CN203249622U - Adjusting mechanism and laser alidade with same - Google Patents
Adjusting mechanism and laser alidade with same Download PDFInfo
- Publication number
- CN203249622U CN203249622U CN 201320199447 CN201320199447U CN203249622U CN 203249622 U CN203249622 U CN 203249622U CN 201320199447 CN201320199447 CN 201320199447 CN 201320199447 U CN201320199447 U CN 201320199447U CN 203249622 U CN203249622 U CN 203249622U
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- China
- Prior art keywords
- stepper motor
- adjusting mechanism
- screw mandrel
- movable block
- output shaft
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Abstract
The utility model provides an adjusting mechanism and a laser alidade. The adjusting mechanism comprises a differential, a first stepping motor, a second stepping motor, a screw rod and a movable block, wherein the differential comprises a first output shaft, a second output shaft and a first driven gear; a second driven gear is arranged at the end, extending out of the differential, of the second output shaft; a first driving gear is arranged at the rotating shaft of the first stepping motor, and is meshed with the first driven gear; a second driving gear is arranged at the rotating shaft of the second stepping motor, and is meshed with the second driven gear; the first end of the screw rod is connected with the first output shaft, and rotates along with the rotation of the first output shaft; the movable block is in threaded connection with the screw rod, and moves in the axial direction of the screw rod along with the rotation of the screw rod; the first output shaft rotates when the first stepping motor and the second stepping motor rotate in the same direction, in different directions or independently, so as to drive the movable block to move.
Description
Technical field
The utility model first aspect relates to a kind of adjusting mechanism, relates in particular to a kind of levelling gear for the laser alignment instrument.
The utility model second aspect relates to a kind of laser alignment instrument that comprises above-mentioned adjusting mechanism.
Background technology
The laser alignment instrument is arranged on generating laser on suspension apparatus or the swinging mounting usually, and comes suspension apparatus or swinging mounting are carried out leveling by an adjusting mechanism, thereby so that generating laser is in level.
Take swinging mounting as example, in the prior art, adjusting mechanism normally comes adjusting mechanism is carried out leveling by single motor, but in the situation of using a motor, because the inherent characteristic of motor, subdivision accuracy and the speed of adjusting the running part in the structure are difficult to take into account simultaneously.
Therefore, demand a kind of adjusting mechanism that can take into account simultaneously precision and speed urgently.
The utility model content
In order to overcome above-mentioned technological deficiency, the purpose of this utility model is to realize a kind of adjusting mechanism of taking into account precision and speed by bi-motor and cooperating of differential mechanism.
To achieve these goals, first aspect of the present utility model provides a kind of adjusting mechanism, it comprises :-differential mechanism, and it has the first output shaft, the second output shaft and the first follower gear, and the end of described the second output shaft outside it stretches out described differential mechanism is provided with the second follower gear; The-the first stepper motor, its rotating shaft is provided with the first driving gear, and described the first driving gear is meshed with described the first follower gear; The-the second stepper motor, its rotating shaft is provided with the second driving gear, and described the second driving gear is meshed with described the second follower gear;-screw mandrel, its first end links to each other with described the first output shaft, and described screw mandrel rotates with the rotation of described the first output shaft; And-movable block, be connected with described wire rod thread, and with the rotation of the described screw mandrel axially-movable along described screw mandrel; Wherein, described the first output shaft with described the first stepper motor and described the second stepper motor same rotate, backward rotation or rotate separately and rotate, thereby drive the motion of described movable block.
Preferably, in the utility model, described adjusting mechanism also comprises a shell, and described differential mechanism, described first, second stepper motor, described screw mandrel and described movable block are arranged in the described shell.
Preferably, in the utility model, be provided with screw mandrel fixed orifice and screw mandrel retainer plate on the described shell, the second end of described screw mandrel is fixed by described screw mandrel fixed orifice and described screw mandrel retainer plate and described shell.
Preferably, in the utility model, also have and the gag lever post established parallel with described screw mandrel in the described shell, described movable block stretches out the pair of parallel bar to described gag lever post, and described gag lever post is between described pair of parallel bar.
Preferably, in the utility model, described movable block, described pair of parallel bar and described gag lever post be around forming a join domain, and described pair of parallel bar along described screw axis to have one between the upper and lower every.
Preferably, in the utility model, also be provided with a banking stop on the described movable block, be provided with a limit circuit plate at described shell with respect to the position of described banking stop, described banking stop and described limit circuit plate cooperatively interact to limit the shift motion of described movable block.
Second aspect of the present utility model provides a kind of laser alignment instrument, comprise: the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, wherein, described laser alignment instrument comprises foregoing adjusting mechanism, wherein, described swinging mounting links to each other with movable block in the described adjusting mechanism, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
As a kind of optional embodiment, second aspect of the present utility model provides a kind of laser alignment instrument, comprise: the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, wherein, described laser alignment instrument comprises foregoing adjusting mechanism, wherein, described swinging mounting has a connecting link, described connecting link stretch between the described pair of parallel bar between the upper and lower every interior, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
As the optional embodiment of another kind, second aspect of the present utility model provides a kind of laser alignment instrument, the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, wherein, described laser alignment instrument comprises foregoing adjusting mechanism, wherein, described swinging mounting has a connecting link, described connecting link stretches into the described join domain in the described adjusting mechanism, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
Preferably, in the utility model, described laser alignment instrument also comprises a control device, and the positional information that described control device is used for feeding back according to described horizon sensor is controlled the operation mode of described first and second stepper motor.
Preferably, in the utility model, described laser alignment instrument is Geoplane or laser chopper projectoscope.
Based on above-mentioned setting, adjusting mechanism employing bi-motor provided by the utility model cooperates with differential mechanism, realized when swinging mounting and horizontal level deviation are larger, can allowing two motors work simultaneously, thereby screw mandrel has higher rotating speed can allow swinging mounting fast approaching horizontal level; And when soon near horizontal level, the sense of rotation that can only allow single machine operation or change two motors reduces the rotating speed of screw mandrel, thereby can comparatively accurately control the rotation of screw mandrel.
Description of drawings
The explosive view of the adjusting mechanism that Fig. 1 provides for the utility model one preferred embodiment;
The explosive view of differential mechanism part in the adjusting mechanism that Fig. 2 provides for the utility model one preferred embodiment;
Fig. 3 is the schematic top plan view of banking stop in the utility model one preferred embodiment;
Fig. 4 A-4C is the synoptic diagram of banking stop duty in the utility model one preferred embodiment;
The structural representation of the laser alignment instrument that Fig. 5 provides for another preferred embodiment of the utility model;
The structural representation of the laser alignment instrument that Fig. 6 provides for another preferred embodiment of the utility model.
Embodiment
Below with reference to specific embodiment and accompanying drawing the various features that the utility model has are elaborated.
Please first referring to Fig. 1 and Fig. 2, Fig. 1 illustrates the adjusting mechanism 100 of the utility model one preferred embodiment.This adjusting mechanism 100 has the first housing 1 and the second housing 2, two housings are combined to form a shell mutually, are provided with in the enclosure differential mechanism 3, the first stepper motor 4-1, the first driving gear 4-2, the second stepper motor 5-1, the second driving gear 5-2, screw mandrel 6 and movable block 7.
Differential mechanism 3 comprises the first output shaft 3-1 and the second output shaft 3-2 that at one end has differential gear 3-3, a pair of differential pinion gear 3-4 that connects by differential spider pinion shaft 3-5, and wherein, planet wheel 3-4 and differential gear 3-3 are intermeshing.Differential mechanism 3 also has upper shell 3-9 and the lower casing 3-8 of mutual coupling combination, the combination of upper lower casing can form a resettlement section, in order to accommodating above-mentioned parts 3-1 to 3-5, and the output terminal of the first output shaft 3-1 and the second output shaft 3-2 can stretch out respectively shell 3-9 or lower casing 3-8 accordingly.Be provided with the first follower gear 3-6 in the periphery of lower casing 3-8, then be provided with the second follower gear 3-7 at the output terminal of the second output shaft 3-2.
The first driving gear 4-2 is arranged in the rotating shaft of the first stepper motor 4-1, and accordingly, the second driving gear 5-2 is arranged in the rotating shaft of the second stepper motor 5-1.The first driving gear 4-2 is meshed with the first follower gear 3-6, and the second driving gear 5-2 then is meshed with the second follower gear 3-7.
One end of screw mandrel 6 is connected with the output terminal of the first output shaft 3-1 of differential mechanism 3, the other end then stretches into the screw mandrel fixed orifice that arranges on the shell, and link to each other with screw mandrel retainer plate 10, thus, screw mandrel can rotate with the rotation of the first output shaft 3-1, and screw mandrel 6 remains unchanged its position with respect to shell when rotating.7 of movable blocks are threaded with screw mandrel 6.
So arrange, can be by individual operation or the individual operation of the second stepper motor 5-1 or the homophase/antiport of two stepper motors of the first stepper motor 4-1, drive the rotation of the first output shaft 3-1, rotate thereby drive screw mandrel 6, and further impel movable block 7 axially moving up and down along screw mandrel 6.
Need to prove, well-known, differential mechanism be a kind of can make to rotatablely move reach two axles from an axle, and make the latter each other can be with the differential attachment of different rotating speeds rotation.Differential mechanism generally disposes an input shaft and two output shafts.The utility model then is the principle of work of having utilized differential mechanism, and one in two output shafts used as the second input shaft, thereby so that remaining output shaft can produce different rotating speeds and sense of rotation according to two different input transmission situations of input shaft.For example, in the utility model, suppose that the ratio of gear that the first stepper motor can provide is that the ratio of gear that 0.75, the second stepper motor can provide is 0.5, when two motors turned round in the same way, the ratio of gear of the first output shaft output was 0.25; When two motor antiports, the ratio of gear of the first output shaft output is 1.25, when two motor individual operations, then can export respectively 0.75 or 0.5 ratio of gear.So just can by the difference of two motor rotation states, allow screw mandrel produce 4 kinds of different rotating speeds.
Only need above-mentioned adjusting mechanism 100 is placed in the laser alignment instrument, allow movable block 7 be connected with the parts of control horizontal level in the instrument, allow again the horizon sensor in the laser alignment instrument link to each other with motor, allow the operating condition of horizon sensor control motor drive moving up and down of movable block, realize the levelling of laser part in the instrument.
Further in order to prevent that the undue shift motion of movable block to the damage that tool housing produces, can arrange a banking stop 11 at movable block 7, and be provided with limit circuit plate 12 in the second housing 2 interior correspondences.Shown in Fig. 1,3,4A-4C, this banking stop 11 is a right angle bent sheet, and its main part 111 fixes with a side of movable block 7, and bending part 112 is towards limit circuit plate 12.Limit circuit plate 12 stretches out up and down pair of U-shaped groove 121,122 to banking stop 11, be provided with photoelectric tube at this in to U-shaped groove, the bending part 112 of banking stop is mobile in to U-shaped groove at this with the movement of movable block 7, according to banking stop 11 different position in U-shaped groove, judge whether to be in extreme position.Shown in Fig. 4 A, the photoelectric tube about the bending part 112 of banking stop 11 blocks simultaneously in the U-shaped groove, this moment, movable block was in the normal position.Fig. 4 B and 4C then illustrate respectively two extreme positions.In Fig. 4 B, the photoelectric tube in the U-shaped groove 121 in top is not blocked, and movable block 7 is in the bottom limit position; And in Fig. 4 C, the photoelectric tube in the U-shaped groove 122 in below is not blocked, and 7 of movable blocks are in top limit position.
Fig. 5 and Fig. 6 then illustrate a kind of laser alignment instrument 200 with this adjusting mechanism 100.This laser alignment instrument can be Geoplane or laser chopper projectoscope.This laser alignment instrument comprises the housing (not shown), is contained in swinging mounting 210, laser instrument (not shown) and horizon sensor 220 in this housing.Usually, the three relatively fixes and establishes, and namely three's horizontal level relation is consistent.Be provided with a connecting link 211 at swinging mounting 210, this connecting link 211 can directly be connected with movable block 7 or be pivotally connected.
As a kind of preferred embodiment, the utility model provides the connected mode of another connecting link and movable block.See also Fig. 1, in the shell of adjusting mechanism 100, have a gag lever post 9 that is parallel to each other with screw mandrel 6, movable block 7 towards this gag lever post 9 stretch out pair of parallel and have necessarily between the upper and lower every parallel bar 8, gag lever post 9 is between this is to parallel bar 8.Movable block 7, pair of parallel bar 8 and gag lever post 9 have consisted of a join domain like this, and the connecting link 211 of swinging mounting 210 then can stretch into this join domain, so just can realize being connected between connecting link 211 and the movable block 7.
In some other embodiment, allow connecting link 211 stretch into this to parallel bar 8 between the upper and lower every, also can realize being connected between connecting link 211 and the movable block 7.
For the swinging mounting horizontal position information that allows horizon sensor 220 sense is associated with the duty of motor, horizon sensor 220 and two stepper motors can be electrically connected, control the operating condition of two stepper motors by its horizontal position information that senses.For example, when the physical location of swinging mounting and horizontal level deviation are larger, 12 degree as shown in Figure 3, horizon sensor allows simultaneously antiports of two stepper motors, allow screw mandrel produce higher rotating speed, raising is regulated the speed, and allows swinging mounting rapidly near horizontal level; When the physical location of swinging mounting during soon near horizontal level, 1 degree as shown in Figure 4, horizon sensor can only allow certain motor rotation, or allow the simultaneously in the same way running of two motors, adjust precision to reduce the rotating speed of screw mandrel, to improve.
Certainly, in other embodiments, can add a control device (not shown), this control device can be controlled according to the positional information of horizon sensor feedback the operation mode of two stepper motors.
Should be noted that, embodiment of the present utility model has better implementation, and be not that the utility model is done any type of restriction, any person skilled in art of being familiar with may utilize the technology contents change of above-mentioned announcement or be modified to the effective embodiment that is equal to, in every case the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any modification or equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (10)
1. an adjusting mechanism is characterized in that, comprising:
-differential mechanism, it has the first output shaft, the second output shaft and the first follower gear, and the end of described the second output shaft outside it stretches out described differential mechanism is provided with the second follower gear;
The-the first stepper motor, its rotating shaft is provided with the first driving gear, and described the first driving gear is meshed with described the first follower gear;
The-the second stepper motor, its rotating shaft is provided with the second driving gear, and described the second driving gear is meshed with described the second follower gear;
-screw mandrel, its first end links to each other with described the first output shaft, and described screw mandrel rotates with the rotation of described the first output shaft; And
-movable block is connected with described wire rod thread, and with the rotation of the described screw mandrel axially-movable along described screw mandrel;
Wherein, described the first output shaft with described the first stepper motor and described the second stepper motor same rotate, backward rotation or rotate separately and rotate, thereby drive the motion of described movable block.
2. adjusting mechanism as claimed in claim 1 is characterized in that, described adjusting mechanism also comprises a shell, and described differential mechanism, described first, second stepper motor, described screw mandrel and described movable block are arranged in the described shell.
3. adjusting mechanism as claimed in claim 2 is characterized in that, is provided with screw mandrel fixed orifice and screw mandrel retainer plate on the described shell, and the second end of described screw mandrel is fixed by described screw mandrel fixed orifice and described screw mandrel retainer plate and described shell.
4. adjusting mechanism as claimed in claim 2 is characterized in that, also has and the gag lever post established parallel with described screw mandrel in the described shell, and described movable block stretches out the pair of parallel bar to described gag lever post, and described gag lever post is between described pair of parallel bar.
5. adjusting mechanism as claimed in claim 4 is characterized in that, described movable block, described pair of parallel bar and described gag lever post be around forming a join domain, and described pair of parallel bar along described screw axis to have one between the upper and lower every.
6. adjusting mechanism as claimed in claim 2, it is characterized in that, also be provided with a banking stop on the described movable block, be provided with a limit circuit plate at described shell with respect to the position of described banking stop, described banking stop and described limit circuit plate cooperatively interact to limit the shift motion of described movable block.
7. laser alignment instrument, comprise: the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, it is characterized in that, described laser alignment instrument comprises such as each described adjusting mechanism in claim 1-4 and 6, wherein, described swinging mounting links to each other with movable block in the described adjusting mechanism, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
8. laser alignment instrument, comprise: the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, it is characterized in that, described laser alignment instrument comprises such as each described adjusting mechanism in claim 1-4 and 6, wherein, described swinging mounting has a connecting link, described connecting link stretch between the described pair of parallel bar between the upper and lower every interior, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
9. laser alignment instrument, comprise: the swinging mounting that relatively is fixedly connected with, laser instrument and horizon sensor, it is characterized in that, described laser alignment instrument comprises adjusting mechanism as claimed in claim 5, wherein, described swinging mounting has a connecting link, described connecting link stretches into the described join domain in the described adjusting mechanism, the first stepper motor of described horizon sensor and described adjusting mechanism and the second stepper motor are electrically connected, and described the first stepper motor and described the second stepper motor carry out with rotating according to the positional information of described horizon sensor feedback, backward rotation or separately rotation.
10. such as each described laser alignment instrument in the claim 7,8 or 9, it is characterized in that, described laser alignment instrument also comprises a control device, and the positional information that described control device is used for feeding back according to described horizon sensor is controlled the operation mode of described first and second stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199447 CN203249622U (en) | 2013-04-18 | 2013-04-18 | Adjusting mechanism and laser alidade with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199447 CN203249622U (en) | 2013-04-18 | 2013-04-18 | Adjusting mechanism and laser alidade with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249622U true CN203249622U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320199447 Withdrawn - After Issue CN203249622U (en) | 2013-04-18 | 2013-04-18 | Adjusting mechanism and laser alidade with same |
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| CN (1) | CN203249622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968811A (en) * | 2013-04-18 | 2014-08-06 | 常州华达科捷光电仪器有限公司 | Adjusting mechanism and laser collimator with same |
| CN106679637A (en) * | 2016-12-15 | 2017-05-17 | 宁波舜宇测绘科技有限公司 | Double-motor type laser casting tracking device |
-
2013
- 2013-04-18 CN CN 201320199447 patent/CN203249622U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968811A (en) * | 2013-04-18 | 2014-08-06 | 常州华达科捷光电仪器有限公司 | Adjusting mechanism and laser collimator with same |
| WO2014169405A1 (en) * | 2013-04-18 | 2014-10-23 | 常州华达科捷光电仪器有限公司 | Adjusting mechanism and laser collimator having same |
| CN103968811B (en) * | 2013-04-18 | 2016-02-17 | 常州华达科捷光电仪器有限公司 | A kind of adjusting mechanism and there is the laser alignment instrument of this adjusting mechanism |
| US9952402B2 (en) | 2013-04-18 | 2018-04-24 | Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd. | Adjusting mechanism and laser collimator having the same |
| CN106679637A (en) * | 2016-12-15 | 2017-05-17 | 宁波舜宇测绘科技有限公司 | Double-motor type laser casting tracking device |
| CN106679637B (en) * | 2016-12-15 | 2019-01-15 | 宁波舜宇测绘科技有限公司 | Double motor type laser demarcation follow-up mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |