CN2738928Y - Stepless speed-changing device of drilling machine - Google Patents
Stepless speed-changing device of drilling machine Download PDFInfo
- Publication number
- CN2738928Y CN2738928Y CN 200420094951 CN200420094951U CN2738928Y CN 2738928 Y CN2738928 Y CN 2738928Y CN 200420094951 CN200420094951 CN 200420094951 CN 200420094951 U CN200420094951 U CN 200420094951U CN 2738928 Y CN2738928 Y CN 2738928Y
- Authority
- CN
- China
- Prior art keywords
- dish
- wedging
- wheel
- drilling machine
- regulating wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a stepless speed-changing device of the drilling machine apparatus, in particular to a transmission leather belt. A transmission displacement structure for stepless adjustment is provided between a driving wheel and a driven wheel; the driving wheel and the upper and lower wedging disks of the driven wheel are respectively provided with elasticity adjustable clapping conformation; a middle speed-changing wheel design is matched; the upper and lower ends of the middle speed-changing wheel are respectively provided with adjustable speed-changing turning devices; the driving wheel drives the driven wheel and controls and adjusts the transmission displacement of the transmission leather belt by the middle speed-changing wheel, so the stepless speed-changing is achieved. The utility model has the advantages of safe operation use, simple speed-changing adjustment, simple structure and reliable operation.
Description
Technical field:
The utility model relates to a kind of drilling machine stepless speed change device, is meant especially driving belt, can be in the structure of driving wheel and the stepless adjustment transmission of driven pulley intercropping displacement.
Background technology:
Present drilling machine speed change gear, as shown in Figure 1, its mainly include driving wheel 1 ', driven pulley 2 ' and driving belt 3 '.This driving wheel 1 ' with the large, medium and small runners in three kinds of different wheels footpaths, ascending in regular turn to following put constitute.Driven pulley 2 ' with the large, medium and small runners in three kinds of different wheels footpaths, descending in regular turn to following put constitute.This driving wheel 1 ' be arranged on the motor can drive driving belt 3 ' rotation, to drive driven pulley 2 ' rotation.Borrow driving belt 3 ' from top to bottom be nested in respectively driving wheel 1 ' and driven pulley 2 ' between, and make driving wheel 1 ' drive driven pulley 2 ', can obtain basic, normal, high three kinds of different rotating speeds.But, need to act on the bore operation by multistage elasticity rotating speed more for auger spindle according to the bore operation of above-mentioned speed change gear.Only have three kinds of change rotating speeds, and make the required elasticity rotating speed of bore operation can be subjected to the restriction of certain degree.And when auger spindle is made speed change and rotated, need by manual operation, stir adjust driving belt 3 ', often be subject to the influence of driving belt 3 ' tension adjustment, cause very inconvenience of adjustment, very easily cause the generation of dangerous fortuitous event.
Summary of the invention:
The purpose of this utility model, be to provide a kind of drilling machine stepless speed change device, the upper and lower wedging dish of driving wheel and driven pulley respectively has elasticity can adjust involutory structure design, cooperate the structure design of change pulley in the middle of again, so that driving wheel drives driven pulley, can borrow middle change pulley control to adjust the transmission displacement of fit driving belt, reach infinite variable speed effect, and on manipulating, have more the characteristics of safety, simple and direct adjustment speed change.
The utility model is achieved in that it mainly includes driving wheel (1), driven pulley (2), driving belt (4) and motor (5), is characterized in that:
Driving wheel (1) is provided with and is connected on the motor (5), by last wedging dish (11), wedging dish (12) is involutory mutually and constitute down, and is equipped with elasticity of compression pedestal (13);
Driven pulley (2), setting is connected on the auger spindle (6), by last wedging dish (2 1), the following mutual involutory formation of wedging dish (2 2), also is equipped with elasticity of compression pedestal (23);
Middle change pulley (3), setting is positioned on the drilling machine body panel seat (8) between driving wheel (1), the driven pulley (2), by carriage (31), connect sleeve (32), first regulating wheel (33), second regulating wheel (34), central shaft (35) and two groups of rots (36) and combine mutually;
Two groups of driving belts (4) are placed on respectively between driving wheel (1) and second regulating wheel (34) and driven pulley (2) and first regulating wheel (33).
The elasticity of compression pedestal (13) of above-mentioned drilling machine stepless speed change device, (23) are combined by ring set seat (131), (231) and spring element (132), (232), ring set seat (131), (231) pressure holding spring element (132), (232) are positioned in the last wedging dish top groove seat (111), (211) of driving wheel (1), driven pulley (2), and buckle with clasp (7) and to pull in the following snap ring ditch (221) of wedging dish, give clipping ring block set (131), (231) are positioned in groove seat (111), (211).
The carriage (31) of the middle change pulley (3) of above-mentioned drilling machine stepless speed change device is fixed on the body panel seat (8), is nested with to connect sleeve (32), and makes connection sleeve (32) upper and lower end place first, second regulating wheel of fixedly connected location (33), (34) respectively.
The central shaft (35) of the middle change pulley (3) of this speed change gear is through connecting in the sleeve (32), in last, position, segment difference section, lower end respectively is nested with clip one bearing (351), and make bearing (351) respectively chimeric clip in the last wedging dish (341) of the following wedging dish (332) of first regulating wheel (33) and second regulating wheel (34), in last, position, segment difference section, lower end respectively is provided with one section screw thread (352), for respectively with the last wedging dish (331) of first regulating wheel but the jewel seat (3311) of clip rotation in the top, but and the jewel seat (3421) of clip rotation in the following wedging tray bottom hole of second regulating wheel, guiding displacement mutually is threaded.
Two groups of rots (36) difference assembly of middle change pulley (3) is on central shaft (35), lower end, the rotor at its top (362) can drive central shaft (35) and rotate together, the movable pedestal in bottom (361) locking is socketed in the rotating shaft that jewel seat top protrudes out, and in side extension block bar (3611), be provided with being subjected to baffle plate button system, giving the movable pedestal 361 of block rotates, when rotor drives central shaft 35 rotations, bearing insert is connected on the central shaft, done vertical displacement, with the last wedging dish 331 that drives first regulating wheel 33 and following wedging dish 342 displacement in the same way synchronously of second regulating wheel.
The upper and lower wedging dish of driving wheel of the present utility model and driven pulley respectively has elasticity and can adjust involutory structure, cooperate the design of change pulley in the middle of again, this centre each tool of change pulley upper and lower end can be adjusted the rot of speed change, so that driving driven pulley, driving wheel can borrow middle change pulley control to adjust the transmission displacement of fit driving belt, reach infinite variable speed effect, and on manipulating, have more safety, simple and direct adjustment speed change, simple in structure, operation reliable characteristics.
Description of drawings:
Fig. 1 is the basic structure schematic diagram of existing drilling machine speed change gear.
Fig. 2 is assembled in enforcement illustration on the drilling machine for the utility model.
Fig. 3 is assembled in the enforcement illustration of another angle on the drilling machine for the utility model.
Fig. 4 is the decomposing schematic representation of the utility model driving wheel.
Fig. 5 is the decomposing schematic representation of the utility model driven pulley.
Fig. 6 is the partial sectional view of change pulley in the middle of the utility model.
Fig. 7 is the user mode schematic diagram of the utility model embodiment.
The specific embodiment:
To shown in Figure 6, the utility model speed change gear consists predominantly of driving wheel 1, driven pulley 2, middle change pulley 3 and two groups of driving belts 4 as Fig. 2; Wherein driving wheel 1 is connected on the motor 5, and driven pulley 2 is connected on the auger spindle 6; This driving wheel 1, driven pulley 2 respectively have last wedging dish 11,21 and wedging dish 12,22 is also involutory mutually down, set an elasticity of compression pedestal 13,23 therebetween and respectively, this elasticity of compression pedestal is combined mutually by ring set seat 131,231 and spring element 132,232; Ring set seat 131,231 pressure holding spring elements 132,232 are positioned in the groove seat 111,211 at last wedging dish 11,21 tops of driving wheel 1, driven pulley 2, and 131,231 pressure holdings of ring set seat are arranged in the groove seat 111,211, be fastened on the snap ring ditch 121,221 of groove seat 111,211 with a clasp 7, make ring set seat 132,232 be positioned respectively in the groove seat 111,211 of wedging dish 11,21, make wedging dish 11,21 be subjected to respectively that spring element 131,231 is flexible to hold effect, in doing elasticity opening and closing displacement on the wedging dish 12,22 down.
Change pulley 3 in the middle of aforementioned is provided with on the drilling machine body panel seat 8 be positioned 2 of driving wheels 1, driven pulley, by carriage 31, connect sleeve 32, first regulating wheel 33, second regulating wheel 34, central shaft 35 and two groups of rots 36 and constitute mutually.Wherein carriage 31 lockings are positioned on the body panel seat 8, and are provided with hinge seat 311 in the center, are nested with wherein for connecting sleeve 32.Connecting sleeve 32 is a hollow tube, is arranged in the hinge seat 311 of carriage 31, and in upper and lower end outer rim button system clasp 7, connection sleeve 32 is positioned in the hinge seat 311.First, second regulating wheel 33,34 respectively has last wedging dish 331,341 and wedging dish 332,342 is involutory mutually down, wherein the following wedging dish 332 of first regulating wheel 33 is nested with to be locked in and connects sleeve 32 upper ends, and the last wedging dish 341 of second regulating wheel 34 is nested with to be locked in and connects sleeve 32 lower ends.Central shaft 35 is through connecting in the sleeve 32, and respectively is nested with bearing 351 in position, upper and lower segment difference section, and buckle with clasp 7 and to make bearing 351 and be positioned on the central shaft 35.And this upper and lower bearing that is nested with 351 can be embedded in respectively in the last wedging dish 341 bottom groove seats 3411 of following wedging dish 332 top groove seats 3321, second regulating wheel 34 of first regulating wheel 33, and buckle system bearing 351 with clasp 7, make central shaft 35 and first adjust the last wedging dish 341 mutual binding one of the following wedging dish 332 of wheel 33, second regulating wheel 34.This central shaft 35 respectively is provided with one section screw thread 352 in position, upper and lower segment difference section.But the jewel seat 3311,3421 of the last wedging dish 331 of first regulating wheel 33,343 each the assembling rotation in the hole of the following wedging dish of second regulating wheel 34, and buckle system jewel seat with clasp 7 and located, for being connected on the screw thread 352 of position, central shaft 35 upper and lower segment difference section, make the last wedging dish 331,341 and the following wedging dish 332,342 of first, second regulating wheel 33,34 involutory mutually, and make involutory opening be out an assembling morphology that closes.Two groups of rots assembly respectively are positioned central shaft 35 upper and lower ends, its bottom has movable pedestal 361, for being nested with in the rotating shaft that jewel seat 3311,3421 tops that are fixedly connected on first, second regulating wheel 33,34 protrude out, and, give movable pedestal 361 rotations of block in the baffle plate 9 for wearing in side extension block bar 3611.This rot 36 has rotor 362 in the top, rotate together for driving central shaft 35.When the rotor 362 of rot 36 rotated, movable pedestal 361 was not rotated by the block location, and makes jewel seat 3311,3421 be subjected to screw thread 3521 guiding, is able to displacement up or down.The following wedging dish 342 that promptly drives last wedging dish 331, second regulating wheel 34 of first regulating wheel 33 is simultaneously done vertically upward or to the next title, it is involutory mutually to adjust first, second last wedging dish 331,341 and following wedging dish 332,342 of adjusting wheel 33,34 with control, the openings of sizes of socket driving belt 4.
As shown in Figure 7, first, second regulating wheel 33,34 of middle change pulley 3 is nested with driving belt 4, respectively and 1 of driven pulley 2, driving wheel connect transmission.When utilizing rotation rot 36 up times to rotate, the last wedging dish 331 that can control first regulating wheel 33 is to bottom offset, and is involutory gradually in descending wedging dish 332, makes therebetween the driving belt 4 of fit be subjected to crowded and gradually to outer displacement; And cooperate the effect of the last wedging dish 11 tool elasticity opening and closing of driving wheel 1, changed be sleeved on 11,12 on driving wheel 1 upper and lower wedging dish relatively driving belt 4 to intrinsic displacement.Moreover, when rot 36 up times are rotated, the following wedging dish 342 of also controlling second regulating wheel 34 simultaneously is to bottom offset, be located away from wedging dish 341 gradually, the driving belt 4 that makes fit therebetween is gradually to intrinsic displacement, and cooperate the last wedging dish 21 tool elasticity opening and closing effects of driven pulley 2, it is stressed to be changed the driving belt 4 that is sleeved on 21,22 on driven pulley 2 upper and lower wedging dishes relatively, gradually to outer displacement.So the rot 36 of change pulley 3 in the middle of rotating freely can be adjusted driving belt 4 transmission displacement in first, second regulating wheel 33,34 arbitrarily automatically.Relatively, also adjust driving belt 4 simultaneously automatically in the transmission displacement of driven wheel 1,2, and change driving wheel 1 drives the rotating speed of driven pulley 2, therefore reaches to have infinite variable speed effect.
Claims (5)
1, a kind of drilling machine stepless speed change device mainly includes driving wheel (1), driven pulley (2), driving belt (4) and motor (5), it is characterized in that:
Driving wheel (1) is provided with and is connected on the motor (5), by last wedging dish (11), wedging dish (12) is involutory mutually and constitute down, and is equipped with elasticity of compression pedestal (13);
Driven pulley (2), setting is connected on the auger spindle (6), by last wedging dish (21), the following mutual involutory formation of wedging dish (22), also is equipped with elasticity of compression pedestal (23);
Middle change pulley (3), setting is positioned on the drilling machine body panel seat (8) between driving wheel (1), the driven pulley (2), by carriage (31), connect sleeve (32), first regulating wheel (33), second regulating wheel (34), central shaft (35) and two groups of rots (36) and combine mutually;
Two groups of driving belts (4) are placed on respectively between driving wheel (1) and second regulating wheel (34) and driven pulley (2) and first regulating wheel (33).
2, a kind of drilling machine stepless speed change device according to claim 1, it is characterized in that, elasticity of compression pedestal (13), (23) are combined by ring set seat (131), (231) and spring element (132), (232), ring set seat (131), (231) pressure holding spring element (132), (232) are positioned in the last wedging dish top groove seat (111), (211) of driving wheel (1), driven pulley (2), and buckle with clasp (7) and to pull in the following snap ring ditch (221) of wedging dish, give clipping ring block set (131), (231) are positioned in groove seat (111), (211).
3, a kind of drilling machine stepless speed change device according to claim 1, it is characterized in that: the carriage (31) of middle change pulley (3) is fixed on the body panel seat (8), be nested with connection sleeve (32), and make connection sleeve (32) upper and lower end place first, second regulating wheel of fixedly connected location (33), (34) respectively.
4, a kind of drilling machine stepless speed change device according to claim 1, it is characterized in that: the central shaft (35) of middle change pulley (3) is through connecting in the sleeve (32), respectively be nested with clip one bearing (351) in position, upper and lower end segment difference section, and make bearing (351) respectively chimeric clip in the last wedging dish (341) of the following wedging dish (332) of first regulating wheel (33) and second regulating wheel (34), respectively be provided with one section screw thread (352) in position, upper and lower end segment difference section.
5, a kind of drilling machine stepless speed change device according to claim 1, it is characterized in that: two groups of rots (36) difference assembly of middle change pulley (3) is in central shaft (35) upper and lower end place, the rotor at its top (362) can drive central shaft (35) and rotate together, the movable pedestal in bottom (361) locking is socketed in the rotating shaft that jewel seat top protrudes out, and extends block bar (3611) in a side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094951 CN2738928Y (en) | 2004-11-10 | 2004-11-10 | Stepless speed-changing device of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094951 CN2738928Y (en) | 2004-11-10 | 2004-11-10 | Stepless speed-changing device of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738928Y true CN2738928Y (en) | 2005-11-09 |
Family
ID=35353996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420094951 Expired - Fee Related CN2738928Y (en) | 2004-11-10 | 2004-11-10 | Stepless speed-changing device of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738928Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352765B (en) * | 2007-07-27 | 2010-08-04 | 力山工业股份有限公司 | Speed-variation device and drill machine with speed-variation device |
| CN102384233A (en) * | 2011-07-14 | 2012-03-21 | 安徽池州项赛机械制造有限公司 | Multi-level belt drive speed changing device |
| CN104986514A (en) * | 2015-06-03 | 2015-10-21 | 陈功 | Bucket elevator speed control module |
-
2004
- 2004-11-10 CN CN 200420094951 patent/CN2738928Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352765B (en) * | 2007-07-27 | 2010-08-04 | 力山工业股份有限公司 | Speed-variation device and drill machine with speed-variation device |
| CN102384233A (en) * | 2011-07-14 | 2012-03-21 | 安徽池州项赛机械制造有限公司 | Multi-level belt drive speed changing device |
| CN104986514A (en) * | 2015-06-03 | 2015-10-21 | 陈功 | Bucket elevator speed control module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4792134A (en) | Treadmill with improved adjusting mechanism | |
| US9352185B2 (en) | Exercise device with inclination adjusting mechanism | |
| US6502479B1 (en) | Adjustable ramp helix | |
| US10001196B2 (en) | Continuously variable transmission | |
| CN2738928Y (en) | Stepless speed-changing device of drilling machine | |
| US5730672A (en) | Cutting metal-working machine | |
| KR101301859B1 (en) | Transmission for combine | |
| CN2297268Y (en) | Stepless speed variator for drilling machine | |
| US4917168A (en) | Angle-controlling device for a venetian blind | |
| CN2841206Y (en) | Stage-less speed-changing bench drill | |
| EP1234645A2 (en) | Multi-speed surface planer and method of manufacture thereof | |
| US20040112705A1 (en) | Parallel shift clutch | |
| WO2011026419A1 (en) | Mowing height automatically adjusting structure of intelligent lawn mower | |
| CN2770841Y (en) | Structure improved drilling machine speed-changing device | |
| CN213943943U (en) | Nut food sorting device | |
| CN211894864U (en) | Angle-adjustable material conveying device for soil remediation | |
| CN2603098Y (en) | Winding/laying two-purpose machine for disk knitting machine | |
| CN201095007Y (en) | Drill floor variable-speed gear | |
| CN208376865U (en) | Motorcar electric control adjustment steering column | |
| CN209078430U (en) | The high edging device of operation stability and tile edge production system | |
| CN208663354U (en) | Stable edging device and tile edge production system | |
| CN2629824Y (en) | Planetary internal-ring gear ball mill | |
| CN214822603U (en) | Pedal mechanism with adjustable treading force | |
| CN2255888Y (en) | Improved structure of drill transmission | |
| CN2235344Y (en) | Single column type vertical boring or drilling machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |