CN219694412U - Force measuring bolt hoop - Google Patents
Force measuring bolt hoop Download PDFInfo
- Publication number
- CN219694412U CN219694412U CN202321138800.0U CN202321138800U CN219694412U CN 219694412 U CN219694412 U CN 219694412U CN 202321138800 U CN202321138800 U CN 202321138800U CN 219694412 U CN219694412 U CN 219694412U
- Authority
- CN
- China
- Prior art keywords
- lantern ring
- rubber sleeve
- heat insulation
- electrically connected
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 33
- 210000002268 wool Anatomy 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a force measuring bolt hoop, which comprises an induction mechanism, wherein the induction mechanism comprises a lantern ring, a wire is embedded in the lantern ring, a plurality of sensitive elements are electrically connected to the wire, the sensitive elements are positioned in the lantern ring, an insulating protection component is wrapped outside the wire, and a heat insulation component is wrapped outside the sensitive elements; the connecting component is arranged on the outer wall of the lantern ring; and one side of the lantern ring is provided with a measurement display assembly, and the measurement display assembly is electrically connected with two ends of the lead through a connecting assembly. The utility model can avoid damaging the bolt body, improves the measuring convenience and is convenient for repeated use.
Description
Technical Field
The utility model relates to the technical field of bolt stress testing devices, in particular to a force measuring bolt hoop.
Background
The bolt is a commonly used fastener, is commonly used for connecting workpieces together to complete the assembly of the workpieces, and is commonly subjected to pressure in the assembled workpieces, so that the basis is provided for the design selection of subsequent devices, the assembly process parameters and the like, and the quantitative measurement of the pressure to which the bolt is subjected is required.
When a traditional bolt is stressed, a strain gauge is usually stuck on the surface of the bolt or stuck inside the bolt, and is connected through a Wheatstone bridge, and then the stress measurement is carried out, but the method needs to destroy the bolt body to carry out the measurement, and the measurement is inconvenient.
For this purpose, a force bolt collar is proposed.
Disclosure of Invention
The utility model aims to provide a force measuring bolt hoop which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a force measuring bolt hoop, which comprises an induction mechanism, wherein the induction mechanism comprises:
the wire is electrically connected with a plurality of sensitive elements, the sensitive elements are positioned in the collar, the wire is wrapped with an insulating protection assembly, and the sensitive elements are wrapped with a heat insulation assembly;
the connecting component is arranged on the outer wall of the lantern ring;
and one side of the lantern ring is provided with the measurement display assembly, and the measurement display assembly is electrically connected with two ends of the lead through the connecting assembly.
Preferably, the measurement display assembly comprises an A/D converter, a singlechip, a power supply and a data display screen which are electrically connected in sequence, wherein plugs are electrically connected to the A/D converter and the data display screen, and the two plugs are respectively and electrically connected with two ends of the lead through the connecting assembly.
Preferably, the connecting assembly comprises two sockets, the two sockets are fixedly connected to the outer wall of the lantern ring, jacks are formed in the sockets, two ends of the wire penetrate through the lantern ring and are fixedly connected in the jacks, the plug is in threaded connection with the jacks, and the two plugs are respectively abutted to two ends of the wire.
Preferably, a second cavity and a plurality of first cavities are formed in the lantern ring, and the plurality of first cavities are communicated with the second cavity; the heat insulation assemblies are respectively arranged in the first cavities; the insulating shield assembly is mounted within the second cavity.
Preferably, the heat insulation assembly comprises a heat insulation pad, the heat insulation pad is wrapped outside the sensitive element, the heat insulation pad is fixedly installed in the first cavity, mounting holes are formed in two sides of the heat insulation pad, and the wires penetrate through the mounting holes and are electrically connected with the sensitive element.
Preferably, the insulation protection component comprises a first rubber sleeve, the first rubber sleeve is fixedly installed in the second cavity, a second rubber sleeve is sleeved in the first rubber sleeve, a corrugated pipe is fixedly connected between the first rubber sleeve and the second rubber sleeve, and the second rubber sleeve is wrapped outside the wire.
Preferably, pearl wool is filled between the corrugated pipe and the second rubber sleeve and between the corrugated pipe and the first rubber sleeve.
Preferably, the sensing element is a force sensing resistor.
The utility model discloses the following technical effects: the sleeve ring is sleeved outside the bolt, the nut is screwed into the bolt, the sleeve ring is located between the nut and the nut of the bolt, the sensing mechanism is electrically connected with the measurement display assembly through the connecting assembly, when the bolt receives axial acting force, the acting force is transmitted to the sleeve ring by the bolt, the sensitive element in the sleeve ring senses the acting force, the resistance of the sensitive element is increased along with the increase of pressure, the resistance value is measured and displayed by the measurement display assembly through the lead, the stress measurement of the bolt is realized, the damage to the bolt body can be avoided, the influence on the performance of the bolt body is reduced, the measurement method is simple, time and labor are saved, the measurement convenience is improved, and meanwhile, the sleeve ring can be sleeved outside different bolts to carry out stress measurement, and the repeated use is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of an insulation protection assembly according to the present utility model;
fig. 4 is a schematic view of the installation position of the present utility model.
In the figure: 1. a collar; 2. a second cavity; 3. a first cavity; 4. a sensor; 5. a wire; 6. a socket; 7. a jack; 8. a plug; 9. an A/D converter; 10. a single chip microcomputer; 11. a power supply; 12. a data display screen; 13. a heat insulating mat; 14. a first rubber sleeve; 15. a second rubber sleeve; 16. a bolt; 17. a corrugated tube; 18. pearl cotton.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the present utility model provides a load bolt cuff comprising:
the induction mechanism comprises a lantern ring 1, a wire 5 is embedded in the lantern ring 1, a plurality of sensitive elements 4 are electrically connected to the wire 5, the sensitive elements 4 are positioned in the lantern ring 1, an insulating protection assembly is wrapped outside the wire 5, and a heat insulation assembly is wrapped outside the sensitive elements 4;
the inner and outer diameters of collar 1 may be defined according to the size of bolt 16; the heat insulation assembly protects the sensitive element 4, reduces the influence of external factors such as temperature, greasy dirt, humidity and the like on a measurement result, improves measurement accuracy, can avoid electric leakage of the lead 5, protects the lead 5, prevents excessive extrusion, and increases durability and durability;
the connecting component is arranged on the outer wall of the lantern ring 1;
the measuring display assembly is arranged on one side of the lantern ring 1 and is electrically connected with two ends of the lead 5 through the connecting assembly;
when the measuring device is used, the sleeve ring 1 can be screwed at a connecting hole (not shown in the figure) of a workpiece to be connected with the bolt 16, then the bolt 16 is inserted into the sleeve ring 1, and then a nut screwed on the bolt 16 is screwed, so that the sleeve ring 1 is positioned between a nut and a nut of the bolt 16, the sensing mechanism is electrically connected with the measuring display assembly through the connecting assembly, when the bolt 16 receives axial acting force, the bolt 16 transmits the acting force to the sleeve ring 1, the sensitive element 4 in the sleeve ring 1 receives the acting force, the resistance of the sensitive element 4 becomes larger along with the pressure, the resistance value is measured and displayed by the measuring display assembly through the lead 5, the stress measurement of the bolt 16 is realized, the damage to the body of the bolt 16 can be avoided, the influence on the performance of the body of the bolt 16 is reduced, the measuring method is simple, time and labor are saved, the measuring convenience is improved, and meanwhile, the sleeve ring 1 can be sleeved outside different bolts 16 to perform the stress measurement, and the repeated use is convenient.
In a further optimized scheme, the measurement display assembly comprises an A/D converter 9, a singlechip 10, a power supply 11 and a data display screen 12 which are electrically connected in sequence, wherein plugs 8 are electrically connected to the A/D converter 9 and the data display screen 12, and the two plugs 8 are respectively and electrically connected with two ends of a lead 5 through a connecting assembly;
in this embodiment, the type of the a/D converter 9 is DAC0809, the type of the single-chip microcomputer 10 is STM32WL, the type of the data display 12 is LCD12684 liquid crystal display, the a/D converter 9 and the single-chip microcomputer 10 measure the resistance value of the sensing element 4, convert the resistance signal into a pressure value, and finally display the pressure value through the data display 12, and the specific working principle is the prior art and will not be described herein.
In a further optimized scheme, the connecting assembly comprises two sockets 6, the two sockets 6 are fixedly connected to the outer wall of the lantern ring 1, insertion holes 7 are formed in the sockets 6, two ends of a wire 5 penetrate through the lantern ring 1 and are fixedly connected in the insertion holes 7, a plug 8 is in threaded connection with the insertion holes 7, and the two plugs 8 are respectively abutted with two ends of the wire 5;
the two sockets 6 are fixed on the outer wall of the lantern ring 1 through adhesive.
In a further optimization scheme, a second cavity 2 and a plurality of first cavities 3 are formed in the lantern ring 1, and the plurality of first cavities 3 are communicated with the second cavity 2; a plurality of heat insulation components are respectively arranged in a plurality of first cavities 3; the insulating protective component is mounted in the second cavity 2.
In a further optimized scheme, the heat insulation assembly comprises a heat insulation pad 13, the heat insulation pad 13 is wrapped outside the sensitive element 4, the heat insulation pad 13 is fixedly arranged in the first cavity 3, mounting holes are formed in two sides of the heat insulation pad 13, and the lead 5 penetrates through the mounting holes and is electrically connected with the sensitive element 4;
in the embodiment, the heat insulation pad 13 is a silicone rubber pad, so that the sensitive element 4 is protected, and the influence of external factors such as temperature, greasy dirt, humidity and the like on measurement is reduced; the heat insulation pad 13 is fixedly connected in the first cavity 3 through an adhesive.
In a further optimized scheme, the insulation protection assembly comprises a first rubber sleeve 14, the first rubber sleeve 14 is fixedly arranged in the second cavity 2, a second rubber sleeve 15 is sleeved in the first rubber sleeve 14, a corrugated pipe 17 is fixedly connected between the first rubber sleeve 14 and the second rubber sleeve 15, and the second rubber sleeve 15 is wrapped outside the lead 5;
the first rubber sleeve 14 and the second rubber sleeve 15 are both silicon rubber protective sleeves, a flexible protective layer is formed, the corrugated pipe 17 supports between the first rubber sleeve 14 and the second rubber sleeve 15, the thickness of the protective layer can be increased, the buffer space is increased, and the protective capability to the lead 5 is improved.
In a further optimized scheme, pearl wool 18 is filled between the corrugated pipe 17 and the second rubber sleeve 15 and between the corrugated pipe 17 and the first rubber sleeve 14; the pearl wool 18 not only increases the water-proof and moisture-proof performance, but also further strengthens the supporting strength of the corrugated pipe 17, improves the protection of the lead 5 and improves the durability of the lead 5.
Further optimizing scheme, the sensing element 4 is a force sensing resistor.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. A load bolt cuff, comprising:
the induction mechanism comprises a lantern ring (1), a wire (5) is embedded in the lantern ring (1), a plurality of sensitive elements (4) are electrically connected to the wire (5), the sensitive elements (4) are positioned in the lantern ring (1), an insulation protection assembly is wrapped outside the wire (5), and a heat insulation assembly is wrapped outside the sensitive elements (4);
the connecting component is arranged on the outer wall of the lantern ring (1);
and one side of the lantern ring (1) is provided with the measurement display assembly, and the measurement display assembly is electrically connected with two ends of the lead (5) through the connecting assembly.
2. The load bolt cuff of claim 1, wherein: the measuring display assembly comprises an A/D converter (9), a singlechip (10), a power supply (11) and a data display screen (12) which are electrically connected in sequence, wherein plugs (8) are electrically connected to the A/D converter (9) and the data display screen (12), and the two plugs (8) are respectively and electrically connected with two ends of the lead (5) through the connecting assembly.
3. The load bolt cuff of claim 2, wherein: the connecting assembly comprises two sockets (6), the two sockets (6) are fixedly connected to the outer wall of the lantern ring (1), jacks (7) are formed in the sockets (6), two ends of the conducting wire (5) penetrate through the lantern ring (1) and are fixedly connected to the jacks (7), the plug (8) is in threaded connection with the jacks (7), and the two plugs (8) are respectively in butt joint with two ends of the conducting wire (5).
4. The load bolt cuff of claim 1, wherein: a second cavity (2) and a plurality of first cavities (3) are formed in the lantern ring (1), and the first cavities (3) are communicated with the second cavity (2); the heat insulation assemblies are respectively arranged in the first cavities (3); the insulating protection component is arranged in the second cavity (2).
5. The load bolt cuff of claim 4, wherein: the heat insulation assembly comprises a heat insulation pad (13), the heat insulation pad (13) is wrapped outside the sensitive element (4), the heat insulation pad (13) is fixedly installed in the first cavity (3), mounting holes are formed in two sides of the heat insulation pad (13), and the lead wires (5) penetrate through the mounting holes and are electrically connected with the sensitive element (4).
6. The load bolt cuff of claim 4, wherein: the insulation protection assembly comprises a first rubber sleeve (14), the first rubber sleeve (14) is fixedly installed in the second cavity (2), a second rubber sleeve (15) is sleeved in the first rubber sleeve (14), a corrugated pipe (17) is fixedly connected between the first rubber sleeve (14) and the second rubber sleeve (15), and the second rubber sleeve (15) is wrapped outside the conducting wire (5).
7. The load bolt cuff of claim 6, wherein: pearl wool (18) is filled between the corrugated pipe (17) and the second rubber sleeve (15) and between the corrugated pipe (17) and the first rubber sleeve (14).
8. The load bolt cuff of claim 1, wherein: the sensitive element (4) is a force sensitive resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321138800.0U CN219694412U (en) | 2023-05-12 | 2023-05-12 | Force measuring bolt hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321138800.0U CN219694412U (en) | 2023-05-12 | 2023-05-12 | Force measuring bolt hoop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694412U true CN219694412U (en) | 2023-09-15 |
Family
ID=87944957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321138800.0U Active CN219694412U (en) | 2023-05-12 | 2023-05-12 | Force measuring bolt hoop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694412U (en) |
-
2023
- 2023-05-12 CN CN202321138800.0U patent/CN219694412U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |