CN210177366U - An Adaptive Transition Section Device for Solving Bridgehead Jumping - Google Patents

Abstract

The utility model discloses a solve self-adaptation changeover portion device of bridgehead skip car, include: the transition pit is concavely arranged between the roadbed and the bridge head; the base plate is arranged at the bottom of the transition pit, the two ends of the transition panel are respectively lapped with the roadbed and the bridge head, and the upper surfaces of the lapped parts are flush; the lifting adjusting device can axially stretch, one end of the lifting adjusting device is fixed on the base plate, and the other end of the lifting adjusting device vertically extends upwards and is fixed on the transition panel; the lifting adjusting device is at least arranged one corresponding to each of the four corners of the transition panel. By adopting the self-adaptive transition section device for solving the bump at the bridge head, the forward connection between the bridge head and the roadbed can be ensured, and the problem of bump at the bridge head is solved.

Description

Self-adaptive transition section device for solving bump at bridge head

Technical Field

The utility model relates to a bridgehead problem processing technical field that jumps, concretely relates to solve self-adaptation changeover portion device of bridgehead jump car.

Background

Generally, the settlement of the bridge head pile foundation and the settlement of the bridge head foundation section are greatly different under the influence of factors such as treatment measures, the rigidity of a structure and the like. Particularly, the difference is obvious in a soft soil area, the bridge pile foundations in the soft soil area are all driven into a better bearing stratum, and the measures taken by the surrounding roadbed are relatively weak, so that only a part of the measures are generally processed according to the situation. And limited by previous investigation means and cognition, after completion of engineering operation, the previous design may not achieve the expected effect, resulting in large post-construction settlement, causing differential settlement between the bridgehead and the roadbed, causing bridgehead vehicle jump, and seriously harming the life safety of drivers and passengers.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a solve self-adaptation changeover portion device of bridgehead car jump to guarantee bridgehead and road bed and meet in the same direction as, solve the bridgehead problem of jumping.

In order to achieve the above technical effects, the utility model discloses a technical scheme is:

an adaptive transition segment device for solving bump at bridge head comprises:

the transition pit is concavely arranged between the roadbed and the bridge head;

a substrate disposed at the bottom of the transition pit,

the two ends of the transition panel are respectively lapped with the roadbed and the bridge head, and the upper surfaces of the lapped parts are flush; and

the lifting adjusting device can axially extend and retract, one end of the lifting adjusting device is fixed on the base plate, and the other end of the lifting adjusting device vertically extends upwards and is fixed on the transition panel; the lifting adjusting device is at least arranged one corresponding to each of the four corners of the transition panel.

Further, the lift adjusting device includes: the device comprises a driving box, a telescopic mechanism, an inclinometer, a controller and a power supply box; the driving box is fixed on the lower surface of the transition panel and comprises a driving shell, a transmission box and a driving motor, wherein the transmission box and the driving motor are arranged in the driving shell; the telescopic mechanism comprises at least two layers of threaded sleeves which are sequentially screwed from inside to outside, the threaded sleeves are vertically arranged, the bottom end of the threaded sleeve on the outermost layer is fixedly connected with the base plate, and the top end of the threaded sleeve on the innermost layer is coaxially and drivingly connected with the output shaft of the transmission case; the inclinometer is arranged on the side face of the transition panel to acquire an inclination value signal of the transition panel; the controller is arranged in the driving shell and is electrically connected with the inclinometer and the driving motor respectively, and the controller acquires an inclination value signal and takes the inclination value signal as a control variable to control the driving motor to start to work until the inclination value measured by the inclinometer is within a set range; the power box sets up in the side of transition panel, power box respectively with inclinometer, driving motor and controller electric connection to provide the power.

Further, the lift adjusting device further includes: the axial bearing is movably sleeved on the output shaft of the transmission case between the top end of the threaded sleeve on the innermost layer and the lower end face of the driving shell, and the diameter of the threaded sleeve on the innermost layer is larger than that of the output shaft.

Further, the lift adjusting device further includes: go up the backup pad, it establishes to go up the backup pad movable sleeve on the output shaft of transmission case, go up the lower surface of backup pad with axial bearing upper end fixed connection goes up the upper surface of backup pad and drives the lower terminal surface butt of casing.

Further, the lower end face of the driving shell is provided with a concave cavity for accommodating the upper supporting plate.

Furthermore, a flexible pad is arranged between the upper supporting plate and the bottom surface of the cavity.

Furthermore, the bottom end of the threaded sleeve on the outermost layer is fixedly connected with the upper surface of the substrate through a fixed seat.

Further, the thread sleeve of the telescopic mechanism is provided with three layers.

Furthermore, the transition panel and the bridge head are connected through a bridge deck bearing platform, two opposite side portions of the bridge deck bearing platform are respectively provided with a lap joint in a concave mode, the transition panel and the bridge head are respectively lapped on the lap joint on one side, and therefore the upper surfaces of the transition panel, the bridge head and the bridge deck bearing platform are flush.

Furthermore, the transition panel and the bridge deck bearing platform are connected through a butt joint portion, the outer side of the butt joint portion is provided with a transverse movement prevention hinge, and two ends of the transverse movement prevention hinge are hinged and fixed to the side faces of the transition panel and the bridge deck bearing platform respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the transition section is built between the roadbed and the bridge head to carry out transition, the transition section is connected with the roadbed and the bridge head by the transition panel, the transition panel is supported by the lifting adjusting device by taking the base plate as the lower part foundation, the posture of the transition panel can be adjusted at any time by the lifting adjusting function of the lifting adjusting device, the transition panel is ensured to be connected with the roadbed and the bridge head in a forward manner, differential settlement is avoided, factors causing vehicle jump at the bridge head are eliminated, and therefore the problem of vehicle jump at the bridge head is solved;

2. the method can be applied to pretreatment for preventing differential settlement during new construction of the bridgehead, and can also be used for treatment of bridgehead roadbeds of operation roads, and the practicability is high.

Drawings

Fig. 1 is a schematic view of a planar structure in a field use state according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of section A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of section B-B of FIG. 1;

fig. 4 is a schematic structural diagram of a transition section according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a lifting adjusting device according to an embodiment of the present invention;

fig. 6 is a schematic connection diagram of each charged element according to an embodiment of the present invention;

fig. 7 is a logic diagram of the embodiment of the present invention for automatically controlling the lifting;

reference numerals: 1-transition section device, 11-transition pit, 12-base plate, 13-transition panel, 14-lifting adjusting device, 141-driving box, 1411-driving shell, 1412-transmission box, 14121-input shaft, 14122-output shaft, 1413-driving motor, 1414-cavity, 142-telescoping mechanism, 1421-threaded sleeve, 143-inclinometer, 144-controller, 145-power supply box, 146-axial bearing, 147-upper supporting plate, 148-flexible pad, 149-fixed seat, 15-anti-transverse-movement hinge, 16-pavement layer, 2-roadbed, 3-bridge deck bearing platform and 4-bridge head.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

As shown in fig. 1 to fig. 5, the adaptive transition section device 1 for solving vehicle bump at bridge head provided in this embodiment is constructed between the roadbed 2 and the bridge head 4 for transition, so that the good settlement of the bridge head 4 and the roadbed 2 is kept continuously, differential settlement is avoided, the roadbed 2 and the bridge head 4 are ensured to be connected in sequence, and a factor causing vehicle bump at bridge head 4 is eliminated, thereby solving the problem of vehicle bump at bridge head 4.

As shown in fig. 2, the transition section device 1 is mainly composed of a transition pit 11, a base plate 12, a transition panel 13, and a lift adjusting device 14. The transition pit 11 is arranged between the roadbed 2 and the bridge head 4 in a sunken mode, and the bottom of the transition pit 11 is used as a supporting foundation of the transition section device 1 through a rigid reinforced concrete building base plate 12. The transition panel 13 may also be made of rigid reinforced concrete slab, and both ends of the transition panel are respectively overlapped with the roadbed 2 and the bridge head 4, and the upper surfaces of the overlapped parts are flush, so as to form smooth transition of the road surface.

The overlap joint of transition panel 13 and 2 one ends of road bed adopts the last commonly used attachment strap structure of road engineering can, be about to set the tip of transition panel 13 to flat head form live step form, and 2 tip of road bed set up the access that the structure matches, with the tip of transition panel 13 on the access. And the overlap joint of the other end of transition panel 13 and bridgehead 4, accessible bridge deck cushion cap 3 links up, specifically is to set up the overlap joint mouth at the two-phase opposite side of bridge deck cushion cap 3 is concave respectively, and transition panel 13 and bridgehead 4 overlap joint respectively on the overlap joint mouth of one side, make transition panel 13, bridgehead 4 and bridge deck cushion cap 3's upper surface parallel and level. In order to prevent the transition panel 13 and the bridge head 4 from generating transverse movement, a transverse movement prevention hinge 15 can be arranged on the outer side of the butt joint part of the transition panel 13 and the bridge deck bearing platform 3, and two ends of the transverse movement prevention hinge 15 are respectively hinged and fixed on the side surfaces of the transition panel 13 and the bridge deck bearing platform 3, so that transverse displacement of the transition panel 13 and the bridge deck bearing platform 3 is limited, certain longitudinal displacement capacity between the transition panel 13 and the bridge deck bearing platform 3 is reserved, lifting adjustment is carried out on the transition panel 13, and smooth bridge deck transition is guaranteed. In the actual road construction process, the road bed 2, the transition panel 13, the bridge deck 3 and the bridge head 4 are paved with the pavement 16 to improve the driving environment, but in this embodiment, the pavement 16 paved on the upper surface of the transition panel 13 is preferably made of a light material to reduce the gravity applied to the lower structure by the transition panel 13.

The transition panel 13 is supported by taking the base plate 12 as a lower part foundation through a lifting adjusting device 14, the lifting adjusting device 14 can axially extend and retract, one end of the lifting adjusting device 14 is fixed on the base plate 12, and the other end of the lifting adjusting device 14 vertically extends upwards and is fixed on the transition panel 13; the four corners at least corresponding to the transition panel 13 are respectively provided with one, the specific configuration quantity is matched with the specific specification of the transition panel 13, the longer the length of the transition panel 13 is, the more the configuration quantity is correspondingly increased, so as to ensure that the transition panel 13 can be effectively supported and adjusted, the posture of the transition panel 13 can be adjusted at any time through the lifting adjusting function of the lifting adjusting device 14, and the transition panel 13 is ensured to be connected with the roadbed 2 and the bridge head 4 in the same direction.

As shown in fig. 4, the lifting adjustment device 14 includes: drive box 141, telescopic mechanism 142, inclinometer 143, controller 144 and power box 145. The driving box 141 is fixed on the lower surface of the transition panel 13, and includes a driving housing 1411, a transmission box 1412 and a driving motor 1413 which are arranged in the driving housing 1411, an input shaft 14121 of the transmission box 1412 is connected with a main shaft of the driving motor 1413, and an output shaft 14122 of the transmission box 1412 is vertically arranged downwards and protrudes out of the driving housing 1411. The telescopic mechanism 142 comprises at least two layers of threaded sleeves 1421 which are screwed in turn from inside to outside, the specific number of layers of the threaded sleeves 1421 is selected by matching the preset sedimentation range to be adjusted, and the larger the preset sedimentation range is, the more layers of telescopic mechanisms 142 are naturally required to be selected, so that the sufficient telescopic adjustment amount and the support strength are ensured. The threaded sleeves 1421 are vertically arranged, the bottom end of the threaded sleeve 1421 at the outermost layer is fixedly connected with the base plate 12, and the top end of the threaded sleeve 1421 at the innermost layer is coaxially and drivingly connected with the output shaft 14122 of the transmission case 1412; therefore, when the driving motor 1413 is started to operate, the threaded sleeves 1421 of the layers (at least two layers) of the telescopic mechanism 142 are driven to rotate relatively, so as to achieve telescopic operation.

The telescopic driving of the telescopic mechanism 142 by the driving motor 1413 is automatically realized according to the differential settlement condition at the bridge head, specifically, the inclinometer 143 is arranged on the side surface of the transition panel 13 to obtain an inclination value signal of the transition panel 13; the inclinometer 143 in this embodiment can be a TDCX-801 series inclinometer manufactured by world sensor limited, altar, which is widely used for settlement observation of dams, side slopes, and structural foundations, and has reliable functions. Meanwhile, the controller 144 is installed in the driving housing 1411, as shown in fig. 6, the controller 144 is electrically connected to the inclinometer 143 and the driving motor 1413, respectively, and of course, the power supply of the inclinometer 143, the driving motor 1413 and the controller 144 is provided by the power supply box 145, and the power supply box 145 is electrically connected to the inclinometer 143, the driving motor 1413 and the controller 144, respectively, to provide the power supply. In this embodiment, the power supply box 145 is disposed on the side surface of the transition panel 13, which facilitates maintenance and replacement of the battery.

As shown in fig. 7, the controller 144 obtains an inclination value signal measured by the inclinometer 143 in real time, a gradient threshold (i.e., an inclination value) of the transition panel 13 in the transverse direction and the longitudinal direction is preset in the controller 144, when the inclination value is within the threshold range, the controller 144 does not start the driving motor 1413, and once the inclination value is changed out of the threshold range, the controller 144 controls the driving motor 1413 to start up by using the inclination value signal as a control variable until the inclination value measured by the inclinometer 143 is restored to the set range again. Of course, multiple lift adjusters 14 may be used simultaneously, and their controllers 144 may share one controller to perform uniform synchronous control, so that the activation and response of adjustment are more accurate and reliable.

As shown in fig. 5, in the embodiment, the threaded sleeve 1421 of the telescopic mechanism 142 is preferably provided with an inner layer, a middle layer and an outer layer, so that the telescopic mechanism 142 has three times of telescopic adjustment amount, and is sufficiently adapted to the use environment of conventional bridgehead adjustment; meanwhile, the thread of the threaded sleeve 1421 is preferably a trapezoidal thread, which has high structural strength and can more reliably bear the pressure applied in the axial direction of the telescopic mechanism 142. The bottom end of the outermost threaded sleeve 1421 is fixedly connected to the upper surface of the substrate 12 through a fixing seat 149, so as to ensure the firmness, stability and reliability of the fixing foundation.

Meanwhile, because the innermost threaded sleeve 1421 moves relative to the driving housing 1411 of the driving box 141 during the rotation process, in order to ensure the smoothness of the rotation of the threaded sleeve 1421, the axial bearing 146 is not provided in the embodiment, and specifically, the axial bearing 146 is movably sleeved on the output shaft 14122 between the top end of the innermost threaded sleeve 1421 and the lower end surface of the driving housing 1411, and the diameter of the innermost threaded sleeve 1421 is greater than that of the output shaft 14122, so that the upper end and the lower end of the axial bearing 146 are respectively abutted between two relatively rotating structures, thereby ensuring the smoothness of the rotation, bearing the pressure from the axial direction, and prolonging the service life of the threaded sleeve 1421.

Under the condition of further optimizing the structure, an upper supporting plate 147 can be additionally arranged for the lifting adjusting device 14, the upper supporting plate 147 is movably sleeved on the output shaft 14122 of the transmission case 1412, the lower surface of the upper supporting plate 147 is fixedly connected with the upper end of the axial bearing 146, the upper surface of the upper supporting plate 147 is abutted against the lower end surface of the driving shell 1411, the contact area is increased, and the abutting connection stability among the threaded sleeve 1421, the axial bearing 146 and the transmission case 1412 is improved. And a cavity 1414 for accommodating the upper support plate 147 can be arranged on the lower end surface of the driving housing 1411, and the upper support plate 147 is fittingly clamped in the cavity 1414, so that the connection is more stable, and the upper support plate 147 is prevented from rotating along with the axial bearing 146. Of course, a flexible pad 148 can be arranged between the upper supporting plate 147 and the bottom surface of the cavity 1414 to realize flexible contact in the direction opposite to the pressure bearing direction, and can play a certain role in shock absorption, reduce the shock damage of the telescopic mechanism 142 to the screw thread in the using process, and avoid the automatic loosening and shortening of the screw thread connection under the shock effect, so that the transition panel 13 can be stably supported and butted for a longer time.

The self-adaptive transition section device 1 for solving the problem of vehicle bump at the bridge head can be installed at a newly-built bridge head, a transition pit 11 is dug on a foundation where the bridge head 4 goes out, or the transition pit 11 in other forms is built by utilizing the terrain environment, and then the installation of other structures is completed in the transition pit 11, so that the phenomenon of vehicle bump at the bridge head caused by differential settlement in the future operation process of the bridge deck can be avoided, and the phenomenon that the vehicle bump at the bridge head cannot be adjusted due to the differential settlement in the later operation process is avoided. Of course, even on an operating road, the structure can be laid, the base plate 12 and the transition panel 13 are installed at corresponding positions outside the bridge head 4 in a pushing or digging mode, and the lifting adjusting device is placed at the corresponding position between the base plate 12 and the transition panel 13 in a drilling or static pressure mode. The bridge head anti-differential settlement pretreatment method can be applied to pretreatment of bridge head anti-differential settlement during new construction of bridges, can also be used for treatment of bridge head roadbeds of operation roads, effectively solves the problem of bridge head bumping, and is high in practicability.

It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. a self-adaptive transition section device for solving bridgehead jumping, is characterized in that, comprises: The transition pit, the depression is set between the roadbed and the bridge head; The substrate is arranged at the bottom of the transition pit, Transition panels, the two ends of which are overlapped with the roadbed and the bridge head respectively, and the upper surfaces of the overlapped places are flush; and A lift adjusting device, which can be extended and retracted axially, one end of the lift adjusting device is fixed on the base plate, and the other end extends vertically upward and is fixed to the transition panel; the lift adjusting device corresponds to at least the four corners of the transition panel Set one for each. 2. The self-adaptive transition section device for solving bridgehead jumping according to claim 1, wherein the lifting adjustment device comprises: a drive box, a telescopic mechanism, an inclinometer, a controller and a power supply box; The drive case is fixed on the lower surface of the transition panel, and includes a drive case, a transmission case and a drive motor arranged in the drive case, the input shaft of the transmission case is connected with the main shaft of the drive motor, and the output shaft of the transmission case is It is arranged vertically downward and protrudes from the drive housing; The telescopic mechanism includes at least two layers of threaded sleeves that are screwed in sequence from the inside to the outside, the threaded sleeves are arranged vertically, and the bottom end of the outermost threaded sleeve is fixedly connected to the base plate, and the innermost threaded sleeve is fixedly connected. The top end of the threaded sleeve of the layer is coaxially drivingly connected with the output shaft of the transmission case; The inclinometer is arranged on the side of the transition panel to obtain the inclination value signal of the transition panel; The controller is installed in the drive housing, and the controller is electrically connected to the inclinometer and the drive motor respectively. The controller obtains the inclination value signal and uses it as a control variable to control the drive motor to start. Work until the inclination value measured by the inclinometer is within the set range; The power supply box is arranged on the side of the transition panel, and the power supply box is respectively electrically connected with the inclinometer, the drive motor and the controller to provide power. 3 . The adaptive transition section device for solving bridgehead jumping according to claim 2 , wherein the lifting adjustment device further comprises: an axial bearing, the axial bearing is movably sleeved on all the innermost layers. 4 . on the output shaft of the transmission case between the top end of the threaded sleeve and the lower end face of the drive housing, and the diameter of the innermost threaded sleeve is larger than that of the output shaft. 4 . The adaptive transition section device for solving bridge head jumping according to claim 3 , wherein the lifting adjustment device further comprises: an upper support plate, the upper support plate is movably sleeved on the transmission case. 5 . On the output shaft, the lower surface of the upper support plate is fixedly connected with the upper end of the axial bearing, and the upper surface of the upper support plate is in contact with the lower end surface of the drive housing. 5 . The adaptive transition section device for solving bridge head jumping according to claim 4 , wherein the lower end surface of the drive housing is provided with a cavity for accommodating the upper support plate. 6 . 6 . The adaptive transition section device for solving bridge head jumping according to claim 5 , wherein a flexible pad is provided between the upper support plate and the bottom surface of the cavity. 7 . 7 . The adaptive transition section device for solving bridgehead jumping according to claim 2 , wherein the bottom end of the outermost threaded sleeve is fixedly connected to the upper surface of the base plate through a fixing seat. 8 . 8 . The adaptive transition section device for solving bridge head jumping according to claim 2 , wherein the threaded sleeve of the telescopic mechanism is provided with three layers. 9 . 9 . The adaptive transition section device for solving bridge head jumping according to claim 1 , wherein the transition panel and the bridge head are connected by a bridge deck cap, and two opposite sides of the bridge deck cap are concave respectively. 10 . An overlap port is provided, and the transition panel and the bridge head are respectively overlapped on one side of the overlap port, so that the upper surfaces of the transition panel, the bridge head and the bridge deck are flush. 10 . The adaptive transition section device for solving bridge head jumping according to claim 9 , wherein an anti-traverse hinge is provided on the outer side of the butt joint between the transition panel and the bridge deck, and the anti-traverse hinge is provided. 11 . The two ends are hingedly fixed on the side of the transition panel and the bridge deck cap respectively.

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