CN212477464U - Hinge joint reinforcing and maintaining device - Google Patents
Hinge joint reinforcing and maintaining device Download PDFInfo
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- CN212477464U CN212477464U CN202021868974.9U CN202021868974U CN212477464U CN 212477464 U CN212477464 U CN 212477464U CN 202021868974 U CN202021868974 U CN 202021868974U CN 212477464 U CN212477464 U CN 212477464U
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- pull rod
- anchoring plate
- hinge joint
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Abstract
The utility model discloses a hinge joint reinforcing and maintaining device, include: an upper anchoring plate; the lower anchoring plate, the upper anchoring plate and the lower anchoring plate are arranged at intervals; the opposite pull rod is of a hollow structure, a plurality of slurry outlet holes are formed in the circumferential surface of the opposite pull rod, and each slurry outlet hole is communicated with the hollow part inwards; the upper anchoring plate and the lower anchoring plate can be respectively arranged in a matching way with the counter pull rod. The utility model discloses increase and consolidate maintenance device, make the horizontal contact reinforcing between the plate girder, weaken the monospar atress state, avoid the beam slab vibration to avoid crack repair gluey fracture, discretization.
Description
Technical Field
The utility model relates to a hinge joint reinforcing and maintaining device.
Background
As shown in fig. 1, a bridge or an overhead structure is often formed by connecting a plurality of plate girders, and transverse force-bearing connection is formed between the plate girders through hinges, so that force-bearing integrity is formed between the plate girders.
Damage to the beam plate can be caused after the hinge joint of the plate beam is damaged. In order to repair the hinge joint, the method of injecting glue or grouting into the hinge joint is mainly adopted to reinforce and maintain the hinge joint at the present stage. However, the injected colloid can crack and discretize, so that the glue injection effect is lost; and the hinge joint can not be repaired again after the colloid is injected into the hinge joint.
SUMMERY OF THE UTILITY MODEL
The utility model provides an solve above-mentioned technical problem, provide a hinge joint reinforcing and maintaining device.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a hinge joint reinforcement maintenance device, comprising:
an upper anchoring plate;
the lower anchoring plate, the upper anchoring plate and the lower anchoring plate are arranged at intervals;
the opposite pull rod is of a hollow structure, a plurality of slurry outlet holes are formed in the circumferential surface of the opposite pull rod, and each slurry outlet hole is communicated with the hollow part inwards;
the upper anchoring plate and the lower anchoring plate can be respectively arranged in a matching way with the counter pull rod.
According to one embodiment of the utility model, one end of the opposite pull rod is provided with a fixing nut which can be buckled on the upper anchoring plate or the lower anchoring plate; the other end of the pull rod is provided with a thread and a fastening nut; one end of the opposite pull rod is provided with a communication port which enables the hollow structure to be communicated with the outside; the grout outlet holes are all positioned between the fixing screw cap and the threads of the opposite pull rod.
According to the utility model discloses an embodiment still includes the injecting glue pipe, the tip of injecting glue pipe can be connected with the screw thread one end cooperation of contrast pole.
When the hinge joint damage of the plate beam is serious, the plate beam forms a single-beam stress state, and the vibration amplitude of the beam plate is large, so that the vibration of the beam plate caused by the load on the bridge can cause the crack repairing glue to crack and discretize when not cured, and the hinge joint glue injection effect can be completely lost. Therefore, the utility model discloses increase and consolidate maintenance device, make the horizontal contact reinforcing between the plate girder, weaken the monospar stress state, avoid the beam slab vibration to avoid crack repair to glue fracture, discretization. Glue is injected from the opposite pull rod, the glue injection is uniform, and the glue injection effect is good.
Drawings
FIG. 1 is a cross-sectional view of a bridge not embodying the present invention, wherein 1-slab beam, 2-hinge joint, 3-asphalt pavement, 4-concrete pavement, and 5-steel mesh;
FIG. 2 is a cross-sectional view of a bridge in steps one to three of example 1;
FIG. 3 is a cross-sectional view of the bridge obtained in step four of example 1;
FIG. 4 is a block diagram of a reinforcement maintenance device;
fig. 5 is an elevation view of a bridge.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example 1
The hinge joint reinforcing and maintaining method comprises the following steps:
step one, as shown in fig. 2, a notch 6 is formed at the position of a hinge joint 2; in particular on top of the hinge joint 2; when the notch 6 is opened, chiseling the bridge part structure at the hinge joint 2 until the steel bar structure is exposed. In this embodiment, specifically, the asphalt pavement layer 3 and a part of the concrete pavement layer 4 of the bridge are chiseled at the hinge joints 2 until the reinforcing mesh 5 in the concrete pavement layer 4 is exposed, that is, the concrete above the reinforcing mesh 5 in the concrete pavement layer 4 is chiseled until the reinforcing mesh 5 is exposed.
Step two, drilling a vertical through hole in the hinge joint 2; the vertical through hole is formed in the middle of the hinge joint 2. The diameter of the vertical through hole is typically smaller than the width of the hinge seam 2.
Step three, arranging a reinforcing and maintaining device 100 at the hinge joint 2, specifically, arranging an upper anchoring plate 7 at the notch 6, arranging a lower anchoring plate 8 at the position corresponding to the notch 6 below the plate beam, arranging a counter-pull rod 9 between the upper anchoring plate 7 and the lower anchoring plate 8, enabling the counter-pull rod 9 to penetrate through the upper anchoring plate 7 and the lower anchoring plate 8, arranging the counter-pull rod 9 in a vertical through hole, and then fastening the counter-pull rod 9, the upper anchoring plate 7 and the lower anchoring plate 8; the plate girder of this embodiment is a hollow plate girder.
Step four, as shown in fig. 3, repairing the notch 6; the repair uses quick-hardening concrete and asphalt concrete to fill the slot 6.
Step five, sealing the bottom of the hinge joint 2; and sealing the bottom of the hinge joint 2 by using sealing glue.
And step six, glue injection.
As shown in fig. 4, the opposite pull rod 9 is a hollow structure, one end of the opposite pull rod 9 is provided with a communication port 10, the communication port 10 enables the hollow structure to be communicated with the outside, the circumferential surface of the opposite pull rod 9 is provided with a plurality of slurry outlet holes 11, each slurry outlet hole 11 is communicated with the hollow part inwards, when glue is injected, the crack repairing glue is used, and the crack repairing glue is injected into the hollow structure from the communication port 10 and is injected into the hinge joint 2 structure through the slurry outlet holes 11.
In this embodiment, a fixing nut 12 is disposed at one end of the opposite pull rod 9, and the fixing nut 12 is buckled on the upper anchoring plate 7; the other end of the pull rod 9 is provided with a thread 13 and a fastening nut 14, and the pull rod 9, the upper anchoring plate 7 and the lower anchoring plate 8 can be fastened by screwing the fastening nut 14; the communication port 10 is positioned at one end of the thread 13; the grout outlet holes 11 are all positioned between the fixing nuts 12 and the threads 13 of the counter pull rod 9. The slurry outlets 11 are distributed in a staggered way. The fixing nut 12 and the main body of the counter-pull rod 9 are of an integral structure.
In this embodiment, a glue injection pipe 15 is provided, a joint 16 is disposed at an end of the glue injection pipe 15, and the joint 16 is sleeved on the communication opening 10 of the counter pull rod 9. The crack repairing glue is poured into the hollow structure through the glue injection pipe 15 and then is poured into the hinge joint 2 structure through the grout outlet 11. The glue injection pressure P is less than or equal to 0.6 MPa.
As shown in figures 2 and 5, the notches 6 are arranged in the range from 1/4 points to 3/4 points of the beam span C, the distance between the notches 6 is less than or equal to 1m and less than or equal to 3 multiplied by h, h is the height of the plate beam, and for example, the intervals between the notches 6 are 1m, h, 2h and 3 h.
As shown in fig. 2 and 3, the upper anchor plate 7 has a width L1L is less than or equal to B +10cm1B +20cm, e.g., L1B +10cm, B +12cm, B +15cm, B +18cm and B +20cm are taken, wherein B is the width of the hinge joint 2 and is the maximum width of the hinge joint 2; width L of lower anchor plate 82L is less than or equal to 20cm2Less than or equal to 30cm, e.g. L2Taking 20cm, 22cm, 25cm, 28cm and 30 cm; width L of the slot 63Satisfy, L1+4cm≤L3≤L1+8cm, e.g. L3Get L1+4cm、L1+8cm、 L1+6cm、L1+5 cm. Said width L1Width B and width L2And a width L3The directions of (1) are all the length directions of the plate girder 1.
Example 2
As shown in fig. 4, the hinge joint reinforcing and maintaining device of the present embodiment includes: an upper anchor plate 7; the lower anchoring plate 8, the upper anchoring plate 7 and the lower anchoring plate 8 are arranged at intervals; the counter-pull rod 9 is of a hollow structure, a plurality of slurry outlet holes 11 are formed in the peripheral surface of the counter-pull rod 9, and each slurry outlet hole 11 is communicated with the hollow part inwards; the upper anchoring plate 7 and the lower anchoring plate 8 may be provided in cooperation with tie-rods 9, respectively.
One end of the opposite pull rod 9 is provided with a fixing nut 12, and the fixing nut 12 can be buckled on the upper anchoring plate 7 or the lower anchoring plate 8; the other end of the pull rod 9 is provided with a thread 13 and a fastening nut 14; one end of the opposite pull rod 9 is provided with a communication port 10, and the communication port 10 enables the hollow structure to be communicated with the outside; the grout outlet holes 11 are all positioned between the fixing nuts 12 and the threads 13 of the counter pull rod 9. The slurry outlets 11 are distributed in a staggered way. The embodiment further comprises a glue injection pipe 15, and the end part of the glue injection pipe 15 can be matched and connected with one end of the thread 13 of the counter-pull rod 9. Specifically, a joint 16 is arranged at the end of the glue injection pipe 15, and the joint 16 is sleeved on the communication opening 10 of the counter pull rod 9. The crack repairing glue is poured into the hollow structure through the glue injection pipe 15 and then is poured into the hinge joint 2 structure through the grout outlet 11. The fixing nut 12 and the main body of the counter-pull rod 9 are of an integral structure. The setup and method of use of this example was the same as described in example 1.
The utility model discloses increase hinge joint and consolidate maintenance device, make the horizontal contact reinforcing between the plate girder, weaken the monospar atress state, avoid the beam slab vibration to avoid crack to repair the glued fracture, discretization. Glue is injected from the opposite pull rod, the glue injection is uniform, and the glue injection effect is good.
The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.
Claims (3)
1. A hinge joint reinforcing and maintaining device is characterized by comprising:
an upper anchoring plate;
the lower anchoring plate, the upper anchoring plate and the lower anchoring plate are arranged at intervals;
the opposite pull rod is of a hollow structure, a plurality of slurry outlet holes are formed in the circumferential surface of the opposite pull rod, and each slurry outlet hole is communicated with the hollow part inwards;
the upper anchoring plate and the lower anchoring plate can be respectively arranged in a matching way with the counter pull rod.
2. The hinge joint reinforcement maintenance device according to claim 1, wherein a fixing nut is provided at one end of the counter pull rod, and the fixing nut can be abutted against the upper anchoring plate or the lower anchoring plate; the other end of the pull rod is provided with a thread and a fastening nut; one end of the opposite pull rod is provided with a communication port which enables the hollow structure to be communicated with the outside; the grout outlet holes are all positioned between the fixing screw cap and the threads of the opposite pull rod.
3. The hinge joint reinforcement maintenance device according to claim 2, further comprising a glue injection pipe, wherein an end portion of the glue injection pipe can be connected with one end of the thread of the counter pull rod in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868974.9U CN212477464U (en) | 2020-08-31 | 2020-08-31 | Hinge joint reinforcing and maintaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868974.9U CN212477464U (en) | 2020-08-31 | 2020-08-31 | Hinge joint reinforcing and maintaining device |
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| Publication Number | Publication Date |
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| CN212477464U true CN212477464U (en) | 2021-02-05 |
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| CN202021868974.9U Active CN212477464U (en) | 2020-08-31 | 2020-08-31 | Hinge joint reinforcing and maintaining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945588A (en) * | 2020-08-31 | 2020-11-17 | 上海浦东新区公路建设发展有限公司 | Hinge joint reinforcing and maintaining method and device |
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2020
- 2020-08-31 CN CN202021868974.9U patent/CN212477464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945588A (en) * | 2020-08-31 | 2020-11-17 | 上海浦东新区公路建设发展有限公司 | Hinge joint reinforcing and maintaining method and device |
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