CN209763991U - Measuring device for shearing deformation of plate type rubber support - Google Patents
Measuring device for shearing deformation of plate type rubber support Download PDFInfo
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- CN209763991U CN209763991U CN201920896527.5U CN201920896527U CN209763991U CN 209763991 U CN209763991 U CN 209763991U CN 201920896527 U CN201920896527 U CN 201920896527U CN 209763991 U CN209763991 U CN 209763991U
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Abstract
The utility model provides a measuring device of plate rubber support shear deformation, measuring device includes the measuring device body and sets up activity measuring staff and the benchmark measuring staff on the measuring device body, activity measuring staff and benchmark measuring staff parallel arrangement, the activity measuring staff is along self length direction slidable setting and be used for realizing the activity measuring staff for the extension or the withdrawal of measuring device body, the benchmark measuring staff can the mobile setting and with the adjustable distance between the activity measuring staff, perhaps the fixed position of benchmark measuring staff and the distance between the activity measuring staff are the definite value; the utility model discloses a measuring device can realize measuring the shear angle of plate rubber support, sets up the elastic expansion piece and can realize the automatic withdrawal of activity measuring staff.
Description
Technical Field
The utility model relates to a bridge engineering measuring equipment technical field, concretely relates to measuring device of plate rubber support shear deformation volume.
background
The plate-type rubber support is a common rubber support product formed by vulcanizing and bonding a plurality of layers of thin steel plates and a plurality of layers of rubber sheets, has enough vertical rigidity, can reliably transmit the counter force of the upper structure of the support to the abutment, and has good elasticity so as to deal with the rotation of the beam end of the bridge; and has larger shearing deformation capability to meet the horizontal displacement of the superstructure.
The plate-type rubber support is an important component of a bridge, and the shear deformation of the support belongs to a typical and important disease form in bridge diseases. In the content of the specification "highway bridge slab rubber mount" (JT/T4-2004) requiring periodic inspection of the slab rubber mount, it is definitely required that the shear displacement of the slab rubber mount should not be too large, and the shear angle should not be more than 35 °.
The shear deformation is caused by the horizontal force of the bridge (such as the expansion and contraction of the bridge), the adjustment or the timely replacement is needed aiming at the overlarge shear deformation, and the highway bridge and culvert maintenance specification (JTG H11-2004) also clearly indicates that the plate type rubber support needs to be replaced in time when the overlarge shear deformation occurs, the middle steel plate is exposed, the rubber is cracked and aged, so that how to accurately measure the shear angle of the support becomes important.
In summary, there is a need for a device for measuring the shear deformation of a plate-type rubber support to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measuring device of plate rubber support shear deformation volume, concrete technical scheme is as follows:
A measuring device for the shearing deformation of a plate-type rubber support comprises a measuring device body, and a movable measuring rod and a reference measuring rod which are arranged on the measuring device body, wherein the movable measuring rod and the reference measuring rod are arranged in parallel, the movable measuring rod is arranged in a sliding manner along the length direction of the movable measuring rod and is used for realizing the extension or retraction of the movable measuring rod relative to the measuring device body, the reference measuring rod can be movably arranged, the distance between the reference measuring rod and the movable measuring rod can be adjusted, or the position of the reference measuring rod is fixed, and the distance between the reference measuring rod and the movable measuring rod is a fixed value;
The measuring device is characterized in that an indicating value window is arranged on the measuring device body, a scale value is arranged on the indicating value window, an indicating line is arranged on the movable measuring rod, or the indicating line is arranged on the indicating value window, the scale value is arranged on the movable measuring rod, and the shear angle of the plate-type rubber support is obtained through the matching of the scale value and the indicating line.
Preferably, in the above technical scheme, the scale value is an angle scale value, and the shear angle of the plate-type rubber support is obtained by matching the angle scale value with the indication line; or the scale value is a distance scale value, the extension value of the movable measuring rod is obtained through the matching of the scale value and the indicating line, and the shearing angle of the plate type rubber support is calculated according to the extension value and the distance between the reference measuring rod and the movable measuring rod.
Preferably among the above technical scheme, be equipped with the spout that matches with the activity measuring staff on the measuring device body, the activity measuring staff slidable sets up in the spout, realizes that the activity measuring staff moves along self length direction.
The preferable among the above technical scheme still includes at least a set of direction wheelset, and the length direction arrangement of multiunit direction wheelset along the activity measuring stick, every group direction wheelset include two leading wheels, two the leading wheel symmetry sets up in the both sides of activity measuring stick, realizes through the cooperation of direction wheelset and spout that the activity measuring stick moves along self length direction.
Preferably among the above technical scheme, still including the pushing hands that is used for promoting the activity measuring staff to stretch out or retract, the one end and the activity measuring staff of pushing hands are connected and the other end wears out the measuring device body so that the external application of force of being convenient for.
Preferably among the above technical scheme, be equipped with locking means on the activity measuring staff, realize fixing the activity measuring staff after stretching out.
Preferred among the above technical scheme, still include the elastic expansion part that flexible direction and activity measuring staff length direction syntropy set up, measuring device body is connected to elastic expansion part one end and the activity measuring staff is connected to the other end, realizes the automatic withdrawal of activity measuring staff after stretching out.
Preferred among the above technical scheme, still include the air level, the air level is equipped with two, two the air level sets up respectively on two mutually perpendicular's of measuring device body the face for judge whether activity measuring staff and benchmark measuring staff are in the horizontality and whether the plane that activity measuring staff and benchmark measuring staff constitute is in vertical state.
Use the utility model discloses a plate rubber support shearing deformation volume (shearing angle) measuring device has following beneficial effect:
(1) The utility model discloses measuring device includes measuring device body, activity measuring staff and benchmark measuring staff parallel arrangement set up the pilot line on the indicating value window, set up the scale mark on the activity measuring staff, perhaps, set up the scale mark on the indicating value window, set up the pilot line on the activity measuring staff, obtain the shear angle of plate rubber support through scale interval and pilot line cooperation, the utility model discloses a measuring device can effectually solve the big problem of plate rubber support shear angle measurement degree of difficulty, can audio-visual numerical value that reachs the shear angle or the distance value that the activity measuring staff stretches out through the indicating value window, easily measures plate rubber support, has advantages such as succinct structure, application scope extensively, reliability height, convenient, spreading value height.
(2) The measuring device of the utility model sets the reference measuring rod to be fixed or adjustable, can be selected according to the actual thickness and the field test condition of the plate-type rubber support, and the matching angle scale value is more suitable for actual use when the reference measuring rod is set to be fixed, is suitable for the plate-type rubber support of a certain specific model, and can directly obtain the shearing angle; when the benchmark measuring rod is set to be adjustable, the distance scale value is matched to be more fit for practical use, the plate type rubber supports of different models can be measured, and the purpose of universality is achieved.
(3) The utility model discloses a measuring device is equipped with the spout on the measuring device body, realizes leading to the activity measuring staff through the spout, sets up the leading wheel in the both sides of activity measuring staff simultaneously, ensures that the activity measuring staff can only follow self length direction motion, prevents that activity measuring staff error in motion from leading to measuring result error.
(4) The utility model discloses a measuring device still includes locking means, realizes fixing the activity measuring staff after will stretching out through locking means, takes out measuring device when conveniently measuring and carries out the reading, prevents to lead to measuring result error because of the motion of activity measuring staff unnecessary.
(5) the utility model discloses a measuring device still includes elastic expansion piece, realizes through elastic expansion piece that the activity measuring staff stretches out back automatic retraction, guarantees that 0 scale and the indicating line of activity measuring staff align, convenient measurement.
(6) The utility model discloses a measuring device still includes the air level pipe, two the air level pipe sets up respectively on two mutually perpendicular's of measuring device body face for judge whether activity measuring staff and benchmark measuring staff are in the horizontality and whether the plane that activity measuring staff and benchmark measuring staff constitute is in vertical state, reduce measuring error. Under the condition that the air level of the two air level pipes is centered, the measuring device is ensured to be in a state to be tested in a vertical plane, and the shear angle obtained by measurement can correctly reflect the actual state of the plate-type rubber support.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic diagram of the measuring device of the present invention;
FIG. 2 is a schematic view of the structure of the measuring device of FIG. 1;
FIG. 3 is a top view of the measuring device of FIG. 2;
FIG. 4 is a schematic diagram of a scale value setting of the measuring apparatus of FIG. 1;
The device comprises a plate type rubber support 1, a plate type rubber support 2, a measuring device 2.1, a guide wheel 2.2, a movable measuring rod 2.3, an indication window 2.4, a pushing handle 2.5, an elastic telescopic piece 2.6, a leveling pipe 2.7, a reference measuring rod 2.8 and a sliding groove.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
A method for measuring the shearing deformation of a plate-type rubber support is characterized in that a gauge length L of a detection surface of the plate-type rubber support in the vertical direction and a shearing deformation X corresponding to the gauge length L are measured, the gauge length, the shearing deformation and the detection surface form a right-angled triangle, and a shearing angle alpha is calculated through the following formula:
α＝arctan(X/L) (1)。
the starting point of the gauge length is arranged on the detection surface, and the length of the gauge length is smaller than or equal to the thickness of the plate-type rubber support.
referring to fig. 1-4, a measuring device applying the above measuring method includes a measuring device body, and a movable measuring rod 2.2 and a reference measuring rod 2.7 which are arranged on the measuring device body, where the movable measuring rod 2.2 and the reference measuring rod 2.7 are arranged in parallel, the movable measuring rod 2.2 is slidably arranged along its length direction and is used to realize the extension or retraction of the movable measuring rod 2.2 relative to the measuring device body, the reference measuring rod 2.7 is movably arranged and the distance between the reference measuring rod 2.7 and the movable measuring rod 2.2 is adjustable, or the position of the reference measuring rod 2.7 is fixed and the distance between the reference measuring rod 2.7 and the movable measuring rod 2.2 is a fixed value;
referring to fig. 2 and 4, a value indicating window 2.3 is arranged on the measuring device body, and the movable measuring rod 2.2 is arranged on the back of the value indicating window 2.3; the scale value is arranged on the indicating value window 2.3, an indicating line is arranged on the movable measuring rod 2.2, or the indicating line is arranged on the indicating value window 2.3, the scale value is arranged on the movable measuring rod 2.2, and the shearing angle of the plate-type rubber support 1 is obtained through the matching of the scale value and the indicating line.
Preferably, the reference measuring rod 2.7 can be movably arranged on the measuring device body, scales can be arranged between the reference measuring rod and the movable measuring rod, the reference measuring rod is adjusted to a proper position and then fixed, and the distance value between the reference measuring rod and the movable measuring rod is obtained through the scales. The reference measuring bar can be fixed by a nut, for example: the reference measuring rod is of a T-shaped structure, the T-shaped sliding groove is correspondingly formed in the measuring device body, so that the reference measuring rod can move on the measuring device body, the reference measuring rod is provided with threads, and the reference measuring rod is fixed on the measuring device body through matching with a nut.
For the fixed setting of benchmark measuring stick 2.7 on the measuring device body, can directly derive the distance value between benchmark measuring stick and the activity measuring stick, measure through the scale for example.
The scale value is an angle scale value, and a shear angle of the plate type rubber support is obtained through the matching of the angle scale value and an indication line; or the scale value is a distance scale value, the extension value of the movable measuring rod is obtained through the matching of the scale value and the indicating line, and the shearing angle of the plate type rubber support is calculated according to the extension value and the distance between the reference measuring rod and the movable measuring rod.
The principle of the measuring device of the utility model is explained, the utility model utilizes the formula (1) to calculate the shearing angle, and X is the extension value of the movable measuring rod in the measuring device, namely the shearing deformation; l is the distance between the reference measuring rod and the movable measuring rod, namely the gauge length; if the angle scale is adopted, the angle scale needs to be designed correspondingly to the extension value X of the movable measuring rod, so that the shearing angle can be directly read; if the distance scale is adopted, the extending value X of the movable measuring rod can be directly obtained, and then the shearing angle is calculated according to the formula (1).
In this embodiment, preferably, an indication line is arranged on the indication window 2.3, and an angle scale value is arranged on the movable measuring rod 2.2.
Referring to fig. 4, the measuring accuracy of the shearing angle α in the measuring device of the present invention can reach 0.5 °; taking the distance value L between the reference measuring bar and the movable measuring bar as an example of 0.05m, the corresponding relationship between the shearing angle α and the extension value X of the movable measuring bar is shown in table 1, where a is the distance between the scales.
Table 1: correspondence of shear angle α to extension value X (L ═ 0.05m)
Referring to table 1, in order to directly obtain the shearing angle α corresponding to the protrusion X, the distance a cannot be set to a fixed value, and the distance a should be designed according to the distance value L, in this embodiment, only the case where L is 0.05m is provided, and when L is other values, the calculation can be performed according to the formula (1).
It should be noted that, when the scale value is an angle scale value, the reference measuring rod is fixedly arranged to be more suitable for practical use, otherwise, the angle scale value in the measuring device needs to be replaced according to the distance value between the movable measuring rod and the reference measuring rod; of course, when the reference measuring rod is movably arranged, the scale value is arranged to be closer to the scale value for practical use, and the shearing angle can be calculated according to the formula (1) under the condition that the X, L value is obtained. (this is only the best match of scale and benchmark measuring staff, certainly also can be with benchmark measuring staff activity setting, for example the benchmark measuring staff is equipped with two measuring positions, the benchmark measuring staff can switch between two measuring positions, this kind of condition on the indication window set up two sets of angle scale value can, a position corresponds to a set of angle scale value, therefore specifically be setting angle scale value or distance scale value, benchmark measuring staff fixed setting or activity setting should be according to the actual conditions set.)
The measuring device body is provided with a sliding groove 2.8 matched with the movable measuring rod 2.2, and the movable measuring rod 2.2 is slidably arranged in the sliding groove 2.8, so that the movable measuring rod 2.2 moves along the length direction of the movable measuring rod.
The measuring device of the plate type rubber support shear deformation of the embodiment further comprises at least one group of guide wheel sets, the guide wheel sets are arranged along the length direction of the movable measuring rod 2.2, each group of guide wheel sets comprises two guide wheels 2.1 and two guide wheels are symmetrically arranged on two sides of the movable measuring rod 2.2, and the movable measuring rod moves along the length direction of the movable measuring rod through the matching of the guide wheel sets and the sliding grooves. The guide wheel is arranged on the measuring device body.
The measuring device further comprises a pushing handle 2.4 used for pushing the movable measuring rod 2.2 to extend or retract, one end of the pushing handle 2.4 is connected with the movable measuring rod 2.2, and the other end of the pushing handle penetrates out of the measuring device body so as to facilitate external force application.
and a locking device is arranged on the movable measuring rod 2.2, so that the extended movable measuring rod 2.2 is fixed.
Preferably, the locking device is specifically: the push handle is provided with an external thread, and the push handle and the measuring device body are locked through the matching of the nut and the external thread, so that the movable measuring rod is fixed.
The measuring device of the plate type rubber support shear deformation of the embodiment further comprises an elastic telescopic piece 2.5 which is arranged in the same direction of the length direction of the flexible direction and the movable measuring rod 2.2, one end of the elastic telescopic piece 2.5 is connected with the measuring device body, the other end of the elastic telescopic piece is connected with the movable measuring rod 2.2, and the movable measuring rod 2.2 after being stretched is automatically retracted.
Preferably, the elastic expansion element 2.5 is a spring.
furthermore, the spring is always in a stretching state to provide a pulling force for the movable measuring rod, so that the scale 0 on the movable measuring rod is aligned with the indicating line on the indicating value window under the state that the movable measuring rod is not stretched out (after measurement, the spring automatically retracts to align the scale 0 of the movable measuring rod with the indicating line, namely, the scale is reset to zero), and the arrangement is more convenient for practical use; meanwhile, for convenience of practical use, the measuring end of the movable measuring rod should be aligned with the measuring end of the reference measuring rod, so that the amount of calculation can be reduced.
Referring to fig. 2 and 3, the measuring device for the shear deformation of the plate rubber support in this embodiment further includes two leveling tubes 2.6, where the two leveling tubes 2.6 are respectively disposed on two mutually perpendicular surfaces of the measuring device body, and are used to determine whether the movable measuring rod and the reference measuring rod are in a horizontal state and whether a plane formed by the movable measuring rod and the reference measuring rod is in a vertical state.
The method for applying the measuring device specifically comprises the following steps:
step 1: checking whether the measuring device returns to zero, and if the movable measuring rod is not returned to zero, adjusting the movable measuring rod to return to zero;
step 2: the reference measuring rod 2.7 is contacted with the detection surface, and the measuring device is in a horizontal state and a vertical state through the adjustment of the leveling tube 2.6;
And step 3: the movable measuring rod 2.2 is pushed to extend, so that the movable measuring rod 2.2 is in contact with the detection surface, and the extended movable measuring rod 2.2 is fixed through a locking device;
And 4, step 4: and reading the shear angle of the plate type rubber support through the indicating value window (or reading the extending value of the movable measuring rod through the indicating value window, and calculating the shear angle of the plate type rubber support through a formula (1)).
Use the technical scheme of the utility model, the effect is:
The shearing angle can be directly obtained after the gauge length and the shearing deformation are measured, and the result obtained by calculating by utilizing the trigonometric function relation is high in precision.
The measuring device of the utility model can realize the measurement of the shear angle of the plate-type rubber support, the automatic retraction of the movable measuring rod can be realized by arranging the elastic expansion piece, the alignment of the 0 scale of the movable measuring rod and the indicating line is ensured, the next measurement is convenient, and the calculation workload and the workload required to be reset to zero in the next measurement are also reduced; the leveling tube is arranged to ensure that the measuring device is in a horizontal state and a vertical state, so that the measuring error is reduced; the utility model discloses measuring device's application method is easily executed, is low to operation personnel's requirement.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. the measuring device for the shearing deformation of the plate-type rubber support is characterized by comprising a measuring device body, a movable measuring rod (2.2) and a reference measuring rod (2.7), wherein the movable measuring rod (2.2) and the reference measuring rod (2.7) are arranged on the measuring device body in parallel, the movable measuring rod (2.2) is arranged in a sliding mode along the length direction of the movable measuring rod (2.2) and is used for realizing the extension or retraction of the movable measuring rod (2.2) relative to the measuring device body, the reference measuring rod (2.7) is arranged in a movable mode and is adjustable in distance with the movable measuring rod (2.2), or the reference measuring rod (2.7) is fixed in position and is fixed in distance with the movable measuring rod (2.2);
The measuring device is characterized in that an indicating value window (2.3) is arranged on the measuring device body, scale values are arranged on the indicating value window (2.3), indicating lines are arranged on the movable measuring rod (2.2), or the indicating lines are arranged on the indicating value window (2.3), the scale values are arranged on the movable measuring rod (2.2), and the shear angle of the plate-type rubber support (1) is obtained through the matching of the scale values and the indicating lines.
2. The device for measuring the shearing deformation of the plate-type rubber support according to claim 1, wherein the scale value is an angle scale value, and the shearing angle of the plate-type rubber support is obtained by matching the angle scale value with an indication line; or the scale value is a distance scale value, the extension value of the movable measuring rod is obtained through the matching of the scale value and the indicating line, and the shearing angle of the plate type rubber support is calculated according to the extension value and the distance between the reference measuring rod and the movable measuring rod.
3. The plate type rubber support shear deformation measuring device according to claim 1, wherein a sliding groove (2.8) matched with the movable measuring rod (2.2) is formed in the measuring device body, and the movable measuring rod (2.2) is slidably arranged in the sliding groove (2.8) to realize the movement of the movable measuring rod (2.2) along the length direction of the movable measuring rod.
4. The plate rubber support shear deformation measuring device according to claim 3, further comprising at least one guide wheel set, wherein the guide wheel sets are arranged along the length direction of the movable measuring rod (2.2), each guide wheel set comprises two guide wheels (2.1), the two guide wheels are symmetrically arranged on two sides of the movable measuring rod (2.2), and the movable measuring rod moves along the length direction of the movable measuring rod through the matching of the guide wheel sets and the sliding grooves.
5. The plate type rubber support shear deformation measuring device according to claim 4, further comprising a pushing handle (2.4) for pushing the movable measuring rod (2.2) to extend or retract, wherein one end of the pushing handle (2.4) is connected with the movable measuring rod (2.2) and the other end of the pushing handle penetrates out of the measuring device body so as to facilitate external force application.
6. The plate type rubber support shear deformation measuring device according to claim 5, wherein the movable measuring rod (2.2) is provided with a locking device to fix the extended movable measuring rod (2.2).
7. The plate type rubber support shear deformation measuring device according to claim 6, further comprising an elastic expansion piece (2.5) with the expansion direction and the movable measuring rod (2.2) arranged in the same direction, wherein one end of the elastic expansion piece (2.5) is connected with the measuring device body, and the other end of the elastic expansion piece is connected with the movable measuring rod (2.2), so that the extended movable measuring rod (2.2) can automatically retract.
8. the device for measuring the shearing deformation of the plate rubber support according to any one of claims 1-7, further comprising a leveling tube (2.6), wherein the leveling tube (2.6) is provided with two pieces, and the two pieces of leveling tube (2.6) are respectively arranged on two mutually perpendicular surfaces of the measuring device body and used for judging whether the movable measuring rod and the reference measuring rod are in a horizontal state and whether a plane formed by the movable measuring rod and the reference measuring rod is in a vertical state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896527.5U CN209763991U (en) | 2019-06-14 | 2019-06-14 | Measuring device for shearing deformation of plate type rubber support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920896527.5U CN209763991U (en) | 2019-06-14 | 2019-06-14 | Measuring device for shearing deformation of plate type rubber support |
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| CN209763991U true CN209763991U (en) | 2019-12-10 |
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| CN201920896527.5U Active CN209763991U (en) | 2019-06-14 | 2019-06-14 | Measuring device for shearing deformation of plate type rubber support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132110A (en) * | 2019-06-14 | 2019-08-16 | 湖南联智桥隧技术有限公司 | A kind of measurement method and measuring device of laminated rubber bearing shear deformation |
| CN110132110B (en) * | 2019-06-14 | 2024-05-28 | 湖南联智科技股份有限公司 | Method and device for measuring shearing deformation of plate-type rubber support |
-
2019
- 2019-06-14 CN CN201920896527.5U patent/CN209763991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132110A (en) * | 2019-06-14 | 2019-08-16 | 湖南联智桥隧技术有限公司 | A kind of measurement method and measuring device of laminated rubber bearing shear deformation |
| CN110132110B (en) * | 2019-06-14 | 2024-05-28 | 湖南联智科技股份有限公司 | Method and device for measuring shearing deformation of plate-type rubber support |
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Address after: No.168, Section 2, Yanhe Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Hunan Lianzhi Technology Co.,Ltd. Address before: 410019 No.168, Section 2, Yanhe Road, Wangcheng Economic Development Zone, Changsha City, Hunan Province Patentee before: HUNAN LIANZHI BRIDGE AND TUNNEL TECHNOLOGY Co.,Ltd. |