CN214784020U

CN214784020U - Bridge platform back foam light soil roadbed backfilling structure

Info

Publication number: CN214784020U
Application number: CN202121201654.2U
Authority: CN
Inventors: 项文波; 林晗; 陈文婷
Original assignee: Zhejiang Xinzhongyuan Construction Co ltd
Current assignee: Zhejiang Xinzhongyuan Construction Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-19
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a structure is backfilled to bridge back of a platform foam light dirt road bed, including seting up the backfill hole between bridge back of a platform and the road bed, be equipped with foam light soil in the backfill hole, still be equipped with additional strengthening in the backfill hole, additional strengthening is including locating the first sleeve on one side of bridge back of a platform orientation backfill hole, first sleeve is provided with a plurality ofly and is regular polygon and distributes, additional strengthening still includes the symmetry and sets up the second sleeve on one side of road bed orientation bridge back of a platform, additional strengthening includes threaded connection in first connecting rod on the first sleeve to and threaded connection in second connecting rod on the second sleeve, the one end that first connecting rod and second connecting rod are close to mutually is equipped with the connecting sleeve who links together first connecting rod and second connecting rod. This application has the effect that reduces the condition that backfill structure takes place to sink.

Description

Bridge platform back foam light soil roadbed backfilling structure

Technical Field

The application relates to the field of bridge roads, in particular to a bridge platform back foam light soil roadbed backfill structure.

Background

At present, a bridge platform is one of main components for supporting a bridge, and the bridge platforms at two ends of the bridge can be in contact with a roadbed, so that the bridge platforms at two ends not only play a role in supporting the bridge, but also can resist the pressure of the roadbed on one side of a bridge platform back.

Referring to fig. 1, in order to improve the stability of the bridge abutment, a certain space is formed between one side of the bridge abutment 1 and the roadbed 2, and then earthwork 101 is filled in the formed space, thereby reducing the problem of settlement between the bridge abutment and the roadbed 2 to various degrees.

In view of the above-mentioned related art, the inventor believes that the backfilled earthwork 101 is easily sunk downward during a long-term use, so that a height difference exists between a road surface and a bridge, and a vehicle is easily jumped when passing.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition that the backfill structure takes place to sink, the application provides a bridge abutment back of a platform foam light dirt road bed backfill structure.

The application provides a bridge platform back of body foam light dirt road bed backfill structure adopts following technical scheme:

the utility model provides a structure is backfilled to bridge back of a platform foam light dirt road bed, is including seting up the backfill hole between bridge back of a platform and the road bed, be equipped with foam light soil in the backfill hole, still be equipped with additional strengthening in the backfill hole, additional strengthening is including locating the first sleeve on one side of bridge back of a platform orientation backfill hole, first sleeve is provided with a plurality ofly and is regular polygon and distributes, additional strengthening still includes that the symmetry sets up the second sleeve on one side of road bed orientation bridge back of a platform, additional strengthening includes threaded connection in first connecting rod on the first sleeve, and threaded connection in second connecting rod on the second sleeve, the one end that first connecting rod and second connecting rod are close to mutually is equipped with the connecting sleeve that links together first connecting rod and second connecting rod.

Through adopting above-mentioned technical scheme, link together first connecting rod and second connecting rod under connecting sleeve's effect, the one end that first connecting rod and second connecting rod kept away from mutually is connected on the relative one side of backfill hole, then pours into foam light soil into again to make can improve foam light soil's intensity under the effect of first connecting rod and second connecting rod, thereby reduce the condition of taking place to cave downwards.

Optionally, the connecting sleeve is an internal hollow structure, the first connecting rod and the second connecting rod can be inserted into two ends of the connecting sleeve, the reinforcing structure is provided with multiple groups along the vertical direction, the outer wall of the connecting sleeve is provided with penetrating holes, the connecting sleeve is provided with vertical rods penetrating the penetrating holes, and the vertical connecting sleeve penetrating the vertical rods is positioned on the same vertical plane.

Through adopting above-mentioned technical scheme, first connecting rod and second connecting rod both ends are pegged graft in connecting sleeve, and wear to be equipped with the montant that links together the connecting sleeve on the same vertical plane on the connecting sleeve to further improvement additional strengthening is to the enhancement effect of foam light soil.

Optionally, the cross section of the end, close to the first connecting rod, of the second connecting rod is a square structure, and the inner cavity of the connecting sleeve is also a square structure.

Through adopting above-mentioned technical scheme, be difficult to take place relative rotation between connecting sleeve and first connecting rod, the second connecting rod to the feasible state that can keep wearing to establish the hole up, thereby conveniently wears to establish the montant and wears to establish the wearing to establish the hole in order to link together the connecting sleeve on the same vertical plane.

Optionally, the outer wall of the vertical rod is in threaded connection with a plurality of locking nuts, and the locking nuts can abut against the upper surface and the lower surface of the connecting sleeve.

Through adopting above-mentioned technical scheme, lock nut can support tightly in connecting sleeve upper and lower both sides to improve the effort between montant and the connecting sleeve, improve whole additional strengthening's intensity.

Optionally, the outer walls of the first connecting rod and the second connecting rod are respectively sleeved with a connecting ring, the first connecting rod and the second connecting rod respectively penetrate through the connecting rings, and the side walls of the connecting rings are in threaded connection with abutting bolts for positioning the connecting rings.

By adopting the technical scheme, under the action of the connecting ring, the radial deformation of the first connecting rod and the second connecting rod is reduced, so that the reinforcing effect of the first connecting rod and the second connecting rod on the foam light soil is further improved.

Optionally, one side of the roadbed facing the bridge platform back is set to be a step type, and a group of reinforcing structures are correspondingly arranged in the space of each step.

Through adopting above-mentioned technical scheme, improve the intensity in the whole backfill pit to every group second sleeve is connected on the ladder edge lateral wall of difference, reduces mutual influence between every group, improves the road bed to the telescopic support effect of second.

Optionally, be equipped with the inside a location section of thick bamboo of grafting income road bed on the second sleeve, a location section of thick bamboo is inside hollow structure, be equipped with on the outer wall of a location section of thick bamboo and support the contact, support the contact and can strut along the radial direction of a location section of thick bamboo, be equipped with the driving piece that is used for driving the conflict piece to strut in the location section of thick bamboo.

Through adopting above-mentioned technical scheme, a location section of thick bamboo is pegged graft in the road bed, struts the soil layer of tightly supporting in the road bed through driving piece drive conflict piece to improve the effort between second sleeve and the road bed.

Optionally, a sliding groove of a square structure is formed in the positioning barrel, the driving piece is connected to the screw rod in the positioning barrel in a rotating mode, one end of the screw rod extends into the inner cavity of the second sleeve, the driving piece further comprises a sliding block in the sliding groove in a threaded connection mode, the sliding block is limited in the sliding groove, an arc-shaped protruding block is arranged on one side of the contact piece in the positioning barrel, and the sliding block can be abutted to the protruding block when sliding in the sliding groove.

Through adopting above-mentioned technical scheme, rotate the screw rod and make the sliding block slide in a location section of thick bamboo to the sliding block can be contradicted on arc-shaped convex block, thereby makes to support the contact and is propped open, supports the soil layer tightly in the road bed, makes the joint strength increase between second sleeve and the road bed.

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

1. the first connecting rod and the second connecting rod are connected together through the connecting sleeve, so that the overall structural strength of the foamed lightweight soil is improved, and the concave phenomenon is reduced;

2. the vertical rods penetrate through the connecting sleeves and connect the connecting sleeves on the vertical surfaces together, so that the overall strength of the reinforcing structure is further improved.

Drawings

Fig. 1 is a schematic structural view of the related art;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a schematic view of the attachment of a reinforcing structure in an embodiment of the present application;

FIG. 4 is a schematic view of a reinforcing structure;

fig. 5 is a schematic view of the internal structure of the positioning cylinder.

Description of reference numerals: 101. earthwork; 1. bridge table backs; 2. a roadbed; 3. foamed light soil; 4. a reinforcing structure; 41. a first sleeve; 42. a first link; 43. a second sleeve; 44. a second link; 45. a connecting sleeve; 5. perforating holes; 6. a vertical rod; 7. locking the nut; 8. a connecting ring; 9. tightly abutting against the bolt; 10. a positioning cylinder; 11. a contact piece is abutted; 12. a drive member; 121. a screw; 122. a slider; 13. a chute; 14. an arc-shaped bump; 15. and (6) backfilling the pit.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses bridge platform back foam light soil roadbed backfill structure. Referring to fig. 2 and 3, the backfill structure comprises a backfill pit 15 arranged between the bridge abutment back 1 and the roadbed 2, the backfill pit 15 is filled with the foam lightweight soil 3, and the backfill pit 13 is also provided with a reinforcing structure 4, so that the deformation resistance of the foam lightweight soil 3 is improved, and the concave condition of the surface of the foam lightweight soil 3 is reduced.

Referring to fig. 3 and 4, the reinforcing structure 4 includes a first sleeve 41 installed on a side of the bridge deck 1 facing the backfill pit 15, the first sleeve 41 is embedded in the bridge deck 1 when the bridge deck 1 is manufactured, the first sleeve 41 is provided in a plurality of polygonal structural distributions, in this embodiment, the distribution of the first sleeve 41 forms a regular hexagon structure, and the first sleeve 41 is located at the position of the corner of the hexagon. The first sleeve 41 is in threaded connection with a first connecting rod 42, and the length direction of the first connecting rod 42 is perpendicular to the surface of the bridge table back 1. The reinforcing structure 4 further comprises a second sleeve 43 mounted on the roadbed 2 on the side facing the bridge deck 1, wherein the second sleeve 43 and the first sleeve 41 are symmetrically distributed, so that the second sleeve 43 is also distributed in a regular hexagon. The second sleeve 43 is connected with a second connecting rod 44 in a threaded manner, and the first connecting rod 42 and the second connecting rod 44 are in one-to-one correspondence and are positioned on the same straight line. The connecting sleeve 45 for connecting the first connecting rod 42 and the second connecting rod 44 is further installed at the adjacent end of the first connecting rod 42 and the second connecting rod 44, and then the foamed lightweight soil 3 is poured, so that the deformation resistance of the foamed lightweight soil 3 can be improved under the action of the reinforcing structure 4, and the sinking of the foamed lightweight soil can be reduced.

Referring to fig. 4, the connecting sleeve 45 has a hollow structure, and the first link 42 and the second link 44 can be inserted into the connecting sleeve 45. During installation, the connecting sleeve 45 is sleeved on the outer wall of the first connecting rod 42, the first connecting rod 42 is connected to the first sleeve 41, the second connecting rod 44 is connected to the second sleeve 43, and then the connecting sleeve 45 is slid, so that the connecting sleeve 45 is wrapped on the outer walls of the first connecting rod 42 and the second connecting rod 44.

Referring to fig. 3 and 4, a through hole 5 is formed in the connecting sleeve 45, a vertical rod 6 penetrates through the connecting sleeve 45, and the vertical rod 6 can penetrate through the connecting sleeve 45. The reinforcing structure 4 is provided with a plurality of groups in the vertical direction, and the reinforcing structure 4 is provided with two groups in the embodiment. The side wall of the roadbed 2 is provided with a step structure, and a reinforcing structure 4 is correspondingly arranged on each step. The vertical rods 6 can simultaneously penetrate through the connecting sleeves 45 on the same vertical plane. When the vertical rod 6 passes through the connecting sleeve 45, the end of the first link 42 and the end of the second link 44 can abut against the side wall of the vertical rod 6, so that the connecting sleeve 45 cannot slide in the horizontal direction. The vertical rod 6 is further in threaded connection with a plurality of locking nuts 7, and the locking nuts 7 can abut against the upper surface and the lower surface of the connecting sleeve 45, so that the vertical rod 6 can be positioned.

Referring to fig. 4, in order to facilitate the vertical rod 6 to penetrate through the connecting sleeve 45, the end of the first connecting rod 42 close to the end of the second connecting rod 44 is set to be of a square structure, and the cavity in the connecting sleeve 45 is also of a square structure, so that the first connecting rod 42 and the second connecting rod 44 cannot rotate relatively after being inserted into the connecting sleeve 45, and the penetrating hole 5 can be kept in an upward state.

Referring to fig. 4, further, two connection rings 8 are further installed on the reinforcing structure 4, the first connection rod 42 simultaneously penetrates through one of the connection rings 8, the second connection rod 44 simultaneously penetrates through the other connection ring 8, and the acting force of the connection of the first connection rod 42 and the second connection rod 44 can be improved under the action of the connection rings 8, so that the reinforcing effect on the foamed light soil 3 is improved. The side wall of the connecting ring 8 is in threaded connection with a tightening bolt 9, and the tightening bolt 9 can be tightened against the side wall of the first connecting rod 42 or the second connecting rod 44, so that the connecting ring 8 is positioned.

Referring to fig. 4 and 5, since the roadbed 2 is a soil layer, the second sleeve 43 is easily pulled out when being mounted on the roadbed 2. A location section of thick bamboo 10 is fixed with to the axle on the second sleeve 43, and a location section of thick bamboo 10 is inside hollow structure, and contact 11 has been seted up to the lateral wall of a location section of thick bamboo 10, through set up the groove that link up the inside and outside both sides of a location section of thick bamboo 10 on the lateral wall of a location section of thick bamboo 10 to form contact 11, make contact 11 can be along the radial strutting of a location section of thick bamboo 10. The positioning barrel 10 is internally provided with a driving piece 12 for driving the abutting contact piece 11 to be expanded, so that the second sleeve 43 is inserted into the roadbed 2, and the anti-pulling capacity is better.

Referring to fig. 5, a sliding groove 13 having a square cross section is formed in the positioning cylinder 10. The driving member 12 includes a screw rod 121 rotatably connected to the inner cavity of the positioning cylinder 10, and one end of the screw rod 121 is rotatably connected to the inner end surface of the positioning cylinder 10 through a bearing. The length direction of the screw rod 121 is parallel to the axial direction of the positioning cylinder 10, one end of the screw rod 121 is positioned in the second sleeve 43, and a screwing head is fixed at the end, so that the screw rod 121 can be rotated by using a tool conveniently. The screw 121 is threadedly connected with a sliding block 122, and the sliding block 122 is adapted to the structure of the sliding slot 13, so that the sliding block 122 can slide in the sliding slot 13 when the screw 121 is rotated. The arc-shaped convex block 14 is fixed on one side of the contact piece 11 in the positioning cylinder 10, and the sliding block 122 can be abutted against the arc-shaped convex block 14 when sliding, so that the contact piece 11 is driven to be opened, and the acting force in the soil layer of the roadbed 2 is improved. The edges of the slider 122 may be rounded to facilitate driving the reciprocal projection 14. For ease of installation, the positioning cylinder 10 may be a half-split structure. One end of the second sleeve 43 close to the positioning cylinder 10 is set to be an arc-shaped structure, and the end of the positioning cylinder 10 is a pointed structure, so that the second sleeve 43 can be conveniently inserted into the roadbed 2.

The implementation principle of the bridge platform back foam light soil roadbed backfill structure provided by the embodiment of the application is as follows: first sleeve 41 is pre-buried on bridge platform back 1, first connecting rod 42 is connected in first sleeve 41, during second sleeve 43 pegged graft into road bed 2, second connecting rod 44 is connected on second sleeve 43, then link together first connecting rod 42 and second connecting rod 44 through connecting sleeve 45, the connecting sleeve 45 of same vertical plane is worn to establish simultaneously by montant 6 to fix a position montant 6 through lock nut 7, fill back the backfill hole with foam light soil 3 at last.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a structure is backfilled to bridge back of a platform foam light dirt road bed, includes the backfill hole of seting up between bridge back of a platform (1) and road bed (2), its characterized in that: foam light soil (3) is arranged in the backfill pit (15), a reinforcing structure (4) is also arranged in the backfill pit (15), the reinforcing structure (4) comprises a first sleeve (41) arranged on one side of the bridge platform back (1) facing the backfill pit (15), the first sleeves (41) are arranged in a plurality of regular polygons, the reinforcing structure (4) further comprises second sleeves (43) symmetrically arranged on one side of the roadbed (2) facing the bridge platform back (1), the reinforcing structure (4) comprises a first connecting rod (42) screwed onto the first sleeve (41), and a second connecting rod (44) screwed to the second sleeve (43), one end of the first connecting rod (42) close to one end of the second connecting rod (44) is provided with a connecting sleeve (45) which connects the first connecting rod (42) with the second connecting rod (44).

2. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 1, characterized in that: connecting sleeve (45) are inside hollow structure, first connecting rod (42) and second connecting rod (44) can be pegged graft in the both ends of connecting sleeve (45), additional strengthening (4) are provided with the multiunit along vertical direction, be equipped with on connecting sleeve (45) outer wall and wear to establish hole (5), be equipped with montant (6) that pass to establish hole (5) on connecting sleeve (45), montant (6) are vertical to wear to establish connecting sleeve (45) that are in on the same vertical plane.

3. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 2, characterized in that: the cross section of one end, close to the first connecting rod (42) and the second connecting rod (44), of the connecting sleeve is of a square structure, and the inner cavity of the connecting sleeve (45) is also of a square structure.

4. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 3, wherein the backfill structure comprises: the outer wall of the vertical rod (6) is connected with a plurality of locking nuts (7) in a threaded mode, and the locking nuts (7) can abut against the upper surface and the lower surface of the connecting sleeve (45).

5. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 4, wherein the backfill structure comprises: the outer walls of the first connecting rod (42) and the second connecting rod (44) are respectively sleeved with a connecting ring (8), the first connecting rod (42) and the second connecting rod (44) penetrate through the connecting ring (8), and the side wall of the connecting ring (8) is in threaded connection with a tightening bolt (9) used for positioning the connecting ring (8).

6. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 5, wherein the backfill structure comprises: one side of the roadbed (2) facing the bridge platform back (1) is set to be of a step type, and a group of reinforcing structures (4) are correspondingly arranged in the space of each step.

7. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 3, wherein the backfill structure comprises: be equipped with a location section of thick bamboo (10) of pegging graft into road bed (2) inside on second sleeve (43), a location section of thick bamboo (10) are inside hollow structure, be equipped with on the outer wall of a location section of thick bamboo (10) and support contact (11), support contact (11) and can strut along the radial direction of a location section of thick bamboo (10), be equipped with in a location section of thick bamboo (10) and be used for the drive to support driving piece (12) that contact (11) strut.

8. The bridge abutment foam lightweight soil roadbed backfill structure according to claim 7, wherein the backfill structure comprises: offer spout (13) that are square structure in a location section of thick bamboo (10), driving piece (12) are including rotating screw rod (121) of connecting in a location section of thick bamboo (10), the one end of screw rod (121) extends into second sleeve (43) inner chamber, driving piece (12) still include sliding block (122) of threaded connection in spout (13), sliding block (122) are spacing in spout (13), it is equipped with arc lug (14) to support contact piece (11) on one side in a location section of thick bamboo (10), sliding block (122) can contradict on the lug when sliding in spout (13).