阅读说明：本技术 一种弹簧支吊架载荷测量装置及方法 (Spring support and hanger load measuring device and method ) 是由 张书浩 李世涛 马东方 徐亮 闫宁 周书康 蒋豹 于 2021-09-22 设计创作，主要内容包括：本发明公开一种弹簧支吊架载荷测量装置,包括相对设置的上压板和下压板、一端与上压板相铰接且另一端与下压板相固连的支撑杆、设于上压板与下压板之间的调节杆及设于上压板的测量件。当上压板与下压板分别平行地与待测件的上下两端相抵时,调整调节杆,上压板克服待测件的弹性力绕与支撑杆相铰接的支撑铰点相对于下压板翻转挤压待测件的荷重板,测量件通过测量上压板的变形量测量待测件的载荷。本发明中整套装置所涉及的零部件较少,结构较简单,仅需调整调节杆即可,操作较方便,无需手动测量,测量结果较准确,因此可准确且方便地测量弹簧吊支架的载荷。本发明还公开一种弹簧支吊架载荷测量方法。(The invention discloses a spring support and hanger load measuring device which comprises an upper pressure plate and a lower pressure plate which are arranged oppositely, a supporting rod, an adjusting rod and a measuring piece, wherein one end of the supporting rod is hinged with the upper pressure plate, the other end of the supporting rod is fixedly connected with the lower pressure plate, the adjusting rod is arranged between the upper pressure plate and the lower pressure plate, and the measuring piece is arranged on the upper pressure plate. When the upper pressing plate and the lower pressing plate respectively abut against the upper end and the lower end of the piece to be measured in parallel, the adjusting rod is adjusted, the upper pressing plate overcomes the elastic force of the piece to be measured, the load plate of the piece to be measured is overturned and extruded by the upper pressing plate around the supporting hinge point hinged with the supporting rod relative to the lower pressing plate, and the measuring piece measures the load of the piece to be measured by measuring the deformation of the upper pressing plate. The whole device has fewer related parts and simpler structure, only needs to adjust the adjusting rod, is more convenient to operate, does not need manual measurement, and has more accurate measurement result, so that the load of the spring hanger bracket can be accurately and conveniently measured. The invention also discloses a spring support and hanger load measuring method.)

1. A spring hanger load measuring device, characterized by includes:

the upper pressing plate (1) and the lower pressing plate (2) are oppositely arranged;

one end of the supporting rod (3) is hinged with the upper pressing plate (1), and the other end of the supporting rod is fixedly connected with the lower pressing plate (2);

the adjusting rod (4) is arranged between the upper pressing plate (1) and the lower pressing plate (2);

a measuring part (5) arranged on the upper pressure plate (1);

when top board (1) with bottom board (2) parallel ground respectively with wait to examine the upper and lower both ends of a piece when offsetting, adjust pole (4), top board (1) overcome the elastic force of waiting to examine the piece around with bracing piece (3) looks articulated support hinge point (6) for bottom board (2) upset extrusion the load board (02) of waiting to examine the piece, measure piece (5) through measuring the deformation measurement of top board (1) the load of waiting to examine the piece.

2. The spring hanger load measuring device according to claim 1, characterized in that the support bar (3) is located in the middle of both the upper platen (1) and the lower platen (2).

3. The spring support and hanger load measuring device according to claim 2, wherein a fixed pressure point (7) for pressing the load plate (02) downwards is fixedly arranged on one side of the lower pressure plate (2) close to the piece to be measured, and the measuring piece (5) is positioned between the support hinge point (6) and the fixed pressure point (7).

4. The spring support hanger load measuring device according to any one of claims 1 to 3, wherein one end of the support rod (3) far away from the upper pressure plate (1) passes through the lower pressure plate (2) and is mounted on an upper fixing nut (8) and a lower fixing nut (9) which respectively abut against the upper side and the lower side of the lower pressure plate (2).

5. The spring support hanger load measuring device according to any one of claims 1 to 3, wherein the adjusting rod (4) is provided on a side of both the upper platen (1) and the lower platen (2) away from the piece to be measured.

6. The spring support and hanger load measuring device according to claim 5, characterized in that the first end of the adjusting rod (4) is hinged with the upper pressure plate (1), and the second end thereof passes through the lower pressure plate (2) and is provided with an adjusting nut (10) which is abutted with the lower pressure plate (2).

7. A spring hanger load measuring device according to any one of claims 1 to 3, characterized in that the upper pressure plate (1) is provided with a level gauge.

8. The spring hanger load measuring device according to any one of claims 1 to 3, further comprising a display and a controller connected to the display and the measuring member (5), respectively, wherein when the controller receives a load signal fed back from the measuring member (5), the controller controls the display to display a measured load value.

9. A spring hanger load measuring method applied to the spring hanger load measuring apparatus according to any one of claims 1 to 8, comprising the steps of:

placing a piece to be tested on a lower pressing plate, wherein an upper pressing plate and the lower pressing plate are respectively abutted against the upper end and the lower end of the piece to be tested in parallel;

adjusting an adjusting rod, wherein the upper pressing plate overturns around a supporting hinge point hinged with the supporting rod to extrude the load plate of the piece to be measured;

obtaining the current strain of the measuring piece according to the deformation of the upper pressure plate;

obtaining an actual horizontal distance between the measuring member and the support hinge point;

and acquiring the current load of the piece to be measured according to the corresponding relation among the load, the horizontal distance and the dependent variable.

10. The spring hanger load measuring method according to claim 9, wherein the correspondence isWherein F is the current load of the piece to be measured; WZ is the bending-resistant section coefficient of the upper pressing plate; sigma is the current dependent variable of the measuring piece; l is the actual horizontal distance between the measuring member and the support hinge point.

Technical Field

The invention relates to the field of pipeline supporting and hanging frames, in particular to a spring supporting and hanging frame load measuring device. The invention also relates to a spring support and hanger load measuring method.

Background

In order to reduce the additional stress caused by thermal expansion and cold contraction of the pipeline, the spring support and hanger is widely used for fixing and hoisting industrial pipelines or equipment in the industries of electric power, petrifaction and the like.

The existing spring support and hanger generally comprises a load plate, a bottom plate, a basket nut and a spring, wherein the load plate is parallel to the bottom plate, the basket nut is connected between the load plate and the bottom plate, and two ends of the spring are respectively abutted to the load plate and the bottom plate. Before installation, it is extremely important to accurately measure the load of the spring support and hanger.

However, the existing measurement method is usually to manually measure the load of the spring hanger bracket by using a chain block, and the measurement structure is usually inaccurate due to the limitation of the measurement experience of a measuring person. In addition, the spring hanger support is measured by means of a complex test platform, although the mode is accurate compared with manual measurement, the structure of the test platform is complex, the requirement on a use site is high, the operation difficulty is high, and the measurement is inconvenient.

Therefore, how to accurately and conveniently measure the load of the spring hanger bracket is a technical problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, the present invention is directed to a load measuring device for a spring hanger, which only needs to adjust an adjusting plate, so that an upper pressing plate can be turned over around a supporting hinge point hinged to a supporting rod to press a load plate of a to-be-measured object, and a measuring device measures the load of the to-be-measured object by measuring the deformation of the upper pressing plate. The invention also aims to provide a spring support and hanger load measuring method.

The invention provides a spring support hanger load measuring device, which comprises:

the upper pressing plate and the lower pressing plate are oppositely arranged;

one end of the supporting rod is hinged with the upper pressing plate, and the other end of the supporting rod is fixedly connected with the lower pressing plate;

the adjusting rod is arranged between the upper pressure plate and the lower pressure plate;

the measuring piece is arranged on the upper pressure plate;

when the upper pressing plate and the lower pressing plate respectively abut against the upper end and the lower end of the piece to be measured in parallel, the adjusting rod is adjusted, the upper pressing plate overcomes the elastic force of the piece to be measured, the load plate of the piece to be measured is overturned and extruded by the upper pressing plate around the supporting hinge point hinged with the supporting rod relative to the lower pressing plate, and the measuring piece measures the load of the piece to be measured by measuring the deformation of the upper pressing plate.

Preferably, the supporting rod is positioned between the upper pressing plate and the lower pressing plate.

Preferably, one side of the lower pressing plate, which is close to the piece to be measured, is fixedly provided with a fixed pressing point for downwards pressing the load bearing plate, and the measuring piece is positioned between the supporting hinge point and the fixed pressing point.

Preferably, one end of the support rod, which is far away from the upper pressure plate, penetrates through the lower pressure plate and is arranged on an upper fixing nut and a lower fixing nut which are respectively abutted against the upper side and the lower side of the lower pressure plate.

Preferably, the adjusting rod is arranged on one side of the upper pressure plate and one side of the lower pressure plate, which are far away from the piece to be measured.

Preferably, the first end of the adjusting rod is hinged with the upper pressure plate, and the second end of the adjusting rod penetrates through the lower pressure plate and is provided with an adjusting nut which is abutted against the lower pressure plate.

Preferably, the upper pressure plate is provided with a level gauge.

Preferably, the load measuring device further comprises a display and a controller respectively connected with the display and the measuring part, and when the controller receives a load signal fed back by the measuring part, the controller controls the display to display the measured load value.

The invention provides a spring support and hanger load measuring method, which is applied to any one spring support and hanger load measuring device, and comprises the following steps:

placing the piece to be tested on a lower pressing plate, wherein the upper pressing plate and the lower pressing plate are respectively abutted against the upper end and the lower end of the piece to be tested in parallel;

adjusting an adjusting rod, and overturning and extruding the load plate of the piece to be measured by the upper pressure plate around a supporting hinge point hinged with the supporting rod;

obtaining the current strain of the measuring piece according to the deformation of the upper pressure plate;

obtaining the actual horizontal distance between the measuring piece and the supporting hinge point;

and acquiring the current load of the piece to be measured according to the corresponding relation among the load, the horizontal distance and the dependent variable.

Preferably, the corresponding relationship isWherein F is the current load of the piece to be measured; WZ is the bending-resistant section coefficient of the upper pressing plate; sigma is the current dependent variable of the measuring piece; l is the actual horizontal distance between the measuring member and the supporting hinge point.

Compared with the prior art, the load measuring device for the spring support hanger comprises an upper pressing plate, a lower pressing plate, a supporting rod, an adjusting rod and a measuring piece, wherein the upper pressing plate and the lower pressing plate are arranged oppositely, one end of the supporting rod is hinged with the upper pressing plate, the other end of the supporting rod is fixedly connected with the lower pressing plate, the adjusting rod is arranged between the upper pressing plate and the lower pressing plate, and the measuring piece is arranged on the upper pressing plate.

During measurement, the upper pressing plate and the lower pressing plate are parallel, a piece to be measured is placed on the lower pressing plate, the upper pressing plate and the lower pressing plate respectively abut against the upper end and the lower end of the piece to be measured in parallel, and the upper pressing plate is not loaded at the moment; the adjusting rod is adjusted, the upper pressing plate overturns relative to the lower pressing plate around a hinged point hinged with the supporting rod, the upper pressing plate overcomes the elastic force of the piece to be measured to extrude a load plate of the piece to be measured, the upper pressing plate generates elastic deformation, and the measuring piece indirectly measures the load of the piece to be measured by measuring the deformation of the upper pressing plate.

Therefore, the spring support and hanger load measuring device provided by the invention has the advantages that related parts are fewer, the structure is simpler, only the adjusting rod needs to be adjusted, the operation is more convenient, manual measurement is not needed, and the measuring result is more accurate, so that the load of the spring support and hanger can be accurately and conveniently measured.

The technical scheme of the spring support and hanger load measuring method provided by the invention is the same as that of the spring support and hanger load measuring device provided by the invention, and the spring support and hanger load measuring method has the same beneficial effects.

Drawings

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

Fig. 1 is a structural diagram of a spring hanger load measuring device according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a measurement state diagram of a spring hanger load measurement device according to an embodiment of the present invention.

The reference numbers are as follows:

the positioning pin 01, the loading plate 02, the bottom plate 03, the basket nut 04 and the spring 05;

the device comprises an upper pressing plate 1, a lower pressing plate 2, a supporting rod 3, an adjusting rod 4, a measuring piece 5, a supporting hinge point 6, a fixed pressing point 7, an upper fixing nut 8, a lower fixing nut 9 and an adjusting nut 10.

Detailed Description

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

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.

Referring to fig. 1 to 3, fig. 1 is a structural diagram of a spring hanger load measuring device according to an embodiment of the present invention; FIG. 2 is a top view of FIG. 1; fig. 3 is a measurement state diagram of a spring hanger load measurement device according to an embodiment of the present invention.

The embodiment of the invention discloses a spring support and hanger load measuring device, which is suitable for measuring and comprises a positioning pin 01, a load plate 02, a bottom plate 03, a basket nut 04 and a spring 05, wherein the positioning pin 01 is horizontally inserted into the top of the load plate 02, the load plate 02 is opposite to the bottom plate 03, two ends of the spring 05 are respectively abutted against the load plate 02 and the bottom plate 03, and the basket nut 04 is connected between the load plate 02 and the bottom plate 03. All the pieces to be tested are referred to as spring hangers and supports. In an initial state, the spring 05 is compressed, the loading plate 02 is parallel to the bottom plate 03, and the positioning pin 01 abuts against the loading plate 02 to limit the loading plate 02 to move upwards; during measurement, the load plate 02 is pressed downwards by overcoming the elastic force of the spring 05 until the positioning pin 01 can be pulled out horizontally, and then the load measurement is completed.

The spring support and hanger load measuring device provided by the invention comprises an upper pressure plate 1, a lower pressure plate 2, a support rod 3, an adjusting rod 4 and a measuring piece 5, wherein the upper pressure plate 1 and the lower pressure plate 2 are arranged oppositely, and both are rectangular flat plates with equal length and width. During measurement, the upper pressing plate 1 abuts against the loading plate 02 of the piece to be measured, and the bottom plate 03 of the piece to be measured is horizontally pressed on the lower pressing plate 2. It should be noted that, before measurement, it is necessary to ensure that the upper pressing plate 1 and the lower pressing plate 2 are parallel, so that the upper pressing plate 1 and the lower pressing plate 2 are respectively and parallelly abutted against the upper end and the lower end of the to-be-measured object, thereby avoiding the pressing of the upper pressing plate 1 on the load plate 02 before measurement, and the following contents can be referred to for a specific adjustment manner.

The supporting rod 3 is arranged between the upper pressing plate 1 and the lower pressing plate 2 and used for supporting the upper pressing plate 1 and the lower pressing plate 2. One end of the supporting rod 3 is hinged with the upper pressure plate 1 to form a supporting hinge point 6, so that the upper pressure plate 1 overturns around the supporting hinge point 6 to extrude the load bearing plate 02 in the measuring process. The other end of the supporting rod 3 is fixedly connected with the lower pressing plate 2.

For the convenience of leveling the upper pressing plate 1 and the lower pressing plate 2, the supporting rod 3 is detachably connected with the lower pressing plate 2, a fixing screw rod is arranged at one end, away from the upper pressing plate 1, of the supporting rod 3, the fixing screw rod vertically penetrates through the lower pressing plate 2, an upper fixing nut 8 and a lower fixing nut 9 are arranged on the fixing screw rod, the upper fixing nut 8 and the lower fixing nut 9 are respectively located on the upper side and the lower side of the lower pressing plate 2 and abut against each other, the supporting rod 3 is locked, and the supporting rod 3 is vertically fixed on the lower pressing plate 2. Before measurement, after the supporting rod 3 penetrates through the lower pressing plate 2, the upper fixing nut 8 and the lower fixing nut 9 are screwed in a matched mode, so that the supporting rod 3 vertically moves up and down in the lower pressing plate 2, and the supporting rod 3 correspondingly jacks or pulls down the upper pressing plate 1 until the upper pressing plate 1 is parallel to the lower pressing plate 2.

Certainly, the connection mode of the supporting rod 3 and the lower pressing plate 2 is not limited to the above, for example, the supporting rod 3 may also be fixedly welded on the lower pressing plate 2, during measurement, the upper pressing plate 1 is manually held, and the level of the upper pressing plate 1 and the lower pressing plate 2 is manually adjusted, although the measurement accuracy of the fixing mode of the supporting rod 3 is lower than that of the above scheme, the supporting rod 3 can still achieve the dual purposes of supporting and leveling.

An adjusting rod 4 is also arranged between the upper pressure plate 1 and the lower pressure plate 2 and is used for adjusting the upper pressure plate 1 during measurement. The adjusting rod 4 is parallel to the supporting rod 3. The measuring part 5 is arranged on the upper pressure plate 1, and can be specifically a strain gauge adhered to the top of the upper pressure plate 1.

During measurement, the upper pressing plate 1 is parallel to the lower pressing plate 2, a piece to be measured is placed on the lower pressing plate 2, the upper pressing plate 1 and the lower pressing plate 2 are respectively abutted against the upper end and the lower end of the piece to be measured in parallel, and the upper pressing plate 1 is not loaded; the adjusting rod 4 is adjusted in the adjustment, the upper pressing plate 1 overturns relative to the lower pressing plate 2 around the hinged point hinged with the supporting rod 3, the upper pressing plate 1 overcomes the elastic force of the piece to be measured to extrude the load plate 02 of the piece to be measured, the upper pressing plate 1 generates elastic deformation, and the measuring piece 5 indirectly measures the load of the piece to be measured by measuring the deformation of the upper pressing plate 1.

In conclusion, the load measuring device for the spring support and hanger provided by the invention has fewer related parts and simpler structure, only needs to adjust the adjusting rod 4, is more convenient to operate, does not need manual measurement, and has more accurate measuring result, so that the load of the spring 05 hanger can be accurately and conveniently measured.

The supporting rod 3 is located between the upper pressing plate 1 and the lower pressing plate 2, namely the upper end of the supporting rod 3 is hinged to the center of the upper pressing plate 1, and the lower end of the supporting rod 3 penetrates through the center of the lower pressing plate 2, so that the upper pressing plate 1 and the lower pressing plate 2 can be conveniently leveled, the phenomenon that the upper pressing plate 1 is inclined due to unstable gravity after being leveled can be avoided, and the supporting rod 3 can conveniently and stably support the upper pressing plate 1 and the lower pressing plate 2.

One side of the lower pressing plate 2 close to the piece to be measured is fixedly provided with a fixed pressing point 7, the load plate 02 is downwards extruded in a point pressing mode by virtue of the fixed pressing point 7, and the measuring piece 5 is positioned between the support hinge point 6 and the fixed pressing point 7, so that the load of the piece to be measured can be accurately measured.

Adjust pole 4 and locate the two one side of keeping away from the piece that awaits measuring of top board 1 and holding down plate 2, take figure 3 as an example, adjust the top of pole 4 and link to each other with the right-hand member of top board 1, adjust the left end that pole 4 can drive top board 1 in the form of lever like this and remove, conveniently adjust top board 1.

The first end of the adjusting rod 4 is hinged with the upper pressing plate 1, the second end of the adjusting rod is provided with an adjusting screw rod, the adjusting screw rod penetrates through the lower pressing plate 2, and an adjusting nut 10 which is abutted against the lower pressing plate 2 is arranged on the adjusting screw rod. During measurement, the adjusting nut 10 is screwed, the adjusting rod 4 jacks up the right end of the upper pressure plate 1 to move upwards, the upper pressure plate 1 rotates around the supporting hinge point 6, and the left end of the upper pressure plate 1 moves downwards to extrude the load plate 02. So set up regulation pole 4, both conveniently adjusted the inclination of holding down plate 2, be convenient for control holding down plate 2 again and apply the load to loading board 02.

Of course, the mounting manner of the adjusting rod 4 is not limited to the above, for example, the upper end of the adjusting rod 4 and the upper press plate 1 may be connected by bolts and nuts, and the lower press plate 2 may be adjusted.

The upper pressing plate 1 is provided with a level meter for judging whether the upper pressing plate 1 is horizontal or not, further judging whether the upper pressing plate 1 and the lower pressing plate 2 are horizontal or not before measurement, avoiding pressing the to-be-measured piece before the upper pressing plate 1 is measured, and facilitating accurate measurement of the load of the to-be-measured piece.

The spring support hanger load measuring device provided by the invention further comprises a display and a controller, wherein the controller is respectively connected with the display and the measuring piece 5, when the controller receives a load signal fed back by the measuring piece 5, the controller processes and converts the load signal into a digital signal and sends the digital signal to the display, and the display displays the measured load value, so that a measurer can conveniently and quickly read a measuring result, and the spring support hanger load measuring device is convenient to use.

The invention also discloses a spring support and hanger load measuring method, which is applied to a spring support and hanger load measuring device and comprises the following steps:

the method comprises the following steps that firstly, a piece to be tested is placed on a lower pressing plate, the upper pressing plate and the lower pressing plate are respectively abutted against the upper end and the lower end of the piece to be tested in parallel, the bottom of the piece to be tested is pressed against the left end of the lower pressing plate in parallel, a fixed pressing point of the upper pressing plate is abutted against a load bearing plate of the piece to be tested, and the lower pressing plate is not loaded at the moment. Before measurement, an upper fixing nut and a lower fixing nut on the supporting rod are matched and adjusted, and an upper pressing plate is directly parallel to a lower pressing plate.

And secondly, screwing an adjusting nut, adjusting an adjusting rod, driving the right end of the upper pressing plate to turn around a supporting hinge point hinged with the supporting rod by the adjusting rod, overcoming the elastic force of a spring of the piece to be tested by a fixed pressing point at the left end of the lower pressing plate, downwards extruding a loading plate of the piece to be tested until a positioning pin of the piece to be tested can be horizontally pulled out, and stopping screwing the adjusting nut.

And thirdly, when the lower pressing plate extrudes the load plate, the upper pressing plate elastically deforms, and the current strain of the measuring piece is obtained according to the deformation of the upper pressing plate.

And fourthly, obtaining the actual horizontal distance between the measuring piece and the supporting hinge point, wherein the actual horizontal distance is also directly measured and obtained, and can also be obtained by sampling through a distance sensor.

And fifthly, acquiring the current load of the to-be-measured piece according to the corresponding relation among the load, the horizontal distance and the dependent variable. Wherein the corresponding relationship isWherein F is the current load of the piece to be measured; WZ is the bending-resistant section coefficient of the upper pressing plate; sigma is the current dependent variable of the measuring piece; l is the actual horizontal distance between the measuring member and the supporting hinge point.

The device and the method for measuring the load of the spring support hanger provided by the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.