CN103348885A - Greenhouse curtain rolling machine with ball slide rail type self-lock device - Google Patents
Greenhouse curtain rolling machine with ball slide rail type self-lock device Download PDFInfo
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- CN103348885A CN103348885A CN2013103300215A CN201310330021A CN103348885A CN 103348885 A CN103348885 A CN 103348885A CN 2013103300215 A CN2013103300215 A CN 2013103300215A CN 201310330021 A CN201310330021 A CN 201310330021A CN 103348885 A CN103348885 A CN 103348885A
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- ball
- power shaft
- brake
- rolling machine
- belt pulley
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a greenhouse curtain rolling machine with ball slide rail type self-lock device, which solves the problems of the greenhouse curtain rolling machine with ball slide rail type self-lock device in prior art, such as complex structure, high production and maintenance cost, poor braking effect and high accident rate. The greenhouse curtain rolling machine with ball slide rail type self-lock device comprises a brake ratchet assembled on an input shaft and a pawl matched with the brake ratchet, wherein the self-lock device further comprises a brake disc coaxial with the brake ratchet, the brake ratchet is located between the brake disc and the input shaft belt pulley, and friction plates are respectively arranged at two sides of the brake ratchet. The self-lock device is technically characterized in that a ball locating slot is arranged at the matched part of the input shaft and the input shaft belt pulley, a ball partially embedded in the ball locating slot is arranged in the ball locating slot, and the input shaft belt pulley is provided with a spiral slide rail matched with the ball at the part matched with the input shaft. The greenhouse curtain rolling machine with ball slide rail type self-lock device is smart in structure design, and has the advantages of simple structure, low production and maintenance cost, convenience in use, high safety and reliability and the like.
Description
Technical field
Invention relates to a kind of greenhouse curtain rolling machine, is a kind of greenhouse curtain rolling machine with ball slideway formula self-locking device specifically.
Background technology
Traditional greenhouse curtain rolling machine mainly contains two kinds: a kind of is rear Scroll shutter (cry also that rear wall is fixed, rear pull type or stay-supported greenhouse curtain rolling machine), and another kind is the self-propelled shutter of canopy face.Wherein, rear Scroll shutter is occurring the earliest on the market, and it is comprised of main frame (being comprised of gearbox and electromotor, lower same), roll bar and column (or support) three parts.The work basic principle of this shutter is to rotate roll bar by main frame, and roll bar is twined stay cord, stay cord pulling straw mat or thermal insulation quilt.When let-down straw mat or thermal insulation quilt, convenient descend along the gradient landing of canopy face with himself weight.But, when it exists manual operation out of control, be difficult to effective brake and cause the problem of security incident.
Patent of invention such as notification number CN 201084951 discloses a kind of " sky is put cruise control formula greenhouse curtain rolling machine ", the problems referred to above have well been solved, it mainly comprises cabinet, assemble decelerator and self-locking device in it, hand brake device, sky is put speed-controlling device and drive unit, its technical essential is: described sky is put speed-controlling device and is adopted sky to put automatic speed control device, the brake arm that sky is put automatic speed control device directly is fixed on the output of the high speed shaft of decelerator, brake hub is fixed on the axle bed of reducer shell of this high speed shaft output, the control speed shoe plate that together rotates along with brake arm, breaker slot is assembled in the brake hub.But there is following defective in it: owing to adopting helicitic texture that power shaft belt pulley and power shaft are fixed, belt pulley needs larger torsion to rotate when transferring after straw screen or mat or thermal insulation quilt are rolled onto on the booth, threaded belt pulley, the service life of screw thread is short, frictional force is large, needs torsion large when transferring straw screen or mat or thermal insulation quilt.And be to improve the driving machine that torsion certainly will need to select high torsion, certainly will increase production cost.Therefore, need to the self-locking device that prior art (self-locking device of helicitic texture) greenhouse curtain rolling machine is used be improved.
Summary of the invention
The purpose of this invention is to provide a kind of greenhouse curtain rolling machine with ball slideway formula self-locking device, solved in the prior art greenhouse curtain rolling machine with the self-locking device complex structure, the production maintenance cost is high, braking effect is poor, the easy problem such as accidents caused.Its structural design is ingenious, has the advantages such as simple in structure, that the production maintenance cost is low, esy to use, safe and reliable.
The technical solution adopted in the present invention is: should comprise the brake ratchet that is assembled on the power shaft and the ratchet that matches with brake ratchet with the greenhouse curtain rolling machine of ball slideway formula self-locking device, self-locking device also comprises the brake disc with the coaxial setting of brake ratchet, brake ratchet is between brake disc and power shaft belt pulley, the brake ratchet both sides are respectively equipped with friction plate, its technical essential is: described power shaft is provided with ball positioning groove in the cooperation place with the power shaft belt pulley, be provided with the ball that is partially submerged in the ball positioning groove in the ball positioning groove, the power shaft belt pulley is provided with the spiral slide that is complementary with ball in the cooperation place with power shaft.
Described ball positioning groove is along circumferentially being distributed on the power shaft.
Described power shaft is provided with 2 ~ 5 ball positioning grooves.
The advantage that the present invention has and positive technique effect are: by the repacking to existing self-locking device, greenhouse curtain rolling machine is when normal roller shutter operation, the power shaft belt pulley drives power shaft and rotates, the power shaft belt pulley is spacing by the locking nut of end, extrusion friction sheet to the inside not, brake ratchet does not rotate with power shaft, does not play braking action.When roller shutter rose to the booth top, belt pulley stopped operating, and the greenhouse rolling blind roller produces converse rotating force to power shaft because Action of Gravity Field, and made relative reversing between power shaft belt pulley and the power shaft.At this moment, near brake ratchet, the power shaft belt pulley compresses the friction plate of brake ratchet one side the power shaft belt pulley to brake ratchet under the effect of slideway, ball, and the brake disc of opposite side pushes another friction plate simultaneously.Friction plate drives brake ratchet and rotates, and ratchet is positioned at the breaker slot of brake ratchet, stops the rotation of brake ratchet by ratchet, realizes braking.Self-locking device is simple in structure, and low cost of manufacture is safe and reliable.Therefore required torsion can adopt the less driving machine of moment of torsion only for adopting 1/2 of screw buckle when dismantling wheel disc after the employing spiral slide structure, saved manufacturing cost.Driving machine power is less, has saved use cost.Spiral slide is compared not easy to wear than screw buckle, longer service life has reduced maintenance cost.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is concrete structure schematic diagram of the present invention;
Fig. 2 is the decomposition texture schematic diagram of self-locking device of the present invention;
Fig. 3 is the main TV structure schematic diagram of self-locking device of the present invention;
Fig. 4 is that Fig. 3 is along the sectional structure schematic diagram of A-A line;
Fig. 5 is that Fig. 4 is along the sectional structure schematic diagram of B-B line;
Fig. 6 is the structural representation of self-locking device of the present invention when matching with ratchet.
Sequence number explanation among the figure: 1 decelerator, 2 power shaft belt pulleys, 3 self-locking devices, 4 skies are put automatic speed control device, 5 motor pulleys, 6 motors, 7 cabinets, 8 power shafts, 9 balls, 10 brake discs, 11 left friction plates, 12 locking nuts, 13 right friction plates, 14 brake ratchets, 15 ball positioning grooves, 16 spiral slides, 17 ratchets.
Embodiment
Describe concrete structure of the present invention in detail according to Fig. 1 ~ 6.Rear Scroll greenhouse curtain rolling machine comprises cabinet 7, be assembled in the decelerator 1 in the cabinet 7 and manually speed-controlling device, skies are put automatic speed control device 4, self-locking device 3, and the part such as drive unit.Wherein the structure of the specification of cabinet 7, decelerator 1, self-locking device 3 and drive unit, shape and existing rear Scroll greenhouse curtain rolling machine is basic identical.Drive unit comprises motor 6, bel-drivenn motor pulley 5 and power shaft belt pulley 2.The present invention is the improvement that self-locking device 3 is wherein carried out, the parts such as locking nut 12 that it comprises the brake ratchet 14 that is assembled on the power shaft, the ratchet 17 that matches with brake ratchet 14, the brake disc 10 with brake ratchet 14 coaxial settings, power shaft belt pulley 2 and is used for spacing power shaft belt pulley 2.During use, also need at locking nut 12 latch to be set, power shaft belt pulley 2 is spacing on power shaft 8.Brake ratchet 14 is between brake disc 10 and power shaft belt pulley 2, and brake ratchet 14 both sides are respectively equipped with friction plate (left and right friction plate 11,13).Power shaft 8 is provided with ball positioning groove 15(the present embodiment in the cooperation place with power shaft belt pulley 2 be three), ball positioning groove 15 is provided with the ball 9 that is partially submerged in the ball positioning groove 15 along circumferentially being distributed on the power shaft 8 in the ball positioning groove 15.Power shaft belt pulley 2 is provided with the spiral slide 16 that is complementary with ball 9 in the cooperation place with power shaft 8.Can process according to actual needs the ball positioning groove 15 and spiral slide 16 of suitable number.
Said structure is so that the part of giving prominence to outside ball positioning groove 15 of ball 9 is moved along spiral slide 16, and band driven input shaft belt pulley 2 screws or unscrews from power shaft 8 in the motion process.When power shaft belt pulley 2 screws, inwardly push right friction plate 13, brake disc 10 is spacing by the boss of power shaft simultaneously.Left and right friction plate 11,13 clamps to therebetween brake ratchet 14, and brake ratchet 14 rotates ratchets 17 and is stuck in and realizes self-locking on the breaker slot.When power shaft belt pulley 2 unscrews, prevent that it from coming off by locking nut 12 with power shaft belt pulley 2 is spacing.Simultaneously, substitute the screw-type structure of original power shaft belt pulley, when power input shaft belt pulley 2 unscrews, more easily become flexible self-locking device.
By the repacking to existing self-locking device, greenhouse curtain rolling machine is when normal roller shutter operation, and power shaft belt pulley 2 band driven input shafts 8 rotate.When roller shutter rose to the booth top, power shaft belt pulley 2 stopped operating, and the greenhouse rolling blind roller produces converse rotating forces to power shaft 8 because Action of Gravity Field, and made relative reversing between power shaft belt pulley 2 and the power shaft 8.At this moment, near brake ratchet 14, power shaft belt pulley 2 compresses the right friction plate 13 of brake ratchet 14 1 sides power shaft belt pulley 2 to brake ratchet 14 under the effect of spiral slide 16, ball 9, simultaneously the left friction plate 11 of brake disc 10 extruding of opposite side.Left and right friction plate 11,13 drives brake ratchet 14 and rotates, and ratchet 17 is positioned at the breaker slot of brake ratchet 14, stops the rotation of brake ratchet 14 by ratchet 17, realizes braking.Self-locking device is simple in structure, and low cost of manufacture is safe and reliable.Therefore required torsion can adopt the less driving machine of moment of torsion only for adopting 1/2 of screw buckle when dismantling wheel disc after the employing spiral slide structure, saved manufacturing cost.Driving machine power is less, has saved use cost.Spiral slide is compared not easy to wear than screw buckle, longer service life has reduced maintenance cost.
Claims (3)
1. greenhouse curtain rolling machine with ball slideway formula self-locking device, comprise the brake ratchet that is assembled on the power shaft and the ratchet that matches with brake ratchet, self-locking device also comprises the brake disc with the coaxial setting of brake ratchet, brake ratchet is between brake disc and power shaft belt pulley, the brake ratchet both sides are respectively equipped with friction plate, it is characterized in that: described power shaft is provided with ball positioning groove in the cooperation place with the power shaft belt pulley, be provided with the ball that is partially submerged in the ball positioning groove in the ball positioning groove, the power shaft belt pulley is provided with the spiral slide that is complementary with ball in the cooperation place with power shaft.
2. the greenhouse curtain rolling machine with ball slideway formula self-locking device according to claim 1 is characterized in that: described ball positioning groove is along circumferentially being distributed on the power shaft.
3. the greenhouse curtain rolling machine with ball slideway formula self-locking device according to claim 1 and 2, it is characterized in that: described power shaft is provided with 2 ~ 5 ball positioning grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103300215A CN103348885A (en) | 2013-08-01 | 2013-08-01 | Greenhouse curtain rolling machine with ball slide rail type self-lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103300215A CN103348885A (en) | 2013-08-01 | 2013-08-01 | Greenhouse curtain rolling machine with ball slide rail type self-lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103348885A true CN103348885A (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103300215A Pending CN103348885A (en) | 2013-08-01 | 2013-08-01 | Greenhouse curtain rolling machine with ball slide rail type self-lock device |
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| CN (1) | CN103348885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005765A (en) * | 2018-06-13 | 2019-07-12 | 周雨馨 | Shutter fluid drive speed reducer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137822A (en) * | 1993-12-20 | 1996-12-11 | 托罗特拉克(开发)有限公司 | Continuously variable transmission capable of torque control |
| CN2431712Y (en) * | 2000-07-04 | 2001-05-30 | 柳长增 | Movable straw curtain rolling-up machine for greenhouse |
| CN2648804Y (en) * | 2003-08-18 | 2004-10-20 | 海城市牛庄大棚卷帘机厂 | Greenhouse curtain-rolling machine |
| CN2717207Y (en) * | 2004-07-27 | 2005-08-17 | 王光明 | Speed reducing box for curtain-rolling machine |
| CN201084951Y (en) * | 2007-09-07 | 2008-07-16 | 周德兴 | Empty automatic speed-control greenhouse curtain-rolling machine |
| CN201771998U (en) * | 2010-07-05 | 2011-03-23 | 陈湘浦 | Brake for curtain rolling machine of big-arch shelter |
| KR101086469B1 (en) * | 2009-03-16 | 2011-11-25 | 주식회사 부성시스템 | Clutch for vinyl house open/closed device |
| CN203416681U (en) * | 2013-08-01 | 2014-02-05 | 周德兴 | Greenhouse shutter machine with ball slideway type self-locking device |
-
2013
- 2013-08-01 CN CN2013103300215A patent/CN103348885A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137822A (en) * | 1993-12-20 | 1996-12-11 | 托罗特拉克(开发)有限公司 | Continuously variable transmission capable of torque control |
| CN2431712Y (en) * | 2000-07-04 | 2001-05-30 | 柳长增 | Movable straw curtain rolling-up machine for greenhouse |
| CN2648804Y (en) * | 2003-08-18 | 2004-10-20 | 海城市牛庄大棚卷帘机厂 | Greenhouse curtain-rolling machine |
| CN2717207Y (en) * | 2004-07-27 | 2005-08-17 | 王光明 | Speed reducing box for curtain-rolling machine |
| CN201084951Y (en) * | 2007-09-07 | 2008-07-16 | 周德兴 | Empty automatic speed-control greenhouse curtain-rolling machine |
| KR101086469B1 (en) * | 2009-03-16 | 2011-11-25 | 주식회사 부성시스템 | Clutch for vinyl house open/closed device |
| CN201771998U (en) * | 2010-07-05 | 2011-03-23 | 陈湘浦 | Brake for curtain rolling machine of big-arch shelter |
| CN203416681U (en) * | 2013-08-01 | 2014-02-05 | 周德兴 | Greenhouse shutter machine with ball slideway type self-locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005765A (en) * | 2018-06-13 | 2019-07-12 | 周雨馨 | Shutter fluid drive speed reducer |
| CN110005765B (en) * | 2018-06-13 | 2024-03-12 | 周雨馨 | Automatic speed changing speed reducer for curtain rolling machine |
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Application publication date: 20131016 |