Auxiliary installation device and construction method of damper of water steel beam

Abstract

The present invention discloses an auxiliary installation device for a damper of a water steel beam and a construction method thereof, comprising: a plurality of supporting slings, the upper ends of the supporting slings are fixedly connected to the bottom of the water steel beam, and the plurality of supporting slings are arranged along the outer edge of the installation position of the damper; a locking plate, which is adjustable in position to the supporting slings; a pulley assembly, comprising a base, a pulley and a sling, the lower end of each supporting sling is connected to the base by a ball joint, the pulley is rotatably installed on the base, the sling is wound around the pulley, one end of the sling is connected to the damper, the damper is lifted upward by pulling the other end of the sling so that one end of the sling is lifted upward, and after the connecting ear plate of the damper is attached to the bottom of the water steel beam, the position of the locking plate is adjusted so that the locking plates on the plurality of supporting slings are supported on the connecting ear plate. The present invention solves the problem that the damper is installed at the bottom of the water steel beam of the existing bridge, and the damper cannot be directly hoisted and installed in place by using lifting equipment, resulting in low installation and construction efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to an auxiliary installation device for a damper of an overwater steel beam and a construction method thereof. Background Art

[0002] During the construction of bridges, it is often necessary to cross rivers. In order to ensure the beautiful appearance and meet the requirements of the city for landscape, modern bridges adopt various structures, among which steel bridges are widely used. Generally, the bottom of the steel beam is connected and reinforced with the cap beam of the pier column through a damper. When welding the connecting ear plate of the damper at the bottom of the beam, the bottom clearance of the beam is small, the connecting ear plate of the damper is heavy, and the lifting equipment cannot directly lift the connecting ear plate to the bottom of the beam and fit it with the bottom of the beam, which brings inconvenience to the welding construction of the construction workers.

[0003] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0004] In order to overcome the defects of the prior art, an auxiliary installation device and a construction method of a damper for a water steel beam are provided to solve the problem that the damper is installed at the bottom of the water steel beam of the existing bridge, and the damper cannot be directly hoisted into place and installed using lifting equipment, resulting in low installation and construction efficiency.

[0005] In order to achieve the above object, an auxiliary installation device for a damper of a water steel beam is provided, comprising:

[0006] A plurality of supporting slings, the upper ends of which are fixedly connected to the bottom of the above-water steel beam, and the plurality of supporting slings are arranged along the outer edge of the installation position of the damper;

[0007] A locking plate, mounted on the supporting column in an adjustable manner;

[0008] The pulley assembly includes a base, a pulley and a sling. The lower end of each supporting sling is connected to the base by a ball joint. The pulley is rotatably installed on the base. The sling is wound around the pulley. One end of the sling is connected to the damper. The damper is lifted upward by pulling the other end of the sling so that one end of the sling is lifted upward. After the connecting ear plate of the damper is attached to the bottom of the above-water steel beam, the position of the locking plate is adjusted so that the locking plates on the multiple supporting slings are supported on the connecting ear plate.

[0009] Furthermore, the locking plate is provided with a through hole, the supporting post can be movably inserted into the through hole, the supporting post is formed with an external thread, the supporting post is screwed with a supporting member, the supporting member is supported by the locking plate, and a spring gasket is provided between the locking plate and the bottom of the above-water steel beam.

[0010] Furthermore, the support member is provided with a threaded hole, and the threaded hole of the support member is screwed into the upper end of the supporting column.

[0011] Furthermore, a through slot is provided at the lower portion of the base, and the pulley is rotatably installed in the through slot.

[0012] Furthermore, it also includes a driving motor, which is installed on the ground. The output end of the driving motor is coaxially connected to a drum, and the other end of the sling is wound around the drum.

[0013] The present invention provides a construction method of an auxiliary installation device of a damper of an above-water steel beam, comprising the following steps:

[0014] Connecting one end of a sling of a plurality of pulley assemblies supported on a davit to a damper;

[0015] Pulling the other end of the sling to cause one end of the sling to lift the damper upward;

[0016] After the connecting ear plate of the damper is attached to the bottom of the above-water steel beam, the position of the locking plate is adjusted so that the locking plates on the plurality of supporting suspenders are supported on the connecting ear plate;

[0017] Welding the connecting ear plate to the bottom of the above-water steel beam;

[0018] The upper ends of a plurality of the supporting suspenders are cut off for rotational use.

[0019] The beneficial effect of the present invention lies in that the auxiliary installation device of the damper of the above-water steel beam of the present invention welds the supporting hangers to the bottom of the above-water steel beam, and then uses the lifting equipment to lift the damper to the specified position, and then uses the sling to lift the damper to the bottom of the above-water steel beam, and locks the connecting ear plates of the damper through the locking plates of multiple supporting hangers and fits them tightly to the bottom of the above-water steel beam so that the construction personnel can weld the connecting ear plates to the bottom of the above-water steel beam, thereby improving the installation efficiency and installation quality of the damper at the bottom of the above-water steel beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1The present invention is a schematic structural diagram of an auxiliary installation device for a damper of an above-water steel beam according to an embodiment of the present invention.

[0022] Figure 2 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0023] Figure 3 Schematic diagram of the structure of a pulley assembly according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] Reference Figures 1 to 3 As shown, the present invention provides an auxiliary installation device for a damper of an above-water steel beam, comprising: a plurality of supporting suspenders 1, a locking plate 2 and a pulley assembly 3.

[0027] The upper end of each support column 1 is fixed to the bottom 4 of the above-water steel beam. A plurality of support columns 1 are arranged along the outer edge of the installation position of the damper (ie the installation position of the connecting ear plate for installing the damper at the bottom of the beam).

[0028] In this embodiment, the connecting ear plate 5 is rectangular, and the installation position is adapted to the shape of the connecting ear plate. There are four supporting hanging columns, which are respectively arranged at the four corners of the installation position.

[0029] The locking plate 2 is mounted on the supporting column 1 in an adjustable manner.

[0030] The pulley assembly 3 includes a base 31, a pulley 32 and a sling 33. The lower end of each supporting sling 1 is connected to the base 31 by a ball joint. The pulley 32 is rotatably mounted on the base 31. The sling 33 is wound around the pulley 32. One end of the sling 33 is connected to the damper.

[0031] When installing the damper, the damper is lifted upward by pulling the other end of the sling 33 to make one end of the sling 33. After the connecting ear plate 5 of the damper is attached to the bottom 4 of the steel beam above the water, the position of the locking plate 2 is adjusted so that the locking plates 2 on the multiple supporting suspenders 1 are supported on the connecting ear plate 5.

[0032] The auxiliary installation device of the damper of the water steel beam of the present invention is achieved by welding the supporting hangers to the bottom of the water steel beam, and then using the lifting equipment to lift the damper to the specified position, and then using the sling to lift the damper to the bottom of the water steel beam, and locking the connecting ear plates of the damper through the locking plates of multiple supporting hangers and tightly fitting them to the bottom of the water steel beam so that the construction personnel can weld the connecting ear plates to the bottom of the water steel beam, thereby improving the installation efficiency and installation quality of the damper at the bottom of the water steel beam.

[0033] In this embodiment, the locking plate 2 is provided with a through hole. The through hole is provided at one end of the locking plate. The supporting column 1 is movably provided in the through hole. The supporting column 1 is formed with an external thread. The supporting column 1 is screwed with a support member 21. The support member 21 is supported on the locking plate 2. A spring gasket 22 is provided between the locking plate 2 and the bottom 4 of the above-water steel beam.

[0034] Specifically, the support member 21 is provided with a threaded hole, and the threaded hole of the support member 21 is screwed to the upper end of the supporting column 1 .

[0035] When the sling lifts the damper upward, the locking plate is deflected so that the damper goes up to the bottom of the beam, and then the locking plate is rotated so that the locking plate is supported on the bottom of the connecting ear plate.

[0036] See also Figure 3 In this embodiment, a through slot is provided at the bottom of the base 31. The pulley 32 is rotatably mounted in the through slot. Specifically, a rotating shaft is rotatably mounted in the through slot, and the pulley is coaxially mounted on the rotating shaft.

[0037] The top of the base is connected to the lower end of the supporting column through a ball joint support.

[0038] The auxiliary installation device of the damper of the above-water steel beam of the present invention further comprises a driving motor. The driving motor is installed on the ground. The output end of the driving motor is coaxially connected with a drum. The other end of the sling 33 is wound around the drum.

[0039] The present invention provides a construction method of an auxiliary installation device of a damper of an above-water steel beam, comprising the following steps:

[0040] S1: Connect one end of the sling 33 of the pulley assembly 3 on the plurality of supporting suspenders 1 to the damper.

[0041] S2: Pull the other end of the sling 33 to make one end of the sling 33 lift the damper upward.

[0042] S3: After the connecting ear plate 5 of the damper is attached to the beam bottom 4 of the above-water steel beam, the position of the locking plate 2 is adjusted so that the locking plates 2 on the plurality of supporting suspenders 1 are supported on the connecting ear plate 5 .

[0043] S4: Weld the connecting ear plate 5 to the bottom 4 of the above-water steel beam.

[0044] S5: cutting off the upper ends of a plurality of supporting suspenders 1 for rotational use.

[0045] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. An auxiliary installation device for a damper of a water-based steel beam, characterized in that: include: A plurality of supporting slings, the upper ends of which are fixedly connected to the bottom of the above-water steel beam, and the plurality of supporting slings are arranged along the outer edge of the installation position of the damper; A locking plate, mounted on the supporting column in an adjustable manner; The pulley assembly includes a base, a pulley and a sling. The lower end of each supporting sling is connected to the base by a ball joint. The pulley is rotatably installed on the base. The sling is wound around the pulley. One end of the sling is connected to the damper. The damper is lifted upward by pulling the other end of the sling so that one end of the sling is lifted upward. After the connecting ear plate of the damper is attached to the bottom of the above-water steel beam, the position of the locking plate is adjusted so that the locking plates on the multiple supporting slings are supported on the connecting ear plate.

2. The auxiliary installation device for the damper of the water steel beam according to claim 1, characterized in that: The locking plate is provided with a through hole, the supporting column can be movably inserted into the through hole, the supporting column is formed with an external thread, the supporting column is screwed with a supporting member, the supporting member is supported by the locking plate, and a spring gasket is provided between the locking plate and the bottom of the above-water steel beam.

3. The auxiliary installation device for the damper of the above-water steel beam according to claim 2, characterized in that: The support member is provided with a threaded hole, and the threaded hole of the support member is screwed into the upper end of the supporting column.

4. The auxiliary installation device for the damper of the above-water steel beam according to claim 1, characterized in that: A through slot is provided at the lower part of the base, and the pulley is rotatably installed in the through slot.

5. The auxiliary installation device for the damper of the above-water steel beam according to claim 1, characterized in that: It also includes a driving motor, which is installed on the ground. The output end of the driving motor is coaxially connected to a drum, and the other end of the sling is wound around the drum.

6. A construction method for the auxiliary installation device of the damper of the above-water steel beam according to any one of claims 1 to 5, characterized in that: The following steps are involved: Connecting one end of a sling of a plurality of pulley assemblies supported on a davit to a damper; Pulling the other end of the sling to cause one end of the sling to lift the damper upward; After the connecting ear plate of the damper is attached to the bottom of the above-water steel beam, the position of the locking plate is adjusted so that the locking plates on the plurality of supporting suspenders are supported on the connecting ear plate; Welding the connecting ear plate to the bottom of the above-water steel beam; The upper ends of a plurality of the supporting suspenders are cut off for rotational use.

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