Simple loading device for soft soil composite foundation

Abstract

The utility model discloses a simple loading device for a soft soil composite foundation, which comprises a support frame and a metal barrel; the support frame comprises a main beam and a secondary beam, a plurality of secondary beams are provided, the plurality of secondary beams are symmetrically arranged at two ends of the main beam, a pile top is fixed to the middle of the main beam; a plurality of metal barrels are provided, the metal barrels are correspondingly connected to the ends of the secondary beams, a discharge port is provided on the side wall of the metal barrel, and a baffle is provided on the surface of the discharge port; the discharge port is provided on the side wall of the metal barrel for easy outdoor movement, so as to facilitate the discharge of soil and water, and the discharge port is sealed by the baffle when in use, and a simple loading step is performed by using local materials, the operation is convenient, and the foundation static load test can be completed without being restricted by the environment, thereby realizing the loading of the foundation soil.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation load test, and more specifically relates to a simple loading device for a soft soil composite foundation. Background Art

[0002] The foundation load test is an on-site test of the compression performance of foundation soil under the condition of allowing lateral expansion. It is generally divided into two forms: shallow pit and drilled hole. The test method is to place a load plate in the shallow pit or drilled hole, apply pressure on it in stages, and measure the final settlement value of each level of pressure until the soil is destroyed. The test evaluates the continuity of soil deformation over time. When the load plate is close to the actual foundation, the bearing capacity of the foundation can be estimated;

[0003] The above-mentioned prior art solutions have the following defects: since the loading device is large in size and heavy in weight, it is not easy to carry, especially in terrains such as hills and gullies that are difficult for transport vehicles to enter, which brings inconvenience to the loading experiment. Utility Model Content

[0004] In order to solve the defects existing in the above-mentioned technology, the utility model provides a simple loading device for soft soil composite foundation, aiming to improve the problem that it is difficult to carry and move in the field due to environmental restrictions.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A simple loading device for soft soil composite foundation, including a support frame and a metal barrel;

[0007] The support frame includes a main beam and a secondary beam, wherein a plurality of secondary beams are provided, and the plurality of secondary beams are symmetrically arranged at both ends of the main beam, and a pile top is fixed in the middle of the main beam;

[0008] A plurality of metal barrels are provided, and the metal barrels are connected to the ends of the secondary beams respectively. A discharge port is provided on the side wall of the metal barrel, and a baffle is provided on the surface of the discharge port.

[0009] In an embodiment of the utility model, the main beam is detachably fixed at a middle position of the secondary beam, the main beam and the secondary beam are vertically arranged, and a plurality of the secondary beams are arranged in parallel.

[0010] In one embodiment of the present invention, the number of the metal barrels is twice the number of the secondary beams, and one secondary beam connects two metal barrels;

[0011] In one embodiment of the utility model, the upper end of the metal barrel is open, the upper end of the metal barrel is connected to a steel wire rope, and the metal barrel is connected to the secondary beam through the steel wire rope.

[0012] In one embodiment of the utility model, a connection seat for connecting the steel wire rope is also included, and the connection seat is fixed to the end of the secondary beam. There are multiple connection seats, and the connection seats are arranged one by one with the metal barrels.

[0013] In one embodiment of the present invention, the connecting seat comprises

[0014] a buffer installed at the end of the secondary beam;

[0015] The swivel installed at the lower end of the buffer is rotatably mounted, the upper end of the steel wire rope is fixedly connected to the swivel, and the lower end of the steel wire rope is connected to the metal barrel.

[0016] In one embodiment of the utility model, the baffle is detachably fixed to the surface of the metal barrel, and a sealing gasket is fixed at the connection between the baffle and the discharge port.

[0017] In an embodiment of the utility model, one side of the baffle is hinged to the outer surface of the metal barrel through a hinge, and a buckle is installed on the surface of the metal barrel to connect with the other side of the baffle.

[0018] In one embodiment of the utility model, a clamping block is fixed on the outer surface of the metal barrel, and the clamping block has a clamping groove along the length direction. Two clamping blocks are provided, and the two clamping blocks are symmetrically arranged on both sides of the discharge port, and the two side edges of the baffle are slidably clamped in the corresponding clamping grooves.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] The simple loading device for soft soil composite foundation in the embodiment of the utility model is convenient for outdoor movement, and a discharge port is provided on the side wall of the metal barrel to facilitate the discharge of soil and water. When in use, the discharge port is sealed by a baffle, and a simple loading procedure is performed by using local materials. The operation is convenient, and the static load test of the foundation can be completed without being restricted by the environment, thereby realizing the loading of the foundation soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the simple loading device for soft soil composite foundation in the embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the connecting seat in the embodiment of the utility model;

[0023] Figure 3 This is a three-dimensional structural diagram of the first type of discharging port installation baffle in the embodiment of the utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the second middle discharge port installed with a baffle in the embodiment of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the interior of a metal barrel cut open in an embodiment of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the bottom plate in the embodiment of the utility model;

[0027] Figure 7 It is a schematic diagram of the structure of the threaded hole in the embodiment of the utility model.

[0028] In the figure: 100, support frame; 110, main beam; 111, pile top; 130, secondary beam; 300, metal barrel; 301, discharge port; 303, block; 305, hexagon socket screw; 310, baffle; 330, wire rope; 350, bottom plate; 351, reinforcing rib; 353, threaded hole; 355, lifting ring; 500, connecting seat; 510, buffer; 511, sliding sleeve; 513, pull rod; 515, compression spring; 517, limit ring; 519, limit block; 530, swivel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.

[0030] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] In the examples, unless otherwise specified, all the means used are conventional means in the art.

[0032] See also Figure 1-Figure 7 , the present application provides a simple loading device for a soft soil composite foundation, comprising a support frame 100 and a metal barrel 300;

[0033] The support frame 100 includes a main beam 110 and a secondary beam 130. A plurality of secondary beams 130 are provided. The plurality of secondary beams 130 are symmetrically arranged at both ends of the main beam 110. A pile top 111 is fixed at the middle of the main beam 110.

[0034] A plurality of metal barrels 300 are provided, and each of the metal barrels 300 is connected to the ends of the secondary beam 130 . A discharge port 301 is provided on the side wall of the metal barrel 300 , and a baffle 310 is provided on the surface of the discharge port 301 .

[0035] In an embodiment of the present invention, the main beam 110 is detachably fixed to the middle position of the secondary beam 130 , the main beam 110 and the secondary beam 130 are vertically arranged, and a plurality of the secondary beams 130 are arranged in parallel.

[0036] In one embodiment of the present invention, the number of the metal barrels 300 is twice the number of the secondary beams 130 , and one secondary beam 130 connects two metal barrels 300 ;

[0037] Specifically, the metal barrel 300 is provided with four, the secondary beam 130 is provided with two, the ends of the secondary beam 130 are respectively fixed with a metal barrel 300;

[0038] In a specific implementation, the metal barrel 300 adopts a stainless steel barrel body with a diameter of 1.5m and a height of 1.5m, and a rib plate is added to the inner wall of the stainless steel barrel body to improve the overall strength.

[0039] In an embodiment of the present invention, the upper end of the metal barrel 300 is open, and a steel wire rope 330 is connected to the upper end of the metal barrel 300 . The metal barrel 300 is connected to the secondary beam 130 through the steel wire rope 330 .

[0040] In one embodiment of the utility model, a connection seat 500 for connecting the steel wire rope 330 is also included. The connection seat 500 is fixed to the end of the secondary beam 130. There are multiple connection seats 500, and the connection seats 500 are arranged in a one-to-one correspondence with the metal barrels 300.

[0041] In one embodiment of the present invention, the connection base 500 includes

[0042] A buffer 510 installed at the end of the secondary beam 130;

[0043] The swivel 530 installed at the lower end of the buffer 510 is rotatably mounted, the upper end of the steel wire rope 330 is fixedly connected to the swivel 530 , and the lower end of the steel wire rope 330 is connected to the metal barrel 300 .

[0044] The buffer member 510 includes

[0045] A sliding sleeve 511 fixedly connected to the secondary beam 130, wherein the upper end of the sliding sleeve 511 is detachably connected to the secondary beam 130;

[0046] A pull rod 513 slidably inserted into the lower end of the sliding sleeve 511, wherein the lower end of the pull rod 513 is fixedly connected to the rotating ring 530, and a limit block 519 is fixed to the upper end of the pull rod 513, wherein the limit block 519 is disposed in the sliding sleeve 511;

[0047] A compression spring 515 is disposed in the sliding sleeve 511 , and the upper end of the compression spring 515 abuts against the limit block 519 . A limit ring 517 for limiting the displacement of the limit block 519 is fixed inside the sliding sleeve 511 .

[0048] In an embodiment of the present utility model, the baffle 310 is detachably fixed to the surface of the metal barrel 300 , and a sealing gasket is fixed at the connection between the baffle 310 and the discharge port 301 .

[0049] See also Figure 3 In one embodiment of the present utility model, one side of the baffle 310 is hinged to the outer surface of the metal barrel 300 through a hinge, and a buckle that docks with the other side of the baffle 310 is installed on the surface of the metal barrel 300.

[0050] See also Figure 4 The utility model further provides an embodiment in which a clamping block 303 is fixed on the outer surface of the metal barrel 300, and the clamping block 303 has a clamping groove along the length direction. Two clamping blocks 303 are provided, and the two clamping blocks 303 are symmetrically arranged on both sides of the discharge port 301, and the two side edges of the baffle 310 are slidably clamped in the corresponding clamping grooves.

[0051] The metal barrel 300 is provided with a bottom plate 350, and a reinforcing rib 351 is fixed on the surface of the bottom plate 350. A threaded through hole is provided on the side wall of the metal barrel 300, and a hexagon socket screw 305 is connected to the threaded through hole. One end of the hexagon socket screw 305 contacts the side wall of the bottom plate 350.

[0052] The bottom plate 350 is provided to increase the bottom strength, prevent deformation and damage, and extend the service life.

[0053] The bottom plate 350 has a threaded hole 353 on its surface, and a hanging ring 355 is threadedly connected to the threaded hole 353. There are multiple threaded holes 353, which are distributed in a ring shape at the edge of the bottom plate 350. The hanging ring 355 corresponds to the threaded holes 353 one by one.

[0054] The bottom plate 350 can also be used to quickly carry out the loaded soil and water, reduce the labor intensity of manual unloading, quickly unload, and improve work efficiency.

[0055] Working principle: four metal barrels 300 with a diameter of 1.5m and a height of 1.5m are used to load water and soil. After the metal barrels 300 are compacted on all sides, the frictional resistance with the surrounding area provides a reaction force of about 40 tons, which can meet general test requirements. The metal barrels 300 are round iron barrels or stainless steel barrels, which are easy to move in the field. A discharge port 301 is opened on the side wall of the metal barrel 300 to facilitate the discharge of soil and water. When in use, the discharge port 301 is sealed by a baffle 310. A simple loading procedure is carried out by using local materials. The operation is convenient and not restricted by the environment. The foundation static load test can be completed and the loading of the foundation soil is realized.

[0056] The above-mentioned embodiments only express several implementation methods of the utility model. The descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent.

[0057] It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model, and these are all within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A simple loading device for soft soil composite foundation, characterized in that: include A support frame (100), the support frame (100) comprising a main beam (110) and a secondary beam (130), a plurality of the secondary beams (130) being provided, the plurality of secondary beams (130) being symmetrically arranged at both ends of the main beam (110), and a pile top (111) being fixed in the middle of the main beam (110); A metal barrel (300), wherein a plurality of the metal barrels (300) are provided, and the metal barrels (300) are correspondingly connected to the ends of the secondary beam (130), a discharge port (301) is provided on the side wall of the metal barrel (300), and a baffle (310) is provided on the surface of the discharge port (301).

2. The simple loading device for soft soil composite foundation according to claim 1 is characterized in that: The main beam (110) is detachably fixed to a middle position of the secondary beam (130); the main beam (110) and the secondary beam (130) are arranged vertically; and a plurality of secondary beams (130) are arranged in parallel.

3. The simple loading device for soft soil composite foundation according to claim 1 is characterized in that: The number of the metal barrels (300) is twice the number of the secondary beams (130), and one secondary beam (130) connects two metal barrels (300).

4. The simple loading device for soft soil composite foundation according to claim 1 is characterized in that: The upper end of the metal barrel (300) is open, and a steel wire rope (330) is connected to the upper end of the metal barrel (300). The metal barrel (300) is connected to the secondary beam (130) via the steel wire rope (330).

5. The simple loading device for soft soil composite foundation according to claim 4 is characterized in that: It also includes a connection seat (500) for connecting the steel wire rope (330), the connection seat (500) being fixed to the end of the secondary beam (130), a plurality of the connection seats (500) being provided, and the connection seats (500) being provided in a one-to-one correspondence with the metal barrels (300).

6. The simple loading device for soft soil composite foundation according to claim 5 is characterized in that: The connecting seat (500) comprises a buffer member (510) installed at the end of the secondary beam (130); A swivel (530) is rotatably mounted on the lower end of the buffer (510); the upper end of the steel wire rope (330) is fixedly connected to the swivel (530); and the lower end of the steel wire rope (330) is connected to the metal barrel (300).

7. The simple loading device for soft soil composite foundation according to claim 1 is characterized in that: The baffle plate (310) is detachably fixed to the surface of the metal barrel (300), and a sealing gasket is fixed at the connection between the baffle plate (310) and the discharge port (301).

8. The simple loading device for soft soil composite foundation according to claim 7 is characterized in that: One side of the baffle (310) is hinged to the outer surface of the metal barrel (300) through a hinge, and a buckle is installed on the surface of the metal barrel (300) to connect with the other side of the baffle (310).

9. The simple loading device for soft soil composite foundation according to claim 7, characterized in that: A clamping block (303) is fixed on the outer surface of the metal barrel (300), and a clamping slot is provided on the clamping block (303) along the length direction. Two clamping blocks (303) are provided, and the two clamping blocks (303) are symmetrically arranged on both sides of the discharge port (301), and both side edges of the baffle (310) are slidably clamped in the corresponding clamping slots.

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