CN221302581U - Bolt pretightening force monitoring device - Google Patents
Bolt pretightening force monitoring device Download PDFInfo
- Publication number
- CN221302581U CN221302581U CN202323448051.4U CN202323448051U CN221302581U CN 221302581 U CN221302581 U CN 221302581U CN 202323448051 U CN202323448051 U CN 202323448051U CN 221302581 U CN221302581 U CN 221302581U
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- Prior art keywords
- bolt
- nut
- connecting piece
- fixed
- monitoring device
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000005389 magnetism Effects 0.000 claims description 14
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a bolt pretightening force monitoring device, which relates to the technical field of bolt pretightening force monitoring and comprises: a bolt; the nut is in threaded connection with the outer side of the bolt; the bolt connecting piece is in threaded connection with the outer side of the bolt; the nut connecting piece is fixed on the outer side of the nut; the two ends of the sensor are respectively connected with the bolt connecting piece and the nut connecting piece; the adsorption piece is inlaid in the bolt connecting piece and sleeved on the head of the bolt; a circuit assembly installed inside the bolt connection member and extending upward to the outside; a detection assembly; according to the utility model, the sensor is directly connected with the bolt connecting piece and the nut connecting piece, and the pretightening force of the bolt is detected by means of the relative movement of the bolt connecting piece and the nut connecting piece, so that the bolt connecting strength is not influenced, and the structure of the existing bolt is not required to be improved.
Description
Technical Field
The utility model relates to the technical field of bolt pretightening force monitoring, in particular to a bolt pretightening force monitoring device.
Background
The bolt pretightening force on-line monitoring system can accurately measure the transmission time of ultrasonic waves in fasteners such as bolts in real time, calculates numerical values such as bolt stress, axial force and elongation by comparing the acoustic time when the bolts are not loaded, and carries out remote transmission management and centralized display on data through a wireless or wired network.
The measuring system can measure the temperature in real time and correct the temperature of the measured result. The device is provided with a plurality of paths of expandable probe signal interfaces, the number of the channels can be customized, and the real-time monitoring requirements of bolt axial force in various fields such as wind power, hydropower, bridges, aviation and the like are met.
The prior art monitoring devices introduce additional redundancy that affects the strength of the bolted connection.
Disclosure of utility model
The utility model provides a device for solving the problem that the bolt connection strength is affected by the fact that an additional redundant structure is introduced into a monitoring device in the prior art.
The technical problems solved by the utility model are realized by adopting the following technical scheme:
A bolt pretension monitoring device, comprising:
A bolt;
the nut is in threaded connection with the outer side of the bolt;
The bolt connecting piece is in threaded connection with the outer side of the bolt;
The nut connecting piece is fixed on the outer side of the nut;
the two ends of the sensor are respectively connected with the bolt connecting piece and the nut connecting piece;
the adsorption piece is inlaid in the bolt connecting piece and sleeved on the head of the bolt;
a circuit assembly installed inside the bolt connection member and extending upward to the outside;
And the detection assembly is electrically connected with the circuit assembly.
Optionally, the bolt connection includes:
an outer sleeve disposed outside the bolt;
the magnetism isolating and dividing plate is fixed in the middle of the outer sleeve;
The spiral connection cylinders are fixed at the top of the magnetism isolating dividing plate, are provided with a plurality of spiral connection cylinders and are uniformly distributed in an annular array;
and the cover plate assembly is arranged at the top opening of the outer sleeve.
Optionally, the cover plate assembly includes:
the cover plate is arranged at the opening of the outer sleeve;
the screw pipe passes through the cover plate and is inserted into the screw cylinder;
The cover plate is arranged in the middle of the wire through hole.
Optionally, the adsorbing member includes:
The guide sleeve is fixed in the outer sleeve and sleeved on the outer side of the bolt;
and the magnet is fixed at the opening of the guide sleeve and is adsorbed with the bolt.
Optionally, the circuit assembly includes:
The circuit board is placed on the magnetism isolating dividing plate;
the pressing plate is sleeved on the outer side of the screw connection cylinder and is used for pressing and fixing the circuit board;
And the first electric wire is arranged on the circuit board and penetrates through the wire through hole.
Optionally, the nut connector includes:
the polygonal sleeve is sleeved on the outer side of the nut;
The bearing rings are fixed on the outer side of the polygonal sleeve and are uniformly distributed along the circumferential direction of the polygonal sleeve.
Optionally, the detection assembly includes:
the channel switcher is connected with the circuit board through a first wire;
The collector host is connected with the channel switcher through a bus;
The power supply is used for providing power for the collector host;
and the router is connected with the collector host.
The utility model has the beneficial effects that:
The sensor is directly connected with the bolt connecting piece and the nut connecting piece, and the pretightening force of the bolt is detected by means of the relative movement of the bolt connecting piece and the nut connecting piece, so that the bolt connecting strength is not influenced, and the structure of the existing bolt is not required to be improved;
The bolt connecting piece is fixed on the outer side of the bolt through the absorbing piece, so that the bolt connecting piece is prevented from moving relative to the bolt under the action of external force.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the front view of the structure of the present utility model;
FIG. 2 is a schematic diagram of a circuit assembly according to the present utility model;
FIG. 3 is a schematic view of the structure of the adsorbing member of the present utility model;
FIG. 4 is a schematic view of a cover plate assembly according to the present utility model;
FIG. 5 is a schematic diagram of a detecting assembly according to the present utility model.
In the figure: 100. a bolt;
200. a nut;
300. A bolt connection; 310. an outer sleeve; 320. a magnetism isolating dividing plate; 330. a screw connection cylinder; 340. a cover plate assembly; 341. a cover plate; 342. a screw; 343. a wire through hole;
400. A nut connector; 410. a polygonal sleeve; 420. a receiving ring;
500. a sensor;
600. An absorbing member; 610. a guide sleeve; 620. a magnet;
700. A circuit assembly; 710. a circuit board; 720. a pressing plate; 730. a first electric wire;
800. A detection assembly; 810. a channel switcher; 820. a collector host; 830. a power supply; 840. a router;
Detailed Description
The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.
Referring to fig. 1-5, a bolt pretension monitoring device includes:
A bolt 100;
the nut 200, the nut 200 is screwed on the outside of the bolt 100;
A bolt connection member 300, the bolt connection member 300 being screwed to the outside of the bolt 100;
A nut connector 400, the nut connector 400 being fixed to the outside of the nut 200;
The sensor 500, both ends of the sensor 500 are connected with the bolt connector 300 and the nut connector 400, respectively;
The absorbing member 600, the absorbing member 600 is embedded in the bolt connecting member 300 and is sleeved on the head of the bolt 100;
The circuit assembly 700, the circuit assembly 700 is installed inside the bolting 300 and extends upward to the outside;
the detection assembly 800, the detection assembly 800 is electrically connected with the circuit assembly 700.
The sensor 500 is directly connected with the bolt connecting piece 300 and the nut connecting piece 400, and the pretightening force of the bolt is detected by means of the relative movement of the bolt connecting piece 300 and the nut connecting piece 400, so that the connection strength of the bolt 100 is not affected, and the structure of the existing bolt 100 is not required to be improved;
The bolt connector 300 is fixed on the outer side of the bolt 100 through the absorbing member 600, so that the bolt connector 300 is prevented from moving relative to the bolt 100 under the action of external force.
In some embodiments of the present utility model, referring to fig. 2, a bolting piece 300 includes:
An outer sleeve 310, the outer sleeve 310 being disposed outside of the bolt 100;
The magnetism isolating and dividing plate 320, the magnetism isolating and dividing plate 320 is fixed in the middle of the outer sleeve 310;
The screw connection cylinders 330, wherein the screw connection cylinders 330 are fixed at the top of the magnetism isolating and dividing plate 320, are provided with a plurality of screw connection cylinders, and are uniformly distributed in an annular array;
and a cover assembly 340. The cover assembly 340 is mounted at the top opening of the outer sleeve 310.
Wherein, the sensor 500 is connected through the arrangement of the outer sleeve 310, and the normal installation of the adsorbing element 600 and the circuit assembly 700 is ensured; the mutual influence between the suction member 600 and the circuit assembly 700 can be reduced by the arrangement of the magnetism isolating partition plate 320;
Wherein, the normal dismantlement of apron subassembly 340 can be guaranteed through the setting of spiro union section of thick bamboo 330, can also guarantee the normal fixed of circuit subassembly 700 simultaneously.
In some embodiments of the present utility model, referring to fig. 4, a cover plate assembly 340 includes:
A cover plate 341, the cover plate 341 being mounted at an opening of the outer sleeve 310;
A screw 342, the screw 342 being passed through the cap plate 341 and inserted into the inside of the screw cylinder 330;
The wire through hole 343, the cover plate 341 is opened in the middle of the wire through hole 343.
Wherein, the outer sleeve 310 can be shielded by the matching arrangement of the cover plate 341 and the wire through hole 343, and the circuit of the circuit assembly 700 can be ensured to normally pass through;
wherein, normal dismantlement installation of apron 341 can be guaranteed through the cooperation setting of screw 342 and spiro union section of thick bamboo 330.
In some embodiments of the present utility model, referring to fig. 3, an absorbent member 600 includes:
the guide sleeve 610, the guide sleeve 610 is fixed inside the outer sleeve 310 and sleeved outside the bolt 100;
the magnet 620, the magnet 620 is fixed at the opening of the guide sleeve 610 and is attracted to the bolt 100.
Wherein, the arrangement of the guide sleeve 610 plays a role in guiding the insertion of the bolt 100 and prevents the bolt 100 from shifting after the insertion; the bolt connector 300 is fixed to the outside of the bolt 100 by the arrangement of the magnet 620 and the adsorption of the bolt 100.
In some embodiments of the present utility model, referring to fig. 2, a circuit assembly 700 includes:
a circuit board 710, the circuit board 710 being placed on the magnetism isolating division plate 320;
The pressing plate 720 is sleeved on the outer side of the screw connection barrel 330, and the circuit board 710 is pressed and fixed;
the first wire 730 is mounted on the circuit board 710 and passes through the wire through hole 343.
The circuit board 710 is pressed and fixed by the arrangement of the pressing plate 720, so that the stability of the circuit board 710 in use is ensured.
In some embodiments of the present utility model, referring to fig. 1, a nut connector 400 includes:
The polygonal sleeve 410, the polygonal sleeve 410 is sleeved outside the nut 200;
The receiving ring 420 is fixed on the outer side of the polygonal sleeve 410, and uniformly distributed along the circumference of the polygonal sleeve 410.
Wherein, the polygonal sleeve 410 is matched with the nut 200 and is fixed on the outer side of the nut 200; the sensor 500 is connected to the sensor 500 by the receiving ring 420, and the sensor 500 is fixed.
In some embodiments of the present utility model, referring to fig. 5, a detection assembly 800 includes:
A channel switch 810, the channel switch 810 being connected to the circuit board 710 by a first wire 730;
a collector host 820, the collector host 820 being connected to the channel switch 810 through a bus;
A power supply 830, the power supply 830 providing power to the channel switch 810 and the collector host 820;
router 840, router 840 is connected to collector host 820.
Wherein, the collector host 820 performs display calculation on the collected signals; power is provided for use by channel switch 810 and collector host 820 through the provision of power supply 830.
The working method of the utility model comprises the following steps:
during installation, the polygonal sleeve 410 is sleeved on the outer side of the nut 200 and fixed, the nut 200 is installed on the bolt 100, the circuit board 710 is placed on the magnetism isolating dividing plate 320, the pressing plate 720 is sleeved on the outer side of the screw connection barrel 330, the circuit board 710 is pressed and fixed, the cover plate 341 is installed at the opening of the outer sleeve 310, the cover plate 341 is fixed through the screw 342, and the guide sleeve 610 is inserted into the outer sleeve 310 and sleeved on the outer side of the bolt 100;
The outer sensor 500 is then attached to the receiving ring 420.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a bolt pretightning force monitoring devices which characterized in that includes:
A bolt (100);
A nut (200), the nut (200) being screwed to the outside of the bolt (100);
A bolt connection member (300), the bolt connection member (300) being screwed to the outside of the bolt (100);
A nut connecting member (400), the nut connecting member (400) being fixed to the outer side of the nut (200);
The sensor (500), both ends of the sensor (500) are connected with the bolt connecting piece (300) and the nut connecting piece (400) respectively;
The absorbing piece (600), the absorbing piece (600) is inlaid in the bolt connecting piece (300) and is sleeved on the head of the bolt (100);
A circuit assembly (700), the circuit assembly (700) being mounted inside the bolt connector (300) and extending upward to the outside;
And a detection assembly (800), the detection assembly (800) being electrically connected to the circuit assembly (700).
2. The bolt pretension monitoring device according to claim 1, wherein:
the bolt connection (300) comprises:
an outer sleeve (310), the outer sleeve (310) being arranged outside the bolt (100);
A magnetism isolating and dividing plate (320), wherein the magnetism isolating and dividing plate (320) is fixed in the middle of the outer sleeve (310);
The spiral connection cylinders (330), wherein the spiral connection cylinders (330) are fixed at the top of the magnetism isolating and dividing plate (320), are provided with a plurality of spiral connection cylinders and are uniformly distributed in an annular array;
And the cover plate assembly (340) is arranged at the top opening of the outer sleeve (310).
3. The bolt pretension monitoring device according to claim 2, wherein:
The cover plate assembly (340) includes:
A cover plate (341), wherein the cover plate (341) is arranged at the opening of the outer sleeve (310);
A screw 342, the screw 342 being passed through the cap plate 341 and inserted into the interior of the screw cylinder 330;
And the cover plate (341) is arranged in the middle of the wire through hole (343).
4. The bolt pretension monitoring device according to claim 1, wherein:
The absorbent member (600) comprises:
the guide sleeve (610) is fixed inside the outer sleeve (310) and sleeved on the outer side of the bolt (100);
And the magnet (620) is fixed at the opening of the guide sleeve (610) and is adsorbed with the bolt (100).
5. The bolt pretension monitoring device according to claim 1, wherein:
The circuit assembly (700) includes:
A circuit board (710), the circuit board (710) being placed on the magnetism isolating dividing plate (320);
The pressing plate (720), the pressing plate (720) is sleeved on the outer side of the screw connection cylinder (330), and the circuit board (710) is pressed and fixed;
a first wire (730), the first wire (730) being mounted on the circuit board (710) and passing through the wire through hole (343).
6. The bolt pretension monitoring device according to claim 1, wherein:
The nut connector (400) includes:
The polygonal sleeve (410) is sleeved on the outer side of the nut (200);
And the bearing rings (420) are fixed on the outer side of the polygonal sleeve (410) and are uniformly distributed along the circumferential direction of the polygonal sleeve (410).
7. The bolt pretension monitoring device according to claim 1, wherein:
the detection assembly (800) includes:
A channel switch (810), the channel switch (810) being connected to the circuit board (710) by a first wire (730);
A collector host (820), the collector host (820) being connected to the channel switch (810) via a bus;
a power supply (830), the power supply (830) providing power to a collector host (820);
A router (840), the router (840) being connected to the collector host (820).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323448051.4U CN221302581U (en) | 2023-12-18 | 2023-12-18 | Bolt pretightening force monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323448051.4U CN221302581U (en) | 2023-12-18 | 2023-12-18 | Bolt pretightening force monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221302581U true CN221302581U (en) | 2024-07-09 |
Family
ID=91750256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323448051.4U Active CN221302581U (en) | 2023-12-18 | 2023-12-18 | Bolt pretightening force monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221302581U (en) |
-
2023
- 2023-12-18 CN CN202323448051.4U patent/CN221302581U/en active Active
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