CN203487815U - Position self-adaption gear and rack driving device - Google Patents
Position self-adaption gear and rack driving device Download PDFInfo
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- CN203487815U CN203487815U CN201320584625.8U CN201320584625U CN203487815U CN 203487815 U CN203487815 U CN 203487815U CN 201320584625 U CN201320584625 U CN 201320584625U CN 203487815 U CN203487815 U CN 203487815U
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Abstract
The utility model discloses a position self-adaption gear and rack driving device which comprises a gear motor (1), a rotation support (2), a fixed support (3), an adjusting bolt (4), a pressing arm (5), a spring pull rod (6), a first spring (7), a supporting frame (8), an end face tooth embedded type clutch (9), a clutch movable plate fixing plate (10), a bearing (11), a small shaft (12), a main shaft (13), a gear (14), a rotation shaft (15), a spring seat (16), a second spring (17), a rack (18) and a pressing wheel (19). The position self-adaption gear and rack driving device is characterized in that the gear motor (1) is installed on the rotation support (2) which is connected with the fixed support (3) through the rotation shaft (15), the spring seat (16) is arranged on the fixed support (3) and connected with the rotation support (2) through the second spring (17), and the other parts are all installed on the gear motor (1) and swing around the rotation shaft (15) together with the gear motor (1).
Description
Technical field
The utility model relates to the gear rack actuating device of stage machinery.
Background technology
Rack-and-pinion transmission is the more accurate kind of drive, and generally rack-and-pinion is all arranged on permanent position, and tooth bar is not very long, guarantees all the time the correct engagement of rack-and-pinion, to guarantee that transmission part normally moves in transmission process.Yet due to rigidity and the accuracy of rack-and-pinion transmission, application scenario constantly expands, for example application of rack-and-pinion transmission on stage machinery ride.For modern times large-scale standard performing art venue, 4～6 chassis platforms are all installed, for moving, shift the scenes, participate in special efficacy performance etc.Ride size is determined according to stage side stage size, and generally long 16～18 meters, wide 2.5～3.6 meters, be positioned at ordinary times on two side stages of stage, while needing, can reach on stage or on opposite side side stage.Have at present the multiple kinds of drive such as wire rope gearing, chain drive, frictional drive, self-travel type and rack-and-pinion transmission, rack-and-pinion transmission application is the most extensive.
The tooth bar of rack-and-pinion transmission ride is arranged on ride, and gear-rack drive machine is arranged on ride, fills on platform and elevating stage, and ride is filled on platform and elevating stage and walks at ride by the driving of driving machine.Ride fills on platform and elevating stage table top and has gathering sill, and ride is moved along prescribed direction.
Because ride is very long, tooth bar is likely flexural deformation in total length, engagement dislocation; In addition, ride fills the process that platform moves on to elevating stage from ride, and ride fills driving machine platform from ride and drives to be transformed into by the driving machine on elevating stage and drive, and the relay-type that is expressed as of image drives.Like this, driving machine is not easy under any circumstance to accomplish the correct engagement of rack-and-pinion and correct engaging-in nibbling out, makes the ride can not trouble-free operation.
Summary of the invention
the purpose of this utility model is to provide a kind ofposition self adaptation gear rack actuating device.
The utility model is position self adaptation gear rack actuating device, comprise reducing motor 1, rotating stand 2, fixed bearing 3, adjusting bolt 4, pressure arm 5, spring pull bar 6, the first spring 7, support 8, end face jaw clutch 9, clutch Moving plate fixed disk 10, bearing 11, little axle 12, main shaft 13, gear 14, rotating shaft 15, spring base 16, the second spring 17, tooth bar 18, pinch roller 19, reducing motor 1 is arranged on rotating stand 2, and rotating stand 2 is connected with fixed bearing 3 by rotating shaft 15; Spring base 16 is housed on fixed bearing 3, by the second spring 17, is connected with rotating stand 2; All the other each members are all contained on reducing motor 1, and therewith around rotating shaft 15, swing.
Usefulness of the present utility model is: pressure arm 5 is close to support 8 under the effect of spring pull bar 6, the first spring 7, makes gear 14, pinch roller 19 tightly clamp tooth bar 18, and clamping force can be regulated by the nut on spring pull bar 6 according to required driving force.Adjusting bolt 4 can be finely tuned rack and pinion engagement sideshake, guarantees the correct engagement of transmission.In driving process, because ride likely rocks dislocation, tooth bar is also likely flexural deformation etc. in total length, this drive unit can carry out servo-actuated according to the position of tooth bar, the all component that are reducing motor 1 and upper installation thereof rotate to adapt to the instantaneous position of tooth bar together with rotating stand 2, no matter how the position of tooth bar changes, drive unit can find suitable position to make rack-and-pinion transmission correct engagement automatically, thereby makes ride even running.
Accompanying drawing explanation
Fig. 1 is that ride, main Stage elevating platform and ride fill the layout sketch of platform in standard arenas, Fig. 2 be in Fig. 1 A-A to view, Fig. 3 is the front view of this drive unit, Fig. 4 is the top view of this drive unit, Fig. 5 is the left view of this drive unit, Fig. 6 is the partial enlarged drawing at I place in Fig. 3, Fig. 7 be in Fig. 3 B to view.
