CN203981349U - A kind of bi-directional synchronization motion central balancing regulating device - Google Patents
A kind of bi-directional synchronization motion central balancing regulating device Download PDFInfo
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- CN203981349U CN203981349U CN201420212498.3U CN201420212498U CN203981349U CN 203981349 U CN203981349 U CN 203981349U CN 201420212498 U CN201420212498 U CN 201420212498U CN 203981349 U CN203981349 U CN 203981349U
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- nut slider
- gear
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Abstract
The utility model provides a kind of bi-directional synchronization motion central balancing regulating device, comprising: the first lead screw guide rails be arrangeding in parallel and the second lead screw guide rails, in the first lead screw guide rails, be provided with the first nut slider, and apparatus measures head is installed on the first nut slider; In the second lead screw guide rails, be provided with the second nut slider, on the second nut slider, be provided with balancing weight; Gear train, it is connected between described the first lead screw guide rails and described the second lead screw guide rails; Stepper motor, it is connected to gear train and drives the first lead screw guide rails and the rotation of the second lead screw guide rails with control gear system, thus control the first nut slider and the second nut slider are synchronized with the movement simultaneously in the opposite direction.Utilize bi-directional synchronization motion central balancing regulating device of the present utility model, having eliminated the measuring head that causes because of the center of gravity inequality of apparatus measures head and distance and the angle of testee changes, ensure the precision of measuring, solved the track that causes because of measuring head unbalance stress and the problem of wheel wearing and tearing simultaneously.
Description
Technical field
The utility model relates to a kind of bi-directional synchronization motion central balancing regulating device.
Background technology
Due to coating thickness detector employing is at present telescopic cantilever formula measuring head form, under non-measuring state, center of gravity is offset, when measuring state, measuring head needs near belt steel surface, and in prior art, there is no gravity centre automatic balancing device, measuring head center of gravity can be offset, long-time scanning walking, easily causes measuring head bottom wheel generation uneven wear, and measuring head and belt steel surface distance and angle will change.
From coating thickness detector measuring principle, XRF is measured measuring head and the angle with steel is required to very strict (<0.5 °), therefore require the measuring head of coating thickness detector to be arranged on both sides or the S roller place of jockey pulley, with ensure measuring head and the stable distance with steel and measurement result accurately.Simultaneously also very high with the requirement with steel distance to measuring head, distance is nearer, can strengthen signal to noise ratio (S/N ratio) and control radiant quantity.Therefore in prior art owing to there is no gravity centre automatic balancing device, measuring head center of gravity inequality caused that measuring head and measured object distance and angle change, and had a strong impact on the precision of measuring, and measuring head unbalance stress also caused the wearing and tearing of track and wheel.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of bi-directional synchronization motion central balancing regulating device, can effectively solve the centre-of gravity shift of telescopic cantilever formula measuring head.
Bi-directional synchronization motion central balancing regulating device of the present utility model comprises: the first lead screw guide rails be arrangeding in parallel and the second lead screw guide rails, in described the first lead screw guide rails, be provided with the first nut slider, and in described the second lead screw guide rails, be provided with the second nut slider; Apparatus measures head, it is arranged on described the first nut slider; Balancing weight, it is arranged on described the second nut slider so that described apparatus measures head is carried out to counterweight; Gear train, it is connected between described the first lead screw guide rails and described the second lead screw guide rails; Stepper motor, it is connected to described gear train and drives described the first lead screw guide rails and described the second lead screw guide rails rotation to control described gear train, is synchronized with the movement in the opposite direction with described the second nut slider while thereby control described the first nut slider.
Preferably, described gear train comprises driving gear, idle gear and follower gear, and wherein driving gear is connected with described stepper motor, and meshing, the described follower gear of described idle gear and described driving gear and described idle gear are meshing; Thereby described driving gear is connected to drive the first lead screw guide rails rotation to control the motion of described the first nut slider with described the first lead screw guide rails, thereby described follower gear is connected to drive the second lead screw guide rails rotation to control the motion of described the second nut slider with described the second lead screw guide rails.
Preferably, described regulating device also comprises driver, and it is connected to described stepper motor so that described stepper motor is driven.
Preferably, the quality of the quality of described balancing weight and described apparatus measures head is roughly equal.
Preferably, the diameter of described driving gear and described follower gear is roughly the same.
Utilize bi-directional synchronization motion central balancing regulating device of the present utility model, in working order, apparatus measures head and balancing weight can move to location of equal place simultaneously on the contrary, therefore in the time measuring, remain that the moment that apparatus measures moment that head produces produces with balancing weight equates all the time, thereby reach the gravity balance of whole apparatus measures head, having eliminated the measuring head that causes because of the center of gravity inequality of apparatus measures head and distance and the angle of testee changes, ensure the precision of measuring, solved the problem of the track that causes because of measuring head unbalance stress and wheel wearing and tearing simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of bi-directional synchronization motion central balancing regulating device of the present utility model;
Fig. 2 is the vertical view of part-structure in Fig. 1;
Fig. 3 is the working state schematic representation of an embodiment of bi-directional synchronization motion central balancing regulating device of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of bi-directional synchronization motion central balancing regulating device of the present utility model is described.
Fig. 1 is the structural representation of an embodiment of bi-directional synchronization motion central balancing regulating device of the present utility model, and Fig. 2 is the vertical view of part-structure in Fig. 1.The bi-directional synchronization motion central balancing regulating device of present embodiment comprises the first lead screw guide rails 21 and the second lead screw guide rails 31 that be arranged in parallel, in the first lead screw guide rails 21, be provided with the first nut slider 22, move in the first lead screw guide rails 21 for carrying apparatus measures 23.In the second lead screw guide rails 31, be provided with the second nut slider 32, move in the second lead screw guide rails 31 for carrying balancing weight 33, wherein the quality of apparatus measures 23 and the quality of balancing weight 33 are roughly the same.
The bi-directional synchronization motion central balancing regulating device of present embodiment also comprises driver 15 and the stepper motor 11 that controlled by driver 15, stepper motor 11 is connected and is used for controlling driving gear 12 with driving gear 12, driving gear 12 is meshing with idle gear 13, idle gear 13 is meshing with follower gear 14, wherein the diameter of the diameter of driving gear 12 and follower gear 14 is roughly the same, thereby therefore when rotating, stepper motor 11 drive driving gear 12 while rotating, by the transmission of idle gear 13, follower gear 14 rotates with the speed identical with driving gear 12 and identical direction.Driving gear 12 is connected with the first lead screw guide rails 21, by the rotating drive lead screw guide rails rotation of driving gear 12, thereby drives the first nut slider 22 to slide in the first lead screw guide rails 21.Follower gear 14 is connected with the second lead screw guide rails 31, by the rotating drive lead screw guide rails rotation of follower gear 14, thereby drives the second nut slider 32 to slide in the second lead screw guide rails 31.
As optional embodiment, driver 15 can be connected in measure field or the controllor for step-by-step motor in remote location place 16, and controllor for step-by-step motor 16 is realized digital control by driver 15 is sent to drive control signal.
Fig. 3 is the working state schematic representation of an embodiment of bi-directional synchronization motion central balancing regulating device of the present utility model, when work, controllor for step-by-step motor 16 is set umber of pulse and the pulsed frequency sent as requested, come speed and the stroke of control step motor, driver 15 is high performance subdivision driver, further meet the requirement to measuring accuracy, carry out forward or reversion when stepper motor 11 receives after driver 15 drives electric power.In the time of stepper motor 11 forward, driving gear 12 and follower gear 14 are according to same angular velocity forward, thereby driven the first nut slider 22 and the second nut slider 32 respectively along the first lead screw guide rails 21 and the second lead screw guide rails 31 with same speed and frequency to mutually away from direction move, therefore drive apparatus measures 23 and balancing weight 33 also with same speed and frequency to mutually away from direction move.Because apparatus measures 23 has identical quality with balancing weight 33, therefore when mobile, produce identical moment, thereby realized gravity balance adjusting.In the time that stepper motor 11 reverses, in like manner known apparatus measures 23 and balancing weight 33 move to close direction mutually with same speed and frequency respectively, keep equally identical moment, reach the object of adjustment.
Utilize the bi-directional synchronization motion central balancing regulating device of present embodiment, by apparatus measures head and balancing weight bi-directional synchronization motion in symmetrical lead screw guide rails respectively, solve the measurement out of true that apparatus measures head causes because of centre-of gravity shift under measuring state, improve the measuring accuracy of checkout equipment, extend the serviceable life of moving component, and alleviation causes the uneven wear of road wheel and track for a long time under scanning survey state because of centre-of gravity shift, and can keep measuring head gravity balance, ensure that measuring distance and angle between measuring head and measured object change less, further improve measuring accuracy.
In addition, the utility model is not limited to present embodiment, can have various deformation not departing within the scope of claim.
Claims (5)
1. a bi-directional synchronization motion central balancing regulating device, is characterized in that, comprising:
The first lead screw guide rails be arrangeding in parallel and the second lead screw guide rails, be provided with the first nut slider in described the first lead screw guide rails, in described the second lead screw guide rails, is provided with the second nut slider;
Apparatus measures head, it is arranged on described the first nut slider;
Balancing weight, it is arranged on described the second nut slider so that described apparatus measures head is carried out to counterweight;
Gear train, it is connected between described the first lead screw guide rails and described the second lead screw guide rails;
Stepper motor, it is connected to described gear train and drives described the first lead screw guide rails and described the second lead screw guide rails rotation to control described gear train, is synchronized with the movement in the opposite direction with described the second nut slider while thereby control described the first nut slider.
2. bi-directional synchronization motion central balancing regulating device as claimed in claim 1, it is characterized in that, described gear train comprises driving gear, idle gear and follower gear, wherein driving gear is connected with described stepper motor, and meshing, the described follower gear of described idle gear and described driving gear and described idle gear are meshing; Thereby described driving gear is connected to drive the first lead screw guide rails rotation to control the motion of described the first nut slider with described the first lead screw guide rails, thereby described follower gear is connected to drive the second lead screw guide rails rotation to control the motion of described the second nut slider with described the second lead screw guide rails.
3. bi-directional synchronization motion central balancing regulating device as claimed in claim 2, is characterized in that, also comprises driver, and it is connected to described stepper motor so that described stepper motor is driven.
4. bi-directional synchronization motion central balancing regulating device as claimed in claim 2, is characterized in that, the quality of described balancing weight equates with the quality of described apparatus measures head.
5. bi-directional synchronization motion central balancing regulating device as claimed in claim 2, is characterized in that, described driving gear is identical with the diameter of described follower gear.
Priority Applications (1)
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CN201420212498.3U CN203981349U (en) | 2014-04-28 | 2014-04-28 | A kind of bi-directional synchronization motion central balancing regulating device |
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CN201420212498.3U CN203981349U (en) | 2014-04-28 | 2014-04-28 | A kind of bi-directional synchronization motion central balancing regulating device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
CN106092444A (en) * | 2016-08-02 | 2016-11-09 | 北方民族大学 | The gravity balance device of a kind of Dual-motors Driving and control method |
CN109870123A (en) * | 2017-12-04 | 2019-06-11 | 河北高达电子科技有限公司 | A kind of a wide range of deviation measurement device of counter weight type |
CN112869876A (en) * | 2021-01-12 | 2021-06-01 | 天津大学 | Gravity balancing device for translational adjustment of interventional medical robot |
-
2014
- 2014-04-28 CN CN201420212498.3U patent/CN203981349U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
CN106092444A (en) * | 2016-08-02 | 2016-11-09 | 北方民族大学 | The gravity balance device of a kind of Dual-motors Driving and control method |
CN109870123A (en) * | 2017-12-04 | 2019-06-11 | 河北高达电子科技有限公司 | A kind of a wide range of deviation measurement device of counter weight type |
CN112869876A (en) * | 2021-01-12 | 2021-06-01 | 天津大学 | Gravity balancing device for translational adjustment of interventional medical robot |
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