Alignment device for mounting prefabricated bridge body and pier

Abstract

The utility model discloses an alignment device for mounting a prefabricated bridge body and a bridge pier, which comprises a guide piece and a limiting rod which are sleeved on the outer sides of a plurality of reinforcing steel bars and are mutually spliced for use, the side wall of the guide piece is provided with a side notch for hooping the reinforcing steel bars at the opposite angles of the bridge pier, and the guide piece is divided into a main sleeve, an auxiliary sleeve and a table sleeve according to functions, a hinge shaft is arranged between the main sleeve and the auxiliary sleeve, and the table sleeve guides the sleeve to slide into the main sleeve. According to the aligning device for installing the prefabricated bridge body and the bridge pier, the four corner sleeves are used for rapid sliding alignment through the gathering function of the inner wall of the table sleeve, reinforcing steel bars in the main sleeve can be conveniently inserted into the sleeves for accurate butt joint, the purpose that the guiding function can be achieved before inserting and assembling is achieved, and the assembling efficiency is improved. Even if the external environment causes certain deviation of the casing pipe, the accurate butt joint of the casing pipe and the reinforcing steel bar is not interfered, the safety of the casing pipe in the using process is guaranteed, and the influence on grouting work is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely related to a kind of alignment device for prefabricated bridge body and pier installation. BACKGROUND

[0002] At present, in the process of bridge erection construction, the installation mode of prefabricated bridge body and on-site assembling pier is often used, which has the functions of shortening construction period, optimizing environmental protection and traffic, etc.

[0003] According to the disclosure (announcement) number: CN220789402U, the disclosure (announcement) day: April 16, 2024, a kind of prefabricated pier of convenient positioning is disclosed.

[0004] In the prior art including the above patent, in the process of assembling pier after prefabricated bridge body, the sleeve at the lower end of the bridge body is inserted and assembled with the reinforcing steel bars at the upper end of the pier, and then mortar is injected into the gap between the two pipes to connect them. However, the gap between the sleeve and the reinforcing steel bars is small, and the hoisting bridge body before docking needs to be kept at a slow speed to achieve accurate results. Therefore, a large amount of construction time is consumed, and the docking process is also easily affected by environmental wind, causing the insertion process to deviate. In severe cases, the sleeve is damaged due to the extrusion of the reinforcing steel bars, affecting the subsequent grouting work, and also causing certain safety interference to the shaped bridge body. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of alignment device for prefabricated bridge body and pier installation, to solve the problems generated above.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] An alignment device for prefabricated bridge body and pier installation, comprising a pier provided with reinforcing steel bars and a bridge body provided with a sleeve, further comprising a guide piece and a limiting rod that are sleeved outside the reinforcing steel bars and are used for mutual assembly;

[0008] The side wall of the guide piece is provided with a side notch that holds the reinforcing steel bars at the opposite corners of the pier, and the guide piece is divided into a main sleeve, a secondary sleeve and a table sleeve according to function.

[0009] The table sleeve guides the sleeve to slide into the main sleeve, and the hinge shaft is driven by the sleeve and unlocked to deflect the main sleeve.

[0010] Preferably, a plurality of elastic members are fixedly installed in the main sleeve in a staggered arrangement, and the curved end of the elastic member is fixedly installed with a trigger head that slides against the inner wall of the main sleeve.

[0011] Preferably, the limiting rod is fixedly installed with a hinge joint at one end of the hinge shaft, and the other end is provided with a hole end that is in abutment.

[0012] Preferably, a limiting member is movably provided in the hinge shaft, and a plug that is plugged into the socket end is fixedly installed at the end of the limiting member.

[0013] Preferably, the plug is fixedly installed with a stop block that fits into the closing position of the main sleeve and the secondary sleeve.

[0014] Preferably, the limiting member has an inclined surface that slides against the trigger head.

[0015] Preferably, the limiting member is also fixedly installed with a platform that resists the sliding of the reinforcing bar.

[0016] Preferably, a spring is fixedly installed between the limiting member and the hinge shaft.

[0017] Preferably, the elastic element is an elastic metal sheet.

[0018] Preferably, the trigger head is a rigid metal rod.

