A steel structure bridge reinforcement device

Abstract

The present invention discloses a steel structure bridge reinforcement device, which belongs to the technical field of steel structure bridge reinforcement, and comprises: a bridge deck, a support seat for supporting the bridge deck is installed at the bottom, and a pier support column is installed at the bottom of the support seat; two bases are located on both sides of the two pier support columns, and the tops of the two bases are installed with vertical columns; two adjustment sleeves are slidably installed on the outside of the two vertical columns, and the outsides of the two adjustment sleeves are installed with four force-bearing extrusion blocks, and the tops of the two bases are provided with four support screws, and the support screws are matched with the corresponding force-bearing extrusion blocks. The overall structure of the present invention is simple, and it can be quickly installed and used, and the support degree can be adjusted. Multiple structures are combined to form a triangular structure. According to the principle that the triangle has stability, the bridge deck and the pier support column can be well supported and reinforced, and the overall anti-seismic performance can be improved at the same time.

Description

Technical Field

[0001] The invention belongs to the technical field of steel structure bridge reinforcement, and in particular relates to a steel structure bridge reinforcement device. Background Art

[0002] Steel structure bridges have the advantages of high compressive strength, good plastic deformation and short construction period. They are widely used in bridge construction. Due to poor durability, improper design or poor construction quality, some steel structure bridges need to be reinforced to restore or improve the bearing capacity of the bridge, thereby preventing and avoiding possible casualties and property losses, and at the same time extending the service life of steel structure bridges.

[0003] After searching, the patent document with publication (announcement) number: CN113106881B and main classification number: E01D discloses a steel structure bridge reinforcement device, including: a base; a pier support column, which is fixed between the base and the bridge deck and rotatably sleeved with a first sleeve, and a first bevel gear is fixedly sleeved on the first sleeve; a plurality of support mechanisms, which are evenly spaced along the circumference of the pier support column, including: a first support rod, which is vertically arranged on the base; a second sleeve, which is vertically arranged directly above the first support rod; a screw rod, the top of which is inserted into the second sleeve and threadedly connected thereto, and the bottom of which extends vertically downward and is rotatably connected to the first support rod; a second bevel gear is fixedly sleeved on the screw rod; a plurality of connecting rods, one connecting rod is arranged corresponding to one screw rod, any connecting rod is arranged to rotate horizontally, and third bevel gears are fixedly sleeved on both ends, and the two third bevel gears are respectively meshed with the second bevel gear and the first bevel gear adjacent thereto.

[0004] The existing reinforcement methods for steel structure bridges are complex and cannot support the bridge and the bridge deck at the same time, and the support and reinforcement effects need to be improved.

[0005] In order to solve the above problems, a steel structure bridge reinforcement device is proposed in the present application. Summary of the invention

[0006] In view of the problems in the related art, the present invention proposes a steel structure bridge reinforcement device to overcome the above technical problems existing in the existing related art.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A steel structure bridge reinforcement device, comprising:

[0009] The bridge deck has a support seat installed at the bottom for supporting the bridge deck, and a pier support column is installed at the bottom of the support seat;

[0010] Two bases are located on both sides of the two pier support columns, and vertical columns are installed on the tops of the two bases;

[0011] Two adjusting sleeves are slidably mounted on the outside of the two vertical columns, four force-bearing extrusion blocks are installed on the outside of the two adjusting sleeves, four support screws are arranged on the top of the two bases, the support screws are matched with the corresponding force-bearing extrusion blocks, the outer sides of the support screws are threadedly connected with two nuts, the two nuts are located on both sides of the corresponding force-bearing extrusion blocks, and are used to press and fix the support screws and the force-bearing extrusion blocks;

[0012] Two diagonal brace reinforcement mechanisms, the two diagonal brace reinforcement mechanisms are connected to the two bases for reinforcing the pier support column, the two diagonal brace reinforcement mechanisms are both provided with semicircular hoops, and the two semicircular hoops are both matched with the pier support column;

[0013] Two shock-absorbing support structures are fixedly installed on the tops of the two adjustment sleeves, and the two shock-absorbing support structures are connected to the bottom of the bridge deck by bolts to support the bridge deck;

[0014] Two oblique rods, the oblique rods are configured to connect the semicircular hoop with the shock-absorbing support structure;

[0015] Compared with the prior art, the advantages of the present invention are: a triangular structure is formed by connecting vertical columns, adjustment sleeves, diagonal brace reinforcement mechanisms, diagonal rods, and shock-absorbing support structures to reinforce bridge decks and pier support columns. Based on the principle that triangles have stability, the bridge decks and pier support columns can be well supported and reinforced.

[0016] Furthermore, the diagonal brace reinforcement mechanism includes:

[0017] There are two support blocks, which are symmetrically welded on the outer side of the base;

[0018] A square rod, the bottom end of which is rotatably mounted on the outside of the support block;

[0019] A connecting piece, fixedly mounted to the top of the square rod by screws;

[0020] The adjusting screw rod has a bottom end connected to the connecting piece and a top end rotatably mounted with a shock absorbing sheet through a bearing;

[0021] The shock-absorbing cylinder is provided with a groove and a shock absorber is arranged inside, and the shock-absorbing sheet is connected to the shock-absorbing cylinder through the shock absorber;

[0022] The welded part is rotatably connected to the top end of the shock-absorbing cylinder and is fixedly mounted on the outside of the semicircular clamp.

[0023] Compared with the prior art, the advantages of the present invention are: the base is connected to the semicircular clamp by means of a support block, a square rod, a connecting piece, an adjusting screw rod, a shock-absorbing cylinder and a welding piece, and the connection between the two has a supporting and earthquake-resistant function through the setting of the shock absorber. When the bridge deck transmits the vibration received to the pier support column, the vibration is dispersed and transmitted to the shock absorber, which can play a shock-absorbing role.

[0024] Furthermore, the support block is a U-shaped structure, and a support shaft is arranged inside, and the support block is rotatably connected to the square rod through the support shaft.

[0025] Furthermore, the connecting piece is a hollow structure, with a round hole reserved on the top for movably connecting with the adjusting screw rod, and a nut is threadedly connected to the outer side of the adjusting screw rod.

[0026] The connection position between the adjusting screw rod and the connecting piece can be changed by twisting the nut.

[0027] Furthermore, a first end shaft and a second end shaft are provided on the inner side of the welded part, a first hinge is welded on the top of the shock-absorbing cylinder, the first hinge cooperates with the first end shaft, and a second hinge is provided at the bottom end of the inclined rod, the second hinge cooperates with the second end shaft.

[0028] Furthermore, the shock-absorbing support structure includes a first shock-absorbing plate, an arc-shaped shock-absorbing plate and a second shock-absorbing plate. The first shock-absorbing plate is fixedly installed on the top of the adjusting sleeve, both ends of the arc-shaped shock-absorbing plate are fixedly installed on the top of the first shock-absorbing plate, the top of the arc-shaped shock-absorbing plate and the bottom of the second shock-absorbing plate are fixedly installed by screws, and a plurality of mounting holes are arranged on the second shock-absorbing plate. The second shock-absorbing plate is installed on the bottom of the bridge deck by using screw rods and the mounting holes.

[0029] The bridge deck is supported and damped by a shock-absorbing support structure, and the arc-shaped shock-absorbing plate is deformed when subjected to vibration, thereby playing a shock-absorbing role.

[0030] Furthermore, two axle pins are installed at the bottom of the first shock-absorbing plate, a notch is provided at the top of the oblique rod, an axle pin is provided in the notch, the axle pin is connected to the axle pin, and the first shock-absorbing plate is connected to the semicircular clamp through the oblique rod.

[0031] In summary, the technical effects and advantages of the present invention are as follows:

[0032] The present invention uses four support screws to support the adjustment sleeve, and by adjusting the extrusion degree of the nut, the strength of the support sleeve supporting the bridge deck through the shock-absorbing support structure is adjusted; the bridge deck is supported vertically by the base, the vertical column, the adjustment sleeve, and the shock-absorbing support structure, and the arc-shaped shock-absorbing plate is deformed when subjected to vibration, thereby playing a shock-absorbing role;

[0033] The cooperation of the diagonal brace reinforcement mechanism and the semicircular hoop of the present invention is used to carry out diagonal support reinforcement on the bridge pier support column, and the diagonal brace reinforcement mechanism and the semicircular hoop are arranged for this purpose, so as to improve the reinforcement effect of the bridge pier support column. When the bridge deck transmits the vibration received to the bridge pier support column, the vibration is dispersed and transmitted to the shock absorber, so as to play a shock absorbing role.

[0034] The oblique rods provided in the present invention connect the first shock-absorbing plate with the semicircular hoop, so that the vertical column, the adjustment sleeve, the oblique support reinforcement mechanism, the oblique rods, and the shock-absorbing support structure are connected to form a triangular structure, which is used to simultaneously reinforce the bridge deck and the pier support column. According to the principle that the triangle has stability, the bridge deck and the pier support column can be well supported and reinforced, and the overall seismic performance can be improved at the same time;

[0035] In the present invention, the support blocks on the base and the shaft pins on the shock-absorbing support structure are arranged in pairs, so as to selectively reinforce adjacent bridge pier support columns.

[0036] The overall structure of the present invention is simple, and it can be quickly installed and used, and the support degree can be adjusted. Multiple structures are combined to form a triangular structure. According to the principle that the triangle has stability, the bridge deck and the pier support columns can be well supported and reinforced, while improving the overall seismic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0038] Figure 2 For the present invention Figure 1 Schematic diagram of the structure viewed from above;

[0039] Figure 3 It is a schematic diagram of the structure of the shock-absorbing support structure, the adjusting sleeve and related parts of the present invention;

[0040] Figure 4 For the present invention Figure 3 A schematic diagram of the front view structure of

[0041] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting piece in the present invention;

[0042] Figure 6 This is a schematic diagram of the structure of the adjusting screw rod, bearing and shock absorbing plate of the present invention;

[0043] Figure 7 It is a schematic structural diagram of the shock absorbing cylinder and the first hinge of the present invention;

[0044] Figure 8 The figure is a schematic diagram of the internal structure of the shock-absorbing cylinder;

[0045] Fig. 9It is a schematic diagram of the three-dimensional overall structure of the semicircular hoop, the welding piece, the first end shaft and the second end shaft of the present invention;

[0046] Fig.10 It is a schematic diagram of the three-dimensional structure of the connecting piece of the present invention.

[0047] In the figure: 1, bridge deck; 11, bridge pier support column; 12, support seat; 2, base; 21, vertical column; 3, adjustment sleeve; 31, force extrusion block; 4, support screw; 41, nut; 5, diagonal brace reinforcement mechanism; 51, support block; 511, support shaft; 52, square rod; 53, connecting piece; 531, round hole; 54, adjustment screw; 541, shock-absorbing plate; 542, bearing; 55, shock-absorbing Cylinder; 551, groove; 552, shock absorber; 553, first hinge; 56, welding part; 561, first end shaft; 562, second end shaft; 6, oblique rod; 61, second hinge; 62, notch; 63, shaft pin; 7, shock-absorbing support structure; 71, first shock-absorbing plate; 72, arc-shaped shock-absorbing plate; 73, second shock-absorbing plate; 74, shaft pin; 75, screw; 76, mounting hole; 8, semicircular hoop. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0049] Reference Figure 1-Figure 3A steel structure bridge reinforcement device comprises a bridge deck 1, two bases 2, two adjusting sleeves 3, two diagonal brace reinforcement mechanisms 5, two diagonal rods 6, and two shock-absorbing support structures 7; a support seat 12 for supporting the bridge deck 1 is installed at the bottom of the bridge deck 1, a pier support column 11 is installed at the bottom of the support seat 12, two bases 2 are located on both sides of the two pier support columns 11, vertical columns 21 are installed on the tops of the two bases 2, two adjusting sleeves 3 are slidably installed on the outsides of the two vertical columns 21, four force-bearing extrusion blocks 31 are installed on the outsides of the two adjusting sleeves 3, four support screws 4 are arranged on the tops of the two bases 2, the support screws 4 cooperate with the corresponding force-bearing extrusion blocks 31, and the outer sides of the support screws 4 The side threads are connected with two nuts 41, which are located on both sides of the corresponding stressed extrusion blocks 31, and are used to press and fix the support screw 4 and the stressed extrusion blocks 31; the two diagonal brace reinforcement mechanisms 5 are connected with the two bases 2 for reinforcing the pier support column 11, and the two diagonal brace reinforcement mechanisms 5 are provided with semicircular clamps 8, and the two semicircular clamps 8 are matched with the pier support column 11, and the two semicircular clamps 8 are fixed to the outside of the pier support column 11 by bolts; the two shock-absorbing support structures 7 are fixedly installed on the tops of the two adjustment sleeves 3, and the two shock-absorbing support structures 7 are connected to the bottom of the bridge deck 1 by bolts, which are used to support the bridge deck 1; the diagonal rod 6 is provided to connect the semicircular clamp 8 with the shock-absorbing support structure 7.

