CN103042397B - Electrical rotary table limiting mechanism with rotary angle range not exceeding 360 degrees - Google Patents

Electrical rotary table limiting mechanism with rotary angle range not exceeding 360 degrees Download PDF

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Publication number
CN103042397B
CN103042397B CN201210578352.6A CN201210578352A CN103042397B CN 103042397 B CN103042397 B CN 103042397B CN 201210578352 A CN201210578352 A CN 201210578352A CN 103042397 B CN103042397 B CN 103042397B
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China
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angle
axis
projection
switch
travel switch
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CN201210578352.6A
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Chinese (zh)
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CN103042397A (en
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严金根
沙旭南
刘一鸣
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中国船舶重工集团公司第七二三研究所
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Publication of CN103042397A publication Critical patent/CN103042397A/en
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Abstract

The invention relates to an electrical rotary table limiting mechanism with the rotary angle range not exceeding 360 degrees. The electrical rotary table limiting mechanism comprises a base, a rotary shaft, a deep groove ball bearing, a first support, a second support, a third support, a fourth support, a first travel switch, a second travel switch, a third travel switch, a fourth travel switch, a first projection, a second projection, a third projection, a fourth projection, an annular travel stopper and a rotary transformer. The electrical rotary table limiting mechanism is characterized in that the four supports are fixedly connected in the front, in the rear, on the left and on the right of the base respectively, are different in height and mounting angle and are the same in mounting radius, the annular travel stopper is sleeved on the rotary shaft below the rotary transformer, the side faces of the annular travel stopper extend outwards to form the four projections, the travel switches are fixedly connected on the supports, and when the electrical rotary table limiting mechanism is in operation, the travel switches and the four projections are used for adjusting the limiting state of a rotary table by means of butting and pressing. Therefore, the electrical rotary table limiting mechanism is simple, practical and low in cost and is capable of meeting requirements of large limiting angles.

Description

A kind of angle range is no more than the turntable electric limiting mechanism of 360 °
Technical field
The invention belongs to turret design technical field, relate to the turntable electric limiting mechanism that a kind of angle range is no more than 360 °.
Background technology
For the turntable that angle range is no more than 360 °, Liang Zu electric limiting mechanism is set and can plays position limitation protection effect.Respectively there are two cover stopping means in Mei Zu electric limiting mechanism.First set is spacing in advance, reduces rotating speed; Second cover, for spacing eventually, control motor braking, stops operating.Often overlap stopping means to be all made up of limit switch and stroke dog.
When electric limiting angle is comparatively large or installing space by limited time, often overlap in the installation of stopping means and motion process to exist and mutually interfere.Therefore traditional spacing method for designing is difficult to realize reliable position limitation protection effect.
Summary of the invention
The object of the invention is the defect in order to overcome prior art, in order to solve electric limiting angle larger time, install and motion process in interference problem, the turntable electric limiting mechanism that a kind of angle range is no more than 360 ° is proposed.
Mechanism of the present invention is achieved through the following technical solutions:
Comprise pedestal, rotating shaft, deep groove ball bearing, the first support, the second support, the 3rd support, the 4th support, the first travel switch, the second travel switch, third trip switch, fourth line journey switch, the first projection, the second projection, the 3rd projection, the 4th projection, annular stroke dog, rotary transformer; It is characterized in that: described four supports are connected on the four direction all around of pedestal, four support height differences, setting angle is different, installs radius identical; Rotating shaft below rotary transformer is set with annular stroke dog, the side of annular stroke dog is outward extended with four projections, described travel switch is connected on support, and when work runs, travel switch and four project through the mode of conflicting and compressing to regulate the spacing state of turntable;
Further: upwards to judge along clockwise direction from the bottom of rotating shaft, the first shape that is protruding and the second projection is low early and high after, and the 3rd shape that is protruding and the 4th projection is low after front height.
Further: the position of four travel switches is on same installation radius, to install the center of circle of radius for initial point, be divided into XYZ axle, the central axis coaxial of Z-direction and rotating shaft, first stroke switch bit is in the left front of Y-axis, and be α with the angle of Y-axis, the second travel switch is positioned at the right back of Y-axis, be β with the angle of Y-axis, and angle α is less than angle β; Third trip switch is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch > second travel switch > third trip switch > fourth line journey switch;
First projection, the second projection, the 3rd projection, the 4th projection and above-mentioned travel switch are under same coordinate system, first projection is positioned at the left back of Y-axis, being the right front that α 1, second projection is positioned at Y-axis with the angle of Y-axis, be β 1, and angle α 1 is less than angle β 1 with the angle of Y-axis; 3rd projection is positioned at the left back of X-axis, be γ 1 with the angle of X-axis, the 4th projection is positioned at the right front of X-axis, is δ 1 with the angle of X-axis, and angle γ 1 is less than angle δ 1, and then angle α 1 is equal with angle γ 1, angle β 1 is equal with angle δ 1, first is protruding consistent with the first stroke switch height, second is protruding consistent with the second travel switch height, and the 3rd is protruding consistent with third trip switch height, and the 4th is protruding consistent with fourth line journey switch height.
Further: the first stroke switch bit is in the left front of Y-axis, and be α with the angle of Y-axis, the second travel switch is positioned at the right back of Y-axis, be β, and angle α is less than angle β with the angle of Y-axis; Third trip switch is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch > second travel switch > third trip switch > fourth line journey switch.
First projection, the second projection, the 3rd projection, the 4th projection and above-mentioned travel switch are under same coordinate system, first projection is positioned at the left back of Y-axis, being the right front that α 1, second projection is positioned at Y-axis with the angle of Y-axis, be β 1, and angle α 1 is less than angle β 1 with the angle of Y-axis; 3rd projection is positioned at the left back of X-axis, is γ 1 with the angle of X-axis, and the 4th projection is positioned at the right front of X-axis, be δ 1, and angle γ 1 is less than angle δ 1 with the angle of X-axis.
Further: angle α 1 is equal with angle γ 1, angle β 1 is equal with angle δ 1, and first is protruding consistent with the first stroke switch height, and second is protruding consistent with the second travel switch height, 3rd is protruding consistent with third trip switch height, and the 4th is protruding consistent with fourth line journey switch height.
Workflow:
Power on, open all travel switches in running order, namely closed state, now, along with turntable is started working, rotary transformer records rotating speed and the direction of rotation of turntable, and subsequent signal, to control system, informs turntable rotating speed now and direction of rotation; If, upwards judge along clockwise direction from the bottom of rotating shaft, annular stroke dog rotates clockwise with rotating shaft, when the anglec of rotation reaches the pre-spacing angle of setting in advance, compression action is carried out to the second travel switch from low to high in the second projection, thus make the second travel switch be in on-state, simultaneously, the trip switch also sends signal to control system, control system sends reduce-speed sign, make turntable underdrive, and when decelerating to setting speed, keep turntable uniform rotation at such speeds; Setting speed with compression action remain valid state time turntable speed be advisable;
When spacing angle at the end reaching setting, the first projection carries out compression action to the first travel switch from low to high, thus makes the first travel switch be in on-state, and the trip switch sends signal to control system, and control system controls turntable and stops operating;
And the 3rd protruding and third trip switch, between the 4th projection and fourth line journey switch, do not contact each other, be in idling conditions;
If upwards judge in the counterclockwise direction from the bottom of rotating shaft, if annular stroke dog rotates counterclockwise with rotating shaft, when the anglec of rotation reaches the pre-spacing angle of setting, carry out compression action to fourth line journey switch from low to high in the 4th projection, thus make fourth line journey switch be in on-state, and send signal to control system, control system sends reduce-speed sign, make turntable underdrive, and when decelerating to setting speed, keep turntable uniform rotation at such speeds;
When spacing angle at the end reaching setting, the 3rd projection carries out compression action to third trip switch from low to high, thus makes third trip switch be in on-state, and sends signal to control system, and control system controls turntable and stops operating;
And first protruding and the first travel switch, between the second projection and the second travel switch, do not contact each other, be in idling conditions;
Thus by above-mentioned work, turntable electric limiting mechanism effectively can complete angle range, and to be no more than 360 ° of operating modes spacing.
Beneficial effect
The present invention utilize all around arrange, the different cam that travel switch is all around arranged from annular stroke dog, high and low position is different of high and low position produces action, and non-interference in the installation of clockwise electric limiting mechanism and counterclockwise electric limiting mechanism and motion process; Therefore electric limiting mechanism of the present invention is simple, practical, cost is low, and can meet the needs compared with day of one's doom parallactic angle degree.
Accompanying drawing explanation
Fig. 1 is the fore-and-aft direction sectional view that angle range of the present invention is no more than the turntable electric limiting mechanism of 360 °.
Fig. 2 is the left and right directions sectional view that angle range of the present invention is no more than the turntable electric limiting mechanism of 360 °.
Fig. 3 is the upward view that angle range of the present invention is no more than the turntable electric limiting mechanism of 360 °.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
The technical program comprises: pedestal 1, rotating shaft 2, deep groove ball bearing 3, first support 9, second support 4, the 3rd support 15, the 4th support 10, first travel switch 8, second travel switch 5, third trip switch 14, fourth line journey switch 11, first projection 6, second projection 7, the 3rd projection 12, the 4th projection 13, annular stroke dog 16, rotary transformer 17.Described four supports are connected by screw on the four direction all around of pedestal, four support height differences, and setting angle is different, install radius identical.Described travel switch is rack-mount by screw, and travel switch position can regulate along shaft radius direction.
Pedestal 1 is circular ring type structure, centre is through hole, rotating shaft 2 is socketed in the through hole of pedestal 1 by bearing 3, the length of rotating shaft 2 should be greater than the height of pedestal 1, in the centre position, bottom of pedestal 1, the outer race of rotating shaft 2 is equipped with rotary transformer 17, and the standing part of rotary transformer 17 and the basal surface of pedestal 1 are connected, and rotating part and the rotating shaft 2 of rotary transformer 17 are set with; Periphery bottom pedestal 1 is fixed with four supports, is expressed as: the first support 9, second support 4, the 3rd support 15, the 4th support 10; A travel switch is installed in the lower end of each support, is expressed as: the first travel switch 8, second travel switch 5, third trip switch 14, fourth line journey switch 11; Corresponding relation between them is: the first support 9 is corresponding with the first travel switch 8; Second support 4 is corresponding with the second travel switch 5, and the 3rd support 15 is corresponding with third trip switch 14, and the 4th support 10 is corresponding with fourth line journey switch 11; On rotating shaft 2 below rotary transformer 17, suit is fixed with annular stroke dog 16, the side of annular stroke dog 16 is outward extended with four projections, be expressed as: the first projection 6, second projection 7, the 3rd projection 12, the 4th projection 13, wherein, upwards judge along clockwise direction from the bottom of rotating shaft 2, the shape of the first protruding 6 and second projection 7 is low early and high after, and the shape of the the 3rd protruding 12 and the 4th projection 13 is low after front height;
Wherein, the position of four travel switches (is as the criterion with installation radius during actual installation) on same installation radius, to install the center of circle of radius for initial point, be divided into XYZ axle, the central axis coaxial of Z-direction and rotating shaft 2, the first travel switch 8 is positioned at the left front of Y-axis, be α with the angle of Y-axis, second travel switch 5 is positioned at the right back of Y-axis, be β, and angle α is less than angle β with the angle of Y-axis; Third trip switch 14 is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch 11 is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch 8 > second travel switch 5 > third trip switch 14 > fourth line journey switch 11;
First projection 6, second projection 7, the 3rd projection 12, the 4th projection 13 and above-mentioned travel switch are under same coordinate system, first projection 6 is positioned at the left back of Y-axis, be the right front that α 1, second projection 7 is positioned at Y-axis with the angle of Y-axis, be β 1 with the angle of Y-axis, and angle α 1 is less than angle β 1; 3rd projection 12 is positioned at the left back of X-axis, be γ 1 with the angle of X-axis, the 4th projection 13 is positioned at the right front of X-axis, is δ 1 with the angle of X-axis, and angle γ 1 is less than angle δ 1, and then angle α 1 is equal with angle γ 1, angle β 1 is equal with angle δ 1, first projection 6 is highly consistent with the first travel switch 8, second projection 7 is highly consistent with the second travel switch 5, and the 3rd projection 12 is highly consistent with third trip switch 14, and the 4th projection 13 is highly consistent with fourth line journey switch 11;
If when turntable is in said structure position, turntable is positioned at zero-bit; Particular location is: the first travel switch 8 is positioned at the left front of Y-axis, is α with the angle of Y-axis, and the second travel switch 5 is positioned at the right back of Y-axis, be β, and angle α is less than angle β with the angle of Y-axis; Third trip switch 14 is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch 11 is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch 8 > second travel switch 5 > third trip switch 14 > fourth line journey switch 11; Height between each travel switch is equidistantly arrange.
First projection 6, second projection 7, the 3rd projection 12, the 4th projection 13 and above-mentioned travel switch are under same coordinate system, first projection 6 is positioned at the left back of Y-axis, be the right front that α 1, second projection 7 is positioned at Y-axis with the angle of Y-axis, be β 1 with the angle of Y-axis, and angle α 1 is less than angle β 1; 3rd projection 12 is positioned at the left back of X-axis, be γ 1 with the angle of X-axis, the 4th projection 13 is positioned at the right front of X-axis, is δ 1 with the angle of X-axis, and angle γ 1 is less than angle δ 1, and then angle α 1 is equal with angle γ 1, angle β 1 is equal with angle δ 1, first projection 6 is highly consistent with the first travel switch 8, second projection 7 is highly consistent with the second travel switch 5, and the 3rd projection 12 is highly consistent with third trip switch 14, and the 4th projection 13 is highly consistent with fourth line journey switch 11;
Workflow:
This method is divided into two kinds of situations, and the first situation is spacing in advance, and the second situation is spacing eventually.
Power on, open all travel switches in running order, the state of namely closing, now, along with turntable is started working, rotary transformer 17 records rotating speed and the direction of rotation of turntable, and subsequent signal, to control system, informs turntable rotating speed now and direction of rotation; If, upwards judge along clockwise direction from the bottom of rotating shaft 2, annular stroke dog 16 rotates clockwise with rotating shaft 2, when the anglec of rotation reaches the pre-spacing angle of setting in advance, compression action is carried out to the second travel switch 5 from low to high in the second projection 7, thus make the second travel switch 5 be in on-state, simultaneously, the trip switch also sends signal to control system, control system sends reduce-speed sign, make turntable underdrive, and when decelerating to setting speed, keep turntable uniform rotation at such speeds; Wherein, setting speed with compression action remain valid state time turntable speed be advisable;
When spacing angle at the end reaching setting, the first projection 6 carries out compression action to the first travel switch 8 from low to high, thus makes the first travel switch 8 be in on-state, and sends signal to control system, and control system controls turntable and stops operating;
And the 3rd projection 12 and third trip switch 14, between the 4th protruding 13 and fourth line journey switch 11, do not contact each other, be in idling conditions;
If upwards judge in the counterclockwise direction from the bottom of rotating shaft 2, if annular stroke dog 16 rotates counterclockwise with rotating shaft 2, when the anglec of rotation reaches the pre-spacing angle of setting, carry out compression action to fourth line journey switch 11 from low to high in the 4th projection 13, thus make fourth line journey switch 11 be in on-state, and send signal to control system, control system sends reduce-speed sign, make turntable underdrive, and when decelerating to setting speed, keep turntable uniform rotation at such speeds;
When spacing angle at the end reaching setting, the 3rd projection 12 carries out compression action to third trip switch 14 from low to high, thus makes third trip switch 14 be in on-state, and sends signal to control system, and control system controls turntable and stops operating;
And between the first protruding 6 and first travel switch 8, the second protruding 7 and the second travel switch 5, do not contact each other, be in idling conditions;
Thus by above-mentioned work, turntable electric limiting mechanism effectively can complete angle range, and to be no more than 360 ° of operating modes spacing.
Above embodiment is one of better embodiment of the present invention, and every equivalent replacement carried out under the spirit and principles in the present invention, local improvement all will be considered as within protection scope of the present invention.

Claims (4)

1. an angle range is no more than the turntable electric limiting mechanism of 360 °, comprise pedestal (1), rotating shaft (2), deep groove ball bearing (3), first support (9), second support (4), 3rd support (15), 4th support (10), first travel switch (8), second travel switch (5), third trip switch (14), fourth line journey switch (11), first projection (6), second projection (7), 3rd projection (12), 4th projection (13), annular stroke dog (16), rotary transformer (17), it is characterized in that: described four supports are connected on the four direction all around of pedestal, four support height differences, setting angle is different, installs radius identical, the rotating shaft (2) of rotary transformer (17) below is set with annular stroke dog (16), the side of annular stroke dog (16) is outward extended with four projections, described travel switch is connected on support, and when work runs, travel switch and four project through the mode of conflicting and compressing to regulate the spacing state of turntable.
2. a kind of angle range according to claim 1 is no more than the turntable electric limiting mechanism of 360 °, it is characterized in that: upwards judge along clockwise direction from the bottom of rotating shaft (2), the shape of the first projection (6) and the second projection (7) is low early and high after, and the shape of the 3rd projection (12) and the 4th projection (13) is low after front height.
3. a kind of angle range according to claim 1 is no more than the turntable electric limiting mechanism of 360 °, it is characterized in that:
The position of four travel switches is on same installation radius, to install the center of circle of radius for initial point, be divided into XYZ axle, the central axis coaxial of Z-direction and rotating shaft (2), first travel switch (8) is positioned at the left front of Y-axis, is α with the angle of Y-axis, and the second travel switch (5) is positioned at the right back of Y-axis, be β with the angle of Y-axis, and angle α is less than angle β, third trip switch (14) is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch (11) is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch (8) > second travel switch (5) > third trip switch (14) > fourth line journey switch (11),
First projection (6), the second projection (7), the 3rd projection (12), the 4th projection (13) and above-mentioned travel switch are under same coordinate system, first projection (6) is positioned at the left back of Y-axis, be the right front that α 1, second projection (7) is positioned at Y-axis with the angle of Y-axis, be β 1 with the angle of Y-axis, and angle α 1 is less than angle β 1, 3rd projection (12) is positioned at the left back of X-axis, be γ 1 with the angle of X-axis, 4th projection (13) is positioned at the right front of X-axis, be δ 1 with the angle of X-axis, and angle γ 1 is less than angle δ 1, and then, angle α 1 is equal with angle γ 1, angle β 1 is equal with angle δ 1, first projection (6) is highly consistent with the first travel switch (8), second projection (7) is highly consistent with the second travel switch (5), 3rd projection (12) is highly consistent with third trip switch (14), 4th projection (13) is highly consistent with fourth line journey switch (11).
4. a kind of angle range according to claim 1 is no more than the turntable electric limiting mechanism of 360 °, it is characterized in that:
Particular location is: the first travel switch (8) is positioned at the left front of Y-axis, is α with the angle of Y-axis, and the second travel switch (5) is positioned at the right back of Y-axis, be β, and angle α is less than angle β with the angle of Y-axis, third trip switch (14) is positioned at the right back of X-axis, be γ with the angle of X-axis, fourth line journey switch (11) is positioned at the left front of X-axis, be δ with the angle of X-axis, and angle γ is less than angle δ, and then, angle α is equal with angle γ, angle β is equal with angle δ, each travel switch height is also different, in Z-direction, height distributing order is: the first travel switch (8) > second travel switch (5) > third trip switch (14) > fourth line journey switch (11).
CN201210578352.6A 2012-12-27 2012-12-27 Electrical rotary table limiting mechanism with rotary angle range not exceeding 360 degrees CN103042397B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061951B (en) * 2014-06-05 2016-08-17 中国科学院西安光学精密机械研究所 Two-dimensional tracking turntable surpasses 360 ° of rotary position-limit mechanisms
CN105353774B (en) * 2014-08-22 2018-03-20 北京瑞赛长城航空测控技术有限公司 The optional formula limiting mechanism of rotary table in angle range 0~± 360 °
CN105919349A (en) * 2016-07-05 2016-09-07 成都我来啦网格信息技术有限公司 Annular locker
CN109917849B (en) * 2019-03-12 2020-11-13 湖南星邦智能装备股份有限公司 Rotary table rotation electrical limiting device, control method and engineering machinery vehicle

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Patentee after: Hebowi (Jiangsu) Technology Development Co., Ltd.

Address before: 225001 Yangzhou, South Jiangsu Province under the No. 26

Patentee before: No. 723 Research Institute of China Shipbuilding Industry Corporation

C41 Transfer of patent application or patent right or utility model
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: 20150107

Termination date: 20181227