Disclosure of Invention
The present invention provides an equipotential variable-pitch bridge expansion joint device, which can solve the above problems in the prior art.
The invention is realized by the following technical scheme: the invention relates to an equipotential variable-pitch bridge expansion joint device, which comprises two bridge base plates which are arranged in a bilateral symmetry manner, a base plate gap is reserved between the two bridge base plates, a waterproof cavity is arranged at the upper end of the base plate gap, a waterproof compression block is fixedly arranged in the upper wall of the waterproof cavity, main steel plates are fixedly arranged at two ends of the waterproof compression block symmetrically, main steel bars are fixedly arranged on the side wall of the main steel plate far away from the waterproof compression block, the main steel bars are used for bearing loads in the vertical direction, so that the deformation of the main steel plates is reduced when the main steel plates are subjected to the loads in the vertical direction, auxiliary steel bars are arranged in the main steel bars, the auxiliary steel bars are fixedly arranged on the side wall of the main steel plates far away from the waterproof compression block, the auxiliary steel bars are used for bearing the loads in the horizontal direction, so that the deformation of the main steel plates can be, when the bridge deck expands or contracts, the main steel plate can be driven to integrally displace, the lower end of the waterproof cavity is provided with a waterproof rubber plate which is used for sealing the gap of the base plate and further preventing rainwater from entering the gap of the base plate so as to corrode the inside of the bridge base plate, the two ends of the waterproof rubber plate are provided with rotatable small bolts, the small bolts are in threaded connection with the main steel plate and further can fix the waterproof rubber plate on the main steel plate, the top wall of the main steel plate is internally provided with an energy storage detection mechanism, the lower end of the energy storage detection mechanism is provided with a drainage cavity, the drainage cavity is internally provided with a drainage mechanism, the drainage mechanism can further discharge accumulated water in the waterproof cavity, one end of the main steel plate, far away from the waterproof compression block, and the bridge base plate are filled with waterproof adhesive, and the bridge base plate can be fixedly connected with the main steel plate after the waterproof adhesive is solidified, the lower end of the waterproof adhesive is provided with a fixed buffer mechanism which is fixedly arranged on the main steel plate, and the fixed buffer mechanism can fix the main steel plate on the bridge substrate.
The technical scheme is further characterized in that the drainage mechanism comprises miniature water suction pumps arranged in the upper side wall and the lower side wall of the drainage cavity, a water suction pipeline is arranged at the lower end of each miniature water suction pump in a communicated mode, a drainage pipeline is arranged at the upper end of each miniature water suction pump in a communicated mode, a one-way valve is arranged in each drainage pipeline and can prevent drained accumulated water from flowing backwards into each miniature water suction pump, a power cavity is arranged on one side, away from the waterproof compression block, of the drainage cavity, a main motor is fixedly arranged in the lower wall of the power cavity and connected with the water suction pumps through a main driving shaft, a water level monitor is arranged at the lower end of each drainage cavity and fixedly connected to the side wall, close to the waterproof compression block, of each main steel plate, the water level monitor is connected with the main motor through an auxiliary transmission wire, and further when the accumulated water level reaches the height of the water level monitor, the water level monitor, when starting main motor, main motor passes through main drive shaft drives miniature suction pump rotates, miniature suction pump then can pass through ponding the suction pipe with drainage pipe discharges outside the device.
In a further technical scheme, the energy storage detection mechanism comprises a signal display cell panel fixedly arranged in the top wall of the main steel plate, a main transmission wire is arranged at the lower end of the signal display cell panel, the lower end of the main transmission wire is connected with the main motor, a rubber block is arranged at the right end of the signal display cell panel, a small spring is fixedly arranged at the lower end of the rubber block, a vibration sensor is fixedly arranged at the lower end of the small spring and connected with the main transmission wire, the signal display cell panel can supply power to the vibration sensor and the main motor through the main transmission wire, when the rubber block is extruded by a vehicle on a road surface, the rubber block extrudes the vibration sensor through the small spring, the vibration sensor can record the number of times of compression, and the number of times of compression can be displayed on the signal display cell panel through the main transmission wire, and then used for reminding maintainers of maintaining in time.
According to the technical scheme, the fixed buffering mechanism comprises a positioning block fixedly arranged on a main steel plate, a rotatable large bolt is arranged at one end, away from the waterproof compression block, of the positioning block, the large bolt is connected with the bridge substrate through threads, the main steel plate can be fixed on the bridge substrate through the large bolt, the large bolt is fixedly connected with the positioning block through a positioning pin, the large bolt is prevented from falling off due to vibration of the main steel plate, a cushion pad and a large spring are fixedly arranged at the lower end of the main steel plate in a rectangular array mode, the bridge substrate is fixedly arranged at the lower end of the large spring and the lower end of the cushion pad, the large spring and the cushion pad can buffer vibration amplitude of the main steel plate when the main steel plate is pressed, and further influences on the bridge substrate due to vibration of the main steel plate.
The invention has the beneficial effects that: the device has a simple structure, can automatically detect the working state of the device, prevents the device from being broken and damaged due to untimely maintenance, further avoids major accidents, can automatically detect the working state of the device in the device, can avoid the condition that the device is seriously corroded due to long-time rainwater soaking, simultaneously prevents rainwater from infiltrating to corrode a lower-layer main structure, protects a bridge main body, and eliminates the potential safety hazard problem at the bridge joint.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-4, the equipotential variable-pitch bridge expansion joint apparatus according to the present invention includes two bridge base plates 11 symmetrically disposed at left and right sides, a base plate gap 44 is left between the two bridge base plates 11, a waterproof cavity 400 is disposed at an upper end of the base plate gap 44, a waterproof compression block 16 is fixedly disposed in an upper wall of the waterproof cavity 400, main steel plates 15 are symmetrically disposed at two ends of the waterproof compression block 16, main steel bars 13 are fixedly disposed on a side wall of the main steel plate 15 away from the waterproof compression block 16, the main steel bars 13 are used for bearing a load in an up-down direction, so that when the main steel plate 15 is subjected to a load in the up-down direction, deformation of the main steel plate 15 is reduced, auxiliary steel bars 14 are disposed in the main steel bars 13, the auxiliary steel bars 14 are fixedly disposed on a side wall of the main steel plate 15 away from the waterproof compression block 16, and the auxiliary steel bars 14 are used for bearing, the deformation of the main steel plate 15 can be reduced when the main steel plate 15 is subjected to a load in the left and right directions, when the bridge deck expands or contracts, the main steel plate 15 can be driven to integrally displace, the lower end of the waterproof cavity 400 is provided with the waterproof rubber plate 24, the waterproof rubber plate 24 is used for sealing the substrate gap 44, so as to prevent rainwater from entering the substrate gap 44, so as to corrode the interior of the bridge substrate 11, the two ends of the waterproof rubber plate 24 are provided with the rotatable small bolts 38, the small bolts 38 are in threaded connection with the main steel plate 15, so that the small bolts 38 can fix the waterproof rubber plate 24 on the main steel plate 15, the top wall of the main steel plate 15 is internally provided with the energy storage detection mechanism 301, the lower end of the energy storage detection mechanism 301 is provided with the drainage cavity 200, the drainage mechanism 201 is arranged in the drainage cavity 200, the drainage mechanism 201 can further drain accumulated water in the waterproof cavity 400, the main steel plate 15 keeps away from 16 one end of waterproof compression piece with it has poured waterproof adhesive 12 to fill between the bridge substrate 11, waterproof adhesive 12 solidify after can with bridge substrate 11 with main steel plate 15 links firmly, waterproof adhesive 12 lower extreme is equipped with fixed buffer gear 401, fixed buffer gear 401 set firmly in on the main steel plate 15, fixed buffer gear 401 can with main steel plate 15 is fixed on the bridge substrate 11.
Beneficially, the drainage mechanism 201 comprises a miniature water pump 36 arranged in the upper side wall and the lower side wall of the drainage cavity 200, a water pumping pipeline 37 is arranged in the lower end of the miniature water pump 36 in a communicated manner, a drainage pipeline 32 is arranged in the upper end of the miniature water pump 36 in a communicated manner, a one-way valve 42 is arranged in the drainage pipeline 32, the one-way valve 42 can prevent drained accumulated water from flowing backwards into the miniature water pump 36, a power cavity 100 is arranged on one side, far away from the waterproof compression block 16, of the drainage cavity 200, a main motor 33 is fixedly arranged in the lower wall of the power cavity 100, the main motor 33 is connected with the water pump 36 through a main driving shaft 35, a water level monitor 41 is arranged at the lower end of the drainage cavity 200, the water level monitor 41 is fixedly connected to the side wall, close to the waterproof compression block 16, of the main steel plate 15, and the, and then when ponding water level reachd when water level monitor 41's height, water level monitor 41 accessible vice transmission wire 34 drive main motor 33 starts the operation, when starting main motor 33, main motor 33 passes through main drive shaft 35 drives miniature suction pump 36 rotates, miniature suction pump 36 then can be with ponding through pumping pipe 37 with the drainage pipe 32 discharges outside the device.
Advantageously, the stored energy detecting mechanism 301 comprises a signal display panel 26 fixed in the top wall of the main steel plate 15, the lower end of the signal display panel 26 is provided with a main transmission wire 27, the lower end of the main transmission wire 27 is connected with the main motor 33, the right end of the signal display panel 26 is provided with a rubber block 28, the lower end of the rubber block 28 is fixedly provided with a small spring 29, the lower end of the small spring 29 is fixedly provided with a vibration sensor 31, the vibration sensor 31 is connected with the main transmission wire 27, and the signal display panel 26 can supply power to the vibration sensor 31 and the main motor 33 through the main transmission wire 27, when the rubber block 28 is pressed by a vehicle on the road surface, the rubber block 28 presses the vibration sensor 31 through the small spring 29, the number of times of pressing of the vibration sensor 31 can be recorded, and the signal display panel 26 can be displayed through the main transmission wire 27, and then used for reminding maintainers of maintaining in time.
Advantageously, the fixed damping mechanism 401 comprises a positioning block 23 fixed on the main steel plate 15, one end of the positioning block 23, which is far away from the waterproof compression block 16, is provided with a rotatable large bolt 21, the large bolt 21 is connected with the bridge baseplate 11 through threads, the main steel plate 15 can be fixed on the bridge baseplate 11 by the large bolt 21, the large bolt 21 is fixedly connected with the positioning block 23 through the positioning pin 22, further prevent the large bolts 21 from falling off due to the vibration of the main steel plate 15, a cushion pad 19 and a large spring 18 are fixedly arranged at the lower end of the main steel plate 15 in a rectangular array, the bridge base plate 11 is fixedly arranged at the lower ends of the large spring 18 and the buffer cushion 19, and the large spring 18 and the buffer cushion 19 can buffer the vibration amplitude of the main steel plate 15 when being pressed, so that the influence of the vibration of the main steel plate 15 on the bridge base plate 11 is reduced.
The following will describe in detail the use steps of an equipotential displacement bridge expansion joint device in conjunction with fig. 1 to 4:
when the bridge substrate 11 is heated and expanded, the bridge substrate 11 can drive the main steel plate 15 to extrude the waterproof compression block 16 so as to change the sizes of the substrate gap 44 and the waterproof cavity 400, so as to play a role of buffering, and prevent the bridge substrate 11 from being damaged due to heated extrusion, and as the device is used for a long time, rainwater leaked from the road surface can be caused in the waterproof cavity 400, when the accumulated water level in the waterproof cavity 400 reaches the height of the water level monitor 41, the water level monitor 41 can turn on the main motor 33 through the auxiliary transmission wire 34, the main motor 33 drives the micro water pump 36 to rotate through the main driving shaft 35, the micro water pump 36 can further discharge the accumulated water out of the device through the water pumping pipeline 37 and the drainage pipeline 32, meanwhile, when a vehicle on the road surface runs through the device, the wheel can extrude the rubber block 28, and when the rubber block 28 is extruded, the vibration sensor 31 is further extruded through the small spring 29, the vibration sensor 31 can record the pressed times and display the pressed times on the signal display battery board 26 through the main transmission wire 27, so that maintenance personnel can be reminded of timely maintenance.
The invention has the beneficial effects that: the device has a simple structure, can automatically detect the working state of the device, prevents the device from being broken and damaged due to untimely maintenance, further avoids major accidents, can automatically drain water by the active drainage mechanism in the device, can avoid the situation that the interior of the device is seriously corroded due to long-time rainwater soaking, simultaneously prevents rainwater from infiltrating and eroding the lower-layer main structure, protects the bridge main body, and eliminates the potential safety hazard problem at the bridge joint.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.