CN210561788U - Local ecological demolition structure for urban bridge - Google Patents

Local ecological demolition structure for urban bridge Download PDF

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Publication number
CN210561788U
CN210561788U CN201921164928.8U CN201921164928U CN210561788U CN 210561788 U CN210561788 U CN 210561788U CN 201921164928 U CN201921164928 U CN 201921164928U CN 210561788 U CN210561788 U CN 210561788U
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China
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plate
hoop
pier
bearing
supporting
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CN201921164928.8U
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陈明洋
胡先宽
魏世军
豆德存
张秀灵
胡五一
荣海生
王清峰
纪雷
程林峰
王体涛
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Anhui Gourgen Traffic Construction Co Ltd
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Anhui Gourgen Traffic Construction Co Ltd
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Abstract

The utility model relates to a local ecological demolition structure of an urban bridge, which comprises a beam bottom pier stud, a pier top capping beam, a beam top plate, an upper bearing hoop, a lower bearing hoop, a first bottom brace rod, a second bottom brace rod, a sewage collecting box and a cutting guide plate; an upper bearing hoop and a lower bearing hoop are arranged on the pier column at the bottom of the beam, first bottom support rods on the outer sides of the upper bearing hoop and the lower bearing hoop are connected with the pier-side bearing plate, and the rod end bearing plate is connected with a plate bottom limiting tenon on the lower surface of the pier-side bearing plate; a top support supporting body is arranged between the adjacent beam bottom pier columns, and the top end of the top support supporting body is connected with a plate bottom boot cap on the lower surface of the column top bearing plate; and a second bottom support rod is arranged between the top support supporting body and the column top bearing plate. The utility model has the advantages that: the utility model discloses a hoop is born to the upper strata and hoop is born to the lower floor and provides the support to mound side loading board, can effectively promote the joint strength of mound side loading board and breast pier column, improves the bearing performance of mound side loading board.

Description

Local ecological demolition structure for urban bridge
Technical Field
The utility model relates to a can reduce bridge beam slab post and demolish the construction degree of difficulty, improve the support system and prop up and establish efficiency, improve the local ecology of city bridge of construction structure atress, protection construction environment and demolish the structure, belong to the bridge engineering field, be applicable to the local construction engineering of demolising of city bridge.
Background
In order to improve the traffic capacity of urban roads, improve the safety state of bridges and optimize the layout of urban road networks, some bridges are usually dismantled. Because the urban bridge is often positioned in a traffic trunk line, wherein vehicles and pedestrians are dense, in the dismantling process, how to improve the dismantling efficiency, reduce the influence of construction on the surrounding environment and improve the safety of dismantling a construction device is always a difficult point in the control of the dismantling construction of the urban bridge.
In the prior art, a construction method for dismantling an existing bridge is provided, which is characterized by comprising the steps of dividing a cutting line, arranging a hoisting hole and installing a hoisting rib, cutting the existing bridge by adopting a diamond cutting rope to obtain a plurality of cutting work blocks, and hoisting the cutting work blocks to a preset place by using a hoisting vehicle. The construction method reduces noise and raised dust in bridge demolition construction to a certain extent, but the technology usually needs to be provided with full-space supports, the laying construction efficiency of a support system is low, and the influence on traffic of surrounding roads is large; meanwhile, for the adjacent water bridge demolition construction working condition, the engineering problems that a support system is difficult to arrange, a pier stud isolation demolition working face is difficult to arrange and the like exist, and urgent needs to be solved.
In view of this, the local ecological demolition structure for the urban bridge, which can reduce the demolition construction difficulty of the bridge beam slab column, improve the support system erection efficiency, improve the stress of the construction structure and protect the construction environment, is urgently needed to be invented.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, provide one kind can reduce bridge beam slab post and demolish the construction degree of difficulty, improve the support system and prop up and establish efficiency, improve the local ecology of urban bridge of construction structure atress, protection construction environment and demolish the structure.
The local ecological demolition structure for the urban bridge comprises a beam bottom pier stud, a pier top cover beam, a beam top plate, an upper bearing hoop, a lower bearing hoop, a first bottom support rod, a second bottom support rod, a jacking control body, an auxiliary support pier, a beam bottom hoop, a beam hoop connecting rod, a top plate support beam, an integral connecting plate, a hanging collecting tank, a sewage collecting tank and a cutting guide plate;
an upper bearing hoop and a lower bearing hoop are arranged on the pier column at the bottom of the beam, first bottom support rods on the outer sides of the upper bearing hoop and the lower bearing hoop are connected with the pier-side bearing plate, and the rod end bearing plate is connected with a plate bottom limiting tenon on the lower surface of the pier-side bearing plate; a top support supporting body is arranged between the adjacent beam bottom pier columns, and the top end of the top support supporting body is connected with a plate bottom boot cap on the lower surface of the column top bearing plate; a second bottom support rod is arranged between the top support supporting body and the column top bearing plate; jacking control bodies and auxiliary supporting piers are uniformly distributed on the pier side bearing plate and the column top bearing plate;
the lower part of the pier top cover beam is provided with a beam bottom hoop, and the beam bottom hoop and the pier top cover beam are firmly connected through a beam hoop connecting rod; a top plate supporting beam is arranged between the beam bottom hoops opposite to the mirror images, and the beam bottom hoops are connected with a beam end connecting plate at the end part of the top plate supporting beam through a connecting and fastening bolt; the lower surface of the connecting part of the top plate supporting beam opposite to the mirror image is provided with a supporting beam reinforcing plate, the upper surface of the connecting part is provided with a position control body baffle plate, the supporting beam reinforcing plate and the top plate supporting beam are firmly connected through a supporting beam fastening hoop, and a supporting beam position control body is arranged between the position control body baffle plates opposite to the mirror image; a longitudinal beam limiting groove, a supporting longitudinal beam and a connecting cap plate are sequentially arranged between the top plate supporting beam and the beam top plate from bottom to top;
the beam top plate is provided with a strut bottom plate, and the strut bottom plate is connected with an integral connecting plate on the lower surface of the pier top cover beam through a bottom plate fastening bolt; the water storage tank body and the suspension strut are arranged on the strut bottom plate, the top end of the suspension strut is vertically connected with the suspension supporting beam, and the water storage tank body is communicated with the water spraying connecting pipe; a suspension stay cable is arranged between the suspension bracing beam and the pier top cover beam, and a beam bottom inclined strut is arranged between the suspension bracing beam and the suspension strut; a hanging collecting tank is arranged on the hanging support beam close to the beam top plate and the dismantling side of the pier top cover beam, and a sewage collecting tank is arranged at the lower part of the hanging collecting tank; the cutting guide plate is arranged on the beam top plate, the rope saw moving wheel at the lower part of the saw blade motor is embedded into the rope saw sliding groove, and the saw blade motor is connected with the cutting saw blade.
Preferably, the method comprises the following steps: the first bottom support rods are arranged on the outer side walls of the upper bearing hoop and the lower bearing hoop in the circumferential direction, and 2-4 bottom support rods are arranged on the outer side walls of the upper bearing hoop and the lower bearing hoop.
Preferably, the method comprises the following steps: the jacking control body adopts a hydraulic jack; the height of the auxiliary support pier is fixed and is formed by rolling steel plates or section steel or steel pipes.
Preferably, the method comprises the following steps: the first bottom brace rod and the second bottom brace rod are respectively composed of a first adjusting rod, a brace rod adjusting bolt, a second adjusting rod and a rod end bearing pressure plate; one end of the first adjusting rod and one end of the second adjusting rod are connected with the stay bar adjusting bolt through screws, and the other end of the first adjusting rod and the second adjusting rod are provided with rod end rotating hinges; the screw fastening directions of the first adjusting rod and the second adjusting rod are opposite.
Preferably, the method comprises the following steps: the cross section of the beam bottom hoop is U-shaped, and the net width of the beam bottom hoop is the same as the bottom width of the pier top cover beam; the beam hoop connecting rod transversely penetrates through the pier top cover beam and is fastened through a bolt.
Preferably, the method comprises the following steps: the roof bracing beam is formed by rolling profile steel or steel plates, and a bracing beam position adjusting hinge is arranged between the end part of the roof bracing beam and the beam end connecting plate.
Preferably, the method comprises the following steps: the integral connecting plate is laid along the lower surface of the pier top cover beam, and 2-6 fastening bolt through holes are formed in the integral connecting plate; the plane of the fastening bolt passing through the hole is rectangular or elliptical.
Preferably, the method comprises the following steps: the suspended collecting tank is formed by rolling a steel plate, the suspended collecting tank is vertically welded with the suspended supporting beam, and a closed connecting body and a closed vertical plate are arranged between the suspended collecting tank and the closed bottom plate on the lower surface of the pier top cover beam; the sewage collecting box is formed by rolling a steel plate or an alloy plate, and the inner side wall of the sewage collecting box is provided with a built-in filter plate.
Preferably, the method comprises the following steps: and the upper surface of the cutting guide plate is provided with a rope saw sliding groove.
Preferably, the method comprises the following steps: the upper bearing hoop and the lower bearing hoop mainly comprise hoop plates and hoop inner airtight layers, the joint of the two connected hoop plates is provided with a hoop plate rotating hinge and a hoop ear plate, and the hoop ear plates are connected through hoop fastening bolts.
The utility model has the advantages that:
(1) the utility model provides a support for the pier side bearing plate through the upper bearing hoop and the lower bearing hoop, which can effectively improve the connection strength between the pier side bearing plate and the beam bottom pier column and improve the bearing performance of the pier side bearing plate; meanwhile, the utility model is provided with the plate bottom boot cap and the second bottom brace rod between the top brace support body and the column top bearing plate, which can effectively improve the bearing capacity of the column top bearing plate; additionally, the utility model discloses set up the jacking control body between mound top bent cap and mound side loading board and capital loading board, can adjust the atress of mound top bent cap as required.
(2) The utility model is provided with beam bottom hoops at the lower part of the pier top cover beam, and a top plate supporting beam is arranged between the opposite beam bottom hoops, and a supporting beam control body and a supporting beam reinforcing plate are arranged at the joint of the top plate supporting beam, thus meeting the temporary supporting requirement of the beam top plate; and simultaneously, the utility model discloses set up the bracing beam position adjusting hinge between the beam-ends connecting plate in the roof bracing beam and the breast hoop outside, can avoid the roof bracing beam tip hogging moment to appear, improve the atress performance of roof bracing beam.
(3) The utility model is provided with a hanging collecting tank and a sewage collecting tank below the dismantling part of the beam top plate and the pier top cover beam, which can synchronously recover the residue and sewage during the dismantling construction of the beam top plate and the pier top cover beam; and simultaneously, the utility model discloses a rope saw sliding groove control saw bit motor's of cutting deflector upper surface position has reduced the degree of difficulty of cutting construction direction.
Drawings
FIG. 1 is a schematic structural view of the beam bottom support system of the present invention;
FIG. 2 is a schematic structural view of the first and second bottom struts of FIG. 1;
FIG. 3 is a schematic diagram of the plate bottom support architecture of the present invention;
FIG. 4 is a schematic view of a beam top plate and pier top cover beam removal configuration;
FIG. 5 is a schematic view of the integral tie plate construction of FIG. 4;
figure 6 is a schematic view of the upper and lower layer load-bearing cuffs of figure 1.
Description of reference numerals: 1-pier column at the bottom of the beam; 2-pier top capping beam; 3-beam top plate; 4-upper layer load-bearing hoop; 5-lower layer load-bearing hoop; 6-a first bottom brace bar; 7-pier side bearing plate; 8-a rod end bearing plate; 9-limiting falcon at the bottom of the plate; 10-a shoring support; 11-a column top bearing plate; 12-plate bottom boot cap; 13-a second bottom brace bar; 14-jacking a control body; 15-auxiliary support piers; 16-a beam bottom ferrule; 17-beam hoop connecting rods; 18-roof bracing; 19-beam end connection plate; 20-connecting the fastening bolt; 21-beam reinforcement plate; 22-position control body baffle; 23-brace beam fastening hoops; 24-supporting beam control body; 25-longitudinal beam limiting grooves; 26-support stringers; 27-connecting a cap plate; 28-pillar base plate; 29-integral tie-plates; 30-bottom plate fastening bolt; 31-a water storage tank body; 32-a suspension strut; 33-hanging a supporting beam; 34-hanging a guy cable; 35-beam bottom bracing; 36-hanging a collection trough; 37-a sewage collection box; 38-cutting the guide plate; 39-saw blade motor; 40-rope saw moving wheel; 41-rope saw sliding groove; 42-a cutting saw blade; 43-anchor ear fastening bolt; 44-a first adjustment lever; 45-stay bar adjusting bolt; 46-a second adjustment bar; 47-hoop ear plates; 48-a rod end rotating hinge; 49-bracing beam position adjusting hinge; 50-the fastening bolt passes through the hole; 51-a closed bottom plate; 52-a closed connector; 53-sealing the vertical plate; 54-built-in filter plate; 55-hoop plate; 56-hoop inner containment layer; 57-rotating hinge of hoop plate; 58-Water spray connection pipe.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Referring to fig. 1 to 6, the local ecological demolition structure for urban bridges comprises a beam bottom support system structure, a plate bottom support system structure, a beam top plate and a pier top cover beam demolition structure.
In the beam bottom support system structure, an upper layer bearing hoop 4 and a lower layer bearing hoop 5 are arranged on a beam bottom pier column 1, a first bottom support rod 6 at the outer sides of the upper layer bearing hoop 4 and the lower layer bearing hoop 5 is connected with a pier side bearing plate 7, and a rod end bearing plate 8 is connected with a plate bottom limiting tenon 9 at the lower surface of the pier side bearing plate 7; arranging a top support supporting body 10 between adjacent beam-bottom pier columns 1, and enabling the top end of the top support supporting body 10 to be connected with a plate-bottom boot cap 12 on the lower surface of a column-top bearing plate 11; a second bottom brace 13 is arranged between the top brace supporting body 10 and the column top bearing plate 11; jacking control bodies 14 and auxiliary supporting piers 15 are uniformly arranged on the pier side bearing plate 7 and the column top bearing plate 11.
In the slab bottom support system structure, a beam bottom hoop 16 is arranged at the lower part of the pier top cover beam 2, and the beam bottom hoop 16 is firmly connected with the pier top cover beam 2 through a beam hoop connecting rod 17; a top plate supporting beam 18 is arranged between the beam bottom hoops 16 which are opposite in a mirror image manner, and the beam bottom hoops 16 are connected with a beam end connecting plate 19 at the end part of the top plate supporting beam 18 through a connecting and fastening bolt 20; a supporting beam reinforcing plate 21 is arranged on the lower surface of the connecting part of the top plate supporting beam 18 opposite to the mirror image, a position control body baffle 22 is arranged on the upper surface, the supporting beam reinforcing plate 21 and the top plate supporting beam 18 are firmly connected through a supporting beam fastening hoop 23, and a supporting beam position control body 24 is arranged between the position control body baffles 22 opposite to the mirror image; a longitudinal beam limiting groove 25, a supporting longitudinal beam 26 and a connecting cap plate 27 are sequentially arranged between the top plate supporting beam 18 and the beam top plate 3 from bottom to top.
The beam top plate and pier top cover beam dismantling structure is characterized in that a strut bottom plate 28 is arranged on the beam top plate 3, and the strut bottom plate 28 is connected with an integral connecting plate 29 on the lower surface of the pier top cover beam 2 through a bottom plate fastening bolt 30; the water storage tank body 31 and the suspension strut 32 are arranged on the strut bottom plate 28, the top end of the suspension strut 32 is vertically connected with the suspension support beam 33, and the water storage tank body 31 is communicated with the water spraying connecting pipe 58; a suspension cable 34 is arranged between the suspension bracing beam 33 and the pier top cover beam 2, and a beam bottom inclined strut 35 is arranged between the suspension bracing beam 33 and the suspension strut 32; a hanging collecting tank 36 is arranged on the hanging support beam 33 close to the dismantling side of the beam top plate 3 and the pier top cover beam 2, and a sewage collecting tank 37 is arranged at the lower part of the hanging collecting tank 36; the beam top plate 3 is provided with a cutting guide plate 38, a rope saw moving wheel 40 at the lower part of a saw blade motor 39 is embedded into a rope saw sliding groove 41, the saw blade motor 39 is connected with a cutting saw blade 42, the beam top plate 3 at the upper part of the pier top cover beam 2 is firstly detached by adopting the cutting saw blade 42, and then the pier top cover beam 2 is detached.
The beam bottom pier column 1, the pier top cover beam 2 and the beam top plate 3 are all formed by pouring concrete materials, and the concrete strength grade is C50.
The upper layer bearing hoop 4 and the lower layer bearing hoop 5 are both composed of a hoop plate 55 and a hoop inner sealing layer 56. The hoop plate 55 is formed by rolling a steel plate with the thickness of 10mm, and the hoop inner sealing layer 56 is a rubber plate with the thickness of 10 mm; the hoop plate rotating hinge 57 adopts a rotating shaft with the diameter of 20 mm; the hoop ear plate 47 and the hoop plate 55 are integrally rolled, and the width is 10 cm. The hoop fastening bolt 43 is a high-strength bolt with a diameter of 20 mm.
The first bottom support rod 6 and the second bottom support rod 13 are respectively composed of a first adjusting rod 44, a support rod adjusting bolt 45, a second adjusting rod 46 and a rod end bearing plate 8; the diameters of the first adjusting rod 44 and the second adjusting rod 46 are both 30mm, and the fastening directions are opposite; the inner diameter of the stay bar adjusting bolt 45 is matched with the first adjusting rod 44 and the second adjusting rod 46; the rod end bearing plate 8 is formed by rolling a steel plate with the thickness of 10mm, and the plane size is 8cm multiplied by 8 cm.
The pier-side bearing plate 7 is formed by rolling a steel plate with the thickness of 20mm, the width of the pier-side bearing plate is 2m, and the length of the pier-side bearing plate is 3 cm.
Spacing falcon 9 at bottom of the board adopts the steel sheet rolling that thickness is 10mm to form, and the width is 6cm, length is 20cm, and is connected with the perpendicular welded connection of mound side loading board 7.
The top bracing support body 10 is formed by cutting a steel pipe with the diameter of 100mm and the wall thickness of 2 mm.
The column top bearing plate 11 is formed by cutting a steel plate with the thickness of 20mm, and has the width of 2m and the length of 2 m.
The plate bottom boot cap 12 is formed by rolling a steel plate with the thickness of 10mm, the cross section of the plate bottom boot cap is in a circular ring shape, and the inner diameter of the plate bottom boot cap is the same as that of the top bracing support body 10.
The jacking control body 14 adopts a hydraulic jack of 100 t.
The auxiliary support pier 15 is formed by rolling a steel section having a gauge of 400 × 400 × 13 × 21.
The beam bottom hoop 16 is U-shaped in cross section and is formed by rolling a steel plate with the thickness of 5 mm.
The beam hoop connecting rod 17 is formed by rolling a screw rod with the diameter of 30mm, penetrates through the pier top cover beam 2 and the beam bottom hoop 16 and is fastened through bolts.
The roof bracing beam 18 is made of H-shaped steel with a specification of 300 × 300 × 10 × 15.
The beam-end connecting plate 19 is formed by rolling a steel plate with the thickness of 10mm, and the plane size is 50cm multiplied by 50 cm.
The connecting and fastening bolt 20 is composed of a high-strength screw rod with the diameter of 30mm and a bolt.
The bracing beam reinforcing plate 21 is a steel plate with the thickness of 20mm, the width of the steel plate is 30cm, and the length of the steel plate is 2 cm.
The control body baffle 22 is formed by rolling a steel plate with the thickness of 10mm, has the width of 30cm, and is connected with the top plate supporting beam 18 in a welding mode.
The brace beam fastening hoop 23 is rolled from a steel plate with a thickness of 10mm and a width of 10 cm.
The supporting beam control body 24 is formed by combining bolts and screws with the diameter of 30mm, and the fastening directions of the screws on the two sides of each bolt are opposite.
The longitudinal beam limiting groove 25 and the connecting cap plate 27 are both formed by rolling steel plates with the thickness of 10mm, and the groove width is 200 mm.
The support longitudinal beam 26 is made of H-shaped steel with the specification of 450 multiplied by 200 multiplied by 9 multiplied by 14.
The pillar base plate 28 is rolled from a steel plate having a thickness of 2mm, and has a width of 1.5m and a length of 2 m.
The integral connecting plate 29 is formed by rolling a steel plate with the thickness of 10mm, the width of the integral connecting plate is 20cm, and the length of the integral connecting plate is 2 m; the fastening pins on the integral tie plate 29 pass through the holes 50 with a width of 40mm and a length of 100 mm.
The bottom plate fastening bolt 30 is composed of a screw rod and a bolt with the diameter of 30 mm.
The water storage tank body 31 is formed by rolling an iron sheet with the thickness of 0.2 mm.
The suspension strut 32 is made of an H-shaped steel material having a specification of 300 × 300 × 10 × 15.
The suspension brace 33 is made of H-shaped steel with a specification of 200 × 200 × 8 × 12.
The suspension cable 34 is a wire rope with a diameter of 20 mm.
The beam bottom inclined strut 35 is formed by cutting a steel pipe with the diameter of 60 mm.
The hanging collecting tank 36 is formed by rolling a steel plate with the thickness of 1mm, and the top of the hanging collecting tank is vertically welded and connected with the hanging support beam 33.
The sewage collecting tank 37 is formed by rolling a steel plate with the thickness of 0.2mm, is connected with the hanging collecting tank 36 through bolts, and is internally provided with a built-in filter plate 54 made of a plastic plate in the sewage collecting tank 37. The maximum aperture of the built-in filter plate 54 is 2mm, the length of the hole is 2cm, and the built-in filter plate is rolled by a steel plate with the thickness of 1 mm.
The cutting guide plate 38 is formed by rolling a steel plate with the thickness of 10mm, and two rows of rope saw sliding grooves 41 with the width of 50mm and the depth of 20mm are arranged on the cutting guide plate.
The blade motor 39 and the cutting blade 42 employ a diamond chain cutter.
The wire saw moving wheel 40 is a steel roller with a width of 40 mm.
The rod end rotating hinge 48 adopts a spherical hinge with the diameter of 30mm
The position adjusting hinge 49 of the supporting beam adopts a directional rotating hinge with the diameter of 100 mm.
The sealing bottom plate 51 is a rubber plate having a thickness of 5 mm.
The airtight connector 52 employs a compression spring having a diameter of 10 mm. The sealed vertical plate 53 adopts a geomembrane with the thickness of 2 mm. The water spray connecting pipe 58 is a steel pipe having a diameter of 30 mm.

Claims (10)

1. The local ecology of urban bridge demolishs structure, its characterized in that: the device comprises a beam bottom pier column (1), a pier top cover beam (2), a beam top plate (3), an upper layer bearing hoop (4), a lower layer bearing hoop (5), a first bottom support rod (6), a second bottom support rod (13), a jacking control body (14), an auxiliary support pier (15), a beam bottom hoop (16), a beam hoop connecting rod (17), a top plate support beam (18), an integral connecting plate (29), a hanging collecting tank (36), a sewage collecting tank (37) and a cutting guide plate (38);
an upper layer bearing hoop (4) and a lower layer bearing hoop (5) are arranged on the beam bottom pier column (1), a first bottom support rod (6) on the outer sides of the upper layer bearing hoop (4) and the lower layer bearing hoop (5) is connected with the pier side bearing plate (7), and a rod end bearing plate (8) is connected with a plate bottom limiting tenon (9) on the lower surface of the pier side bearing plate (7); a top support supporting body (10) is arranged between adjacent beam-bottom pier columns (1), and the top end of the top support supporting body (10) is connected with a plate-bottom boot cap (12) on the lower surface of a column-top bearing plate (11); a second bottom brace (13) is arranged between the top brace supporting body (10) and the column top bearing plate (11); jacking control bodies (14) and auxiliary support piers (15) are uniformly distributed on the pier side bearing plate (7) and the column top bearing plate (11);
a beam bottom hoop (16) is arranged at the lower part of the pier top cover beam (2), and the beam bottom hoop (16) is firmly connected with the pier top cover beam (2) through a beam hoop connecting rod (17); a top plate supporting beam (18) is arranged between the beam bottom hoops (16) which are opposite in mirror image, and the beam bottom hoops (16) are connected with a beam end connecting plate (19) at the end part of the top plate supporting beam (18) through connecting and fastening bolts (20); the lower surface of the connecting part of the roof supporting beams (18) opposite to the mirror images is provided with supporting beam reinforcing plates (21), the upper surface is provided with a position control body baffle (22), the supporting beam reinforcing plates (21) and the roof supporting beams (18) are firmly connected through supporting beam fastening hoops (23), and a supporting beam position control body (24) is arranged between the position control body baffles (22) opposite to the mirror images; a longitudinal beam limiting groove (25), a supporting longitudinal beam (26) and a connecting cap plate (27) are sequentially arranged between the top plate supporting beam (18) and the beam top plate (3) from bottom to top;
a pillar bottom plate (28) is arranged on the beam top plate (3), and the pillar bottom plate (28) is connected with an integral connecting plate (29) on the lower surface of the pier top cover beam (2) through a bottom plate fastening bolt (30); the water storage tank body (31) and the suspension strut (32) are arranged on the strut bottom plate (28), the top end of the suspension strut (32) is vertically connected with the suspension supporting beam (33), and the water storage tank body (31) is communicated with the water spraying connecting pipe (58); a suspension cable (34) is arranged between the suspension support beam (33) and the pier top cover beam (2), and a beam bottom inclined strut (35) is arranged between the suspension support beam (33) and the suspension strut (32); a hanging collecting tank (36) is arranged on the hanging support beam (33) close to the dismantling side of the beam top plate (3) and the pier top cover beam (2), and a sewage collecting tank (37) is arranged at the lower part of the hanging collecting tank (36); the beam top plate (3) is provided with a cutting guide plate (38), a rope saw moving wheel (40) at the lower part of a saw blade motor (39) is embedded into a rope saw sliding groove (41), and the saw blade motor (39) is connected with a cutting saw blade (42).
2. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the first bottom supporting rods (6) are respectively arranged on the outer side walls of the upper bearing hoop (4) and the lower bearing hoop (5) in the circumferential direction by 2-4.
3. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the jacking control body (14) adopts a hydraulic jack; the height of the auxiliary support pier (15) is fixed and is formed by rolling steel plates or section steel or steel pipes.
4. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the first bottom supporting rod (6) and the second bottom supporting rod (13) are respectively composed of a first adjusting rod (44), a supporting rod adjusting bolt (45), a second adjusting rod (46) and a rod end bearing plate (8); one end of the first adjusting rod (44) and one end of the second adjusting rod (46) are connected with the stay bar adjusting bolt (45) through screws, and the other end is provided with a rod end rotating hinge (48); the screw fastening directions of the first adjusting rod (44) and the second adjusting rod (46) are opposite.
5. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the cross section of the beam bottom hoop (16) is U-shaped, and the clear width of the beam bottom hoop is the same as the bottom width of the pier top cover beam (2); the beam hoop connecting rod (17) transversely penetrates through the pier top cover beam (2) and is fastened through a bolt.
6. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the roof bracing beam (18) is formed by rolling profile steel or steel plates, and a bracing beam position adjusting hinge (49) is arranged between the end part of the roof bracing beam and the beam end connecting plate (19).
7. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the integral connecting plate (29) is laid along the lower surface of the pier top cover beam (2), and 2-6 fastening bolt through holes (50) are formed in the integral connecting plate (29); the plane of the fastening bolt passing through the hole (50) is rectangular or oval.
8. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the hanging collecting tank (36) is formed by rolling a steel plate, the hanging collecting tank (36) is vertically welded with the hanging support beam (33), and a closed connecting body (52) and a closed vertical plate (53) are arranged between the hanging collecting tank (36) and the closed bottom plate (51) on the lower surface of the pier top cover beam (2); the sewage collecting box (37) is formed by rolling a steel plate or an alloy plate, and a built-in filter plate (54) is arranged on the inner side wall of the sewage collecting box.
9. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the upper surface of the cutting guide plate (38) is provided with a rope saw sliding groove (41).
10. The urban bridge local ecological demolition structure according to claim 1, characterized in that: the upper bearing hoop (4) and the lower bearing hoop (5) are mainly composed of hoop plates (55) and hoop inner airtight layers (56), a hoop plate rotating hinge (57) and hoop ear plates (47) are arranged at the joint of the two hoop plates (55) which are connected, and the hoop ear plates (47) are connected through hoop fastening bolts (43).
CN201921164928.8U 2019-07-22 2019-07-22 Local ecological demolition structure for urban bridge Active CN210561788U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921164928.8U CN210561788U (en) 2019-07-22 2019-07-22 Local ecological demolition structure for urban bridge

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Application Number Priority Date Filing Date Title
CN201921164928.8U CN210561788U (en) 2019-07-22 2019-07-22 Local ecological demolition structure for urban bridge

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Publication Number Publication Date
CN210561788U true CN210561788U (en) 2020-05-19

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