Device capable of monitoring state of swivel bridge

By installing displacement sensors and load sensors on the swing bridge, combined with drive motors and hydraulic rods, precise control of the swing bridge's rotation angle was achieved, solving the problem of difficult rotation angle control in existing technologies and improving construction safety and risk prevention capabilities.

CN223925740UActive Publication Date: 2026-02-17CHINA RAILWAY 19TH BUREAU GRP 1ST ENG +1
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Patent Information

Application Number
CN202520434314.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-17
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In existing technologies, the rotation of a bridge is achieved by using jacks to pull the steel ropes, but this makes it difficult to precisely control the rotation angle and poses a safety hazard.

Method used

A displacement sensor is used to monitor the tilt angle of the lower ball joint in real time. The rotating rod is driven to rotate by connecting the turntable, internal teeth, drive rod and drive motor. Combined with the load sensor to monitor the vertical load, the hydraulic rod is used to adjust the flatness of the support foot to achieve precise control of the rotation angle.

Benefits of technology

This improved the safety and risk control capabilities of swing bridge construction, ensured precise control of the rotation angle, and reduced the risk of overturning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device capable of monitoring the state of a swivel bridge, relates to the field of swivel bridge monitoring devices, and mainly aims to solve the problems that the rotation angle is inconvenient to control and the like in the current bridge swivel construction mode. A lower spherical hinge is fixed to the top of the bearing platform seat, a sleeve of an upper spherical hinge sleeves a limiting pin of the lower spherical hinge, a plurality of displacement sensors are arranged on the outer surface of the lower spherical hinge, a connecting rotating disc is fixed to the top of the upper spherical hinge, and the top of the bearing platform seat is rotationally connected with a rotating rod and a driving rod. A driving gear at the top of the rotating rod is meshed with internal teeth on the inner wall of the connecting turntable, the driving rod and the rotating rod are connected through a planetary gear, and a chain wheel is fixed on the driving rod; a plurality of supporting legs are arranged at the top of the bearing platform seat, sliding rods are arranged in the supporting legs, hydraulic rods are embedded in the bearing platform seat below the sliding rods, and the extending ends of the hydraulic rods are fixed to the lower ends of the sliding rods. The rotating angle is more accurate and easy to control.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of swivel bridge monitoring device, concretely relates to a device of monitoring swivel bridge state. BACKGROUND

[0002] Swivel bridge is the bridge that adopts swivel method construction, and the swivel construction of bridge refers to the method that the bridge structure is formed (poured or spliced) in the position of non-design axis, and then is put in place through swivel.

[0003] The swivel bridge usually adopts ball hinge technology to carry out swivel construction on the bridge, and due to the very large weight of the bridge, the swivel bridge will be inclined during swivel, and once the inclination exceeds the set range, the bridge will be overturned, and the swivel construction process of the swivel bridge usually pulls the steel rope through the opposite action of the jack to form the rotating force to drive the swivel bridge to realize the swivel, and the swivel method has the problem that the swivel angle is not convenient to control, and therefore, the utility model provides a device capable of monitoring the state of the swivel bridge. SUMMARY

[0004] The utility model solves the problem that the swivel angle is not convenient to control in the prior art through the opposite action of the jack to pull the steel rope to form the rotating force to drive the swivel bridge to realize the swivel.

[0005] The utility model aims at realizing the following:

[0006] It includes the bearing platform seat, lower ball hinge and upper ball hinge, the lower ball hinge is fixed at the top of the bearing platform seat, the upper ball hinge is located above the lower ball hinge, the middle part of the lower ball hinge is fixedly connected with the upward extending limit pin, the sleeve extending downward is fixed at the position corresponding to the limit pin of the lower ball hinge, the sleeve of the upper ball hinge is sleeved on the limit pin of the lower ball hinge, through the setting of the sleeve and the limit pin, the upper ball hinge can rotate on the lower ball hinge.

[0007] The outer surface of the lower ball hinge is fixedly connected with a plurality of displacement sensors, and the plurality of displacement sensors are distributed in the form of circular array on the outer surface of the lower ball hinge, and the inclination angle of the lower ball hinge is monitored in real time under the action of the plurality of displacement sensors, which provides reference for construction and improves the safety of the swivel construction of the bridge.

[0008] The top of the upper spherical hinge is fixedly connected with a connecting turntable, the rotating bridge body is installed on the connecting turntable, the inner wall of the connecting turntable is fixedly connected with a ring of internal teeth, the top of the bearing seat is rotatably connected with a rotating rod, the rotating rod is located at the side of the upper and lower spherical hinges, the top of the rotating rod is fixedly connected with a driving gear, the driving gear at the top of the rotating rod is meshed with the internal teeth on the inner wall of the connecting turntable, and the top of the bearing seat is also rotatably connected with a driving rod.

[0009] The driving rod and the rotating rod are connected through a planetary gear, and a sprocket is fixedly connected to the driving rod; the driving rod can be driven to rotate by using external driving equipment, for example, the sprocket on the driving rod and the sprocket on the output shaft of a driving motor are connected through a chain; the driving motor drives the driving rod to rotate, and then drives the rotating rod to rotate; the driving gear and the internal teeth are meshed to drive the connecting turntable to rotate.

[0010] The top of the bearing seat is fixedly connected with a plurality of support feet extending upwards and supporting the connecting turntable, the plurality of support feet are distributed in a circumferential array on the top of the bearing seat outside the lower spherical hinge, the inside of each support foot is slidably connected with a sliding rod, the inside of the bearing seat below each sliding rod is inlaid with a hydraulic rod for sliding and lifting the sliding rod, the extending end of the hydraulic rod is fixed to the lower end of the sliding rod, the sliding rod is lifted in the inside of the support foot by starting the hydraulic rod, and the flatness of the connecting turntable is adjusted.

[0011] The inside of the sleeve is fixedly connected with a fixed plate, and the bottom of the fixed plate is fixedly connected with a load sensor; the load sensor is arranged to monitor the vertical load between the lower spherical hinge and the upper spherical hinge, and the risk prevention and control capability of the bridge turn is effectively improved.

[0012] The device has the advantages that:

[0013] The device can monitor the inclination angle of the lower spherical hinge in real time, provide reference for construction, improve the safety of bridge turn construction, drive the rotating bridge to rotate through the connecting turntable, the internal teeth, the rotating rod and the driving rod, replace the mode of pulling the rotating bridge to rotate through traction steel ropes, and make the rotating angle more accurate and controllable.

[0014] The device can monitor the vertical load between the lower spherical hinge and the upper spherical hinge through the sleeve, the fixed plate, the load sensor and the limiting pin, effectively improve the risk prevention and control capability of the bridge turn, and support the connecting turntable during rotation through the support feet. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a cross-sectional structure schematic view of the device;

[0016] Figure 2 is Figure 1The enlarged structure schematic view at middle A;

[0017] Figure 3 The connecting state schematic view of the lower spherical hinge and the upper spherical hinge in the utility model is shown in figure 3;

[0018] Figure 4 The three-dimensional structure schematic view of the connecting turntable in the utility model is shown in figure 4. DETAILED DESCRIPTION

[0019] The utility model will be further explained below Figures 1-4 The utility model will be further explained below

[0020] It includes the bearing seat 1, the lower spherical hinge 2 and the upper spherical hinge 3, the lower spherical hinge 2 is fixed at the top of the bearing seat 1, the upper spherical hinge is located above the lower spherical hinge, the middle part of the lower spherical hinge 2 is fixedly connected with the upward extending limit pin 21, the upper spherical hinge 3 is fixed with the downward extending sleeve 31 at the position corresponding to the lower spherical hinge limit pin, the sleeve of the upper spherical hinge is sleeved on the limit pin of the lower spherical hinge, through setting the sleeve 31 and the limit pin 21, the upper spherical hinge 3 can rotate on the lower spherical hinge 2.

[0021] The outer surface of the lower spherical hinge 2 is fixedly connected with a plurality of displacement sensors 22, a plurality of displacement sensors 22 are distributed in the circumferential array mode on the outer surface of the lower spherical hinge, the inclination angle of the lower spherical hinge is monitored in real time under the action of a plurality of displacement sensors 22, which provides reference for construction and improves the safety of bridge rotation construction, the displacement sensor is also called linear sensor, which is a kind of linear device belonging to metal induction, the function of the sensor is to convert various measured physical quantities into electric quantities.

[0022] The number of displacement sensors is multiple, and the multiple displacement sensors are distributed in a circumferential array mode on the lower spherical hinge, and the surrounding of the lower spherical hinge is monitored in all directions by the multiple displacement sensors.

[0023] The top of the upper spherical hinge 3 is fixedly connected with a connecting turntable 4, the rotating bridge body is installed on the connecting turntable, the inner wall of the connecting turntable 4 is fixedly connected with a ring of internal toothing 41, the top of the bearing seat is rotatably connected with a rotating rod 5, the rotating rod is located on the side surface of the upper and lower spherical hinges, the top of the rotating rod 5 is fixedly connected with a drive gear 51, the drive gear 51 is engaged with the internal toothing 41 on the inner wall of the connecting turntable, the top of the bearing seat is also rotatably connected with a drive rod 6, and the drive rod is located on the outer side of the rotating rod;

[0024] The drive rod and the rotating rod are connected through a planetary gear 7, and a sprocket 61 is fixed on the drive rod; the drive rod can be driven to rotate by using external driving equipment, for example, the sprocket 61 on the drive rod and the sprocket on the output shaft of the driving motor are connected through a chain. The driving motor works to drive the drive rod to rotate, and then drives the rotating rod to rotate, and the connecting turntable is driven to rotate under the engagement of the drive gear and the internal toothing.

[0025] The driving rod and the rotating rod can also be connected by a chain wheel and a chain, that is, a chain wheel is fixedly connected to the driving rod and the rotating rod, the chain wheels on the driving rod and the rotating rod are connected by a transmission chain, and the rotating rod is driven to rotate under the action of the chain wheel and the transmission chain by rotating the driving rod.

[0026] A plurality of support feet 8 extending upward and supporting the connecting turntable are fixedly connected to the top of the bearing seat 1, the plurality of support feet are distributed in a circumferential array on the top of the bearing seat outside the lower spherical hinge, the support feet are cylindrical, a sliding rod 81 is slidingly connected to the inside of each support foot, a hydraulic rod 82 for pushing the sliding rod to slide and lift is embedded in the inside of the bearing seat below each sliding rod, the extended end of the hydraulic rod is fixed to the lower end of the sliding rod, the sliding rod is pushed to lift in the inside of the support foot by starting the hydraulic rod, and the flatness of the connecting turntable is adjusted.

[0027] A fixed plate 32 is fixedly connected to the inside of the sleeve 31, and a load sensor 33 is fixedly connected to the bottom of the fixed plate, the vertical load between the lower spherical hinge and the upper spherical hinge is monitored by the load sensor, and the risk prevention and control capability of the bridge turn is effectively improved.

[0028] The load sensor is a commercially available product.

[0029] Working principle: the inclination angle of the lower spherical hinge is monitored in real time by the displacement sensor, the safety of the bridge turn construction is improved, the vertical load between the lower spherical hinge and the upper spherical hinge is monitored under the action of the load sensor, the risk prevention and control capability of the bridge turn is effectively improved, the rotating rod is driven to rotate by driving the driving rod to rotate, the connecting turntable is driven to rotate horizontally under the meshing action of the driving gear and the internal tooth, the turn bridge is driven to rotate, the turn bridge is supported during rotation by the support feet, and the flatness of the connecting turntable is adjusted by starting the hydraulic rod to push the sliding rod to lift in the inside of the support feet.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments only illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed; the protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device capable of monitoring the state of a swing bridge, comprising a bearing seat (1), a lower spherical hinge (2) and an upper spherical hinge (3), the lower spherical hinge being fixed on the top of the bearing seat, the upper spherical hinge being located above the lower spherical hinge, the middle part of the lower spherical hinge being fixedly connected with an upward extending limiting pin (21), the upper spherical hinge being fixed with a downward extending sleeve (31) at the position corresponding to the limiting pin of the lower spherical hinge, the sleeve of the upper spherical hinge being sleeved on the limiting pin of the lower spherical hinge; characterized in that: a plurality of displacement sensors (22) are fixedly connected on the outer surface of the lower spherical hinge, the plurality of displacement sensors being distributed in a circumferential array on the outer surface of the lower spherical hinge; the top of the upper spherical hinge is fixedly connected with a connecting turntable (4), the inner wall of the connecting turntable being fixedly connected with an inner tooth (41), the top of the bearing seat being rotatably connected with a rotating rod (5), the rotating rod being located on the side of the upper and lower spherical hinges, the top of the rotating rod being fixedly connected with a driving gear (51), the driving gear on the top of the rotating rod being engaged with the inner tooth on the inner wall of the connecting turntable, the top of the bearing seat further being rotatably connected with a driving rod (6); the driving rod and the rotating rod are connected through a planetary gear (7), a chain wheel (61) being fixed on the driving rod.

2. The apparatus for monitoring the condition of a swing bridge according to claim 1, wherein: a plurality of upward extending support feet (8) for supporting the connecting turntable are fixedly connected on the top of the bearing seat outside the lower spherical hinge, the plurality of support feet being distributed in a circumferential array on the top of the bearing seat outside the lower spherical hinge.

3. The apparatus for monitoring the condition of a swing bridge according to claim 2, wherein: a sliding rod (81) is slidingly connected inside each support foot, a hydraulic rod (82) for pushing the sliding rod to slide up and down is embedded inside the bearing seat below each sliding rod, the extending end of the hydraulic rod being fixed with the lower end of the sliding rod.

4. The apparatus for monitoring the state of a pivot bridge according to claim 1 or 2, characterized in that: a fixed plate (32) is fixedly connected inside the sleeve (31), a load sensor (33) being fixedly connected on the bottom of the fixed plate.

5. The apparatus for monitoring the condition of a swing bridge according to claim 3, wherein: a fixed plate (32) is fixedly connected inside the sleeve (31), a load sensor (33) being fixedly connected on the bottom of the fixed plate.