CN216081413U - Measuring device - Google Patents

Measuring device Download PDF

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Publication number
CN216081413U
CN216081413U CN202122760185.4U CN202122760185U CN216081413U CN 216081413 U CN216081413 U CN 216081413U CN 202122760185 U CN202122760185 U CN 202122760185U CN 216081413 U CN216081413 U CN 216081413U
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China
Prior art keywords
sub
rod
support
force application
measuring
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CN202122760185.4U
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Chinese (zh)
Inventor
俞登科
冯衡
杨靖波
李正良
柯嘉
郭莹
吴海兵
唐正奇
黄佩
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Chongqing University
China Power Engineering Consultant Group Central Southern China Electric Power Design Institute Corp
Electric Power Planning and Engineering Institute Co Ltd
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Chongqing University
China Power Engineering Consultant Group Central Southern China Electric Power Design Institute Corp
Electric Power Planning and Engineering Institute Co Ltd
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Application filed by Chongqing University, China Power Engineering Consultant Group Central Southern China Electric Power Design Institute Corp, Electric Power Planning and Engineering Institute Co Ltd filed Critical Chongqing University
Priority to CN202122760185.4U priority Critical patent/CN216081413U/en
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Abstract

The embodiment of the application provides a measuring device, includes: the device comprises a mounting plate, a force application assembly and a measuring piece; the mounting plate comprises at least two sub-plates, the sub-plates are matched to form a mounting seat matched with the branch shape of the steel pipe to be tested, and the mounting seat is used for fixing the steel pipe to be tested; the force application assembly comprises a plurality of force application parts, a force application part is arranged on the first side of each sub-plate, each force application part is used for applying force to the branches of the steel pipe to be tested, and the second side of each sub-plate is provided with a measuring part for measuring the deformation of the branches; the first side is one side in the daughter board length direction, and the second side is one side in the daughter board width direction. The measuring part is used for measuring the deformation of the branches of the steel pipe to be measured under different force application conditions, so that the measuring precision is improved.

Description

Measuring device
Technical Field
The application relates to the technical field of tool materials, in particular to a measuring device.
Background
Due to the superiority of the steel pipe structure in mechanical, anti-corrosion performance and economic indexes, the steel pipe structure is widely applied to the current building structure, the research on the nodes between the steel pipes is more and more deep, and the K-type node connection form is one of the main connection forms.
At present, aiming at similar mechanical property tests of K-shaped nodes of steel pipes, most of the existing tests are tests for researching the ultimate bearing capacity of the K-shaped nodes, and the deformation of the steel pipes when the steel pipes are subjected to different pressures cannot be accurately measured.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a measuring device, can solve and measure the deflection of steel pipe under different atress circumstances, problem that the precision is low.
In order to solve the technical problem, the present application is implemented as follows:
the embodiment of the application provides a measuring device, includes: the device comprises a mounting plate, a force application assembly and a measuring piece;
the mounting plate comprises at least two sub-plates, the sub-plates are matched to form a mounting seat matched with the branch shape of the steel pipe to be tested, and the mounting seat is used for fixing the steel pipe to be tested;
the force application assembly comprises a plurality of force application parts, a force application part is arranged on the first side of each sub-plate, each force application part is used for applying force to the branches of the steel pipe to be tested, and the second side of each sub-plate is provided with a measuring part for measuring the deformation of the branches;
the first side is one side in the daughter board length direction, and the second side is one side in the daughter board width direction.
Optionally, the measuring device further includes a base, the measuring unit includes a support and a plurality of displacement meters disposed on the support, the support is disposed on the base, and each displacement meter points to the branch.
Optionally, the support includes a first sub-rod and a second sub-rod, the first sub-rod is disposed on the base, and the displacement meter is disposed on one end of the second sub-rod close to the branch;
the first sub-rod is provided with a first mounting hole, the second sub-rod is provided with a second mounting hole, and the second sub-rod is arranged on the first sub-rod through a bolt penetrating through the first mounting hole and the second mounting hole.
Optionally, a plurality of first mounting holes are uniformly formed in the first sub-rod, and a plurality of second mounting holes are uniformly formed in the second sub-rod.
Optionally, the base includes first supporting beam, the application of force subassembly includes first support, first support set up in on the first supporting beam, the first end of the first application of force piece among a plurality of application of force pieces set up in on the first support, the second end and the first daughter board butt of first application of force piece.
Optionally, the base still includes a second supporting beam, a second supporting beam with first supporting beam sets up relatively, the application of force subassembly includes the second support, the second support set up in on the second supporting beam, the first end of the second application of force piece among a plurality of application of force pieces with the second support rotates to be connected, the second end and the second daughter board butt of second application of force piece.
Optionally, the bracket further includes a third sub-rod and a limiting member disposed on the third sub-rod, the third sub-rod is disposed on the second support beam, and the limiting member is used to fix the second force application member.
Optionally, the force applying member is a jack.
Optionally, the base further includes two connecting beams, the two connecting beams are arranged oppositely, one end of each connecting beam is located on the first supporting beam, the other end of each connecting beam is located on the second supporting beam, and the two connecting beams, the first supporting beam and the second supporting beam enclose to form an accommodating cavity;
the accommodating cavity is used for accommodating the steel pipe to be tested.
Optionally, the first supporting beam, the second supporting beam and the two connecting beams are box-shaped steel beams.
In this application embodiment, on being fixed in the mount pad that is formed by each daughter board cooperatees with the steel pipe that awaits measuring, through set up application of force spare and measuring part respectively in the both sides of each daughter board, application of force spare is used for carrying out the application of force to the branch of steel pipe that awaits measuring, and measuring part is used for measuring the deflection of the branch of steel pipe that awaits measuring. In this way, the deformation of the branch of the steel pipe to be measured under different force application conditions is measured by the measuring piece, so that the measurement precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of a measurement apparatus according to an embodiment of the present application.
Detailed Description
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, but not all, embodiments of the present 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.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a measurement apparatus provided in the present application, the apparatus including: mounting plate, force application assembly 20 and measuring member 30;
the mounting plate comprises at least two sub-plates 11, the sub-plates 11 are matched to form a mounting seat matched with the branch shape of the steel pipe to be tested, and the mounting seat is used for fixing the steel pipe to be tested;
the force application assembly 20 comprises a plurality of force application members 21, a force application member 21 is arranged on a first side of each sub-plate 11, each force application member 21 is used for applying force to a branch of the steel pipe to be measured arranged on the sub-plate 11, and a measuring member 30 for measuring the deformation of the branch is arranged on a second side of each sub-plate 11;
the first side is one side of the daughter board 11 in the length direction, and the second side is one side of the daughter board 11 in the width direction.
In the embodiment of the present application, the steel pipe to be measured is fixed on the mounting base formed by matching the sub-boards 11, the force applying member 21 and the measuring member 30 are respectively disposed on two sides of each sub-board 11, the force applying member 21 is used for applying force to the branch of the steel pipe to be measured, and the measuring member 30 is used for measuring the deformation of the branch of the steel pipe to be measured. In this way, the measuring device 30 measures the amount of deformation of the branch of the steel pipe under test under different applied forces, thereby improving the measurement accuracy.
The mounting panel includes two at least daughter boards 11, wherein, the quantity of daughter board 11 is the same with the branch quantity of the steel pipe that awaits measuring, and each daughter board 11 forms the mount pad with the branch shape looks adaptation of the steel pipe that awaits measuring, the steel pipe that awaits measuring sets up on this mount pad, set up a application of force piece 21 and a measuring part 30 on every daughter board 11, every application of force piece 21 all sets up in the two sides mutually away from of daughter board 11 with its branch of the steel pipe that awaits measuring that awaits applying of force, and the central line of every application of force piece 21 all coincides with its central line of the branch of the steel pipe that awaits measuring of awaiting measuring the application of force, measuring part 30 is perpendicular with this central line. For example: when the steel pipe that awaits measuring is K type steel pipe, this steel pipe has three branch, and at this moment, the mounting panel includes three daughter board 11, and three daughter board 11 forms the mount pad with K type steel pipe looks adaptation, and force application subassembly 20 includes three application of force piece 21, and the quantity of measuring 30 also is three, and is concrete, all is provided with application of force piece 21 in length direction one side of three daughter board 11, all is provided with measuring 30 in width direction one side of three daughter board 11.
When the force applying member 21 continuously applies force to the branch of the steel pipe to be tested to which the force is applied, the branch of the steel pipe to be tested is deformed, and the measuring member 30 measures the radial deformation amount of the branch of the steel pipe to be tested. The force application can be pressure or tension, specifically, when the force applied by the force application member 21 is pressure, the corresponding branch is compressed, at this time, the pipe wall of the branch expands outward, and the measuring member 30 measures the distance of the outward expansion of the pipe wall at different pressure values; when a pulling force is applied by the force applying member 21, the branch of the steel pipe to be measured is stretched, and at this time, the pipe diameter of the branch becomes small, and the pipe wall becomes thin, and the measuring member 30 measures the distance that the pipe wall moves inward at different pulling force values. When the force exceeds the maximum bearing force of the branch, the branch is broken.
Optionally, the measuring device further includes a base 40, the measuring unit 30 includes a support 31 and a plurality of displacement meters disposed on the support 31, the support 31 is disposed on the base 40, and each displacement meter points to the branch.
Wherein, base 40 is this measuring device's fixed part, and support 31 sets up on base 40, and a plurality of displacement meters all are rather than the branch mutually perpendicular that awaits measuring, and when application of force spare 21 application of force, the branched pipe wall of atress moves towards the direction of keeping away from or being close to the displacement meter, and different displacement volume are corresponded to different atress circumstances to acquire the branched deflection of the steel pipe that awaits measuring. In addition, displacement meters are arranged at a plurality of positions of the branched pipe wall, so that the measurement accuracy is improved.
In an alternative embodiment, the bracket 31 is an L-shaped structure, and both ends of the L-shaped structure have mounting holes, one end of the L-shaped structure is fixed to the base 40 by bolts passing through the mounting holes, and the displacement gauge can be attracted to the other end of the L-shaped structure by a strong magnet.
In another alternative embodiment, the bracket 31 includes a first sub-rod 311 and a second sub-rod 312, the first sub-rod 311 is disposed on the base 40, and the displacement meter is disposed on the second sub-rod 312 near one end of the branch;
the first sub-rod 311 is provided with a first mounting hole, the second sub-rod 312 is provided with a second mounting hole, and the second sub-rod 312 is arranged on the first sub-rod 311 through a bolt penetrating through the first mounting hole and the second mounting hole.
The first sub-rod 311 can be fixed on the base 40 through a mounting plate, the second sub-rod 312 is fixedly connected with the first sub-rod 311 through a bolt penetrating through the second sub-rod 312 and the second sub-rod 312, the second sub-rod 312 is perpendicular to the branch of the steel pipe to be measured, the displacement meter can be adsorbed on the second sub-rod 312 through a strong magnet and is close to the branch of the steel pipe to be measured, and therefore the deformation of the branch can be measured.
In this embodiment, by providing the first sub-rod 311 and the second sub-rod 312, the displacement meter provided on the second sub-rod 312 can be adjusted according to the shape of the steel pipe to be measured, so that the displacement meter is perpendicular to the branch, and the measurement accuracy is improved.
Optionally, a plurality of first mounting holes are uniformly formed in the first sub-rod 311.
The plurality of first mounting holes are uniformly arranged along the length direction of the first sub-rod 311, and the position and the angle of the second sub-rod 312 on the first sub-rod 311 can be adjusted according to the shape and the angle of the steel pipe to be measured, so that the second sub-rod 312 is perpendicular to the branches of the steel pipe to be measured. In addition, the number of the second sub-rods 312 is multiple, the second sub-rods 312 are all fixed on the first sub-rod 311 through the first mounting holes, each second sub-rod 312 is provided with a displacement meter, and the deformation of the branch of the steel pipe to be measured is measured by the displacement meters, so that the measurement precision is improved.
Optionally, the base 40 includes a first support beam 41, the force application assembly 20 includes a first support 22, the first support 22 is disposed on the first support beam 41, a first end of a first force application member 21 of the plurality of force application members 21 is disposed on the first support 22, and a second end of the first force application member 21 abuts against the first sub-board 11.
The first support 22 includes a bottom plate and a vertical plate vertically disposed on the bottom plate, the bottom plate is fixed on the first support beam 41, a mounting hole is disposed on the vertical plate, and the first force application member 21 is fixed on the first support 22 through the mounting hole.
Optionally, the base 40 further includes a second supporting beam 42, the second supporting beam 42 is opposite to the first supporting beam 41, the force application assembly 20 includes a second support 23, the second support 23 is disposed on the second supporting beam 42, a first end of a second force application member 21 of the plurality of force application members 21 is rotatably connected to the second support 23, and a second end of the second force application member 21 abuts against the second sub-board 11.
The second support 23 has an opening, and the second support 23 further has a mounting hole communicated with the opening, the second force application member 21 is disposed in the opening, and is rotatably connected with the second support 23 through a rotating shaft penetrating through the second force application member 21 and the mounting hole, specifically, the second support 23 includes a bottom plate and two vertical plates disposed on the bottom plate, the two vertical plates are parallel to each other and perpendicular to the bottom plate, and the bottom plate is fixed on the second support beam 42.
In this embodiment, by arranging the second force application member 21 to be rotatably connected to the second support 23, the second force application member 21 can be adjusted according to the shape and angle of the different steel pipe to be tested, so that the center line of the second force application member 21 coincides with the center line of the branch to be applied with force, and the branch is uniformly stressed.
Optionally, the bracket 31 further includes a third sub-rod 313 and a limiting member disposed on the third sub-rod 313, the third sub-rod 313 is disposed on the second supporting beam 42, and the limiting member is used to fix the second force application member 21.
In this embodiment, the angle of the second force application member 21 on the second support 23 is adjusted according to the angle of different steel pipes to be tested, and the second force application member 21 is fixed by the limiting member, so that the second force application member 21 coincides with the center line of the branch to be applied with force.
The number of the third sub-bars 313 may be two, the two third sub-bars 313 are disposed on the second support beam 42, the second force applying component 21 is located between the two third sub-bars 313, and the third sub-bars 313 are uniformly provided with a plurality of mounting holes, the limiting component may be two fourth sub-bars penetrating through the mounting holes to connect the two third sub-bars 313, the two fourth sub-bars and the two third sub-bars 313 form a channel, and the second force applying component 21 passes through the channel to abut against the second sub-plate 11.
Optionally, the force applying member 21 is a jack.
In this embodiment, the force application member 21 is set as a jack, and the jack may have a pressure gauge, so that the force application of the jack can be monitored in real time.
Optionally, the base 40 further includes two connecting beams, the two connecting beams are disposed oppositely, one end of each connecting beam is located on the first supporting beam 41, the other end of each connecting beam is located on the second supporting beam 42, and the two connecting beams, the first supporting beam 41 and the second supporting beam 42 enclose to form a frame;
the frame body is used for placing the steel pipe to be tested.
Wherein, mounting panel, application of force subassembly 20 and measuring part 30 all are located this framework, through setting up this framework, realize the static self-balancing in the framework.
Optionally, the first supporting beam 41, the second supporting beam 42, and the two connecting beams are box-shaped steel beams, wherein the cross section of each box-shaped steel beam is box-shaped, and the torsional rigidity of the cross section of each box-shaped steel beam is high, so that the device has sufficient rigidity by using the base 40 formed by the box-shaped steel beams.
While the present embodiments have been described with reference to the accompanying drawings, the present embodiments are not limited to the above-described embodiments, which are merely illustrative and not restrictive, and it will be apparent to those of ordinary skill in the art that many more modifications and variations can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A measuring device, comprising: the device comprises a mounting plate, a force application assembly and a measuring piece;
the mounting plate comprises at least two sub-plates, the sub-plates are matched to form a mounting seat matched with the branch shape of the steel pipe to be tested, and the mounting seat is used for fixing the steel pipe to be tested;
the force application assembly comprises a plurality of force application parts, a force application part is arranged on the first side of each sub-plate, each force application part is used for applying force to the branches of the steel pipe to be tested, and the second side of each sub-plate is provided with a measuring part for measuring the deformation of the branches;
the first side is one side in the daughter board length direction, and the second side is one side in the daughter board width direction.
2. The measuring device of claim 1, further comprising a base, wherein the measuring member comprises a support and a plurality of displacement gauges disposed on the support, the support being disposed on the base, each displacement gauge being directed toward the branch.
3. The measuring device of claim 2, wherein the support comprises a first sub-rod and a second sub-rod, the first sub-rod being disposed on the base, the displacement gauge being disposed on the second sub-rod proximate an end of the branch;
the first sub-rod is provided with a first mounting hole, the second sub-rod is provided with a second mounting hole, and the second sub-rod is arranged on the first sub-rod through a bolt penetrating through the first mounting hole and the second mounting hole.
4. The measuring device of claim 3, wherein the first sub-rod is uniformly provided with a plurality of first mounting holes, and the second sub-rod is uniformly provided with a plurality of second mounting holes.
5. The measurement device of claim 2, wherein the base includes a first support beam, the force application assembly includes a first support disposed on the first support beam, a first end of a first force application member of the plurality of force application members is disposed on the first support, and a second end of the first force application member abuts the first sub-board.
6. The measuring device of claim 5, wherein the base further comprises a second support beam disposed opposite the first support beam, the force applying assembly comprises a second support disposed on the second support beam, a first end of a second force applying member of the plurality of force applying members is rotatably connected to the second support, and a second end of the second force applying member abuts against the second sub-plate.
7. The measuring apparatus according to claim 6, wherein the bracket further comprises a third sub-rod and a limiting member disposed on the third sub-rod, the third sub-rod is disposed on the second support beam, and the limiting member is used to fix the second force application member.
8. A measuring device according to claim 1, wherein the force applying member is a jack.
9. The measuring device of claim 6, wherein the base further comprises two connecting beams, the two connecting beams are disposed opposite to each other, one end of each connecting beam is located on the first supporting beam, the other end of each connecting beam is located on the second supporting beam, and the two connecting beams, the first supporting beam and the second supporting beam enclose and form a containing cavity;
the accommodating cavity is used for accommodating the steel pipe to be tested.
10. The measuring device of claim 9, wherein the first support beam, the second support beam, and both of the connecting beams are box-type steel beams.
CN202122760185.4U 2021-11-11 2021-11-11 Measuring device Active CN216081413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122760185.4U CN216081413U (en) 2021-11-11 2021-11-11 Measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122760185.4U CN216081413U (en) 2021-11-11 2021-11-11 Measuring device

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CN216081413U true CN216081413U (en) 2022-03-18

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CN202122760185.4U Active CN216081413U (en) 2021-11-11 2021-11-11 Measuring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116929912A (en) * 2023-07-24 2023-10-24 天津大学 Detection device and detection method for node detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116929912A (en) * 2023-07-24 2023-10-24 天津大学 Detection device and detection method for node detection

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