CN104084923B - A kind of sleeve electric wrench connected for screw thread steel - Google Patents
A kind of sleeve electric wrench connected for screw thread steel Download PDFInfo
- Publication number
- CN104084923B CN104084923B CN201410322233.3A CN201410322233A CN104084923B CN 104084923 B CN104084923 B CN 104084923B CN 201410322233 A CN201410322233 A CN 201410322233A CN 104084923 B CN104084923 B CN 104084923B
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- China
- Prior art keywords
- sleeve
- speed governing
- holding handle
- motor
- ratchet
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
For the sleeve electric wrench that screw thread steel connects, belong to steel concrete supporting technical field of tools, for improving the quality of bar connecting, reducing joint cost, accelerating speed of application.The present invention overlaps rotary spanner by left and right two and idle pulley forms, and installs battery, dc motor, gear drive, torque adjusting device, driving shaft and sleeve driving wheel in left rotation and right rotation spanner respectively.Torque adjusting device setting sleeve screw-down torque of the present invention, battery and dc motor export screw-down torque by gear drive, screw-down torque is delivered to left and right sleeve driving wheel, and sleeve driving wheel drives sleeve orientation to rotate, thus reaches the object be threaded.The present invention have rationally distributed, mechanism small and exquisite easy, screw-down torque is adjustable, safe and reliable to operation, reduce the advantages such as labor intensity of operating staff, the quality of bar connecting can be improved, reduce joint cost, accelerate speed of application, increase work efficiency, have wide market prospects.
Description
Technical field
The present invention relates to a kind of electronic fastening means of sleeve of building trade steel concrete supporting, belong to steel concrete supporting technical field of tools.
Background technology
A kind of think bar connection mode that steel concrete supporting is starting to apply in recent years, realizes the connection of reinforcing bar by the cover letter linked up between two reinforcing bars.The connection of reinforcing bar realizes by forms such as the wedgings between the occlusion of crimp, screw thread.The major way of mechanical connection has the forms such as radial and axial cold extrusion connection, taper thread connection, upsetting straight connection, thread rolling bar joints.Bar connecting is one of critical process in structure of reinforced concrete, directly affects engineering structure quality and operating efficiency.Correctly select bar connecting instrument, contribute to the quality improving bar connecting, reduce joint cost, accelerate speed of application.
In steel concrete supporting on-the-spot at present, workman utilizes common wrench to tighten sleeve to the fastening docking that can complete reinforcing bar, and therefore the stability of bar connecting quality is larger by the impact of human factor.Nipple destroys and mostly occurs in joint, the butt joint Strength and Dformation such as the thread quality that scene processes, leakage is twisted or tightening torque is inadequate, screw thread loosens have a significant impact, whether tightening, being difficult to determine from estimating in appearance, detection neither be very convenient, therefore may reduce joint quality because of the impact of human factor or poor management.For ensureing the joint connection in site quality of bush whorl joint, the specific purpose tool being applicable to straight screw sleeve connection must be developed.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of sleeve electric wrench connected for screw thread steel, and this sleeve electric wrench can improve the quality of bar connecting, reduces joint cost, accelerates speed of application.
The technical scheme solved the problems of the technologies described above is:
A kind of sleeve electric wrench connected for screw thread steel, it overlaps rotary spanner by left and right two and idle pulley forms, left rotation and right rotation spanner comprises battery respectively, dc motor, gear drive, driving shaft, sleeve driving wheel and left holding handle, right holding handle, left shell, right shell body, the front end of left holding handle and right holding handle respectively with left shell, right shell body is connected, overlapping and run through idler shaft in the middle of left holding handle and right holding handle, idler shaft is set with idle pulley, respectively battery is installed in left shell and right shell body, dc motor, gear drive, driving shaft and sleeve driving wheel, battery is connected with dc motor, the motor shaft of dc motor is connected with gear drive, gear drive is connected with driving shaft, driving shaft band moving sleeve driving wheel rotates, the circumferential plane of two the sleeve driving wheels in left and right and the circumferential plane of idle pulley are at grade, sleeve is placed in the region between left and right sleeve driving wheel and idle pulley.
The above-mentioned sleeve electric wrench connected for screw thread steel, described gear drive is made up of central gear, planet carrier, planetary gear, outer ring gear, central gear is connected with the motor axle key of dc motor, central gear circumference is meshed with 3 planetary gears, 3 planetary gears are connected by planet carrier, 3 planetary gears are meshed with outer ring gear, and outer ring gear is connected with driving shaft by torque adjusting device.
The above-mentioned sleeve electric wrench connected for screw thread steel, torque adjusting device is made up of speed governing shell body, speed governing Inner housing, stage clip, speed governing sleeve and ball, the inwall of speed governing shell body is threaded with the outer wall of speed governing inner housing, speed governing inner housing fills on the driving shaft by bearing holder (housing, cover), compression spring sleeve is in speed governing inner housing periphery, the upper end of stage clip is fixedly connected with speed governing inner housing, the lower end of stage clip connects speed governing sleeve, speed governing barrel bore is connected with driving shaft, and speed governing sleeve lower end is pressed on gear upper surface, outer ring by ball.
The above-mentioned sleeve electric wrench connected for screw thread steel, described left holding handle, right holding handle have hand push button respectively, and hand push button comprises precession button, screws out button, stop button, and hand push button is connected with dc motor.
The above-mentioned sleeve electric wrench connected for screw thread steel, it also has position locking device, position locking device is made up of ratchet, ratchet, stage clip, ratchet is arranged on right holding handle by straight pin, ratchet is arranged on idler shaft, the front end of ratchet is meshed with ratchet, and stage clip is pressed on ratchet.
The invention has the beneficial effects as follows:
The present invention utilizes torque adjusting device to set sleeve screw-down torque, battery and dc motor export screw-down torque by gear drive, screw-down torque is delivered to the sleeve driving wheel of left and right two cover rotary spanner, and sleeve driving wheel drives sleeve orientation to rotate, thus reaches the object be threaded.The present invention is that bar reinforcement sleeve thread connection technology field provides suitable electric tool, have rationally distributed, mechanism small and exquisite easy, screw-down torque is adjustable, the advantage such as safe and reliable to operation.The present invention not only can reduce labor intensity of operating staff greatly, the more important thing is the quality that can improve bar connecting, reduces joint cost, accelerate speed of application, increase work efficiency, be the upgraded product of existing bar connecting instrument, have wide market prospects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1.
In figure, mark is as follows: cap 19, dc motor 20, right shell body 21, straight pin 22, ratchet 23, speed governing sleeve 24 in right holding handle 1, ratchet 2, left holding handle 3, idle pulley 4, sleeve 5, sleeve driving wheel 6, battery 7, left shell 8, speed governing shell body 9, idler shaft 10, driving shaft 11, speed governing Inner housing 12, stage clip 13, ball 14, central gear 18, planetary gear 16, planet carrier 17, outer ring gear 15, speed governing.
Detailed description of the invention
The present invention overlaps rotary spanner by left and right two and idle pulley 4 forms, and sleeve 5 is placed between left and right two cover rotary spanner and idle pulley 4, and left and right two is overlapped rotary spanner and rotated simultaneously, band moving sleeve 5 directional-rotation, thus reaches the object be threaded.
Left rotation and right rotation spanner comprises left holding handle 3, right holding handle 1, left shell 8, right shell body 21, power set, gear drive, torque adjusting device, sleeve drive unit, position locking device respectively.
Show in figure, left holding handle 3 is connected with left shell 8, right shell body 21 respectively with the front end of right holding handle 1, overlapping and run through idler shaft 10 in the middle of left holding handle 3 and right holding handle 1, idler shaft 10 is set with idle pulley 4, in left shell 8 and right shell body 21, power set, gear drive, torque adjusting device, sleeve drive unit is installed respectively.Power set, gear drive, torque adjusting device, sleeve drive unit connect successively, screw-down torque are delivered to the sleeve drive unit of left and right two cover rotary spanner, sleeve drive unit band moving sleeve 5 directional-rotation, thus reach the object be threaded
Show in figure, power set are made up of battery 7 and dc motor 20, and lithium ion battery selected by battery 7, the rated voltage 24v of dc motor 20.
Show in figure, gear drive is made up of central gear 18, planet carrier 17, planetary gear 16, outer ring gear 15.Central gear 18 is connected with the motor axle key of dc motor 20, central gear 18 circumference is meshed with 3 planetary gears 16,3 planetary gears 16 are connected by planet carrier 17, and 3 planetary gears 16 are meshed with outer ring gear 15, outer ring gear 15 by torque adjusting device to sleeve drive unit transmitting torque.
Show in figure, sleeve drive unit is made up of driving shaft 11, sleeve driving wheel 6, the lower end of driving shaft 11 is connected with torque adjusting device, the upper end of driving shaft 11 is connected with sleeve driving wheel 6, at grade, sleeve 5 is placed in the region between left and right sleeve driving wheel 6 and idle pulley 4 for the circumferential plane of two the sleeve driving wheels 6 in left and right and the circumferential plane of idle pulley 4.Rotating band moving sleeve 5 precession of sleeve driving wheel 6, provides precession radial frictional force and axial force, until screw.
Show in figure, torque adjusting device is made up of speed governing shell body 9, speed governing Inner housing 12, stage clip 13, ball 14 and speed governing sleeve 24.The inwall of speed governing shell body 9 is threaded with the outer wall of speed governing inner housing 12, speed governing inner housing 12 is contained on driving shaft 11 by bearing holder (housing, cover), stage clip 13 is enclosed within speed governing inner housing 12 periphery, the upper end of stage clip 13 is fixedly connected with speed governing inner housing 12, the lower end of stage clip 13 connects speed governing sleeve 24, speed governing sleeve 24 inner chamber is connected with driving shaft 11, and speed governing sleeve 24 lower end is pressed on outer ring gear 15 upper surface by ball 14.Because speed governing sleeve 24 and ball 14 compress with the upper surface of outer ring gear 15 by stage clip 13, when outer ring gear 15 rotates, rely on the frictional force between gear 15 upper surface, outer ring and ball 14, speed governing sleeve 24 to drive speed governing sleeve 24 to rotate, speed governing sleeve 24 is with moving sleeve drive unit to rotate.
During work, the screw thread between turn speed governing shell body 9 and speed governing Inner housing 12, the thrust of adjustment stage clip 13, outer ring gear 15 is under different thrust, and rotating speed is different, thus achieves the function of torque adjustment.After sleeve 5 screws; overstep the extreme limit moment of torsion time; sleeve driving wheel 6 and driving shaft 11 stop operating; frictional force between ball 14 and outer ring gear 15 compresses outer ring gear 15; outer ring gear 15 is caused to stop operating; the planetary system idle running of central gear 18, planetary gear 16, to dc motor 20 and the effect playing overload protection.
Show in figure, position locking device is made up of ratchet 23, ratchet 2, stage clip, and ratchet 2 is arranged on right holding handle 1 by straight pin 22, and ratchet 23 is arranged on idler shaft 10, ratchet 2 front end be meshed with ratchet 23, stage clip is pressed on ratchet 2.Operating personnel are by after right holding handle 1 closing sleeve 5 of gripping, and locking device pins current clamped condition, and operating personnel can loosen the right holding handle 1 of gripping.
Show in figure, left holding handle 3, right holding handle 1 have hand push button respectively, hand push button comprises precession button, screws out button, stop button, and hand push button is connected with dc motor 20.Precession button, back-out button control screwing of sleeve 5 respectively and unclamp, stopping operation of stop button control appliance.
The course of work of the present invention is as follows:
Utilize the ratchet 23 of position locking device, ratchet 2 adjusts centre-to-centre spacing between two sleeve driving wheels 6 and idle pulley 4, to adapt to sleeve 5 external diameter of the different size of precession.The speed governing shell 9 of rotation torque adjusting device, the thrust of adjustment stage clip 13, sets branch sleeve 5 used and tightens required moment values.Place branch sleeve 5, branch sleeve 5 internal thread coordinates with reinforcing bar head external screw thread, and manual precession 2-3 encloses.Compress left holding handle 3, right holding handle 1, sleeve driving wheel 6 is opened, clamp sleeve 5 bottom, the ratchet 2 simultaneously in position locking device engages with ratchet 23, the current clamped position of auto lock.Start the precession button of on right holding handle 1, dc motor 20 rotates forward driven gear transmission device and rotates, and driving shaft 11 transfers torque to sleeve and drives 6.Two sleeves drive 6 rotating in same directions, under frictional force effect, and branch sleeve 5 precession.After sleeve 5 precession puts in place; sleeve 5 stop motion; sleeve drives 6 to stop operating; frictional force play between ball 14 and outer ring gear 15 rises; compress outer ring gear 15; cause outer ring gear 15 to stop operating, the planetary system idle running of central gear 18, planetary gear 16, to dc motor 20 and the effect playing overload protection.By the stop button of bottom right holding handle 1, during the fork of depressing position locking device, ratchet 2 lifts, and throws off and engages, compress left holding handle 3, right holding handle 1, sleeve driving wheel 6 is opened, process of finishing the work with ratchet 23.
Claims (5)
1. the sleeve electric wrench connected for screw thread steel, it is characterized in that: it overlaps rotary spanner by left and right two and idle pulley (4) forms, left rotation and right rotation spanner comprises battery (7) respectively, dc motor (20), gear drive, torque adjusting device, driving shaft (11), sleeve driving wheel (6) and left holding handle (3), right holding handle (1), left shell (8), right shell body (21), the front end of left holding handle (3) and right holding handle (1) respectively with left shell (8), right shell body (21) is connected, overlapping and run through idler shaft (10) in the middle of left holding handle (3) and right holding handle (1), idler shaft (10) is set with idle pulley (4), in left shell (8) and right shell body (21), battery (7) is installed respectively, dc motor (20), gear drive, driving shaft (11) and sleeve driving wheel (6), battery (7) is connected with dc motor (20), the motor shaft of dc motor (20) is connected with gear drive, gear drive is connected with driving shaft (11), driving shaft (11) band moving sleeve driving wheel (6) rotates, the circumferential plane of two the sleeve driving wheels (6) in left and right and the circumferential plane of idle pulley (4) are at grade, sleeve (5) is placed in the region between left and right sleeve driving wheel (6) and idle pulley (4).
2. the sleeve electric wrench connected for screw thread steel according to claim 1, it is characterized in that: described gear drive is by central gear (18), planet carrier (17), planetary gear (16), outer ring gear (15) forms, central gear (18) is connected with the motor axle key of dc motor (20), central gear (18) circumference is meshed with 3 planetary gears (16), 3 planetary gears (16) are connected by planet carrier (17), 3 planetary gears (16) are meshed with outer ring gear (15), outer ring gear (15) is connected with driving shaft (11) by torque adjusting device.
3. the sleeve electric wrench connected for screw thread steel according to claim 2, it is characterized in that: torque adjusting device is by speed governing shell body (9), speed governing Inner housing (12), stage clip (13), speed governing sleeve (24) and ball (14) composition, the inwall of speed governing shell body (9) is threaded with the outer wall of speed governing inner housing (12), speed governing inner housing (12) is contained on driving shaft (11) by bearing holder (housing, cover), stage clip (13) is enclosed within speed governing inner housing (12) periphery, the upper end of stage clip (13) is fixedly connected with speed governing inner housing (12), the lower end of stage clip (13) connects speed governing sleeve (24), speed governing sleeve (24) inner chamber is connected with driving shaft (11), speed governing sleeve (24) lower end is pressed on outer ring gear (15) upper surface by ball (14).
4. the sleeve electric wrench connected for screw thread steel according to claim 3, it is characterized in that: (1) has hand push button respectively for described left holding handle (3), right holding handle, hand push button comprises precession button, screws out button, stop button, and hand push button is connected with dc motor (20).
5. the sleeve electric wrench connected for screw thread steel according to claim 4, it is characterized in that: it also has position locking device, position locking device is made up of ratchet (23), ratchet (2), stage clip, ratchet (2) is arranged on right holding handle (1) by straight pin (22), ratchet (23) is arranged on idler shaft (10), the front end of ratchet (2) is meshed with ratchet (23), and stage clip is pressed on ratchet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322233.3A CN104084923B (en) | 2014-07-08 | 2014-07-08 | A kind of sleeve electric wrench connected for screw thread steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322233.3A CN104084923B (en) | 2014-07-08 | 2014-07-08 | A kind of sleeve electric wrench connected for screw thread steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104084923A CN104084923A (en) | 2014-10-08 |
| CN104084923B true CN104084923B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410322233.3A Expired - Fee Related CN104084923B (en) | 2014-07-08 | 2014-07-08 | A kind of sleeve electric wrench connected for screw thread steel |
Country Status (1)
| Country | Link |
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| CN (1) | CN104084923B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889919B (en) * | 2015-06-17 | 2017-02-22 | 河北科技大学 | Electric pipe wrench for threaded connection of reinforcing steel bar and connecting sleeve |
| CN106677165B (en) * | 2016-11-24 | 2018-12-28 | 绍兴文理学院 | A kind of filling pile cage of reinforcement connection automatic synchronization device for screwing up and its application method |
| CN106964972B (en) * | 2017-03-30 | 2019-06-07 | 泸州市金松机械设备制造有限公司 | A kind of electronic Screw driving machine of easily controllable tightness |
| CN108000417B (en) * | 2018-01-09 | 2019-11-12 | 安徽伟迈信息技术有限公司 | The maintenance tool of portable quickly elastic stud on aircraft |
| CN110340836A (en) * | 2018-04-04 | 2019-10-18 | 徐元启 | Reinforced bar sleeve is threadedly coupled electric wrench |
| CN109500766B (en) * | 2018-12-25 | 2024-01-30 | 中国核工业二四建设有限公司 | Electric spanner capable of fast connecting straight thread sleeve |
| CN111185873A (en) * | 2020-03-17 | 2020-05-22 | 北渤智能科技秦皇岛有限公司 | Open type electric wrench for connecting reinforcing steel bar and sleeve |
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| US5544553A (en) * | 1994-02-24 | 1996-08-13 | Galat; Donald E. | Off-set geared nutrunner attachment |
| US5582079A (en) * | 1994-07-26 | 1996-12-10 | Maeda Metal Industries, Inc. | Bolt tightening device |
| EP2283975A1 (en) * | 2009-08-14 | 2011-02-16 | Yang Tai-Her | Sun gear-driven torque multiplying tool |
| CN201841509U (en) * | 2010-08-23 | 2011-05-25 | 重庆城建控股(集团)有限责任公司 | Variable diameter electric socket wrench |
| CN102837283A (en) * | 2012-09-27 | 2012-12-26 | 北京科瑞思创测控科技有限公司 | Numerical-control constant-torque electric spanner |
| CN203185236U (en) * | 2013-04-18 | 2013-09-11 | 重庆鼎誉机电有限公司 | Hydraulic spanner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100029555A (en) * | 2008-09-08 | 2010-03-17 | 주식회사 다양테크 | Apparatus of increasing torque for air tools |
-
2014
- 2014-07-08 CN CN201410322233.3A patent/CN104084923B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5544553A (en) * | 1994-02-24 | 1996-08-13 | Galat; Donald E. | Off-set geared nutrunner attachment |
| US5582079A (en) * | 1994-07-26 | 1996-12-10 | Maeda Metal Industries, Inc. | Bolt tightening device |
| EP2283975A1 (en) * | 2009-08-14 | 2011-02-16 | Yang Tai-Her | Sun gear-driven torque multiplying tool |
| CN201841509U (en) * | 2010-08-23 | 2011-05-25 | 重庆城建控股(集团)有限责任公司 | Variable diameter electric socket wrench |
| CN102837283A (en) * | 2012-09-27 | 2012-12-26 | 北京科瑞思创测控科技有限公司 | Numerical-control constant-torque electric spanner |
| CN203185236U (en) * | 2013-04-18 | 2013-09-11 | 重庆鼎誉机电有限公司 | Hydraulic spanner |
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| Publication number | Publication date |
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| CN104084923A (en) | 2014-10-08 |
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Granted publication date: 20151111 Termination date: 20160708 |
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