[0019] In the above technical solution, the alignment device for installing precast bridge bodies and piers provided by this utility model has the following beneficial effects: by using the gathering function of the inner wall of the four corner sleeves to quickly slide and align, it is convenient for the steel bars in the main sleeve to be inserted into the sleeves for precise docking, so as to achieve the purpose of having a guiding function before insertion and assembly. Even if the external environment causes the sleeve to deviate to a certain extent, it will not interfere with the precise docking of the sleeve and the steel bars, ensuring the safety of the sleeve during use and avoiding the impact on grouting work. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 An exploded view of the bridge body and the bridge pier equipped with guide components provided for an embodiment of this utility model;

[0022] Figure 2 This is a schematic diagram of the assembly of the guide member and the limiting rod provided in an embodiment of the present utility model;

[0023] Figure 3 A schematic cross-sectional view of the assembly positions of the single guide member and the limiting rod at both ends provided in an embodiment of this utility model;

[0024] Figure 4 for Figure 3 Enlarged diagram of point A.

[0025] Reference numerals:

[0026] 1, pier; 11, reinforcing bar; 2, bridge body; 21, sleeve; 3, guide; 30, side notch; 31, main sleeve; 32, auxiliary sleeve; 33, table sleeve; 34, hinge shaft; 341, limiting piece; 342, plug; 343, abutment; 344, inclined surface; 345, table surface; 4, limiting rod; 41, hinge; 42, insertion hole end; 5, elastic piece; 51, trigger head. DETAILED DESCRIPTION

[0027] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0028] As Figures 1-4 shown, a kind of prefabricated bridge body and pier installation alignment device, including the pier 1 being provided with reinforcing bar 11 and the bridge body 2 being provided with sleeve 21, further including the guide 3 and limiting rod 4 being sleeved to the outside of multiple reinforcing bars 11, and being mutually assembled for use;

[0029] Side wall of guide 3 is provided with side notch 30 of hoop located at diagonal reinforcing bar 11 of pier 1, and guide 3 is divided into main sleeve 31, auxiliary sleeve 32 and table sleeve 33 according to function, and hinge shaft 34 is arranged between main sleeve 31 and auxiliary sleeve 32;

[0030] Table sleeve 33 guides sleeve 21 to slide into main sleeve 31, and hinge shaft 34 is driven and unlocked main sleeve 31 deflection by sleeve 21.

[0031] Specifically, reinforcing bar 11 is arranged equidistantly in square, and four guides 3 and four limiting rods 4 after assembly form square hoop to the outside of reinforcing bar 11, and reinforcing bar 11 on four corners enters guide 3 from side notch 30.

[0032] Further, the cross section of table sleeve 33 is inverted-taishang, and the port of side notch 30 is towards the axis of pier 1, so that sleeve 21 will not deviate outward during butt joint sliding process, also facilitate to be buckled into assembly with reinforcing bar 11, and auxiliary sleeve 32 after assembly is abutted to the upper end surface of pier 1, so as to facilitate subsequent removal of guide 3.

[0033] Further, limiting rod 4 is specifically metal rod, and is transversely arranged between adjacent guides 3.

[0034] The four corner sleeves 21 are quickly slid and aligned by the gathering function of the inner wall of the table sleeve 33, the steel bars 11 in the main sleeve 31 are inserted into the sleeves 21 to realize accurate butt joint, the purpose of having a guiding function before insertion and assembly is achieved, even if the sleeves 21 are offset by the external environment, the accurate butt joint of the sleeves 21 and the steel bars 11 is not disturbed, the safety of the sleeves 21 in use is ensured, the influence on the grouting work is avoided, and the sleeves 21 after butt joint are unlocked to make the main sleeve 31 reset and rotate on the secondary sleeve 32, the purpose is to rotate the table sleeve 33 away from the lower end face of the bridge body 2, so as to avoid interference with the installation of the bridge body 2 and ensure the original assembly process of the bridge body 2.

[0035] As a further provided embodiment of the utility model, a plurality of elastic members 5 are fixedly installed in the main sleeve 31 and arranged in a staggered manner, and a trigger head 51 is fixedly installed at the curved end of the elastic member 5 and slides against the inner wall of the main sleeve 31.

[0036] Specifically, the cross section of the elastic member 5 is in the shape of a hanging water droplet, and the purpose is to reduce the difficulty of inserting the sleeve 21 from the upper end face, and the lower end face does not interfere with the feeding of the steel bar 11 from the side notch 30.

[0037] The elastic member 5 provides a buffering anti-shaking effect of the assembled guide piece 3, and the trigger head 51 with a rubber sleeve can also be energy-absorbing, avoiding deviation when the sleeve 21 is butt jointed, and the guide piece 3 can be assembled on the steel bar 11 for a long time, and the assembled guide piece 3 and the limiting rod 4 still do not need to be disassembled when the construction needs to be temporarily suspended in extreme weather, thereby ensuring the construction recovery efficiency.

[0038] As another further provided embodiment of the utility model, a hinge head 41 rotating on the end of the hinge shaft 34 is fixedly installed at one end of the limiting rod 4, and the other end is provided with a plug hole end 42 for abutting cooperation.

[0039] Specifically, the hinge-mounted hinge head 41 provides a connection between the limiting rod 4 and the guide piece 3, so that after the four-square clamp is unlocked, a single guide piece 3 can be used together with a single limiting rod 4, and the purpose is to occupy less space after disassembly and be easier to transport.

[0040] The hinge head 41 with horizontal rotation can make the operation space larger when the guide piece 3 is assembled and used, and the assembly is more convenient, and the limiting rod 4 has a simple overall structure and can also have a protection effect on multiple steel bars 11.

[0041] As another further provided embodiment of the utility model, a limiting member 341 is movably arranged in the hinge shaft 34, and a plug 342 is fixedly installed at the end of the limiting member 341 and is in plug-in cooperation with the plug hole end 42.

[0042] Specific, hinge shaft 34 is provided with a chamber for the horizontal movement of the limiting member 341, and the chamber is provided with a plurality of holes communicating with the outside, the purpose is to extend the plurality of parts, facilitate the adaptation of each component use.

[0043] By moving the plug 342 from the plug end 42, the limiting rod 4 is separated from the adjacent guide 3, so that the guide 3 under the pressure is forced to fall down and stay in the gap between the pier 1 and the bridge body 2, or fall down to the ground, and the artificial recycling mode is adopted, so that the guide 3 and the limiting rod 4 are repeatedly used, the use cost and the construction efficiency are reduced.

[0044] As a further embodiment of the utility model further provides, the plug 342 is fixedly installed with the abutting block 343 embedded in the closed part of the main sleeve 31 and the auxiliary sleeve 32.

[0045] Specifically, the abutting block 343 and the plug 342 are fixedly installed with the sliding block sliding on the hinge shaft 34, so that the abutting block 343 outside the hinge shaft 34 can realize the unlocking function.

[0046] Further, the hinge shaft 34 is provided with a torsional spring (material and installation mode are prior art, not described here), and the torsional spring keeps the main sleeve 31 and the auxiliary sleeve 32 perpendicular in the default state.

[0047] By moving the plug 342 to drive the abutting block 343 to separate from the main sleeve 31 and the auxiliary sleeve 32, and the abutting block 343 reaches the opening inside the hinge closed part of the main sleeve 31, that is, moving towards the axis of the guide 3, so that the two restore the default state, the purpose is to fold the main sleeve 31 downwardly, to adapt to the bridge body 2, and to avoid the bridge body 2 to cause the main sleeve 31 and the sleeve 33 to be pressed, to ensure the safety of the guide 3.

[0048] As a further embodiment of the utility model further provides, the limiting member 341 is provided with an inclined surface 344 abutting the trigger head 51.

[0049] By the deformation of the lowermost elastic member 5, the trigger head 51 is abutted and slides on the inclined surface 344, the limiting member 341 is driven to move horizontally, the stability of the parts is ensured, and the trigger mode is simple and efficient.

[0050] As a further embodiment of the utility model further provides, the limiting member 341 is further fixedly installed with the table surface 345 abutting the steel bar 11.

[0051] Specifically, the table surface 345 makes the end of the limiting member 341 present a horizontal table block, and the hinge shaft 34 is provided with a notch exposing the table surface 345, so as to provide sufficient contact surface for the table surface 345 and the steel bar 11.

[0052] The horizontal moving table 345 actively interferes with the steel bars 11 side walls, and the force generated by the table 345 is reacted on the whole guide 3, so as to promote the guide 3 to receive a boost force, so as to separate the guide 3 from the butted steel bars 11 and sleeve 21, and use the side notch 30 to facilitate the mutual unlocking and laying down of the guide 3, so as to be collected by the staff.

[0053] As further provided in another embodiment of the utility model, a spring is fixedly installed between the limiting piece 341 and the hinge shaft 34.

[0054] Specifically, the limiting piece 341 is fixedly installed with a protrusion connected with one end of the spring, and the other end of the spring is fixedly connected with the protrusion in the chamber, so as to facilitate the spring to store energy for unlocking work.

[0055] By pressing the plug 342, the spring can be compressed, facilitating the assembly and use of the guide 3 and the limiting rod 4, and the spring is reset after assembly to perform locking work, so that the mechanical connection mode improves the stability and safety of the use of the parts.

[0056] As further provided in another embodiment of the utility model, the elastic piece 5 is specifically an elastic metal sheet.

[0057] The elastic metal sheet is used to make the trigger head 51 move obviously under the extrusion force, and can also quickly absorb energy, ensuring the safety of the guide 3.

[0058] As further provided in another embodiment of the utility model, the trigger head 51 is specifically a hard metal rod.

[0059] The metal rod trigger head 51 of common material can make the assembly of the guide 3 and the limiting rod 4 more stable, and also more corrosion-resistant and wear-resistant, improving the safety and service life of the parts.

[0060] Working principle: the lower end of the sleeve 21 first contacts the table sleeve 33 and slides into the main sleeve 31, so that the four corner sleeve 21 can quickly slide and align by using the gathering function of the inner wall of the table sleeve 33, facilitating the insertion of the steel bars 11 in the main sleeve 31 into the sleeve 21 for precise butt joint, achieving the purpose of having a guide function before plug-in assembly, and the butted sleeve 21 is unlocked to make the main sleeve 31 reset and rotate on the secondary sleeve 32, the purpose is to rotate the table sleeve 33 away from the lower end surface of the bridge body 2, avoiding interference with the installation of the bridge body 2, and the plug 342 under movement drives the abutting block 343 to separate from the main sleeve 31 and the secondary sleeve 32, and the abutting block 343 reaches the opening inside the hinge closed part of the main sleeve 31, that is, moving towards the axis of the guide 3, so that the two restore the default state, the purpose is to fold the main sleeve 31 downwardly, so as to adapt to the lowered bridge body 2, and also avoid the bridge body 2 to press the main sleeve 31 and the table sleeve 33.

[0061] Certain exemplary embodiments of this application are described herein by way of illustration, and not limitation, and it is to be understood that the application can be carried out with modifications in various forms within the spirit and scope of the application, as those having ordinary skill in the art with the benefit of this disclosure would understand them. Therefore, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Claims

1. An alignment device for installing a prefabricated bridge body and a bridge pier, comprising a bridge pier (1) provided with reinforcing bars (11) and a bridge body (2) provided with a sleeve (21), characterized in that, The utility model also comprises guiding pieces (3) and limiting rods (4) which are sleeved outside the plurality of steels (11) and are used in mutual assembly; Side notches (30) for embracing hoops are formed in side walls of the guiding pieces (3) and are located at diagonal steels (11) of the pier (1); the guiding pieces (3) are divided into main sleeves (31), auxiliary sleeves (32) and table sleeves (33) according to functions; the main sleeves (31) and the auxiliary sleeves (32) are provided with hinged shafts (34) therebetween; The table sleeves (33) guide the sleeve pipes (21) to slide into the main sleeves (31) and drive the hinged shafts (34) to be in contact with the sleeve pipes (21) and to be unlocked to deflect the main sleeves (31).

2. The alignment device for mounting a precast bridge body and a pier according to claim 1, characterized in that, A plurality of elastic pieces (5) which are arranged in a staggered mode are fixedly installed in the main sleeves (31); curved end portions of the elastic pieces (5) are fixedly installed with trigger heads (51) which slide on inner walls of the main sleeves (31).

3. The alignment device for mounting a precast bridge body and pier according to claim 2, wherein One end of the limiting rod (4) is fixedly installed with a hinged head (41) which rotates at an end portion of the hinged shaft (34); the other end is provided with a plug-in hole end (42) which is in contact with the hinged head (41).

4. The alignment device for mounting a precast bridge body and a pier according to claim 3, characterized in that, The hinged shaft (34) is movably provided with a limiting piece (341); an end portion of the limiting piece (341) is fixedly installed with a plug (342) which is in plug-in cooperation with the plug-in hole end (42).

5. The alignment device for mounting a precast bridge and pier according to claim 4, wherein The plug (342) is fixedly installed with a resisting block (343) which is embedded in a closed portion of the main sleeve (31) and the auxiliary sleeve (32).

6. The alignment device for mounting a precast bridge and pier according to claim 4, wherein The limiting piece (341) is provided with an inclined surface (344) which is in contact with the trigger head (51).

7. The alignment device for mounting a precast bridge and pier according to claim 4, wherein The limiting piece (341) is further fixedly installed with a table surface (345) which is in contact with the steel (11).

8. The alignment device for mounting a precast bridge and pier according to claim 4, wherein The limiting piece (341) and the hinged shaft (34) are fixedly installed with a spring.

9. The alignment device for mounting a precast bridge and pier according to claim 6, wherein The elastic piece (5) is specifically an elastic metal sheet.

10. The alignment device for mounting a precast bridge and pier according to claim 6, wherein The trigger head (51) is specifically a hard metal rod.

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