Concrete laying structure at expansion joint of urban bridge pavement

Abstract

The utility model discloses a concrete laying structure at an expansion joint of an urban bridge pavement, which belongs to the technical field of screening devices, and comprises a pair of expansion joint supporting pieces, anchoring devices are arranged on the side edges of the two expansion joint supporting pieces, and the two expansion joint supporting pieces are arranged on the anchoring devices. The expansion joint supporting piece can be installed and fixed through the structure provided with the supporting bottom piece, the supporting bottom piece and the connecting bolts, then the protection plate is inserted into the upper side of the expansion joint supporting piece, pouring can be directly conducted on the two sides of the expansion joint supporting piece, welding and other operation are not needed, the laying efficiency is high, and the structure is provided with the damping plate, so that the structure is simple, and the cost is low. The upper sides of the expansion joint supporting pieces are effectively prevented from deforming, meanwhile, the size of gaps between the expansion joint supporting pieces is reduced, jolting can be reduced when an automobile runs through the expansion joint supporting pieces, the driving comfort is improved, meanwhile, the automobile can be prevented from being out of control due to jolting, and the driving safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening device, more specifically, relate to a city bridge pavement expansion joint place concrete laying structure. BACKGROUND

[0002] Bridge expansion joint: refers to for satisfying the requirement of bridge deck deformation, usually between two beam ends, beam end and abutment or hinge position of bridge set expansion joint, the setting of expansion joint can guarantee the expansion deformation of structure caused by temperature change, so that the vehicle can smoothly pass through when driving on the bridge deck, and the problems such as skidding, sudden jump, too large noise and vibration do not appear.

[0003] The existing process is, after paving the pavement, cutting the bridge deck pavement, then cleaning the reserved groove and pre-burying the reinforcing steel bar and welding, constructing the pouring groove, then pouring the slow-setting concrete, after the slow-setting concrete initial setting, the fixed frame can be removed to complete the paving of the bridge pavement expansion joint concrete, the traditional setting construction groove needs to set reinforcing steel bar at the expansion joint, and the butt joint position is welded, and the paving is more cumbersome, because there is a certain expansion joint gap, when the vehicle drives through the expansion joint gap, the vehicle will have a certain fluctuation, the driving experience is poor, and in rainy and snowy weather, the high-speed vehicle is suddenly jolted and is easy to skid, which has certain safety hazards. SUMMARY

[0004] The utility model aims at providing a city bridge pavement expansion joint place concrete laying structure to solve the problems in the above background.

[0005] A city bridge pavement expansion joint place concrete laying structure, including a pair of expansion joint support piece, the side of two expansion joint support piece is provided with anchor device, the middle part of expansion joint support piece is provided with shock pad, the downside of shock pad is provided with support bottom part, the both sides of support bottom part are fixedly installed with auxiliary mounting plate, the upside of support bottom part is equipped with the rectangle slot body that corresponds with shock pad;

[0006] The upside of expansion joint support piece is provided with the fender, and the both sides of the upper end of fender are provided with a pair of baffle.

[0007] Further, the fender and the shock pad are fixedly connected through the separation bolt.

[0008] By adopting the above technical scheme, when the shock pad is poured, the separation bolt can be directly removed, so that the shock pad can be left in the expansion joint support piece.

[0009] Further, the anchoring device comprises a plurality of connecting rods fixedly installed on the side edges of the expansion joint support, side edges of the connecting rods are fixedly installed with stabilizers, rear sides of the stabilizers are provided with circular grooves, and front sides of the stabilizers are provided with circular clamping pieces.

[0010] By adopting the above technical scheme, the plurality of stabilizers are connected end to end, the circular clamping piece of the rear stabilizer is clamped in the front circular groove, and if the stabilizer is deformed due to heat after the cement grouting is completed, the connection of the stabilizer is not affected.

[0011] Further, a plurality of connecting screw grooves are equidistantly arranged on the upper middle part of the expansion joint support, a screw groove body corresponding to the connecting screw groove is arranged on the upper side of the auxiliary mounting plate, and the expansion joint support and the auxiliary mounting plate are fixedly connected through connecting bolts.

[0012] By adopting the above technical scheme, in the installation process, the support bottom part is arranged on the bridge base, then the expansion joint support is fixedly connected through the connecting bolts, and the gap reserved between the bridge deck pavement can provide a certain placement space for the device, so that the foundation laying of the pouring structure is completed.

[0013] Further, a pair of limiting pieces are fixedly installed on the side edges of the baffle, a lifting groove is arranged on the position of the baffle, and a square groove corresponding to the baffle is arranged on the upper side of the expansion joint support.

[0014] By adopting the above technical scheme, the limiting piece can slide up and down at the position of the lifting groove, when the baffle is arranged on the expansion joint support, the lower side of the baffle is clamped in the square groove arranged on the upper side of the expansion joint support.

[0015] Further, the damping plate is a hard rubber material member, and the baffle is a metal material member.

[0016] By adopting the above technical scheme, the damping plate can fill the gap between the expansion joints, and at the same time, the expansion joint supports on both sides are supported.

[0017] Compared with the prior art, the advantages of the utility model lie in that:

[0018] 1. In the utility model, the support bottom part and the connecting bolt can be used for installing and fixing the expansion joint support, then the baffle is inserted on the upper side of the expansion joint support, the both sides of the expansion joint support can be directly poured, the baffle can be removed after the cement is preliminarily solidified, the overall expansion joint laying is completed, welding and other operations are not needed, and the laying efficiency is high.

[0019] 2. The utility model discloses, through the structure of shock attenuation board is provided with, set up shock attenuation board between expansion joint support spare, support between expansion joint support spare, effectively prevent the deformation of expansion joint support spare upper side between the size of the gap of expansion joint support spare, the car when driving over expansion joint support spare can reduce the jolt between, increase the comfort of driving, can avoid the car jolt out of control simultaneously, increase the driving safety. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0021] Figure 2 It is the sectional view of the whole structure of the utility model;

[0022] Figure 3 It is the structure of A in the utility model's Figure 2 Enlarged view;

[0023] Figure 4 It is the installation schematic drawing of the utility model's guard board and expansion joint support spare.

[0024] Mark number explanation: 1, connecting rod; 2, round groove; 3, stabilizer; 4, round clamping piece; 5, connecting bolt; 6, auxiliary mounting plate; 7, support bottom piece; 8, baffle; 9, guard board; 901, separation bolt; 10, shock attenuation board; 11, expansion joint support spare; 1101, connecting thread groove; 12, bridge deck pavement; 13, cement grouting; 14, bridge base; 15, limiting piece; 16, lifting groove. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] As shown in Figure 1 - Figure 4 The utility model embodiment provides: including a pair of expansion joint support spare 11, the side of two expansion joint support spare 11 is provided with anchoring device, the middle part of expansion joint support spare 11 is provided with shock attenuation board 10, the downside of shock attenuation board 10 is provided with support bottom piece 7, the both sides of support bottom piece 7 are fixedly installed with auxiliary mounting plate 6, the upside of support bottom piece 7 is set up with the long rectangular groove body of corresponding shock attenuation board 10;

[0027] The upper side of the expansion joint support 11 is provided with a protective plate 9, and a pair of baffle plates 8 are arranged on both sides of the upper end of the protective plate 9;

[0028] The protective plate 9 and the shock-absorbing plate 10 are fixedly connected through separation bolts 901, when the pouring of the shock-absorbing plate 10 is completed, the separation bolts 901 can be directly removed, so that the shock-absorbing plate 10 can be left inside the expansion joint support 11;

[0029] The anchoring device comprises a plurality of connecting rods 1 fixedly installed on the side edges of the expansion joint support 11, the side edges of the connecting rods 1 are fixedly installed with stabilizers 3, the rear side of the stabilizer 3 is provided with a circular groove 2, and the front side of the stabilizer 3 is provided with a circular clamping piece 4; a plurality of stabilizers 3 are connected end to end, and the circular clamping piece 4 of the rear stabilizer 3 is clamped in the front circular groove 2; when the cement grouting 13 is completed, if the stabilizer 3 is deformed due to heat, it will not affect the connection of the stabilizer 3;

[0030] A plurality of connecting threaded grooves 1101 are equidistantly arranged on the upper side of the expansion joint support 11, and a threaded groove body corresponding to the connecting threaded grooves 1101 is arranged on the upper side of the auxiliary mounting plate 6; the expansion joint support 11 and the auxiliary mounting plate 6 are fixedly connected through connecting bolts 5; during installation, the support bottom part 7 is first arranged on the bridge base 14, and then the expansion joint support 11 is fixedly connected through the connecting bolts 5; the gap reserved between the bridge deck pavement 12 can provide a certain placement space for the device, so as to complete the foundation laying of the pouring structure;

[0031] A pair of limiting pieces 15 are fixedly installed on the side edges of the baffle plate 8, a lifting groove 16 is arranged on the position of the baffle plate 8, and a square groove corresponding to the baffle plate 8 is arranged on the upper side of the expansion joint support 11; the limiting piece 15 can slide up and down at the position of the lifting groove 16; when the protective plate 9 is arranged on the expansion joint support 11, the lower side of the baffle plate 8 is clamped in the square groove arranged on the upper side of the expansion joint support 11;

[0032] The shock-absorbing plate 10 is a hard rubber material member, and the protective plate 9 is a metal material member; the shock-absorbing plate 10 can fill the gap between the expansion joints, and at the same time, it can support the expansion joint supports 11 on both sides.

[0033] The utility model discloses a working principle: the installation personnel first sets up the support bottom part 7 at the connecting position of two bridge bases 14, and the bridge deck pavement 12 has reserved the installation space for the device, when the support bottom part 7 sets up, the expansion joint support piece 11 of both sides is fixedly connected through the connecting bolt 5 and the auxiliary installation plate 6, then the shock pad 10 is aligned between the expansion joint support piece 11, and is inserted vertically, until the upper side of the protection plate 9 and the upper side of the expansion joint support piece 11 contact, the upper side of the protection plate 9 is provided with a pair of baffle 8, when the lower side of the baffle 8 and the expansion joint support piece 11 contact, the baffle 8 will rise upward, because the side of the baffle 8 is provided with a pair of limit piece 15, and the limit piece 15 will limit the position of the baffle 8, and the baffle 8 will not completely separate from the protection plate 9, when the shock pad 10 is completely inserted between the expansion joint support piece 11, the baffle 8 separates the space of both sides, and the construction personnel can pour cement on the both sides of the expansion joint support piece 11, and the cement gradually covers the stabilizing piece 3, along with the cement solidification, the connecting rod 1 and the stabilizing piece 3 are fixed in the cement, and the plurality of stabilizing pieces 3 are connected in head and tail, and the rear stabilizing piece 3 is clamped in the front circular groove 2 through the circular clamp 4, when the cement grouting 13 is poured, if the stabilizing piece 3 generates certain deformation by heating, will not affect the connection of the stabilizing piece 3, when the cement is initially shaped, can dismantle the separation bolt 901, and the whole upper protection plate 9 is separated, and the shock pad 10 remains between the expansion joint support piece 11, so the overall expansion joint pavement construction is completed, and the operation such as welding is not needed in the construction process, and the paving efficiency is higher, and simultaneously, the shock pad 10 is arranged between the expansion joint support piece 11, effectively prevents the upper side of the expansion joint support piece 11 from deforming, reduces the size of the gap between the expansion joint support piece 11, reduces the bumping when the automobile drives through the expansion joint support piece 11, increases the driving comfort, can avoid the automobile bumping out of control, and increases the driving safety.

[0034] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A concrete paving structure at an expansion joint of a city bridge pavement, comprising a pair of expansion joint support members (11), characterized in that: Anchoring devices are provided on the sides of the two expansion joint support members (11), a shock absorbing plate (10) is provided in the middle of the expansion joint support member (11), a supporting bottom member (7) is provided on the lower side of the shock absorbing plate (10), auxiliary mounting plates (6) are fixedly installed on both sides of the supporting bottom member (7), and a rectangular groove body corresponding to the shock absorbing plate (10) is provided on the upper side of the supporting bottom member (7); A protective plate (9) is provided on the upper side of the expansion joint support member (11), and a pair of baffle plates (8) are provided on both sides of the upper end of the protective plate (9).

2. The concrete paving structure at the expansion joint of an urban bridge pavement according to claim 1, characterized in that: The protective plate (9) and the shock absorbing plate (10) are fixedly connected by separating bolts (901).

3. The concrete paving structure at the expansion joint of an urban bridge pavement according to claim 1, characterized in that: The anchoring device comprises a plurality of connecting rods (1) fixedly mounted on the side of an expansion joint support member (11); a stabilizing member (3) is fixedly mounted on the side of the connecting rod (1); a circular groove (2) is provided on the rear side of the stabilizing member (3); and a circular clamping member (4) is provided on the front side of the stabilizing member (3).

4. The concrete paving structure at an expansion joint of an urban bridge pavement according to claim 1, characterized in that: A plurality of connecting thread grooves (1101) are equidistantly provided on the middle portion of the upper side of the expansion joint support member (11), and a thread groove body corresponding to the connecting thread groove (1101) is provided on the upper side of the auxiliary mounting plate (6). The expansion joint support member (11) and the auxiliary mounting plate (6) are threadedly fixedly connected via connecting bolts (5).

5. The concrete paving structure at the expansion joint of an urban bridge pavement according to claim 1, characterized in that: A pair of limiting members (15) are fixedly installed on the side of the baffle plate (8), a lifting groove (16) is provided on the protective plate (9) at the position of the baffle plate (8), and a square groove corresponding to the baffle plate (8) is provided on the upper side of the expansion joint support member (11).

6. The concrete paving structure at an expansion joint of an urban bridge pavement according to claim 1, characterized in that: The shock-absorbing plate (10) is a component made of hard rubber, and the protective plate (9) is a component made of metal.

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