[0050] Specifically, the vertical column 21, the adjustment sleeve 3, the diagonal brace reinforcement mechanism 5, the diagonal rod 6, and the shock-absorbing support structure 7 are connected to form a triangular structure for reinforcing the bridge deck 1 and the pier support column 11. Based on the principle that the triangle has stability, the bridge deck 1 and the pier support column 11 can be well supported and reinforced.

[0051] Reference Figure 1 , Figure 2 , Figure 5-Figure 10 In this embodiment, the diagonal brace reinforcement mechanism 5 includes a support block 51, a square rod 52, a connecting piece 53, an adjusting screw rod 54, a shock-absorbing cylinder 55 and a welding piece 56. The support block 51 is two and symmetrically welded to the outer side of the base 2. The bottom end of the square rod 52 is rotatably mounted on the outer side of the support block 51; the connecting piece 53 is fixed to the top of the square rod 52 by screws; the bottom end of the adjusting screw rod 54 is connected to the connecting piece 53, and the top end is rotatably mounted with a shock-absorbing sheet 541 through a bearing 542; a groove 551 is opened at the bottom of the shock-absorbing cylinder 55, and a shock absorber 552 is arranged inside the groove 551, and the shock-absorbing sheet 541 is connected to the shock-absorbing cylinder 55 through the shock absorber 552; the welding piece 56 is rotatably connected to the top end of the shock-absorbing cylinder 55, and the welding piece 56 is fixedly mounted on the outer side of the semicircular hoop 8;

[0052] Specifically, the base 2 is connected to the semicircular clamp 8 by means of a support block 51, a square rod 52, a connecting piece 53, an adjusting screw 54, a shock absorbing cylinder 55 and a welding piece 56. The setting of the shock absorber 552 makes the connection between the two have a supporting and earthquake-resistant function. When the bridge deck 1 transmits the vibration received to the pier support column 11, the vibration is dispersed and transmitted to the shock absorber 552, which can play a shock-absorbing role.

[0053] Reference Figure 1 and Figure 6 In this embodiment, the support block 51 is a U-shaped structure, a support shaft 511 is provided inside the support block 51, and the support block 51 is rotatably connected to the square rod 52 through the support shaft 511. The connecting piece 53 is a hollow structure, and a round hole 531 is reserved on the top to be movably connected to the adjusting screw rod 54. The outer side of the adjusting screw rod 54 is threadedly connected with a nut (the nut is a prior art and is not shown in the figure);

[0054] Specifically, the connection position between the adjusting screw rod 54 and the connecting member 53 can be changed by twisting the nut.

[0055] Reference Figure 1 , Figure 2 , Figure 7 and Fig.10 In this embodiment, a first end shaft 561 and a second end shaft 562 are provided on the inner side of the welding part 56, a first hinge 553 is welded on the top of the shock absorbing cylinder 55, and the first hinge 553 cooperates with the first end shaft 561, and a second hinge 61 is provided at the bottom end of the inclined rod 6, and the second hinge 61 cooperates with the second end shaft 562.

[0056] Reference Figure 3 and Figure 4 In this embodiment, the shock absorbing support structure 7 includes a first shock absorbing plate 71, an arc-shaped shock absorbing plate 72 and a second shock absorbing plate 73. The first shock absorbing plate 71 is fixedly installed with the top of the adjusting sleeve 3, both ends of the arc-shaped shock absorbing plate 72 are fixedly installed with the top of the first shock absorbing plate 71, the top of the arc-shaped shock absorbing plate 72 and the bottom of the second shock absorbing plate 73 are fixedly installed by screws 75, and a plurality of mounting holes 76 are provided on the second shock absorbing plate 73. The second shock absorbing plate 73 is installed at the bottom of the bridge deck 1 by using screw rods and the mounting holes 76.

[0057] Specifically, the bridge deck 1 is supported and damped by the damping support structure 7 , and the arc-shaped damping plate 72 is deformed when subjected to vibration, thereby playing a damping role.

[0058] Reference Figure 3 and Fig.10In this embodiment, two axle pins 74 are installed at the bottom of the first damping plate 71, a notch 62 is provided at the top of the oblique rod 6, an axle pin 63 is provided in the notch 62, and the axle pin 63 is connected to the axle pin 74; the first damping plate 71 is connected to the semicircular hoop 8 through the oblique rod 6.

[0059] Working method: During use, prepare relevant tools, including the following steps:

[0060] S1, fix the two bases 2 on both sides of the pier support column 11 through embedded parts, then install the two adjustment sleeves 3 on the outside of the corresponding vertical column 21, the support screw 4 passes through the corresponding force-bearing extrusion block 31, and the adjustment sleeve 3 is squeezed and moved through two nuts 41, so that the second damping plate 73 is installed on the bottom of the bridge deck 1 by using the screw rod and the installation hole 76;

[0061] S2: Install two semicircular hoops 8 and fix them on the outer side of the pier support column 11 by screws;

[0062] S3: Connect the adjusting screw rod 54 to the connecting member 53 through the circular hole 531 and then fix them with a nut;

[0063] S4: Install the oblique rod 6 between the welding member 56 and the shaft pin 74;

[0064] After the support reinforcement is completed, the tightness of the nut 41 and the nut is adjusted, and the vertical support force of the bridge deck 1 is formed through the base 2, the vertical column 21, the adjustment sleeve 3, and the shock-absorbing support structure 7. The arc-shaped shock-absorbing plate 72 is deformed when subjected to vibration, thereby playing a shock-absorbing role;

[0065] The cooperation between the diagonal brace reinforcement mechanism 5 and the semicircular hoop 8 is used to diagonally support and reinforce the pier support column 11, and the diagonal brace reinforcement mechanism 5 and the semicircular hoop 8 are set for this purpose to improve the reinforcement effect of the pier support column 11. When the bridge deck 1 transmits the vibration received to the pier support column 11, the vibration is dispersed and transmitted to the shock absorber 552 to play a shock absorbing role;

[0066] The inclined rod 6 is provided to connect the first damping plate 71 with the semicircular hoop 8, so that the vertical column 21, the adjustment sleeve 3, the diagonal brace reinforcement mechanism 5, the inclined rod 6, and the damping support structure 7 are connected to form a triangular structure, which is used to simultaneously reinforce the bridge deck 1 and the pier support column 11. According to the principle that the triangle has stability, the bridge deck 1 and the pier support column 11 can be well supported and reinforced, and the overall seismic performance can be improved at the same time;

[0067] In the present invention, the support blocks 51 on the base 2 and the axle pins 74 on the shock-absorbing support structure 7 are arranged in pairs, so as to selectively reinforce adjacent pier support columns 11 .

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel structure bridge reinforcement device, characterized in that: include: A bridge deck (1), with a support seat (12) for supporting the bridge deck (1) installed at the bottom, and a pier support column (11) installed at the bottom of the support seat (12); Two bases (2) are located on both sides of the two pier support columns (11), and vertical columns (21) are installed on the tops of the two bases (2); Two adjustment sleeves (3) are slidably mounted on the outside of the two vertical columns (21), and four force-bearing extrusion blocks (31) are installed on the outside of the two adjustment sleeves (3). Four support screws (4) are arranged on the top of the two bases (2), and the support screws (4) are matched with the corresponding force-bearing extrusion blocks (31). The outer sides of the support screws (4) are threadedly connected with two nuts (41), and the two nuts (41) are located on both sides of the corresponding force-bearing extrusion blocks (31) for pressing and fixing the support screws (4) and the force-bearing extrusion blocks (31); Two diagonal brace reinforcement mechanisms (5), the two diagonal brace reinforcement mechanisms (5) being connected to the two bases (2) for reinforcing the pier support column (11), the two diagonal brace reinforcement mechanisms (5) being provided with a semicircular clamp (8), the two semicircular clamps (8) being matched with the pier support column (11); Two shock-absorbing support structures (7) are fixedly mounted on the tops of the two adjustment sleeves (3); the two shock-absorbing support structures (7) are connected to the bottom of the bridge deck (1) by bolts, and are used to support the bridge deck (1); Two oblique rods (6), the oblique rods (6) being configured to connect the semicircular hoop (8) to the shock-absorbing support structure (7); The diagonal brace reinforcement mechanism (5) comprises: Two support blocks (51) are symmetrically welded on the outer side of the base (2); A square rod (52), the bottom end of which is rotatably mounted on the outside of the support block (51); A connecting piece (53) is fixedly mounted to the top of the square rod (52) by means of screws; An adjusting screw rod (54), the bottom end of which is connected to the connecting member (53), and the top end of which is rotatably mounted with a shock absorbing plate (541) via a bearing (542); The shock absorbing cylinder (55) is provided with a groove (551) and a shock absorber (552) is arranged inside, and the shock absorbing sheet (541) is connected to the shock absorbing cylinder (55) via the shock absorber (552); A welding member (56) is rotatably connected to the top end of the shock absorbing cylinder (55) and is fixedly mounted on the outside of the semicircular hoop (8); The support block (51) is a U-shaped structure, and a support shaft (511) is arranged inside, and the support block (51) is rotatably connected to the square rod (52) via the support shaft (511); The shock-absorbing support structure (7) comprises a first shock-absorbing plate (71), an arc-shaped shock-absorbing plate (72) and a second shock-absorbing plate (73); the first shock-absorbing plate (71) is fixedly mounted to the top of the adjustment sleeve (3); both ends of the arc-shaped shock-absorbing plate (72) are fixedly mounted to the top of the first shock-absorbing plate (71); and the top of the arc-shaped shock-absorbing plate (72) is fixedly mounted to the bottom of the second shock-absorbing plate (73) by means of screws (75).

2. A steel structure bridge reinforcement device according to claim 1, characterized in that: The connecting piece (53) is a hollow structure, with a round hole (531) reserved at the top for movably connecting with the adjusting screw rod (54).

3. A steel structure bridge reinforcement device according to claim 1, characterized in that: A first end shaft (561) and a second end shaft (562) are arranged on the inner side of the welded part (56); a first hinge (553) is welded on the top of the shock-absorbing cylinder (55); the first hinge (553) cooperates with the first end shaft (561); a second hinge (61) is arranged on the bottom end of the inclined rod (6); the second hinge (61) cooperates with the second end shaft (562).

4. A steel structure bridge reinforcement device according to claim 1, characterized in that: The second damping plate (73) is provided with a plurality of mounting holes (76), and the second damping plate (73) is mounted on the bottom of the bridge deck (1) by using screw rods to cooperate with the mounting holes (76).

5. A steel structure bridge reinforcement device according to claim 4, characterized in that: Two axle pins (74) are installed at the bottom of the first damping plate (71), a notch (62) is provided at the top end of the oblique rod (6), an axle pin (63) is provided in the notch (62), and the axle pin (63) is connected to the axle pin (74).

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