CN209387185U - A kind of moment of torsion control tightening nut device - Google Patents
A kind of moment of torsion control tightening nut device Download PDFInfo
- Publication number
- CN209387185U CN209387185U CN201920116058.0U CN201920116058U CN209387185U CN 209387185 U CN209387185 U CN 209387185U CN 201920116058 U CN201920116058 U CN 201920116058U CN 209387185 U CN209387185 U CN 209387185U
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- torque sensor
- moment
- nut
- connect
- tightening nut
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Abstract
The utility model discloses a kind of moment of torsion control tightening nut device, including nut screwing tool (1), static torque sensor (2), shaft coupling (3), dynamic torque sensor (4), motor (6) and speed reducer (7), nut screwing tool (1) one end is flute profile, with the flute profile cooperation to tightening nut, the other end is connect with static torque sensor (2), static torque sensor (2) is connect by shaft coupling (3) with dynamic torque sensor (4), the output shaft of speed reducer (7) is connect with dynamic torque sensor (4), the input shaft of speed reducer (7) is connect with motor (6).The moment of torsion control tightening nut device passes through flute profile and the nut screwing tool to the cooperation of tightening nut flute profile, it is connected dynamic and static torque sensor using shaft coupling, realize the control and nut tightening of the torque dynamically, under static state, the production efficiency of effective hoisting nut assembly, it reduces labor intensity, improves the reliability of assembling process.
Description
Technical field
The utility model belongs to Fixture Design technical field more particularly to a kind of moment of torsion control tightening nut device.
Background technique
Since helicopter hub dynamic component (support arm) internal nut assembly precision is high, the load of rundown process torque requires height,
Especially there is detailed requirement to the range of the dynamic torque of assembling process and final screw-down torque, uses traditional artificial assembly in the past
Consistency is poor, assembling quality is unstable, and pilot process can not be managed effectively.Meanwhile according to the series-produced production capacity of propeller hub support arm
Continuous expansion, present manual assembly method can not adapt to.In order to meet the efficiency and product quality of the assembly of propeller hub support arm
Stabilization, there is an urgent need to a kind of moment of torsion control tightening nut devices, effectively to promote the production of the assembly of dynamic component internal nut
Efficiency reduces labor intensity, and improves the reliability of assembling process, meets batch production and quality requirement.
Utility model content
In view of the above situation of the prior art, the purpose of the utility model is to provide a kind of moment of torsion control tightening nut dresses
It sets, effectively to promote the production efficiency of the assembly of dynamic component internal nut, reduces labor intensity, improve the reliable of assembling process
Property.
The above-mentioned purpose of the utility model is realized using following technical scheme:
A kind of moment of torsion control tightening nut device, including nut screwing tool, static torque sensor, shaft coupling, dynamic
Torque sensor, motor and speed reducer, wherein nut screwing tool one end is flute profile, is cooperated with the flute profile to tightening nut, separately
One end is connect with static torque sensor, and static torque sensor is connect by shaft coupling with dynamic torque sensor, speed reducer
Output shaft is connect with dynamic torque sensor, and the input shaft of speed reducer is connected to motor.Entire moment of torsion control tightening nut device
Liftable.
The moment of torsion control tightening nut device further includes hold-down support and liftable right angle rack, and moment of torsion control screws
The lifting of nut apparatus is realized by the right angle rack, and the shaft coupling is fixed on hold-down support, and hold-down support is solid
It is scheduled on the vertical plane of right angle rack, speed reducer is mounted on the horizontal plane of right angle rack, and output shaft passes through right angle rack and moves
The connection of state torque sensor.
The spiral shell that the moment of torsion control tightening nut device of the utility model passes through flute profile and the cooperation of dynamic component internal nut flute profile
Female tightening tool is connected dynamic and static torque sensor using shaft coupling, realize dynamic, it is static under torque control and nut
It screws, effectively promotes the production efficiency of the assembly of dynamic component internal nut, reduce labor intensity, improve the reliable of assembling process
Property.
Detailed description of the invention
Fig. 1 is the moment of torsion control tightening nut device of the utility model and the axonometric drawing of corollary apparatus；
Fig. 2 is the main view of the moment of torsion control tightening nut device of the utility model；
Fig. 3 is the axonometric drawing of the nut screwing tool of the moment of torsion control tightening nut device of the utility model；
Fig. 4 is the axonometric drawing of the corollary apparatus of the moment of torsion control tightening nut device of the utility model.
Specific embodiment
In order to be more clearly understood that the purpose of this utility model, technical solution and advantage, with reference to the accompanying drawings and embodiments,
The present invention will be further described in detail.
Fig. 1 is the moment of torsion control tightening nut device of the utility model and the axonometric drawing of corollary apparatus, and Fig. 2 is the torque control
The main view of tightening nut device processed.As depicted in figs. 1 and 2, the moment of torsion control tightening nut device of the utility model includes spiral shell
Female tightening tool 1, static torque sensor 2, shaft coupling 3, dynamic torque sensor 4, hold-down support 5, motor 6,7 and of speed reducer
Right angle rack 8.Wherein 1 one end of nut screwing tool is flute profile, is cooperated with dynamic component internal nut flute profile, the other end and static torsion
The boss of 2 lower end of square sensor connects (referring to Fig. 3).2 upper end of static torque sensor passes through boss and shaft coupling 3
Connection.3 top of shaft coupling is connect with dynamic torque sensor 4, and shaft coupling 3 is connected through a screw thread, and is fixed on hold-down support 5；
Hold-down support 5 is fixed on the vertical plane of liftable right angle rack 8, and speed reducer 7 is mounted on the horizontal plane of right angle rack 8,
The hole that output shaft passes through right angle rack 8 is connect with dynamic torque sensor 4, and the input shaft of speed reducer 7 is connect with motor 6.Slow down
Machine 7 can reduce by 6 revolving speed of motor, increase torque, meet the needs of tightening nut.
More specifically, the nut screwing tool 1 is machined by tool steel, one end is processed as gear, with dynamic component
The cooperation of (propeller hub support arm) internal nut tooth form, other end setting threaded hole are connect with static torque sensor flange bolt fastening.
The static torque sensor 2 is measured and is fed back to final torque minor change, and upper and lower side is flange with holes,
Upper surface is connect by boss with shaft coupling 3.
3 both ends of shaft coupling are two location holes, the shaft end method of 3 lower part of shaft coupling and 2 top of static torque sensor
Orchid connection, 3 top of shaft coupling is connect with dynamic torque sensor 4.The dynamic torque sensor 4 is to turning course change in torque
It measures and feeds back.
The hold-down support 5 is welded using steel part, is bolted dynamic torque sensor 4 being fixed on right angle
On the downside of 8 horizontal plane of bracket.
6 shaft end of servo motor penetrates 7 input hole location fit of speed reducer, positions after aligned by servo motor flange
Valve snail keyhole and speed reducer 7 are fixed.
The right angle rack 8 is welded using steel part, upper water Plane Installation speed reducer, vertical plane and connection sliding block 15
It is bolted, connection sliding block 15 is mounted on column 9, and the column 9 is made of casting machining, has guide rail, screw rod 10
It is mounted on guide rail interior with guide rod 11, connection sliding block 15, screw rod 10, guide rod 11, the guide rail formation vertical movement of column are secondary,
It is driven by lifting motor and carries out straight-line displacement, realize that right angle rack 8 moves up and down, referring to fig. 4.
The screw rod 10 is fabricated using steel, and bearing block is installed at both ends, and bearing block is mounted on column guide rail upper and lower side
Trapezoidal thread can be selected in portion, screw rod 10.
The guide rod 11 is fabricated using steel machinery, the grinding of guide rod surface, and surface smoothness is high, both ends
It is mounted on column guide rail upper and lower side, controls the linear movement of connection sliding block 15 direction, coefficient of friction is low.
Dynamic component (propeller hub support arm) is transported to positioning plate 12 by carrier chain 16 and realizes positioning, and positioning plate 12 uses steel machine
Tool processing and manufacturing, is mounted on hold-down cylinder piston rod end, is aligned with the positioning base positioning concave stations of propeller hub support arm, passes through hold-down cylinder
14 movement automatic positionings compress.Hold-down cylinder 14 is mounted on 13 front of pedestal, and column 9 is installed at 13 upper plane rear portion of pedestal, described
The welding of pedestal 13 or casting manufacture, realize support load-bearing and location and installation, referring to fig. 4.
The connection sliding block is fabricated using iron machine, and centre is provided with threaded hole and guiding rod aperture, and screw rod and is led
Cooperate to bar, realizes screw-driven.
The use of the moment of torsion control tightening nut device of the utility model including the following steps:
Step 1, device each section rest on initial position, and the propeller hub support arm for installing positioning base is placed on conveying
The starting point of chain 16；
Step 2, carrier chain 16 transmit automatically, and propeller hub support arm is delivered to designated mounting position together with positioning base；
Step 3, the automatic hold-down cylinder 14 that starts push positioning plate 12, positioning plate 12 be aligned the positioning base of propeller hub support arm into
Row automatic positioning and clamping；
Step 4 starts lifting motor after compressing in place automatically, drives to screw rod 10, is drivingly connected lower edge on sliding block 15
Guide rod 11 is moved to appropriate location；
Step 5 automatically turns on top servo motor 6, transmission power to nut screwing tool 1, while entire power head
According to screw thread speed ratio to bottom offset, tightening for propeller hub support arm locking nut is carried out.
Step 6, when into automatic tightening mode, propeller hub support arm locking nut is tightened with the increase for being screwed into axle sleeve depth
Torque increases therewith, and screw-down torque Real-time Feedback and record are guaranteed flywheel moment in work model by dynamic torque sensor at this time
In enclosing.After tightening in place, continue to load by static torque sensor, guarantees that flywheel moment reaches and require most to be worth, realize real-time
Feedback and record.
Step 7, work finish, and nut screwing tool 1 exits, and entire power head automatically returns to initial position, unclamp and compress
Cylinder 14 and positioning plate 12, are retracted into initial position.
Step 8, the automatic transmission of carrier chain 16 will install the propeller hub support arm that nut is completed and be delivered to designated position.Again into
Next assembly of row, repeats each step.
Claims (4)
1. a kind of moment of torsion control tightening nut device, it is characterised in that including nut screwing tool (1), static torque sensor
(2), shaft coupling (3), dynamic torque sensor (4), motor (6) and speed reducer (7), wherein nut screwing tool (1) one end be
Flute profile, with the flute profile cooperation to tightening nut, the other end is connect with static torque sensor (2), and static torque sensor (2) is logical
Shaft coupling (3) to be crossed to connect with dynamic torque sensor (4), the output shaft of speed reducer (7) is connect with dynamic torque sensor (4),
The input shaft of speed reducer (7) is connect with motor (6).
2. moment of torsion control tightening nut device described in accordance with the claim 1, it is characterised in that further include hold-down support (5) and can
The right angle rack (8) of lifting, the shaft coupling (3) are fixed on hold-down support (5), and hold-down support (5) is fixed on liftable
On the vertical plane of right angle rack (8), speed reducer (7) is mounted on the horizontal plane of right angle rack (8), and output shaft passes through right angle rack
(8) it is connect with dynamic torque sensor (4).
3. moment of torsion control tightening nut device according to claim 2, wherein shaft coupling (3) is connected through a screw thread, fixed
On hold-down support (5).
4. moment of torsion control tightening nut device described in accordance with the claim 1, wherein the material of the nut screwing tool (1) is
Tool steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116058.0U CN209387185U (en) | 2019-01-23 | 2019-01-23 | A kind of moment of torsion control tightening nut device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116058.0U CN209387185U (en) | 2019-01-23 | 2019-01-23 | A kind of moment of torsion control tightening nut device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387185U true CN209387185U (en) | 2019-09-13 |
Family
ID=67854002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920116058.0U Active CN209387185U (en) | 2019-01-23 | 2019-01-23 | A kind of moment of torsion control tightening nut device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209387185U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926772A (en) * | 2019-11-26 | 2020-03-27 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN113108164A (en) * | 2020-01-10 | 2021-07-13 | 上海汽车集团股份有限公司 | Sensor fixing device |
| CN113199235A (en) * | 2021-04-30 | 2021-08-03 | 西安理工大学 | Mechanism is disassembled to aircraft tire bolt with moment of torsion control function |
-
2019
- 2019-01-23 CN CN201920116058.0U patent/CN209387185U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926772A (en) * | 2019-11-26 | 2020-03-27 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN110926772B (en) * | 2019-11-26 | 2021-07-23 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN113108164A (en) * | 2020-01-10 | 2021-07-13 | 上海汽车集团股份有限公司 | Sensor fixing device |
| CN113199235A (en) * | 2021-04-30 | 2021-08-03 | 西安理工大学 | Mechanism is disassembled to aircraft tire bolt with moment of torsion control function |
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