Soft soil area fill roadbed supporting structure

Abstract

The utility model discloses a soft soil area fill roadbed supporting structure which comprises two sets of supporting seats and two sets of sliding grooves, the supporting seats are internally provided with two sets of sliding grooves, the sliding grooves are internally and movably provided with movable threaded rods, the surfaces of the movable threaded rods are sleeved with movable threaded sleeves, and the movable threaded sleeves are sleeved with movable threaded rods. The movable threaded sleeves are in threaded connection with the movable threaded rods, the movable threaded sleeves are in sliding connection with the sliding grooves, handles are installed at one ends of the movable threaded rods, connecting plates are arranged above the supporting seats, the connecting plates are connected with the movable threaded sleeves, and arc-shaped plates are installed at the top ends of the connecting plates; and supporting blocks are mounted at the top ends of the arc-shaped plates. According to the utility model, not only can the stress area be adjusted through convenient rotation opening and closing, but also stress positions with different intervals can be adapted through convenient pulling multi-stage adjustment, the use height can be adjusted conveniently, and the support stability and the use flexibility are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed supporting structures, in particular to a filling roadbed supporting structure in a soft soil area. Background Art

[0002] Soft soil generally refers to clay soil in a soft plastic flow state with high natural water content, high compressibility, low bearing capacity and very low shear strength. Soft soil is a general term for a type of soil, not a specific type of soil. In engineering, soft soil is often subdivided into soft clay soil, silty soil, silt, peaty soil and peat. It has the characteristics of high natural water content, large natural porosity, high compressibility, low shear strength, small consolidation coefficient, long consolidation time, high sensitivity, high disturbance, poor permeability, complex layered distribution of soil layers, and large differences in physical and mechanical properties between layers. If a railway is built in a soft soil area, the roadbed needs to be supported to prevent the roadbed from collapsing. In order to better support the roadbed, a fill roadbed support structure in a soft soil area is proposed.

[0003] For example, a soft soil area fill roadbed support structure disclosed in the authorization announcement number CN219385850U includes a wall body, the bottom ends of the wall bodies are respectively provided with connecting parts, and cast-in-place piles are respectively provided on both sides of the bottom ends of the connecting parts, and an arched rod is provided at the bottom between the wall bodies;

[0004] The invention provides a connection support structure between the connection parts. When in use, the connection cross plate is placed between the tops of the connection parts, the positioning holes are respectively sleeved on the outside of the through-connecting studs, and the "L"-shaped top plates are respectively supported against the sides of the connection parts. Then, the fastening screw sleeves are sleeved on the outside of the through-connecting studs and tightened. In this way, the connection cross plate can be fixed between the top ends of the connection parts. The connection parts are reinforced by the connection cross plate and the top plate, so as to prevent the structure from being affected by the foundation after long-term support and deflecting in the reverse or opposite direction to affect the stability of the roadbed, thereby further effectively improving the support effect of the structure on the roadbed.

[0005] However, it does not solve the problem that the existing roadbed support structure is not conducive to convenient rotation and opening and closing to adjust the force area and convenient pulling and pulling multi-stage adjustment to adapt to force positions with different spacings during use, is not conducive to adjusting the use height, and affects the stability of the support and the flexibility of use. Utility Model Content

[0006] The purpose of the present utility model is to provide a fill roadbed support structure in a soft soil area, so as to solve the problem in the above-mentioned background technology that the roadbed support structure is not convenient for convenient rotation and opening and closing to adjust the force-bearing area and convenient pulling and pulling multi-stage adjustment to adapt to force positions with different spacings, which is not conducive to adjusting the use height and affects the stability of the support and the flexibility of use.

[0007] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0008] Preferably, two groups of bearing blocks are installed on the side walls of the connecting blocks, and movable shafts are provided on the outsides of the connecting blocks, and the movable shafts are connected to the bearing blocks.

[0009] Preferably, the surface of the movable shaft is covered with a rotating sleeve, and the rotating sleeve is movably connected to the movable shaft.

[0010] Preferably, a second locking pin is installed on the side wall of the rotating sleeve on one side of the movable shaft, and the second locking pin passes through the rotating sleeve and extends to the surface of the movable shaft.

[0011] Preferably, a rotating arm is installed on the outer wall of the rotating sleeve, and a connecting column is installed on one end of the rotating arm away from the rotating sleeve.

[0012] Preferably, the bottom ends of the connecting columns are all equipped with first threaded rods, the surfaces of the first threaded rods are all covered with first threaded sleeves, and the first threaded sleeves are threadedly connected to the first threaded rods, and the bottom ends of the first threaded sleeves are all equipped with secondary bearing plates.

[0013] Preferably, a second threaded rod is installed at the bottom end of each support frame, and a second threaded sleeve is sleeved on the surface of each second threaded rod.

[0014] Preferably, the second threaded sleeve is threadedly connected to the second threaded rod, and the bottom end of each of the second threaded sleeves is installed with a main bearing plate.

[0015] Preferably, a telescopic rod is provided on one side of the telescopic sleeve, and the telescopic rod extends to the interior of the two sets of telescopic sleeves.

[0016] Preferably, a first locking pin is installed on the outer wall of the telescopic sleeve on one side of the telescopic rod, and the first locking pin passes through the telescopic sleeve and extends to the surface of the telescopic rod.

[0017] Compared with the existing technology, the beneficial effect of the utility model is that the roadbed support structure not only realizes convenient rotation and opening and closing to adjust the force-bearing area and convenient pulling and pulling multi-stage adjustment to adapt to force positions with different spacings, which facilitates the adjustment of the use height, but also improves the stability of the support and the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the main bearing plate of the present invention;

[0020] Figure 3 This is a schematic diagram of the front cross-sectional structure of the support base of the present invention;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the rotating arm of the present invention;

[0022] Figure 5 This is a schematic front cross-sectional structural diagram of the second threaded sleeve of the present invention.

[0023] In the figure: 1. Support frame; 2. Support plate; 3. Support seat; 4. Slide; 5. Connecting plate; 6. Arc plate; 7. Telescopic sleeve; 8. First locking pin; 9. Telescopic rod; 10. Main bearing plate; 11. Second bearing plate; 12. Handle; 13. Moving threaded rod; 14. Moving threaded sleeve; 15. Connecting block; 16. Second locking pin; 17. Rotating sleeve; 18. Movable shaft; 19. Rotating arm; 20. First threaded rod; 21. First threaded sleeve; 22. Second threaded rod; 23. Second threaded sleeve; 24. Support block; 25. Bearing block; 26. Connecting column. DETAILED DESCRIPTION

[0024] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5The utility model provides an embodiment of a support structure for filling roadbed in soft soil area, including a support seat 3 and a slide groove 4. The support seat 3 is divided into two groups. The interior of the support seat 3 is equipped with two groups of slide grooves 4. The interior of the slide groove 4 is movably equipped with a movable threaded rod 13. The surface of the movable threaded rod 13 is covered with a movable threaded sleeve 14, and the movable threaded sleeve 14 is threadedly connected to the movable threaded rod 13, and the movable threaded sleeve 14 is slidably connected to the slide groove 4. One end of the movable threaded rod 13 is equipped with a handle 12. The top of the support seat 3 is provided with a connecting plate 5, and the connecting plate 5 is connected to the movable threaded sleeve 14. The top of the connecting plate 5 is equipped with an arc plate 6, and the top of the arc plate 6 is equipped with a support block 24. A telescopic sleeve 7 is installed on one side of the support seat 3. The bottom end of the support seat 3 is equipped with a support plate 2, and the bottom end of the support plate 2 is equipped with a support frame 1. Four groups of equally spaced connecting blocks 15 are installed on the side walls of the support frame 1.

[0026] First, loosen the second locking pin 16 to separate the rotating sleeve 17 from the movable shaft 18, rotate the rotating arm 19, and the rotating arm 19 drives the rotating sleeve 17 to rotate around the movable shaft 18, and the bearing block 25 provides support for the movable shaft 18, and the rotating arm 19 drives the connecting column 26 to rotate, and the connecting column 26 drives the first threaded rod 20, the first threaded sleeve 21 and the auxiliary bearing plate 11 to rotate, so that the four groups of auxiliary bearing plates 11 are dispersed, and then tighten the second locking pin 16 to reconnect the movable shaft 18 with the rotating sleeve 17, and rotate the first threaded sleeve 21 at the same time. Under the threaded connection between the first threaded sleeve 21 and the first threaded rod 20, the first threaded sleeve 21 rotates on the surface of the first threaded rod 20, and at the same time, the first threaded sleeve 21 is moved away from the connecting column 26, and the auxiliary bearing plate 11 is driven away from the connecting column 26 by the first threaded sleeve 21, and the second threaded sleeve 23 is rotated. Under the threaded connection with the second threaded rod 22, the second threaded sleeve 23 rotates on the surface of the second threaded rod 22, and the second threaded sleeve 23 drives the main bearing plate 10 to move away from the auxiliary bearing plate 11, so that the main bearing plate 10 and the auxiliary bearing plate 11 are adjusted to the same distance, thereby adjusting the use height of the structure, the auxiliary bearing plate 11 provides support for the rotating arm 19, the rotating arm 19 and the main bearing plate 10 provide support for the supporting frame 1, and the supporting frame 1 provides support for the supporting plate 2. With the cooperation of multiple groups of auxiliary bearing plates 11 and main bearing plates 10, the contact area between the structure and the ground is increased to better disperse the pressure. After that, the structure is placed as a whole into the foundation pit, and the force point of the roadbed is connected to the support block 24, thereby completing the support operation of the roadbed, realizing convenient rotation and opening and closing to adjust the force area, facilitating the adjustment of the use height, and improving the stability of the support;

[0027] Two sets of bearing blocks 25 are installed on the side walls of the connecting block 15. A movable shaft 18 is provided on the outside of the connecting block 15, and the movable shaft 18 is connected to the bearing block 25.

[0028] The surface of the movable shaft 18 is covered with a rotating sleeve 17, and the rotating sleeve 17 is movably connected to the movable shaft 18;

[0029] A second locking pin 16 is installed on the side wall of the rotating sleeve 17 on one side of the movable shaft 18, and the second locking pin 16 passes through the rotating sleeve 17 and extends to the surface of the movable shaft 18;

[0030] A rotating arm 19 is mounted on the outer wall of the rotating sleeve 17. A connecting column 26 is mounted on the end of the rotating arm 19 away from the rotating sleeve 17. A first threaded rod 20 is mounted on the bottom end of the connecting column 26. A first threaded sleeve 21 is mounted on the surface of the first threaded rod 20, and the first threaded sleeve 21 is threadedly connected to the first threaded rod 20. The bottom end of the first threaded sleeve 21 is mounted on the secondary bearing plate 11.

[0031] The bottom ends of the support frames 1 are all installed with second threaded rods 22, and the surfaces of the second threaded rods 22 are all sleeved with second threaded sleeves 23, and the second threaded sleeves 23 are threadedly connected to the second threaded rods 22. The bottom ends of the second threaded sleeves 23 are all installed with main bearing plates 10. A telescopic rod 9 is provided on one side of the telescopic sleeve 7, and the telescopic rod 9 extends into the interior of the two sets of telescopic sleeves 7. A first locking pin 8 is installed on the outer wall of the telescopic sleeve 7 on one side of the telescopic rod 9, and the first locking pin 8 passes through the telescopic sleeve 7 and extends to the surface of the telescopic rod 9.

[0032] When it is necessary to adjust the distance between the two sets of support plates 2 to adapt to the force points at different distances, loosen the first locking pin 8 to separate the telescopic rod 9 and the telescopic sleeve 7, pull the telescopic sleeve 7, and the telescopic sleeve 7 slides on the surface of the telescopic rod 9, and the telescopic sleeve 7 drives the support seat 3 and the support plate 2 to move away from each other, thereby adjusting the distance between the support seat 3, the support plate 2 and the support block 24. When it is necessary to make fine adjustments again, turn the handle 12, and the handle 12 drives the movable threaded rod 13 to rotate. When the movable threaded rod 13 and the movable threaded sleeve 14 are in contact with each other, the movable threaded rod 13 and the movable threaded sleeve 14 are in contact with each other. Under the threaded connection, under the sliding cooperation between the movable threaded sleeve 14 and the slide groove 4, the movable threaded rod 13 drives the movable threaded sleeve 14 to move, and the movable threaded sleeve 14 drives the connecting plate 5, the curved plate 6 and the support block 24 to move, so as to further fine-tune the spacing between the support blocks 24, thereby adapting to the force points with different spacings. After the support block 24 is subjected to pressure, its pressure is transmitted to the surface of the curved plate 6, and the curved plate 6 bears the pressure, realizing convenient pulling and multi-level adjustment to adapt to the force points with different spacings, thereby improving the flexibility of support.

