CN114166401A - Anti-seismic force-measuring height-adjusting device and service state calibration method thereof - Google Patents
Anti-seismic force-measuring height-adjusting device and service state calibration method thereof Download PDFInfo
- Publication number
- CN114166401A CN114166401A CN202210008218.6A CN202210008218A CN114166401A CN 114166401 A CN114166401 A CN 114166401A CN 202210008218 A CN202210008218 A CN 202210008218A CN 114166401 A CN114166401 A CN 114166401A
- Authority
- CN
- China
- Prior art keywords
- force
- pushing
- measuring
- height
- adjusting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses an anti-seismic force-measuring height-adjusting device and a service state calibration method thereof, relating to the field of stress monitoring/detection; the force measuring device comprises a pushing seat and a base, wherein a pushing groove is formed in the lower end of the pushing seat, the base is movably inserted into the pushing groove, a pushing mechanism is arranged between the base and the bottom of the pushing groove, and the upper end of the base is movably inserted into the pushing groove formed in the lower end of the pushing seat, so that the side wall of the pushing groove is abutted by the side wall of the upper end of the base to provide horizontal supporting force, larger lateral force can be provided for the end of a bridge, and the stability of the end of the bridge in the heightening process is improved. The service state calibration method can accurately calibrate the service state of the anti-seismic force-measuring heightening device.
Description
Technical Field
The invention relates to the field of stress monitoring/detection, including the engineering fields of civil structures, mechanical equipment and the like, in particular to an anti-seismic force-measuring height-adjusting device and a service state calibration method thereof.
Background
The force measuring device and the support are used for measuring the stress of a force transmission component between structures, and are widely applied to various fields, particularly in the field of bridge engineering. As the construction of expressways and railway bridges in China increases year by year, the monitoring of the vertical static load and the dynamic load of the bridge support has important practical significance on the operation of the bridge.
As for the sensors in the wedge-shaped height-adjusting force measuring device, due to the influence of factors such as time, temperature and the like, monitoring data can drift, so that the sensors need to be calibrated (calibrated) regularly, the existing force measuring devices cannot be calibrated (calibrated) on site in a service state, and the sensors cannot meet the data tracing of the national metering method.
Disclosure of Invention
Aiming at the technical problem that the existing bridge heightening device cannot provide larger lateral supporting force; the invention provides an anti-seismic force-measuring height-adjusting device and a service state calibration method thereof, which can provide larger lateral force for the end part of a bridge so as to improve the stability of the end part of the bridge in the height-adjusting process.
The invention is realized by the following technical scheme:
in a first aspect, the utility model provides an antidetonation type dynamometry height-adjusting device, including top pushing seat and base, top pushing seat lower extreme is equipped with the top and pushes away the groove, the base activity is inserted and is established the top pushes away the inslot, the base with push away and be equipped with the pushing mechanism between the groove.
According to the anti-seismic force-measuring height-adjusting device provided by the invention, the upper end of the base is movably inserted into the pushing groove at the lower end of the pushing seat, so that not only can the axial supporting force and the lateral friction force be improved, but also the side wall of the pushing groove can be abutted by the side wall at the upper end of the base, and the horizontal supporting force is provided. Therefore, the force-measuring height-adjusting device provided by the invention can provide larger lateral force for the end part of the bridge, so that the stability of the end part of the bridge in the height-adjusting process is improved.
In an alternative embodiment, the pushing mechanism includes two pushing wedges, and the distance between the two pushing wedges is variable, and the distance between the pushing seat and the base is adjusted by changing the distance between the pushing wedges.
In an optional embodiment, a driver is arranged between the two pushing wedge blocks, and two ends of the driver are fixedly connected with the corresponding pushing wedge blocks so as to drive the two pushing wedge blocks to relatively move away from or approach to each other through the driver.
In an optional embodiment, a first load cell is arranged between the two pushing wedges, and the first load cell is used for collecting acting force between the two pushing wedges.
In an optional embodiment, a second load cell is disposed between the sidewall of the base and the sidewall of the ejection slot.
In an optional embodiment, the principle of the first load cell and the second load cell is at least one of a resistance strain type, a fiber grating type and a vibrating wire type.
In a second aspect, the invention further provides a service state calibration method for the anti-seismic force measurement and height adjustment device, which is based on the anti-seismic force measurement and height adjustment device and comprises the following steps:
s1: according to the data of the first force measuring sensor (5) and the second force measuring sensor (6), acquiring the horizontal force or the lateral force of the sensing device before the force measuring and height adjusting device adjusts;
s2: applying horizontal or lateral force to a pushing wedge block (3) of the force measuring and height adjusting device to change the height of the force measuring device, and acquiring the horizontal force or lateral force value of the sensing device when the height is changed or is temporarily changed;
s3: obtaining a relational expression of axial force, friction coefficient and inclination angle, horizontal force or lateral force of the pushing wedge block (3) according to the mechanical balance relation of the force applied to the pushing wedge block (3);
s4: and solving the axial force value of the force measuring and height adjusting device according to the horizontal or lateral force values obtained in the steps S1 and S2 and the relational expression in the step S3.
The method for calibrating the service state of the anti-seismic force measuring and heightening device can accurately calibrate the service state of the anti-seismic force measuring and heightening device.
Specifically, when the pushing seat rises, the force-bearing calculation formula of the force-measuring device is as follows:
in the formula (I), the compound is shown in the specification,
Tlifting of wineThe lateral force of the pushing mechanism when the height of the pushing seat rises,
f is the resultant axial force of the force measuring device,
FHthe friction force caused by the lateral force of the device in the axial direction,
μ1the friction coefficient between the pushing wedge block and the bottom of the pushing groove is,
μ2in order to push the friction coefficient between the wedge block and the base,
theta is the inclined angle of the inclined plane of the pushing wedge block.
Specifically, when the pushing seat descends, the force-bearing calculation formula of the force-measuring device is as follows:
in the formula (I), the compound is shown in the specification,
TdescendThe lateral force of the pushing mechanism when the height of the pushing seat is reduced,
f is the resultant axial force of the force measuring device,
FHthe friction force caused by the lateral force of the device in the axial direction,
μ1the friction coefficient between the pushing wedge block and the bottom of the pushing groove is,
μ2in order to push the friction coefficient between the wedge block and the base,
theta is the inclined angle of the inclined plane of the pushing wedge block.
The invention has the following beneficial effects:
1. according to the anti-seismic force-measuring height-adjusting device provided by the invention, the upper end of the base is movably inserted into the pushing groove at the lower end of the pushing seat, so that not only can the axial supporting force and the lateral friction force be improved, but also the side wall of the pushing groove can be abutted by the side wall at the upper end of the base, and the horizontal supporting force is provided. Therefore, the force-measuring height-adjusting device provided by the invention can provide larger lateral force for the end part of the bridge, so that the stability of the end part of the bridge in the height-adjusting process is improved.
2. The method for calibrating the service state of the anti-seismic force measuring and heightening device can accurately calibrate the service state of the anti-seismic force measuring and heightening device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic cross-sectional view of a force measuring device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a pushing mechanism according to an embodiment of the present invention.
Reference numerals:
1-pushing seat, 11-pushing groove, 2-base, 3-pushing wedge block, 4-linear driver, 5-first force transducer, 6-second force transducer and 7-supporting core body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, as opposed to a removable connection, or as an integral connection; may be a mechanical connection, to be an electrical connection; may be directly connected to one another, may be indirectly connected through intervening media, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
With reference to fig. 1 and 2, the present embodiment further provides an anti-seismic force measurement height adjustment device, which includes a pushing seat 1 and a base 2, wherein a pushing groove 11 is disposed at a lower end of the pushing seat 1, the base 2 is movably inserted into the pushing groove 11, and a pushing mechanism is disposed between the base 2 and a bottom of the pushing groove 11.
In this embodiment, the pushing mechanism includes two pushing wedges 3, and the distance between the two pushing wedges 3 is variable, and the distance between the pushing seat 1 and the base 2 is adjusted by changing the distance between the pushing wedges 3.
Specifically, a linear driver 4 is arranged between the two pushing wedges 3, and two ends of the linear driver 4 are fixedly connected with the corresponding pushing wedges 3 so as to drive the two pushing wedges 3 to relatively move away from or approach to each other through the driver 4. The drive 4 can be a hydraulic cylinder, a pneumatic cylinder, a screw jack or other linearly drivable power take-off.
A first force measuring sensor 5 is arranged between the two pushing wedge blocks 3, and the first force measuring sensor 5 is used for acquiring the interaction force between the two pushing wedge blocks 3.
Meanwhile, a second force measuring sensor 6 is arranged between the side wall of the base 2 and the side wall of the pushing groove 11, and the second force measuring sensor 6 is used for detecting acting force between the side wall of the base 2 and the pushing groove 11.
Preferably, the principle of the first load cell 5 and the second load cell 6 is at least one of a resistance strain type, a fiber grating type, and a vibrating wire type.
The anti-seismic force-measuring height-adjusting device provided by the embodiment has the advantages that the upper end of the base 2 is movably inserted into the pushing groove 11 formed in the lower end of the pushing seat 1, axial supporting force and lateral friction force can be improved, the side wall of the upper end of the base 2 can abut against the side wall of the pushing groove 11 to provide horizontal supporting force, large lateral force can be provided for the end of a bridge, and stability of the end of the bridge in the height-adjusting process is improved.
Example 2
Based on the anti-seismic force measurement and height adjustment device provided in embodiment 1, the present embodiment provides a service state calibration method for the anti-seismic force measurement and height adjustment device, including the following steps:
s1: according to the data of the first force measuring sensor 5 and the second force measuring sensor 6, acquiring the horizontal force or the lateral force of the sensing device before the force measuring and height adjusting device adjusts;
s2: applying horizontal or lateral force to a pushing wedge block 3 of the force measuring and height adjusting device to change the height of the force measuring device, and acquiring the horizontal force or lateral force value of a sensing device when the height is changed or is temporarily changed;
s3: obtaining a relational expression of axial force, friction coefficient and inclination angle, horizontal force or lateral force of the pushing wedge block 3 according to the mechanical balance relation of the force applied to the pushing wedge block 3; wherein the horizontal or lateral force comprises two parts: the horizontal or lateral force monitored by a sensor in the middle of the pushing wedge block 3 and the lateral force between the pushing seat 1 and the base 2 of the device are monitored;
s4: and solving the axial force value of the force measuring and height adjusting device according to the horizontal or lateral force values obtained in the steps S1 and S2 and the relational expression in the step S3.
Specifically, when the pushing seat rises, the force-bearing calculation formula of the force-measuring device is as follows:
when the pushing seat (1) descends, the force-bearing calculation formula of the force-measuring device is as follows:
in the formula (I), the compound is shown in the specification,
Tlifting of wineThe lateral force of the pushing mechanism when the height of the pushing seat rises,
TdescendThe lateral force of the pushing mechanism when the height of the pushing seat is reduced,
f is the resultant axial force of the force measuring device,
FHthe friction force caused by the lateral force of the device in the axial direction,
μ1the friction coefficient between the pushing wedge 3 and the bottom of the pushing groove 11,
μ2in order to push the friction coefficient between the wedge 3 and the base 2,
theta is the inclined angle of the inclined plane of the pushing wedge block 3.
The method for calibrating the service state of the anti-seismic force measuring and heightening device provided by the embodiment integrates the friction force between the pushing seat and the base when the pushing seat ascends or descends, and can accurately calibrate the service state of the anti-seismic force measuring and heightening device.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (9)
1. The anti-seismic force-measuring height-adjusting device is characterized by comprising a pushing seat (1) and a base (2), wherein a pushing groove (11) is formed in the lower end of the pushing seat (1), the base (2) is movably inserted into the pushing groove (11), and a pushing mechanism is arranged between the base (2) and the pushing groove (11).
2. The shock-resistant force-measuring height-adjusting device according to claim 1, wherein the pushing mechanism comprises two pushing wedges (3), the distance between the two pushing wedges (3) is variable, and the distance between the pushing seat (1) and the base (2) is adjusted by changing the distance between the pushing wedges (3).
3. The shock-resistant force-measuring height-adjusting device according to claim 2, wherein a driver (4) is arranged between the two pushing wedges (3), and two ends of the driver (4) are fixedly connected with the corresponding pushing wedges (3) so as to drive the two pushing wedges (3) to relatively move away from or move close to each other through the driver (4).
4. The shock-resistant force-measuring height-adjusting device according to claim 2, wherein a first force-measuring sensor (5) is arranged between the two pushing wedges (3), and the first force-measuring sensor (5) is used for collecting acting force between the two pushing wedges (3).
5. An anti-seismic force-measuring height-adjusting device according to claim 4, wherein a second force-measuring sensor (6) is arranged between the side wall of the base (2) and the side wall of the pushing groove (11).
6. An anti-seismic force-measuring height-adjusting device according to claim 5, wherein the first and second force-measuring sensors (5, 6) are based on at least one of a resistance strain type, a fiber grating type, and a vibrating wire type.
7. A service state calibration method of an anti-seismic force measurement and height adjustment device is based on the anti-seismic force measurement and height adjustment device of any one of claims 1 to 6, and is characterized by comprising the following steps:
s1: according to the data of the first force measuring sensor (5) and the second force measuring sensor (6), acquiring the horizontal force or the lateral force of the sensing device before the force measuring and height adjusting device adjusts;
s2: applying horizontal or lateral force to a pushing wedge block (3) of the force measuring and height adjusting device to change the height of the force measuring device, and acquiring the horizontal force or lateral force value of the sensing device when the height is changed or is temporarily changed;
s3: obtaining a relational expression of axial force, friction coefficient and inclination angle, horizontal force or lateral force of the pushing wedge block (3) according to the mechanical balance relation of the force applied to the pushing wedge block (3);
s4: and solving the axial force value of the force measuring and height adjusting device according to the horizontal or lateral force values obtained in the steps S1 and S2 and the relational expression in the step S3.
8. The method for calibrating the service state of the anti-seismic force-measuring and height-adjusting device according to claim 7, wherein when the pushing seat (1) ascends, the force-measuring device has the force-measuring calculation formula as follows:
in the formula (I), the compound is shown in the specification,
Tlifting of wineThe lateral force of the pushing mechanism when the height of the pushing seat rises,
f is the resultant axial force of the force measuring device,
FHthe friction force caused by the lateral force of the device in the axial direction,
μ1the friction coefficient between the pushing wedge block (3) and the bottom of the pushing groove (11),
μ2the friction coefficient between the pushing wedge block (3) and the base (2),
theta is the inclined angle of the inclined plane of the pushing wedge block (3).
9. The method for calibrating the service state of the anti-seismic force-measuring and height-adjusting device according to claim 7, wherein when the pushing seat (1) descends, the force-measuring device has the force-measuring calculation formula as follows:
in the formula (I), the compound is shown in the specification,
TdescendThe lateral force of the pushing mechanism when the height of the pushing seat is reduced,
f is the resultant axial force of the force measuring device,
FHthe friction force caused by the lateral force of the device in the axial direction,
μ1the friction coefficient between the pushing wedge block (3) and the bottom of the pushing groove (11),
μ2the friction coefficient between the pushing wedge block (3) and the base (2),
theta is the inclined angle of the inclined plane of the pushing wedge block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008218.6A CN114166401A (en) | 2022-01-05 | 2022-01-05 | Anti-seismic force-measuring height-adjusting device and service state calibration method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008218.6A CN114166401A (en) | 2022-01-05 | 2022-01-05 | Anti-seismic force-measuring height-adjusting device and service state calibration method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114166401A true CN114166401A (en) | 2022-03-11 |
Family
ID=80489023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210008218.6A Pending CN114166401A (en) | 2022-01-05 | 2022-01-05 | Anti-seismic force-measuring height-adjusting device and service state calibration method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114166401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155727A (en) * | 2021-01-21 | 2021-07-23 | 成都济通路桥科技有限公司 | Method for calibrating friction coefficient of supporting device |
-
2022
- 2022-01-05 CN CN202210008218.6A patent/CN114166401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155727A (en) * | 2021-01-21 | 2021-07-23 | 成都济通路桥科技有限公司 | Method for calibrating friction coefficient of supporting device |
| CN113155727B (en) * | 2021-01-21 | 2023-02-14 | 成都济通路桥科技有限公司 | Method for calibrating friction coefficient of supporting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111999019B (en) | Novel calibration method for bridge support device in operation period | |
| CN110082023B (en) | Cable force real-time monitoring device and monitoring method | |
| CN112284612B (en) | Operation period supporting device serial type calibration method and system | |
| US9562804B2 (en) | Forklift scale, load cell thereof and method of measuring a forklift load | |
| EP3671140B1 (en) | Balance scale for testing air resistance | |
| US6199427B1 (en) | Apparatus and method for testing leaf springs | |
| CN114166401A (en) | Anti-seismic force-measuring height-adjusting device and service state calibration method thereof | |
| CN112748067A (en) | Force measuring device for accurately measuring friction coefficient and support calibration method | |
| CN113155727B (en) | Method for calibrating friction coefficient of supporting device | |
| CN112666075B (en) | Method for measuring friction coefficient between force measuring device and support in operation period | |
| CN113740163A (en) | Intelligent self-sensing double-block sleeper calibration system and calibration method thereof | |
| CN101598593B (en) | Hopper scale calibration device based on digital sensor | |
| CN117388081A (en) | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading | |
| CN219342825U (en) | Push-pull counter-force measuring support | |
| US6269688B1 (en) | Apparatus and method for testing tires | |
| CN206192492U (en) | Hopper scale calibrating device | |
| CN106092391B (en) | A kind of split type 2 D force sensor | |
| CN104895126A (en) | Model pile body internal force rating device and method | |
| CN112484912B (en) | Parallel calibration method and system for force measurement support in service state | |
| CN110333023A (en) | Strain-type tire road three-dimensional stress measuring device and its measurement method | |
| CN216309291U (en) | Intelligent sensing device for bearing capacity of basin-type rubber support | |
| CN216309290U (en) | Intelligent sensing device for bearing capacity of plate-type rubber support | |
| CN201731971U (en) | Lever-type force standard machine with creep test function | |
| CN2826383Y (en) | Flush type force cell | |
| JP3616838B2 (en) | Bearing with load cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 610000 No. 669, Xingyuan 10th Road, zone a, Xinjin Industrial Park, Chengdu, Sichuan Applicant after: Jitong Intelligent Equipment Co.,Ltd. Applicant after: THE 2ND ENGINEERING Co.,Ltd. MBEC Applicant after: Guangdong transportation planning and Design Institute Group Co.,Ltd. Address before: 610000 No. 669, Xingyuan 10th Road, zone a, Xinjin Industrial Park, Chengdu, Sichuan Applicant before: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. Applicant before: THE 2ND ENGINEERING Co.,Ltd. MBEC Applicant before: Guangdong transportation planning and Design Institute Group Co.,Ltd. |