Horizontal static load test device

Abstract

The utility model provides a horizontal static load test device, and relates to the technical field of horizontal static load test, the horizontal static load test device comprises a base plate, a base, a spherical hinge support, a jack and a supporting seat, according to the device, when concrete is not dense or uneven on the contact surface of a test pile body, the working surface of the base plate can be attached to the pile body as far as possible in various radians; when the test pile moves under the action of horizontal force, the spherical hinge support can correct the direction of acting force, so that the acting force is perpendicular to the vertical axis of the pile body of the test pile when the jack pressurizes, the stress stability and continuity in the pressurizing process are ensured, the test accuracy is further improved, and more real and accurate test data are obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to horizontal static load test technical field, specifically, relate to a horizontal static load test device. BACKGROUND

[0002] Horizontal static load test is a kind of test method for determining the bearing capacity of single pile under horizontal load and horizontal resistance coefficient of foundation soil.It has important significance in geotechnical engineering and foundation engineering field, can provide reliable data support for engineering design, ensure the safety and stability of building and other structures.

[0003] In the test process, the traditional horizontal static load test device may appear directional deviation and other problems in the loading process, influence the reliability of test data. UTILITY MODEL CONTENT

[0004] The utility model is directed to the problems in the prior art, and provides a horizontal static load test device, which is simple in structure and avoids directional deviation in actual use.

[0005] To achieve the above object, the utility model adopts the technical scheme as follows:

[0006] The utility model provides a horizontal static load test device, including pad, base, spherical hinge support, jack and support seat, wherein:

[0007] The working surface of the pad close to the test pile side is arc surface that is attached to the outer surface of the test pile;

[0008] The base is connected with the pad by connecting structure, and the side of the base away from the pad is provided with hemispherical groove;

[0009] The spherical hinge support is arranged on the side of the base away from the pad, the hinge part of the spherical hinge support is pressed in the hemispherical groove by fixing ring, so that the spherical hinge support is rotatable relative to the base;

[0010] The jack is arranged on the side of the spherical hinge support away from the base, and the connecting part of the spherical hinge support penetrates the fixing ring and is connected with the jack by connector;

[0011] The support seat is slidably connected on the outside of the connector by guide structure, and the guide direction of the guide structure is consistent with the output direction of the jack.

[0012] Optionally, the connecting structure includes positioning groove arranged on the pad, the side of the base towards the pad is provided with positioning block matched with the structure size of the positioning groove, and the positioning block is arranged in the positioning groove to connect the pad and the base.

[0013] Optionally, the fixed ring is provided with a half-sphere opening near one side of the hinge part of the spherical hinge support, and the connecting part of the spherical hinge support penetrates the fixed ring through the half-sphere opening.

[0014] The fixed ring is fixed through bolts and the base to press the hinge part of the spherical hinge support in the space formed by the half-sphere groove and the half-sphere opening.

[0015] Optionally, the connector is provided with an inner cavity with the same cross-sectional size as the connecting part of the spherical hinge support on the side of the connecting part of the spherical hinge support, the inner wall of the inner cavity is provided with internal threads, the outer periphery of the connecting part of the spherical hinge support is provided with external threads, and the connecting part of the spherical hinge support is screwed into the inner cavity of the connector.

[0016] Optionally, the guide structure comprises guide rails and support plates arranged on the opposite sides of the support base, and the outer side of the connector is connected with guide blocks which are arranged to slide in the guide rails.

[0017] The support plate is fixed on the ground.

[0018] Optionally, the two sides of the backing plate are respectively provided with fixed rods in U-shaped structure, and the openings of the fixed rods are arranged towards the backing plate.

[0019] Optionally, the working surface of the backing plate is provided with anti-skid lines.

[0020] The utility model discloses can produce the beneficial effect includes:

[0021] The horizontal static load testing device provided by the utility model, when the working surface of the backing plate can be various arc and the pile body as far as possible adhere to in the case that the contact surface of the test pile pile body appears that concrete is not dense or uneven, when the test pile generates displacement under the action of horizontal force, the spherical hinge support will correct the direction of force, so that the force is perpendicular to the vertical axis of the test pile pile body when the jack pressurizes, and the stability and continuity of the force in the pressurization process are ensured, and then the accuracy of the test is improved, and more real and accurate test data are obtained. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1A structural schematic diagram of a horizontal static load test device provided by an embodiment of the present application is shown in Figure 1.

[0024] Figure 2 A structural schematic diagram of a horizontal static load test device provided by an embodiment of the present application is shown in Figure 2.

[0025] Figure 3 A structural schematic diagram of a cushion plate is shown in Figure 3.

[0026] Figure 4 A structural schematic diagram of a guide structure is shown in Figure 4.

[0027] Figure 5 A structural schematic diagram of a guide structure is shown in Figure 5.

[0028] Figure legend: 1, cushion plate; 11, fixed rod; 12, positioning groove; 2, base; 21, positioning block; 3, bolt; 4, fixed ring; 5, spherical hinge support; 6, connector; 61, guide block; 7, jack; 8, support seat; 81, guide rail; 82, support plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. It should be noted that, in the case of no conflict, various features in the embodiments of the present application can be combined with each other, and the combined embodiments are still within the protection scope of the present application.

[0030] In the test process, the traditional horizontal static load test device may have problems such as direction deviation in the loading process, which affects the reliability of the test data, and the traditional horizontal static load test device is complex, requiring a large amount of materials and manpower to set up and install. In order to solve the above problems, the embodiments of the present application provide a horizontal static load test device, which is simple in structure and avoids direction deviation in actual use.

[0031] As Figure 1 and Figure 2As shown, the horizontal static load test device provided by the embodiment of the present application comprises a base plate 1, a base 2, a spherical hinge support 5, a jack 7 and a support seat 8, wherein: the working surface of the base plate 1 close to the side of the test pile is an arc surface that matches the outer surface of the test pile; the base 2 is connected to the base plate 1 through a connecting structure, and the side of the base 2 away from the base plate 1 is provided with a hemispherical groove; the spherical hinge support 5 is arranged on the side of the base 2 away from the base plate 1, and the hinge part of the spherical hinge support 5 is press-fitted in the hemispherical groove through a fixing ring 4, so that the spherical hinge support 5 is rotatable relative to the base 2; the jack 7 is arranged on the side of the spherical hinge support 5 away from the base 2, and the connecting part of the spherical hinge support 5 penetrates through the fixing ring 4 and connects the jack 7 through a connector 6; the support seat 8 is slidingly connected to the outside of the connector 6 through a guide structure, and the guide direction of the guide structure is consistent with the output direction of the jack 7. In the case that the contact surface of the test pile body is not dense or uneven, the working surface of the base plate 1 can match the test pile body as much as possible with various arc; the guide structure can avoid the angle error of the jack 7 when exerting force; when the test pile is displaced under the action of horizontal force, the spherical hinge support 5 will correct the direction of the force, so that the jack 7 exerts force vertically to the vertical axis of the pile body when pressurizing, thereby ensuring the stability and continuity of the force during pressurizing, and further improving the accuracy of the test and obtaining more real and accurate test data.

[0032] As shown in the figure, Figure 3 The connecting structure comprises a positioning groove 12 arranged on the base plate 1, and the side of the base 2 facing the base plate 1 is provided with a positioning block 21 matching the structure size of the positioning groove 12, and the positioning block 21 is arranged in the positioning groove 12 to connect the base plate 1 and the base 2. The connection between the positioning groove 12 and the positioning block 21 ensures the accurate positioning and stable connection between the base 2 and the base plate 1, facilitates the rapid assembly and disassembly of the device, and improves the work efficiency. In the embodiment of the present application, the positioning groove 12 and the positioning block 21 are cross-shaped, and in other embodiments, they can also be square or other shapes.

[0033] Specifically, the fixing ring 4 is provided with a hemispherical opening close to the hinge part of the spherical hinge support 5, and the connecting part of the spherical hinge support 5 penetrates through the hemispherical opening of the fixing ring 4; the fixing ring 4 is fixed to the base 2 through bolts 3, so as to press the hinge part of the spherical hinge support 5 in the space formed by the hemispherical groove and the hemispherical opening, and ensure the flexibility of the hinge part of the spherical hinge support 5 and the stability during loading.

[0034] As shown in the figure, Figure 2 The connector 6 is provided with an inner cavity with the same structure size as the connecting part of the spherical hinge support 5 on the side facing the connecting part of the spherical hinge support 5, the inner wall of the inner cavity is provided with an internal thread, the outer periphery of the connecting part of the spherical hinge support 5 is provided with an external thread, and the connecting part of the spherical hinge support 5 is screwed into the inner cavity of the connector 6. The threaded connection is simple and reliable, and facilitates installation and disassembly.

[0035] As Figure 4 and Figure 5 shown, the guide structure includes guide rails 81 and support plates 82 arranged on the opposite sides of the support base 8, the outer side of the connector 6 is connected with a guide block 61, and the guide block 61 is arranged to slide in the guide rail 81; the support plate 82 is fixed on the ground to prevent the jack 7 from shaking or deviating during loading, thereby improving the reliability of the test data.

[0036] As Figure 3 shown, the two sides of the base plate 1 are respectively provided with a U-shaped structure of a fixing rod 11, and the opening of the fixing rod 11 faces the base plate 1; the two sides of the fixing rod 11 are connected by a steel cable to bundle and fix the test pile through the steel cable, which facilitates the firm bundling and fixing of the test pile, and the test pile can also be fixed by iron wire or steel wire.

[0037] Specifically, the working surface of the base plate 1 is provided with anti-skid lines to increase the friction between the base plate 1 and the test pile and prevent the test pile from sliding during loading.

[0038] The working process of the horizontal static load test device provided by the embodiment of the present application is as follows: the device is suitable for single pile horizontal static load test, is used for connecting the test pile body and the jack 7, the base plate 1 is attached to the surface of the test pile body, and is fixed by iron wire or steel wire, so that the base plate 1 does not deviate from the base 2 when the jack 7 is pressed. The other end of the device is connected with the jack 7, and the test is carried out by step-by-step pressing.

[0039] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A horizontal static load testing device, characterized by, The utility model provides a test pile test device, including backing plate (1), base (2), spherical hinge support (5), jack (7) and support seat (8), wherein: The working surface of the backing plate (1) near the side of the test pile is an arc surface that conforms to the outer surface of the test pile; The base (2) is connected to the backing plate (1) through a connecting structure, and the side of the base (2) away from the backing plate (1) is provided with a hemispherical groove; The spherical hinge support (5) is arranged on the side of the base (2) away from the backing plate (1), and the hinge part of the spherical hinge support (5) is crimped in the hemispherical groove through a fixing ring (4), so that the spherical hinge support (5) can rotate relative to the base (2); The jack (7) is arranged on the side of the spherical hinge support (5) away from the base (2), and the connecting part of the spherical hinge support (5) penetrates through the fixing ring (4) and is connected to the jack (7) through a connector (6); The support seat (8) is slidingly connected to the outside of the connector (6) through a guide structure, and the guide direction of the guide structure is consistent with the output direction of the jack (7).

2. The horizontal static load testing device of claim 1, wherein, The connecting structure includes a positioning groove (12) arranged on the backing plate (1), and the side of the base (2) facing the backing plate (1) is provided with a positioning block (21) matching the structure size of the positioning groove (12), and the positioning block (21) is arranged in the positioning groove (12) to connect the backing plate (1) and the base (2).

3. The horizontal static load testing device of claim 1, wherein, The fixing ring (4) is provided with a hemispherical opening near the side of the hinge part of the spherical hinge support (5), and the connecting part of the spherical hinge support (5) penetrates through the fixing ring (4) from the hemispherical opening; The fixing ring (4) is fixed to the base (2) through bolts (3) to crimp the hinge part of the spherical hinge support (5) in the space formed by the hemispherical groove and the hemispherical opening.

4. The horizontal static load testing device of claim 3, wherein, The connector (6) is provided with an inner cavity with the same structure size as the connecting part of the spherical hinge support (5) on the side facing the connecting part of the spherical hinge support (5), the inner wall of the inner cavity is provided with an internal thread, the outer periphery of the connecting part of the spherical hinge support (5) is provided with an external thread, and the connecting part of the spherical hinge support (5) is screwed into the inner cavity of the connector (6).

5. The horizontal static load testing device of claim 1, wherein, The guide structure includes guide rails (81) and support plates (82) arranged on the opposite sides of the support seat (8), the outside of the connector (6) is connected to a guide block (61), and the guide block (61) is arranged in the guide rail (81) to slide; The support plate (82) is fixed to the ground.

6. The horizontal static loading test apparatus according to claim 1, wherein The two sides of the backing plate (1) are respectively provided with fixed rods (11) in U-shaped structure, and the opening of the fixed rod (11) faces the backing plate (1).

7. The horizontal static loading test apparatus according to claim 1, wherein Anti-skid lines are arranged on the working surface of the backing plate (1).

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