The specific embodiment
as figure1, shown in Fig. 2, the tooth bar of rack-and-pinion transmission ride is arranged on ride, and gear-rack drive machine is arranged on ride, fills on platform and elevating stage, and ride is filled on platform and elevating stage and walks at ride by the driving of driving machine.Ride fills on platform and elevating stage table top and has gathering sill, and ride is moved along prescribed direction.
asshown in Fig. 3, Fig. 4, Fig. 5, position self adaptation gear rack actuating device comprises reducing motor 1, rotating stand 2, fixed bearing 3, adjusting bolt 4, pressure arm 5, spring pull bar 6, the first spring 7, support 8, end face jaw clutch 9, clutch Moving plate fixed disk 10, bearing 11, little axle 12, main shaft 13, gear 14, rotating shaft 15, spring base 16, the second spring 17, tooth bar 18, pinch roller 19 and some other component.Reducing motor 1 is arranged on rotating stand 2, and rotating stand 2 is connected with fixed bearing 3 by rotating shaft 15.Spring base 16 is housed on fixed bearing 3, by the second spring 17, is connected with rotating stand 2.All the other each parts are all contained on reducing motor 1, and therewith around rotating shaft 15, swing.First, support 8 is contained on reducing motor 1 by rebound, and one end of pressure arm 5 is connected by bearing pin with support 8, and the other end is connected with support 8 by spring pull bar 6, the first spring 7, pinch roller 19 is contained on pressure arm 5, by the minimum range between the adjustable level pressure wheel of adjusting bolt 4 and gear 14; Main shaft 13 is contained on reductor, and the fixed disk of end face jaw clutch 9 is contained on main shaft 13.One end of little axle 12 is by bearing 11 and main shaft 13 empty sets, and the other end is equipped with gear 14, and is fixed on support 8 by bearing.The Moving plate of end face jaw clutch 9 is contained on little axle 12 after being connected with clutch Moving plate fixed disk 10 use screws.By using adjusting bolt 4, pressure arm 5, spring pull bar 6, the first spring 7 to make gear 14 and pinch roller 19 in correct engagement gap state.
The course of work of this device is as follows:
1, relay transmission process:
As shown in Figure 1 and Figure 2, when ride is prepared to be moved to main Stage elevating platform direction by side stage, give through all drive units energisings in distance (comprise ride fill on platform with elevating stage on, certainly, the drive unit on elevating stage can be switched on later on, before tooth bar is engaging-in), then give and be arranged on the clutch energising that ride fills drive unit on platform, as shown in Figure 2, main shaft 13 drives little axle 12 rotations by clutch, thereby makes gear 14 drive tooth bar and ride walking.When ride runs to the position of the drive unit on elevating stage, tooth bar starts the gear of engaging-in this drive unit, after engagement is correct, (conventionally pre-determining between a unloaded region of engagement) gives the clutch energising of this drive unit, ride fills the clutch power-off (or clutch power-off together with motor) of drive unit on platform, now ride changes by the drive unit driving operation on elevating stage, and ride is run to completely also can be with elevating stage one lifting on elevating stage.Otherwise, by the drive unit on elevating stage, being driven, then change the drive unit being filled on platform by ride and drive, ride just can be got back on side stage.
2, running:
As shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, pressure arm 5 is close to support 8 under the effect of spring pull bar 6, the first spring 7, makes gear 14, pinch roller 19 tightly clamp tooth bar 18, and clamping force can be regulated by the nut on spring pull bar 6 according to required driving force.Adjusting bolt 4 can be finely tuned rack and pinion engagement sideshake, guarantees the correct engagement of transmission.In driving process, because ride likely rocks dislocation, tooth bar is also likely flexural deformation etc. in total length, this drive unit can carry out servo-actuated according to the position of tooth bar, the all component that are reducing motor 1 and upper installation thereof rotate to adapt to the instantaneous position of tooth bar together with rotating stand 2, no matter how the position of tooth bar changes, drive unit can find suitable position to make rack-and-pinion transmission correct engagement automatically, thereby makes ride even running.
3, the engaging-in process of nibbling out:
Because the operation of ride is driven and is completed by many drive unit relays, so, be arranged on driving rack on ride must with drive unit on gear time and mesh, time and throw off, drive unit must meet correct engaging-in of tooth bar and nibble out action.
asshown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the two ends of tooth bar are done tapered, the tooth of tooth bar is by without to having, from low to high, and tooth top is processed into tooth shape, and two the second springs 17 on driving machine make gear keep centre position when driving machine does not mesh with tooth bar, then have gear 14, pinch roller 19 self-assembling formation horn mouth shapes, these are all conducive to tooth bar and find smoothly engaging-in mouthful and round and smooth engaging-in.End face jaw clutch 9 is housed on driving machine, and before tooth bar is not engaging-in, clutch is cold, and now clutch Moving plate fixed disk 10, little axle 12 and gear 14 disconnect with main shaft 13, and gear 14 is in quick condition.When tooth bar starts when engaging-in, due to said structure reason, tooth bar can enter in the gap of gear 14, pinch roller 19 smoothly, and makes gradually tooth contact.State during tooth contact is random, may rigidly connect and touch just correct interlock, also the tooth top of possibility wheel and rack has withstood on together, in the situation that rack-and-pinion tooth top withstands on together, pressure arm 5 opens, the first spring 7 is compressed, by the rotation between the gear teeth, sliding relation, makes the gear teeth within very short time, reach correct engagement.After engagement, (conventionally setting a segment distance) gives clutch 9 energisings, and this drive unit starts the operation of driven ride.In ride running, according to the running status of ride, reducing motor and all component of installing on it are followed at any time tooth bar position and are swung.When rack and pinion is thrown off, under the effect of spring 17, drive unit automatically restores to meta, meets the engaging-in of next time.
This device has following features:
1, gear 14, pinch roller 19 are set up a suitable gap by adjusting bolt 4, make the suitable sideshake of eternal maintenance in rack and pinion engaged transmission.
2, the swing of reducing motor 1 can meet the change in location of tooth bar completely, in the situation that guaranteeing correct engagement to tooth bar without any lateral force.
3, end face jaw clutch 9 and bearing 11 can make little axle 12 and gear 14 in quick condition, are the correct engaging-in condition that provides.
4, the application of end face jaw clutch 9 and the first spring 7 can guarantee completely driven under any circumstance and normally engaging-in.
5, the swing part that the second spring 17 can guarantee drive unit remains on centre position after departing from engagement, does not affect swinging of in driving swing part.
Claims (4)
1. position self adaptation gear rack actuating device, comprise reducing motor (1), rotating stand (2), fixed bearing (3), adjusting bolt (4), pressure arm (5), spring pull bar (6), the first spring (7), support (8), end face jaw clutch (9), clutch Moving plate fixed disk (10), bearing (11), little axle (12), main shaft (13), gear (14), rotating shaft (15), spring base (16), the second spring (17), tooth bar (18), pinch roller (19), it is characterized in that reducing motor (1) is arranged on rotating stand (2), rotating stand (2) is connected with fixed bearing (3) by rotating shaft (15), spring base (16) is housed on fixed bearing (3), by the second spring (17), is connected with rotating stand (2), it is upper that all the other each members are all contained in reducing motor (1), and therewith around rotating shaft (15), swing.
2.
according to claim 1position self adaptation gear rack actuating device, it is characterized in that support (8) is contained on reducing motor (1) by rebound, one end of pressure arm (5) is connected by bearing pin with support (8), the other end is connected with support (8) by spring pull bar (6), the first spring (7), it is upper that pinch roller (19) is contained in pressure arm (5), by adjusting bolt (4), can set up the minimum range between pinch roller (19) and gear (14); Main shaft (13) is contained on reducing motor, and the fixed disk of end face jaw clutch (9) is contained on main shaft (13); One end of little axle (12) is by bearing (11) and main shaft (13) empty set, and the other end is equipped with gear (14), and is fixed on support (8) by bearing; The Moving plate of end face jaw clutch (9) is contained on little axle (12) after being connected with screw with clutch Moving plate fixed disk (10).
3. position according to claim 1 self adaptation gear rack actuating device, is characterized in that: use end face jaw clutch (9), bearing (11) make little axle (12) and gear (14) when clutch no power in quick condition.
4. position according to claim 1 self adaptation gear rack actuating device, is characterized in that: by using adjusting bolt (4), pressure arm (5), spring pull bar (6), the first spring (7) to make gear (14) and pinch roller (19) in correct engagement gap state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584625.8U CN203487815U (en) | 2013-09-23 | 2013-09-23 | Position self-adaption gear and rack driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584625.8U CN203487815U (en) | 2013-09-23 | 2013-09-23 | Position self-adaption gear and rack driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203487815U true CN203487815U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320584625.8U Expired - Fee Related CN203487815U (en) | 2013-09-23 | 2013-09-23 | Position self-adaption gear and rack driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203487815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974469A (en) * | 2017-05-26 | 2017-07-25 | 赵振荣 | Rotating device, base and multi-purpose bed |
| CN108868212A (en) * | 2018-08-01 | 2018-11-23 | 甘肃工大舞台技术工程有限公司 | A kind of polycyclic turntable of large size |
| CN112832564A (en) * | 2021-02-18 | 2021-05-25 | 甘肃工大舞台技术工程有限公司 | Side car platform driving machine |
-
2013
- 2013-09-23 CN CN201320584625.8U patent/CN203487815U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974469A (en) * | 2017-05-26 | 2017-07-25 | 赵振荣 | Rotating device, base and multi-purpose bed |
| CN108868212A (en) * | 2018-08-01 | 2018-11-23 | 甘肃工大舞台技术工程有限公司 | A kind of polycyclic turntable of large size |
| CN112832564A (en) * | 2021-02-18 | 2021-05-25 | 甘肃工大舞台技术工程有限公司 | Side car platform driving machine |
| CN112832564B (en) * | 2021-02-18 | 2024-05-28 | 甘肃工大舞台技术工程有限公司 | Side car platform driving machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |