Improved box girder support embedded part

Abstract

The utility model discloses an improved box girder support embedded part which comprises a support, an embedded assembly is arranged on the lower side of the support, and a truss is arranged on the upper side of the support. The embedded assembly comprises a bolt, the bolt is in threaded connection with the embedded plate, the lower end of the bolt is movably connected with an embedded assembly, and the upper end of the bolt is in threaded connection with the support. By means of the embedded assemblies, the multiple embedded assemblies can be selectively installed according to the actual embedded depth and the site condition in the using process, so that the friction force between the embedded assemblies and cement is increased, and the strength of the support is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to an improved box girder support embedded part. Background Art

[0002] For high-speed railway box girders, railway T-beams and other bridges, the beams and pier pads are connected through bridge bearings, which have supporting, earthquake-resistant and buffering functions. Each bridge is equipped with 4 bearings, each of which is connected to the beam through 4 high-strength bolts, and a box beam is fixedly connected to 4 bearings through 16 high-strength bolts. However, due to the large deadweight of the beam and the fact that the beam and each bearing are connected with only 4 bolts, when an earthquake occurs, the seismic waves will cause the bridge to shake, generate kinetic energy, and cause relative movement between the bridge beam and the bearing, thereby generating friction and shear force. These forces will be applied to the bridge bearing bolts. If the shear strength of the bolts is insufficient or the friction between the box beam and the bearing is insufficient, the bolts will be damaged or fail, causing the bridge to shift and the bearing to fall out. Summary of the invention

[0003] The purpose of the embodiment of the utility model is to provide an improved box girder support embedded part, which can solve the problem of displacement of the bridge due to damage or failure of the current bolts.

[0004] The utility model provides the following technical solutions: an improved box girder support embedded part, comprising a support, an embedded component arranged at the lower side of the support, and a truss arranged at the upper side of the support; the embedded component comprises a bolt and an embedded plate, the bolt is threadedly connected to the embedded plate, the lower end of the bolt is movably connected to the embedded component, and the upper end of the bolt is threadedly connected to the support.

[0005] By setting up the embedded components, several embedded components can be selected to be installed according to the actual embedded depth and site conditions during use, so as to increase the friction between the embedded components and the cement, thereby improving the bearing strength.

[0006] Preferably, the embedding component includes a connecting ring A and an embedding rod, the outer surface of the connecting ring A is connected to one end of the embedding rod, and the other end of the embedding rod is conical.

[0007] When in use, the inner side of the connecting ring A is a thread that matches the bolt. By rotating the connecting ring A, the connecting ring A is connected to the bolt and embedded in the conical lower side of the embedded rod. The position and number of embedded components can be controlled according to actual conditions, thereby flexibly adapting to pre-embedding conditions of different depths and different requirements.

[0008] Preferably, the support is a rectangular plate with a groove provided on the lower side of the rectangular plate.

[0009] The groove is rectangular and has a depth of 1-2 cm. During the embedding process, the groove can increase the contact area between the support and the cement, thereby enhancing the friction and making the support installation more stable.

[0010] Preferably, the truss includes a truss, which includes at least three truss legs, a connecting ring B and a connecting beam. The truss legs are arranged in a ring on the connecting ring B, and a connecting beam is provided between adjacent truss legs. The connecting ring B is threadedly connected to the bolt, and a fastening nut is provided on the upper side of the connecting ring B.

[0011] The inner side of connecting ring B is a thread that matches the bolt. By rotating connecting ring B, connecting ring B is connected to the bolt. The connecting beam can increase the stability of the truss leg. The lower end of the truss leg contacts the upper surface of the support. Then continue to select connecting ring B. By rotating the connecting ring B on each bolt separately, the horizontality of the support can be adjusted to ensure that the support can be set horizontally.

[0012] Then rotate the tightening nut to fix the truss. After the installation is complete, part of the radial force originally acting on the bolt is offset by the truss, and the radial force acting on the bolt can be significantly reduced, effectively avoiding the bolt from being damaged or failing, and avoiding the displacement of the bridge and the disengagement of the support. The safety of the bridge is enhanced.

[0013] Further preferably, the lower side of the truss leg is a horizontal plane.

[0014] The lower side of the truss leg is a horizontal surface, which can have a larger contact area with the upper surface of the support, greater friction, more stable installation, and is more conducive to offsetting the radial force on the bolt.

[0015] Preferably, the upper surface of the support is provided with anti-slip grooves.

[0016] The anti-slip grooves can enhance the friction and make the truss installation more stable.

[0017] Preferably, a level is provided on the support.

[0018] The level gauge can be used to observe whether the support is level, which is convenient for horizontal adjustment of the truss. Ensuring the horizontality of the support makes the connection between the support and the box beam tighter, preventing installation gaps caused by uneven support, thereby avoiding damage or failure of bolts caused by uneven force on the support and avoiding greater safety accidents.

[0019] Preferably, a spring is provided between the support and the embedded plate, and the spring is sleeved on the bolt.

[0020] By means of the spring sleeved between the seat and the embedded plate, a supporting force can be provided between the seat and the embedded plate to prevent all the force from acting on the bolt. At the same time, the spring has a certain deformation amount, which can offset part of the force and protect the bolt from damage.

[0021] Preferably, the number of the bolts is 4, and the 4 bolts are respectively located at the four corners of the support.

[0022] The positions of the four bolts match those of the box girder, making it easier to install the box girder later.

[0023] The beneficial effects of the embodiments of the utility model are:

[0024] (1) By setting up the embedded components, you can choose to install several embedded components according to the actual embedded depth and site conditions during use, so as to increase the friction between the embedded components and the cement, thereby improving the bearing strength.

[0025] (2) A groove is provided on the lower side of the rectangular plate. The groove can increase the contact area between the support and the cement, thereby enhancing the friction and making the support installation more stable.

[0026] (3) By setting up the truss, part of the radial force originally acting on the bolts is offset by the truss, and the radial force acting on the bolts can be significantly reduced, effectively preventing the bolts from being damaged or failing, and preventing the bridge from shifting and the bearings from falling out.

[0027] (4) By rotating the connecting ring B on each bolt, the horizontality of the support is adjusted to ensure that the support can be set horizontally, prevent installation gaps caused by uneven support, and avoid damage or failure of the bolts caused by uneven force on the support.

[0028] (5) By means of the spring sleeved between the seat and the embedded plate, a supporting force can be provided between the seat and the embedded plate to prevent all the force from acting on the bolt. At the same time, the spring has a certain deformation amount, which can offset part of the force and protect the bolt from damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a structural diagram of an improved box girder support embedded part of an embodiment of the utility model;

[0030] Figure 2 A truss structure diagram of an embodiment of the utility model;

[0031] Figure 3 It is a structural diagram of an embedded component of an embodiment of the utility model;

[0032] Figure 4 A bottom view of a support according to an embodiment of the utility model;

[0033] Among them, 1-embedded plate; 2-support; 3-level; 4-fastening nut; 5-spring; 6-connecting ring A; 7-embedded rod; 8-bolt; 9-connecting ring B; 10-truss leg; 11. connecting beam; 12. groove; 13. anti-slip pattern. DETAILED DESCRIPTION

[0034] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of the relative relationship, without substantial change in the technical content, should also be regarded as the scope of the implementation of the present invention. Various schemes and features of the utility model are described here with reference to the drawings. Example

[0035] See also Figure 1-3 The utility model provides a technical solution: an improved box girder support embedded part, including a support 2, an embedded component on the lower side of the support 2, and a truss on the upper side of the support 2; the embedded component includes a bolt 8 and an embedded plate 1; the bolt 8 is threadedly connected to the embedded plate 1; the embedded plate 1 and the support 2 are provided with threaded holes that cooperate with the bolt 8, the bolt 8 penetrates and connects the embedded plate 1 and the support 2, the lower end of the bolt 8 is pointed, which is easy to insert, and the lower end of the bolt 8 is movably connected with an embedded component, the number of embedded components is 8, and each bolt is connected to 2 at the lower end. When in use, place the device with the embedded component, pour cement to submerge the embedded plate 1, and then adjust the horizontal degree of the support 2 through the truss to ensure that the support 2 can be set horizontally.

[0036] Embodiment 2: The structure of embodiment 1 is different from that of embodiment 1 in that a truss is further provided on the basis of embodiment 1, and the truss includes at least three truss legs 10, which are arranged in a ring on the connecting ring B9, and a connecting beam 11 is provided between adjacent truss legs 10, and the connecting ring B9 is threadedly connected to the bolt 8, and a fastening nut 4 is provided on the upper side of the connecting ring B9. When in use, the connecting ring B9 is rotated so that the connecting ring B9 is connected to the bolt 8, and the connecting beam 11 can increase the stability of the truss leg 10, and the lower end of the truss leg 10 contacts the upper surface of the support 2, and then the connecting ring B9 on each bolt 8 is rotated respectively, so as to adjust the horizontality of the support 2 and ensure that the support 2 can be set horizontally. During the adjustment process, a level 3 is provided on the support 2. The level 3 can be used to observe whether the support 2 is horizontal, so that the support 2 is more tightly connected to the box beam, thereby avoiding the damage or failure of the bolt 8 caused by uneven force on the support. Then the fastening nut 4 is rotated to fix the truss. The radial force acting on the bolt 8 can be significantly reduced.

[0037] Embodiment 3: The structure of Embodiment 1 is different in that a truss is further provided on the basis of Embodiment 1, and the upper surface of the support is provided with anti-skid patterns 13. The anti-skid patterns 13 can enhance the friction force, making the installation of the truss more stable.

[0038] Embodiment 4: The structure of embodiment 1 is different in that a spring 5 is provided between the support 2 and the embedded plate 1, and the spring 5 is sleeved on the bolt 8. The bolt provides a supporting force between the support 2 and the embedded plate 1.

[0039] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. An improved box girder support embedded part, characterized in that: It includes a support, an embedded component on the lower side of the support, and a truss on the upper side of the support; the embedded component includes bolts and embedded plates, the bolts are threadedly connected to the embedded plates, the lower ends of the bolts are movably connected to the embedded components, and the upper ends of the bolts are threadedly connected to the support.

2. The improved box girder support embedded part according to claim 1 is characterized in that: The embedding component comprises a connecting ring A and an embedding rod. The outer surface of the connecting ring A is connected to one end of the embedding rod, and the other end of the embedding rod is conical.

3. The improved box girder support embedded part according to claim 1 is characterized in that: The support is a rectangular plate, and a groove is arranged on the lower side of the rectangular plate.

4. The improved box girder support embedded part according to claim 1 is characterized in that: The truss includes at least three truss legs, a connecting ring B and a connecting beam. The truss legs are arranged in a ring on the connecting ring B. A connecting beam is provided between adjacent truss legs. The connecting ring B is threadedly connected to the bolts, and a fastening nut is provided on the upper side of the connecting ring B.

5. The improved box girder support embedded part according to claim 4 is characterized in that: The lower side of the truss leg is a horizontal plane.

6. The improved box girder support embedded part according to claim 1 is characterized in that: The upper surface of the support is provided with anti-slip grooves.

7. The improved box girder support embedded part according to claim 1 is characterized in that: A level is arranged on the support.

8. The improved box girder support embedded part according to claim 1 is characterized in that: A spring is arranged between the support and the embedded plate, and the spring is sleeved on the bolt.

9. The improved box girder support embedded part according to claim 1 is characterized in that: The number of the bolts is 4, and the 4 bolts are respectively located at the four corners of the support.

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