A kind of big rigidity attachment device suitable for the prefabricated floating plate of rail traffic
Technical field
The utility model relates to track cushion technique fields, are suitable for the prefabricated floating plate of rail traffic more particularly to one kind
Big rigidity attachment device.
Background technique
Currently, urban rail transit technology is quickly grown, train running speed is continuously improved, therefore bring rail system
Requirement to vibratory response is higher and higher.But prefabricated floating plate is in order to facilitate the installation of, generally longitudinally length is all smaller,
The quality of independent one piece of prefabricated floating plate is smaller, it is possible to and cause track vertical deviation excessive, influences traffic safety, while because
For mass of vibration reduction, the effectiveness in vibration suppression of prefabricated floating plate also will receive influence.
Shear hinge used in existing rail system is made of two parts of pin shaft and axle sleeve, be arranged in two pieces it is prefabricated
Between floating plate, play the role of resisting prefabricated floating plate end vertical displacement caused by train passes through, but often because prefabricated
Rigidity is inadequate at floating plate connection follower head, and horizontal direction cannot resist jointly train by bringing with contiguous prefabricated floating plate
Impact.And shear hinge direction along ng a path used in existing rail system is inserted into adjacent two pieces of prefabricated floating plates, dimension
During shield, part plate lower component is not easy to replace, and loads and unloads and repairs and is all inconvenient.
Utility model content
The purpose of the utility model is to provide a kind of big rigidity attachment device suitable for the prefabricated floating plate of rail traffic, with
The above-mentioned problems of the prior art is solved, the coupling stiffness of contiguous prefabricated floating plate is significantly improved, can transmit to greatest extent
Train load impact, and attachment device replacement is simple and convenient.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of big rigidity attachment device suitable for the prefabricated floating plate of rail traffic, including prefabricated
Floating plate, pre-embedded steel slab, junction steel plate and fastener, the both ends of the prefabricated floating plate are provided with the pre-embedded steel slab, institute
It states pre-embedded steel slab to be arranged in the prefabricated floating plate, is equipped with threaded hole, phase on the pre-embedded steel slab and the junction steel plate
The adjacent prefabricated floating plate is fixedly connected by a junction steel plate, the threaded hole and the fastener.
Further, the both ends of the prefabricated floating plate are equipped with mounting groove, and the pre-embedded steel slab is arranged in the installation
In slot, the length of the junction steel plate is greater than the length of the mounting groove and is less than twice of the installation slot length.
Further, the pre-embedded steel slab and the prefabricated floating plate utilize concreting one.
Further, the two sides of the prefabricated floating plate are equipped with the pre-embedded steel slab, every end of the prefabricated floating plate
A pre-embedded steel slab is included at least with every side.
Further, the fastener is connection bolt or screw arbor assembly.
Further, lock washer is equipped between the connection bolt or the screw arbor assembly and the junction steel plate.
Further, the material of the lock washer is spring steel.
Further, the material of the pre-embedded steel slab and the junction steel plate is steel or cast iron.
The utility model achieves following technical effect compared with the existing technology:
The utility model utilized pre-embedded steel slab to guarantee that prefabricated floating plate junction has enough intensity before this, avoided in power
Conductive process because of the excessive destruction to prefabricated floating plate of local stress, then will be contiguous prefabricated using junction steel plate, fastener
Floating plate is connected to become an entirety, and junction steel plate provides enough rigidity for the seam crossing of contiguous prefabricated floating plate, thus sharp
The high-intensitive connection that prefabricated floating plate is realized with pre-embedded steel slab and junction steel plate, keeps the coupling stiffness of contiguous prefabricated floating plate significant
It improves, train load impact can be transmitted to greatest extent, and pre-embedded steel slab, junction steel plate and fastener are arranged at attachment device
Both ends, it is easy to replace and maintain.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the top view (connection for the big rigidity attachment device that the utility model is suitable for the prefabricated floating plate of rail traffic
Bolt);
Fig. 2 is the rearview for the big rigidity attachment device that the utility model is suitable for the prefabricated floating plate of rail traffic;
Fig. 3 is the partial enlarged view in Fig. 1 at A;
Fig. 4 is the partial enlarged view in Fig. 2 at B;
Fig. 5 is the cross-sectional view in the utility model at pre-embedded steel slab;
Fig. 6 is the top view (screw rod for the big rigidity attachment device that the utility model is suitable for the prefabricated floating plate of rail traffic
Component);
Fig. 7 is the partial enlarged view in Fig. 6 at C;
Wherein: 1- junction steel plate, 2- connection bolt, 3- lock washer, 4- pre-embedded steel slab, 5- screw arbor assembly, 11- first are pre-
Floating plate processed, the prefabricated floating plate of 12- second, the prefabricated floating plate of 13- third.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of big rigidity attachment device suitable for the prefabricated floating plate of rail traffic, with
The above-mentioned problems of the prior art is solved, the coupling stiffness of contiguous prefabricated floating plate is significantly improved, can transmit to greatest extent
Train load impact, and attachment device replacement is simple and convenient.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Fig. 1-Fig. 7: present embodiments providing a kind of big rigidity connection suitable for the prefabricated floating plate of rail traffic
Device, including prefabricated floating plate, pre-embedded steel slab 4, junction steel plate 1 and fastener, the both ends of prefabricated floating plate are provided with pre-buried
Steel plate 4, the two sides of prefabricated floating plate are equipped with pre-embedded steel slab 4, and the every end and every side of prefabricated floating plate are pre-buried including at least one
Steel plate 4, pre-embedded steel slab 4 are arranged in prefabricated floating plate, and pre-embedded steel slab 4 and prefabricated floating plate utilize concreting one.Tool
Body is as shown in Figure 1, the both ends and two sides of prefabricated floating plate are respectively provided with two pre-embedded steel slabs 4, a total of eight, pre-embedded steel slab 4 and company
The material for connecing steel plate 1 is steel or cast iron, and pre-embedded steel slab 4 can guarantee that prefabricated floating plate junction has enough intensity, keep away
Exempt from the conductive process in power because local stress is excessive, to the premature destruction of prefabricated floating plate, while pre-embedded steel slab 4 is added using machine
Work guarantees the dimensional accuracy of link position, guarantees quality of connection.Threaded hole, phase are equipped on pre-embedded steel slab 4 and junction steel plate 1
Adjacent prefabricated floating plate is fixedly connected by a junction steel plate 1, threaded hole and fastener, so that prefabricated floating plate is connected to become
One entirety, and junction steel plate 1 provides enough rigidity for the seam crossing of two pieces of contiguous prefabricated floating plates, can solve
Bullet train poor, horizontal impact problem by the vertical displacement generated.Whole mass of vibration is improved, improves vibration responding, plays
The effect of damping noise reduction.Specifically as shown in Fig. 1 or Fig. 6, the first prefabricated floating plate 11, the second prefabricated floating plate 12 and third are pre-
Floating plate 13 processed passes sequentially through junction steel plate 1, threaded hole and fastener and is fixedly connected.Fastener is connection bolt 2 or screw rod
Component 5 connects and is equipped with lock washer 3 between bolt 2 or screw arbor assembly 5 and junction steel plate 1, and the material of lock washer 3 is spring
Steel.Lock washer 3 is added, can make attachment device that there is certain elasticity, geometric tolerance caused by making up because of reasons such as processing, from
And influence quality of connection;The lock washer 3 of spring steel material has certain pretightning force simultaneously, can be to avoid because train impacts
Generate small size low-frequency vibration and cause connection bolt 2 or screw arbor assembly 5 loosening.
The both ends of prefabricated floating plate are equipped with mounting groove, and pre-embedded steel slab 4 is arranged in mounting groove, the length of junction steel plate 1
Greater than mounting groove length and be less than installation twice of slot length, to guarantee that contiguous prefabricated floating plate can be stable is connected to one
It rises, mounting groove can also provide installation space, convenient for the replacement of component in attachment device.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model;Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.