CN210712524U

CN210712524U - Prefabricated combined steel construction overline bridge

Info

Publication number: CN210712524U
Application number: CN201921496661.2U
Authority: CN
Inventors: 李沅霖; 陈亚洲; 黄志诚
Original assignee: Guangdong Intercontinental Steel Structure Co Ltd
Current assignee: Guangdong Intercontinental Steel Structure Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-09
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a prefabricated combined steel construction overline bridge, including fixing the base plate in the road both sides, two the relative one end of base plate all is connected with the slope board that sets up that inclines upwards, two be connected with the decking that supplies the people to walk between the upslope board, the both ends of decking all are provided with the cab apron, the cab apron is kept away from the one end of decking with the upslope board is connected, the bottom surface of cab apron is vertical to be equipped with the pillar, the one end of pillar is connected in the bottom surface of cab apron, the other end is connected in ground, the bottom surface of cab apron is equipped with the retainer plate, the tip that the pillar kept away from ground is connected in the retainer plate in the joint, the retainer plate is worn to be equipped with a plurality of bolts along circumference, the bolt with pillar threaded connection; the utility model discloses have the effect that is connected of reinforcing decking and ground, improves the stability of decking.

Description

Prefabricated combined steel construction overline bridge

Technical Field

The utility model belongs to the technical field of overline bridge and specifically relates to a prefabricated combined steel construction overline bridge is related to.

Background

With the progress of society, vehicles on roads are increased, and the problem of traffic jam is more and more serious. The reasonable construction of the overpass is a good choice for solving the problem, and the overpass can be used for pedestrians to cross the road from the upper part of the road, so that the time for the vehicles to wait for the pedestrians to cross the road is reduced, the vehicles can pass quickly, and the pressure of traffic jam is relieved.

Chinese patent publication No. CN208055840U discloses a prefabricated combined steel-structured pedestrian overpass, which comprises base plates fixed on both sides of a road through fixing members, wherein opposite ends of the two base plates are both connected with upward-inclined slope plates, and a bridge deck for people to walk is detachably connected between the two slope plates; the overpass has the advantages that when the overpass is dismantled, the bridge deck is dismantled from the uphill plate, and then the base plate is dismantled from the ground, so that the whole overpass can be conveniently and quickly dismantled, and meanwhile, the overpass can be used for multiple times.

The above prior art solutions have the following drawbacks: the bridge deck plate is connected with the ground only through the upslope plate and the base plate, so that the pressure of the bridge deck plate is borne by the base plate, the fixing part of the base plate is easily damaged due to the fact that the base plate is stressed too heavily, the supporting capacity of the base plate for the bridge deck plate is reduced, and then the stability of the bridge deck plate is reduced, and dangers are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated combined steel construction overline bridge, its stability that can strengthen decking and ground improves the decking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prefabricated combined steel construction overline bridge, is including fixing the base plate in the road both sides, two the one end that the base plate is relative all is connected with the slope and upwards sets up the ramp plate, two be connected with the decking that supplies the people to walk between the ramp plate, the both ends of decking all are provided with the cab apron, cross the cab apron and keep away from the one end of decking with the ramp plate is connected, cross the vertical pillar that is equipped with in bottom surface of cab apron, the one end of pillar connect in cross the bottom surface of cab apron, the other end connect in ground, the bottom surface of crossing the cab apron is equipped with the retainer plate, the tip joint that the ground was kept away from to the pillar in the retainer plate, a plurality of bolts are worn to be equipped with along circumference to the retainer plate, the bolt with pillar threaded connection.

Through the technical scheme, the supporting columns are connected between the bridge deck and the ground, the supporting columns play a supporting role on the bridge deck, and meanwhile, the supporting columns share part of pressure from the bridge deck for the base plate, so that the damage condition of the base plate is reduced; the support column increases the connection strength between the bridge deck and the ground, and is beneficial to maintaining the relative position between the bridge deck and the ground, thereby improving the stability of the bridge deck; the tip joint of pillar is in the retainer plate to further consolidate through the bolt, make to cross detachable the connecting in pillar of cab apron, the cab apron is installed and is dismantled to the convenience on the pillar.

Further, two be connected with two mounting bars between the cab apron, two the mounting bar is located respectively the both sides limit of cab apron crosses, a plurality of bearing slots have been seted up along length direction to the mounting bar, the decking includes a plurality of backup pads, the both sides of backup pad are equipped with bellied cutting, the cutting wear to establish and the joint in the bearing slot, the side of backup pad with the mounting bar butt.

Through the technical scheme, the inserting strips are connected with the socket grooves in a clamping mode, so that the supporting plate is fixed between the two mounting strips, and the mounting and dismounting of the supporting plate are facilitated; the bridge deck is formed by the backup pad concatenation, and the transportation of being convenient for makes things convenient for the aggregate erection to the bridge deck simultaneously.

Furthermore, the cutting passes the part joint of holding the slot has joint spare, joint spare with the mounting bar is kept away from the side butt of backup pad.

Through above-mentioned technical scheme, cutting and joint spare joint for the cutting is difficult for breaking away from the socket slot, and joint spare and mounting bar butt, increases the area of contact of cutting and mounting bar, thereby increases the frictional force between cutting and the mounting bar, improves the stability of cutting at the socket slot.

Further, the both sides of crossing the cab apron have all been seted up the mounting groove, the mounting bar embedding the mounting groove, the screw is worn to be equipped with by the mounting bar, screw threaded connection in the tank bottom of mounting groove.

Through above-mentioned technical scheme, the mounting groove can restrict the removal of mounting bar on crossing the cab apron to further strengthen the fastness of mounting bar and mounting groove through the screw, improve the stability of mounting bar on crossing the cab apron, make the mounting bar detachable install in crossing the cab apron simultaneously.

Further, be connected with many strutbands between two the mounting bar, the both ends of strutbeam are connected respectively in two the mounting bar, the strutbeam with the bottom surface butt of backup pad.

Through above-mentioned technical scheme, the strutbeam provides the support for the backup pad between two mounting bars, strengthens being connected of backup pad and mounting bar, improves the stability of backup pad on the mounting bar.

Furthermore, the end face, far away from the ground, of the mounting bar is vertically provided with a guardrail.

Through above-mentioned technical scheme, the guardrail can prevent that the pedestrian from falling from the both sides of decking, protects pedestrian's safety.

Further, the guardrail include the horizontal pole and many with horizontal pole vertically montant, a plurality of fixed orificess have been seted up to the mounting bar, the montant inserts the fixed orifices, the screw rod is worn to be equipped with by the fixed orifices, screw rod threaded connection in the montant.

Through above-mentioned technical scheme, the montant inserts the fixed orifices to it is fixed through the screw rod, make the guardrail detachable connect in the mounting bar, make things convenient for the installation and the dismantlement of guardrail.

Furthermore, one end, far away from the transition plate, of the strut is connected with a steel bar, and the steel bar is poured below the ground through concrete.

Through above-mentioned technical scheme, utilize the reinforcing bar to fix the pillar on ground, improve the fixed effect of pillar.

The utility model has the advantages that:

1. the two ends of the bridge deck are connected with the ground through the support columns, the support columns play a supporting role for the bridge deck, the stability of the bridge deck is improved, and the support columns are detachably arranged on the bottom surface of the transition plate, so that the bridge deck is convenient to mount and dismount;

2. the bridge deck is formed by splicing supporting plates, the supporting plates are arranged on the mounting bars, and the supporting plates are convenient to transport, install and detach;

3. be connected with the strutbeam between the mounting bar, the strutbeam plays the supporting role to the backup pad, improves the stability of backup pad between the mounting bar.

Drawings

FIG. 1 is a schematic plan structure view of a prefabricated combined type steel structure overline bridge;

FIG. 2 is an exploded view of a mounting bar of the prefabricated combination type steel structure overline bridge;

FIG. 3 is an exploded view of a support plate of the prefabricated combination type steel structure overpass;

fig. 4 is a schematic perspective view of a corbel of the prefabricated combined type steel structure overline bridge.

In the figure: 1. a substrate; 11. an uphill plate; 2. a bridge deck; 21. a support plate; 22. cutting; 23. a clamping piece; 24. a card slot; 3. a transition plate; 31. mounting grooves; 32. a screw; 33. a stationary ring; 34. a bolt; 35. a pillar; 36. reinforcing steel bars; 4. mounting a bar; 41. a socket slot; 42. a fixing hole; 43. supporting a beam; 44. a screw; 5. a guardrail; 51. a cross bar; 52. a vertical rod; 53. a screw; 6. and (4) the ground.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the embodiment, as shown in fig. 1 and 2, for the utility model discloses a prefabricated combined steel structure overline bridge, including base plate 1, uphill plate 11, pillar 35 and decking 2, base plate 1 fixes on the road both sides, and uphill plate 11 is fixed in two relative one ends of base plate 1, and uphill plate 11 tilt up sets up, and decking 2 connects between two uphill plates 11, and decking 2 can supply the people to walk, and pillar 35 sets up on the ground 6 at decking 2 both ends.

As shown in fig. 1 and 2, a steel bar 36 is fixed at one end of the support pillar 35, when the support pillar 35 is installed, a pit is dug on the ground 6, the steel bar 36 is inserted into the pit, and then concrete is poured into the pit, so that the steel bar 36 is fixed below the ground 6, the support pillar 35 is fixed on the ground 6, and the stability of the support pillar 35 is improved; the transition plates 3 are fixed at both ends of the bridge deck 2, and one ends of the transition plates 3 far away from the bridge deck 2 are fixed with the uphill plate 11; a fixing ring 33 is fixed on the bottom surface of the transition plate 3, the fixing ring 33 is matched with the end part of the pillar 35 far away from the ground 6, the end part of the pillar 35 far away from the ground 6 is clamped in the fixing ring 33, a plurality of bolts 34 penetrate through the fixing ring 33 along the circumferential direction, and the bolts 34 are in threaded connection with the pillar 35; the struts 35 support the transition plate 3, thereby supporting the bridge deck 2 and improving the stability of the bridge deck 2.

Two are connected with two mounting bars 4 between the cab apron 3, cross the both sides limit of cab apron 3 and all seted up mounting groove 31, in the corresponding mounting groove 31 of both ends difference embedding of mounting bar 4, screw 32 is worn to be equipped with by mounting bar 4, screw 32 threaded connection in the tank bottom of mounting groove 31 to further fix mounting bar 4 on crossing cab apron 3, improve the stability of mounting bar 4 on crossing cab apron 3.

The end face, far away from the ground 6, of the mounting bar 4 is connected with a guardrail 5, the guardrail 5 is perpendicular to the mounting bar 4, the guardrail 5 comprises a cross rod 51 and a plurality of vertical rods 52, and the vertical rods 52 are perpendicularly fixed on the cross rod 51; a plurality of fixed orificess 42 have been seted up along length direction to mounting bar 4, and corresponding fixed orifices 42 is inserted to the one end that horizontal pole 51 was kept away from to montant 52, and screw rod 44 is worn to be equipped with by mounting bar 4, and screw rod 44 threaded connection makes montant 52 fix in fixed orifices 42 in montant 52, and then fixes guardrail 5 on mounting bar 4.

As shown in fig. 2 and 3, the bridge deck 2 includes a plurality of supporting plates 21, wherein the supporting plates 21 are fixed with inserts 22 at both sides thereof, the inserts 22 are disposed along the length extension direction of the supporting plates 21, and the cross-sectional dimension of the inserts 22 is smaller than the cross-sectional dimension of the side surfaces of the supporting plates 21; the mounting bars 4 are provided with a plurality of socket grooves 41 along the length direction, the inserting bars 22 penetrate through and are clamped in the socket grooves 41, the side surfaces of the supporting plates 21 are abutted against the mounting bars 4, so that the supporting plates 21 are fixed between the two mounting bars 4, the mounting and dismounting of the supporting plates 21 are convenient, and meanwhile, the bridge deck 2 is formed by splicing the supporting plates 21 and is convenient to transport; the part of the inserting strip 22 penetrating through the socket 41 is connected with a clamping piece 23, the side surface of the clamping piece 23 is provided with a clamping groove 24, and the inserting strip 22 is clamped in the clamping groove 24, so that the inserting strip 22 is not easy to separate from the socket 41; the side that the draw-in groove was seted up to joint 23 and the side butt of backup pad 21 to the area of contact of increase cutting 22 and mounting bar 4, and then the frictional force between increase cutting 22 and the mounting bar 4 improves the stability of cutting 22 in socket groove 41.

As shown in fig. 3 and 4, a plurality of support beams 43 are connected between two mounting bars 4, two ends of each support beam 43 are respectively fixed on opposite side surfaces of the two mounting bars 4, screws 53 penetrate through the mounting bars 4, the screws 53 are in threaded connection with the support beams 43, the support beams 43 are perpendicular to the mounting bars 4, and the support beams 43 are uniformly distributed at intervals and are arranged in parallel; the supporting beam 43 is abutted against the bottom surface of the supporting plate 21, and a part of the supporting beam 43 is positioned in the middle of the supporting plate 21 and plays a supporting role for the supporting plate 21; the other part of the support beam 43 is positioned below the gap between the two support plates 21, which can enhance the strength between the two support plates 21, thereby improving the stability of the support plates 21 on the mounting bar 4.

The implementation principle of the embodiment is as follows:

inserting the steel bars 36 into pre-dug pits in the ground 6, pouring concrete into the pits, and fixing the support columns 35 on the ground 6; clamping the fixing ring 33 of the transition plate 3 with one end of the pillar 35 far away from the ground 6, and fixing the fixing ring 33 on the pillar 35 through a bolt 34; clamping the insert strip 22 of the support plate 21 in the socket groove 41 of the mounting strip 4, clamping the clamping piece 23 with the insert strip 22, fixing the support plate 21 between the two mounting strips 4 and splicing to form the bridge deck 2, and then fixing the support beam 43 between the two mounting strips 4 through the screw 53; embedding a mounting bar 4 into the mounting groove 31 of the transition plate 3, and fixing the mounting bar 4 through a screw 32; and (3) inserting the vertical rod 52 of the guardrail 5 into the fixing hole 42 of the mounting strip 4, and fixing the vertical rod 52 through the screw 44 to complete the mounting of the prefabricated combined steel structure overpass.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a prefabricated combined steel construction overline bridge, is including fixing base plate (1) in the road both sides, two the one end that base plate (1) is relative all is connected with slope board (11) that upwards set up, two be connected with decking (2) that supply the people to walk between slope board (11), its characterized in that: both ends of decking (2) all are provided with cab apron (3), it keeps away from to cross cab apron (3) the one end of decking (2) with ramp plate (11) are connected, the bottom surface of crossing cab apron (3) is vertical to be equipped with pillar (35), the one end of pillar (35) connect in the bottom surface of crossing cab apron (3), the other end connect in ground (6), the bottom surface of crossing cab apron (3) is equipped with retainer plate (33), the tip joint that ground (6) were kept away from in pillar (35) in retainer plate (33), a plurality of bolts (34) are worn to be equipped with along circumference in retainer plate (33), bolt (34) with pillar (35) threaded connection.

2. The prefabricated combined type steel structure overpass of claim 1, wherein: two it is connected with two mounting bars (4), two to cross between cab apron (3) mounting bar (4) are located respectively the both sides limit of crossing cab apron (3), a plurality of bearing slot (41) have been seted up along length direction in mounting bar (4), decking (2) are including a plurality of backup pads (21), the both sides of backup pad (21) are equipped with bellied cutting (22) along length direction, cutting (22) wear to establish and the joint in bearing slot (41), the side of backup pad (21) with mounting bar (4) butt.

3. The prefabricated combined type steel structure overpass of claim 2, wherein: the cutting (22) passes the part joint of holding slot (41) has joint spare (23), joint spare (23) with mounting bar (4) are kept away from the side butt of backup pad (21).

4. The prefabricated combined type steel structure overpass of claim 2, wherein: mounting groove (31) have all been seted up to the both sides of crossing cab apron (3), mounting bar (4) embedding mounting groove (31), screw (32) are worn to be equipped with in mounting bar (4), screw (32) threaded connection in the tank bottom of mounting groove (31).

5. The prefabricated combined type steel structure overpass of claim 2, wherein: two be connected with many strutbeam (43) between installing strip (4), the both ends of strutbeam (43) are connected respectively in two installing strip (4), strutbeam (43) with the bottom surface butt of backup pad (21).

6. The prefabricated combined type steel structure overpass of claim 2, wherein: the end face, far away from the ground (6), of the mounting bar (4) is vertically provided with a guardrail (5).

7. The prefabricated combined type steel structure overpass of claim 6, wherein: guardrail (5) including horizontal pole (51) and many with horizontal pole (51) vertically montant (52), a plurality of fixed orificess (42) have been seted up in mounting bar (4), montant (52) insert fixed orifices (42), screw rod (44) are worn to be equipped with in fixed orifices (42), screw rod (44) threaded connection in montant (52).

8. The prefabricated combined type steel structure overpass of claim 1, wherein: one end, far away from the transition plate (3), of the strut (35) is connected with a steel bar (36), and the steel bar (36) is poured below the ground (6) through concrete.