阅读说明：本技术 一种桥梁橡胶支座剪切变形量检测装置 (Bridge rubber support shear deformation detection device ) 是由 李岭 李峰 葛怀琴 夏霞 牛海鸥 马奔 王许 王俊松 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种桥梁橡胶支座剪切变形量检测装置,包括上测杆、下测杆、底座和待测支座,所述底座的外壁一侧设有对称的第一调节制动装置和第二调节制动装置,所述第一调节制动装置和第二调节制动装置的侧壁分别设有限位滑槽,且第一调节制动装置通过限位滑槽滑动连接有第一U型杆和第三U型杆,第二调节制动装置通过限位滑槽滑动连接有第二U型杆和第四U型杆,所述上测杆水平贯穿于第一U型杆和第二U型杆的侧壁,所述下测杆水平贯穿于第三U型杆和第四U型杆的侧壁。本发明克服了现有技术的不足,设计合理,既可采用数据采集方式进行电子检测,也可通过人工计算进行检测,适用范围广,具有较高的社会使用价值和应用前景。(The invention discloses a device for detecting the shearing deformation of a bridge rubber support, which comprises an upper measuring rod, a lower measuring rod, a base and a support to be detected, wherein a first adjusting and braking device and a second adjusting and braking device which are symmetrical are arranged on one side of the outer wall of the base, the side walls of the first adjusting and braking device and the second adjusting and braking device are respectively provided with a limiting sliding chute, the first adjusting and braking device is connected with a first U-shaped rod and a third U-shaped rod through the limiting sliding chutes in a sliding manner, the second adjusting and braking device is connected with a second U-shaped rod and a fourth U-shaped rod through the limiting sliding chutes in a sliding manner, the upper measuring rod horizontally penetrates through the side walls of the first U-shaped rod and the second U-shaped rod, and the lower measuring rod horizontally penetrates through the side walls of the third U-shaped rod and the fourth U-shaped rod. The invention overcomes the defects of the prior art, has reasonable design, can adopt a data acquisition mode to carry out electronic detection, can also carry out detection by manual calculation, has wide application range, and has higher social use value and application prospect.)

1. The utility model provides a bridge rubber support shear deformation detection device, includes measuring staff (1), lower measuring staff (2), base (3) and support (23) that await measuring, its characterized in that: a first adjusting brake device (6) and a second adjusting brake device (7) which are symmetrical are arranged on one side of the outer wall of the base (3), the side walls of the first adjusting brake device (6) and the second adjusting brake device (7) are respectively provided with a limiting sliding chute (11), the first adjusting brake device (6) is connected with a first U-shaped rod (12) and a third U-shaped rod (14) through the limiting sliding chute (11) in a sliding manner, the second adjusting brake device (7) is connected with a second U-shaped rod (13) and a fourth U-shaped rod (15) through the limiting sliding chute (11) in a sliding manner, the upper measuring rod (1) horizontally penetrates through the side walls of the first U-shaped rod (12) and the second U-shaped rod (13), the lower measuring rod (2) horizontally penetrates through the side walls of the third U-shaped rod (14) and the fourth U-shaped rod (15), and a first connecting rod (16) is horizontally connected between the first U-shaped rod (12) and the second U-shaped rod (13), a second connecting rod (17) is horizontally connected between the third U-shaped rod (14) and the fourth U-shaped rod (15), the side walls of the first connecting rod (16) and the second connecting rod (17) are respectively connected with a second electric push rod (22), the upper end walls of the first U-shaped rod (12), the second U-shaped rod (13), the third U-shaped rod (14) and the fourth U-shaped rod (15) are respectively provided with a first electric push rod (20), and one end of the first electric push rod (20) facing the base (3) is connected with a clamping plate (21), a connecting piece (19) is arranged at the center of one side of the outer wall of the base (3), and one side of the outer wall of the connecting piece (19) is vertically provided with a telescopic rod (4), the outer wall of the telescopic rod (4) is provided with a display (8) and a control switch (9), and the first electric push rod (20) and the second electric push rod (22) are respectively electrically connected with the control switch (9).

2. The device for detecting the shearing deformation of the bridge rubber support according to claim 1, is characterized in that: and a leveling pipe (5) is arranged on one side of the outer wall of the telescopic rod (4).

3. The device for detecting the shearing deformation of the bridge rubber support according to claim 1, is characterized in that: one end of the telescopic rod (4) far away from the connecting piece (19) is provided with an operating handle (10), and the outer wall of the operating handle (10) is provided with anti-skidding lines.

4. The device for detecting the shearing deformation of the bridge rubber support according to claim 1, is characterized in that: and the bottoms of the two ends of the first U-shaped rod (12), the second U-shaped rod (13), the third U-shaped rod (14) and the fourth U-shaped rod (15) are respectively and symmetrically provided with a limiting slide block (18).

5. The device for detecting the shearing deformation of the bridge rubber support according to claim 1, is characterized in that: the outer walls of the upper measuring rod (1), the lower measuring rod (2), the first adjusting and braking device (6) and the second adjusting and braking device (7) are respectively provided with scale marks.

6. The device for detecting the shearing deformation of the bridge rubber support according to claim 1, is characterized in that: and displacement sensors are respectively arranged in the first adjusting and braking device (6) and the second adjusting and braking device (7).

Technical Field

The invention relates to the technical field of bridge engineering detection, in particular to a device for detecting the shearing deformation of a bridge rubber support.

Background

The rubber bearing is a common bearing form in the bridge at present, is formed by tightly combining rubber and thin steel plates, is used for supporting the weight of the bridge, has enough vertical rigidity to bear vertical load, can reliably transmit the pressure of the superstructure to the abutment, has good elasticity to adapt to the rotation of a beam end, and has larger shearing deformation to meet the horizontal displacement of the superstructure. The shear deformation of the support is a reworked disease form in bridge diseases, the shear deformation of the support is not too large according to the existing standard requirements, the existing inspection means for the shear deformation of the support mainly comprises manual visual inspection, the surrounding space of the rubber support is small, a proper measuring instrument is not provided, the deformation angle of the support cannot be accurately detected, and therefore the shear deformation of the support cannot be accurately evaluated.

Because the vertical space of the position where the bridge rubber support is located is narrow and small, and is far away from the external space, the measurement of the shearing angle of the bridge rubber support is always a difficult point in the bridge detection work, and the existing approximate measuring device mainly has the defects of limited applicable environment or inconvenient operation flow and the like. Therefore, the device for detecting the shearing deformation of the bridge rubber support has an important function of accurately evaluating the shearing deformation of the rubber support, and can provide an accurate basis for the later-stage management and maintenance of the bridge.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the invention provides a device for detecting the shear deformation of a bridge rubber support.

In order to achieve the purpose, the invention adopts the following technical scheme:

a device for detecting the shearing deformation of a bridge rubber support comprises an upper measuring rod, a lower measuring rod, a base and a support to be detected, wherein a first adjusting and braking device and a second adjusting and braking device which are symmetrical are arranged on one side of the outer wall of the base, the side walls of the first adjusting and braking device and the second adjusting and braking device are respectively provided with a limiting sliding chute, the first adjusting and braking device is connected with a first U-shaped rod and a third U-shaped rod through the limiting sliding chutes in a sliding manner, the second adjusting and braking device is connected with a second U-shaped rod and a fourth U-shaped rod through the limiting sliding chutes in a sliding manner, the upper measuring rod horizontally penetrates through the side walls of the first U-shaped rod and the second U-shaped rod, the lower measuring rod horizontally penetrates through the side walls of the third U-shaped rod and the fourth U-shaped rod, a first connecting rod is horizontally connected between the first U-shaped rod and the second U-shaped rod, and a second connecting rod is horizontally connected between the third U-shaped rod and the, the lateral wall of head rod and second connecting rod is connected with second electric putter respectively, the upper end wall of first U type pole, second U type pole, third U type pole, fourth U type pole is equipped with first electric putter respectively, and first electric putter is connected with the pinch-off blades towards the one end of base, the center department of base outer wall one side is equipped with the connecting piece, and outer wall one side of connecting piece is equipped with the telescopic link perpendicularly, the outer wall of telescopic link is equipped with display and control switch, and first electric putter and second electric putter respectively with control switch electric connection.

Preferably, a leveling pipe is arranged on one side of the outer wall of the telescopic rod.

Preferably, the one end that the connecting piece was kept away from to the telescopic link is equipped with operating handle, and operating handle's outer wall is equipped with anti-skidding line.

Preferably, the bottom of the two ends of the first U-shaped rod, the second U-shaped rod, the third U-shaped rod and the fourth U-shaped rod are respectively and symmetrically provided with a limiting slide block.

Preferably, the outer walls of the upper measuring rod, the lower measuring rod, the first adjusting and braking device and the second adjusting and braking device are respectively provided with scale marks.

Preferably, displacement sensors are respectively arranged in the first adjusting brake device and the second adjusting brake device.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is suitable for most environments and is not limited by narrow vertical space, and the distance between the two measuring rods can be adjusted up and down;

2. the horizontal distance difference between the upper point and the lower point of the inclined surface of the support to be measured is directly measured, so that the influence of the deformation of the outer drum of the inclined surface of the support to be measured is avoided;

3. the measurement can be carried out no matter the inclination angle of the support to be measured is an elevation angle or a depression angle;

4. has the advantages of portability and portability;

5. the operation is convenient and fast, and the data acquisition can be realized without a complex operation process;

6. the accuracy is good, can adopt electronic processing system, also can obtain the result through manual calculation, meets the field work outage condition and still can use, and manual calculation also is convenient for check equipment simultaneously.

In conclusion, the invention overcomes the defects of the prior art, has reasonable design, can adopt a data acquisition mode to carry out electronic detection, can also carry out detection through manual calculation, has wide application range and higher social use value and application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure A-A according to the present invention.

In the figure: the device comprises an upper measuring rod 1, a lower measuring rod 2, a base 3, an expansion rod 4, a leveling pipe 5, a first adjusting brake device 6, a second adjusting brake device 7, a display 8, a control switch 9, an operating handle 10, a limiting sliding groove 11, a first U-shaped rod 12, a second U-shaped rod 13, a third U-shaped rod 14, a fourth U-shaped rod 15, a first connecting rod 16, a second connecting rod 17, a limiting sliding block 18, a connecting piece 19, a first electric push rod 20, a clamping plate 21, a second electric push rod 22 and a support 23 to be tested.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a device for detecting shearing deformation of a bridge rubber bearing comprises an upper measuring rod 1, a lower measuring rod 2, a base 3 and a bearing 23 to be detected, wherein one side of the outer wall of the base 3 is provided with a first adjusting and braking device 6 and a second adjusting and braking device 7 which are symmetrical, the side walls of the first adjusting and braking device 6 and the second adjusting and braking device 7 are respectively provided with a limiting chute 11, the first adjusting and braking device 6 is connected with a first U-shaped rod 12 and a third U-shaped rod 14 in a sliding manner through the limiting chute 11, the second adjusting and braking device 7 is connected with a second U-shaped rod 13 and a fourth U-shaped rod 15 in a sliding manner through the limiting chute 11, the upper measuring rod 1 horizontally penetrates through the side walls of the first U-shaped rod 12 and the second U-shaped rod 13, the lower measuring rod 2 horizontally penetrates through the side walls of the third U-shaped rod 14 and the fourth U-shaped rod 15, a first connecting rod 16 is horizontally connected between the first U-shaped rod 12 and the second, horizontally connected has second connecting rod 17 between third U type pole 14 and the fourth U type pole 15, the lateral wall of first connecting rod 16 and second connecting rod 17 is connected with second electric putter 22 respectively, first U type pole 12, second U type pole 13, third U type pole 14, the upper end wall of fourth U type pole 15 is equipped with first electric putter 20 respectively, and first electric putter 20 is connected with pinch-off blades 21 towards the one end of base 3, the center department of base 3 outer wall one side is equipped with connecting piece 19, and outer wall one side of connecting piece 19 is equipped with telescopic link 4 perpendicularly, the outer wall of telescopic link 4 is equipped with display 8 and control switch 9, and first electric putter 20 and second electric putter 22 respectively with control switch 9 electric connection.

Wherein, outer wall one side of telescopic link 4 is equipped with air level 5, and through setting up air level 5, equipment is in the horizontality when can guaranteeing data acquisition, avoids equipment slope to cause measuring error.

Wherein, the one end that connecting piece 19 was kept away from to telescopic link 4 is equipped with operating handle 10, and the outer wall of operating handle 10 is equipped with anti-skidding line, increases surface friction, helps the lifting of base 3.

Wherein, the bottom of the two ends of the first U-shaped rod 12, the second U-shaped rod 13, the third U-shaped rod 14 and the fourth U-shaped rod 15 are respectively and symmetrically provided with a limiting slide block 18, and the limiting slide blocks 18 slide up and down in the limiting slide grooves 11.

Wherein, the outer walls of the upper measuring rod 1, the lower measuring rod 2, the first adjusting and braking device 6 and the second adjusting and braking device 7 are respectively provided with scale marks, and the scale marks can be used for manual measurement, so that the calculation is convenient.

Wherein, displacement sensors are respectively arranged in the first adjusting brake device 6 and the second adjusting brake device 7, data are imported into a data processing system through the displacement sensors, the processing system automatically calculates the inclination angle theta according to the known conditions, and the inclination angle theta is transmitted to the display 8 through a data line arranged in the operating handle 10.

The working principle is as follows: in the invention, when the device is used, the distance between the upper measuring rod 1 and the lower measuring rod 2 can be adjusted up and down along the base 3 so as to meet the requirements of different measuring environments, the second electric push rod 22 is started through the control switch 9, and the second electric push rod 22 respectively drives the first connecting rod 16 and the second connecting rod 17 to be adjusted up and down, so that the distance between the upper measuring rod 1 and the lower measuring rod 2 is adjusted to a required scale value; the upper measuring rod 1 and the lower measuring rod 2 can freely move horizontally to realize displacement measurement, after the upper measuring rod 1 and the lower measuring rod 2 are contacted with the outer wall of a support 23 to be measured, horizontal movement is generated due to resistance, when the ends of the upper measuring rod 1 and the lower measuring rod 2 are tightly contacted with the support 23 to be measured, the first electric push rod 20 is started through the control switch 9, at the moment, the first electric push rod 20 drives the clamping plate 21 to brake the measuring rods, and the braked upper measuring rod 1 and the braked lower measuring rod 2 cannot move horizontally; at this time, the difference between the horizontal displacement of the upper measuring rod 1 and the horizontal displacement of the lower measuring rod 2 is equal to the difference between the horizontal distances between the upper point and the lower point of the support 23 to be measured; the difference between the vertical distance and the horizontal distance between the upper point and the lower point is known, at the moment, data are imported into a data processing system through a displacement sensor, the processing system automatically calculates the inclination angle theta according to known conditions and transmits the inclination angle theta to a display 8 through a data line arranged in an operating handle 10; in order to ensure that the equipment is in a horizontal state during data acquisition and avoid measurement errors caused by the inclination of the equipment, a leveling pipe 5 is arranged at the operating handle 10.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.