CN107052775B - Anti-slip coefficient bolt tightening instrument - Google Patents
Anti-slip coefficient bolt tightening instrument Download PDFInfo
- Publication number
- CN107052775B CN107052775B CN201710035663.0A CN201710035663A CN107052775B CN 107052775 B CN107052775 B CN 107052775B CN 201710035663 A CN201710035663 A CN 201710035663A CN 107052775 B CN107052775 B CN 107052775B
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- CN
- China
- Prior art keywords
- sleeve
- sliding key
- bolt
- plate
- control cabinet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/067—Bolt tensioners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/065—Arrangements for torque limiters or torque indicators in screw or nut setting machines
- B23P19/066—Arrangements for torque limiters or torque indicators in screw or nut setting machines by electrical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses an anti-slip coefficient bolt tightening instrument which comprises a control cabinet, wherein the front part and the rear part of a panel of the control cabinet are respectively provided with an L-shaped plate, and the upper ends of the L-shaped plates are respectively provided with a first transverse plate; a motor and a gearbox connected with the motor are arranged in the control cabinet, the gearbox is connected with a screw rod, and a rotating handle is sleeved on the screw rod; the upper part of the rotating handle is provided with a lower sleeve; the upper part of the lower sleeve is provided with a torque transmission device, the torque transmission device comprises a stand column and a sliding key sleeve, the lower part of the stand column is provided with a sliding key, the sliding key sleeve matched with the sliding key is movably sleeved outside the sliding key, the lower part of the sliding key sleeve is provided with an upper sleeve, and the upper sleeve is matched with the lower sleeve; the upper end of the upright post is provided with a second transverse plate; the center of the upper part of the second transverse plate is provided with a connecting rod, the connecting rod penetrates through a reversed convex groove of the platform to be connected with a torque sensor, and the torque sensor is connected with a torque display; the boss of the groove is provided with a bearing, and the bearing is provided with a spiral thread compacting plate.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to an anti-slip coefficient bolt tightening instrument.
Background
The anti-slip coefficient test of the high-strength bolt connection friction surface adopts a tensile test piece spliced by two bolts with double friction surfaces, and adopts a high-strength bolt connection pair with the same batch of the same performance level, the surface of the test piece is smooth, no greasy dirt exists, the edges of the hole and the plate are free of burrs, and the fastening bolt is an important step of the anti-slip coefficient test of the high-strength bolt connection friction surface. And (3) fastening the high-strength bolts, namely primary screwing and final screwing: the initial screwing is up to 50% of the standard value of the pretension force of the bolts, and the pretension force value of each bolt of the test piece is controlled to be 0.95P-1.05P (P is the designed pretension force value of the high-strength bolts) by adopting the actual measurement of a resistance strain gauge for the high-strength bolts provided with the pressure sensor or the resistance sheet. At present, a special manual torque wrench or an electric wrench is often used for fastening the bolt, and the fastening mode is time-consuming and labor-consuming.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides an anti-slip coefficient bolt tightening instrument which can be operated rapidly and efficiently, and realizes mechanization and intellectualization.
The aim of the invention is achieved by the following technical scheme:
the anti-slip coefficient bolt tightening instrument comprises a control cabinet, wherein the front part and the rear part of the panel of the control cabinet are respectively provided with an L-shaped plate, and the upper end of the L-shaped plate is provided with a first transverse plate; a motor and a gearbox connected with the motor are arranged in the control cabinet, the gearbox is connected with a screw rod, and a rotating handle is sleeved on the screw rod; the upper part of the rotating handle is provided with a lower sleeve; the torque transmission device is arranged above the lower sleeve and comprises a stand column and a sliding key sleeve, the lower part of the stand column is provided with a sliding key, the sliding key sleeve matched with the sliding key is movably sleeved outside the sliding key, the lower part of the sliding key sleeve is provided with an upper sleeve, and the upper sleeve is matched with the lower sleeve; the upper end of the upright post is provided with a second transverse plate; the center of the upper part of the second transverse plate is provided with a connecting rod, the connecting rod penetrates through a reversed convex groove of the platform to be connected with a torque sensor, and the torque sensor is connected with a torque display; the boss of the groove is provided with a bearing, and the bearing is provided with a spiral screw thread compacting plate.
Further, the L-shaped plate is fixed on the panel of the control cabinet through a first bolt.
Further, the L-shaped plate and the first transverse plate are made of 45 # steel.
Further, the first transverse plate is fixed to the upper end of the L-shaped plate through a second bolt.
Further, the cross section of the sliding key is in an outer hexagonal quincuncial shape, and the cross section of the sliding key sleeve is in an inner hexagonal quincuncial shape.
Further, the first transverse plate is of a cuboid structure.
Further, the second transverse plate is fixedly connected with the upright post through a fourth bolt.
The invention has the beneficial effects that: the anti-slip coefficient bolt tightening instrument is used, so that the complicated steps of installing a pressure sensor or attaching a resistor disc when tightening bolts, performing primary screwing, final screwing and the like by using a special manual torque wrench or an electric wrench are omitted; the primary screwing and the final screwing of the bolts are realized rapidly and efficiently by mechanized and intelligent operation, and the fastening quality of the bolts is ensured; the whole structure is simple, and the operability is strong; easy disassembly and assembly, labor and material saving and good economical efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of an anti-slip coefficient bolt-up instrument according to an embodiment of the present invention;
FIG. 2 is a front view of an anti-slip coefficient bolt-up instrument according to an embodiment of the present invention;
FIG. 3 is a front view of an L-shaped plate of an anti-slip coefficient bolt-up instrument according to an embodiment of the present invention;
FIG. 4 is a side view of an L-shaped plate of an anti-slip coefficient bolt-up instrument according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a section A of an anti-slip coefficient bolt-up device according to an embodiment of the present invention;
1. an L-shaped plate; 2. a first cross plate; 3. a sliding key sleeve; 4. a sliding key; 5. a column; 6. a first bolt; 7. a second bolt; 8. a second cross plate; 9. a control cabinet; 10. rotating the handle; 11. a lower sleeve; 12. a torque transmitting device; 13. a connecting rod; 14. a torque sensor; 15. a test piece; 16. a support device; 17. a third bolt; 18. a nut; 19. an upper sleeve; 20. a fourth bolt; 21. a platform; 22. a groove; 23. a bearing; 24. the screw thread compresses tightly the board.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1-2, the anti-slip coefficient bolt tightening instrument according to the embodiment of the invention comprises a control cabinet 9, wherein the front part and the rear part of a panel of the control cabinet 9 are respectively provided with an L-shaped plate 1, and the upper ends of the L-shaped plates 1 are respectively provided with a first transverse plate 2; the L-shaped plate 1 and the first transverse plate 2 are made of 45 # steel and are fixed through a second bolt 7.
A motor and a gearbox connected with the motor are arranged in the control cabinet 9, the gearbox is connected with a screw rod, and a rotating handle 10 is sleeved on the screw rod; the upper part of the rotary handle 10 is provided with a lower sleeve 11; the upper part of the lower sleeve 11 is provided with a torque transmission device 12, the torque transmission device 12 comprises a stand column 5 and a sliding key sleeve 3, the lower part of the stand column 5 is provided with a sliding key 4, the sliding key sleeve 3 matched with the sliding key 4 is movably sleeved outside the sliding key 4, the cross section of the sliding key 4 is in an outer hexagonal quincuncial shape, and the cross section of the sliding key sleeve 3 is in an inner hexagonal quincuncial shape. An upper sleeve 19 is arranged at the lower part of the sliding key sleeve 3, and the upper sleeve 19 is matched with the lower sleeve 11; the axes of the upper sleeve 19, the sliding key sleeve 3 and the upright post 5 are positioned on the same straight line.
The upper end of the upright post 5 is provided with a second transverse plate 8; the center of the upper part of the second transverse plate 8 is provided with a connecting rod 13, the connecting rod 13 passes through a reversed convex groove 22 of a platform 21 to be connected with a torque sensor 14, and the torque sensor 14 is connected with a torque display; the boss of the groove 22 is provided with a bearing 23, and the bearing 23 is provided with a spiral thread pressing plate 24.
During concrete installation, the L-shaped plate 1 is erected on a panel of the control cabinet 9, the L-shaped plate 1 is connected with the panel of the control cabinet 9 through three first bolts 6, the upper end of the L-shaped plate 1 is connected with the first cuboid transverse plate 2 through two second bolts 7 to form a supporting device 16 of the anti-slip coefficient bolt tightening instrument, the upright post 5 is connected with the torque sensor 14 through the second transverse plate 8, the inner hexagonal plum blossom-shaped sliding key sleeve 3 is buckled with the outer hexagonal plum blossom-shaped sliding key 4 at the lower part of the upright post 5, an upper sleeve 19 is connected below the sliding key sleeve 3, and the upper sleeve 19, the sliding key sleeve 3 and the upright post 4 with the sliding key are strictly centered in the vertical direction to form a torque transmission device of the anti-slip coefficient bolt tightening instrument.
When the test piece is specifically used, the test piece 15 is placed on the first transverse plates 2 on two sides of the supporting device 16, the handle 10 is rotated firstly, the lower sleeve 11 is driven to move upwards, the lower sleeve 11 is clamped with the third bolt 17, and the handle 10 is rotated to fix the third bolt 17; the sliding key sleeve 3 is adjusted along the sliding key 4, so that the lower end of the sliding key sleeve 3 is completely contacted and fixed with the upper sleeve 19, and the upper sleeve 19, the sliding key sleeve 3 and the upright post 5 are adjusted, so that the three are strictly centered with the nut in the vertical direction. After fixing the bolt from top to bottom, the motor is started, the gearbox is used for driving the screw rod to rotate, torque is applied to the bolt, the torque received by the bolt is transmitted to the torque sensor 14 through the upper sleeve 19, the sliding key sleeve 3 and the upright post 5 with the sliding key, and the torque received by the bolt is displayed on the torque display.
In summary, by means of the above technical scheme of the present invention, the anti-slip coefficient bolt tightening apparatus is used, so that the complicated steps of installing a pressure sensor or attaching a resistor disc when tightening a bolt, performing initial screwing, final screwing, etc. by using a special manual torque wrench or an electric wrench are omitted; the primary screwing and the final screwing of the bolts are realized rapidly and efficiently by mechanized and intelligent operation, and the fastening quality of the bolts is ensured; the whole structure is simple, and the operability is strong; easy disassembly and assembly, labor and material saving and good economical efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The anti-slip coefficient bolt tightening instrument comprises a control cabinet (9), and is characterized in that an L-shaped plate (1) is respectively arranged at the front part and the rear part of a panel of the control cabinet (9), and a first transverse plate (2) is respectively arranged at the upper end of the L-shaped plate (1); a motor and a gearbox connected with the motor are arranged in the control cabinet (9), the gearbox is connected with a screw rod, and a rotating handle (10) is sleeved on the screw rod; the upper part of the rotary handle (10) is provided with a lower sleeve (11); the upper part of the lower sleeve (11) is provided with a torque transmission device (12), the torque transmission device (12) comprises a stand column (5) and a sliding key sleeve (3), the lower part of the stand column (5) is provided with a sliding key (4), the sliding key sleeve (3) matched with the sliding key (4) is movably sleeved outside the sliding key, the lower part of the sliding key sleeve (3) is provided with an upper sleeve (19), and the upper sleeve (19) is matched with the lower sleeve (11); the upper end of the upright post (5) is provided with a second transverse plate (8); the center of the upper part of the second transverse plate (8) is provided with a connecting rod (13), the connecting rod (13) penetrates through a reversed convex groove (22) of the platform (21) to be connected with a torque sensor (14), and the torque sensor (14) is connected to a torque display; the boss of the groove (22) is provided with a bearing (23), the bearing (23) is provided with a spiral screw thread pressing plate (24), the cross section of the sliding key (4) is in an outer hexagonal quincuncial shape, the cross section of the sliding key sleeve (3) is in an inner hexagonal quincuncial shape, and the first transverse plate (2) is in a cuboid structure.
2. The anti-slip coefficient bolt-up device according to claim 1, wherein the L-shaped plate (1) is fixed to the panel of the control cabinet by a first bolt (6).
3. The anti-slip coefficient bolt-up device according to claim 2, wherein the L-shaped plate (1) and the first cross plate (2) are both made of 45-gauge steel.
4. A slip coefficient resistant bolt tightening instrument according to claim 3, characterized in that the first cross plate (2) is fixed to the upper end of the L-shaped plate (1) by means of a second bolt (7).
5. The anti-slip coefficient bolt-up device according to claim 1, wherein the second cross plate (8) is fixedly connected with the upright (5) by a fourth bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035663.0A CN107052775B (en) | 2017-01-17 | 2017-01-17 | Anti-slip coefficient bolt tightening instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035663.0A CN107052775B (en) | 2017-01-17 | 2017-01-17 | Anti-slip coefficient bolt tightening instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052775A CN107052775A (en) | 2017-08-18 |
| CN107052775B true CN107052775B (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035663.0A Active CN107052775B (en) | 2017-01-17 | 2017-01-17 | Anti-slip coefficient bolt tightening instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709030A (en) * | 2019-02-15 | 2019-05-03 | 南通市产品质量监督检验所 | A kind of high strength exploitation rubbing surface anti-slip coefficient detection integration test machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000218561A (en) * | 1999-02-04 | 2000-08-08 | Honda Motor Co Ltd | Torque ensured tightening device |
| CN201163265Y (en) * | 2007-12-14 | 2008-12-10 | 洪亮 | Torque coefficient tester for high strength bolt connection set |
| CN205449368U (en) * | 2015-12-21 | 2016-08-10 | 太仓中博铁路紧固件有限公司 | Nut moment of torsion detection device |
| CN205438370U (en) * | 2016-04-13 | 2016-08-10 | 长安大学 | Automatic device of screwing up of bolt |
| CN206509718U (en) * | 2017-01-17 | 2017-09-22 | 中铁十六局集团第二工程有限公司 | A kind of anti-slip coefficient bolt fastens instrument |
-
2017
- 2017-01-17 CN CN201710035663.0A patent/CN107052775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000218561A (en) * | 1999-02-04 | 2000-08-08 | Honda Motor Co Ltd | Torque ensured tightening device |
| CN201163265Y (en) * | 2007-12-14 | 2008-12-10 | 洪亮 | Torque coefficient tester for high strength bolt connection set |
| CN205449368U (en) * | 2015-12-21 | 2016-08-10 | 太仓中博铁路紧固件有限公司 | Nut moment of torsion detection device |
| CN205438370U (en) * | 2016-04-13 | 2016-08-10 | 长安大学 | Automatic device of screwing up of bolt |
| CN206509718U (en) * | 2017-01-17 | 2017-09-22 | 中铁十六局集团第二工程有限公司 | A kind of anti-slip coefficient bolt fastens instrument |
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| Publication number | Publication date |
|---|---|
| CN107052775A (en) | 2017-08-18 |
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