CN103522243A - Pneumatic type torque wrench - Google Patents
Pneumatic type torque wrench Download PDFInfo
- Publication number
- CN103522243A CN103522243A CN201310495138.9A CN201310495138A CN103522243A CN 103522243 A CN103522243 A CN 103522243A CN 201310495138 A CN201310495138 A CN 201310495138A CN 103522243 A CN103522243 A CN 103522243A
- Authority
- CN
- China
- Prior art keywords
- square
- head
- motor device
- pneumatic motor
- torque wrench
- 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
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- 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
- B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
Abstract
The invention discloses a pneumatic type torque wrench. The pneumatic type torque wrench comprises a head portion and a handle, wherein the head portion is fixedly arranged at one end of the handle. The head portion comprises a pneumatic motor device and a gear device, wherein the front end of the pneumatic motor device is connected with the gear device. An air cylinder is fixedly arranged inside a motor chamber of the pneumatic motor device and movably connected with a rotor, and the rotor is fixedly provided with a plurality of blades. A ring gear is fixedly arranged inside a cavity of the gear device and internally meshed with a plurality of planetary gears, and every two planetary gears are meshed. The planetary gears are fixedly connected with one end of a square-head shaft, and the other end of the square-head shaft is a square-head connection portion. The square-head shaft is connected with an output shaft of the rotor. According to the pneumatic type torque wrench, the pneumatic motor device is arranged on the basis of a definite torsion torque wrench, the gear device transmits the output power of the pneumatic motor device, the pneumatic motor device locks a threaded fastener automatically, and therefore the work efficiency can be improved.
Description
Technical field
The present invention relates to a kind of torque wrench, be specifically related to a kind of pneumatic type torque wrench.
Background technology
Torque wrench is also torque spanner, torque spanner or torque spanner.Moment is exactly the product of power and distance, when the threaded fasteners such as holding screw, bolt, nut, needs to control the moment size applying, to guarantee screw threads for fastening and to be unlikely to destroy because moment is excessive screw thread, so operate with torque wrench.
Existing torque wrench as shown in Figure 1, comprises ratchet pawl head 31, handle 32.It is preset torque spanner, by being arranged at the spring assembly at handle 32 positions, presets certain value as the torque value upper limit.When the moment of torsion applying reaches this preset value, spanner can send " Ka Ta " sound or spanner junction bending one angle, and just representative is fastening not afterburning again for this.
The torque wrench of this structure in use needs both hands to pull back and forth spanner, in this process, both consumes one's strength, and loses time again.And torque wrench is less than preset value and can ring, so really use the time of torque spanner, be exactly the last value of reading.Yet the early stage of locking screw securing member is comparatively loaded down with trivial details.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pneumatic type torque wrench, and it can be increased work efficiency.
For solving the problems of the technologies described above, the technical solution of pneumatic type torque wrench of the present invention is:
Comprise head 1, handle 2, head 1 is fixedly installed on one end of handle 2; Head 1 comprises Pneumatic motor device and geared system, the front end connection teeth wheel apparatus of Pneumatic motor device; Pneumatic motor device comprises cylinder 105, and cylinder 105 is fixedly installed in housing 106; The front end of cylinder 105 is provided with protecgulum 107, and the rear end of cylinder 105 is provided with bonnet 102; In cylinder 105, be provided with rotor 103, on rotor 103, be fixedly installed a plurality of blades 104; Housing 106 connects one end of tracheae 3, and tracheae 3 is used to cylinder 105 that controllable power source is provided; Geared system comprises head shell 202, and head shell 202 is fixedly connected with lid 207, and head shell 202 forms cavity with lid 207; In cavity, be fixedly installed rim gear wheel 203, rim gear wheel 203 and the interior engagement of a plurality of planetary gears 205, a plurality of planetary gears 205 are meshed with one end of rotor 103 respectively; A plurality of planetary gears 205 are fixedly connected with one end of square head shaft 206, and the other end of square head shaft 206 is square toes connecting portion; Square head shaft 206 is connected with transmitting torque with rotor 103 by a plurality of planetary gears 205, and the square toes connecting portion of square head shaft 206 stretches out cavity, for being connected with threaded fastener; Square head shaft 206 be circumferentially provided with gear, the gear of square head shaft 206 is meshed with ratchet pawl 210; Ratchet pawl 210 is for locking screw securing member after being locked into certain value in advance at Pneumatic motor device.
Between the end face of the head shell 202 of described geared system and the housing 106 of Pneumatic motor device, be provided with sealing gasket 201.
One end of described ratchet pawl 210 is fixedly installed positive and negative adjusting device 209, and positive and negative adjusting device 209 is for regulating the engagement direction of ratchet pawl 210 and square head shaft 206 circumferential gears.
The technique effect that the present invention can reach is:
The present invention is provided with Pneumatic motor device on the basis of determining torsion torque wrench, and by geared system, transmit the outputting power of Pneumatic motor device, by Pneumatic motor device, being automatically locked in advance certain value, then by ratchet pawl locking screw securing member, thereby can increase work efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the schematic diagram of prior art torque wrench;
Fig. 2 is the schematic diagram of pneumatic type torque wrench of the present invention;
Fig. 3 is the schematic diagram of Pneumatic motor device of the present invention;
Fig. 4 is the schematic diagram of geared system of the present invention.
Description of reference numerals in figure:
1 is head, and 2 is handle,
3 is tracheae,
101 is bearing, and 102 is bonnet,
103 is rotor, and 104 is blade,
105 is cylinder, and 106 is housing,
107 is protecgulum, and 108 is bearing,
109 is adapter,
201 is sealing gasket, and 202 is head shell,
203 is rim gear wheel, and 204 is pad,
205 is planetary gear, and 206 is square head shaft,
207 is lid, and 208 is screw,
209 is positive and negative adjusting knob, and 210 is ratchet pawl,
31 is ratchet pawl head, and 32 is handle.
The specific embodiment
As shown in Figure 2, pneumatic type torque wrench of the present invention, comprises head 1, handle 2, and head 1 is fixedly installed on one end of handle 2; Head 1 is provided with tracheae 3;
Head 1 comprises Pneumatic motor device and geared system, the front end connection teeth wheel apparatus of Pneumatic motor device;
As shown in Figure 3, Pneumatic motor device comprises cylinder 105, and cylinder 105 is fixedly installed in housing 106; The front end of cylinder 105 is provided with protecgulum 107, and the rear end of cylinder 105 is provided with bonnet 102; In cylinder 105, be provided with rotor 103, cylinder 105 is flexibly connected rotor 103 by two bearings 101,108, is fixedly installed a plurality of blades 104 on rotor 103; Cylinder 105 is provided with cylinder back cover 102;
Housing 106 connects one end of tracheae 3 by adapter 109, tracheae 3 is used to cylinder 105 that controllable power source is provided.
As shown in Figure 4, geared system comprises head shell 202, and head shell 202 is fixedly connected with lid 207 by a plurality of screws 208, and head shell 202 forms cavity with lid 207; In cavity, be fixedly installed rim gear wheel 203, rim gear wheel 203 and three interior engagements of planetary gear 205, three planetary gears 205 are meshed with one end (this end of rotor 103 is provided with spline) of rotor 103 respectively; Three planetary gears 205 are fixedly connected with one end of square head shaft 206, and the other end of square head shaft 206 is square toes connecting portion; Square head shaft 206 is connected with transmitting torque with rotor 103 by a plurality of planetary gears 205, and the square toes connecting portion of square head shaft 206 stretches out cavity, for being connected with threaded fastener;
Between the end face of rim gear wheel 203 and square head shaft 206, be provided with pad 204;
Between the end face of the head shell 202 of geared system and the housing 106 of Pneumatic motor device, be provided with sealing gasket 201.
One end of ratchet pawl 210 is fixedly installed resilient positive and negative adjusting device 209, and positive and negative adjusting device 209 is for regulating the engagement direction of ratchet pawl 210 and square head shaft 206 circumferential gears.
Operation principle of the present invention is as follows:
Gas enters motor chamber through tracheae 3, and band moving vane 104 rotates, blade 104 rotor driven 103 rotations; The output shaft of rotor 103 drives square head shaft 206 rotations, thereby the outputting power of Pneumatic motor device is passed to square head shaft 206, and finally the square toes connecting portion by square head shaft 206 drives threaded fastener to rotate.
Claims (3)
1. a pneumatic type torque wrench, is characterized in that: comprise head (1), handle (2), head (1) is fixedly installed on one end of handle (2); Head (1) comprises Pneumatic motor device and geared system, the front end connection teeth wheel apparatus of Pneumatic motor device;
Pneumatic motor device comprises cylinder (105), and cylinder (105) is fixedly installed in housing (106); In cylinder (105), be provided with rotor (103), on rotor (103), be fixedly installed a plurality of blades (104); Housing (106) connects one end of tracheae (3), and tracheae (3) is used to cylinder (105) that power source is provided;
Geared system comprises head shell (202), and head shell (202) is fixedly connected with lid (207), and head shell (202) forms cavity with lid (207); In cavity, be fixedly installed rim gear wheel (203), rim gear wheel (203) and the interior engagement of a plurality of planetary gears (205), a plurality of planetary gears (205) are meshed with one end of rotor (103) respectively; A plurality of planetary gears (205) are fixedly connected with one end of square head shaft (206), and the other end of square head shaft (206) is square toes connecting portion; Square head shaft (206) is connected with transmitting torque with rotor (103) by a plurality of planetary gears (205), and the square toes connecting portion of square head shaft (206) stretches out cavity, for being connected with threaded fastener;
Square head shaft (206) be circumferentially provided with gear, the gear of square head shaft (206) is meshed with ratchet pawl (210); Ratchet pawl (210) is for locking screw securing member after being locked into certain value in advance at Pneumatic motor device.
2. pneumatic type torque wrench according to claim 1, is characterized in that: between the end face of the housing (106) of the head shell of described geared system (202) and Pneumatic motor device, be provided with sealing gasket (201).
3. pneumatic type torque wrench according to claim 1, it is characterized in that: one end of described ratchet pawl (210) is fixedly installed positive and negative adjusting device (209), positive and negative adjusting device (209) is for regulating the circumferentially engagement direction of gear of ratchet pawl (210) and square head shaft (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310495138.9A CN103522243B (en) | 2013-10-22 | 2013-10-22 | Pneumatic type torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310495138.9A CN103522243B (en) | 2013-10-22 | 2013-10-22 | Pneumatic type torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522243A true CN103522243A (en) | 2014-01-22 |
| CN103522243B CN103522243B (en) | 2015-04-08 |
Family
ID=49924773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310495138.9A Active CN103522243B (en) | 2013-10-22 | 2013-10-22 | Pneumatic type torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103522243B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829710A (en) * | 2017-04-18 | 2017-06-13 | 宁波市协新机电科技有限公司 | A kind of Escalator maintained equipment |
| CN106965113A (en) * | 2017-04-18 | 2017-07-21 | 宁波江东启航工业产品设计有限公司 | A kind of electromagnetic type torque spanner |
| CN107285179A (en) * | 2017-04-18 | 2017-10-24 | 宁波市协新机电科技有限公司 | A kind of Escalator maintenance of equipment |
| CN109434735A (en) * | 2018-12-17 | 2019-03-08 | 郭良 | A kind of multifunctional wrench |
| CN113386075A (en) * | 2020-03-13 | 2021-09-14 | 越崎企业股份有限公司 | Pneumatic spanner |
| CN113818324A (en) * | 2021-10-11 | 2021-12-21 | 中铁北京工程局集团有限公司 | Spliced steel structure bridge and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494988A (en) * | 2002-09-13 | 2004-05-12 | 株式会社信浓制作所 | Pneumatic socket wrench |
| CN1880024A (en) * | 2005-06-15 | 2006-12-20 | 株式会社信浓制作所 | Ratchet-type torque wrench |
| CN201998114U (en) * | 2011-01-18 | 2011-10-05 | 山东同力达智能机械有限公司 | Handheld type fixed-torque electric wrench |
| CN203510057U (en) * | 2013-10-22 | 2014-04-02 | 浙江荣鹏气动工具有限公司 | Pneumatic torque wrench |
-
2013
- 2013-10-22 CN CN201310495138.9A patent/CN103522243B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494988A (en) * | 2002-09-13 | 2004-05-12 | 株式会社信浓制作所 | Pneumatic socket wrench |
| CN1880024A (en) * | 2005-06-15 | 2006-12-20 | 株式会社信浓制作所 | Ratchet-type torque wrench |
| EP1733845A2 (en) * | 2005-06-15 | 2006-12-20 | Kabushiki Kaisha Shinano Seisakusho | Ratchet-type torque wrench |
| CN201998114U (en) * | 2011-01-18 | 2011-10-05 | 山东同力达智能机械有限公司 | Handheld type fixed-torque electric wrench |
| CN203510057U (en) * | 2013-10-22 | 2014-04-02 | 浙江荣鹏气动工具有限公司 | Pneumatic torque wrench |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829710A (en) * | 2017-04-18 | 2017-06-13 | 宁波市协新机电科技有限公司 | A kind of Escalator maintained equipment |
| CN106965113A (en) * | 2017-04-18 | 2017-07-21 | 宁波江东启航工业产品设计有限公司 | A kind of electromagnetic type torque spanner |
| CN107285179A (en) * | 2017-04-18 | 2017-10-24 | 宁波市协新机电科技有限公司 | A kind of Escalator maintenance of equipment |
| CN107285179B (en) * | 2017-04-18 | 2018-08-14 | 梅神峰 | A kind of Escalator maintenance of equipment |
| CN109434735A (en) * | 2018-12-17 | 2019-03-08 | 郭良 | A kind of multifunctional wrench |
| CN113386075A (en) * | 2020-03-13 | 2021-09-14 | 越崎企业股份有限公司 | Pneumatic spanner |
| CN113818324A (en) * | 2021-10-11 | 2021-12-21 | 中铁北京工程局集团有限公司 | Spliced steel structure bridge and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN103522243B (en) | 2015-04-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318050 Water Shortage Village, Pengjie Town, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Zhejiang Rongpeng Pneumatic Tools Co., Ltd. Address before: 318050 Water Shortage Village, Pengjie Town, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Zhejiang Rongpeng Air Tools Co., Ltd. |