Ground screw hydraulic jack foundation

Abstract

The utility model belongs to the technical field of light building construction, and relates to a ground screw hydraulic jack foundation which comprises an upper bearing platform, a lower bearing platform, a jack and a ground screw, the upper bearing platform and the lower bearing platform are both in a flat plate shape, a through hole is formed in the middle of the flat plate of the lower bearing platform, and the ground screw is used for penetrating through the through hole to be screwed into the ground to fix the lower bearing platform to the construction ground. The lower fixed end of the jack is connected with the upper surface of the lower bearing platform; the upper lifting end of the jack is connected with the lower surface of the upper bearing platform; the jack, the ground screw and the through hole are positioned on the same vertical line; three to eight supporting plates are evenly distributed on the outer side wall of the jack in a circumferential mode, and the lower ends of the supporting plates support the upper surface of the lower bearing platform respectively. The ground screw is combined with the hydraulic jack, so that the problem of stability of the jack in light building construction is effectively solved. The ground screw provides a firm anchoring point, the stability of the hydraulic jack is enhanced when the hydraulic jack is used due to welding of the supporting plate and the wing plate, and the inclination or sliding risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to light building construction technical field relates to a ground screw hydraulic jack foundation. BACKGROUND

[0002] Light building refers to the building constructed by using light materials and structural system, which has the characteristics of light weight, fast construction speed, low cost and good seismic performance. Light building is widely used in residential, commercial, industrial and temporary building fields. Common light building types include: light steel structure building, wood structure building, precast concrete slab building, membrane structure building, inflatable membrane structure building, container building, etc. Among them, light steel structure building is the most widely used. The construction method of light building varies with the building type, but generally includes design stage, material preparation, foundation construction, main structure installation, enclosure construction and interior decoration steps. Selecting appropriate light building type and construction method can realize rapid, efficient and economic building construction.

[0003] During the construction of light steel structure building, ground buried parts are often used for installation, then hydraulic jacks are used on the ground buried parts, and then the main structure is installed on the hydraulic jacks. Hydraulic jacks not only have strong bearing capacity and good stability, but also have the characteristics of light weight and compactness, which are convenient for carrying and operation, and have been widely used in light building or prefabricated building foundation.

[0004] However, when light steel structure building uses hydraulic jacks on soft or uneven ground, how to ensure the stability of hydraulic jacks often affects the installation quality and service life of light building. At the same time, the ground buried part foundation has difficulty in adjusting when facing the problem of geological settlement, which brings great inconvenience to the construction of light steel structure building.

[0005] Therefore, a light steel structure building support system with good stability and convenient construction is needed to solve the above technical problems. INVENTION CONTENTS

[0006] The technical solution adopted by the utility model to solve the technical problems is: a ground screw hydraulic jack foundation, comprising: an upper deck, a lower deck, a jack, and a ground screw. The upper deck and the lower deck are both flat plates. The front end of the ground screw is provided with a thread. The nut at the rear end of the ground screw is a disc. The flat plate of the lower deck is provided with a through hole. The diameter of the through hole is greater than the outer diameter of the thread. The diameter of the through hole is less than half of the diameter of the disc of the nut of the ground screw. The diameter of the through hole is less than the minimum width of the base of the jack.

[0007] The ground screw is used to pass through the through hole and screw into the ground to fix the lower deck on the construction ground. The lower fixed end of the jack is connected to the upper surface of the lower deck, and the upper lifting end of the jack is connected to the lower surface of the upper deck.

[0008] The jack, the ground screw and the through hole are located on the same vertical line;

[0009] Three to eight support plates are evenly arranged on the outer wall of the jack in a circular manner, and the lower ends of the support plates support the upper surface of the lower bearing platform.

[0010] Preferably, the upper bearing platform and the lower bearing platform are circular or rectangular plates.

[0011] More preferably, the support plates are four straight triangular or rectangular vertical plates.

[0012] More preferably, the lower part of the jack is welded or bolted to the upper surface of the lower bearing platform, and the upper lifting end of the jack is welded or bolted to the lower surface of the upper bearing platform.

[0013] More preferably, the bolt connection mode of the jack to the upper surface of the lower bearing platform and the lower surface of the upper bearing platform comprises: arc-shaped long holes are arranged at the upper and lower ends of the jack, the lower surface of the upper bearing platform and the upper surface of the lower bearing platform, respectively, for bolt penetration, and the rotation axis of the arc-shaped long hole coincides with the rotation axis of the through hole.

[0014] More preferably, the nut of the ground screw is provided with a via hole which is equal in size, identical in shape and consistent in position with the arc-shaped long hole.

[0015] More preferably, the upper surface of the lower bearing platform is provided with a protruding boss protruding upward, the upper surface of the boss extends outward in the horizontal direction and has a flange, the flange is used for supporting and connecting the lower part of the jack, and the arc-shaped long hole of the lower bearing platform is arranged on the flange.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. The present utility model combines the ground screw with the hydraulic jack, effectively solving the stability problem of the jack in light building construction. The ground screw provides a solid anchoring point, and the wing plate welding of the support plate enhances the stability of the hydraulic jack during use, reducing the risk of tilting or sliding.

[0018] 2. The present utility model can effectively improve the carrying capacity of the jack, making it suitable for more complex light building construction requirements. The top-down and reversible connection mode of the present utility model reduces the difficulty of construction. This combination not only improves the safety of construction, but also improves the work efficiency, meets the construction requirements of light modular buildings, and is especially suitable for building construction sites that require precise control and large carrying capacity. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the ground screw hydraulic jack foundation of the present utility model;

[0020] Figure 2 is a component exploded schematic view of the utility model;

[0021] Figure 3 is a foundation and upper steel frame platform connection assembly schematic view of the utility model.

[0022] Wherein, 1, upper bearing platform;2, lower bearing platform;3, jack;4, ground screw;5, thread;6, through hole;7, support plate;8, arc long hole;9, boss;10, flange. DETAILED DESCRIPTION

[0023] The related technologies in the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] The ground screw 4 or screw pile replaces the traditional reinforced concrete pouring, saves the construction procedures such as ground leveling, waste soil treatment and excavation, reduces the construction cost, makes the foundation construction more flexible, reduces the environmental impact to the minimum, is convenient for construction, and is economical and fast. The combination of the screw pile and the jack 3 can solve the foundation problems of various buildings such as light modular buildings and temporary buildings, and the appropriate ground screw 4 can be selected according to the ground condition and the bearing capacity, and the adaptability is better.

[0025] The hydraulic jack foundation of the ground screw in the embodiment is shown as shown in Figure 1 、 Figure 2 and Figure 3 , comprising: an upper bearing platform 1, a lower bearing platform 2, a jack 3 and a ground screw 4, the upper bearing platform 1 and the lower bearing platform 2 are both flat plates, the front end of the ground screw 4 is provided with a thread 5, the nut at the rear end of the ground screw 4 is disc-shaped, the middle part of the flat plate of the lower bearing platform 2 is provided with a through hole 6, the hole diameter of the through hole 6 is greater than the outer diameter of the thread 5, the hole diameter of the through hole 6 is less than one half of the disc diameter of the nut of the ground screw 4, and the hole diameter of the through hole 6 is less than the minimum width of the base of the jack 3;The hole diameter of the through hole 6 is selected so that the pressure transmitted by the bottom of the jack 3 is uniformly dispersed to the lower bearing platform 2 and finally transmitted to the construction ground, so as to prevent the pressure transmission from being unbalanced along the radial direction due to the too large hole diameter of the through hole 6, or the front end thread 5 of the ground screw 4 is blocked when passing through due to the too small hole diameter of the through hole 6;

[0026] The ground screw 4 is used to screw into the ground after passing through the through hole 6 to fix the lower bearing platform 2 on the construction ground; the lower fixed end of the jack 3 is connected to the upper surface of the lower bearing platform 2, and the upper lifting end of the jack 3 is connected to the lower surface of the upper bearing platform 1; the position of the lower bearing platform 2 is fixed on the construction ground through the ground screw 4 to prevent the translation of the lower bearing platform 2 due to the lack of fixation, thereby causing the instability of the building;

[0027] The jack 3, the ground screw 4 and the through hole 6 are located on the same vertical line; the pressure transmission on the same vertical axis is more stable and reliable, and the stress is uniform;

[0028] The outer lateral wall of the jack 3 is circumferentially provided with three to eight support plates 7, and the lower two ends of the support plate 7 support the upper surface of the lower bearing platform 2; different numbers of support plates 7 can be selected for reinforcement according to the weight of the building above the jack 3 and the construction and use environment, and four to six support plates are usually the best.

[0029] Further, the upper bearing platform 1 and the lower bearing platform 2 are in the shape of a circular flat plate or a rectangular flat plate; the circular surface or the rectangular surface (including the square surface) has good symmetry, can uniformly disperse the pressure transmitted by the bottom of the jack 3 to the lower bearing platform 2, and the pressure is symmetrically distributed to ensure the stability and reliability of the building above the jack 3.

[0030] Still further, the support plate 7 is provided with four support plates, and the support plate 7 is a vertical plate in the shape of a right-angled triangle or a right-angled trapezoid.

[0031] Still further, the lower part of the jack 3 is welded or bolted to the upper surface of the lower bearing platform 2, and the upper lifting end of the jack 3 is welded or bolted to the lower surface of the upper bearing platform 1; the bolt connection method is simpler and more convenient, and is suitable for various different use environments.

[0032] Still further, the bolt connection method of the jack 3 to the upper surface of the lower bearing platform 2 and the lower surface of the upper bearing platform 1 includes that arc-shaped long holes 8 are respectively provided at the upper and lower ends of the jack, the lower surface of the upper bearing platform 1 and the upper surface of the lower bearing platform 2 for passing through bolts, and the rotation axis of the arc-shaped long hole 8 coincides with the rotation axis of the through hole 6; the arc-shaped long hole 8 is convenient for the installer to rotate and adjust the angle of the jack 3 and the upper bearing platform 1 in the horizontal plane, thereby avoiding external interference, and enabling the operating end of the jack 3 to always face outward or in a direction that is easy to operate, so that the installer can install and operate more simply and conveniently.

[0033] Still further, a via hole equal in size and shape to the arc-shaped long hole 8 is provided on the nut of the ground screw 4, and the ground screw 4, the jack 3 and the upper bearing platform 1 are connected as a whole through the bolt after the ground screw 4 is screwed into the ground, thereby preventing the ground screw 4 from being tilted and deformed while ensuring the pressure transmission of the jack 3.

[0034] Further, the upper surface of the lower bearing platform 2 is provided with a boss 9 protruding upward, the upper surface of the boss 9 extends outward in the horizontal direction with a flange 10, the flange 10 is used for supporting the lower part of the connecting jack 3, the arc-shaped long hole 8 of the lower bearing platform 2 is arranged on the flange 10; the space below the flange 10 is convenient for the operator to tighten or loosen the bolt nut during installation.

[0035] Embodiment

[0036] The main elements of the embodiment include a hydraulic jack 3 and a ground screw 4, the jack 3 is a hydraulic jack, the hydraulic jack is connected with the upper structure upper bearing platform 1 in a sleeve manner, the support plate 7 is a wing plate, the jack 3 is the upper platform of the ground screw, and the lower bearing platform 2 is a steel bearing platform. In use, first, the steel bearing platform is placed, then the ground screw 4 is screwed into the ground from the upper to the lower through the middle part of the steel bearing platform, the connecting method from the upper to the lower is more convenient for construction, the upper part of the ground screw 4 is connected with the steel bearing platform through a bolt, the hydraulic jack 3 is connected on the steel bearing platform, and then the wing plate is connected with the hydraulic jack and the steel bearing platform in a welding manner. In this way, the traditional concrete foundation is replaced.

[0037] In summary, the hydraulic jack is combined with the ground screw, the stability problem of the jack in light building construction is effectively solved. The ground screw provides a solid anchoring point, the stability of the hydraulic jack is strengthened when in use through the wing plate welding, and the risk of tilting or sliding is reduced.

[0038] It should be emphasized that: the above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the range of the utility model technical scheme.

Claims

1. A ground screw hydraulic jack foundation, characterized in that: include: An upper support platform (1), a lower support platform (2), a jack (3), and a ground screw (4), wherein the upper support platform (1) and the lower support platform (2) are both in the shape of a flat plate, a thread (5) is provided at the front end of the ground screw (4), and a nut at the rear end of the ground screw (4) is in the shape of a disc, a through hole (6) is provided in the middle of the flat plate of the lower support platform (2), the aperture of the through hole (6) is larger than the outer diameter of the thread (5), the aperture of the through hole (6) is smaller than half of the disc diameter of the nut of the ground screw (4), and the aperture of the through hole (6) is smaller than the minimum width of the base of the jack (3); The ground screw (4) is used to pass through the through hole (6) and then be screwed into the ground to fix the lower support platform (2) on the construction ground; the lower fixed end of the jack (3) is connected to the upper surface of the lower support platform (2), and the upper lifting end of the jack (3) is connected to the lower surface of the upper support platform (1); The jack (3), the ground screw (4), and the through hole (6) are located on the same vertical line; Three to eight support plates (7) are evenly distributed around the circumference of the outer wall of the jack (3), and the lower ends of the support plates (7) respectively support the upper surface of the lower support platform (2).

2. A ground screw hydraulic jack foundation according to claim 1, characterized in that: The upper supporting platform (1) and the lower supporting platform (2) are in the shape of a circular flat plate or a rectangular flat plate.

3. A ground screw hydraulic jack foundation according to claim 2, characterized in that: There are four support plates (7), and the support plates (7) are vertically arranged flat plates in the shape of right triangles or right trapezoids.

4. A ground screw hydraulic jack foundation according to claim 3, characterized in that: The lower part of the jack (3) is welded or bolted to the upper surface of the lower support platform (2), and the upper lifting end of the jack (3) is welded or bolted to the lower surface of the upper support platform (1).

5. A ground screw hydraulic jack foundation according to claim 4, characterized in that: The bolt connection method of the jack (3) to the upper surface of the lower support platform (2) and the lower surface of the upper support platform (1) includes: arc-shaped long holes (8) are respectively provided at the upper and lower ends of the jack, the lower surface of the upper support platform (1), and the upper surface of the lower support platform (2) for passing bolts, and the rotation axis of the arc-shaped long hole (8) coincides with the rotation axis of the through hole (6).

6. A ground screw hydraulic jack foundation according to claim 5, characterized in that: The nut of the ground screw (4) is provided with a through hole which is equal in size, identical in shape and coincides in position with the arc-shaped long hole (8).

7. The ground screw hydraulic jack foundation according to claim 5, characterized in that: The upper surface of the lower support platform (2) is provided with an upwardly protruding boss (9), and the upper surface of the boss (9) is provided with a flange (10) extending outward in the horizontal direction. The flange (10) is used to support and connect the lower part of the jack (3), and the arc-shaped long hole (8) of the lower support platform (2) is provided on the flange (10).

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