CN104260035A - Turbo-charged pneumatic wrench - Google Patents
Turbo-charged pneumatic wrench Download PDFInfo
- Publication number
- CN104260035A CN104260035A CN201410492866.9A CN201410492866A CN104260035A CN 104260035 A CN104260035 A CN 104260035A CN 201410492866 A CN201410492866 A CN 201410492866A CN 104260035 A CN104260035 A CN 104260035A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipeline
- turbo
- pneumatic impact
- impact spanner
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a turbo-charged pneumatic wrench. The turbo-charged pneumatic wrench comprises a turbo-charging device; one side of the turbo-charging device is connected with the input end of an air inlet pipeline and the output end of an exhausting pipeline, and while the other side of the turbo-charging device is connected with the output end of a pneumatic pump; air in the pneumatic pump flows into the air inlet pipeline through the turbo-charging device; the redundant waste air in a pneumatic engine flows into the turbo-charging device through the exhausting pipe to realize charging. The turbo-charged pneumatic wrench has the advantages that the existing impact type pneumatic wrench is improved, the turbo-charging device is used for charging, so that the pressure of the air conveyed to the air inlet pipeline of the wrench is raised, the pressure of the air conveyed to the pneumatic engine of the wrench during once pinching is kept constant, and as a result, the torque control performance is realized.
Description
Technical field
The present invention relates to pneumatic impact spanner field, be specifically related to a kind of turbocharging type pneumatic impact spanner.
Background technology
Along with the development of industrial technology, impact wrench such as hydraulic spanner, pneumatic impact spanner, the electric wrench of all size, model are used widely on the assembling line of product, and these impact wrench not only increase operating efficiency, also significantly reduce working strength.
Wherein, pneumatic impact spanner take compressed air as working media, complete screwed tight work by pneumatic motor drives operating mechanism (knocking unit), tool is widely used in many industries because having the advantages such as the moment of torsion output higher compared with electric wrench, the cost consumption lower compared with hydraulic spanner; Its shortcoming is that the torque be applied on threaded fastener is difficult to control, trace it to its cause is because the air pressure in pulsometer can automatically decline in a rundown process, and torque value is the air pressure size entered in pneumatic impact spanner with pulsometer controls, therefore, current most impact type pneumatic impact spanner does not possess the function of determining moment of torsion.
Summary of the invention
The object of the present invention is to provide a kind of turbocharging type pneumatic impact spanner, it makes improvement to existing impact type pneumatic impact spanner, makes the air pressure being delivered to spanner air motor in a rundown process keep constant, thus makes it to possess moment of torsion control performance.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of turbocharging type pneumatic impact spanner, it is connected with external pressure pump; Described pneumatic impact spanner comprise trigger, air inlet pipeline, gas exhaust piping, the air motor be connected respectively with the output of this air inlet pipeline and the input of gas exhaust piping and with described air motor arrange on the same axis knock unit, the input of described air inlet pipeline is connected with described air pressure delivery side of pump; It is characterized in that, described pneumatic impact spanner also comprises:
Turbo charging installation, its side is connected with the input of described air inlet pipeline and the output of described gas exhaust piping respectively, its opposite side is connected with described air pressure delivery side of pump, gas in pulsometer flows into air inlet pipeline by this turbo charging installation, and the unnecessary waste gas in air motor is flowed in this turbo charging installation by described gas exhaust piping and realizes supercharging.
Above-mentioned turbocharging type pneumatic impact spanner, wherein: described turbo charging installation comprises: the turbine room and the pumping chamber that are fixed on coaxial two ends;
One end of described turbine room is provided with the first air inlet, and this first air inlet is connected with described gas exhaust piping;
One end of described pumping chamber is provided with the second air inlet, and its other end is provided with gas outlet; The second described air inlet is connected with described air pressure delivery side of pump; Described gas outlet is connected with the input of described air inlet pipeline.
Above-mentioned turbocharging type pneumatic impact spanner, wherein: be provided with pneumatic three elements on described air inlet pipeline, to ensure that the gas atmosphere entering air motor is stablized.
Above-mentioned turbocharging type pneumatic impact spanner, wherein: described knock unit outward successively cover have torsionspring and outer ring.
Above-mentioned turbocharging type pneumatic impact spanner, wherein: also comprise the alarm lamp be located on described trigger, this alarm lamp is the visual timer of a use battery, it is by the time data timing corresponding to output torque, reset and timing when trigger starts, when arrival setting-up time, buzzing bright light.
The present invention compared with prior art has the following advantages: by turbo charging installation supercharging, the air pressure being delivered to spanner air inlet pipeline is increased, and carries out voltage stabilizing by pneumatic three elements to air pressure; Simultaneously when the output torque of pneumatic impact spanner reaches setting value, can realize the function automatically cutting off air inlet and automatic alarm, practicality is stronger.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention;
Fig. 2 is the fundamental diagram of the turbo charging installation in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1, a kind of turbocharging type pneumatic impact spanner, it is connected with external pressure pump 1; Described pneumatic impact spanner comprise trigger, air inlet pipeline 32, gas exhaust piping 31, the air motor 3 be connected respectively with the output of this air inlet pipeline 32 and the input of gas exhaust piping 31 and with described air motor 3 arrange on the same axis knock unit 4, the input of described air inlet pipeline 32 is connected with the output of described pulsometer 1.Described pneumatic impact spanner also comprises: turbo charging installation 2, and its side is connected with the input of described air inlet pipeline 32 and the output of described gas exhaust piping 31 respectively, and its opposite side is connected with the output of described pulsometer 1.
As shown in Figure 2, described turbo charging installation 2 comprises: the turbine room 24 and the pumping chamber 25 that are fixed on coaxial two ends; One end of described turbine room 24 is provided with the first air inlet 21, and this first air inlet 21 is connected with described gas exhaust piping; One end of described pumping chamber 25 is provided with the second air inlet 22, and its other end is provided with gas outlet 23; The second described air inlet 22 is connected with the output of described pulsometer 1; Described gas outlet 23 is connected with the input of described air inlet pipeline 32; Gas in pulsometer 1 flows into air inlet pipeline 32 by this pumping chamber, and the unnecessary waste gas in air motor 3 flows into turbine room by described gas exhaust piping 31 and carries out supercharging, and the decline air pressure transported from pulsometer 1 is increased.
Described air inlet pipeline 32 is provided with pneumatic three elements 6, and it is made up of filter, pressure regulator valve, oil sprayer, and wherein pressure regulator valve plays pressure stabilization function to ensure that the gas atmosphere entering air motor 3 is stablized, and makes it rotating speed constant and surely turn round.
The described outer cover successively of unit 4 that knocks has torsionspring and outer ring, and when normally working, air motor 3 drives outer ring, torsionspring and knocks unit 4 common rotation, then passes torque to bolt fastener by the rotor 5 knocked on unit 4; If when rotor 5 is subject to being greater than the maximum moment that torsionspring can bear, knock unit 4 and skid, cannot rotate, transmitting torque is not to bolt fastener, to realize the function of pneumatic impact spanner control torque.
Described pneumatic impact spanner also comprises the alarm lamp be located on its trigger, this alarm lamp is the visual timer of a use battery, it carries out timing by the time data corresponding to output torque, reset and timing when trigger starts, when arrival setting-up time, buzzing bright light is to allow operator know the output torque of now pneumatic impact spanner meets the demands, can close gas check valve.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a turbocharging type pneumatic impact spanner, it is connected with external pressure pump (1); Described pneumatic impact spanner comprise trigger, air inlet pipeline (32), gas exhaust piping (31), the air motor (3) be connected respectively with the output of this air inlet pipeline (32) and the input of gas exhaust piping (31) and with described air motor (3) arrange on the same axis knock unit (4), the input of described air inlet pipeline (32) is connected with the output of described pulsometer (1); It is characterized in that, described pneumatic impact spanner also comprises:
Turbo charging installation (2), its side is connected with the input of described air inlet pipeline (32) and the output of described gas exhaust piping (31) respectively, its opposite side is connected with the output of described pulsometer (1), gas in pulsometer (1) flows into air inlet pipeline (32) by this turbo charging installation (2), and the unnecessary waste gas in air motor (3) is flowed in this turbo charging installation (2) by described gas exhaust piping (31) and realizes supercharging.
2. turbocharging type pneumatic impact spanner as claimed in claim 1, is characterized in that: described turbo charging installation (2) comprises: the turbine room (24) and pumping chamber (25) that are fixed on coaxial two ends;
One end of described turbine room (24) is provided with the first air inlet (21), and this first air inlet (21) is connected with described gas exhaust piping;
One end of described pumping chamber (25) is provided with the second air inlet (22), and its other end is provided with gas outlet (23); Described the second air inlet (22) is connected with the output of described pulsometer (1); Described gas outlet (23) is connected with the input of described air inlet pipeline (32).
3. turbocharging type pneumatic impact spanner as claimed in claim 1, is characterized in that: on described air inlet pipeline (32), be provided with pneumatic three elements (6), to ensure that the gas atmosphere entering air motor (3) is stablized.
4. turbocharging type pneumatic impact spanner as claimed in claim 1, is characterized in that: described knock unit (4) outward successively cover have torsionspring and outer ring.
5. turbocharging type pneumatic impact spanner as claimed in claim 1, it is characterized in that: also comprise the alarm lamp be located on described trigger, this alarm lamp is the visual timer of a use battery, it carries out timing by the time data corresponding to output torque, reset and timing when trigger starts, when arrival setting-up time, buzzing bright light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492866.9A CN104260035B (en) | 2014-09-24 | 2014-09-24 | Turbocharging type pneumatic impact spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492866.9A CN104260035B (en) | 2014-09-24 | 2014-09-24 | Turbocharging type pneumatic impact spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260035A true CN104260035A (en) | 2015-01-07 |
| CN104260035B CN104260035B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410492866.9A Expired - Fee Related CN104260035B (en) | 2014-09-24 | 2014-09-24 | Turbocharging type pneumatic impact spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260035B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999407A (en) * | 2015-08-18 | 2015-10-28 | 国家电网公司 | Hold-pressing type screwdriver |
| CN107363775A (en) * | 2017-06-12 | 2017-11-21 | 珠海格力智能装备有限公司 | Screw turns device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087198A (en) * | 1977-01-03 | 1978-05-02 | Hollymatic Corporation | Speed governed rotary device |
| CN2796955Y (en) * | 2004-08-06 | 2006-07-19 | 徐明伟 | Improved pneumatic trigger |
| CN102476369A (en) * | 2010-11-23 | 2012-05-30 | 大里兴业有限公司 | Improved structure of pneumatic impact wrench |
| US20120174577A1 (en) * | 2009-07-02 | 2012-07-12 | Honeywell International Inc. | Turbocharger system for air-throttled engines |
-
2014
- 2014-09-24 CN CN201410492866.9A patent/CN104260035B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087198A (en) * | 1977-01-03 | 1978-05-02 | Hollymatic Corporation | Speed governed rotary device |
| CN2796955Y (en) * | 2004-08-06 | 2006-07-19 | 徐明伟 | Improved pneumatic trigger |
| US20120174577A1 (en) * | 2009-07-02 | 2012-07-12 | Honeywell International Inc. | Turbocharger system for air-throttled engines |
| CN102476369A (en) * | 2010-11-23 | 2012-05-30 | 大里兴业有限公司 | Improved structure of pneumatic impact wrench |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999407A (en) * | 2015-08-18 | 2015-10-28 | 国家电网公司 | Hold-pressing type screwdriver |
| CN104999407B (en) * | 2015-08-18 | 2016-09-14 | 国家电网公司 | Holding-pressing type screwdriver |
| CN107363775A (en) * | 2017-06-12 | 2017-11-21 | 珠海格力智能装备有限公司 | Screw turns device |
| CN107363775B (en) * | 2017-06-12 | 2018-12-07 | 珠海格力智能装备有限公司 | Screw turns device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260035B (en) | 2016-08-24 |
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Granted publication date: 20160824 Termination date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |