阅读说明：本技术 隔震临时桥梁 (Shock insulation temporary bridge ) 是由 王立群 侯小溪 于 2019-10-21 设计创作，主要内容包括：本发明公开了一种隔震临时桥梁,包括桥架、桥面和两个连接底座,所述桥面铺设在桥架上,两个所述连接底座分别固定在桥架的两端上,并带着桥架固定到外部地面上,所述连接底座包括上连接板、下连接板和隔震层,所述上连接板固定在桥架端部的下侧面上,所述隔震层固定在上连接板和下连接板之间,所述下连接板的下侧面开设有防滑纹。本发明的隔震临时桥梁,通过隔震层的设置便可实现将桥面上的震动与下连接板之间进行隔震作用,如此便可有效的避免因为车辆通过震动导致的下连接板位置出现偏移的问题。(The invention discloses a shock insulation temporary bridge which comprises a bridge frame, a bridge deck and two connecting bases, wherein the bridge deck is laid on the bridge frame, the two connecting bases are respectively fixed on two ends of the bridge frame and are used for fixing the bridge frame to the external ground, each connecting base comprises an upper connecting plate, a lower connecting plate and a shock insulation layer, the upper connecting plate is fixed on the lower side surface of the end part of the bridge frame, the shock insulation layer is fixed between the upper connecting plate and the lower connecting plate, and anti-skid grains are arranged on the lower side surface of the lower connecting plate. According to the shock insulation temporary bridge, shock insulation between the shock on the bridge deck and the lower connecting plate can be realized through the arrangement of the shock insulation layer, so that the problem that the position of the lower connecting plate deviates due to the shock of a vehicle can be effectively avoided.)

1. The utility model provides a temporary bridge of shock insulation, includes crane span structure (1), bridge floor (2) and two connection base (3), lay on crane span structure (1) bridge floor (2), two connect base (3) to fix respectively on the both ends of crane span structure (1) to take crane span structure (1) to fix outside subaerially, its characterized in that: connect base (3) including upper junction plate (31), lower connecting plate (32) and shock insulation layer (33), upper junction plate (31) are fixed on the downside of crane span structure (1) tip, shock insulation layer (33) are fixed between upper junction plate (31) and lower connecting plate (32) to connect upper junction plate (31) and lower connecting plate (32), shock insulation layer (33) are including all being cylindric stromatolite rubber (331) and shock insulation core (332), the both ends of stromatolite rubber (331) respectively with upper junction plate (31) and lower connecting plate (32) fixed connection, its centre of a circle department sets up and runs through its self and aperture and shock insulation core (332) equal accommodation hole (333), shock insulation core (332) gomphosis is fixed in accommodation hole (333), anti-skidding line has been seted up to the downside of lower connecting plate (32).

2. The seismic-isolation temporary bridge of claim 1, wherein: the shock insulation core (332) comprises an upper core (3321) and a lower core (3322), the upper core (3321) and the lower core (3322) are embedded and fixed in the accommodating hole (333) at intervals, a plurality of reinforcing holes (4) are uniformly arranged in the laminated rubber (331), the lower end of the reinforcing hole (4) extends to the lower side surface of the laminated rubber (331) and penetrates through the lower connecting plate (32), the upper end extends to the lower side surface of the upper connecting plate (31), a reinforcing channel (5) is coaxially fixed in the reinforcing hole (4), the lower end of the reinforcing channel (5) extends to the lower end of the reinforcing hole (4), a gap is reserved between the upper end of the reinforcing channel and the upper end of the reinforcing hole (4), a plurality of reinforcing nails (51) are coaxially arranged in the reinforcing channel (5) in a penetrating way, the tip of the reinforcing nail (51) is arranged downwards, and the flat end of the reinforcing nail is abutted to the lower side surface of the upper connecting plate (31).

