Auxiliary dismounting device for replaceable spherical hinge at pier top

Abstract

The utility model provides an auxiliary dismounting device for a replaceable spherical hinge at a pier top, which comprises I-shaped steel, the I-shaped steel is constructed into a structure which is concentric with the outer side of a spherical hinge hoop, steel plates are arranged at the end parts of the I-shaped steel, the number of the I-shaped steel is two, and connecting holes are formed in the steel plates at the joint of the I-shaped steel and are connected through fasteners. According to the auxiliary dismounting device for the spherical hinge, before the spherical hinge is dismounted, the I-shaped steel and the fastener of the auxiliary dismounting device are used for applying fastening force to the spherical hinge, the transverse pressure in the dismounting process of a spherical hinge hoop can be reduced, the transverse pressure is released more slowly and evenly, the operation safety in the dismounting process of the spherical hinge is guaranteed, and meanwhile the auxiliary dismounting device is convenient to operate and can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to an auxiliary disassembly device of a replaceable ball joint on a pier top. Background Art

[0002] With the rapid development of my country's transportation infrastructure, there are more and more cases of new bridges intersecting with existing railways, highways, etc. In order to reduce or eliminate the impact on existing lines and ensure that the project can be completed in a high-quality, safe and fast manner, the rotating bridge solution has been increasingly used. The new ball joint solves the shortcoming that the ball joint cannot be unloaded by itself. However, since the wedge-shaped fast of the ball joint is designed as an inclined surface, under the action of the beam body load, the ball joint clamp is subjected to excessive force, and there are the following shortcomings when the ball joint is removed;

[0003] 1. High risk of disassembly

[0004] In the design of the self-unloading ball joint, the wedge block is composed of two inclined steel blocks. After the steel hoop is removed, it will slide out to both sides by itself under the load of the beam weight. However, the vertical pressure exerted by the beam on the ball joint will also be dispersed in the lateral pressure of the ball joint wedge block on the ball joint hoop. The hoop transfers this force to the bolt, causing the bolt to be overstressed, resulting in safety risks when removing the ball joint hoop bolt. This problem is a necessary factor for the further promotion of the ball joint auxiliary disassembly device.

[0005] 2. Difficulty in removing bolts

[0006] When the new self-unloading ball joint is dismantled, the bolts on the clamp will break due to excessive force, which makes it difficult to dismantle and creates safety hazards. As a result, more equipment and materials are arranged on the pier top. The cumbersome dismantling process will increase the construction period. Utility Model Content

[0007] The utility model provides an auxiliary disassembly device for a replaceable ball joint on a pier top.

[0008] To achieve the above purpose, the technical solution of the utility model is: an auxiliary disassembly device for a replaceable ball joint on a pier top, comprising:

[0009] The I-beam is constructed into a structure that is cocircular with the outer side of the ball joint hoop, and a steel plate is provided at the end of the I-beam. Two I-beams are provided, and connection holes are opened on the steel plates at the connection points and connected by fasteners.

[0010] Preferably, a gap is left between the contact ends of the two I-beams.

[0011] Preferably, the steel plate is provided with stiffening ribs, and two stiffening ribs are provided and are located on both sides of the connecting hole.

[0012] Preferably, the rib has a thickness of 10 mm and a length of 100 mm.

[0013] Preferably, the fastener is a bolt.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the ball joint auxiliary disassembly device of the present application utilizes the I-beam and fasteners of this device to apply a tightening force to the ball joint before disassembling the ball joint, which can reduce the lateral pressure during the disassembly of the ball joint clamp and release the lateral pressure more slowly and evenly, thereby ensuring the safety of the operation during the disassembly of the ball joint. At the same time, the device is easy to operate and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural schematic diagram of the auxiliary disassembly device provided by the utility model;

[0017] Figure 2 It is a structural schematic diagram of the steel plate provided by the utility model.

[0018] Reference numerals:

[0019] 10. I-beam; 20. Steel plate; 30. Fasteners; 40. Connecting holes; 50. Ribs. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] It needs to be understood that when the new ball joint is dismantled, the pressure of the beam weight on the ball joint will be decomposed into lateral pressure of the ball joint on the annular clamp, and this force will be transferred to the bolts of the clamp. When some bolts are unscrewed too far during dismantling, the bolts will be subjected to excessive force, leading to unsafe hidden dangers. Therefore, a ball joint auxiliary dismantling device is required to restrain the lateral stress of the ball joint clamp, reduce the force on the bolts, and ensure the safety of dismantling.

[0022] like Figure 1 and Figure 2 As shown, an embodiment of the present application provides an auxiliary disassembly device for a replaceable ball joint on a pier top, comprising an I-beam 10, wherein the I-beam 10 is constructed to be cocircular with the outer side of the ball joint clamp, and the I-beam 10 is used to contact with the ball joint clamp and restrain the lateral pressure of the ball joint clamp. A steel plate 20 is provided at the end of the I-beam 10, and a connecting hole 40 is opened on the steel plate 20. When connecting, the two I-beams 10 are connected by passing a fastener 30 through the connecting hole 40 on the steel plate 20.

[0023] The ball joint auxiliary disassembly device of the present application is used to apply a tightening force to the ball joint before disassembling the ball joint, thereby reducing the lateral pressure during the disassembly of the ball joint clamp, allowing the lateral pressure to be released more slowly and evenly, thereby ensuring the safety of the operation during the disassembly of the ball joint. At the same time, the device is easy to operate and can be reused. When in use, two auxiliary disassembly devices of the present application are provided, one at the upper part of the ball joint and one at the lower part.

[0024] In one embodiment, in order to allow a certain adjustment space when connecting two I-beams 10, a gap is left at the contact ends of the two I-beams 10. That is, a gap is left between the two steel plates 20, and when the fastener 30 passes through the connection hole 40 on the steel plate 20, it can be adjusted according to installation requirements.

[0025] In order to ensure the strength of the steel plate 20, a stiffening rib 50 is provided on the steel plate 20, that is, the stiffening rib 50 is welded on the end surface of the steel plate 20, and two stiffening ribs 50 are provided and located on both sides of the connecting hole 40. Specifically, the thickness of the stiffening rib 50 is 10 mm and the length is 100 mm.

[0026] Specifically, the fastener 30 is a bolt. The bolt is tightened on the outside of the ball joint to resist the lateral pressure applied by the ball joint to the outer hoop when the ball joint is disassembled, so as to prevent the bolt from breaking when the external bolt of the ball joint is disassembled.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An auxiliary disassembly device for a replaceable ball joint on a pier top, characterized in that: include: The I-beam is constructed into a structure that is cocircular with the outer side of the ball joint hoop, and a steel plate is provided at the end of the I-beam. Two I-beams are provided, and connection holes are opened on the steel plates at the connection points and connected by fasteners.

2. The auxiliary disassembly device of the replaceable ball joint on the pier top according to claim 1 is characterized in that: A gap is left between the contact ends of the two I-beams.

3. The auxiliary disassembly device of the replaceable ball joint on the pier top according to claim 1 is characterized in that: The steel plate is provided with stiffening ribs, wherein two stiffening ribs are provided and are located at both sides of the connecting hole.

4. The auxiliary disassembly device of the replaceable ball joint on the pier top according to claim 3 is characterized in that: The thickness of the stiffening rib is 10 mm and the length is 100 mm.

5. The auxiliary disassembly device of the replaceable ball joint on the pier top according to claim 4 is characterized in that: The fastener is a bolt.

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