CN220398770U - Auxiliary load measuring device for supporting and hanging frame - Google Patents
Auxiliary load measuring device for supporting and hanging frame Download PDFInfo
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- CN220398770U CN220398770U CN202322091374.6U CN202322091374U CN220398770U CN 220398770 U CN220398770 U CN 220398770U CN 202322091374 U CN202322091374 U CN 202322091374U CN 220398770 U CN220398770 U CN 220398770U
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- 238000006243 chemical reaction Methods 0.000 description 6
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Abstract
The utility model relates to the technical field of detection, in particular to an auxiliary measuring device for supporting and hanging frame load, which is arranged on a hanging rod of a supporting and hanging frame and comprises a clamping assembly and a measuring assembly; the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are respectively clamped and installed on the suspender; the measuring assembly comprises a dowel bar and a tension sensor, wherein the dowel bar is fixedly connected between the first clamping assembly and the second clamping assembly, and the tension sensor is installed on the dowel bar. The load of the dowel bar is measured through a tension sensor, and the corresponding relation of the load is obtained by using the deformation equality of the hanger boom and the dowel bar, so that the load of the hanger is obtained; the device simple structure, simple operation, the degree of accuracy is high.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to an auxiliary measuring device for supporting and hanging frame load.
Background
The hangers are widely used in the electric power and chemical industry as main bearing parts of the pipeline system, in theory, each hanger should bear specific load under different working conditions, but in actual operation, the actual load of each hanger is likely to deviate from the design greatly due to the reduction of the hanger performance caused by manufacturing errors, improper installation, frequent working condition change and the like, and the safe operation and the service life of the pipeline are seriously affected. Therefore, when there is an abnormality in the expansion of the pipe or the hanger indicates an abnormality, the load of the hanger is measured, and the performance of the hanger is evaluated.
The adjustment of the specified installation load in the steam-water pipeline and support and hanger maintenance adjustment guide rule (DLT 616-2006) of the thermal power plant is carried out through a basket nut or an elastic nut, so that the general support and hanger structure is provided with the basket nut with adjustable load. The upper end and the lower end of the flower basket nut are provided with left-handed threads and right-handed threads, when the flower basket nut is rotated, the suspenders at the two ends can enter or exit simultaneously, and the effect of tightening or loosening the suspenders is achieved.
The tool for adjusting the cross basket nut described in CN201811380621.1 cannot adjust the hanger load through the basket nut, and is not suitable for adjusting the hanger load in service. At present, the relation between the load of the support and the natural frequency is deduced through a theoretical formula, and then the load of the support and the hanger is obtained through measuring the natural frequency; however, the theoretical formula has larger limitation on the hanger type, boundary conditions and the like, and is not suitable for load measurement of the hanger with the complex structure. Therefore, there is a need to design a simple, convenient and suitable device for in-service support and hanger load measurement, which solves the above-mentioned problems.
Disclosure of Invention
The utility model provides an auxiliary load measuring device for a support and a hanger, which can be used for achieving the purpose of more conveniently, accurately and quantitatively measuring the load of the support and the hanger.
In order to achieve the above purpose, the utility model provides a support hanger load auxiliary measuring device, which is arranged on a hanger rod of a support hanger and comprises a clamping assembly and a measuring assembly; the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are respectively clamped and installed on the suspender; the measuring assembly comprises a dowel bar and a tension sensor, wherein the dowel bar is fixedly connected between the first clamping assembly and the second clamping assembly, and the tension sensor is installed on the dowel bar.
Further, the first clamping assembly and the second clamping assembly have the same structure and comprise two connecting assemblies which are buckled with each other and are symmetrical, and the two buckled connecting assemblies form a boom hole for clamping a boom.
Further, fixing threaded holes are formed in the two connecting assemblies, and the connecting assemblies are fixedly installed with each other through fastening bolts.
Further, the relative positions of the first clamping assembly and the second clamping assembly are respectively provided with a connecting hole, the dowel steel penetrates through the connecting holes, one end of the dowel steel penetrating through the connecting holes is provided with a flange, and the diameter of the flange is larger than that of the connecting holes.
Further, the measuring assembly comprises two groups which are symmetrically arranged, each group comprises two dowel bars and a tension sensor, the tension sensor of each group is arranged between the two dowel bars of the group, and the two dowel bars of each group are respectively connected with the first clamping assembly and the second clamping assembly.
Further, the dowel bar is in threaded connection with the tension sensor.
Further, a level gauge is arranged on the first clamping component or the second clamping component.
Further, the distance between the first clamping component and the second clamping component is not less than 500mm.
Further, the diameter of the force transmission rod is not more than 10mm.
The utility model provides an auxiliary measuring device for supporting and hanging bracket load, wherein the design of a clamping assembly and a measuring assembly realizes auxiliary quantitative measurement of the in-service supporting and hanging bracket load, only small load is required to be measured, large load required to be measured can be obtained through load conversion, the problem that the large load supporting and hanging bracket is difficult to quantitatively measure is solved, meanwhile, a small-range and high-precision tension sensor is selected, the measuring precision is improved, and the auxiliary measuring device is simple in structure and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of a support and hanger load auxiliary measuring device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a clamping assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic illustration of a dowel bar and clamping assembly connection provided by an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a tension sensor provided by an embodiment of the present utility model;
description of the drawings: 100. a boom; 200. a first clamping assembly; 201. a second clamping assembly; 300. a dowel bar; 400. a tension sensor; 500. a basket nut; 600. a data line; 20. a boom hole; 21. a connection assembly; 22. a fixing hole; 23. a connection hole; 24. fixing the threaded holes; 25. a level gauge; 301. a flange; 302. a thread; 401. and (3) a threaded hole.
Detailed Description
The following examples are given for the purpose of illustration only and are not to be construed as limiting the utility model, including the drawings for reference and description only, and are not to be construed as limiting the scope of the utility model as many variations thereof are possible without departing from the spirit and scope of the utility model.
In one embodiment, the present utility model provides a hanger load assist measurement device, as shown in FIG. 1, disposed on a hanger bar 100 of a hanger, the device comprising a clamp assembly and a measurement assembly; the clamping assembly comprises a first clamping assembly 200 and a second clamping assembly 201, and the first clamping assembly 200 and the second clamping assembly 201 are respectively clamped and installed on the boom 100; the measuring assembly comprises a dowel bar 300 and a tension sensor 400, wherein the dowel bar 300 is fixedly connected between the first clamping assembly 200 and the second clamping assembly 201, and the tension sensor 400 is arranged on the dowel bar 300.
Specifically, the hanger includes a hanger rod 100 and a basket nut 500, and the first clamping assembly 200 and the second clamping assembly 201 are located on the same side of the basket nut 500 and cannot span the basket nut 500. The design of the clamping assembly and the measuring assembly in the device enables the deformation of the dowel bar 300 and the deformation of the hanger boom 100 to be consistent, the load of the dowel bar 300 is measured through the tension sensor 400, and the corresponding relation of the load is obtained according to the deformation equality of the hanger boom 100 and the dowel bar 300, so that the load of the hanger is obtained, the device is simple in structure, convenient to operate and high in measurement accuracy.
In one embodiment, as shown in fig. 2, the first clamping assembly 200 and the second clamping assembly 201 have the same structure, and each include two connecting assemblies 21 that are mutually buckled and symmetrical, and the buckled two connecting assemblies 21 form a boom hole 20 for clamping the boom 100. Optionally, each connecting component 21 is provided with a semicircular groove, and after the two connecting components 21 are buckled, the two semicircular grooves are opposite to each other to form a boom hole 20. The design of the connection assembly 21 allows the clamp assembly to be adjusted in position on the boom 100 for ease of measurement.
In one embodiment, both of the connection members 21 are provided with fixing screw holes 24 and fixedly installed to each other by fastening bolts. In this embodiment, the two connecting components 21 are provided with fixing holes 22, which are perpendicular to the axial direction of the boom 100, and the fixing holes 22 and the fixing screw holes 24 of one connecting block 21 are respectively opposite to the fixing screw holes 24 and the fixing holes 22 of the other connecting block 21, then two fixing bolts are respectively threaded through the fixing holes 22 and then are connected with the fixing screw holes 24 in a threaded manner, and finally the fixing bolts are screwed, so that the two connecting components can be buckled with each other.
In one embodiment, the first clamping assembly 200 and the second clamping assembly 201 are provided with connecting holes 23 at opposite positions, the dowel 300 penetrates through the connecting holes 23, as shown in fig. 3, one end of the dowel 300 penetrating through the connecting holes 23 is provided with a flange 301, and the diameter of the flange 301 is larger than that of the connecting holes 23. In this embodiment, in normal use, since the diameter of the flange 301 is larger than the aperture of the connection hole 23, the flange 301 abuts against the clamping component on the peripheral side of the connection hole 23, so that the dowel bar 300 deforms the same as the hanger boom 100, and a load corresponding relationship is obtained, so as to obtain the hanger load.
In one embodiment, the measuring assembly comprises two symmetrically arranged sets, each set comprising two dowel bars 300 and one tension sensor 400, the tension sensor 400 of each set being mounted between the two dowel bars 300 of each set, the two dowel bars 300 of each set being connected to the first clamping assembly 200 and the second clamping assembly 201, respectively. In this embodiment, two sets of measuring assemblies are symmetrically arranged vertically on both sides of the boom 100, and are connected between the first clamping assembly 200 and the second clamping assembly 201, parallel to the boom 100, and the dowel 300 is elongated in equal amounts to the boom 100. The dowel bars 300 can be provided with different lengths to adapt to different types of cradles, and suitable dowel bars 300 can be selected for measurement according to the length of the actual cradle.
In one embodiment, the dowel 300 is threadably coupled to the tension sensor 400. In this embodiment, as shown in fig. 3, a thread 302 is disposed at an end of the dowel bar 300 connected to the tension sensor 400, and as shown in fig. 4, a threaded hole 401 is disposed on the tension sensor, and the thread 302 is matched with the threaded hole 401. During measurement, deformation of the two dowel bars 300 in each set of measurement assemblies is measured by the tension sensors 400 in the set; the tension sensor 400 performs load measurement via an expander and a data handling system; the pull sensor 400 is a detection component commonly used in the art, and its specific usage and detection principle are not described herein.
In one embodiment, a level is provided on either the first clamp assembly 200 or the second clamp assembly 201. In this embodiment, the level 25 arrangement ensures that the clamping assembly remains level at all times, so that the measurement results are more accurate. The distance between the first clamping assembly 200 and the second clamping assembly 201 is not less than 500mm; the diameter of the dowel 300 is no greater than 10mm; the material selected for dowel bar 300 should be a low modulus titanium alloy; the device has the advantages of reducing the influence of the device on the load of the boom, reducing the load measurement value of the dowel bar and improving the measurement accuracy. Furthermore, the device is also provided with a load conversion coefficient, and the calibration can be performed regularly so as to ensure the accuracy of the measurement of the device.
The using method of the device is as follows:
(1) The load of the support and hanger is cleared by adopting a method in the patent CN202010910191.0 or by adopting a method such as a chain block and the like, and the bearing condition of a pipeline at a hanging point where the support and hanger is positioned is ensured not to be greatly changed;
(2) The first clamping assembly 200 and the second clamping assembly 201 are fixed to the boom 100 by fastening bolts;
(3) The 4 groups of dowel bars 300 respectively pass through the connecting holes 23 on the clamping assembly and are in threaded connection with the tension sensor 400;
(4) The tension sensor 400 is connected with a data handling system through a data line 600;
(5) After the auxiliary detection device is installed and the data handling system is debugged, the turnbuckle nut 500 at the lower end of the adjusting boom 100 such as a pipe wrench is used to tighten the boom 100, and when the pin of the spring hanger and the clamping block of the constant force hanger are adjusted to the cold state position, namely, the pin of the spring hanger and the clamping block of the constant force hanger are not loaded, the load F on the dowel bars 300 at the left side and the right side at the moment is detected by the tension sensor 400 0 ；
(6) The measured values of the loads born by the dowel bars 300 on the left side and the right side are the same, otherwise, the installation and the debugging of the device are carried out again;
(7) From detecting the load F 0 And the load conversion coefficient k of the device to obtain the load F of the support and hanger.
Specifically, the cradle load auxiliary measuring device load conversion coefficient k and cradle load F are calculated as follows:
F＝F 1 +2F 0 ＝(k+2)F 0
wherein F is a hanger load, deltal is a displacement value of the hanger rod between the first clamping group and the second clamping component, F 0 Is the average value of the detection values of the tension sensors at two sides, L 0 Length sum of single-side dowel bars, A 0 For the cross-section area of the dowel bar E 0 The elastic modulus of the dowel bar is D is the diameter of the dowel bar, A is the sectional area of the boom, E is the elastic modulus of the boom, D is the diameter of the boom, L is the distance between the first clamping assembly and the second clamping assembly, F 1 The load applied to the boom between the first clamping assembly and the second clamping assembly is k, and k is a load conversion coefficient.
In a specific embodiment, the length L of the hanger boom to be measured is 1000mm, the diameter D is 48mm, the elastic modulus E is 200GPa, and the length L of the force transmission rod is selected 0 800mm, diameter d of 8mm, elastic modulus E 0 An auxiliary measuring device of 100GPa, the load conversion coefficient k of the auxiliary measuring device is 57.6; the auxiliary device is used for measuring the support and hanger with the load of 50kN, and the measured value is 838.9N only. If a material with smaller elastic modulus is selected, the required measurement value can be greatly reduced, and the measurement accuracy is improved.
In summary, the utility model provides an auxiliary load measuring device for a support and hanger, the device is arranged on a hanger rod of the support and hanger, and the device comprises a clamping component and a measuring component; the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are respectively clamped and mounted on the suspender; the measuring assembly comprises a dowel bar and a tension sensor, the dowel bar is fixedly connected between the first clamping assembly and the second clamping assembly, and the tension sensor is arranged on the dowel bar. According to the utility model, the load of the dowel bar is measured through the tension sensor, and the corresponding relation of the load is obtained by using the deformation equality of the hanger boom and the dowel bar, so that the load of the hanger is obtained; the device simple structure, simple operation, the degree of accuracy is high.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (9)
1. A hanger load assist measurement device disposed on a hanger bar of a hanger, the device comprising a clamping assembly and a measurement assembly; the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are respectively clamped and installed on the suspender; the measuring assembly comprises a dowel bar and a tension sensor, wherein the dowel bar is fixedly connected between the first clamping assembly and the second clamping assembly, and the tension sensor is installed on the dowel bar.
2. The auxiliary support and hanger load measuring device according to claim 1, wherein the first clamping assembly and the second clamping assembly have the same structure, each of the first clamping assembly and the second clamping assembly comprises two connecting assemblies which are mutually buckled and symmetrical, and the buckled two connecting assemblies form a hanger rod hole for clamping a hanger rod.
3. A hanger load assist measurement apparatus as claimed in claim 2 wherein threaded bores are provided in both of said connection assemblies and are fixedly mounted to each other by fastening bolts.
4. The auxiliary support and hanger load measuring device according to claim 2, wherein connecting holes are formed in the opposite positions of the first clamping assembly and the second clamping assembly, the dowel penetrates through the connecting holes, a flange is arranged at one end of the dowel penetrating through the connecting holes, and the diameter of the flange is larger than that of the connecting holes.
5. A hanger load assist measurement apparatus as claimed in claim 2 wherein the measurement assembly comprises two symmetrically arranged groups, each group comprising two dowel bars and a tension sensor, the tension sensor of each group being mounted between the two dowel bars of each group, the two dowel bars of each group being connected to the first and second clamping assemblies respectively.
6. The support hanger load assist measurement device of claim 5 wherein said dowel bar is threadably coupled to said tension sensor.
7. A hanger load assist measurement as claimed in claim 1 wherein the first or second clamp assemblies are provided with a level gauge.
8. A hanger load assist measurement as claimed in claim 1 wherein the distance between the first and second clamp assemblies is not less than 500mm.
9. A hanger load assist measurement as claimed in claim 1 wherein the diameter of the force transfer rod is no greater than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091374.6U CN220398770U (en) | 2023-08-04 | 2023-08-04 | Auxiliary load measuring device for supporting and hanging frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091374.6U CN220398770U (en) | 2023-08-04 | 2023-08-04 | Auxiliary load measuring device for supporting and hanging frame |
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| Publication Number | Publication Date |
|---|---|
| CN220398770U true CN220398770U (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322091374.6U Active CN220398770U (en) | 2023-08-04 | 2023-08-04 | Auxiliary load measuring device for supporting and hanging frame |
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| Country | Link |
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| CN (1) | CN220398770U (en) |
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2023
- 2023-08-04 CN CN202322091374.6U patent/CN220398770U/en active Active
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