CN201339635Y - Multistage pushing fastener with detection interface - Google Patents
Multistage pushing fastener with detection interface Download PDFInfo
- Publication number
- CN201339635Y CN201339635Y CNU2009200375350U CN200920037535U CN201339635Y CN 201339635 Y CN201339635 Y CN 201339635Y CN U2009200375350 U CNU2009200375350 U CN U2009200375350U CN 200920037535 U CN200920037535 U CN 200920037535U CN 201339635 Y CN201339635 Y CN 201339635Y
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- Prior art keywords
- bolt
- multistage push
- multistage
- interface
- pretension
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- 238000001514 detection method Methods 0.000 title abstract description 31
- 230000003746 surface roughness Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 description 13
- 238000002604 ultrasonography Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002153 concerted effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000153 supplemental effect Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A multi-stage pushing fastener with a detection interface, which can be directly installed and connected with an ultrasonic bolt detector, can directly and synchronously detect and monitor a plurality of pre-tightening parameters of a bolt, and consists of a conical stud bolt, a super gasket, a multi-stage pushing nut, a multi-stage pushing bolt, a locking taper sleeve and a bush. The middle of the conical stud bolt is made into a cone shape; making threads at two ends; a square inside hexagon head is arranged on the end face of the thread at one end; and the other end of the thread end surface is provided with a detection interface for installing and connecting a magnetic detection probe of the ultrasonic bolt detector. The middle conical surface is provided with a locking taper sleeve matched with the middle conical surface; one end of the anti-loosening taper sleeve is provided with a bushing with the diameter equal to that of one end of the anti-loosening taper sleeve; the anti-loosening taper sleeve and the outer surface of the bushing are used for installing two connectors; the inner sides of the two thread parts are respectively provided with a super gasket, the outer sides of the two thread parts are respectively provided with a multi-stage pushing nut, the multi-stage pushing screw hole is provided with a multi-stage pushing bolt matched with the multi-stage pushing nut, and the cylindrical end surface of the multi-stage pushing bolt is contacted with a first reference surface of the super gasket.
Description
1, affiliated technical field
The utility model relates to a kind of pretension big machinery part usefulness, can directly install to connect ultrasound bolt detector, and a plurality of pretension parameters of bolt can directly detect the multistage push fastener of the band detection interface of monitoring synchronously.
2, background technique
For pretension big machinery part bolt, all be not have the interface of detection bolt at present, promptly do not have the detection interface of construction bolt detector.Therefore directly detecting synchronously of its a plurality of pretension parameters monitored, all can't adopt the bolt detector that directly links with it directly to carry out synchronously, and can only be by detecting the relevant middle pretension parameter of its relevant pre-clamping tool of monitoring, realize indirectly the back as calculated, promptly can only carry out the monitoring of substep indirect detection.Do not have the basic skills that detects the monitoring of a plurality of pretension parameter substep of interface bolt indirect detection at present and have two kinds:
1) pretension parameter substep indirect detection monitoring method in the middle of the hydraulic elongator
During application specific hydraulic elongator pretension bolt, adopt hydralic pressure gauge to detect hydraulic elongator hydraulic tensioning nut hydraulic system pretension hydraulic coupling value, this hydraulic coupling is on duty with the pretension bolt cross-section area, and indirect detection goes out bolt pretightening as calculated; Measure present position, hydraulic elongator hydraulic tensioning nut pretension front and back size with length measuring instrument simultaneously, indirect detection goes out bolt pretension elongation as calculated.
2) pretension parameter substep indirect detection monitoring method in the middle of the hydraulic torque wrench
During application specific hydraulic torque wrench pretension bolt, adopt hydralic pressure gauge to detect hydraulic torque wrench hydraulic jack hydraulic system pretension hydraulic coupling value, this hydraulic coupling is on duty with hydraulic torque wrench hydraulic cylinder piston cross-section area, the gained product multiply by hydraulic torque wrench arm of force length again, and indirect detection goes out the bolt prefastening torque as calculated; Measure present position, hydraulic torque wrench pretension sleeve pretension front and back size with length measuring instrument simultaneously, indirect detection goes out bolt pretension elongation as calculated.
Do not have detection interface bolt and use the method that above-mentioned two kinds of substep indirect detection are monitored its a plurality of pretension parameters, exist bolt pretension supplemental characteristic accuracy, conformity poor, can not carry out accurate pretension to bolt, influence high request big machinery part preload Technique performance and quality; Slow with the pretension assembling speed, inefficient defective.
3, summary of the invention
Detect interface bolt pretension supplemental characteristic accuracy for solving present nothing, conformity is poor, can not carry out accurate pretension to bolt, influences high request big machinery part preload Technique performance and quality; Slow with the pretension assembling speed, inefficient drawback, it is a kind of with the multistage push fastener that detects interface that the utility model provides, and detects at it a kind of ultrasound bolt detector that can directly detect a plurality of pretension parameters of monitoring bolt synchronously can directly be installed on the interface.During the multistage push fastener pretension, use this detector, a plurality of pretension parameters of bolt can directly detect monitoring synchronously.
The technological scheme that the utility model technical solution problem is adopted is: use a kind of multistage push fastener with the detection interface, it is made up of taper stud bolt, super pad, multistage push nut, multistage push bolt, locking tapered sleeve and lining.The taper stud bolt, taper shape is made in the centre; Screw thread is made at two; At a head thread end face, be shaped on cubic hexagon head in, manual wrench turns it during for mounting or dismounting taper stud bolt; At other end screw thread end face, be shaped on the exigent minute surface of a surface roughness and detect interface, this detects interface, can provide taper stud bolt pretension parameter information for ultrasound bolt detector magnetic detection probe transmits, can connect ultrasound bolt detector magnetic detection probe for installing again, make the magnetic detection probe can rely on himself magnetic, itself and detection interface tightly are pulled together, thereby make it can detect the pretension parameter information that detects the taper stud bolt that the interface transmission provides, realize its a plurality of pretension parameters are directly detected monitoring synchronously.At the middle circle conical surface associated locking tapered sleeve is housed, in the above, have the slit that an inside and outside penetrates vertically, for locking tapered sleeve radial expansion: at locking tapered sleeve one end lining with one end equal diameters is housed, and its two contact jaw is adjacent to mutually; Outer surface at locking tapered sleeve and lining is used to install two pretension conjunctions.At screw thread position, two, super pad and multistage push nut are installed respectively, super pad is contained in the inboard, and its second reference level is adjacent to mutually with first conjunction, first reference level and lining one end and second conjunction, first reference level respectively; The multistage push nut is contained in the outside, and the multistage push nut on the head thread is used for pretension two conjunctions, and the multistage push nut on the screw thread of other end then is used to dismantle two conjunctions.On multistage push nut first reference level, be shaped on a plurality of axial circular counter bore that becomes the concentric circle equal angles to distribute with its main screw, be shaped on a plurality of penetrate circular hole and a plurality of internal thread multistage push screws coaxial successively in its bottom with it.Associated multistage push bolt is housed on the multistage push screw, and what of its quantity are decided on the size of multistage push nut.The multistage push bolt, screw thread is made in the centre; Different in size cylindrical of equal diameter is made at two respectively; Elongated cylindrical one crown end is made hexagon head, for hexagonal socket wrench it is turned.Other end short cylindrical shape end face contacts with super pad first reference level, rely on it to withstand on the axial jacking force that is produced on super pad first reference level, can be taper stud bolt pretension or dismounting, can in pretension or unloading process, it not rotated again, guarantee that the detection interface of its other end screw thread end face is unaffected with connecting with detection of ultrasound bolt detector magnetic detection probe.Super pad is made by alloy material, and its two reference level has extreme hardness and excellent toughness, and its first and second reference level appellation and position are interchangeable.During pretension taper stud bolt, adopt manual or pneumatic hexagonal socket wrench earlier all the multistage push bolts on the multistage push nut on the screw thread of other end to be twisted back, make its other end short cylindrical shape end face not stretch out multistage push nut second reference level, and, its second reference level is adjacent to mutually with super pad first reference level with the multistage push nut screwing clamping.Multistage push nut first reference level and the second reference level appellation and position are interchangeable; Turn all the multistage push bolts on the multistage push nut on the head thread then, relying on its other end short cylindrical shape end face to withstand on super pad first reference level makes a concerted effort and with taper stud bolt pretension to the axial pushing tow that the multistage push nut produced, the pretightening force that it produced, pretension stress and pretension elongation three pretension parameter informations, then by popping one's head in the joining ultrasound bolt of the detection interface detector magnetic detection of its other end screw thread end face, after directly detecting synchronously, with detected three pretension parameter informations, information transmission lead after testing, directly synchronous transfer detects the information translation display screen to ultrasound bolt detector, directly detects synchronously to show and monitoring; During dismounting taper stud bolt, sequence of operation is just in time opposite, earlier all the multistage push bolts on the multistage push nut on the head thread are unscrewed, and the multistage push nut backed out, and then turn all multistage push bolts on the multistage push nut on the screw thread of other end, rely on its other end short cylindrical shape end face, withstand on the axial pushing tow that on super pad first reference level multistage push nut is produced and make a concerted effort, and the taper stud bolt is disassembled.
The beneficial effects of the utility model are: during the bolt pretension, the a plurality of pretension parameters of bolt can directly detect monitoring synchronously, it is accurately consistent to have bolt pretension supplemental characteristic, can carry out accurate pretension to bolt, greatly improve high request big machinery part assembly pretightening comprehensive technical performance and quality; Quick with the pretension assembling, the remarkable advantage that efficient greatly improves.
4, description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model embodiment pretension two conjunctions, and a plurality of pretension parameters of taper stud bolt can directly detect the structural representation of monitoring synchronously.
Fig. 2 is the left view that band detects the interface multistage push fastener among Fig. 1.
Fig. 3 is the right elevation that band detects the interface multistage push fastener among Fig. 1.
1. taper stud bolts among the figure, 2. super pad, 3. multistage push nut, 4. multistage push bolt, 5. locking tapered sleeve, 6. lining, 7. ultrasound bolt detector, 8. first conjunction, 9. second conjunction, 11. conical, 12. 1 head threads, 13. interior cubic hexagon heads, 14. the other end screw thread, 15. detect interface, 21. super pad first reference levels, 22. super pad second reference level, 31. multistage push nuts, first reference level, 32. multistage push nuts, second reference level, 33. main screw, 34. multistage push screws, 35. penetrate circular hole, 36. circular counter bore, 37. bottoms, 41. intermediate thread, 42. hexagon head, 43. is cylindrical, 44. end faces, 45. elongated cylindrical, 51. slit, 52. 1 ends, 61. linings, one end, 62. the lining the other end, 71. the magnetic detection probe, 72. detect the information transmission lead, and 73. detect the information translation display screen, 81. first conjunction, first reference level, 91. second conjunctions, first reference level.
5, embodiment
Consult below and embodiment illustrated in fig. 1 technical solutions of the utility model are described further: a kind of with the multistage push fastener that detects interface, it is made up of taper stud bolt (1), super pad (2), multistage push nut (3), multistage push bolt (4), locking tapered sleeve (5) and lining (6).Taper stud bolt (1), centre are made taper shape (11); A head thread (12) is made at two, other end screw thread (14); At a head thread (12) end face, be shaped on cubic hexagon head (13) in; At other end screw thread (14) end face, be shaped on one and detect interface (15), be used for installing connection ultrasound bolt detector (7) magnetic detection probe (71).On middle circle taper (11) surface, associated locking tapered sleeve (5) is housed, in the above, have the slit (51) that an inside and outside penetrates vertically; At locking tapered sleeve (5) one ends (52) lining (6) with one end (52) equal diameters is housed, and an end (52) of locking tapered sleeve (5) and lining (6) the other end (62) two contact jaws are adjacent to mutually; Be used to install first conjunction (8) and second conjunction (9) at locking tapered sleeve (5) and lining (6) outer surface.At screw thread position, two, super pad (2) and multistage push nut (3) are installed respectively on one head thread (12) and the other end screw thread (14), super pad (2) is contained in the inboard, and its second reference level (22) is adjacent to mutually with first conjunction (8) first reference levels (81) and lining (6) one ends (61) and second conjunction (9) first reference levels (91) respectively; Multistage push nut (3) is contained in the outside, multistage push nut (3) on one head thread (12) is used for pretension first conjunction (8) and second conjunction (9), and the multistage push nut (3) on the other end screw thread (14) then is used to dismantle first conjunction (8) and second conjunction (9).On multistage push nut (3) first reference levels (31), be shaped on a plurality of axial circular counter bore (36) that becomes the concentric circle equal angles to distribute with its main screw (33), be shaped on a plurality of penetrate circular hole (35) and a plurality of internal thread multistage push screws (34) coaxial successively with it in its bottom (37).Associated multistage push bolt (4) is housed on multistage push screw (34), and what of its quantity are decided on the size of multistage push nut (3).Multistage push bolt (4), centre are made screw thread (41); Two is made equal diameter elongated cylindrical different in size (45) and short cylindrical shape (43) respectively; Elongated cylindrical (45) one crown ends are made hexagon head (42), and other end short cylindrical shape (43) end face (44) contacts with super pad (2) first reference levels (21).During pretension taper stud bolt (1), adopt manual or pneumatic hexagonal socket wrench earlier all the multistage push bolts (4) on the multistage push nut (3) on the other end screw thread (14) to be twisted back, make its other end short cylindrical shape (43) end face (44) not stretch out multistage push nut (3) second reference levels (32), and multistage push nut (3) tightened, its second reference level (32) is adjacent to mutually with super pad (2) first reference levels (21); Turn all the multistage push bolts (4) on the multistage push nut (3) on the head thread (12) then, rely on its other end short cylindrical shape (43) end face (44) to withstand on super pad (2) first reference levels (21), the axial pushing tow that multistage push nut (3) is produced is made a concerted effort and with taper stud bolt (1) pretension, the pretightening force that it produced, pretension stress and pretension elongation three pretension parameter informations, then by with detection interface (15) joining ultrasound bolt detector (7) magnetic detection of its other end screw thread (14) end face probe (71), after directly detecting synchronously, with detected three pretension parameter informations, information transmission lead (72) after testing, directly synchronous transfer detects information translation display screen (73) to ultrasound bolt detector (7), directly detects synchronously to show and monitoring; During dismounting taper stud bolt (1), earlier all the multistage push bolts (4) on the multistage push nut (3) on the head thread (12) are unscrewed, and multistage push nut (3) backed out, and then turn other end screw thread (14) and go up all multistage push bolts (4) on the multistage push nut (3), rely on its other end short cylindrical shape (43) end face (44), withstand on super pad (2) first reference levels (21) and upward the axial pushing tow that multistage push nut (3) is produced is made a concerted effort, and taper stud bolt (1) is disassembled.
Claims (4)
1, a kind of with the multistage push fastener that detects interface, it is made up of taper stud bolt, super pad, multistage push nut, multistage push bolt, locking tapered sleeve and lining, it is characterized in that: the taper stud bolt, and taper shape is made in the centre; Screw thread is made at two; At a head thread end face, be shaped on cubic hexagon head in; At other end screw thread end face, be shaped on the exigent minute surface of a surface roughness and detect interface, at the middle circle conical surface associated locking tapered sleeve is housed, at locking tapered sleeve one end lining with one end equal diameters is housed; At screw thread position, two, super pad and multistage push nut are installed respectively, and super pad is contained in the inboard, and the multistage push nut is contained in the outside, associated multistage push bolt is housed on its multistage push screw, and its short cylindrical shape end face contacts with super pad first reference level.
2, band according to claim 1 detects the multistage push fastener of interface, and it is characterized in that: locking tapered sleeve in the above, has the slit that an inside and outside penetrates vertically.
3, band according to claim 1 detects the multistage push fastener of interface, it is characterized in that: on multistage push nut first reference level, be shaped on a plurality of axial circular counter bore that becomes the concentric circle equal angles to distribute with its main screw, be shaped on a plurality of penetrate circular hole and a plurality of internal thread multistage push screws coaxial successively with it in its bottom.
4, band according to claim 1 detects the multistage push fastener of interface, it is characterized in that: the multistage push bolt, and screw thread is made in the centre; Different in size cylindrical of equal diameter is made at two respectively, and elongated cylindrical one crown end is made hexagon head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200375350U CN201339635Y (en) | 2009-02-10 | 2009-02-10 | Multistage pushing fastener with detection interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200375350U CN201339635Y (en) | 2009-02-10 | 2009-02-10 | Multistage pushing fastener with detection interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339635Y true CN201339635Y (en) | 2009-11-04 |
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ID=41235183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200375350U Expired - Fee Related CN201339635Y (en) | 2009-02-10 | 2009-02-10 | Multistage pushing fastener with detection interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339635Y (en) |
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2009
- 2009-02-10 CN CNU2009200375350U patent/CN201339635Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20180210 |