CN217810573U

CN217810573U - Crack reinforcing structure of road and bridge

Info

Publication number: CN217810573U
Application number: CN202221674514.1U
Authority: CN
Inventors: 刘胜超
Original assignee: Hebei Shuntai Road And Bridge Co ltd
Current assignee: Hebei Shuntai Road And Bridge Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-15
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a crack reinforced structure of road and bridge, belong to bridge maintenance technical field, pass through the fixed stock that the cable is connected rather than including main bearing piece, above-mentioned main bearing piece central authorities are equipped with a screw hole, above-mentioned main bearing piece both ends respectively are equipped with a pair of limit piece, above-mentioned main bearing piece top is equipped with a pair of well piece, the inside limit hole that has all opened of above-mentioned limit piece, it has well screw hole to open in one of them well piece, the inside well through-hole that has opened of piece in another, it has the limit groove to open on the main bearing piece between the adjacent limit piece, be equipped with the fixed pulley between the adjacent limit piece, the inside shaft that is equipped with of above-mentioned fixed pulley, the inside locking screw that is equipped with of piece in two the aforesaid, the inside tensioning screw rod that is equipped with of above-mentioned screw hole, the tip of above-mentioned tensioning screw rod is connected with the kicking block through the rotation of piece, be equipped with the cable between above-mentioned fixed pulley and the kicking block, the both ends of above-mentioned cable are connected with the fixed stock, this crack reinforced structure of road and bridge, can realize the cracked reinforcement temporarily.

Description

Crack reinforcing structure of road and bridge

Technical Field

The utility model belongs to the technical field of the bridge is maintained, concretely relates to crack reinforced structure of road and bridge.

Background

The bridge maintenance refers to a general term of measures such as maintenance, rush repair, reinforcement and protection for ensuring normal use of the bridge, and comprises the measures of uninterrupted technical inspection, maintenance and repair of the bridge, local reinforcement for improving the bearing and traffic capacity of the bridge, rapid repair of the damaged bridge, frequent camouflage, flood prevention, ice flow prevention, explosive drift prevention, enemy damage prevention and the like.

The bridge has the possibility of appearing the fracture along with the increase of live time, and current reinforcement mode is usually imbed the stock in cracked both sides and then reinforces through the billet, but need carry out the distance of the comparatively accurate control stock of hole distance according to the billet when this mode reinforcement, and the operation of reinforcement is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crack reinforced structure of road and bridge to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crack reinforcing structure of a road bridge comprises a main bearing piece and a fixing anchor rod connected with the main bearing piece through a guy cable, wherein a threaded hole is formed in the center of the main bearing piece, a pair of side pieces are arranged at two ends of the main bearing piece respectively, a pair of middle pieces are arranged above the main bearing piece, side holes are formed in the side pieces, a middle threaded hole is formed in one of the middle pieces, a middle through hole is formed in the other middle piece, side grooves are formed in the main bearing piece between the adjacent side pieces, a fixed pulley is arranged between the adjacent side pieces, a wheel shaft is arranged in the fixed pulley, locking screws are arranged in the two middle pieces, a tensioning screw rod is arranged in the threaded hole, the end part of the tensioning screw rod is rotatably connected with an ejector block through an inner screw, the guy cable is arranged between the fixed pulley and the ejector block, and two ends of the guy cable are connected with the fixing anchor rod.

Preferably, both ends of the wheel shaft are fixed inside the side holes, and the locking screw penetrates through the middle through hole and enters the middle threaded hole.

Preferably, the screw portion of the tension screw is engaged with the screw hole of the element, an intrusion shaft is provided at an end of the tension screw, an intrusion passage and a countersunk groove are formed in the top block, the intrusion shaft enters the intrusion passage, and the screw in the block is positioned in the countersunk groove and screwed into the intrusion shaft.

Preferably, a limiting shaft is fixed in the sheet part at the upper end of the fixing anchor rod, a copper sleeve and a limiting ring for fixing the axial position of the copper sleeve are sleeved outside the fixing anchor rod, and a sleeve wheel is sleeved and fixed outside the copper sleeve.

Preferably, the end of the inhaul cable is annular, the end of the inhaul cable is sleeved in a groove in the excircle of the sleeve wheel, and the middle of the inhaul cable is positioned in grooves in the excircle of the fixed pulley and the jacking block.

Preferably, the limiting shaft is adjacent to the outer circle of the sleeve wheel.

The utility model discloses a technological effect and advantage:

this crack reinforced structure of road and bridge, can be comparatively free will fix the stock setting in the part of the crack both sides on the bridge, fixed stock does not have higher precision demand during the arrangement, has avoided traditional billet reinforcement structure to need the accurate problem that sets up the stock, accomplishes tightening up of cable and accomplishes the reinforcement through twisting the mode of moving the tensioning screw after fixed stock is accomplished, the operation of reinforcement is comparatively simple and convenient, reduces the technical requirement to reinforcement operating personnel.

Drawings

Fig. 1 is a schematic view of a combination structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a separated state in an embodiment of the present invention;

fig. 3 is a schematic structural view of the right side of the main supporting member according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the left side of the main supporting member according to the embodiment of the present invention;

fig. 5 is a schematic view of the tension screw structure according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a top block according to an embodiment of the present invention.

In the figure: 1. fixing an anchor rod; 2. a limiting shaft; 3. a copper sleeve; 4. sleeving a wheel; 5. a limiting ring; 6. a cable; 7. a main bearing; 701. a side piece; 702. a side hole; 703. a side groove; 704. a threaded hole; 705. a middle piece; 706. a middle threaded hole; 707. a middle through hole; 8. tensioning the screw; 801. an invasive shaft; 9. a fixed pulley; 10. a locking screw; 11. a wheel axle; 12. a top block; 1201. an intrusion path; 1202. a countersunk groove; 13. and a screw in the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a crack reinforcing structure for a road bridge includes a fixing anchor rod 1 connected to a main support 7 through a guy cable 6, the fixing anchor rod 1 is used for fixing on both sides of a crack on a wall and plays a role of connecting a bridge, a threaded hole 704 is formed in the center of the main support 7, a pair of side pieces 701 is respectively disposed at both ends of the main support 7, a pair of middle pieces 705 is disposed above the main support 7, side holes 702 are formed in the side pieces 701, a middle threaded hole 706 is formed in one of the middle pieces 705, a middle through hole 707 is formed in the other middle piece 705, a side groove 703 is formed in the main support 7 between the adjacent side pieces 701, a fixed pulley 9 is disposed between the adjacent side pieces 701, the fixed pulley 9 plays a role of supporting the guy cable 6, an axle 11 is disposed in the fixed pulley 9, a locking screw 10 is disposed in the two middle pieces 705, the locking screw 10 is screwed to enable the main support 7 to clamp the tightening screw 8 to inhibit the rotation of the main support screw 8, a tightening screw 8 is disposed in the threaded hole 704, an end portion of the tightening screw 8 is fixed block 13, a top block 12 is connected to the top block 6, and a tightening block 12, the top block is used for connecting the tightening anchor rod 6, and the tightening block 6, and the top block 1, and the tightening block 1.

Referring to fig. 5 to 6, the screw portion of the tension screw 8 is engaged with the member screw hole 704, the end of the tension screw 8 is provided with an intrusion shaft 801, the top block 12 is internally provided with an intrusion path 1201 and a countersunk groove 1202, the intrusion shaft 801 enters the intrusion path 1201, the block inner screw 13 is positioned in the countersunk groove 1202 and screwed into the intrusion shaft 801, the intrusion shaft 801 and the intrusion path 1201 maintain the relative positions of the tension screw 8 and the top block 12, and the block inner screw 13 restricts the axial positions of the tension screw 8 and the top block 12.

Referring to fig. 1-6, a limiting shaft 2 is fixed in a sheet part at the upper end of a fixed anchor rod 1, the limiting shaft 2 prevents a stay cable 6 from being separated from a groove in the excircle of a sleeve wheel 4, a copper sleeve 3 and a limiting ring 5 for fixing the axial position of the copper sleeve are sleeved outside the fixed anchor rod 1, the sleeve wheel 4 is fixed on the outer portion of the copper sleeve 3, the copper sleeve 3 is matched with the sleeve wheel 4 to enable the stay cable 6 to flexibly slide outside the fixed anchor rod 1, the end portion of the stay cable 6 is annular, the end portion of the stay cable 6 is sleeved in the groove in the excircle of the sleeve wheel 4, the middle portion of the stay cable 6 is located in the groove in the excircle of a fixed pulley 9 and an ejector block 12, and the limiting shaft 2 is adjacent to the excircle of the sleeve wheel 4.

The working principle is as follows:

when the crack reinforcing structure of the road and bridge is used, firstly, fixing anchor rods 1 on two sides are nailed into the bridge on two sides of a crack, then a tensioning screw 8 is screwed by a wrench, a top block 12 at the end part of the tensioning screw 8 is jacked to a U-shaped part of a stay cable 6 through the tensioning screw 8, the fixing anchor rods 1 on two sides are pulled to a main bearing piece 7 along with the continuous screwing of the tensioning screw 8, so that a force resisting the crack of the bridge is generated, a locking screw 10 is screwed after the tension of the stay cable 6 reaches a required position to enable the main bearing piece 7 to clamp the tensioning screw 8, and the position of the current stay cable 6 is kept in a mode of restraining the tensioning screw 8 from rotating;

when more than two fixing anchor rods 1 are used, the inhaul cable 6 adopts a ring-shaped structure, and the ring-shaped inhaul cable 6 is pressed in a groove on the excircle of the sleeve wheel 4 outside the fixing anchor rods 1.

Above, only be the embodiment of the preferred of the utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in the art should be covered within the scope of protection of the utility model in the technical scope disclosed by the utility model, according to the technical scheme of the utility model and the design of the utility model, equivalent replacement or change.

Claims

1. The utility model provides a crack reinforced structure of road and bridge, includes main supporting piece (7) and passes through cable (6) rather than fixed stock (1) of being connected, its characterized in that: the anchor rod is characterized in that a threaded hole (704) is formed in the center of the main supporting piece (7), a pair of side pieces (701) is arranged at each of two ends of the main supporting piece (7), a pair of middle pieces (705) is arranged above the main supporting piece (7), side holes (702) are formed in the side pieces (701), a middle threaded hole (706) is formed in one middle piece (705), a middle through hole (707) is formed in the other middle piece (705), side grooves (703) are formed in the main supporting piece (7) between the adjacent side pieces (701), a fixed pulley (9) is arranged between the adjacent side pieces (701), an axle (11) is arranged in the fixed pulley (9), a locking screw (10) is arranged in each middle piece (10), a tensioning screw (8) is arranged in each threaded hole (704), the end portion of each tensioning screw (8) is rotatably connected with an ejector block (12) through an inner block screw (13), an inhaul cable (6) is arranged between the fixed pulley (9) and the ejector block (12), and two ends of the inhaul cable (6) are connected with the anchor rod (1).

2. The crack reinforcing structure for road and bridge of claim 1, wherein: the two ends of the wheel shaft (11) are fixed inside the side holes (702), and the locking screws (10) penetrate through the middle through holes (707) and enter the middle threaded holes (706).

3. The crack reinforcing structure for road and bridge of claim 1, wherein: the thread part of the tensioning screw rod (8) is meshed with a threaded part hole (704), an invasion shaft (801) is arranged at the end part of the tensioning screw rod (8), an invasion channel (1201) and a countersunk groove (1202) are formed in the top block (12), the invasion shaft (801) enters the invasion channel (1201), and the screw (13) in the block is positioned in the countersunk groove (1202) and screwed into the invasion shaft (801).

4. The crack reinforcing structure for road and bridge of claim 1, wherein: the utility model discloses a fixed stock, including fixed stock (1), flaky part internal fixation has spacing axle (2) on the fixed stock (1), the outside cover of fixed stock (1) is equipped with copper sheathing (3) and fixed its axial position's spacing ring (5), copper sheathing (3) outside cover is established and is fixed with sleeve wheel (4).

5. The crack reinforcing structure for road and bridge of claim 4, wherein: the tip of cable (6) is cyclic annular, the inslot in cover wheel (4) excircle is established to the tip cover of cable (6), cable (6) middle part is located the inslot in fixed pulley (9) and kicking block (12) excircle.

6. The crack reinforcing structure for road and bridge of claim 5, wherein: the limiting shaft (2) is adjacent to the excircle of the sleeve wheel (4).