CN2332538Y - Fixed torque pneumatic impact wrench - Google Patents
Fixed torque pneumatic impact wrench Download PDFInfo
- Publication number
- CN2332538Y CN2332538Y CN 98200875 CN98200875U CN2332538Y CN 2332538 Y CN2332538 Y CN 2332538Y CN 98200875 CN98200875 CN 98200875 CN 98200875 U CN98200875 U CN 98200875U CN 2332538 Y CN2332538 Y CN 2332538Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- wind motor
- decelerator
- housing
- output shaft
- 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
Links
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a fixed torque pneumatic wrench, comprising a handle 3, a wind motor 5, a retarder 6, a sensor 7, an output shaft 8, a shell 9, a pneumatic reversing valve 2, an electric control device 1, a rubber hose 10 and a lead wire 11. The wind motor 5, the retarder 6, the sensor 7 and the output shaft 8 are arranged in respective shell 9 via a bearing. The wind motor 5, the retarder 6, the sensor 7 and the shell of the output shaft 8 are connected via screw threads. The rotating shaft of the wind motor 5 and the rotating shaft of the retarder 6 are connected via a shaft sleeve, the rotating shaft of the retarder 6 and a strain shaft in the sensor 7 are connected via a sleeve shaft, and the strain shaft in the sensor 7 and the output shaft 8 are connected via a sleeve shaft. The utility model has the advantages of simple structure, low cost, and favorable performance.
Description
The utility model relates to the assembly tool of mechanical industry, specifically be a kind of decide moment of torsion decide to turn round pneumtic impact wrench.
At present, that uses in the production is generally the indefinite pneumtic impact wrench of turning round, and can not satisfy the requirement of important assembly work.As the assembling of bridge before and after the automobile and the assembling of cylinder head and cylinder, do not turn round pneumtic impact wrench surely, be difficult to reach designing requirement during assembling, car mass and security performance can not get guaranteeing.
The purpose of this utility model is at using the indefinite pneumtic impact wrench of turning round, can not satisfy the problem of important assembly work requirement, a kind of simple structure is provided, and cost is low, and performance is good, and that can improve the quality of products decides to turn round pneumtic impact wrench.
Surely the pneumtic impact wrench of turning round described in the utility model comprises handle, wind motor, decelerator, sensor, output shaft, housing, air operated reversing valve, electric controller and rubber hose and lead.Wind motor, decelerator, sensor, output shaft are loaded in separately the housing by bearing.Wind motor lower housing portion and handle are connected.On the wind motor housing air circuit breaker is housed.The top of wind motor housing is connected with the bottom of reducer shell.The top of reducer shell is connected with the bottom of sensor housing.The top of sensor housing is connected with the output shaft lower part of frame.Wind motor rotating shaft and decelerator rotating shaft, the strain axis in decelerator rotating shaft and the sensor, and the strain axis in the sensor and output shaft interconnect successively.Wind motor is connected with air operated reversing valve by the rubber hose as gas circuit.Sensor links to each other with electric controller by lead.
Said decelerator is a planetary reducer.
Sensor is the strain axis that posts foil gauge.
Output shaft can be straight peen output, also can be the elbow output through a pair of bevel gear break-in.
Being connected between the housing of wind motor, decelerator, sensor, output shaft is threaded.Wind motor rotating shaft and decelerator rotating shaft, the strain axis in decelerator rotating shaft and the sensor, and can be connected by axle sleeve between the strain axis in the sensor and the output shaft.
Air operated reversing valve also can be loaded in the housing of wind motor.
Decide to turn round pneumtic impact wrench by what wind motor constituted, before the work, set up the moment of torsion number by designing requirement by electric controller.During use, the operator hands handle, open air circuit breaker, compressed air promotes the motor rotation, drive spanner and nut that is tightened or bolt rotation through decelerator, sensor, output shaft, when reaching the torque value of setting, by the resistance strain gage in the sensor, change mechanically deform into the signal of telecommunication, input in the electric controller, electric controller sends signal and makes the action of ecp reversal valve, cuts off gas circuit, make and turn round pneumtic impact wrench surely and quit work, finish the assembly work of a nut or bolt by designing requirement.Repeating said process can tighten up a plurality of nuts or bolt with identical moment of torsion number, thereby has guaranteed assembly quality.
Electric controller mainly comprises operational amplifier and one-chip computer, and each device all has the commercially available prod.The signal of telecommunication that operational amplifier is sent sensor here amplifies, and delivers to one-chip computer through the A/D analog-to-digital conversion, and one-chip computer carries out computing, compares the action of final output signal control air operated reversing valve with setting value.
The utility model is turned round pneumtic impact wrench surely, simple structure, and cost is low, and performance is good, can improve the quality of products and satisfy important assembly work requirement.
Fig. 1 is the organigram that the utility model is turned round pneumtic impact wrench surely.
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the pneumtic impact wrench of turning round surely described in the utility model comprises handle 3, wind motor 5, decelerator 6, sensor 7, output shaft 8, housing 9, air operated reversing valve 2, electric controller 1, and rubber hose 10 and lead 11.Wind motor 5, decelerator 6, sensor 7, output shaft 8 are loaded in separately the housing 9 by bearing.Wind motor 5 lower housing portion and handle 3 are connected.On wind motor 5 housings air circuit breaker 4 is housed.The top of wind motor 5 housings is connected with decelerator 6 lower part of frame.The top of decelerator 6 housings is connected with sensor 7 lower part of frame.The top of sensor 7 housings is connected with output shaft 8 lower part of frame.The rotating shaft of the rotating shaft of wind motor 5 and decelerator 6, the strain axis in the rotating shaft of decelerator 6 and the sensor 7, and the strain axis in the sensor 7 and output shaft 8 interconnect successively.Wind motor 5 is connected with air operated reversing valve 2 by the rubber hose 10 as gas circuit.Sensor 7 links to each other with electric controller 1 by lead 11.What change the size of wind motor 5 and change that planetary progression and module in the decelerator 6 can obtain different size decides to turn round pneumtic impact wrench.Decelerator 6 also can be other forms of decelerator.During work, turn round pneumtic impact wrench surely and can one use separately, several centralized Control also capable of being combined are used, together to raise the efficiency.During use, can hand-held, also can install the hanger hoist cable additional, alleviate operator's labour intensity.
Wind motor in the utility model can change electro-motor into.On the electro-motor housing contactor is housed.Sensor links to each other with electric controller by lead.Rotation by sensor and electric controller control electro-motor or stop.
Claims (6)
1. turn round pneumtic impact wrench surely for one kind, it is characterized in that: comprise handle, wind motor, decelerator, sensor, output shaft, housing, air operated reversing valve, electric controller and rubber hose and lead; Wind motor, decelerator, sensor, output shaft are loaded in separately the housing by bearing; Wind motor lower housing portion and handle are connected, on the wind motor housing air circuit breaker is housed, the top of wind motor housing is connected with the bottom of reducer shell, and the top of reducer shell is connected with the bottom of sensor housing, and the top of sensor housing is connected with the output shaft lower part of frame; Wind motor rotating shaft and decelerator rotating shaft, the strain axis in decelerator rotating shaft and the sensor, and the strain axis in the sensor and output shaft interconnect successively; Wind motor is connected with air operated reversing valve by the rubber hose as gas circuit; Sensor links to each other with electric controller by lead.
2. by the described pneumtic impact wrench of turning round surely of claim 1, it is characterized in that: said decelerator is a planetary reducer.
3. by the described pneumtic impact wrench of turning round surely of claim 1, it is characterized in that: sensor is the strain axis that posts foil gauge.
4. by the described pneumtic impact wrench of turning round surely of claim 1, it is characterized in that: output shaft can be straight peen output, also can be the elbow output through a pair of bevel gear break-in.
5. by the described pneumtic impact wrench of turning round surely of claim 1, it is characterized in that: being connected between wind motor, decelerator, sensor, the output shaft housing is threaded; Wind motor rotating shaft and decelerator rotating shaft, the strain axis in decelerator rotating shaft and the sensor, and can be connected by axle sleeve between the strain axis in the sensor and the output shaft.
6. by the described pneumtic impact wrench of turning round surely of claim 1, it is characterized in that: air operated reversing valve also can be loaded in the housing of wind motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200875 CN2332538Y (en) | 1998-02-10 | 1998-02-10 | Fixed torque pneumatic impact wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200875 CN2332538Y (en) | 1998-02-10 | 1998-02-10 | Fixed torque pneumatic impact wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2332538Y true CN2332538Y (en) | 1999-08-11 |
Family
ID=33958306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98200875 Expired - Fee Related CN2332538Y (en) | 1998-02-10 | 1998-02-10 | Fixed torque pneumatic impact wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2332538Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894960A (en) * | 2014-04-15 | 2014-07-02 | 上海理工大学 | Multifunctional bolt tightening torque electric calibrator |
| CN104816272A (en) * | 2015-05-27 | 2015-08-05 | 国网安徽省电力公司蚌埠供电公司 | Hot-line work bolt fastening device |
-
1998
- 1998-02-10 CN CN 98200875 patent/CN2332538Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894960A (en) * | 2014-04-15 | 2014-07-02 | 上海理工大学 | Multifunctional bolt tightening torque electric calibrator |
| CN103894960B (en) * | 2014-04-15 | 2016-06-29 | 上海理工大学 | The electronic prover of Multifunctional bolt screw-down torque |
| CN104816272A (en) * | 2015-05-27 | 2015-08-05 | 国网安徽省电力公司蚌埠供电公司 | Hot-line work bolt fastening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |