CN211503997U - Steel construction stress strain detection device - Google Patents
Steel construction stress strain detection device Download PDFInfo
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- CN211503997U CN211503997U CN202020335132.0U CN202020335132U CN211503997U CN 211503997 U CN211503997 U CN 211503997U CN 202020335132 U CN202020335132 U CN 202020335132U CN 211503997 U CN211503997 U CN 211503997U
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Abstract
The utility model discloses a steel construction stress strain detection device, including device shell, device bottom plate, apron, wire hole, baffle, bridge circuit, galvanometer, battery, the interface that charges, shift knob, connecting wire, mount pad, resistance foil gage, wire jack, fastening bolt, spread groove, fixed bandage, perforation and fastening belt. The utility model has the advantages that: the line body of connecting wire is the elasticity heliciform, make the adjustable length of connecting wire, and then can stretch according to actual measuring environment, resistance strain gauge's connecting wire is detachable the connection through ann in the wire jack with the mount pad, be convenient for change resistance strain gauge, and then can conveniently detect, save time, it all is provided with two to perforate and fastening area, and be the one-to-one setting, can make the fastening area pass and perforate, and then fix this detection device on the steel construction, applicable steel construction in equidimension not uses.
Description
Technical Field
The utility model relates to a strain detection device specifically is a steel construction stress strain detection device, belongs to check out test set technical field.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, stress of the steel structure can be changed along with the beam steel, the steel columns, the steel trusses and other members when the steel structure is cut, loaded or welded, and strain detection is often needed to determine whether the stress is generated in order to ensure whether the steel structure generates stress change.
And to current device that is used for stress strain to detect, one of them, during the use, be not convenient for fix the device on the steel construction, consequently often need use fixed band winding such as sticky tape fixed, comparatively inconvenient during the use, its two, be not convenient for with fix the resistance foil gage on the steel construction and be connected, because of resistance foil gage belongs to disposable, consequently can change often, and comparatively waste time and energy when connecting resistance foil gage, influence the progress that detects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel construction stress strain detection device just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a steel structure stress-strain detection device comprises a device shell, a device bottom plate, a cover plate, wire outlet holes, a partition plate, a bridge circuit, a galvanometer, a storage battery, a charging interface, a switch button, a connecting wire, a mounting seat, a resistance strain gauge, a wire jack, a fastening bolt, a connecting groove, a fixing bandage, a perforation and a fastening belt; the device shell and the device bottom plate form a shell structure of the detection device, the device bottom plate is arranged at the bottom end of the device shell, the cover plate is connected to the upper plate face of the device shell through a rotating shaft, a wire outlet hole is formed in the middle of the top end of the front side edge of the device shell, the clapboard is fixedly clamped in the device shell, the clapboard divides the interior of the device shell into a detection area and a wire receiving area, the bridge circuit, the galvanometer, the storage battery and a charging interface are arranged in the detection area of the device shell, the bridge circuit, the galvanometer and the storage battery are all fixed on the device bottom plate, two ends of the bridge circuit are electrically connected with the galvanometer through wires, an observation display screen of the galvanometer is clamped in a through groove formed in the upper plate face of the device shell, and the other two ends of the bridge circuit are electrically connected with the storage battery through wires with switch buttons, the charging end of the storage battery is electrically connected with a charging interface fixed on the rear side edge of the device shell, the switch button is fixedly arranged in a through hole formed in the upper plate surface of the device shell, the connecting wire and the mounting seat are both arranged in a wire collecting area of the device shell, one end of the connecting wire is connected to one of the bridge arms of the bridge circuit, the other end of the connecting wire is connected with the mounting seat, the mounting seat drives the connecting wire to penetrate through a wire outlet hole and then fixedly arranged with the resistance strain gauge, the resistance strain gauge is fixed on the surface of a steel structure through gluing, a wire jack is formed in the mounting seat, a fastening bolt is arranged right above the wire jack in the mounting seat, the connecting grooves are respectively formed in the left side edge and the right side edge of the device shell, fixed bandages are fixedly connected in the connecting grooves, and a perforation is formed in one of, and a fastening belt is connected to the other fixing bandage.
Preferably, in order to facilitate disassembly and maintenance and improve the sealing performance of the joint, the device bottom plate is detachably connected with the device shell through being clamped at the bottom end of the device shell, and a sealing gasket is arranged at the joint of the device bottom plate and the device shell.
Preferably, in order to be better attached to the surface of a steel structure, an insulating rubber cushion is bonded to the lower surface of the device bottom plate.
Preferably, in order to make the length of the connection line adjustable, the body of the connection line is in an elastic spiral shape.
Preferably, in order to facilitate replacement of the resistance strain gauge, the connecting wire of the resistance strain gauge is detachably connected with the mounting seat by being inserted into the wire insertion hole.
Preferably, in order to fix this detection device on the steel construction for the convenience, it all is provided with two to perforate and fastening area, and is the one-to-one setting.
The utility model has the advantages that: the steel structure stress strain detection device has reasonable design, the device bottom plate is detachably connected with the device shell at the bottom end of the device shell through a clamp, a sealing washer is arranged at the joint of the device bottom plate and the device shell, the disassembly, the maintenance and the assembly are convenient, the sealing performance of the joint is improved, an insulating rubber cushion is bonded on the lower surface of the device bottom plate, the device bottom plate can be well attached to the surface of a steel structure, and has an insulating effect at the same time, the wire body of the connecting wire is in an elastic spiral shape, the length of the connecting wire can be adjusted, the connecting wire can be stretched according to the actual detection environment, the connecting wire of the resistance strain gauge is detachably connected with the mounting seat through being inserted into the wire insertion hole, the resistance strain gauge is convenient to replace, the detection can be convenient, the time is saved, two perforating belts and two fastening belts are arranged in a one-to-one correspondence, and then fix this detection device on the steel construction, applicable steel construction in equidimension not uses.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the fixing bandage of the present invention;
fig. 4 is a schematic structural diagram of the mounting seat of the present invention.
In the figure: 1. device shell, 2, device bottom plate, 3, apron, 4, wire hole, 5, baffle, 6, bridge circuit, 7, galvanometer, 8, battery, 9, the interface that charges, 10, shift knob, 11, connecting wire, 12, mount pad, 13, resistance foil gage, 14, wire jack, 15, fastening bolt, 16, spread groove, 17, fixed bandage, 18, perforation and 19, fastening band.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a steel structure stress-strain detection device includes a device housing 1, a device base plate 2, a cover plate 3, a wire outlet hole 4, a partition plate 5, a bridge circuit 6, a galvanometer 7, a storage battery 8, a charging interface 9, a switch button 10, a connection wire 11, a mounting base 12, a resistance strain gauge 13, a wire insertion hole 14, a fastening bolt 15, a connection groove 16, a fixing bandage 17, a through hole 18 and a fastening tape 19; the device shell 1 and the device bottom plate 2 form a shell structure of the detection device, the device bottom plate 2 is clamped at the bottom end of the device shell 1, the cover plate 3 is connected with the upper plate surface of the device shell 1 through a rotating shaft, the middle part of the top end of the front side edge of the device shell 1 is provided with a wire outlet 4, the clapboard 5 is fixedly clamped in the device shell 1, the clapboard 5 divides the interior of the device shell 1 into a detection area and a wire receiving area, the bridge circuit 6, the galvanometer 7, the storage battery 8 and the charging interface 9 are arranged in the detection area of the device shell 1, the bridge circuit 6, the galvanometer 7 and the storage battery 8 are all fixed on the device bottom plate 2, two ends of the bridge circuit 6 are electrically connected with the galvanometer 7 through leads, and an observation display screen of the galvanometer 7 is clamped in a through groove formed in the plate surface of the device shell 1, the other two ends of the bridge circuit 6 are electrically connected with a storage battery 8 through a lead with a switch button 10, the charging end of the storage battery 8 is electrically connected with a charging interface 9 fixed on the rear side edge of the device shell 1, the switch button 10 is fixedly installed in a through hole formed in the upper plate surface of the device shell 1, the connecting wire 11 and the mounting seat 12 are both arranged in a wire take-up area of the device shell 1, one end of the connecting wire 11 is connected to one of the bridge arms of the bridge circuit 6, the other end of the connecting wire 11 is connected with the mounting seat 12, the mounting seat 12 drives the connecting wire 11 to pass through the wire outlet hole 4 and then to be fixedly installed with the resistance strain gauge 13, the resistance strain gauge 13 is fixed on the surface of a steel structure through gluing, the mounting seat 12 is provided with a lead jack 14, and the mounting seat 12 is provided with a fastening bolt 15 right above the lead jack, the connecting groove 16 is respectively arranged on the left side and the right side of the device shell 1, a fixing bandage 17 is fixedly connected in the connecting groove 16, a through hole 18 is formed in one fixing bandage 17, and a fastening belt 19 is connected to the other fixing bandage 17.
The device bottom plate 2 is detachably connected with the device shell 1 at the bottom of the device shell 1 through a clamp, a sealing washer is arranged at the joint of the device bottom plate 2 and the device shell 1, the disassembly, maintenance and assembly are convenient, the sealing performance of the joint is improved, an insulating rubber cushion is bonded on the lower surface of the device bottom plate 2, the device bottom plate can be well attached to the surface of a steel structure, and has an insulating effect at the same time, the wire body of the connecting wire 11 is in an elastic spiral shape, the length of the connecting wire 11 is adjustable, and further the connecting wire can be stretched according to the actual detection environment, the connecting wire of the resistance strain gauge 13 is detachably connected with the mounting seat 12 through being inserted into the wire insertion hole 14, the resistance strain gauge 13 is convenient to replace, the detection can be conveniently carried out, the time is saved, two through holes 18 and two fastening belts 19 are arranged in a one-to-, the fastening belt 19 can penetrate through the through hole 18, and the detection device is fixed on a steel structure and can be suitable for steel structures with different sizes.
The working principle is as follows: when the steel structure stress-strain detection device is used, the detection device is firstly fixed on a steel structure after a fastening belt 19 on two side fixing bandages 17 passes through a through hole 18, a resistance strain gauge 13 is attached to a position to be detected, then a cover plate 3 is opened to take out a connecting wire 11, a mounting seat 12 connected with the front end of the connecting wire 11 is connected with a connecting wire of the resistance strain gauge 13, after a power supply is switched on, if stress strain occurs, the resistance value of the resistance strain gauge 13 changes, the resistance of a bridge circuit 6 is further changed, and the numerical value of a galvanometer 7 is changed accordingly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a steel construction stress strain detection device which characterized in that: the device comprises a device shell (1), a device bottom plate (2), a cover plate (3), wire outlet holes (4), a partition plate (5), a bridge circuit (6), a galvanometer (7), a storage battery (8), a charging interface (9), a switch button (10), a connecting wire (11), a mounting seat (12), a resistance strain gauge (13), a wire jack (14), a fastening bolt (15), a connecting groove (16), a fixing bandage (17), a perforation (18) and a fastening belt (19); the device shell (1) and the device bottom plate (2) form a shell structure of the detection device, the device bottom plate (2) is clamped at the bottom end of the device shell (1), the cover plate (3) is connected to the upper plate surface of the device shell (1) through a rotating shaft, a wire outlet (4) is formed in the middle of the top end of the front side edge of the device shell (1), the partition plate (5) is fixedly clamped in the device shell (1), the partition plate (5) divides the interior of the device shell (1) into a detection area and a wire receiving area, the bridge circuit (6), the galvanometer (7), the storage battery (8) and the charging interface (9) are arranged in the detection area of the device shell (1), the bridge circuit (6), the galvanometer (7) and the storage battery (8) are all fixed on the device bottom plate (2), and two ends of the bridge circuit (6) are electrically connected with the galvanometer (7) through wires, the observation display screen of the galvanometer (7) is clamped in a through groove formed in the upper plate surface of the device shell (1), the other two ends of the bridge circuit (6) are electrically connected with the storage battery (8) through a lead with a switch button (10), the charging end of the storage battery (8) is electrically connected with a charging interface (9) fixed on the rear side edge of the device shell (1), the switch button (10) is fixedly arranged in a through hole formed in the upper plate surface of the device shell (1), the connecting wire (11) and the mounting seat (12) are both arranged in a wire collecting area of the device shell (1), one end of the connecting wire (11) is connected to one bridge arm of the bridge circuit (6), the other end of the connecting wire (11) is connected with the mounting seat (12), the mounting seat (12) drives the connecting wire (11) to pass through the wire outlet hole (4) and then to be fixedly mounted with the resistance strain gauge (13), resistance foil gage (13) are fixed on the steel construction surface through the gluing, wire jack (14) have been seted up on mount pad (12), just mount pad (12) are provided with fastening bolt (15) directly over wire jack (14), set up respectively on the both sides edge of controlling of device shell (1) spread groove (16), just fixedly connected with fixed bandage (17) in spread groove (16), one of them seted up perforation (18) on fixed bandage (17), another be connected with fastening band (19) on fixed bandage (17).
2. The steel structure stress-strain detection device of claim 1, wherein: the device bottom plate (2) is detachably connected with the device shell (1) through being clamped at the bottom end of the device shell (1).
3. The steel structure stress-strain detection device of claim 1, wherein: the lower surface of the device bottom plate (2) is bonded with an insulating rubber soft pad.
4. The steel structure stress-strain detection device of claim 1, wherein: the wire body of the connecting wire (11) is in an elastic spiral shape.
5. The steel structure stress-strain detection device of claim 1, wherein: the connecting lead of the resistance strain gauge (13) is detachably connected with the mounting seat (12) by being inserted into the lead jack (14).
6. The steel structure stress-strain detection device of claim 1, wherein: the through holes (18) and the fastening belts (19) are arranged in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335132.0U CN211503997U (en) | 2020-03-17 | 2020-03-17 | Steel construction stress strain detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020335132.0U CN211503997U (en) | 2020-03-17 | 2020-03-17 | Steel construction stress strain detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503997U true CN211503997U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020335132.0U Active CN211503997U (en) | 2020-03-17 | 2020-03-17 | Steel construction stress strain detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211503997U (en) |
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2020
- 2020-03-17 CN CN202020335132.0U patent/CN211503997U/en active Active
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