CN212533768U - Assembled single-column pier bridge reinforcing apparatus - Google Patents
Assembled single-column pier bridge reinforcing apparatus Download PDFInfo
- Publication number
- CN212533768U CN212533768U CN202020025266.2U CN202020025266U CN212533768U CN 212533768 U CN212533768 U CN 212533768U CN 202020025266 U CN202020025266 U CN 202020025266U CN 212533768 U CN212533768 U CN 212533768U
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- steel sleeve
- pier
- plate
- box girder
- fixing plate
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Abstract
The utility model discloses an assembled single-column pier bridge reinforcing device, which comprises a structure main body, wherein the structure main body comprises a box girder and a pier arranged under the box girder, an outer coating type steel sleeve is additionally arranged on the pier, supporting devices are symmetrically arranged on two sides of the steel sleeve and consist of a supporting plate and a supporting frame, the upper surface of the supporting plate is provided with a supporting rod which is vertically connected with the supporting plate, and one end of the supporting rod, which is far away from the supporting plate, is connected with the box girder; the utility model discloses need not carry out heavy processes such as girder jacking, concrete placement, can be under the condition that does not influence the traffic, carry out antidumping reinforcement to the bridge to all parts of the device all can be prefabricated in the mill, and on-the-spot assembly has both guaranteed product quality, has also saved the on-the-spot engineering time greatly, is a simple structure, installs convenient and not receive the antidumping reinforcing apparatus that the construction application scope restricted.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to an assembled single-column mound bridge reinforcing apparatus.
Background
The single-column pier bridge has been used for a long time, is a common bridge structure in engineering, and is often adopted in urban interchange and highway overpass. The single-column pier has the characteristics of occupying small space under the bridge, saving occupied area and the like, can improve the layout of a lower structure, increase the visual field and improve the attractiveness of the bridge body, and particularly can adopt smaller span for crossing when the cross lines are crossed in an oblique mode, so that the single-column pier is more economical. In recent years, due to the fact that heavy vehicles are relatively seriously overloaded, the single-column pier bridge is prone to overturning accidents, and multiple heavy-overload trucks or heavy vehicles run along one side of the single-column pier bridge together, so that the bridge is seriously unbalanced, a bridge support is single-side-released, and a bridge body is laterally turned over.
In order to ensure the structural safety of the existing single-column bridge, necessary reinforcing means are adopted to improve the stress state of the single-column bridge, and the occurrence of overturning accidents is avoided. The common methods comprise the step of additionally arranging a cover beam, the step of additionally arranging a pier stud and the step of thickening the pier stud, the three methods all need to erect a mold and pour concrete, even pile driving, the construction process is complex, and traffic can be interrupted in the construction process, so that the application range of the existing anti-overturning reinforcement process is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fabricated single-column pier bridge reinforcing apparatus for solving above-mentioned problem.
The utility model provides a pair of assembled single-column mound bridge reinforcing apparatus, including a main structure body, main structure body includes the case roof beam and locates the pier under the case roof beam, pier cladding formula is equipped with the steel sleeve, steel sleeve bilateral symmetry is equipped with strutting arrangement, strutting arrangement comprises backup pad and support frame, the backup pad upper surface is equipped with the perpendicular bracing piece of being connected with it, the bracing piece keep away from backup pad one end with the case roof beam is connected.
Preferably, the case roof beam with it is equipped with the support to connect between the pier, the pier is close to case roof beam one end is equipped with the fixed plate, the fixed plate passes through chemical bolt fastening in on the pier, the fixed plate comprises two semi-circular rings, be provided with on the fixed plate with the same two rings of circular slots in fixed plate centre of a circle, be equipped with chemical bolt on the circular slot of inner circle, the fixed plate pass through chemical bolt with pier fixed connection is equipped with high strength bolt on the circular slot of outer lane, the fixed plate pass through high strength bolt with steel sleeve fixed connection.
Preferably, the steel sleeve comprises two semi-circular structures's son steel bushing, the steel sleeve with the lantern ring is welded to the fixed plate connection end, the lantern ring comprises two semicircle steel lantern rings, be equipped with the slotted hole on the lantern ring, the welding of steel sleeve lower extreme has the pterygoid lamina, the pterygoid lamina with strutting arrangement fixed connection, the pterygoid lamina by the horizontal plate and set up in a plurality of wedges under the horizontal plate constitute.
Preferably, the support frame comprises a plurality of horizontal supports and vertical supports, a connecting rod is arranged between each horizontal support and the corresponding vertical support, and the horizontal supports, the vertical supports and the connecting rods are connected through welding to form a plurality of triangles.
Preferably, the support plate is located above the support frame, and the support plate is fixedly connected with the support frame through a bolt.
Preferably, the supporting plate is symmetrically provided with inserting columns on one side close to the box girder, each inserting column comprises a base and a cover plate, a spherical groove is formed in the center of each base, the supporting rods are inserted into the spherical grooves, and the cover plates are connected with the bases through threads and fix the supporting rods into the inserting columns.
Preferably, the bracing piece comprises upper boom, lower beam and regulation pole, the upper boom with the lower beam is solid construction, it is the hollow pole of screw thread bayonet socket to adjust the pole, upper boom one end with the case roof beam is connected, the other end with adjust the pole and connect, just the upper boom with the case roof beam link is spherical structure, with it is hickey to adjust the pole link, lower boom one end with the backup pad is connected, the other end with adjust the pole and connect, just the lower boom with the case roof beam link is spherical structure, with it is hickey to adjust the pole link.
The utility model has the advantages as follows:
(1) the utility model relates to an assembled single-column mound bridge reinforcing apparatus does not need to carry out the heavy processes such as girder jacking, concrete placement, can carry out the antidumping reinforcement to the bridge under the condition that does not influence the traffic, and all parts of the apparatus can be prefabricated in the factory, the on-the-spot assembly, have both guaranteed product quality and precision, have also greatly saved the on-the-spot construction time, it is a simple structure, it is convenient to install and not restricted by construction application range antidumping reinforcing apparatus;
(2) the utility model discloses add the bracing piece in pier both sides, become the bridge from independent stand support to three point support to prevent that the bridge from taking place to topple, bracing piece and bridge connection end set up to spherical structure, can not only accomplish the restriction effect to vertical displacement, can also be in the temperature effect, can freely produce limited displacement and corner when effects such as concrete shrinkage creep, reduce the negative effect that secondary stress produced to the normal use of device, increased life;
(3) the production material of the assembled single-column pier bridge reinforcing device of the utility model is steel, the self weight of the structure is light, and the extra dead load generated on the original structure foundation is smaller; meanwhile, the steel sleeve is arranged outside the pier in a wrapping mode, and the bending resistance and the pressure resistance of the pier are improved.
Drawings
FIG. 1 is a schematic structural view of the reinforcing apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the fixing plate structure of the present invention;
FIG. 4 is a schematic view of the structure of the collar of the present invention;
FIG. 5 is a schematic view of the wing plate structure of the present invention;
FIG. 6 is a schematic view of the supporting rod of the present invention;
FIG. 7 is a schematic view of the structure of the plug-in post of the present invention;
in the figure: 1. a fixing plate; 11. a circular groove; 2. a steel sleeve; 21. a collar; 22. a wing plate; 3. a support device; 4. a support frame; 41. a horizontal support; 42. a vertical support; 43. a connecting rod; 5. a support plate; 6. a support bar; 61. a rod is arranged; 62. adjusting a rod; 63. a lower rod; 7. inserting the column; 71. a cover plate; 72. a base; 8. A box girder; 9. a support; 10. provided is a bridge pier.
Detailed Description
To further understand the contents and features of the present invention, the following embodiments are listed and described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, an assembled single-column pier bridge reinforcing apparatus, includes a main structure body, main structure body includes case roof beam 8 and locates pier 10 under the case roof beam 8, the outer cladding formula of pier 10 is equipped with steel sleeve 2, 2 bilateral symmetry of steel sleeve are equipped with strutting arrangement 3, strutting arrangement 3 comprises backup pad 5 and support frame 4, 5 upper surfaces of backup pad are equipped with the bracing piece 6 of being connected perpendicularly with it, 5 one end of backup pad is kept away from to bracing piece 6 with case roof beam 8 is connected.
As shown in fig. 1-2, the case roof beam 8 with connect between the pier 10 and be equipped with support 9, the pier 10 is close to 8 one end of case roof beam is equipped with fixed plate 1, fixed plate 1 is fixed in through chemical bolt on the pier 10, fixed plate 1 comprises two semicircular rings, be provided with on fixed plate 1 with the same two rings of circular slots 11 in the 1 centre of a circle of fixed plate is equipped with chemical bolt on the circular slot 11 of inner circle, fixed plate 1 through chemical bolt with pier 10 fixed connection is equipped with high strength bolt on the circular slot 11 of outer lane, fixed plate 1 through high strength bolt with steel sleeve 2 fixed connection.
As shown in fig. 2-5, the steel sleeve 2 is composed of two sub-steel sleeves with semicircular structures, a sleeve ring 21 is welded at one end of the steel sleeve 2 connected with the fixing plate 1, the sleeve ring 21 is composed of two semicircular steel sleeve rings, a slotted hole is formed in the sleeve ring 21, a wing plate 22 is welded at the lower end of the steel sleeve 2, the wing plate 22 is fixedly connected with the supporting device 3, and the wing plate 22 is composed of a horizontal plate and a plurality of wedges arranged below the horizontal plate.
As shown in fig. 2, the supporting frame 4 is composed of a plurality of horizontal brackets 41 and vertical brackets 42, connecting rods 43 are arranged between the horizontal brackets 41 and the vertical brackets 42, and the horizontal brackets 41, the vertical brackets 42 and the connecting rods 43 are connected by welding to form a plurality of triangles.
As shown in fig. 2, the support plate 5 is located above the support frame 4, and the support plate 5 is fixedly connected with the support frame 4 through bolts.
As shown in fig. 7, the support plate 5 is symmetrically provided with insertion columns 7 on one side close to the box girder 8, each insertion column 7 includes a base 72 and a cover plate 71, the center of the base 72 is provided with a spherical groove, the support rod 6 is inserted into the spherical groove, and the cover plate 71 is connected with the base 72 through threads and fixes the support rod 6 in the insertion column 7.
As shown in fig. 6, the supporting rod 6 is composed of an upper rod 61, a lower rod 63 and an adjusting rod 62, the upper rod 61 and the lower rod 63 are solid structures, the adjusting rod 62 is a hollow rod with a threaded bayonet, one end of the upper rod 61 is connected with the box girder 8, the other end of the upper rod is connected with the adjusting rod 62, the connecting end of the upper rod 61 and the box girder 8 is a spherical structure, the connecting end of the upper rod and the adjusting rod 62 is a threaded interface, one end of the lower rod 63 is connected with the supporting plate 5, the other end of the lower rod is connected with the adjusting rod 62, the connecting end of the lower rod 63 and the box girder 8 is a spherical structure, and the connecting end of the lower rod 63 and the.
The utility model relates to an assembled single-column mound bridge reinforcing apparatus's construction step does: s1: arranging a fixed plate 1 at the upper part of the pier 10, and placing chemical bolts in the inner circular groove 11 so that the fixed plate 1 and the pier 10 form a whole;
s2: after the chemical bolt reaches the strength, splicing and installing the two sub steel sleeves welded with the steel sleeve 2 of the wing plate 22 and the lantern ring 21 on the side wall of the pier 10, rotating the steel sleeve 2 to align the slotted hole of the lantern ring 21 with the circular groove 11 on the outer side of the fixed plate 1, and then connecting the slotted hole with the fixed plate 1 into a whole by using a high-strength bolt;
s3: on the basis of a wing plate 22 at the lower part of the steel sleeve 2, a horizontal bracket 41, a vertical bracket 42 and a connecting rod 43 are welded and assembled on the steel sleeve to form a support frame 4, and a support plate 5 is fixedly installed at the upper part of the support frame 4 through bolts;
s4: two inserting columns 7 are symmetrically arranged at the center of the supporting plate 5, and then the other two inserting columns 7 are arranged at the contact position of the bottom of the box girder 8 and are kept on the same vertical central line with the inserting columns 7 of the supporting plate 5;
s5: the spherical end of the lower rod 63 is placed at the spherical groove of the base 72, and then the cover plate 71 penetrates through the lower rod 63 and is in threaded connection with the base 72 to lock the lower rod 63 on the plug-in column 7;
s6: the adjusting rod 62 is rotatably connected with the threaded interface of the lower rod 63, the upper rod 61 penetrated with the cover plate 71 is connected with the adjusting rod 62, the length of the supporting rod 6 is adjusted through the adjusting rod 62, the spherical end of the upper rod 61 is tightly combined with the groove of the base 72, and the rear rotating cover plate 71 is locked.
It should be noted that the circular groove 11 of the outer ring on the fixing plate 1 corresponds to the groove hole on the lantern ring 21, and a bolt can pass through the circular groove.
The wing plate 22 is composed of a horizontal plate and a plurality of wedges disposed below the horizontal plate, and the wedges can enhance the structural strength and the bending deformation resistance of the wing plate.
It should be noted that the threaded ends of the upper rod 61 and the lower rod 63 and the adjusting rod 62 are combined to adjust the height of the supporting rod 6, so that the supporting rod 6 can be installed without using a top beam hoisting device.
The utility model relates to an assembled single-column pier bridge reinforcing device, which changes the single column support of the bridge into three-point support by adding the support rods 6 at the two sides of the pier 10, thereby preventing the bridge from overturning; the connecting end of the supporting rod 6 and the box girder 8 is arranged to be of a spherical structure, so that the limiting effect on vertical displacement can be achieved, limited displacement and rotation angle can be freely generated under the action of temperature and concrete shrinkage and creep, the negative effect of secondary stress on normal use of the device is reduced, and the service life is prolonged; meanwhile, all parts of the device can be prefabricated in a factory and assembled on site, so that the product quality and precision are guaranteed, the site construction time is greatly saved, and the device is an anti-overturning reinforcing device which is simple in structure, convenient and fast to install and not limited by the construction application range.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the method of the present invention to any simple modifications of the above embodiments are within the scope of the method of the present invention.
Claims (6)
1. The utility model provides an assembled single-column mound bridge reinforcing apparatus, a serial communication port, including a main structure body, main structure body includes case roof beam (8) and locates pier (10) under case roof beam (8), pier (10) outer cladding formula is equipped with steel sleeve (2), steel sleeve (2) bilateral symmetry is equipped with strutting arrangement (3), strutting arrangement (3) comprise backup pad (5) and support frame (4), backup pad (5) upper surface is equipped with perpendicular bracing piece (6) of being connected with it, bracing piece (6) keep away from backup pad (5) one end with case roof beam (8) are connected.
2. The fabricated single-column pier bridge reinforcing device according to claim 1, wherein: the box girder comprises a box girder body (8), a support (9) is connected between the box girder body (8) and piers (10), the piers (10) are close to one end of the box girder body (8) and are provided with a fixing plate (1), the fixing plate (1) is fixed on the piers (10) through chemical bolts, the fixing plate (1) is composed of two semicircular rings, two circles of circular grooves (11) identical to the circle center of the fixing plate (1) are arranged on the fixing plate (1), chemical bolts are arranged on the circular grooves (11) of the inner ring, the fixing plate (1) is fixedly connected with the piers (10) through the chemical bolts, high-strength bolts are arranged on the circular grooves (11) of the outer ring, the fixing plate (1) is fixedly connected with a steel sleeve (2) through the high-strength bolts, the steel sleeve (2) is composed of two steel sleeves of semicircular structures, one end of the steel sleeve (2) is connected with the fixing plate (1, the lantern ring (21) comprises two semicircle steel lantern rings, be equipped with the slotted hole on the lantern ring (21), steel sleeve (2) lower extreme welding has pterygoid lamina (22), pterygoid lamina (22) with strutting arrangement (3) fixed connection, pterygoid lamina (22) by the horizontal plate and set up in a plurality of wedges under the horizontal plate constitute.
3. The fabricated single-column pier bridge reinforcing device according to claim 1, wherein: the supporting frame (4) is composed of a plurality of horizontal supports (41) and vertical supports (42), connecting rods (43) are arranged between the horizontal supports (41) and the vertical supports (42), and a plurality of triangles are formed among the horizontal supports (41), the vertical supports (42) and the connecting rods (43) through welding connection respectively.
4. The fabricated single-column pier bridge reinforcing device according to claim 1, wherein: the support plate (5) is located above the support frame (4), and the support plate (5) is fixedly connected with the support frame (4) through bolts.
5. The fabricated single-column pier bridge reinforcing device according to claim 1, wherein: the supporting plate (5) is provided with inserting columns (7) close to one side of the box girder (8) symmetrically, each inserting column (7) comprises a base (72) and a cover plate (71), the center of each base (72) is provided with a spherical groove, the supporting rods (6) are inserted into the spherical grooves in an inserting mode, and the cover plates (71) are connected with the bases (72) through threads and fix the supporting rods (6) into the inserting columns (7).
6. The fabricated single-column pier bridge reinforcing device according to claim 1, wherein: bracing piece (6) comprise upper boom (61), lower beam (63) and regulation pole (62), upper boom (61) with lower beam (63) are solid construction, it is the hollow pole of screw thread bayonet socket to adjust pole (62), upper boom (61) one end with case roof beam (8) are connected, the other end with adjust pole (62) and connect, just upper boom (61) with case roof beam (8) link is spherical structure, with it is threaded interface to adjust pole (62) link, lower beam (63) one end with backup pad (5) are connected, the other end with adjust pole (62) and connect, just lower beam (63) with case roof beam (8) link is spherical structure, with it is threaded interface to adjust pole (62) link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025266.2U CN212533768U (en) | 2020-01-07 | 2020-01-07 | Assembled single-column pier bridge reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025266.2U CN212533768U (en) | 2020-01-07 | 2020-01-07 | Assembled single-column pier bridge reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212533768U true CN212533768U (en) | 2021-02-12 |
Family
ID=74525651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020025266.2U Expired - Fee Related CN212533768U (en) | 2020-01-07 | 2020-01-07 | Assembled single-column pier bridge reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212533768U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653309A (en) * | 2021-08-17 | 2021-11-16 | 中国建筑第八工程局有限公司 | Connecting structure of operating frame and upright column and construction method thereof |
| CN115094789A (en) * | 2022-07-04 | 2022-09-23 | 四川省交通建设集团股份有限公司 | Reinforcing method for increasing section of single-column pier |
| CN116876371A (en) * | 2023-09-04 | 2023-10-13 | 济宁市建设工程质量安全技术中心 | Bridge support adjusting device and method for bridge construction |
-
2020
- 2020-01-07 CN CN202020025266.2U patent/CN212533768U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653309A (en) * | 2021-08-17 | 2021-11-16 | 中国建筑第八工程局有限公司 | Connecting structure of operating frame and upright column and construction method thereof |
| CN115094789A (en) * | 2022-07-04 | 2022-09-23 | 四川省交通建设集团股份有限公司 | Reinforcing method for increasing section of single-column pier |
| CN116876371A (en) * | 2023-09-04 | 2023-10-13 | 济宁市建设工程质量安全技术中心 | Bridge support adjusting device and method for bridge construction |
| CN116876371B (en) * | 2023-09-04 | 2023-12-15 | 济宁市建设工程质量安全技术中心 | Bridge support adjusting device and method for bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20220107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |