CN219495628U

CN219495628U - Deformation monitoring device for swivel spherical hinge sliding block

Info

Publication number: CN219495628U
Application number: CN202223559046.6U
Authority: CN
Inventors: 孙震; 李建强; 杨帆; 贺建阳
Original assignee: Liuzhou Taimu Prestressing Force Machinery Co ltd; China Railway Eryuan Northern Survey And Design Co ltd
Current assignee: Liuzhou Taimu Prestressing Force Machinery Co ltd; China Railway Eryuan Northern Survey And Design Co ltd
Priority date: 2022-10-21
Filing date: 2022-12-30
Publication date: 2023-08-08
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a turn ball pivot slider deflection monitoring devices, includes ball pivot, lower ball pivot, slider, installs the slider between last ball pivot and lower ball pivot and warp the monitoring unit, ball pivot down is connected to slider deformation monitoring unit one end, and the ball pivot down is connected to the other end, monitors last ball pivot, clearance H between the ball pivot down, when adopting the stay cord sensor to warp the monitoring unit for the slider, and the stay cord sensor is fixed in down the ball pivot, the stay cord upper end of elastic mechanism's elasticity promotion stay cord sensor upwards stretches out, and the ball pivot is gone up in the jack-up, and elastic mechanism adopts the spring, the spring cup joints in the stay cord outer end, and the spring top of spring moves the stay cord upper end upwards stretches out, and jack-up ball pivot. The sliding block deformation monitoring device has the advantages that the sliding block deformation monitoring unit is used for monitoring the working state of the sliding block in real time, and the performance of the rotating body support in the whole construction period is ensured to meet the rotating body requirement.

Description

Deformation monitoring device for swivel spherical hinge sliding block

Technical Field

The utility model relates to the technical field of bridge swivel supports, in particular to a swivel ball hinge sliding block deformation monitoring device.

Background

In bridge swivel technical field, adopt swivel ball pivot to accomplish the requirement of swivel generally, swivel ball pivot is supported by upper and lower ball pivot, slider, and a plurality of sliders that set up between upper and lower ball pivot are at the swivel in-process, if the slider warp or damage, the clearance H between upper and lower ball pivot changes, will influence the performance of swivel support, to this kind of problem, the technical scheme that has not solved yet.

Disclosure of Invention

The utility model aims to provide a swivel ball hinge sliding block deformation monitoring device capable of monitoring the sliding block deformation in real time.

The technical scheme disclosed by the utility model is as follows:

the utility model provides a turn ball pivot slider deflection monitoring devices, includes ball pivot, lower ball pivot, slider, installs slider deformation monitoring unit between last ball pivot and lower ball pivot, slider deformation monitoring unit one end is connected down the ball pivot, and the ball pivot is gone up in the other end connection, monitors the clearance H between last ball pivot, the lower ball pivot.

As a preferable scheme, the sliding block deformation monitoring unit comprises a stay rope sensor and an elastic mechanism, wherein the stay rope sensor is fixed on the lower spherical hinge, and the elastic force of the elastic mechanism pushes the upper end of the stay rope sensor to extend upwards to prop against the upper spherical hinge.

As a preferable scheme, the lower spherical hinge is provided with a mounting groove, the mounting groove is used for mounting a pull rope sensor, a compression ring is covered above the pull rope sensor, the compression ring is of an open pore structure, and the elastic mechanism and the pull rope extend outwards from the open pore of the compression ring.

As an optimal scheme, the elastic mechanism adopts a spring, the spring is sleeved at the outer end of the pull rope, and the spring pushes the upper end of the pull rope to extend upwards to prop against the upper spherical hinge.

As a preferable scheme, the opening of the clamp ring is sleeved with the protective cover, the bottom of the protective cover is of a step structure, and when the protective cover moves outwards to be in contact with the opening of the clamp ring, the step clamps the clamp ring and limits the extending position of the protective cover; the elastic mechanism and the pull rope are propped against the inner wall of the protective cover and are connected with the upper spherical hinge through the protective cover.

The utility model has the beneficial effects that the state of the working process of the sliding block is monitored in real time by adopting the sliding block deformation monitoring unit, so that the performance of the rotating body support in the whole construction period is ensured to meet the rotating body requirement.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 2 is a schematic structural view of the slider deformation monitoring unit 4.

Fig. 3 is an enlarged view of a portion of the structure shown in fig. 2.

Fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.

The detail of the components of the drawings is as follows: the device comprises an upper spherical hinge 1, a lower spherical hinge 2, a sliding block 3, a sliding block deformation monitoring unit 4, a compression ring 5, a protective cover 6, a pull rope 7, an elastic mechanism 8 and a pull rope sensor 9.

Detailed Description

The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:

the present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "horizontal", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 and 2, the present utility model includes an upper spherical hinge 1, a lower spherical hinge 2, and a sliding block 3, wherein a sliding block deformation monitoring unit 4 is installed between the upper spherical hinge 1 and the lower spherical hinge 2, one end of the sliding block deformation monitoring unit 4 is connected with the lower spherical hinge 2, and the other end is connected with the upper spherical hinge 1, so as to monitor a gap H between the upper spherical hinge 1 and the lower spherical hinge 2.

The deformation monitoring unit 4 may employ a pull rope sensor or a resistance, voltage type displacement sensor.

The slider deformation monitoring units 4 are provided in plural numbers and are respectively installed in the vicinity of the slider 3.

In this embodiment, a pull rope sensor is adopted, the slider deformation monitoring unit 4 comprises a pull rope sensor 9 and an elastic mechanism 8, the pull rope sensor 9 is fixed on the lower spherical hinge 2, the elastic force of the elastic mechanism 8 pushes the upper end of the pull rope 7 of the pull rope sensor 9 to extend upwards to prop against the upper spherical hinge 1, and the gap H between the upper spherical hinge and the lower spherical hinge is measured through the pull rope sensor 9.

The lower spherical hinge 2 is provided with a mounting groove, the mounting groove is used for mounting a pull rope sensor 9, a compression ring 5 is screwed above the pull rope sensor 9 in a threaded connection mode, the compression ring 5 is of an open pore structure, and the elastic mechanism 8 and the pull rope 7 extend outwards from an open pore of the compression ring 5.

Referring to fig. 2 and 3, the opening of the clamp ring 5 is sleeved with the protective cover 6, the bottom of the protective cover 6 is in a step structure, and when the protective cover 6 moves outwards to contact with the opening of the clamp ring 5, the step clamps the clamp ring 5 to limit the extending position of the protective cover 6; the elastic mechanism 8 and the pull rope 7 are propped against the inner wall of the protective cover 6, the upper spherical hinge 1 is connected through the protective cover 6, the height of the protective cover 6 is larger than the gap H between the upper spherical hinge and the lower spherical hinge, and the protective cover 6 is reliably propped against the upper spherical hinge after the upper spherical hinge and the lower spherical hinge are installed.

The elastic mechanism 8 adopts a spring, the spring is sleeved at the outer end of the pull rope 7, and the spring of the spring pushes the upper end of the pull rope 7 to extend upwards to prop against the upper spherical hinge 1. The elastic mechanism 8 can also adopt other structures, and the technical scheme of the utility model is that the stay cord 7 can be pulled out to prop the upper spherical hinge 1.

According to the design principle, the utility model has the following embodiments:

embodiment one:

as shown in fig. 1, the installation groove of the lower spherical hinge 2 is positioned between two adjacent sliding blocks with different radial directions, and the installation groove is provided with a pull rope sensor 9.

Embodiment two:

as shown in fig. 3, the installation groove provided in the lower ball hinge 2 is located at the outer edge, and the installation groove installs the pull rope sensor 9.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a turn ball pivot slider deflection monitoring devices, includes ball pivot (1), lower ball pivot (2), slider (3), its characterized in that: and a sliding block deformation monitoring unit (4) is arranged between the upper spherical hinge (1) and the lower spherical hinge (2), one end of the sliding block deformation monitoring unit (4) is connected with the lower spherical hinge (2), the other end of the sliding block deformation monitoring unit is connected with the upper spherical hinge (1), and a gap H between the upper spherical hinge (1) and the lower spherical hinge (2) is monitored.

2. The swivel ball pivot slider deformation monitoring device according to claim 1, wherein: the sliding block deformation monitoring unit (4) comprises a pull rope sensor (9) and an elastic mechanism (8), wherein the pull rope sensor (9) is fixed on the lower spherical hinge (2), and the elastic force of the elastic mechanism (8) pushes the upper end of a pull rope (7) of the pull rope sensor (9) to extend upwards to prop against the upper spherical hinge (1).

3. The swivel ball pivot slider deformation monitoring device according to claim 2, wherein: the lower spherical hinge (2) is provided with a mounting groove, the mounting groove is used for mounting a pull rope sensor (9), a compression ring (5) is covered above the pull rope sensor (9), the compression ring (5) is of an open pore structure, and the elastic mechanism (8) and the pull rope (7) extend outwards from the open pore of the compression ring (5).

4. The swivel ball hinge slider deformation monitoring device according to claim 2 or 3, wherein: the elastic mechanism (8) adopts a spring, the spring is sleeved at the outer end of the pull rope (7), and the spring pushes the upper end of the pull rope (7) to extend upwards to prop against the upper spherical hinge (1).

5. The swivel ball pivot slider deflection monitoring device of claim 3, wherein: the protective cover (6) is sleeved at the opening of the clamp ring (5), the bottom of the protective cover (6) is of a step structure, and when the protective cover (6) moves outwards to be in contact with the opening of the clamp ring (5), the clamp ring (5) is clamped, and the extending position of the protective cover (6) is limited; the elastic mechanism (8) and the pull rope (7) are propped against the inner wall of the protective cover (6), and are connected with the spherical hinge (1) through the protective cover (6).