Road soft foundation treatment and foundation pit supporting combined structure

Abstract

The utility model discloses a road soft foundation treatment and foundation pit supporting combined structure which comprises a soft foundation pit, a supporting ring and a supporting frame, the supporting ring is movably arranged on the periphery of the soft foundation pit, and the supporting frame is movably arranged on the periphery of the supporting ring. The supporting ring and the supporting frame are sequentially arranged on the periphery of the soft foundation pit from inside to outside, the horn-shaped material guiding cover is dragged through the handle to do circular motion along the surface of the supporting ring on the basis of the arc sleeve, and a rotating structure composed of the telescopic rod, the hinged support, the hinged lug and the pin shaft is combined. On one hand, the position of the material guiding cover can be adjusted in a surrounding mode relative to the soft foundation pit, on the other hand, the material guiding cover has the inclination angle and height adjusting effect, and convenience is provided for landfill work in the soft foundation pit treatment stage. And in combination with the arrangement of the warning board, supporting and warning of the soft foundation pit are achieved, and meanwhile the fast assembling effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a road soft foundation treatment and foundation pit support combined structure. Background Art

[0002] In the development process of urban road network, water-rich soft roadbed has low bearing capacity, and is often accompanied by uneven settlement of the roadbed during construction, which easily leads to cracking of the roadbed. How to deal with water-rich soft roadbed has gradually become one of the major problems that need to be faced in municipal road construction. Among them, the treatment of soft roadbed is often carried out by filling with concrete, for example: Public patent number: CN111364305B.

[0003] In the prior art, publication number CN218711864U discloses a structure for treating water-rich soft roadbed of a municipal road, which relates to the technical field of municipal road construction. The device includes a supporting layer, a leveling layer and a waterproof layer. The supporting layer is made of stone slabs, and the stone slabs are stacked; the leveling layer is located on the supporting layer, and the leveling layer is made of crushed stone; the waterproof layer is located on the leveling layer, and the waterproof layer is made of lime soil. The utility model can effectively eliminate uneven settlement of the roadbed and greatly reduce post-construction settlement. The utility model has a simple treatment structure, and the used stone slabs, graded crushed stone, and lime soil have a wide source of materials, are easy to transport, and are low in price, which can greatly save engineering costs.

[0004] However, since the above-mentioned road soft foundation treatment device is not provided with a foundation pit support structure, the installation method of the existing conventional foundation pit support is relatively complicated, and the overall structure is bulky, which causes inconvenience to the protective performance and safe operation of the road soft foundation treatment.

[0005] To this end, a combined structure of road soft foundation treatment and foundation pit support is proposed, which has the advantages of facilitating road soft foundation treatment and support, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a road soft foundation treatment and foundation pit support combined structure.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a road soft foundation treatment and foundation pit support combined structure, including a soft foundation pit, a support ring and a support frame, the soft foundation pit is movably provided with a support ring on the periphery, and the support ring is movably provided with a support frame on the periphery, the surface of the support ring is sleeved with an arc sleeve, and the top surface of the arc sleeve is fixedly connected with a telescopic rod, a hinge seat is fixed on the top of the telescopic rod, and a material guide cover is arranged above the hinge seat, a hinge ear is welded on the side of the material guide cover facing the hinge seat, and a pin is inserted through the hinge ear extending to one end of the hinge seat, the support frame is composed of a plurality of unit guardrails, and a group of connecting hoops is sleeved and installed between two adjacent unit guardrails, two connecting ears are arranged at the open end of the connecting hoop, and a long-handled bolt is arranged between the two connecting ears, a cross bar is welded on each unit guardrail of the support frame, and a threaded hole is opened in the middle of the cross bar, a warning sign is arranged on one of the unit guardrails of the support frame, and a threaded column threadedly connected to the threaded hole is arranged on the back of the warning sign.

[0008] As a further description of the above technical solution: the support frame is annular in structure as a whole and is distributed on the periphery of the soft foundation pit, and cone spikes are welded on the bottom of each unit guardrail of the support frame.

[0009] As a further description of the above technical solution: a plurality of conical rods are welded around the bottom surface of the support ring, and guide grooves of annular structures are provided on the inner and outer rings of the support ring, and guide blocks are provided on the inner wall surface of the arc sleeve corresponding to the guide grooves, and the guide blocks are slidably connected to the guide grooves.

[0010] As a further description of the above technical solution: the material guiding cover is a trumpet-shaped structure as a whole, and the small opening of the material guiding cover points to the soft foundation pit, and a handle is welded on the outer surface of the material guiding cover.

[0011] As a further description of the above technical solution: the unit guardrail is composed of two pillars and a plurality of cross bars welded therebetween, and the threaded holes are arranged on the surface of the uppermost cross bar of the unit guardrail.

[0012] As a further description of the above technical solution: the top of the threaded column is welded to a support frame connected to the back of the warning sign, and the support frame is composed of a support column arranged perpendicular to the warning sign and diagonal support rods arranged on both sides thereof.

[0013] As a further description of the above technical solution: the connecting hoop is an oblate structure as a whole, and through holes are provided on the two connecting ears at the open end of the connecting hoop.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, support rings and support frames are sequentially arranged from the inside to the outside on the periphery of the soft foundation pit, and the trumpet-shaped material guide cover is pulled by the handle to make a circular motion along the surface of the support ring based on the arc sleeve. Combined with the rotating structure composed of the telescopic rod and the hinge seat, hinge ear and pin shaft, on the one hand, the position of the material guide cover can be adjusted in a surrounding manner about the soft foundation pit, and on the other hand, the material guide cover has the effect of adjusting the inclination and height, which provides convenience for the landfill work in the soft foundation pit treatment stage. Since the support frame is composed of a plurality of unit guardrails and a connecting hoop fixed by long-handled bolts between two unit guardrails, combined with the setting of warning signs, it has the effect of quick assembly while meeting the soft foundation pit support and warning, and provides a solid foundation for the protective performance and safe operation of road soft foundation treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a road soft foundation treatment and foundation pit support combined structure of the utility model;

[0017] Figure 2 This is a schematic diagram of a support frame structure of a road soft foundation treatment and foundation pit support combined structure of the utility model;

[0018] Figure 3 This is a dissection diagram of a support ring and a material guide cover of a combined structure of road soft foundation treatment and foundation pit support of the utility model.

[0019] Legend:

[0020] 1. Soft foundation pit; 2. Support ring; 3. Support frame; 4. Material guide cover; 5. Unit guardrail; 6. Threaded hole; 7. Connecting hoop; 8. Connecting ear; 9. Long-handled bolt; 10. Warning sign; 11. Threaded column; 12. Cone spike; 13. Cross bar; 14. Cone rod; 15. Arc sleeve; 16. Telescopic rod; 17. Hinge seat; 18. Hinge ear; 19. Pin; 20. Handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] According to an embodiment of the utility model, a combined structure for road soft foundation treatment and foundation pit support is provided.

[0023] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3As shown, a combined structure of soft foundation treatment and foundation pit support for roads according to an embodiment of the utility model comprises a soft foundation pit 1, a support ring 2 and a support frame 3. The support ring 2 is movably arranged on the periphery of the soft foundation pit 1, and the support frame 3 is movably arranged on the periphery of the support ring 2. An arc sleeve 15 is sleeved on the surface of the support ring 2, and a telescopic rod 16 is fixedly connected to the top surface of the arc sleeve 15. A hinge seat 17 is fixed on the top of the telescopic rod 16, and a material guide cover 4 is arranged above the hinge seat 17. A hinge ear 18 is welded on the side of the material guide cover 4 facing the hinge seat 17, and a pin shaft 19 is inserted through the hinge ear 18 extending to one end of the hinge seat 17. The support frame 3 is composed of a plurality of unit guardrails 5, and a group of connecting hoops 7 are sleeved and installed between two adjacent unit guardrails 5. The open end of the connecting hoop 7 is provided with two connecting ears 8. A long-handled bolt 9 is provided between the two connecting ears 8, a cross bar 13 is welded on each unit guardrail 5 of the support frame 3, and a threaded hole 6 is provided in the middle of the cross bar 13, a warning sign 10 is provided on one of the unit guardrails 5 of the support frame 3, and a threaded column 11 threadedly connected to the threaded hole 6 is provided on the back of the warning sign 10, wherein the protection range of the support frame 3 is adapted to the range of the soft foundation pit 1, and a rotating structure composed of a hinge seat 17, a hinge ear 18 and a pin 19 is provided to adjust the inclination angle of the guide cover 4, so as to facilitate the pouring of concrete, the hinge seat 17 is a U-shaped structure, and a circular jack adapted to the pin 19 is provided on the surface of the hinge ear 18, and the principle of the telescopic rod 16 is an existing known technology, and there are mature products, so no further explanation is given to its principle;

[0024] In one embodiment, the support frame 3 is annular in structure and distributed around the soft foundation pit 1 , and a cone thorn 12 is welded to the bottom of each unit guardrail 5 of the support frame 3 , so that the unit guardrail 5 can be fixed.

[0025] In one embodiment, a plurality of cone rods 14 are welded around the bottom surface of the support ring 2, and guide grooves of annular structures are provided on the inner and outer rings of the support ring 2. A guide block is provided on the inner wall surface of the arc sleeve 15 corresponding to the guide groove, and the guide block is slidably connected to the guide groove. By providing a plurality of cone rods 14, the support ring 2 can be connected to the road surface outside the soft foundation pit 1 through the cone rods 14, so as to achieve the purpose of fixing the support ring 2. The guide block is slidably connected to the guide groove to increase the reliability of the arc sleeve 15 on the support ring 2, and will not flip or deflect. The guide block is an isosceles trapezoidal structure, and the internal space of the guide groove is adapted to the shape of the guide block.

[0026] In one embodiment, the material guide cover 4 is an overall trumpet-shaped structure, and the small opening of the material guide cover 4 points to the soft foundation pit 1, and a handle 20 is welded on the outer surface of the material guide cover 4. Through the setting of the material guide cover 4, the filling material (that is, concrete) in the soft foundation pit 1 can be guided so that the concrete can be evenly filled in the soft foundation pit 1, thereby achieving the purpose of preventing the soft foundation pit 1 from collapsing.

[0027] In one embodiment, the unit guardrail 5 is composed of two pillars and a plurality of cross bars 13 welded therebetween. The threaded holes 6 are arranged on the surface of the topmost cross bars 13 of the unit guardrail 5 . The threaded holes 6 are arranged to facilitate the installation of the warning sign 10 .

[0028] In one embodiment, a support frame connected to the back of the warning sign 10 is welded to the top of the threaded column 11, and the support frame is composed of a pillar arranged perpendicular to the warning sign 10 and diagonal support rods arranged on both sides thereof. The support frame is arranged to increase the stability of the installation of the warning sign 10.

[0029] In one embodiment, the connecting hoop 7 is an oblate structure as a whole, and through holes are provided on the two connecting ears 8 at the open end of the connecting hoop 7, so that the long-handled bolts 9 can be installed through the two connecting ears 8 of the connecting hoop 7 to achieve the purpose of locking the connecting hoop 7.

[0030] Working principle:

[0031] When in use, first extend the concrete feeding structure into the guide cover 4, and simply fix the concrete feeding structure in the guide cover 4. When the soft foundation pit 1 is processed, the handle 20 is used to pull the trumpet-shaped guide cover 4 to make a circular motion along the surface of the support ring 2 based on the arc sleeve 15, and then the handle 20 is used to act on the guide cover 4, so that the guide cover 4 drives the telescopic rod 16 to adaptively extend and retract, and the height of the guide cover 4 is adjusted. Then, the rotating structure composed of the hinge seat 17, the hinge ear 18 and the pin shaft 19 is used to adjust the inclination angle of the guide cover 4. On the one hand, the position of the guide cover 4 can be adjusted relative to the soft foundation pit 1 Surrounding adjustment, on the other hand, the material guide hood 4 also has the effect of inclination and height adjustment, which provides convenience for the pouring of concrete. After the pouring is completed, the support frame 3 composed of several unit guardrails 5 and the connecting hoop 7 fixed between two unit guardrails 5 with long-handled bolts 9 is arranged on the periphery of the soft foundation pit 1, and then the threaded column 11 on the back of the warning sign 10 is connected to the threaded hole 6 on one of the unit guardrails 5, so that the support frame 3 can meet the support and warning of the soft foundation pit 1 while also having the effect of easy and quick assembly, providing a solid foundation for the protective performance of road soft foundation treatment and safe operation.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A road soft foundation treatment and foundation pit support combined structure, comprising a soft foundation pit (1), a support ring (2) and a support frame (3), characterized in that: The soft foundation pit (1) is provided with a support ring (2) on the periphery thereof, and a support frame (3) is provided on the periphery thereof. The surface of the support ring (2) is provided with an arc sleeve (15), and a telescopic rod (16) is fixedly connected to the top surface of the arc sleeve (15). A hinge seat (17) is fixed to the top of the telescopic rod (16), and a material guide cover (4) is provided above the hinge seat (17). A hinge ear (18) is welded on a side of the material guide cover (4) facing the hinge seat (17), and a pin shaft (19) is inserted through one end of the hinge ear (18) extending to the hinge seat (17). The support frame (3) is composed of a plurality of The support frame (3) is composed of a plurality of unit guardrails (5), and a group of connecting hoops (7) are sleeved and installed between two adjacent unit guardrails (5). The open end of the connecting hoop (7) is provided with two connecting ears (8), and a long-handled bolt (9) is provided between the two connecting ears (8). A cross bar (13) is welded on each unit guardrail (5) of the support frame (3), and a threaded hole (6) is opened in the middle of the cross bar (13). A warning sign (10) is provided on one of the unit guardrails (5) of the support frame (3), and a threaded column (11) threadedly connected to the threaded hole (6) is provided on the back of the warning sign (10).

2. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: The support frame (3) is in an annular structure as a whole and is distributed on the periphery of the soft foundation pit (1), and a cone spike (12) is welded to the bottom of each unit guardrail (5) of the support frame (3).

3. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: A plurality of conical rods (14) are welded around the bottom surface of the support ring (2), and guide grooves of annular structures are provided on the inner and outer rings of the support ring (2). A guide block is provided on the inner wall surface of the arc sleeve (15) corresponding to the guide groove, and the guide block is slidably connected to the guide groove.

4. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: The material guide cover (4) is of a trumpet-shaped structure as a whole, and a small opening of the material guide cover (4) points toward the soft foundation pit (1), and a handle (20) is welded on the outer surface of the material guide cover (4).

5. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: The unit guardrail (5) is composed of two pillars and a plurality of cross bars (13) welded therebetween, and the threaded holes (6) are arranged on the surface of the uppermost cross bars (13) of the unit guardrail (5).

6. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: A support frame connected to the back of the warning sign (10) is welded to the top of the threaded column (11), and the support frame is composed of a support column arranged perpendicular to the warning sign (10) and diagonal support rods arranged on both sides thereof.

7. A road soft foundation treatment and foundation pit support combined structure according to claim 1, characterized in that: The connecting hoop (7) is an oblate structure as a whole, and two connecting ears (8) at the open end of the connecting hoop (7) are both provided with through holes.

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