod 55, a second sliding seat 56, a second plug rod 57, a third hydraulic press 59, a second connecting plate 510 and a guide seat 511. The second sliding seat 56 is fixedly connected to the housing of the first hydraulic press 4. The guide seat 511 and the third hydraulic press 59 are located on both sides of the first hydraulic press 4, and the guide seat 511 and the third hydraulic press 59 are fixedly connected to the second sliding seat 56. The driving end of the third hydraulic press 59 is fixedly connected to the second connecting plate 510. The second plug rod 57 is fixedly connected to both ends of the second connecting plate 510, and the second plug rod 57 is plugged into the socket 54. The second connecting plate 510 is fixedly connected to the guide rod 55, and the guide rod 55 is slidably connected to the guide seat 511.

[0041] When the telescopic end of the first hydraulic press 4 is extended, the second hydraulic press 58 of the first positioning assembly of the automatic descending assembly 5 drives the first connecting plate 53 to move, and the first connecting plate 53 drives the first plug rod 52 to move, and the first plug rod 52 moves into the insertion hole 54, and the first plug rod 52 and the insertion hole 54 cooperate to lock and position the first sliding seat 51, and at the same time, the third hydraulic press 59 of the second positioning assembly drives the second connecting plate 510 to move, and the second connecting plate 510 drives the second plug rod 57 to move outward to the outside of the insertion hole 54, and the second plug rod 57 does not contact the insertion hole 54, so that the first sliding seat 51 provides a blocking force for the extension of the telescopic end of the first hydraulic press 4. At the same time, the second sliding seat 56 can move freely, so that the outer shell of the first hydraulic press 4 moves downward when the telescopic end of the first hydraulic press 4 is extended, and the first hydraulic press 4 pushes the foundation pile to move downward;

[0042] When the first hydraulic press 4 is at the uppermost end, the second hydraulic press 58 of the first positioning assembly of the automatic descending assembly 5 drives the first connecting plate 53 to move, the first connecting plate 53 drives the first plug rod 52 to move, the first plug rod 52 moves into the insertion hole 54, the first plug rod 52 and the insertion hole 54 cooperate to lock and position the first sliding seat 51, and at the same time, the third hydraulic press 59 of the second positioning assembly drives the second connecting plate 510 to move, the second connecting plate 510 drives the second plug rod 57 to move outward to the outside of the insertion hole 54, the second plug rod 57 does not contact the insertion hole 54, so that the first hydraulic press 4 is convenient for positioning at the uppermost end;

[0043] When the telescopic end of the first hydraulic press 4 is recovered, the third hydraulic press 59 of the second positioning assembly drives the second connecting plate 510 to move, and the second connecting plate 510 drives the second plug rod 57 to plug into the plug hole 54, and the second plug rod 57 and the second plug rod 57 cooperate to limit the second sliding seat 56, and the second sliding seat 56 positions the shell of the first hydraulic press 4, and the second hydraulic press 58 of the first positioning assembly drives the first connecting plate 53 to move, and the first connecting plate 53 drives the first plug rod 52 to move, and the first plug rod 52 does not contact the plug hole 54, and the telescopic end of the first hydraulic press 4 is recovered. When the shell of the first hydraulic press 4 is positioned, the first hydraulic press 4 drives the first sliding seat 51 to move downward to the set position;

[0044] The lifting assembly 3 includes a symmetrical lifting assembly, a limit block 36 and a self-tightening and holding assembly. The symmetrical lifting assembly is installed on the top of the top plate 6. The symmetrical lifting assembly is symmetrically connected to the limit block 36, and the limit block 36 moves under the second sliding seat 56. The bottom of the symmetrical lifting assembly is fixedly connected with the self-tightening and holding assembly.

[0045] The limit block 36 is made of magnetic material, and the second sliding seat 56 is made of iron material;

[0046] The symmetrical lifting assembly includes a double-axis motor 31, a winding roller 32, a transverse axis 33, a support seat 34 and a steel rope 35. The double-axis motor 31 is fixedly installed at the middle end of the top of the top plate 6. The driving ends of the double-axis motor 31 are fixedly connected to the transverse axis 33. The winding roller 32 is fixedly connected to the transverse axis 33. The transverse axis 33 is fixedly connected to the support seat 34. The support seat 34 is fixedly installed on the top of the top plate 6. The winding roller 32 is wound with a steel rope 35. The steel rope 35 is fixedly connected to a limit block 36. The limit block 36 is always located below the second sliding seat 56. The steel rope 35 is connected to the self-tightening clamping assembly.

[0047] When the dual-axis motor 31 is powered off, the output end of the dual-axis motor 31 can rotate freely;

[0048] The top plate 6, the first sliding seat 51 and the second sliding seat 56 are all slidably connected with the steel rope 35 through straight sliding holes;

[0049] The self-tightening and holding assembly includes two tissue cloth belts 37, two groups of slide grooves 38 and two groups of connecting seats 39. The two groups of connecting seats 39 have slide grooves 38 at one end. The other end of one group of connecting seats 39 is fixedly connected to one end of one tissue cloth belt 37. The other end of one tissue cloth belt 37 is fitted and slidably connected to the slide groove 38 provided in the connecting seat 39 of the other group. The other end of the other group of connecting seats 39 is fixedly connected to one end of another tissue cloth belt 37. The other end of the other group of weaving belts 37 is fitted and slidably connected to the slide groove 38 provided in the connecting seat 39 of the one group. The other ends of the weaving belts 37 are fixedly connected to the steel rope 35.

[0050] When the first hydraulic press 4 needs to move to the uppermost end, the fabric belt 37 and the connecting seat 39 of the self-tightening and clamping assembly are both located outside the outer shell of the first hydraulic press 4 and are higher than the bottom of the first hydraulic press 4. The second hydraulic press 58 of the first positioning assembly drives the first connecting plate 53 to move, and the first connecting plate 53 drives the first plug rod 52 to move, and the first plug rod 52 does not contact the plug hole 54. The third hydraulic press 59 of the second positioning assembly drives the second connecting plate 510 to move, and the second connecting plate 510 drives the second plug rod 57 to move outward to the outside of the plug hole 54, and the second plug rod 57 does not contact the plug hole 54. The double-axis motor 31 of the symmetrical lifting assembly drives the horizontal shaft 33 to rotate, and the horizontal shaft 33 drives the winding roller 32 to rotate, and the winding roller 32 drives the steel rope 35 to wind up, and the steel rope 35 drives the limit block 36 to move upward, and the limit block 36 drives the second sliding seat 56 to move upward to the set position, so as to facilitate driving the first hydraulic press 4 to move to the uppermost end;

[0051] When the first hydraulic press 4 is pressing the pile, the dual-axis motor 31 is powered off, the limit block 36 and the second sliding seat 56 are magnetically connected, and the second sliding seat 56 drives the limit block 36 to move downward, so that the limit block 36 follows the movement of the second sliding seat 56;

[0052] When the pile is pulled, the fabric belt 37 and the connecting seat 39 of the self-tightening and clamping assembly are separated from the outer side of the first hydraulic press 4, the steel rope 35 drives the limit block 36 to separate from the second sliding seat 56, and the fabric belt 37 and the connecting seat 39 of the self-tightening and clamping assembly are sleeved on the outer side of the end of the pile driver to be installed, and the end of the steel rope 35 is pulled, and the fabric belt 37 and the connecting seat 39 are tightened to clamp the end of the pile driver to be installed, and the double-axis motor 31 of the symmetrical lifting assembly drives the horizontal shaft 33 to rotate, and the horizontal shaft 33 drives the winding roller 32 to rotate, and the winding roller 32 drives the steel rope 35 to wind up, and the steel rope 35 drives the fabric belt 37 to When the fabric belt 37 is tightened, the clamping force of the fabric belt 37 and the connecting seat 39 increases, ensuring the clamping effect of the end of the pile driver to be installed. The steel rope 35 drives the pile to move to the bottom of the first hydraulic press 4 through the fabric belt 37 and the connecting seat 39, and then pulls it to a vertical state. The double-axis motor 31 of the symmetrical lifting assembly drives the horizontal axis 33 to rotate, and the horizontal axis 33 drives the winding roller 32 to rotate. The winding roller 32 drives the steel rope 35 to unwind, and the steel rope 35 drives the fabric belt 37 to move downward, and the bottom of the pile driver to be installed is in contact with the top of the installed pile, so that the pile is pulled, which is convenient for the pile to be loaded.

[0053] After the foundation pile is loaded, the fabric belt 37 and the connecting seat 39 are separated from the end of the pile driver to be installed, the dual-axis motor 31 drives the horizontal axis 33 to rotate, the horizontal axis 33 drives the winding roller 32 to rotate, the winding roller 32 drives the steel rope 35 to wind up, the steel rope 35 drives the limit block 36 to move upward, the limit block 36 moves to be magnetically attracted to the second sliding seat 56, and the fabric belt 37 and the connecting seat 39 are both located outside the outer casing of the first hydraulic press 4 and are higher than the bottom of the first hydraulic press 4.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A building foundation reinforcement structure, comprising a base (1), a first hydraulic press (4), a top plate (6) and fixing screws (7), characterized in that: The bottom of the top plate (6) is symmetrically and fixedly connected to a column (2), and the bottom of the column (2) is fixedly connected to a base (1); The fixing screw (7) is expanded and installed on the ground, the base (1) is slidably connected to the fixing screw (7) through the sliding hole, and the bottom of the nut threadedly connected to the fixing screw (7) is in close contact with the top of the base (1); The column (2) is connected to an automatic descending assembly (5) for driving the first hydraulic press (4) downward; The automatic descending assembly (5) comprises jacks (54) which are arranged at equal intervals on the column (2), a first positioning assembly and a second positioning assembly. The first positioning assembly and the second positioning assembly are slidably connected to the outer wall of the column (2) through the straight holes arranged therein. The first positioning assembly is fixedly connected to the driving end of the first hydraulic press (4), and the second positioning assembly is fixedly connected to the housing of the first hydraulic press (4). When the telescopic end of the first hydraulic press (4) is extended, the first positioning assembly is plugged into the jack (54) and the second positioning assembly is not in contact with the jack (54). When the telescopic end of the first hydraulic press (4) is retracted, the second positioning assembly is plugged into the jack (54) and the first positioning assembly is not in contact with the jack (54). A lifting assembly (3) for returning the first hydraulic press (4) to the highest point and for pulling the foundation pile is connected to the top of the top plate (6); when the lifting assembly (3) pulls the first hydraulic press (4) upward, neither the first positioning assembly nor the second positioning assembly contacts the insertion hole (54).

2. The building foundation reinforcement structure according to claim 1, characterized in that: The first positioning assembly comprises a first sliding seat (51), a first plug rod (52), a first connecting plate (53) and a second hydraulic press (58); the first sliding seat (51) is slidably connected to the column (2) at both ends through straight holes; the second hydraulic press (58) is fixedly connected to the middle end of the top of the first sliding seat (51); the driving end of the second hydraulic press (58) is fixedly connected to the first connecting plate (53); the first plug rod (52) is fixedly connected to both ends of the first connecting plate (53); the first sliding seat (51) is slidably connected to the first plug rod (52) through the sliding hole; the first plug rod (52) is plugged into the plug hole (54); and the bottom of the first sliding seat (51) is fixedly connected to the output end of the first hydraulic press (4).

3. The building foundation reinforcement structure according to claim 2, characterized in that: The second positioning assembly comprises a guide rod (55), a second sliding seat (56), a second plug rod (57), a third hydraulic press (59), a second connecting plate (510) and a guide seat (511); the second sliding seat (56) is fixedly connected to the housing of the first hydraulic press (4); the guide seat (511) and the third hydraulic press (59) are located on both sides of the first hydraulic press (4); the guide seat (511) and the third hydraulic press (59) are both fixedly connected to the second sliding seat (56); the driving end of the third hydraulic press (59) is fixedly connected to the second connecting plate (510); the second plug rod (57) is fixedly connected to both ends of the second connecting plate (510); the second plug rod (57) is plugged into the socket (54); the second connecting plate (510) is fixedly connected to the guide rod (55); and the guide rod (55) is slidably connected to the guide seat (511).

4. The building foundation reinforcement structure according to claim 3, characterized in that: The lifting assembly (3) comprises a symmetrical lifting assembly, a limit block (36) and a self-tightening clamping assembly. The symmetrical lifting assembly is mounted on the top of the top plate (6). The symmetrical lifting assembly is symmetrically connected to the limit block (36), and the limit block (36) moves below the second sliding seat (56). The self-tightening clamping assembly is fixedly connected to the bottom of the symmetrical lifting assembly.

5. The building foundation reinforcement structure according to claim 4, characterized in that: The limit block (36) is made of magnetic material, and the second sliding seat (56) is made of iron material.

6. The building foundation reinforcement structure according to any one of claims 4-5, characterized in that: The symmetrical lifting assembly comprises a double-axis motor (31), a winding roller (32), a transverse axis (33), a support seat (34) and a steel rope (35). The double-axis motor (31) is fixedly installed at the middle end of the top of the top plate (6). The driving ends of the double-axis motor (31) are fixedly connected to the transverse axis (33). The winding roller (32) is fixedly connected to the transverse axis (33). The transverse axis (33) is fixedly connected to the support seat (34). The support seat (34) is fixedly installed on the top of the top plate (6). The winding roller (32) is wound with a steel rope (35). The steel rope (35) is fixedly connected to a limit block (36). The limit block (36) is always located below the second sliding seat (56). The steel rope (35) is connected to the self-tightening clamping assembly.

7. The building foundation reinforcement structure according to claim 6, characterized in that: When the dual-shaft motor (31) is powered off, the output end of the dual-shaft motor (31) can rotate freely.

8. The building foundation reinforcement structure according to claim 7, characterized in that: The top plate (6), the first sliding seat (51) and the second sliding seat (56) are all slidably connected to the steel rope (35) via straight sliding holes.

9. The building foundation reinforcement structure according to any one of claims 7-8, characterized in that: The self-tightening and clamping assembly comprises two tissue cloth belts (37), two groups of sliding grooves (38) and two groups of connecting seats (39). One end of each of the two groups of connecting seats (39) is provided with a sliding groove (38). The other end of one group of connecting seats (39) is fixedly connected to one end of one tissue cloth belt (37). The other end of one tissue cloth belt (37) is fitted and slidably connected to the sliding groove (38) provided in the connecting seat (39) of the other group. The other end of the other group of connecting seats (39) is fixedly connected to one end of another tissue cloth belt (37). The other end of the other group of woven cloth belts (37) is fitted and slidably connected to the sliding groove (38) provided in the connecting seat (39) of the first group. The other ends of the woven cloth belts (37) are fixedly connected to the steel rope (35).

Images