CN201401418Y - Multilevel jacking tightener with detection interface - Google Patents

Multilevel jacking tightener with detection interface Download PDF

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Publication number
CN201401418Y
CN201401418Y CN2009200375365U CN200920037536U CN201401418Y CN 201401418 Y CN201401418 Y CN 201401418Y CN 2009200375365 U CN2009200375365 U CN 2009200375365U CN 200920037536 U CN200920037536 U CN 200920037536U CN 201401418 Y CN201401418 Y CN 201401418Y
Authority
CN
China
Prior art keywords
bolt
cylindrical
multistage push
multilevel
jacking
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.)
Expired - Fee Related
Application number
CN2009200375365U
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Chinese (zh)
Inventor
耿晓曦
陈进海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Gaosheng Machinery Co Ltd
Original Assignee
Nantong Gaosheng Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Gaosheng Machinery Co Ltd filed Critical Nantong Gaosheng Machinery Co Ltd
Priority to CN2009200375365U priority Critical patent/CN201401418Y/en
Application granted granted Critical
Publication of CN201401418Y publication Critical patent/CN201401418Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a multilevel jacking tightener with a detection interface, which can be directly installed and connected with an ultrasonic bolt detector for directly detecting and monitoring a plurality of pretightening parameters of the bolt synchronously. The multilevel jacking tightener comprises a cylindrical stud bolt, super pads, a multilevel jacking nut, a multilevel jacking bolt and a self-locking locknut. The middle part of the cylindrical stub bolt is arranged to be cylindrical, two ends of the stub bolts are provided with screw threads, a square head is arranged one ofthe threaded head face, and a detection interface is arranged on the other threaded head face for installing a magnetic detection probe of an ultrasonic bolt detector. The cylindrical part at the middle of the stub bolt is used for installing two pretightened binding pieces; super pads are respectively installed at the inner sides of the two threaded end parts of the stub bolt; the multilevel jacking nut is installed at the outer side of one threaded end part, a multilevel jacking screw hole of which is equipped with a matching multilevel jacking bolt, and the cylindrical head face of the threaded end part contacts with first reference planes of the super pads; and the self-locking locknut is installed at the outer side of the other threaded end part, one end of which is arranged to be a hexagonal head, the other end of the threaded end pat is arranged to be cylindrical, and the bottom of the threaded end part is arranged to be a loosening preventing conical surface with a conical degree of 1.5 degrees.

Description

A kind of with the multistage push fastener that detects interface
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 cylindrical stud bolt, super pad, multistage push nut, multistage push bolt and loose-proof self-lock nut.Cylindrical stud bolt is made cylindrical in the middle of it; Screw thread is made at two; At a head thread end face, be shaped on a square head, manual wrench turns it during for the cylindrical stud bolt of mounting or dismounting; 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 cylindrical 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 cylindrical stud bolt that the interface transmission provides, realize its a plurality of pretension parameters are directly detected monitoring synchronously.Cylindrical stud bolt one head thread and other end screw thread appellation and position are interchangeable.At the intermediate cylindrical position, be used to install first and second liang of pretension conjunctions; At screw thread position, two, the inboard is installed super pad respectively, and its second reference level is adjacent to mutually with second conjunction, first reference level and first conjunction, first reference level respectively; The outside, the multistage push nut is installed at one head thread position, and with close super pad first reference level of its second reference level, super pad is made by alloy material, its two reference level has extreme hardness and excellent toughness, and its first and second reference level appellation and position are interchangeable.The multistage push nut on its first reference level, is shaped on a plurality of axial circular counter bore that becomes the concentric circle equal angles to distribute with its main screw, is shaped on a plurality of internal thread multistage push screws coaxial with it and a plurality of circular hole that penetrates successively in its bottom.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, and first and second reference level appellation of multistage push nut and position are interchangeable.The multistage push bolt is made screw thread in the middle of it; Make interior hexagonal socket cap, it is turned for one for inner hexagon spanner; The other end is made cylindrical, its 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 cylindrical stud bolt pretension, can in the pretension 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; At screw thread position, other end, loose-proof self-lock nut is installed in the outside, and its bottom surface is adjacent to mutually with super pad first reference level.One of loose-proof self-lock nut is made hexagon head, and on the hexagon head hex surface, radially equal angles is shaped on a plurality of blind holes, is used to insert pole it is turned; The other end is made cylindrical, and 1.5 ° the locking conical surface is made in its bottom surface, is used to prevent that workpiece is loosening.During the cylindrical stud bolt of pretension, adopt manual or pneumatic inner hexagon spanner repeatedly to turn all multistage push bolts on the multistage push nut, rely on its cylindrical end face to withstand on super pad first reference level axial pushing tow that the multistage push nut produced is made a concerted effort and with cylindrical stud bolt pretension.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.
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 cylindrical 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. cylindrical stud bolts among the figure, 2. super pad, 3. multistage push nut, 4. multistage push bolt, 5. loose-proof self-lock nut, 6. ultrasound bolt detector, 7. first conjunction, 8. second conjunction, 11. intermediate cylindrical, 12. a head thread, 13. other end screw threads, 14. detect interface, 15. square head, 21. super pad first reference levels, 22. super pad second reference levels, 31. multistage push nut first reference level, 32. multistage push nuts, second reference level, 33. main screws, 34. the multistage push screw, 35. penetrate circular hole, 36. circular counter bore, 37. the bottom, 41. intermediate thread, 42. interior hexagonal socket caps, 43. the other end is cylindrical, 44. end faces, 51. bottom surfaces, 52. hexagon head, 53, cylindrical, 54. hex surface, 55. blind hole, the 56. locking conical surfaces, 61. magnetic detection probe, 62. detect the information transmission lead, 63. detect the information translation display screen, 71. first conjunctions, first reference level, 81. 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 cylindrical stud bolt (1), super pad (2), multistage push nut (3), multistage push bolt (4) and loose-proof self-lock nut (5).Cylindrical stud bolt (1) is made in the middle of it cylindrical (11); A head thread (12) is made at two, other end screw thread (13); At a head thread (12) end face, be shaped on a square head (15), at other end screw thread (13) end face, be shaped on one and detect interface (14), connect ultrasound bolt detector (6) magnetic detection probe (61) for installing.At intermediate cylindrical (11) position, be used to install first conjunction (7) and second conjunction (8); At two head threads, one head thread (12) and other end screw thread (13) position, the inboard is installed super pad (2) respectively, and its second reference level (22) is adjacent to mutually with second conjunction (8) first reference levels (81) and first conjunction (7) first reference levels (71) respectively; The outside, multistage push nut (3) is installed at a head thread (12) position, and with close super pad (2) first reference levels (21) of its second reference level (32).Multistage push nut (3), on its first reference level (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 internal thread multistage push screws (34) coaxial and a plurality of circular hole (35) that penetrates 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 multistage push nut (3) size.Multistage push bolt (4) is made screw thread (41) in the middle of it; Make interior hexagonal socket cap (42) for one; Make the other end cylindrical (43), and its end face (44) contacts with super pad (2) first reference levels (21).At other end screw thread (13) position, loose-proof self-lock nut (5) is installed in the outside, and its bottom surface (51) are adjacent to mutually with super pad (2) first reference levels (21).(5) one of loose-proof self-lock nuts are made hexagon head (52), and on hexagon head (52) hex surface (54), radially equal angles is shaped on a plurality of blind holes (55); Make the other end cylindrical (53), in its bottom surface (51), makes 1.5 ° of locking conical surfaces (56).During the cylindrical stud bolt of pretension (1), adopt manual or pneumatic inner hexagon spanner repeatedly to turn multistage push nut (3) and go up all multistage push bolts (4), rely on its other end cylindrical (43) end faces (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 cylindrical stud bolt (1) pretension.The pretightening force that it produced, pretension stress and pretension elongation three pretension parameter informations, then by with detection interface (14) joining ultrasound bolt detector (6) magnetic detection of its other end screw thread (13) end face probe (61), after directly detecting synchronously, with detected three pretension parameter informations, information transmission lead (62) after testing, directly synchronous transfer detects information translation display screen (63) to ultrasound bolt detector (6), directly detects synchronously to show and monitoring.

Claims (4)

1, a kind of with the multistage push fastener that detects interface, it is made up of cylindrical stud bolt, super pad, multistage push nut, multistage push bolt and loose-proof self-lock nut, it is characterized in that: cylindrical stud bolt, make cylindrical in the middle of it; Screw thread is made at two; At a head thread end face, be shaped on a square head; At other end screw thread end face, be shaped on a minute surface and detect interface, at screw thread position, two, the inboard is installed super pad respectively, the outside, the multistage push nut is installed at one head thread position, and associated multistage push bolt is housed on its multistage push screw, and its cylindrical end face contacts with super pad first reference level; At screw thread position, other end, loose-proof self-lock nut is installed in the outside.
2, band according to claim 1 detects the multistage push fastener of interface, it is characterized in that: the multistage push nut, on its 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 internal thread multistage push screws coaxial and a plurality of circular hole that penetrates successively with it in its bottom.
3, band according to claim 1 detects the multistage push fastener of interface, it is characterized in that: the multistage push bolt, make screw thread in the middle of it; Make interior hexagonal socket cap for one, the other end is made cylindrical.
4, band according to claim 1 detects the multistage push fastener of interface, and it is characterized in that: one of loose-proof self-lock nut is made hexagon head, and on the hexagon head hex surface, radially equal angles is shaped on a plurality of blind holes; The other end is made cylindrical, and 1.5 ° the locking conical surface is made in its bottom surface.
CN2009200375365U 2009-02-10 2009-02-10 Multilevel jacking tightener with detection interface Expired - Fee Related CN201401418Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200375365U CN201401418Y (en) 2009-02-10 2009-02-10 Multilevel jacking tightener with detection interface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200375365U CN201401418Y (en) 2009-02-10 2009-02-10 Multilevel jacking tightener with detection interface

Publications (1)

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485127A (en) * 2015-12-29 2016-04-13 武汉正通传动技术有限公司 Nut for locking operation
CN110821938A (en) * 2019-11-18 2020-02-21 大连明珠机械有限公司 Anti-loosening fastening bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485127A (en) * 2015-12-29 2016-04-13 武汉正通传动技术有限公司 Nut for locking operation
CN110821938A (en) * 2019-11-18 2020-02-21 大连明珠机械有限公司 Anti-loosening fastening bolt

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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: 20100210

Termination date: 20180210