Leveling device and leveling system for bridge base replacement

By designing a leveling device for bridge base, the height adjustment of the upper support plate is realized by using the movable connection of the height adjustment component, the problem of low leveling efficiency of replacing prefabricated stones in the prior art is solved, and the bridge base is improved Replacement leveling efficiency and stability.

CN222362378UActive Publication Date: 2025-01-17Wuhan City Ring Operation and Maintenance Construction Group Co., Ltd.
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Patent Information

Application Number
CN202420390685.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-01-17
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

In the prior art, the efficiency of replacing prefabricated stones for bridge base leveling is low, and rework is required after leveling, which affects construction efficiency.

Method used

A leveling device including a lower support plate, an upper support plate and a height adjustment assembly was designed. Through the movable connection of the height adjustment assembly, the height adjustment of the upper support plate is realized, instead of the traditional replacement of the prefabricated mattress stone, which improves the leveling of the Leveling efficiency.

Benefits of technology

Through this device, the mattress and rubber support can be quickly leveled, which improves construction efficiency, avoids rework, ensures the close fit and stability of the mattress and support, and enhances the stability of the leveling device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leveling device and a leveling system for bridge base replacement, and relates to the technical field of bridge construction.The leveling device for bridge base replacement comprises a lower supporting plate, an upper supporting plate and a plurality of height adjusting assemblies, the lower supporting plate is used for being fixed to a bridge pier, and the upper supporting plate is used for being fixed to the bridge pier; the upper supporting plate is used for supporting a padstone and a rubber cushion block, each height adjusting assembly is arranged between the lower supporting plate and the upper supporting plate, the lower end of each height adjusting assembly is movably connected with the lower supporting plate, and the upper end of each height adjusting assembly is movably connected with the upper supporting plate. The upper supporting plate is leveled through the multiple height adjusting assemblies. The bridge foundation support leveling device can replace a traditional mode that a prefabricated padstone is replaced for leveling, the upper supporting plate is leveled through the height adjusting assembly, and the leveling efficiency when the bridge foundation support is replaced is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a leveling device and a leveling system for replacing a bridge foundation. Background Art

[0002] In bridge reinforcement and maintenance construction, it is often necessary to replace the bearings. After the bearings are replaced, the square can be adjusted to lower the beams into their original positions.

[0003] In the prior art, leveling is performed by installing prefabricated pads and replacing rubber pads, including pouring bottom supports, installing prefabricated pads, and replacing steel supports and rubber pads. In addition, the overall balance of the beam needs to be maintained during the beam-dropping process after leveling. After the beam is dropped, if there is an uneven plate, low fit between the support and the plate, and abnormalities around the support, rework is required to replace the threshold pads for leveling. However, the prior art uses replacement of prefabricated pads for leveling, and the leveling efficiency is low. Utility Model Content

[0004] The embodiment of the utility model provides a leveling device and a leveling system for replacing a bridge foundation, so as to solve the technical problem of low leveling efficiency in the related art when replacing prefabricated cushion stones for leveling.

[0005] In a first aspect, a leveling device for replacing a bridge foundation is provided, comprising:

[0006] A lower support plate, wherein the lower support plate is used to be fixed on the bridge pier;

[0007] An upper support plate, the upper support plate is used to support the cushion stone and the rubber cushion block;

[0008] Multiple height adjustment components, each of which is arranged between the lower support plate and the upper support plate, the lower end of each height adjustment component is movably connected to the lower support plate, and the upper end is movably connected to the upper support plate. When the bridge base is replaced, the upper support plate is leveled by the multiple height adjustment components.

[0009] In some embodiments, each of the height adjustment components comprises:

[0010] Bolts, the upper support plate is provided with a plurality of threaded through holes corresponding to each of the height adjustment components, one end of the screw rod of the bolt away from the head passes downward through the threaded through hole on the upper support plate, and the bolt is movably connected to the upper support plate;

[0011] A first nut is sleeved on the outer periphery of the bolt, and the first nut is movably connected to the upper support plate.

[0012] In some embodiments, each of the bolts is a hexagonal bolt.

[0013] In some embodiments, each of the bolts is made of SWRC35K material.

[0014] In some embodiments, each of the height adjustment components further comprises:

[0015] A second nut, wherein the second nut is disposed on the lower support plate, and the second nut is movably connected to the screw rod of the bolt.

[0016] In some embodiments, the second nut is welded to the lower support plate.

[0017] In some embodiments, the number of the height adjustment components is four.

[0018] In some embodiments, the lower support plate and the upper support plate are both square steel plates.

[0019] In some embodiments, the square steel plate is made of Q355C.

[0020] In a second aspect, a leveling system for replacing a bridge foundation is provided, comprising the aforementioned leveling device for replacing a bridge foundation.

[0021] The beneficial effects brought by the technical solution provided by the utility model include:

[0022] The embodiment of the utility model provides a leveling device and a leveling system for replacing a bridge foundation, wherein the leveling device for replacing a bridge foundation is provided with a lower support plate, an upper support plate and a plurality of height adjustment components, wherein the lower support plate is used to be fixed on a bridge pier, the upper support plate is used to support a cushion stone and a rubber pad, and a plurality of height adjustment components, each of which is provided between the lower support plate and the upper support plate, the lower end of each height adjustment component is movably connected to the lower support plate, and the upper end is movably connected to the upper support plate, and when replacing the bridge foundation, the upper support plate is leveled by the plurality of height adjustment components. The utility model can replace the traditional replacement of prefabricated cushion stones for leveling, thereby improving the leveling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A schematic elevation view of a leveling device for replacing a bridge foundation provided by an embodiment of the utility model;

[0025] Figure 2 A schematic top view of a leveling system for replacing a bridge foundation provided by an embodiment of the utility model;

[0026] Reference numerals:

[0027] 1. Lower support plate;

[0028] 2. Upper support plate; 21. Threaded through hole;

[0029] 3. Height adjustment assembly; 31. Bolt; 311. Head; 312. Screw rod; 32. First nut; 33. Second nut. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The embodiment of the utility model provides a leveling device for replacing a bridge foundation, which can solve the technical problem of low leveling efficiency during the existing leveling process of replacing prefabricated cushion stones.

[0032] See also Figure 1 As shown, an embodiment of the utility model provides a leveling device for replacing a bridge foundation, comprising a lower support plate 1, an upper support plate 2 and a plurality of height adjustment components 3.

[0033] The lower support plate 1 is used to be fixed on the bridge pier to increase the force-bearing area and support. The upper support plate 2 is used to support the pad stone and the rubber pad. The lower support plate 1 and the upper support plate 2 constitute the main body of the leveling device. Each of the height adjustment components 3 is arranged between the lower support plate 1 and the upper support plate 2. The lower end of each height adjustment component 3 is movably connected to the lower support plate 1, and the upper end is movably connected to the upper support plate 2. When the bridge foundation is replaced, the height of the upper support plate 2 is adjusted by using multiple height adjustment components 3. After leveling, steel bars are set and concrete is poured, which avoids rework and improves the leveling efficiency.

[0034] The leveling device for replacing a bridge foundation according to an embodiment of the utility model is provided with a lower support plate 1, an upper support plate 2 and a plurality of height adjustment components 3. When replacing a support, the original support is removed and the bottom is leveled. After the bottom is leveled, the lower support plate 1, the upper support plate 2 and the plurality of height adjustment components 3 are installed. After installation, a cushion stone and a rubber support are installed on the upper support plate 2. The height adjustment component 3 is fine-tuned for rapid leveling, so that the cushion stone and the rubber support are tightly fitted to the upper support plate 2, the force is evenly distributed, the stability is high, and the leveling efficiency is improved.

[0035] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 2 As shown, each of the height adjustment components 3 is provided with a bolt 31 and a first nut 32, and the upper support plate 2 is provided with a plurality of threaded through holes 21 corresponding to the plurality of height adjustment components 3, and the screw rod 312 of each bolt 31 passes downward through the corresponding threaded through hole 21, and the bolt 31 is connected to the upper support plate 2, and the first nut 32 is sleeved on the outer periphery of the screw rod 312 of the bolt 31. After leveling, the first nut 32 is screwed to the bottom of the upper support plate 2 to improve the stability of the upper support plate 2, and the tightening position can be welded, and the leveling device is supported by a formwork, and vibrated and compacted after pouring to prevent gaps in the leveling device. The bolt and the first nut are used in combination to quickly level and enhance the stability of the leveling device.

[0036] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 2 As shown, each of the bolts 31 is a hexagonal bolt. The hexagonal bolt has a large pre-tightening contact area, a large pre-tightening force, a good self-locking performance, and a wider range of full-thread lengths. The use of hexagonal bolts can improve the stability of the leveling device.

[0037] As an optional implementation, in a utility model embodiment, each of the bolts 31 is made of SWRC35K material. The SWRC35K material has a tight internal structure, good product mechanical properties and high dimensional accuracy. The use of bolts made of this material improves the stability of the leveling device.

[0038] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, each height adjustment assembly 3 is also provided with a second nut 33, and the second nut 33 is arranged on the lower support plate 1. The second nut 33 is movably connected to the screw rod 312 of the bolt 31, and the second nut 33 provides a certain rotation adjustment space for the bolt 31. During installation, the bolt 31 on the upper support plate 2 is aligned with the second nut 33 on the lower support plate 1, and the bolt 31 is rotated to perform leveling and fixing. The second nut 33 provides adjustment space for the leveling device to improve the leveling efficiency.

[0039] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the second nut 33 is welded to the lower support plate 1 , and a second nut 33 corresponding to each bolt 31 is welded on the lower support plate 1 , and a welding connection method is adopted to improve the stability of the leveling device.

[0040] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the number of the height adjustment components 3 is four, and the four height adjustment components 3 are arranged in two rows and two columns and are provided on the upper support plate 2. The two-row and two-column arrangement array enhances the stability of the leveling device. During the leveling process, the four height adjustment components 3 in the two-row and two-column array can temporarily support the load of the bridge, thereby enhancing the stability of the leveling device.

[0041] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the lower support plate 1 and the upper support plate 2 are both square steel plates, and the shape of the square steel plates matches the shapes of the piers, cushion stones and rubber pads, which is convenient for pouring.

[0042] As an optional implementation, in a utility model embodiment, the square steel plate is made of Q355C material. Q355C has high strength, high toughness, and strong fatigue and impact resistance, which improves the stability of the leveling device.

[0043] An embodiment of the utility model also provides a leveling system for replacing a bridge foundation, including the aforementioned leveling device for replacing a bridge foundation, wherein the leveling device for replacing a bridge foundation includes a lower support plate 1, an upper support plate 2 and a plurality of height adjustment components 3.

[0044] The lower support plate 1 is used to be fixed on the bridge pier to increase the force-bearing area and support. The upper support plate 2 is used to support the pad stone and the rubber pad. The lower support plate 1 and the upper support plate 2 constitute the main body of the leveling device. Each of the height adjustment components 3 is arranged between the lower support plate 1 and the upper support plate 2. The lower end of each height adjustment component 3 is movably connected to the lower support plate 1, and the upper end is movably connected to the upper support plate 2. When the bridge foundation is replaced, the height of the upper support plate 2 is adjusted by using multiple height adjustment components 3. After leveling, steel bars are set and concrete is poured, which avoids rework and improves the leveling efficiency.

[0045] The leveling device for replacing a bridge foundation according to an embodiment of the utility model is provided with a lower support plate 1, an upper support plate 2 and a plurality of height adjustment components 3. When replacing a support, the original support is removed and the bottom is leveled. After the bottom is leveled, the lower support plate 1, the upper support plate 2 and the plurality of height adjustment components 3 are installed. After installation, a cushion stone and a rubber support are installed on the upper support plate 2. The height adjustment component 3 is fine-tuned for rapid leveling, so that the cushion stone and the rubber support are tightly fitted to the upper support plate 2, the force is evenly distributed, the stability is high, and the leveling efficiency is improved.

[0046] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 2 As shown, each of the height adjustment components 3 is provided with a bolt 31 and a first nut 32, and the upper support plate 2 is provided with a plurality of threaded through holes 21 corresponding to the plurality of height adjustment components 3, and the screw rod 312 of each bolt 31 passes downward through the corresponding threaded through hole 21, and the bolt 31 is connected to the upper support plate 2, and the first nut 32 is sleeved on the outer periphery of the screw rod 312 of the bolt 31. After leveling, the first nut 32 is screwed to the bottom of the upper support plate 2 to improve the stability of the upper support plate 2, and the tightening position can be welded, and the leveling device is supported by a formwork, and vibrated and compacted after pouring to prevent gaps in the leveling device. The bolt and the first nut are used in combination to quickly level and enhance the stability of the leveling device.

[0047] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 2 As shown, each of the bolts 31 is a hexagonal bolt. The hexagonal bolt has a large pre-tightening contact area, a large pre-tightening force, a good self-locking performance, and a wider range of full-thread lengths. The use of hexagonal bolts can improve the stability of the leveling device.

[0048] As an optional implementation, in a utility model embodiment, each of the bolts 31 is made of SWRC35K material. The SWRC35K material has a tight internal structure, good product mechanical properties and high dimensional accuracy. The use of bolts made of this material improves the stability of the leveling device.

[0049] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, each height adjustment assembly 3 is also provided with a second nut 33, and the second nut 33 is arranged on the lower support plate 1. The second nut 33 is movably connected to the screw rod 312 of the bolt 31, and the second nut 33 provides a certain rotation adjustment space for the bolt 31. During installation, the bolt 31 on the upper support plate 2 is aligned with the second nut 33 on the lower support plate 1, and the bolt 31 is rotated to perform leveling and fixing. The second nut 33 provides adjustment space for the leveling device to improve the leveling efficiency.

[0050] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the second nut 33 is welded to the lower support plate 1 , and a second nut 33 corresponding to each bolt 31 is welded on the lower support plate 1 , and a welding connection method is adopted to improve the stability of the leveling device.

[0051] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the number of the height adjustment components 3 is four, and the four height adjustment components 3 are arranged in two rows and two columns and are provided on the upper support plate 2. The two-row and two-column arrangement array enhances the stability of the leveling device. During the leveling process, the four height adjustment components 3 in the two-row and two-column array can temporarily support the load of the bridge, thereby enhancing the stability of the leveling device.

[0052] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the lower support plate 1 and the upper support plate 2 are both square steel plates, and the shape of the square steel plates matches the shapes of the piers, cushion stones and rubber pads, which is convenient for pouring.

[0053] As an optional implementation, in a utility model embodiment, the square steel plate is made of Q355C material. Q355C has high strength, high toughness, and strong fatigue and impact resistance, which improves the stability of the leveling device.

[0054] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0055] It should be noted that, in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0056] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features of the present invention.

Claims

1. A leveling device for replacing a bridge foundation, characterized in that: include: A lower support plate (1), the lower support plate (1) being used for being fixed on a bridge pier; An upper support plate (2), the upper support plate (2) being used to support the cushion stone and the rubber cushion block; A plurality of height adjustment components (3), each of the height adjustment components (3) being arranged between the lower support plate (1) and the upper support plate (2), the lower end of each of the height adjustment components (3) being movably connected to the lower support plate (1), and the upper end of each of the height adjustment components (3) being movably connected to the upper support plate (2); when the bridge foundation is replaced, the upper support plate (2) is leveled by means of the plurality of height adjustment components (3); Each of the height adjustment components (3) comprises: A bolt (31), wherein the upper support plate (2) is provided with a plurality of threaded through holes (21) corresponding to each of the height adjustment components (3), and an end of the screw rod (312) of the bolt (31) away from the head (311) passes downward through the threaded through hole (21) on the upper support plate (2), and the bolt (31) is movably connected to the upper support plate (2); A first nut (32), wherein the first nut (32) is sleeved on the outer periphery of the bolt (31), and the first nut (32) is movably connected to the upper support plate (2).

2. The leveling device for bridge foundation replacement according to claim 1, characterized in that: Each of the bolts (31) is a hexagonal bolt.

3. The leveling device for bridge foundation replacement according to claim 1, characterized in that: Each of the bolts (31) is made of SWRC35K material.

4. The leveling device for bridge foundation replacement according to claim 3, characterized in that: Each of the height adjustment components (3) further comprises: A second nut (33), wherein the second nut (33) is arranged on the lower support plate (1), and the second nut (33) is movably connected to the screw rod (312) of the bolt (31).

5. The leveling device for bridge foundation replacement according to claim 4 is characterized in that: The second nut (33) is welded to the lower support plate (1).

6. The leveling device for bridge foundation replacement according to claim 1, characterized in that: The number of the height adjustment components (3) is four.

7. The leveling device for bridge foundation replacement according to claim 1, characterized in that: The lower support plate (1) and the upper support plate (2) are both square steel plates.

8. The leveling device for bridge foundation replacement according to claim 7, characterized in that: The square steel plate is made of Q355C material.

9. A leveling system for bridge foundation replacement, characterized in that: A leveling device for replacing a bridge foundation comprising the leveling device described in any one of claims 1 to 8.