3. The seismic-isolation temporary bridge of claim 2, wherein: be equipped with electromagnetism dish (311) on the downside of upper junction plate (31), the side fixedly connected with connector lug (312) of upper junction plate (31), connector lug (312) are connected through the wire with electromagnetism dish (311) to connect external power source and electromagnetism dish (311), when electromagnetism dish (311) circular telegram, produce magnetic force and inhale additional solid nail (51).

4. The seismic-isolation temporary bridge of claim 3, wherein: the side surface of the reinforcing nail (51) is rotatably provided with a sliding column (511), the channel wall of the reinforcing channel (5) is provided with a reinforcing groove (52) which extends downwards in a spiral mode, and the sliding column (511) is embedded in the reinforcing groove (52) so that the reinforcing nail (51) can rotate when the reinforcing nail (51) slides upwards or downwards.

5. The seismic-isolation temporary bridge of claim 4, wherein: the tip of the reinforcing nail (51) is of an inverted cone structure, and the side face of the inverted cone structure is provided with a cutter edge extending in a spiral shape.

6. The seismic-isolation temporary bridge of claim 3, wherein: the electromagnetic disc (311) is provided with a timing on-off device (313), the timing on-off device (313) is connected with the electromagnetic disc (311) through a conducting wire and is also connected with the connector lug (212) through a conducting wire, so that the electromagnetic disc (311) is connected to an external power supply through the timing on-off device (313).

7. The seismic-isolation temporary bridge of claim 6, wherein: the timing on-off device (313) comprises an on-off shell (3131), a wiring terminal (3132) and a switch block (3133), wherein the wiring terminal (3132) and the switch block (3133) are arranged on the on-off shell (3131), the on-off shell (3131) is embedded and fixed in an upper connecting plate (31), a cylindrical on-off cavity (31311) is formed in the on-off shell (3131), the switch block (31311) can be arranged in the on-off cavity (31311) in a sliding mode, one half of the cavity wall of the on-off cavity (31311) is a conductive cavity wall, the other half of the cavity wall of the on-off cavity (31311) is an insulating cavity wall, the switch block (3133) can be arranged in the on-off cavity (31311) in a sliding mode, one end of the magnetic block (31312), which faces away from the switch block (3133).

Technical Field

The invention relates to a bridge, in particular to a shock insulation temporary bridge.

Background

In the process of field building construction, the road condition faced by the transport vehicle generally can not be a smooth road condition, and has some or even a gap, so that in the process of actual construction, a temporary bridge is generally erected on the gap to be passed by the transport vehicle.

The bridge structure comprises a bridge frame and a bridge deck, wherein the bridge deck is fixed on the bridge frame, so that vehicles can run through the bridge frame, in the using process, the bridge frame is arranged on a gap needing to be erected in a crossing mode, then the two ends of the bridge frame are preliminarily fixed, the temporary bridge is built, in the process that the transportation vehicles run through the bridge deck, vibration can be generated, the vibration can be transmitted to the two ends of the bridge frame, the problem that the fixed structure between the two ends of the bridge frame and the ground is loose is easily caused, the position of the bridge frame can be deviated in the using process, and the bridge cannot well span the gap.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a shock insulation temporary bridge with a shock insulation function.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an interim bridge of shock insulation, includes crane span structure, bridge floor and two connection bases, the bridge floor is laid on the crane span structure, two connect the base to fix respectively on the both ends of crane span structure to take the crane span structure to fix outside subaerially, connect the base and include upper junction plate, lower connecting plate and shock insulation layer, the upper junction plate is fixed on the downside of crane span structure tip, the shock insulation layer is fixed between upper junction plate and lower connecting plate to connect upper junction plate and lower connecting plate, the shock insulation layer is including all being cylindric stromatolite rubber and shock insulation core, the both ends of stromatolite rubber respectively with upper junction plate and lower connecting plate fixed connection, its centre of a circle department set up the accommodation hole that runs through its self and aperture and shock insulation core and equal, the gomphosis of shock insulation core is fixed in the accommodation hole.

As a further improvement of the invention, the seismic isolation core comprises an upper core and a lower core, the upper core and the lower core are embedded and fixed in the accommodating hole at intervals, a plurality of reinforcing holes are uniformly formed in the laminated rubber, the lower ends of the reinforcing holes extend to the lower side surface of the laminated rubber and penetrate through the lower connecting plate, the upper ends of the reinforcing holes extend to the lower side surface of the upper connecting plate, reinforcing channels are coaxially fixed in the reinforcing holes, the lower ends of the reinforcing channels extend to the lower ends of the reinforcing holes, intervals are reserved between the upper ends of the reinforcing holes and the upper ends of the reinforcing holes, a plurality of reinforcing nails are coaxially penetrated in the reinforcing channels, the tips of the reinforcing nails are arranged downwards, and the flat ends of the reinforcing nails are abutted against the lower side surface of the upper.

As a further improvement of the invention, an electromagnetic disc is arranged on the lower side surface of the upper connecting plate, a connector lug is fixedly connected to the side edge of the upper connecting plate, the connector lug is connected with the electromagnetic disc through a lead to connect an external power supply and the electromagnetic disc, and when the electromagnetic disc is electrified, magnetic force is generated to attract the additional fixing nail.

As a further improvement of the present invention, a sliding column is rotatably disposed on a side surface of the reinforcing nail, a reinforcing groove extending downwards spirally is disposed on a channel wall of the reinforcing channel, and the sliding column is embedded in the reinforcing groove to rotate the reinforcing nail when the reinforcing nail slides upwards or downwards.

As a further improvement of the invention, the tip of the reinforcing nail is of an inverted cone structure, and the side surface of the inverted cone structure is provided with a cutter edge which extends in a spiral shape.

As a further improvement of the invention, the electromagnetic disk is provided with a timing on-off device, and the timing on-off device is connected with the electromagnetic disk through a lead and is also connected with the connector lug through a lead, so that the electromagnetic disk is connected to an external power supply through the timing on-off device.

As a further improvement of the invention, the timing on-off device comprises an on-off shell, a wiring terminal and a switch block, wherein the wiring terminal and the switch block are arranged on the on-off shell, a cylindrical on-off cavity is formed in the on-off shell, the switch block is arranged in the on-off cavity in a sliding manner, one half of the cavity wall of the on-off cavity is a conductive cavity wall, the other half of the cavity wall of the on-off cavity is an insulating cavity wall, the switch block is arranged in the on-off cavity in a sliding manner, one end of the switch block, which faces away from the switch block, is fixedly connected with the end.

The invention has the advantages that a temporary bridge structure can be effectively formed by arranging the bridge frame, the bridge deck and the connecting base, so that the temporary bridge structure can be temporarily erected on a gap on the external ground, the shock insulation layer can play a role in shock insulation between the bridge frame and the lower connecting plate, so that when a vehicle passes through the bridge floor, transverse shock on the bridge floor can not be transmitted to the lower connecting plate, compared with the temporary bridge structure in the prior art, the problem of bridge connection base displacement caused by transverse vibration can be avoided, the shock insulation layer is arranged in a combined mode of the laminated rubber and the shock insulation core, so that the transverse shock insulation effect can be provided on the premise of providing enough vertical bearing capacity, and through the setting of antiskid line, can increase the degree of difficulty of translation between lower connecting plate and the ground, further avoid lower connecting plate to appear a series of problems that the skew leads to.

Drawings

FIG. 1 is a schematic structural view of a seismic isolation temporary bridge according to the present invention;

FIG. 2 is a schematic structural diagram of the connection base in FIG. 1;

FIG. 3 is a schematic structural diagram of a timing on-off device;

fig. 4 is an enlarged view of a portion a in fig. 2.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1 to 4, the temporary seismic isolation bridge of the embodiment includes a bridge deck 1, a bridge deck 2 and two connection bases 3, the bridge deck 2 is laid on the bridge deck 1, the two connection bases 3 are respectively fixed at two ends of the bridge deck 1 and are provided with the bridge deck 1 to be fixed on the external ground, the connection bases 3 include an upper connection plate 31, a lower connection plate 32 and a seismic isolation layer 33, the upper connection plate 31 is fixed on the lower side surface of the end portion of the bridge deck 1, the seismic isolation layer 33 is fixed between the upper connection plate 31 and the lower connection plate 32 to connect the upper connection plate 31 and the lower connection plate 32, the seismic isolation layer 33 includes laminated rubber 331 and a seismic isolation core 332 which are cylindrical, two ends of the laminated rubber 331 are respectively fixedly connected with the upper connection plate 31 and the lower connection plate 32, and a receiving hole 333 which penetrates through the laminated rubber 331 and has an aperture equal to, the shock insulation core 332 is embedded and fixed in the accommodating hole 333, the lower side surface of the lower connecting plate 32 is provided with anti-slip grains, in the process of using the temporary bridge of the embodiment, only the bridge deck 1 with the bridge deck 2 and the connecting base 3 is placed on the ground to enable the bridge deck 1 to cross a gap, so that when a vehicle runs on the bridge deck 2, the bridge deck 2 and the bridge deck 1 generate transverse shock and then transmit the transverse shock to the connecting base 3, in the process of transmitting the shock to the connecting base 3, the transverse shock is firstly transmitted to the upper connecting plate 31 fixed with the bridge deck 1 and then transmitted into the shock insulation layer 33 through the upper connecting plate 31, and the shock insulation layer 33 can not transmit the transverse shock to the lower connecting plate 32 through the shock insulation absorption effect, so compared with the temporary bridge structure in the prior art, a series of problems caused by the position deviation of the connecting base 3 can be effectively avoided, and through setting the mode that the shock insulation layer 33 becomes the combination of stromatolite rubber 331 and shock insulation core 332, the effect of horizontal vibrations of effectual realization isolation can also provide sufficient vertical bearing capacity simultaneously, and through the setting of anti-skidding line, can further avoid the condition that the skew appears in lower connecting plate 32.

As a modified embodiment, the seismic isolation core 332 includes an upper core 3321 and a lower core 3322, the upper core 3321 and the lower core 3322 are embedded and fixed in the receiving hole 333 at intervals, a plurality of reinforcing holes 4 are uniformly formed in the laminated rubber 331, the lower ends of the reinforcing holes 4 extend to the lower side surface of the laminated rubber 331 and pass through the lower connecting plate 32, the upper ends of the reinforcing holes extend to the lower side surface of the upper connecting plate 31, reinforcing channels 5 are coaxially fixed in the reinforcing holes 4, the lower ends of the reinforcing channels 5 extend to the lower ends of the reinforcing holes 4, a gap is left between the upper ends of the reinforcing holes 4, a plurality of reinforcing nails 51 are coaxially inserted in the reinforcing channels 5, the tips of the reinforcing nails 51 are arranged downward, the flat ends of the reinforcing nails abut against the lower side surface of the upper connecting plate 31, and when a vehicle runs on the bridge deck 2, a downward pressing force is applied by gravity, then the force is also transmitted to the seismic isolation layer 33, so that the laminated rubber 331 is compressed, the lower connecting plate 31 moves downward, the reinforcing nail 51 is pushed to move downward, and the tip penetrates into the external ground, so that the problem of offset of the position of the lower connecting plate 32 can be better avoided.

As an improved specific embodiment, an electromagnetic disc 311 is disposed on the lower side surface of the upper connecting plate 31, a connector 312 is fixedly connected to a side edge of the upper connecting plate 31, the connector 312 is connected to the electromagnetic disc 311 through a wire to connect an external power source with the electromagnetic disc 311, when the electromagnetic disc 311 is powered on, a magnetic force is generated to attract the additional fixing nail 51, after the temporary bridge is used, the temporary bridge needs to be detached for transportation, and due to the existence of the fixing nail 51, it may be difficult to directly detach for transportation, so in this embodiment, by disposing the electromagnetic disc 311 on the lower side surface of the upper connecting plate 31, the fixing nail 51 may be attracted by the magnetic force, so that the fixing nail 51 is pulled up from the ground, so that the temporary bridge can be detached for transportation well, and at this time, the upper end of the fixing channel 5 extends to the electromagnetic disc 311.

As an improved specific embodiment, a sliding column 511 is rotatably arranged on a side surface of the reinforcing nail 51, a reinforcing groove 52 extending downwards in a spiral manner is formed on a channel wall of the reinforcing channel 5, the sliding column 511 is embedded in the reinforcing groove 52, so that when the reinforcing nail 51 slides upwards or downwards, the reinforcing nail 51 rotates, and through the cooperation between the sliding column 511 and the reinforcing groove 52 in the reinforcing channel 5, the reinforcing nail 51 can rotate in the process of moving up and down, so that the reinforcing nail 51 can be better drilled into an external ground, and can be better pulled out from the ground in the process of dismantling through a reverse rotation manner.

As a specific embodiment of the improvement, the tip of the reinforcing nail 51 is an inverted cone structure, and a knife edge extending in a spiral shape is formed on a side surface of the inverted cone structure, so that the arrangement of the knife edge can increase the ease of drilling the reinforcing nail 51 into the ground, and can increase the reinforcing degree of the reinforcing nail 51 after drilling into the ground.

As an improved specific embodiment, the electromagnetic disc 311 is provided with the timing on-off device 313, the timing on-off device 313 is connected with the electromagnetic disc 311 through a conducting wire and is also connected with the connector lug 212 through a conducting wire, so that the electromagnetic disc 311 is connected to an external power supply through the timing on-off device 313, and through the arrangement of the timing on-off device 313, the power supply provided for the electromagnetic disc 311 can be effectively switched on and off, and therefore, the magnetic force generated by the electromagnetic disc 311 is also intermittent, so that in the process of sucking and pulling out the reinforcing nail 51, the reinforcing nail 51 can be gradually pulled out from the ground by using a step-by-step pulling out, similar to the way of piling by using a pile driver in the prior art, and thus, the method can also be effectively adapted to occasions with limited power supply in the field.

As a modified embodiment, the timing on-off device 313 includes an on-off housing 3131, a connection terminal 3132 disposed on the on-off housing 3131, and a switch block 3133, wherein the on-off housing 3131 has a cylindrical on-off cavity 31311 formed therein, the switch block 31311 is slidably disposed in the on-off cavity 31311, one half of the cavity wall of the on-off cavity 31311 is a conductive cavity wall and the other half of the cavity wall is an insulating cavity wall, the switch block 3133 is slidably disposed in the on-off cavity 31311, and a magnetic block 31312 is fixedly connected to one end of the switch block 31312, which is opposite to the switch block 3133, and is fixedly connected to an end of the on-off cavity 31311 through a spring, so that the current input into the electromagnetic disk 311 can be a step current through the sliding of the switch block 3133, and compared to a method of using an electronic element to realize the step current, the timing on-off device can be better applied to occasions with poor field use environments, and is, the conductive chamber wall and the insulating chamber wall in this embodiment are implemented by providing a completely insulating on-off housing 3131, and then embedding two conductive blocks connected to a connection terminal 3132 in the on-off housing 3131, as shown in fig. 3.

In summary, the temporary seismic isolation bridge of the embodiment can effectively achieve the transverse seismic isolation between the upper connecting plate 31 and the lower connecting plate 32 by arranging the seismic isolation layer 33, so as to avoid a series of problems caused by the displacement of the lower connecting plate 32 in the prior art.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.