CN112629715B - Replacement method convenient for replacing sensing device - Google Patents
Replacement method convenient for replacing sensing device Download PDFInfo
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- CN112629715B CN112629715B CN202011506169.6A CN202011506169A CN112629715B CN 112629715 B CN112629715 B CN 112629715B CN 202011506169 A CN202011506169 A CN 202011506169A CN 112629715 B CN112629715 B CN 112629715B
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- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
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Abstract
The invention discloses a replacement method convenient for replacing a sensing device, which comprises the following steps of S1: the load converters at two ends of the sensing device are promoted to slide relatively by applying horizontal or lateral force, and the pressing force of the load converters on the sensing device is released; s2: temporarily locking the positions of the two load converters, and taking out the sensing device to be replaced; s3: installing a new sensing device and fixing; s4: the temporary locking is released, and the horizontal or lateral force applied is reduced to enable the two load converters to slide relatively to the set position or the initial position. The sensor device has simple and quick replacement method, and the applied device has the self-resetting function.
Description
Technical Field
The invention relates to the technical field of rail transit structural engineering, can also be applied to the fields of structural engineering such as highways, municipal administration, buildings and the like, and particularly relates to a replacing method convenient for replacing a sensing device.
Background
With the continuous progress of the structural engineering technology, especially the bridge structure has larger and larger spanning capacity, and the structure forms are more and more complex and diversified. The common characteristic of the large-span complex bridge structures is that the large-span complex bridge structures all belong to high-order hyperstatic structures, and the internal force calculation is very complex. Due to the influence of errors generated by simplifying a calculation model, differences of mechanical properties of materials, construction errors, uneven temperature change of all parts of the structure and other factors, the difference between the internal force of the structure and the design value in the construction process or after the structure is built is large, the differences are difficult to estimate, and certain potential safety hazards are buried for later use of the structure.
The supporting device is arranged between general structural members and used for transmitting load above the structural members, generally, stress of the supporting device needs to be monitored for safety of the upper structural members, when the stress is abnormal, the height also needs to be adjusted to meet the requirement of stress balance, most of the supporting devices need to be provided with sensors to measure the stress, but under long-time working conditions, the sensors are easy to damage and need to be replaced, but the sensors are arranged inside the supporting devices at present, and due to the internal structure of the supporting devices, the sensors are not convenient to replace, and no method for replacing the sensors is provided.
Disclosure of Invention
The invention aims to provide a replacement method convenient for replacing a sensing device, which is used for solving the problem that the sensor is inconvenient to replace, and the used device also has a self-resetting function.
In order to solve the technical problem, the invention adopts the following scheme:
a replacement method for facilitating replacement of a sensing device, comprising the steps of:
s1: the load converters at two ends of the sensing device are promoted to slide relatively by applying horizontal or lateral force, and the pressing force of the load converters on the sensing device is released;
s2: temporarily locking the positions of the two load converters, and taking out the sensing device to be replaced;
s3: installing a new sensing device and fixing;
s4: the temporary locking is released, and the horizontal or lateral force applied is reduced to enable the two load converters to slide relatively to the set position or the initial position.
Preferably, in step S1, the load converters are separated from each other by applying a horizontal or lateral force to the load converters by the power driving device, so that the sensing device is not subjected to the horizontal or lateral pressure of the load converters, a gap is formed between the sensing device and the load converters, and the load converters are temporarily locked.
Preferably, in step S2, after the sensor device is not subjected to the horizontal or lateral pressure of the load converter, if the sensor device is connected in series to the fixed base, the sensor device is taken out at once when the sensor device is taken out.
Preferably, in step S4, the two load converters are moved closer to each other by reducing the horizontal or lateral force applied to the two load converters, and the displacement or elevation or the load is used as an index, and finally the two load converters are adjusted to a set position or an initial position or a set load position.
Preferably, the height adjusting method is applied to a force measuring height adjusting device, the force measuring height adjusting device comprises a height adjusting mechanism and a support core body, the support core body is located above or below the height adjusting mechanism, the height adjusting mechanism comprises an adjusting plate, an adjusting cavity is arranged on the bottom surface of the adjusting plate, two wedge-shaped load converters are arranged in the adjusting cavity, the top surfaces of the load converters are in contact with the inclined surface or the cylindrical surface or the curved surface of the top surface of the adjusting cavity, the two load converters slide relative to each other to change the height of the adjusting plate, a plurality of sensing devices are arranged between the two load converters, the sensing devices are connected with an external data acquisition system, and the data acquisition system is connected with a remote computer through a wireless or wired network.
Preferably, a fixing seat is arranged at one end or two ends of the sensing device.
Preferably, a locking device is connected in series to the end of the fixing seat close to the load converter, and the locking device is a steel plate or profile steel.
Preferably, the sensing device is connected in series and/or in parallel with an elastic device, and the elastic device is an elastic rubber body or a compression spring.
Preferably, the heightening mechanism is connected with a power driving device, the power driving device comprises a first base plate, a second base plate and a power source, the first base plate is connected with one of the load converter end parts, the second base plate is connected with the other load converter end part, the output end of the power source is installed on the second base plate together with the power source, the output end of the power source is connected with the first base plate, and the power source is a hydraulic cylinder or a pneumatic cylinder or a mechanical transmission part. Lateral or horizontal driving force is provided through a power source so as to conveniently push the two load converters to generate relative displacement.
Preferably, the height-adjusting mechanism further comprises a bottom plate, the bottom plate is located below the adjusting plate, the upper supporting surface of the bottom plate is in plane or inclined plane or curved surface contact with the bottom surface of the load converter, the bottom plate is connected with the adjusting plate through a bolt and limits the two load converters in the adjusting cavity, the support core body is located below the bottom plate or above the adjusting plate, and the adjusting plate or the bottom plate is composed of the support core body or is an independent component.
Preferably, the support core is any one of a rubber support, a basin-type support, a spherical support, a friction pendulum support and a seismic isolation and reduction support.
The invention has the following beneficial effects:
1. the invention aims at a wedge-shaped load converter type heightening device, and promotes relative sliding between two load converters by applying lateral or horizontal force, so that the height of an adjusting plate is changed to reach the effect of adjusting the height of the whole support core body.
2. The sensing device is connected with the elastic device in series or in parallel, the elastic device is positioned between the two load converters, and after the support is emptied, the elastic device releases pressure to push the two load converters outwards to freely adjust the height, so that the emptying gap is compensated, and the height adjusting mechanism has a self-resetting function.
3. The sensing device is connected with a data acquisition system through a wireless or wired network, the data acquisition system collects electric signals generated after the sensing device is subjected to pressure action and transmits the electric signals to a remote computer through the wireless or wired network to obtain a stressed load, the purpose of measuring the force is achieved, if the sensing device is not damaged before replacement, the replaced sensing device is stressed, the load is measured through the data acquisition system which is externally connected, and if the load measured after replacement of the sensing device is the same as the load measured before replacement, the load converter can be judged to be restored to the initial position.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural diagram of an apparatus according to embodiment 2 of the present invention;
FIG. 3 is a schematic structural view of a support core positioned above a height-adjusting mechanism;
FIG. 4 is a schematic structural view of embodiment 3;
FIG. 5 is a block diagram of the carrier core above the height adjustment mechanism;
FIG. 6 is a schematic structural view of example 4;
FIG. 7 is a distribution diagram of a sensing device;
FIG. 8 is a schematic structural view of example 6;
fig. 9 is a perspective view of embodiment 6.
Reference numerals: 1-support core body, 2-upper adjusting plate, 3-upper friction pair, 4-load converter, 5-lower friction pair, 6-sensing device, 7-adjusting cavity, 8-lower adjusting plate, 9-bolt, 10-locking device, 11-fixing seat, 12-elastic device, 13-first base plate, 14-second base plate and 15-power source.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1
A replacement method for facilitating replacement of a sensing device as shown in fig. 1 and 2, comprising the steps of;
s1: the load converters 4 at two ends of the sensing device 6 are driven to slide relatively by applying horizontal or lateral force, and the pressing force of the load converters 4 on the sensing device 6 is released;
s2: temporarily locking the positions of the two load converters 4, and taking out the sensing device 6 to be replaced;
s3: installing and fixing a new sensing device 6;
s4: the temporary locking is released, and the horizontal or lateral force applied is reduced to cause the two load converters 4 to slide relatively to the set position or the initial position.
Specifically, in step S1, the load converters 4 are forced to move away from each other by applying a horizontal or lateral force to the load converters 4 through a power driving device, such as a hydraulic cylinder or a pneumatic cylinder, so that the sensing device 6 is not subjected to the horizontal or lateral force of the load converters 4 and has a certain clearance with the load converters, and then the load converters 4 are temporarily locked to prevent the change of the distance between the load converters 4 from affecting the height of the structural member above and the replacement of the sensing device 6.
Specifically, in steps S2 and S3, after the sensing device 6 is not subjected to the horizontal or lateral force of the load converter 4, if the sensing device is connected in series with the fixing base 11, the fixing base 11 at the end of the sensing device 6 is taken out together, otherwise, the sensing device 6 is taken out alone, and then a new sensing device 6 is installed to the original position, if the fixing base 11 exists, the fixing base is installed at both ends of the sensing device 6, the locking device 10 is installed at both ends of the fixing base 11, and the locking device 10 is made of a steel plate.
Specifically, in step S4, the horizontal or lateral force is applied to the two load converters 4 to make the two load converters 4 approach each other, and the displacement, the elevation, or the load is used as an index, and finally the two load converters 4 stop adjusting when adjusting to a set position, an initial position, or a set load position. The replacement of the rear sensing device 6 is simple and fast, the replacement efficiency is greatly improved, and meanwhile, the stress value of the front sensing device 6 and the stress value of the rear sensing device 6 are compared, so that whether the load converter 4 is restored to the initial position or not can be judged.
Example 2
As shown in fig. 2, 3 and 7, the replacing method is used in a force-measuring height-adjusting device, the force-measuring height-adjusting device is applied in the replacing method, the force-measuring height-adjusting device comprises a height-adjusting mechanism and a support core body 1, the support core body 1 is positioned above or below the height-adjusting mechanism, the height-adjusting mechanism comprises an adjusting plate 2, an adjusting cavity 7 is arranged on the bottom surface of the adjusting plate 2, two wedge-shaped load converters 4 are arranged in the adjusting cavity 7, the top surfaces of the load converters 4 are in inclined surface or curved surface contact with the top surface of the adjusting cavity 7, an upper friction pair is arranged between the top surface of the adjusting cavity 7 and the top surface of the load converter 4, the contact between the top surface of the adjusting cavity 7 and the top surface of the load converter 4 is inclined surface or curved surface contact, the relative sliding of the two load converters changes the height of the adjusting plate, a plurality of sensing devices 6 are arranged between the two load converters, the sensing devices 6 are connected with an external data acquisition system, the data acquisition system is connected with a remote computer through a wireless or wired network. In this embodiment, the two load converters 4 are far away from or close to each other, so that the height of the adjusting plate 2 is increased or decreased to achieve the effect of height adjustment, meanwhile, the sensing device 6 transmits an electric signal generated after the pressure is applied to the sensing device to the data acquisition system, and the data acquisition system transmits data to the remote computer to measure the stress load, so that the purpose of force measurement is achieved.
Example 3
As shown in fig. 4 and 5, in particular, the sensing device 6 is provided with a fixing seat 11 at one end or both ends. In this embodiment, the two ends of the sensing device 6 are both provided with the fixing bases 11, and the fixing bases 11 are matched with the end of the sensing device 6 and used for clamping the sensing device 6.
Specifically, a locking device 10 is connected in series to the end of the fixing seat 11 close to the load converter 4, and the locking device 10 is a steel plate or a section steel. The locking device 10 is arranged between the fixed seat 11 and the load converter 4, and is used for compressing the fixed seat 11 and the sensing device 6 to avoid falling off.
Example 4
As shown in fig. 6, the sensing device 6 is connected in series and/or in parallel with an elastic device 12, and the elastic device 12 is an elastic rubber body or a spring or polyurethane or spring steel. The sensing device 6 is connected with the elastic device in parallel, the elastic device 12 is located between the two load converters 4, and after the support is emptied, the elastic device 12 releases pressure to push the two load converters 4 outwards to freely adjust the height, so that the emptying gap is compensated, and the height adjusting mechanism has a self-resetting function.
Example 5
As shown in fig. 2-5, the height-adjusting mechanism further includes a bottom plate 8, the bottom plate 8 is located below the adjusting plate 2, an upper supporting surface of the bottom plate 8 is in plane or inclined plane or curved surface contact with a bottom surface of the load converter 4, the adjusting plate 2 is connected with the adjusting plate 2 through a bolt 9 and limits the two load converters 4 in the adjusting cavity 7, the support core 1 is located below the bottom plate 8 or above the adjusting plate 2, the adjusting plate 2 or the bottom plate 8 is formed by the support core 1 or is an independent component, a lower friction pair is arranged between the bottom surface of the load converter 4 and the upper supporting surface of the bottom plate 8, and the load converter 4 and the bottom plate 8 are in plane or inclined plane or curved surface contact with a contact surface of the lower friction pair respectively.
Specifically, the support core body 1 is any one of a rubber support, a basin-type support, a spherical support, a friction pendulum support and a seismic isolation and reduction support.
Example 6
As shown in fig. 8 and 9, in this embodiment, on the basis of embodiment 1, power driving devices are integrated at the front and rear ends of the height-adjusting mechanism, and the power driving devices can also be connected to the height-adjusting mechanism when needed, the horizontal or lateral power required by the two load converters 4 can be provided by the power driving devices, the power driving devices are driven by hydraulic cylinders, specifically, the power driving devices comprise a first base plate 13, a second base plate 14 and a power source 15, the first base plate 13 is connected with one load converter 4 at the end, the second base plate 14 is connected with the other load converter 4 at the end, the power source 15 is installed on the second base plate 14, the output end of the power source 15 is connected with the first base plate 13, thereby driving the two load converters 4 to move away from or close to each other, and being more beneficial to the replacement of the sensing device 6 and the adjustment of the height-adjusting mechanism, the power driving devices can be integrated with the height-adjusting mechanism, the connection to the two load converters may also be by welding, pinning, casting, bolting, etc.
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 (10)
1. A replacement method for facilitating replacement of a sensing device, comprising the steps of:
s1: the load converters (4) at two ends of the sensing device (6) are promoted to slide relatively by applying horizontal or lateral force, and the pressing force of the load converters (4) on the sensing device (6) is released;
s2: temporarily locking the positions of the two load converters (4), and taking out the sensing device (6) to be replaced;
s3: installing a new sensing device (6), wherein the sensing device (6) is connected with an elastic device (12) in series and/or in parallel and is fixed;
s4: the temporary locking is released, and the horizontal or lateral force applied is reduced to enable the two load converters (4) to slide relatively to the set position or the initial position.
2. A changing method for facilitating the changing of a sensing device according to claim 1, characterized in that in step S1, the load converters (4) are forced away from each other by applying a horizontal or lateral force to the load converters (4) by the power driving means, so that the sensing device (6) is not subjected to the horizontal or lateral pressure of the load converters (4), a gap is formed between the sensing device (6) and the load converters (4), and the load converters (4) are temporarily locked.
3. A method for facilitating replacement of a sensing device according to claim 1, wherein in step S2, after the sensing device (6) is not subjected to horizontal or lateral pressure by the load converter (4), if the sensing device (6) is connected in series with the fixed seat (11), the sensing device (6) is taken out together when it is taken out.
4. A replacing method for facilitating replacement of a sensing device according to claim 1, wherein in step S4, the two load converters (4) are moved closer to each other by reducing the horizontal or lateral force applied to the two load converters (4), and finally the two load converters (4) are adjusted to a set position or an initial position or a set load position by using the displacement or the elevation or the load as an index, and the load as an index is provided that the sensing device (6) is not damaged before replacement, the sensing device (6) after replacement is pressed and the load is measured by an externally connected data acquisition system, and if the load measured after replacement of the sensing device (6) is the same as that before replacement, the load converters (4) are restored to the initial position.
5. The replacement method for facilitating replacement of the sensing device according to claim 1 is applied to a dynamometric heightening device, the dynamometric heightening device comprises a heightening mechanism and a support core (1), the support core (1) is located above or below the heightening mechanism, the heightening mechanism comprises an adjusting plate (2), an adjusting cavity (7) is arranged on the bottom surface of the adjusting plate (2), two wedge-shaped load converters (4) are arranged in the adjusting cavity (7), the top surfaces of the load converters (4) are in contact with the inclined surface or the cylindrical surface or the curved surface of the top surface of the adjusting cavity (7), the relative sliding of the two load converters (4) changes the height of the adjusting plate (2), a plurality of sensing devices (6) are arranged between the two load converters (4), and the sensing devices (6) are connected with an external data acquisition system.
6. A method for facilitating replacement of a sensing device according to claim 5, wherein the sensing device (6) is provided with a fixing base (11) at one or both ends, and a locking device (10) is connected in series to the end of the fixing base (11) adjacent to the load converter (4), wherein the locking device (10) is a steel plate or a steel section.
7. A changing method for facilitating the changing of a sensor device according to claim 1, characterized in that the elastic means (12) is an elastic rubber body or a spring or polyurethane or spring steel.
8. A method according to claim 5, characterized in that a power driving device is connected to the height-adjusting mechanism, the power driving device comprises a first base plate (13), a second base plate (14) and a power source (15), the first base plate (13) is connected to one of the load converters (4) at one end or side, the second base plate (14) is connected to the other load converter (4) at the other end or side, the power source (15) is mounted on the second base plate (14), the output end of the power source (15) is connected to the first base plate (13), and the power source (15) is a hydraulic cylinder or a pneumatic cylinder or a mechanical transmission member.
9. A method according to claim 5, characterized in that the height-adjusting mechanism further comprises a bottom plate (8), the bottom plate (8) is located below the adjusting plate (2), the upper supporting surface of the bottom plate (8) is in plane or inclined surface or curved surface contact with the bottom surface of the load converter (4), the bottom plate is connected with the adjusting plate (2) through a bolt (9) and limits the two load converters (4) in the adjusting cavity (7), the support core (1) is located below the bottom plate (8) or above the adjusting plate (2), and the adjusting plate (2) or the bottom plate (8) is formed by the support core (1) or is a separate component.
10. The replacement method for facilitating replacement of the sensing device according to claim 9, wherein the support core (1) is any one of a rubber support, a pot support, a spherical support, a friction pendulum support and a seismic isolation support.
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| CN202011506169.6A CN112629715B (en) | 2020-12-18 | 2020-12-18 | Replacement method convenient for replacing sensing device |
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| CN202011506169.6A CN112629715B (en) | 2020-12-18 | 2020-12-18 | Replacement method convenient for replacing sensing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2415054Y (en) * | 2000-04-26 | 2001-01-17 | 黄茂忠 | Adjustable height steel support for dynamometry |
| CN102095539B (en) * | 2010-11-23 | 2012-09-05 | 北京铁科首钢轨道技术有限公司 | Self-height-adjusting multi-directional intelligent force-measuring bracket |
| JP5616925B2 (en) * | 2012-05-24 | 2014-10-29 | 間瀬建設株式会社 | Steel double camber and seismic isolation load exchange method using the same |
| CN203191217U (en) * | 2012-09-25 | 2013-09-11 | 北京铁科首钢轨道技术股份有限公司 | Horizontal load loading device |
| CN104562924B (en) * | 2014-12-31 | 2016-08-24 | 郑州航空工业管理学院 | Bridge pad from jacking backing plate replacing options |
| CN107386688A (en) * | 2017-09-09 | 2017-11-24 | 上海先达特种土木工程有限公司 | Wedge-shaped temporary support |
| KR102072664B1 (en) * | 2019-05-08 | 2020-02-03 | 브릿지테크(주) | Bridge impression system and method based on computer control |
| CN110117935A (en) * | 2019-05-28 | 2019-08-13 | 中交上海航道局有限公司 | Bridge temporary support blocks and its installation method |
| CN110630655A (en) * | 2019-09-27 | 2019-12-31 | 常州市小先信息技术有限公司 | Torque-adjustable clutch transmission device |
| CN111351603A (en) * | 2020-01-15 | 2020-06-30 | 大连理工大学 | Ice load direct measurement device of inclined plane structure |
| CN111999019B (en) * | 2020-08-26 | 2021-05-25 | 成都济通路桥科技有限公司 | Novel calibration method for bridge support device in operation period |
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Address after: No. 669, Xingyuan 10 road, a district, Xinjin Industrial Park, Chengdu, Sichuan 610000 Patentee after: Jitong Intelligent Equipment Co.,Ltd. Address before: No. 669, Xingyuan 10 road, a district, Xinjin Industrial Park, Chengdu, Sichuan 610000 Patentee before: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. |
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