[0033] Working principle: First, loosen the second locking pin 16 to separate the rotating sleeve 17 from the movable shaft 18, rotate the rotating arm 19, and the rotating arm 19 drives the rotating sleeve 17 to rotate with the movable shaft 18 as the axis. The bearing block 25 provides support for the movable shaft 18, and the rotating arm 19 drives the connecting column 26 to rotate. The connecting column 26 drives the first threaded rod 20, the first threaded sleeve 21 and the auxiliary bearing plate 11 to rotate, so that the four groups of auxiliary bearing plates 11 are dispersed. Then, tighten the second locking pin 16 to reconnect the movable shaft 18 with the rotating sleeve 17, and at the same time rotate the first threaded sleeve 21. The first threaded sleeve 21 is in the first The surface of the threaded rod 20 rotates, and at the same time, the first threaded sleeve 21 is moved away from the connecting column 26. The first threaded sleeve 21 drives the secondary bearing plate 11 away from the connecting column 26, and the second threaded sleeve 23 is rotated. The second threaded sleeve 23 rotates on the surface of the second threaded rod 22, and the second threaded sleeve 23 drives the main bearing plate 10 away from the secondary bearing plate 11, so that the main bearing plate 10 and the secondary bearing plate 11 are adjusted to the same distance, thereby adjusting the use height of the structure. The secondary bearing plate 11 provides support for the rotating arm 19, and the rotating arm 19 and the main bearing plate 10 provide support for the support frame 1. 1 provides support for the support plate 2, and the contact area between the structure and the ground is increased by the cooperation of multiple groups of auxiliary bearing plates 11 and the main bearing plate 10 to better disperse the pressure. Then the structure is placed into the foundation pit as a whole, and the force points of the roadbed are connected to the support blocks 24 to complete the support operation of the roadbed. When it is necessary to adjust the distance between the two groups of support plates 2 to adapt to force points at different distances, loosen the first locking pin 8 to separate the telescopic rod 9 and the telescopic sleeve 7, pull the telescopic sleeve 7, and the telescopic sleeve 7 slides on the surface of the telescopic rod 9, and the telescopic sleeve 7 drives the support seat 3 and the support plate 2 respectively. They are moved away from each other to adjust the distance between the support seat 3, the support plate 2 and the support block 24. When fine-tuning is needed again, the handle 12 drives the movable threaded rod 13 to rotate, and the movable threaded rod 13 drives the movable threaded sleeve 14 to move, and the movable threaded sleeve 14 drives the connecting plate 5, the curved plate 6 and the support block 24 to move, so as to further fine-tune the spacing between the support blocks 24, so as to adapt to the force points with different spacings. After the support block 24 is subjected to pressure, its pressure is transmitted to the surface of the curved plate 6, and the curved plate 6 bears the pressure to complete the use of the fill roadbed support structure in the soft soil area.

[0034] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A soft soil area fill roadbed support structure, comprising a support seat and a chute, characterized in that: The support seats are divided into two groups, and two groups of slide grooves are installed inside the support seats. A movable threaded rod is movably installed inside the slide grooves. The surfaces of the movable threaded rods are covered with movable threaded sleeves, and the movable threaded sleeves are threadedly connected to the movable threaded rods, and the movable threaded sleeves are slidably connected to the slide grooves. A handle is installed at one end of the movable threaded rods. A connecting plate is provided above the support seats, and the connecting plate is connected to the movable threaded sleeves. An arc plate is installed at the top of the connecting plate, and a support block is installed at the top of the arc plate. A telescopic sleeve is installed on one side of the support seat, and a support plate is installed at the bottom end of the support seat. A support frame is installed at the bottom end of the support plate, and four groups of equally spaced connecting blocks are installed on the side walls of the support frame.

2. The soft soil area fill roadbed support structure according to claim 1, characterized in that: Two groups of bearing blocks are installed on the side walls of the connecting blocks, and movable shafts are provided on the outsides of the connecting blocks, and the movable shafts are connected to the bearing blocks.

3. The soft soil area fill roadbed support structure according to claim 2, characterized in that: The surfaces of the movable shafts are all covered with rotating sleeves, and the rotating sleeves are movably connected to the movable shafts.

4. The soft soil area fill roadbed support structure according to claim 2, characterized in that: A second locking pin is installed on the side wall of the rotating sleeve on one side of the movable shaft, and the second locking pin passes through the rotating sleeve and extends to the surface of the movable shaft.

5. The soft soil area fill roadbed support structure according to claim 3, characterized in that: A rotating arm is installed on the outer wall of the rotating sleeve, and a connecting column is installed on one end of the rotating arm away from the rotating sleeve.

6. The soft soil area fill roadbed support structure according to claim 5, characterized in that: The bottom ends of the connecting columns are all equipped with first threaded rods, the surfaces of the first threaded rods are all covered with first threaded sleeves, and the first threaded sleeves are threadedly connected to the first threaded rods, and the bottom ends of the first threaded sleeves are all equipped with auxiliary bearing plates.

7. The soft soil area fill roadbed support structure according to claim 1, characterized in that: The bottom ends of the support frames are all equipped with second threaded rods, and the surfaces of the second threaded rods are all sleeved with second threaded sleeves.

8. The soft soil area fill roadbed support structure according to claim 7, characterized in that: The second threaded sleeve is threadedly connected to the second threaded rod, and the bottom end of the second threaded sleeve is installed with a main bearing plate.

9. The soft soil area fill roadbed support structure according to claim 1, characterized in that: A telescopic rod is provided on one side of the telescopic sleeve, and the telescopic rod extends into the interior of the two groups of telescopic sleeves.

10. The soft soil area fill roadbed support structure according to claim 9, characterized in that: A first locking pin is installed on the outer wall of the telescopic sleeve on one side of the telescopic rod, and the first locking pin passes through the telescopic sleeve and extends to the surface of the telescopic rod.

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