CN217781608U

CN217781608U - Roadbed extension supporting structure

Info

Publication number: CN217781608U
Application number: CN202221949237.0U
Authority: CN
Inventors: 朱小坚; 刘建刚; 刘璐
Original assignee: Third Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-11
Anticipated expiration: 2032-07-26

Abstract

The utility model belongs to the technical field of highway engineering device technique and specifically relates to a road bed enlargement supporting construction is related to, and it includes the bottom plate, protects and the stand to one side, the bottom plate passes through the tubular pile and connects in the foundation ditch bottom, protect to one side and connect to support tightly with the lateral wall of old road bed on the bottom plate, protect to one side and be connected with the stock, the stock is inserted and is established on the old road bed, the vertical connection of stand is in on the bottom plate, this application has the effect that improves the road bed enlargement quality.

Description

Roadbed extension supporting construction

Technical Field

The application relates to the technical field of highway engineering devices, in particular to a roadbed extension supporting structure.

Background

With the rapid development of economic society and the increase of road traffic, the number of highway transportation requirements in China is increased year by year, and compared with the reconstruction of highways, in order to improve the road traffic capacity, a road extension project expands new roadbeds on two sides of the roadbed on the basis of the original roadbeds, fully utilizes the original roadbeds, shortens the construction period and occupies less construction land.

When the extension project is carried out, foundation pits are usually required to be excavated and extended on two sides of an original roadbed, the consolidation degree of the lower roadbed soil reaches a certain degree after an old roadbed is used for a long time, after the roadbed is newly built in the foundation pits, the newly built roadbed is likely to be settled due to overlarge bearing in the use process, the side wall of the old roadbed is likely to slide laterally, and the settlement of the newly built roadbed is likely to cause interlayer slippage in the newly built roadbed, so that the quality of roadbed extension is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve road bed extension quality, this application provides a road bed extension supporting construction.

The application provides a road bed extension supporting construction adopts following technical scheme:

the utility model provides a road bed enlargement supporting construction, includes the bottom plate, protects and the stand to one side, the bottom plate passes through the tubular pile and connects in the foundation ditch bottom, protect to one side and connect to support tightly with the lateral wall of old road bed on the bottom plate, be connected with the stock on protecting to one side, the stock is inserted and is established on old road bed, the vertical connection of stand is in on the bottom plate.

By adopting the technical scheme, the inclined guard arranged in the foundation pit protects the old roadbed, so that the possibility that the side wall of the old roadbed can slide laterally is reduced, and the roadbed extension quality is improved; the stand sets up in the foundation ditch, after the road bed is built newly in the foundation ditch, the stand is vertical to be inserted and to be established in the road bed of building newly, and the road bed parcel of building newly is around the stand, and the stand plays the supporting role to newly-built road bed to reduced because the settlement of building newly the road bed, slided between the layer that produces in the road bed of building newly, thereby improved the road bed extension quality.

Optionally, the stand column is detachably connected with a plurality of connecting columns, the connecting columns are horizontally arranged, and the connecting columns are located in each pouring layer of the newly-built foundation.

By adopting the technical scheme, after the roadbed is newly built in the foundation pit, the connecting columns are inserted into the pouring layers of the newly built roadbed, so that the limiting effect of the columns on the interlayer slippage of the newly built roadbed is improved.

Optionally, one end of the connecting column, which is far away from the upright column, is connected with the inclined guard.

Through adopting above-mentioned technical scheme, the spliced pole is connected between stand and inclined protection, has improved the stability of spliced pole.

Optionally, the connecting column is in threaded connection with the upright column, a connecting cylinder is sleeved at one end, away from the upright column, of the connecting column, a plurality of positioning holes are formed in the side wall of the connecting column along the length direction of the connecting column, threads are formed in the side wall of the positioning holes, positioning bolts are in threaded connection with the connecting cylinder and penetrate through the connecting cylinder and are connected with the connecting column through the positioning holes, an insertion block is hinged to the end, away from the connecting column, of the connecting cylinder, the insertion block is arranged in a dovetail shape, an insertion groove corresponding to the insertion block is formed in the side wall, facing the upright column, of the inclined guard, and the insertion block is inserted in the insertion groove and is in insertion fit with the insertion groove.

Through adopting above-mentioned technical scheme, remove the connecting cylinder, the relative displacement takes place for spliced pole and connecting cylinder to thereby be convenient for adjust the relative position between spliced pole and the connecting cylinder according to the horizontal distance between oblique protection and the stand.

Optionally, protect to one side including first swash plate, second swash plate and pour first swash plate concrete portion between the second swash plate, first swash plate articulates the bottom plate is close to the one end of old road bed, the second swash plate with first swash plate parallel arrangement, the second swash plate with the bottom plate is articulated, first swash plate with be connected with the diaphragm between the second swash plate, the diaphragm level sets up, the tip of diaphragm with first swash plate the second swash plate is articulated.

Through adopting above-mentioned technical scheme, first swash plate, second swash plate and pour the concrete portion between first swash plate, second swash plate and form the thin wall barricade on the lateral wall of old road bed to improved the protection effect of protecting to old road bed lateral wall to one side, the setting of diaphragm has improved the stability between first swash plate and the second swash plate.

Optionally, the bottom plate is connected with an inclined strut, and the inclined strut is connected between the bottom plate and the second inclined plate.

Through adopting above-mentioned technical scheme, the setting of bracing forms the triangle space between bottom plate and second swash plate to improve the stability of second swash plate, improved the holistic stability of inclined protection.

Optionally, a chute is arranged on the bottom plate in the horizontal direction between the first inclined plate and the second inclined plate, a sliding block is connected to the sliding groove in a sliding manner, a screw rod is arranged in the sliding groove in the length direction of the sliding groove, the screw rod is rotatably connected with the bottom plate and is located in the sliding groove, the sliding block is in threaded connection with the screw rod, one end of the inclined strut is hinged to the sliding block, and the other end of the inclined strut is hinged to the second inclined plate.

Through adopting above-mentioned technical scheme, rotate the screw rod, the slider removes along the screw rod, and the slider removes towards the second swash plate, and bracing and second swash plate take place to rotate, and the second swash plate is pressed down towards old roadbed rotation at the support of bracing to the protection effect of inclined protection to old roadbed lateral wall has been improved.

Optionally, be provided with the dovetail on the lateral wall of diaphragm, the dovetail is followed first swash plate sets up to the horizontal direction between the second swash plate, sliding connection has the dovetail block on the diaphragm, the dovetail block is located in the dovetail and with dovetail sliding fit, it has the connecting rod to articulate on the dovetail block, the connecting rod is kept away from the one end of dovetail block with first swash plate the second swash plate is articulated.

Through adopting above-mentioned technical scheme, connecting rod, diaphragm form triangle space between first swash plate, second swash plate to stability between first swash plate and the second swash plate has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inclined guard arranged in the foundation pit protects the old roadbed, so that the possibility that the side wall of the old roadbed can slide laterally is reduced, and the roadbed extension quality is improved; the upright posts are arranged in the foundation pit, after a newly-built roadbed is built in the foundation pit, the upright posts are vertically inserted into the newly-built roadbed, the newly-built roadbed is wrapped around the upright posts, and the upright posts play a supporting role for the newly-built roadbed, so that interlayer slippage generated in the newly-built roadbed due to settlement of the newly-built roadbed is reduced, and the roadbed extension quality is improved;

2. after the roadbed is newly built in the foundation pit, the connecting columns are inserted into each pouring layer of the newly built foundation, so that the limiting effect of the stand columns on the interlayer slippage of the newly built roadbed is improved;

3. the connecting column and the connecting cylinder are displaced relatively until the relative position between the connecting column and the connecting cylinder is adjusted conveniently according to the horizontal distance between the inclined guard and the upright column.

Drawings

Fig. 1 is a schematic view of an overall structure for embodying a roadbed extension supporting structure;

fig. 2 is a schematic diagram for showing a positional relationship between the first swash plate and the cross plate;

fig. 3 is an enlarged view of a portion a for showing a positional relationship between the connecting rod and the first swash plate in fig. 2.

Description of the reference numerals:

1. a base plate; 2. inclined protection; 3. a column; 4. pipe pile; 5. a first swash plate; 6. a second swash plate; 7. a concrete section; 8. a transverse plate; 9. a dovetail block; 10. a dovetail groove; 11. a connecting rod; 12. a chute; 13. a screw; 14. a motor; 15. a slider; 16. bracing; 17. connecting columns; 18. a connecting cylinder; 19. positioning holes; 20. positioning bolts; 21. inserting grooves; 22. inserting a block; .

Detailed Description

The embodiment of the application discloses road bed extension supporting construction.

Referring to fig. 1 and 2, the roadbed extension supporting structure comprises a bottom plate 1, an inclined guard 2 and an upright post 3, wherein the bottom plate 1 is fixed at the bottom of a foundation pit through a tubular pile 4.

Referring to fig. 1, a bevel guard 2 is disposed at one end of a bottom plate 1 close to a roadbed, and the bevel guard 2 includes a first bevel plate 5, a second bevel plate 6, and a concrete part 7 cast between the first bevel plate 5 and the second bevel plate 6.

Referring to fig. 2 and 3, the first inclined plate 5 is hinged to the end portion of the bottom plate 1 close to an old roadbed, the second inclined plate 6 is hinged to the bottom plate 1, the first inclined plate 5 and the second inclined plate 6 are arranged in parallel, a transverse plate 8 is connected between the first inclined plate 5 and the second inclined plate 6, the transverse plate 8 is horizontally arranged, the end portion of the transverse plate 8 is hinged to the first inclined plate 5 and the second inclined plate 6, a dovetail groove 10 is formed in the side wall, opposite to the transverse plate 8, in the vertical direction, of the transverse plate 8, the dovetail groove 10 is formed in the horizontal direction between the first inclined plate 5 and the second inclined plate 6, two dovetail blocks 9 are connected to the transverse plate 8 in a sliding mode, the dovetail blocks 9 are located in the dovetail groove 10 and are in sliding fit with the dovetail groove 10, a connecting rod 11 is hinged to the dovetail blocks 9, one end, far away from the dovetail blocks 9, of the connecting rod is hinged to the first inclined plate 5 and the second inclined plate 6, and the two connecting rods 11 are arranged in parallel.

Referring to fig. 2, a chute 12 is arranged on the bottom plate 1, the chute 12 is arranged along a horizontal direction between the first sloping plate 5 and the second sloping plate 6, a motor 14 is connected to the bottom of the chute 12, a screw 13 is connected to the bottom plate 1 in a rotating manner, the screw 13 is arranged along a length direction of the chute 12, the screw 13 is located in the chute 12, an output shaft of the motor 14 is coaxially connected with the screw 13, a slider 15 is connected to the screw 13 in a threaded manner, a side wall opposite to the slider 15 is abutted to a side wall opposite to the chute 12, a diagonal brace 16 is hinged to the slider 15, and an end portion, far away from the slider 15, of the diagonal brace 16 is hinged to the second sloping plate 6.

Referring to fig. 1 and 2, the upright column 3 is vertically connected on the bottom plate 1, the upright column 3 is connected with at least one connecting column 17 through threads, the connecting column 17 is horizontally arranged, one end of the connecting column 17, which is far away from the upright column 3, is sleeved with a connecting cylinder 18, an opening of the connecting cylinder 18 is arranged towards the connecting column 17, a plurality of positioning holes 19 are formed in the connecting rod along the length direction of the connecting rod, threads are arranged on the side wall of the positioning holes 19, a positioning bolt 20 is connected on the connecting cylinder 18 through the threads, the positioning bolt 20 penetrates through the connecting cylinder 18 and is in threaded connection with the positioning holes 19, an insertion groove 21 is formed in the side wall, which is far away from the first inclined plate 5, of the second inclined plate 6, the cross section of the insertion groove 21 is arranged in a dovetail shape, the insertion groove 21 penetrates through the side wall, the end part of the connecting cylinder 18 is hinged with an insertion block 22 corresponding to the insertion groove 21, and the insertion block 22 is inserted in the insertion groove 21 and is in sliding fit with the insertion groove 21.

The application principle of the roadbed extension supporting structure is as follows:

the bottom plate 1 is connected to the bottom of a foundation pit through the tubular pile 4, the motor 14 is started, the motor 14 drives the screw 13 to rotate, the slider 15 moves along the screw 13, the inclined strut 16 rotates along with the movement of the slider 15, the slider 15 moves towards an old roadbed, the inclined strut 16 pushes the second inclined plate 6 to rotate, the first inclined plate 5 rotates towards the side wall of the old roadbed under the driving of the transverse plate 8, so that the inclined guard 2 abuts against the old roadbed, in the rotating process of the first inclined plate 5 and the second inclined plate 6, the connecting rod 11 rotates along with the first inclined plate 5 and the second inclined plate 6, and the dovetail block 9 moves in the dovetail groove 10; after the inclined guard 2 is tightly abutted against the old roadbed, concrete is poured between the first inclined plate 5 and the second inclined plate 6; finally, the plug 22 is inserted into the plug groove 21, the connecting column 17 is moved along the axial direction of the connecting cylinder 18, the connecting column 17 moves towards the upright post 3 and is in threaded connection with the upright post 3, and finally the positioning bolt 20 is rotated, so that the positioning bolt 20 is in threaded connection with the corresponding positioning hole 19. The inclined guard 2 supports the side wall of the old roadbed, the possibility that the side wall of the old roadbed slides due to settlement is reduced, the stand columns 3 and the connecting columns 17 are arranged in a newly-built roadbed after pouring, the possibility that the newly-built roadbed slides between layers due to settlement is reduced, and therefore the roadbed extension quality is improved.

Claims

1. The utility model provides a road bed extension supporting construction which characterized in that: including bottom plate (1), protect (2) and stand (3) to one side, bottom plate (1) is connected in the foundation ditch bottom through tubular pile (4), protect (2) to one side and connect to support tightly with the lateral wall of old road bed on bottom plate (1), protect to one side and be connected with the stock on (2), the stock is inserted and is established on old road bed, stand (3) vertical connection is in on bottom plate (1).

2. A roadbed extension supporting structure according to claim 1, wherein: the novel foundation is characterized in that the upright columns (3) are detachably connected with a plurality of connecting columns (17), the connecting columns (17) are horizontally arranged, and the connecting columns (17) are located in each pouring layer of a newly-built foundation.

3. The subgrade extension supporting structure of claim 2, wherein: one end of the connecting column (17) far away from the upright column (3) is connected with the inclined guard (2).

4. A roadbed extension supporting structure according to claim 3, wherein: the connecting column (17) is in threaded connection with the upright column (3), one end, far away from the upright column (3), of the connecting column (17) is sleeved with a connecting cylinder (18), a plurality of positioning holes (19) are formed in the side wall of the connecting column (17) along the length direction of the connecting column, threads are formed in the side wall of each positioning hole (19), a positioning bolt (20) is connected to the connecting cylinder (18) in a threaded mode, the positioning bolt (20) penetrates through the connecting cylinder (18) and is connected with the connecting column (17) through the positioning holes (19), an inserting block (22) is hinged to the end, far away from the connecting column (17), of the connecting cylinder (18), the section of the inserting block (22) is in a dovetail shape, an inserting groove (21) corresponding to the inserting block (22) is formed in the side wall, facing the upright column (3), of the inclined guard (2), and the inserting block (22) is inserted into the inserting groove (21) and is in inserting fit with the inserting groove (21).

5. A roadbed extension supporting structure according to claim 1, wherein: protect (2) to one side and include first swash plate (5), second swash plate (6) and pour first swash plate (5) concrete portion (7) between second swash plate (6), first swash plate (5) articulate bottom plate (1) is close to the one end of old road bed, second swash plate (6) with first swash plate (5) parallel arrangement, second swash plate (6) with bottom plate (1) is articulated, first swash plate (5) with be connected with diaphragm (8) between second swash plate (6), diaphragm (8) level sets up, the tip of diaphragm (8) with first swash plate (5) second swash plate (6) are articulated.

6. The subgrade extension supporting structure of claim 5, wherein: the bottom plate (1) is connected with an inclined strut (16), and the inclined strut (16) is connected between the bottom plate (1) and the second inclined plate (6).

7. The subgrade extension supporting structure of claim 6, wherein: follow on bottom plate (1) first swash plate (5) to the horizontal direction between second swash plate (6) are provided with spout (12), follow in spout (12) the length direction sliding connection of spout (12) has slider (15), follow in spout (12) the length direction of spout (12) is provided with screw rod (13), screw rod (13) with bottom plate (1) rotates to be connected and is located in spout (12), slider (15) with screw rod (13) threaded connection, the one end of bracing (16) with slider (15) are articulated, the other end with second swash plate (6) are articulated.

8. The subgrade extension supporting structure of claim 5, wherein: be provided with dovetail (10) on the lateral wall of diaphragm (8), dovetail (10) are followed first swash plate (5) sets up to the horizontal direction between second swash plate (6), sliding connection has dovetail block (9) on diaphragm (8), dovetail block (9) are located in dovetail (10) and with dovetail (10) sliding fit, it has connecting rod (11) to hinge on dovetail block (9), connecting rod (11) are kept away from the one end of dovetail block (9) with first swash plate (5) second swash plate (6) are articulated.