CN209858123U - Novel bolt pretightning force detects device - Google Patents
Novel bolt pretightning force detects device Download PDFInfo
- Publication number
- CN209858123U CN209858123U CN201920329062.5U CN201920329062U CN209858123U CN 209858123 U CN209858123 U CN 209858123U CN 201920329062 U CN201920329062 U CN 201920329062U CN 209858123 U CN209858123 U CN 209858123U
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- base
- bolt
- force detection
- top plate
- pretightening force
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Abstract
The utility model discloses a novel bolt pretightning force detects device, the on-line screen storage device comprises a base, the supporting legs is all installed at four end angles of base bottom surface, the supporting legs has four, the inside of base is provided with standard screw hole, the both sides of standard screw hole all are provided with the recess, the recess has two, the internally mounted of recess has pressure adjustment knob, standard bolt is installed to the centre of base top, the electro-magnet is all installed at four end angles of base top, the electro-magnet has four, the support column is installed to the top of electro-magnet, the roof is installed to the top of support column, the pressure display screen is installed to the top of roof, pressure sensor is installed to the centre of roof bottom surface, compression spring is installed to pressure sensor's below. The utility model discloses simple structure utilizes flexible material to replace the tradition to paint the coupling medium, and work load greatly reduced, efficiency uprises.
Description
Technical Field
The utility model relates to a bolt pretightning force detects technical field, specifically is a novel bolt pretightning force detects device.
Background
Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.
However, when the existing bolt pretightening force detection device detects the service stress of each bolt or weld joint, the probe needs to be completely coupled with the bolt or weld joint to be detected, so that a coupling medium needs to be coated between each detection probe and an object to be detected, the workload is very large, and the construction period is seriously influenced; therefore, the existing requirements are not met, and a novel bolt pretightening force detection device is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel bolt pretightning force detection device to current bolt pretightning force detection device who proposes in solving above-mentioned background art need be with probe and the bolt or the complete coupling of welding seam that awaits measuring when detecting the labour stress size of each bolt or welding seam, and this just need paint coupling medium between every test probe and determinand, and work load is very big, seriously influences time limit for a project scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: a novel bolt pretightening force detection device comprises a base, wherein supporting legs are respectively arranged at four end corners of the bottom surface of the base, four supporting legs are provided, a standard threaded hole is arranged in the base, grooves are arranged on two sides of the standard threaded hole, the number of the grooves is two, the pressure adjusting knob is arranged in the groove, the middle of the upper part of the base is provided with a standard bolt, four end angles above the base are all provided with four electromagnets, support columns are arranged above the electromagnets, a top plate is arranged above the supporting column, a pressure display screen is arranged above the top plate, a pressure sensor is arranged in the middle of the bottom surface of the top plate, the pressure sensor is characterized in that a compression spring is installed below the pressure sensor, a bolt pretightening force detection probe is installed below the compression spring, and a connecting block is installed below the bolt pretightening force detection probe.
Preferably, the connecting block is formed by wrapping a flexible material, and the flexible material is an all-carbon aerogel.
Preferably, one end of the compression spring is connected with the pressure sensor through a buckle, and the other end of the compression spring is connected with the bolt pretightening force detection probe through a buckle.
Preferably, the lower end face of the pressure display screen is completely attached to the upper end face of the top plate, and the pressure display screen is connected with the top plate through screws.
Preferably, the bottom surface of the supporting column is provided with a clamping groove, and the electromagnet is connected with the supporting column through the clamping groove.
Preferably, the upper end surface of the supporting leg is completely attached to the lower end surface of the base, and the base and the supporting leg are fixed through welding.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a install the connecting block below bolt pretightning force test probe, the connecting block is flexible material, when detecting, after this flexible material compression, do not influence the transmission and the receipt of supersound completely, utilize the electro-magnet to fix the support column at the up end of base, need not to paint coupling medium one by one again, can realize quick frock;
2. the utility model discloses an install pressure adjustment knob and conveniently exert pressure for standard bolt, utilize the change of compression spring elasticity, pressure sensor real-time supervision, pressure display screen display pressure data, the convenient pretightning force that detects standard bolt.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a partial schematic structural view of a standard threaded hole of the present invention;
FIG. 3 is a schematic view of a partial structure of the groove of the present invention;
fig. 4 is a schematic structural diagram of the present invention in the detection state.
In the figure: 1. a base; 2. supporting legs; 3. a pressure adjusting knob; 4. a groove; 5. standard threaded holes; 6. a standard bolt; 7. an electromagnet; 8. a support pillar; 9. a top plate; 10. a pressure display screen; 11. a pressure sensor; 12. a compression spring; 13. a bolt pre-tightening force detection probe; 14. and (4) connecting the blocks.
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.
The electromagnet 7 (model is ELE-P20/1512V) and the pressure sensor 11 (model is MIK-P300) mentioned in the utility model can be obtained by market or private ordering.
Referring to fig. 1-4, the present invention provides an embodiment: a novel bolt pretightening force detection device comprises a base 1, wherein four end corners of the bottom surface of the base 1 are respectively provided with a supporting leg 2, four supporting legs 2 are arranged, a standard threaded hole 5 is arranged in the base 1, two grooves 4 are arranged on two sides of the standard threaded hole 5, two grooves 4 are arranged, a pressure adjusting knob 3 is arranged in each groove 4, a standard bolt 6 is arranged in the middle of the upper part of the base 1, the standard bolt 6 is conveniently fixed through the standard threaded hole 5, four end corners of the upper part of the base 1 are respectively provided with an electromagnet 7, four electromagnets 7 are provided, a fixing device is convenient after electrification, a supporting column 8 is arranged above each electromagnet 7, a top plate 9 is arranged above each supporting column 8, a pressure display screen 10 is arranged above each top plate 9, pressure data can be conveniently displayed in real time, the middle of the bottom surface of each top plate 9 is provided with a, a bolt pretightening force detection probe 13 is arranged below the compression spring 12, and a connecting block 14 is arranged below the bolt pretightening force detection probe 13.
Further, the connecting block 14 is formed by wrapping a flexible material, the flexible material is all-carbon aerogel, and the flexible material has compressibility and does not affect transmission and reception of ultrasound at all.
Furthermore, one end of the compression spring 12 is connected with the pressure sensor 11 through a buckle, and the other end of the compression spring 12 is connected with the bolt pretightening force detection probe 13 through a buckle, so that the connection stability is improved.
Further, the lower end face of the pressure display screen 10 is completely attached to the upper end face of the top plate 9, the pressure display screen 10 is connected with the top plate 9 through screws, and connection stability is improved.
Further, the bottom surface of support column 8 is provided with the draw-in groove, and electro-magnet 7 passes through the draw-in groove with support column 8 to be connected, improves the stability of connecting.
Further, the upper end face of the supporting leg 2 is completely attached to the lower end face of the base 1, and the base 1 and the supporting leg 2 are fixed through welding, so that fixing firmness is improved.
The working principle is as follows: when the device is used, a standard bolt 6 to be detected is installed inside a standard threaded hole 5, the compressibility and the gel property of a connecting block 14 are utilized, the transmission and the receiving of ultrasonic are not affected completely, the lower end of a bolt pretightening force detection probe 13 is completely attached to the upper end face of the standard bolt 6, an electromagnet 7 is powered on, the electromagnet 7 is tightly attached to a base 1, a pressure adjusting knob 3 is rotated to apply pressure to the standard bolt 6, the pressure sensor 11 is used for monitoring through the change of the elastic force of a compression spring 12, pressure data are displayed in real time on a pressure display screen 10, and the bolt pretightening force detection probe 13 is used for carrying out ultrasonic detection on bolt pretightening force.
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.
Claims (6)
1. The utility model provides a novel bolt pretightning force detects device, includes base (1), its characterized in that: the supporting legs (2) are installed at four end angles of the bottom surface of the base (1), the number of the supporting legs (2) is four, a standard threaded hole (5) is formed in the base (1), grooves (4) are formed in two sides of the standard threaded hole (5), two pressure adjusting knobs (3) are installed in the grooves (4), a standard bolt (6) is installed in the middle of the upper portion of the base (1), electromagnets (7) are installed at four end angles of the upper portion of the base (1), four electromagnets (7) are arranged, supporting columns (8) are installed above the electromagnets (7), a top plate (9) is installed above the supporting columns (8), a pressure display screen (10) is installed above the top plate (9), and a pressure sensor (11) is installed in the middle of the bottom surface of the top plate (9), compression spring (12) is installed to the below of pressure sensor (11), bolt pretightning force test probe (13) is installed to the below of compression spring (12), connecting block (14) are installed to the below of bolt pretightning force test probe (13).
2. The novel bolt pretightening force detection device according to claim 1, characterized in that: the connecting block (14) is formed by wrapping a flexible material, and the flexible material is full-carbon aerogel.
3. The novel bolt pretightening force detection device according to claim 1, characterized in that: one end of the compression spring (12) is connected with the pressure sensor (11) through a buckle, and the other end of the compression spring (12) is connected with the bolt pretightening force detection probe (13) through a buckle.
4. The novel bolt pretightening force detection device according to claim 1, characterized in that: the lower end face of the pressure display screen (10) is completely attached to the upper end face of the top plate (9), and the pressure display screen (10) is connected with the top plate (9) through screws.
5. The novel bolt pretightening force detection device according to claim 1, characterized in that: the bottom surface of support column (8) is provided with the draw-in groove, electro-magnet (7) pass through the draw-in groove with support column (8) and are connected.
6. The novel bolt pretightening force detection device according to claim 1, characterized in that: the upper end face of the supporting leg (2) is completely attached to the lower end face of the base (1), and the base (1) and the supporting leg (2) are fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329062.5U CN209858123U (en) | 2019-03-15 | 2019-03-15 | Novel bolt pretightning force detects device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329062.5U CN209858123U (en) | 2019-03-15 | 2019-03-15 | Novel bolt pretightning force detects device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858123U true CN209858123U (en) | 2019-12-27 |
Family
ID=68933776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329062.5U Active CN209858123U (en) | 2019-03-15 | 2019-03-15 | Novel bolt pretightning force detects device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209858123U (en) |
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2019
- 2019-03-15 CN CN201920329062.5U patent/CN209858123U/en active Active
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