CN103990832B - A kind of electric drill stepless speed-regulating device - Google Patents
A kind of electric drill stepless speed-regulating device Download PDFInfo
- Publication number
- CN103990832B CN103990832B CN201410263558.9A CN201410263558A CN103990832B CN 103990832 B CN103990832 B CN 103990832B CN 201410263558 A CN201410263558 A CN 201410263558A CN 103990832 B CN103990832 B CN 103990832B
- Authority
- CN
- China
- Prior art keywords
- roller
- speed
- guide
- driven
- driving
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
Abstract
The invention discloses a kind of electric drill stepless speed-regulating device, comprise drive motors, drive cone roller and from mantle roller, drive cone roller and from mantle roller rotate be installed on be arranged in parallel between upper mounted plate and bottom plate, drive cone roller and oppositely install with tapering from mantle roller, drive cone roller and be set with speed-governing belt between mantle roller, speed-governing belt is connected with speed governing guider, and speed governing guider is connected with speed-adjustable driving device; Drill bit is connected with by gearbox from mantle roller; The present invention is compared to traditional electric bench drill of fixed rotating speed in prior art, can be implemented in drive motors power constant when electrodelessly change rotating speed smoothly, and the mechanism of speed governing is speed-adjustable driving device, workman can according to the needs of oneself in use, immediately change the rotating speed of drill bit, relatively be suitable for electric bench drill to use, make electric bench drill be more suitable for being drilled with the uses such as the larger hole of diameter, tapping.
Description
Technical field
The present invention relates to a kind of gear shift device technical field, particularly relating to a kind of speed change gear for adjusting electric drill rotating speed.
Background technology
The rotation of drill bit is all driven by motor, in common electric drilling device, the power output of motor is constant, the parameter such as rotating speed, torsion is also constant, but in actual use often according to the difference of material, need different rotating speeds and torsion, this just needs to arrange speed changing function on electric drill.
The electric bench drill of current use is generally provided with gear speed change and strap speed varying two kinds of modes, the electric bench drill of its middle gear speed change is subject to the restriction of space and cost, often can not the buffer units such as clutch be set, when therefore punching on hard material, be obstructed once drill bit and drill bit just may be caused to twist off; And adopt the electric bench drill of strap speed varying, because belt has certain cushioning effect, the situation twisting off drill bit significantly reduces, but this kind of drive is pretty troublesome when speed change, also needs manually to adjust belt, and therefore the speed governing of electric drill is very inconvenient.
As can be seen here, according to the different in kind of drilled material, the speed of electric drill should be the requirement that just can meet boring of many gears electrodeless variable-speed, but the electric drill used at present all can not meet above-mentioned requirements, therefore use flexibility not high, can not quick and smooth the rotating speed of electric drill be adjusted.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of electrodeless variable-speed in real time, flexible, the simple electric drill speed change gear of adjustment.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of electric drill stepless speed-regulating device, comprise drive motors, described drive motors is connected with and drives cone roller, described drive cone roller rotate be installed on be arranged in parallel between upper mounted plate and bottom plate, also be rotatablely equipped with between fixed plate and described bottom plate with described drive bore roller with the use of from mantle roller, described driving cone roller and describedly oppositely to install from mantle roller with tapering, described driving cone roller and be describedly set with speed-governing belt between mantle roller, described speed-governing belt is connected with speed governing guider, described speed governing guider is connected with speed-adjustable driving device, describedly be connected with gearbox from mantle roller, the clutch end of described gearbox is provided with drill bit.
As preferred technical scheme, described speed governing guider comprises and drives the driving axis of guide of boring roller lateral wall and be arrangeding in parallel with described, with the described driven axis of guide be arranged in parallel from mantle roller lateral wall, the described driving axis of guide and the described driven axis of guide be arranged in parallel, the described driving axis of guide is set with successively and drives upper positioning sleeve and drive lower positioning sleeve, the described driving axis of guide in described driving under positioning sleeve and described driving between positioning sleeve is rotatablely equipped with speed governing and drives directive wheel, described speed governing drives under directive wheel and described driving and is provided with directive wheel back-moving spring between positioning sleeve, the lower end of the described driving axis of guide is connected with described speed-adjustable driving device, the described driven axis of guide is set with successively driven upper positioning sleeve and driven lower positioning sleeve, the described driven axis of guide between described driven upper positioning sleeve and described driven lower positioning sleeve is rotatablely equipped with speed governing driven guide wheel, and described speed-governing belt is arranged in described speed governing and drives between directive wheel and described speed governing driven guide wheel, the upper end of the described driving axis of guide and the described driven axis of guide is connected with the synchronizing bar of horizontally set, be connected with driving reinforced engagement means between described synchronizing bar and the described driving axis of guide, between described synchronizing bar and the described driven axis of guide, be connected with driven reinforced engagement means.
As preferred technical scheme, described driving reinforced engagement means comprises the driving adapter sleeve be fixedly set on described synchronizing bar, be fixedly set in the driving guideway on the described driving axis of guide, be connected with to drive between described driving adapter sleeve and described driving guideway and strengthen connecting rod.
As preferred technical scheme, described driven reinforced engagement means comprises the driven adapter sleeve be fixedly set on described synchronizing bar, be fixedly set in the driven guideway on the described driven axis of guide, between described driven adapter sleeve and described driven guideway, be connected with driven reinforcement connecting rod.
As preferred technical scheme, described speed governing drives directive wheel to comprise wheel body, side face around described wheel body is provided with the belt draw-in groove coordinated with described speed-governing belt, described wheel body both ends of the surface are coaxially provided with bearing groove respectively, be separately installed with rolling bearing in bearing groove described in two, rolling bearing outer end described in two is separately installed with the jump ring coordinated with the described driving axis of guide; Structure and the described speed governing of described speed governing driven guide wheel drive the structure of directive wheel identical.
As preferred technical scheme, described speed-adjustable driving device comprises the steel wire be connected with the described driving axis of guide, the described steel wire other end is connected with speed governing pedal, is provided with and changes the changed course pulley that described steel wire pulls direction between described speed governing pedal and the described driving axis of guide.
As preferred technical scheme, described driving cone roller upper end is installed with and drives roll shaft on cone roller, fixed plate is corresponding described drive roll shaft on cone roller be provided with the use of driving cone roller upper bearing (metal), described driving cone roller lower end is installed with and drives cone roller lower roller shaft, described bottom plate is corresponding described drive cone roller lower roller shaft be provided with the use of driving cone roller lower bearing, described driving cone roller lower roller shaft is bored roller lower bearing through described drivings and is connected described drive motors with described bottom plate.
As preferred technical scheme, describedly be installed with roll shaft from mantle roller from mantle roller upper end, described in fixed plate correspondence from roll shaft mantle roller be provided with the use of from mantle roller upper bearing (metal), describedly be installed with from mantle roller lower roller shaft from mantle roller lower end, described in described bottom plate correspondence from mantle roller lower roller shaft be provided with the use of from mantle roller lower bearing, be describedly connected described gearbox from mantle roller lower bearing with described bottom plate from mantle roller lower roller shaft through described.
As preferred technical scheme, the tapering of described driving cone roller is not more than 15 °, and the described small end face diameter of cone roller that drives is not less than 6cm; The described tapering from mantle roller is not more than 15 °, and the described small end face diameter from mantle roller is not less than 6cm.
As the improvement to technique scheme, described speed-governing belt is polyurethane flat rubber belting, and the cross section of described polyurethane flat rubber belting is rectangle, and the thickness of described polyurethane flat rubber belting is 1 ~ 3cm, and the width of described polyurethane flat rubber belting is 1.5 ~ 3cm.
Owing to have employed technique scheme, a kind of electric drill stepless speed-regulating device, comprise drive motors, described drive motors is connected with and drives cone roller, described drive cone roller rotate be installed on be arranged in parallel between upper mounted plate and bottom plate, also be rotatablely equipped with between fixed plate and described bottom plate with described drive bore roller with the use of from mantle roller, described driving cone roller and describedly oppositely to install from mantle roller with tapering, described driving cone roller and be describedly set with speed-governing belt between mantle roller, described speed-governing belt is connected with speed governing guider, described speed governing guider is connected with speed-adjustable driving device, describedly be connected with gearbox from mantle roller, the clutch end of described gearbox is provided with drill bit, the invention has the beneficial effects as follows: compared to traditional electric bench drill of fixed rotating speed in prior art, this device can be implemented in drive motors power constant when electrodelessly change rotating speed smoothly, and the mechanism of speed governing is speed-adjustable driving device, workman can according to the needs of oneself in use, immediately change the rotating speed of drill bit, relatively be suitable for electric bench drill to use, make electric bench drill be more suitable for being drilled with the uses such as the larger hole of diameter, tapping.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structure enlarged diagram at A place in Fig. 1;
In figure: 1-drive motors; 2-drives cone roller; 3-upper mounted plate; 4-bottom plate; 5-drives roll shaft on cone roller; 6-drives cone roller upper bearing (metal); 7-drives cone roller lower roller shaft; 8-is from mantle roller; 9-is from roll shaft mantle roller; 10-is from mantle roller lower roller shaft; 11-speed-governing belt; 12-gearbox; 13-drill bit; 14-drives the axis of guide; The driven axis of guide of 15-; Positioning sleeve in 16-driving; 17-drives lower positioning sleeve; The driven upper positioning sleeve of 18-; The driven lower positioning sleeve of 19-; 20-speed governing drives directive wheel; 201-wheel body; 202-belt draw-in groove; 203-rolling bearing; 204-jump ring; 21-directive wheel back-moving spring; 22-speed governing driven guide wheel; 23-synchronizing bar; 24-drives adapter sleeve; 25-drives guideway; 26-drives and strengthens connecting rod; The driven adapter sleeve of 27-; The driven guideway of 28-; The driven reinforcement connecting rod of 29-; 30-steel wire; 31-speed governing pedal; 32-alters course pulley.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As depicted in figs. 1 and 2, a kind of electric drill stepless speed-regulating device, comprise drive motors 1, described drive motors 1 is connected with and drives cone roller 2, described drive cone roller 2 rotate be installed on be arranged in parallel between upper mounted plate 3 and bottom plate 4, described drive cone roller 2 surface do exasperate process, through test record described drive cone roller 2 tapering be not more than 15 °, the described small end face diameter of cone roller 2 that drives is not less than 6cm, makes speed-regulating function best.Described driving cone roller 2 upper end is installed with and drives roll shaft 5 on cone roller, fixed plate 3 is corresponding described drive roll shaft 5 on cone roller be provided with the use of driving cone roller upper bearing (metal) 6, described driving cone roller 2 lower end is installed with and drives cone roller lower roller shaft 7, described bottom plate 4 is corresponding described drive cone roller lower roller shaft 7 be provided with the use of driving cone roller lower bearing, described driving cone roller 2 is rotated by described driving cone roller upper bearing (metal) 6 and described driving cone roller lower bearing and is installed between fixed plate 3 and described bottom plate 4, described driving cone roller lower roller shaft 7 is connected described drive motors 1 through described driving cone roller lower bearing with described bottom plate 4, boring roller lower roller shaft 7 by described drive motors 1 by described driving drives described driving cone roller 2 to rotate.Described driving cone roller 2 can certainly be run through and fixedly mount an axis, replace described driving to bore roll shaft 5 and described driving cone roller lower roller shaft 7 on roller, described driving can be driven to bore roller 2 by described drive motors 1 equally and rotate.
Also be rotatablely equipped with between the fixed plate 3 of the present embodiment and described bottom plate 4 with described drive bore roller 2 with the use of from mantle roller 8, described driving cone roller 2 is oppositely installed with tapering from mantle roller 8 with described, namely 15 ° are also not more than from the tapering of mantle roller 8 described in, the described small end face diameter from mantle roller 8 is also not less than 6cm, and describedly also do exasperate process from mantle roller 8 surface, use to facilitate to drive.Describedly be installed with roll shaft 9 from mantle roller from mantle roller 8 upper end, fixed plate 3 corresponding described from roll shaft 9 mantle roller be provided with the use of from mantle roller upper bearing (metal), describedly be installed with from mantle roller lower roller shaft 10 from mantle roller 8 lower end, described bottom plate 4 corresponding described from mantle roller lower roller shaft 10 be provided with the use of from mantle roller lower bearing, described from mantle roller 8 by described from mantle roller upper bearing (metal) and described from mantle roller lower bearing rotate be installed between fixed plate 3 and described bottom plate 4
Described driving cone roller 2 and be describedly set with speed-governing belt 11 between mantle roller 8, and described speed-governing belt 11 is for having the polyurethane flat rubber belting of higher elasticity, the cross section of described polyurethane flat rubber belting is rectangle, the thickness of described polyurethane flat rubber belting is 1 ~ 3cm, and the width of described polyurethane flat rubber belting is 1.5 ~ 3cm.Described speed-governing belt 11 is sleeved on described driving cone roller 2 and described from mantle roller 8, and the elasticity of described speed-governing belt 11 can be offset because described drivings cone roller 2 and the described whole perimeter from mantle roller 8 change and produce expanding force.Described speed-governing belt 11 is connected with speed governing guider, and described speed governing guider is connected with speed-adjustable driving device; Describedly be connected gearbox 12 from mantle roller lower bearing with described bottom plate 4 through described from mantle roller lower roller shaft 10, the clutch end of described gearbox 12 is provided with drill bit 13, described gearbox 12 is ordinary gear gearbox, in order to the described power spread out of from mantle roller 8 is carried out further speed change, secondary speed control can be realized to drill bit 13, make speed adjustable range wider, use convenient, ordinary gear gearbox is the content in the art known by those of ordinary skill, does not repeat them here.
The described speed governing guider of the present embodiment comprises and drives the driving axis of guide 14 of boring roller 2 lateral wall and be arrangeding in parallel with described, with the described driven axis of guide 15 be arranged in parallel from mantle roller 8 lateral wall, the described driving axis of guide 14 be arranged in parallel with the described driven axis of guide 15, the described driving axis of guide 14 is set with successively and drives upper positioning sleeve 16 and drive lower positioning sleeve 17, the described driven axis of guide 15 is set with successively driven upper positioning sleeve 18 and driven lower positioning sleeve 19, in described driving, positioning sleeve 16 and the upper limit of movement of described driven upper positioning sleeve 18 to the described driving axis of guide 14 and the described driven axis of guide 15 form location, under described driving, positioning sleeve 17 and the motion lower limit of described driven lower positioning sleeve 19 to the described driving axis of guide 14 and the described driven axis of guide 15 form location, and then form the speed adjustable range of speed-governing belt 11.
The described driving axis of guide 14 in described driving under positioning sleeve 16 and described driving between positioning sleeve 17 is rotatablely equipped with speed governing and drives directive wheel 20, described speed governing drives under directive wheel 20 and described driving and is provided with directive wheel back-moving spring 21 between positioning sleeve 17, and described directive wheel back-moving spring 21 makes described speed governing drive directive wheel 20 to be in the state of the described driving axis of guide 14 the top positioning sleeve 16 in described driving all the time, the lower end of the described driving axis of guide 14 is connected with described speed-adjustable driving device, wherein said speed governing drives directive wheel 20 to comprise wheel body 201, side face around described wheel body 201 is provided with the belt draw-in groove 202 coordinated with described speed-governing belt 11, described wheel body 201 both ends of the surface are coaxially provided with bearing groove respectively, rolling bearing 203 is separately installed with in bearing groove described in two, rolling bearing 203 outer end described in two is separately installed with the jump ring 204 coordinated with the described driving axis of guide 14, described wheel body 201 realizes rotating with the described driving axis of guide 14 installing by two rolling bearings 203, at bearing groove described in two and the jump ring 204 that arranges between the described driving axis of guide 14, can on the axis direction of the described driving axis of guide 14, described wheel body 201 and described rolling bearing 203 are fixed, prevent sideslip in running.
The described driven axis of guide 15 between described driven upper positioning sleeve 18 and described driven lower positioning sleeve 19 is rotatablely equipped with speed governing driven guide wheel 22, described speed-governing belt 11 is arranged in described speed governing and drives between directive wheel 20 and described speed governing driven guide wheel 22, structure and the described speed governing of described speed governing driven guide wheel 22 drive the structure of directive wheel 20 identical, namely described speed-governing belt 11 is arranged in described speed governing and drives between the belt draw-in groove of directive wheel 20 and the belt draw-in groove of described speed governing driven guide wheel 22, formed and the speed governing of described speed-governing belt 11 is located, prevent sideslip automatic speed regulation in its running, when described speed governing drives directive wheel 20 to be positioned at the position of positioning sleeve 16 bottom in described driving, described speed governing driven guide wheel 22 is positioned at the bottom position of described driven upper positioning sleeve 18 accordingly, now the rotating speed of drill bit 13 is minimum, when described speed governing driving directive wheel 20 is positioned at the apical position of positioning sleeve 17 under described driving, described speed governing driven guide wheel 22 is positioned at the apical position of described driven lower positioning sleeve 19 accordingly, and now the rotating speed of drill bit 13 is maximum.
For ensureing that described speed-governing belt 11 can keep translation in the horizontal direction, reduce the friction of described speed-governing belt 11 and the described driving axis of guide 14 and the driven axis of guide 15, the described driving axis of guide 14 and the upper end of the described driven axis of guide 15 are connected with the synchronizing bar 23 of horizontally set, be connected with driving reinforced engagement means between described synchronizing bar 23 and the described driving axis of guide 14, between described synchronizing bar 23 and the described driven axis of guide 15, be connected with driven reinforced engagement means.Described driving reinforced engagement means comprises the driving adapter sleeve 24 be fixedly set on described synchronizing bar 23, be fixedly set in the driving guideway 25 on the described driving axis of guide 14, be connected with to drive between described driving adapter sleeve 24 and described driving guideway 25 and strengthen connecting rod 26; Described driven reinforced engagement means comprises the driven adapter sleeve 27 be fixedly set on described synchronizing bar 23, be fixedly set in the driven guideway 28 on the described driven axis of guide 15, between described driven adapter sleeve 27 and described driven guideway 28, be connected with driven reinforcement connecting rod 29.Connecting rod 26, described synchronizing bar 23 and the described driving axis of guide 14 are strengthened in described driving and described driven reinforcement connecting rod 29, described synchronizing bar 23 and the described driven axis of guide 15 form respectively triangle rock-steady structure, described speed-adjustable driving device is pulled during the described driving axis of guide 14 drives the described driven axis of guide 15 to be synchronized with the movement simultaneously, make described speed-governing belt 11 remain level, complete electrodeless stepless speed control.
Described speed-adjustable driving device comprises the steel wire 30 be connected with the described driving axis of guide 14, described steel wire 30 other end is connected with speed governing pedal 31, is provided with and changes the changed course pulley 32 that described steel wire 30 pulls direction between described speed governing pedal 31 and the described driving axis of guide 14.Described speed governing pedal 31 connects the described driving axis of guide 14 by described steel wire 30, what the described changed course pulley 32 arranged can make described steel wire 30 pulls direction consistent with the axis direction of the described driving axis of guide 14, described steel wire 30 draws the described driving axis of guide 14 and moves up and down, the described speed governing be arranged on the described driving axis of guide 14 drives directive wheel 20 also synchronizing moving, realizes drill bit 13 from low speed to seamlessly transitting at a high speed.Certain steel wire also can utilize the structures such as stay cord to replace, not by the restriction of steel wire 30 described in the present embodiment.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. an electric drill stepless speed-regulating device, it is characterized in that: comprise drive motors, described drive motors is connected with and drives cone roller, described drive cone roller rotate be installed on be arranged in parallel between upper mounted plate and bottom plate, also be rotatablely equipped with between fixed plate and described bottom plate with described drive bore roller with the use of from mantle roller, described driving cone roller and describedly oppositely to install from mantle roller with tapering, described driving cone roller and be describedly set with speed-governing belt between mantle roller, described speed-governing belt is connected with speed governing guider, described speed governing guider is connected with speed-adjustable driving device, describedly be connected with gearbox from mantle roller, the clutch end of described gearbox is provided with drill bit.
2. a kind of electric drill stepless speed-regulating device as claimed in claim 1, it is characterized in that: described speed governing guider comprises and drives the driving axis of guide of boring roller lateral wall and be arrangeding in parallel with described, with the described driven axis of guide be arranged in parallel from mantle roller lateral wall, the described driving axis of guide and the described driven axis of guide be arranged in parallel, the described driving axis of guide is set with successively and drives upper positioning sleeve and drive lower positioning sleeve, the described driving axis of guide in described driving under positioning sleeve and described driving between positioning sleeve is rotatablely equipped with speed governing and drives directive wheel, described speed governing drives under directive wheel and described driving and is provided with directive wheel back-moving spring between positioning sleeve, the lower end of the described driving axis of guide is connected with described speed-adjustable driving device, the described driven axis of guide is set with successively driven upper positioning sleeve and driven lower positioning sleeve, the described driven axis of guide between described driven upper positioning sleeve and described driven lower positioning sleeve is rotatablely equipped with speed governing driven guide wheel, and described speed-governing belt is arranged in described speed governing and drives between directive wheel and described speed governing driven guide wheel, the upper end of the described driving axis of guide and the described driven axis of guide is connected with the synchronizing bar of horizontally set, be connected with driving reinforced engagement means between described synchronizing bar and the described driving axis of guide, between described synchronizing bar and the described driven axis of guide, be connected with driven reinforced engagement means.
3. a kind of electric drill stepless speed-regulating device as claimed in claim 2, it is characterized in that: described driving reinforced engagement means comprises the driving adapter sleeve be fixedly set on described synchronizing bar, be fixedly set in the driving guideway on the described driving axis of guide, be connected with to drive between described driving adapter sleeve and described driving guideway and strengthen connecting rod.
4. a kind of electric drill stepless speed-regulating device as claimed in claim 2, it is characterized in that: described driven reinforced engagement means comprises the driven adapter sleeve be fixedly set on described synchronizing bar, be fixedly set in the driven guideway on the described driven axis of guide, between described driven adapter sleeve and described driven guideway, be connected with driven reinforcement connecting rod.
5. a kind of electric drill stepless speed-regulating device as claimed in claim 2, it is characterized in that: described speed governing drives directive wheel to comprise wheel body, side face around described wheel body is provided with the belt draw-in groove coordinated with described speed-governing belt, described wheel body both ends of the surface are coaxially provided with bearing groove respectively, be separately installed with rolling bearing in bearing groove described in two, rolling bearing outer end described in two is separately installed with the jump ring coordinated with the described driving axis of guide; Structure and the described speed governing of described speed governing driven guide wheel drive the structure of directive wheel identical.
6. a kind of electric drill stepless speed-regulating device as described in claim 2,3,4 or 5, it is characterized in that: described speed-adjustable driving device comprises the steel wire be connected with the described driving axis of guide, the described steel wire other end is connected with speed governing pedal, is provided with and changes the changed course pulley that described steel wire pulls direction between described speed governing pedal and the described driving axis of guide.
7. a kind of electric drill stepless speed-regulating device as claimed in claim 6, it is characterized in that: described driving cone roller upper end is installed with and drives roll shaft on cone roller, fixed plate is corresponding described drive roll shaft on cone roller be provided with the use of driving cone roller upper bearing (metal), described driving cone roller lower end is installed with and drives cone roller lower roller shaft, described bottom plate is corresponding described drive cone roller lower roller shaft be provided with the use of driving cone roller lower bearing, described driving cone roller lower roller shaft is bored roller lower bearing through described drivings and is connected described drive motors with described bottom plate.
8. a kind of electric drill stepless speed-regulating device as claimed in claim 7, it is characterized in that: be describedly installed with roll shaft from mantle roller from mantle roller upper end, described in fixed plate correspondence from roll shaft mantle roller be provided with the use of from mantle roller upper bearing (metal), describedly be installed with from mantle roller lower roller shaft from mantle roller lower end, described in described bottom plate correspondence from mantle roller lower roller shaft be provided with the use of from mantle roller lower bearing, be describedly connected described gearbox from mantle roller lower bearing with described bottom plate from mantle roller lower roller shaft through described.
9. a kind of electric drill stepless speed-regulating device as claimed in claim 1, is characterized in that: the described tapering of cone roller that drives is not more than 15 °, and the described small end face diameter of cone roller that drives is not less than 6cm; The described tapering from mantle roller is not more than 15 °, and the described small end face diameter from mantle roller is not less than 6cm.
10. a kind of electric drill stepless speed-regulating device as claimed in claim 1, it is characterized in that: described speed-governing belt is polyurethane flat rubber belting, the cross section of described polyurethane flat rubber belting is rectangle, and the thickness of described polyurethane flat rubber belting is 1 ~ 3cm, and the width of described polyurethane flat rubber belting is 1.5 ~ 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263558.9A CN103990832B (en) | 2014-06-13 | 2014-06-13 | A kind of electric drill stepless speed-regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263558.9A CN103990832B (en) | 2014-06-13 | 2014-06-13 | A kind of electric drill stepless speed-regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990832A CN103990832A (en) | 2014-08-20 |
| CN103990832B true CN103990832B (en) | 2016-03-30 |
Family
ID=51305306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410263558.9A Active CN103990832B (en) | 2014-06-13 | 2014-06-13 | A kind of electric drill stepless speed-regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103990832B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736677B (en) * | 2016-05-11 | 2018-11-30 | 沈阳航天新光集团有限公司 | A kind of stepless time adjustment device |
| CN114303540B (en) * | 2021-12-27 | 2023-06-02 | 徐州佳禾农业科技有限公司 | Spacing adjustable seeder for farming |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3926611A1 (en) * | 1989-08-11 | 1991-02-14 | Gustav Flier | Electronic run=up speed limitation esp. for drill - introducing brief delay with low-speed drive for centring purposes in prepn. for full-speed drilling |
| CN2936607Y (en) * | 2006-08-17 | 2007-08-22 | 苏州宝时得电动工具有限公司 | Speed regulating gearshifting device for electric tool |
| CN202679305U (en) * | 2012-06-12 | 2013-01-16 | 河南省电力公司郑州供电公司 | Stepless speed regulator of AC electric hand drill |
| CN103567497A (en) * | 2012-08-07 | 2014-02-12 | 高跃忠 | Electric drill with dustproof speed reduction device |
| CN203863073U (en) * | 2014-06-13 | 2014-10-08 | 鞠文 | Stepless speed regulation device for electric drill |
-
2014
- 2014-06-13 CN CN201410263558.9A patent/CN103990832B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103990832A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109822167A (en) | A kind of full-automatic ring flange circumferential direction drilling equipment | |
| CN103791051B (en) | A kind of buncher of frictional wheel drive | |
| CN103062606B (en) | Wheel hub automatic oiling machine | |
| CN102295193A (en) | Winding constant-tension control device | |
| CN103990832B (en) | A kind of electric drill stepless speed-regulating device | |
| CN206367304U (en) | A kind of print platform lowering or hoisting gear and printer | |
| CN104405841A (en) | Adjustable reciprocating driving device | |
| CN203863073U (en) | Stepless speed regulation device for electric drill | |
| CN105506868A (en) | Fully-computerized glove overlock machine | |
| CN203348453U (en) | Belt transmission mechanism with variable transmission ratio | |
| CN103335079B (en) | The belt gear of variable gear ratio | |
| CN103836111A (en) | Automatic counterweight mechanism with adjustable eccentricity crank | |
| CN209258322U (en) | Stepless speed change device and bicycle | |
| CN210412005U (en) | Automatic flatting mill | |
| CN201305320Y (en) | Double-sprocket multi-spring friction transmission device | |
| CN202186800U (en) | Take-up winding constant-tension control device | |
| CN105668438A (en) | Hydraulic winch with rope arrangement angle adjusted freely within 180 degrees | |
| CN206539666U (en) | Spooler circular cone type continuously variable transmission | |
| CN206369852U (en) | A kind of optics microscope group high speed rotating unit | |
| CN204437209U (en) | A kind of Novel stepless speed regulation device | |
| CN205553189U (en) | Tensile production line of film is indulged and is drawn machine to decide grooved roll speed adjusting device | |
| CN203756854U (en) | Eccentricity-variable automatic balance weight mechanism for crank | |
| CN205529372U (en) | Full computerized glove knitting machine hemming machine | |
| CN204038740U (en) | Fiber paving machine | |
| CN210318395U (en) | Stepless speed variator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |