CN203765644U - RV reduction box rotating shaft - Google Patents

Abstract

The utility model discloses an RV reduction box rotating shaft. An RV reduction box is used as the rotating shaft, an input shaft and an output shaft are coaxial, so that the whole structure is compact, the size is small, and vibration and noise are limited to the minimum degree. The RV reduction box rotating shaft is high in overload capacity, resistant to impact, small in inertia moment, suitable for occasions with frequent starts, forward rotation and backward rotation and capable of obtaining the low output rotation speed. The RV reduction box is controlled by a motor to rotate so as to drive a telescopic arm to rotate together. The rotation angle is determined according to the actual requirement. The RV reduction box rotates in a reciprocating mode within the determined angle. An anti-collision buffer head and a collision block are arranged, so that the rotation angle is limited and safety is guaranteed. The telescopic arm is provided with a two-level transmission mechanism, a first-level transmission arm drives a second-level transmission arm to be fed with the higher speed, and work efficiency is high.

Description

A kind of RV reductor rotating shaft

Technical field

The utility model relates to manipulator control field, is specifically related to a kind of RV reductor rotating shaft.

Background technology

Existing revolute axes configuration has rotary cylinder and disc type reductor etc.Rotary cylinder due to environment temperature, operating pressure and the anglec of rotation to affect some occasion inapplicable.Disc type reductor is generally the mode of turbine and worm transmission, allows the range of speeds of input very low, and general volume is larger, and transmission efficiency is not high, and backlash is all larger.

Mechanical-stretching arm can imitate some action and the function of human arm, be used for capturing or carrying object by fixed routine, but mechanical-stretching arm adopts air cylinder driven locate mode more, linked transmission, the single-stages such as belt drive are carried pattern, common shortcoming of ubiquity: translational speed is slow, inefficiency.

Due to the existence of the problems referred to above, the inventor conducts in-depth research existing revolute axes configuration and telescopic arm structure, to design the structure that the fast rotating shaft of the high translational speed of transmission efficiency and telescopic arm combine.

Utility model content

In order to overcome the problems referred to above, the inventor has carried out research with keen determination, found that, by using RV reductor as rotating shaft, the axle center of power shaft and the axle center of output shaft, on same straight line, make compact overall structure, volume is little, will vibrate with noise limit in minimum degree.Its overload capacity is strong, shock-resistant, moment of inertia is little, be applicable to start frequent and rotating occasion, can obtain lower output speed, and by the rotation of Electric Machine Control RV reductor, drive telescopic arm together to rotate, according to actual needs, determine the angle of rotation, in definite angle, reciprocating rotary, and be provided with crashproof buffer head and collision block, to limit the anglec of rotation, ensure safety; Wherein telescopic arm has two-stage transmission mechanism, carries out work with the principle that is similar to pulley, and first order transmission arm drives the feeding at faster speed of second level transmission arm, and operating efficiency is high; Thereby complete the utility model.

The purpose of this utility model is to provide following aspect:

(1) a RV reductor rotating shaft, is characterized in that, this RV reductor rotating shaft comprises from top to bottom successively,

Girder steel 1, it is hollow prism-shaped girder steel;

Motor 2, it is arranged at the bottom of girder steel 1 inside;

Reductor installing plate 3, is installed with girder steel 1 and motor 2 on it, reductor installing plate 3 is tabular, and intermediate position is provided with through hole;

RV reductor 4, its top is fixedly connected with reductor installing plate 3, and is connected with motor, the axle center conllinear of the axle center of RV reductor 4 power shafts, the axle center of RV reductor 4 output shafts and motor 2 main shafts; With

Telescopic arm connecting plate 5, it is tabular, and top is fixed on RV reductor, is fixedly connected with telescopic arm 6 in telescopic arm connecting plate 5 bottoms;

Wherein, motor 2 drives telescopic arm connecting plate 5 to rotate by RV reductor 4,

On two sides of reductor installing plate 3, be respectively arranged with contiguous block 31, below two contiguous blocks 31, be provided with crashproof buffing pad 32, crashproof buffing pad 32 sides are provided with crashproof buffer head 33, described crashproof buffer head 33 is made up of soft material, be bullet-shaped, on two sides of telescopic arm connecting plate 5, be respectively arranged with collision block 51.

(2) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, telescopic arm 6 comprises,

Telescopic arm driving mechanism 61, it comprises, telescopic arm drive motors 611 and reductor 612, wherein, reductor 612 is fixed on telescopic arm connecting plate 5; On reductor 612, be fixedly connected with telescopic arm driven wheel 613; In telescopic arm connecting plate 5 bottoms, one-level slide block 614 is set;

First order telescopic arm 62, telescopic arm is set on it and drives tooth bar 621, telescopic arm drives tooth bar 621 to be meshed with telescopic arm driven wheel 613, in first order telescopic arm 62 inside, two end anchorage 622 are set, two end anchorage 622 stretching belt gears 623, described belt gear 623 in the form of a ring, belt gear comprises one section of belt 624, dock in the form of a ring at the two ends of described belt 624, the two ends of described belt 624 are all connected on telescopic arm connecting plate 5, the middle part of belt and second level telescopic arm 63 are connected, at first order telescopic arm 62 tops, two one-levels are set and slide guide rail 625, one-level slides guide rail 625 and matches with one-level slide block 614, be respectively arranged with two secondarys in first order telescopic arm 62 down either side and slide guide rail 626, with

Second level telescopic arm 63, it comprises secondary slide block 631, secondary slide block 631 slides guide rail 626 with secondary and matches.

(3) according to the RV reductor rotating shaft above-mentioned (2) Suo Shu, it is characterized in that, the both sides at first order telescopic arm 62 tops are respectively equipped with crashproof buffer head 33.

(4) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that telescopic arm connecting plate 5 reciprocating rotaries.

(5) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, the anglec of rotation of telescopic arm connecting plate 5 is 90 °.

(6) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, two sides that are provided with collision block 51 on telescopic arm connecting plate 5 are adjacent.

(7) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, two crashproof buffer heads 33 are all positioned at reductor installing plate 3 belows, and crashproof buffer head 33 is identical with the height of collision block 51 in the vertical directions.

(8) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, the axle center of RV reductor 4 is axle center of RV reductor rotating shaft.

(9) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that, on girder steel 1, be provided with upright slide rail 11 and vertical tooth bar 12.

(10) according to the RV reductor rotating shaft above-mentioned (1) Suo Shu, it is characterized in that two end anchorage 622 stretching belt gears 623.

The beneficial effects of the utility model are:

(1) in the utility model, using RV reductor as rotating shaft, is the kind of drive of cycloidal-pin wheel, and power shaft and output shaft, on same axle center, make compact overall structure, and its speed reducing ratio can be accomplished very large, and volume is little, saves space;

(2) the utility model uses RV reductor, and cycloidal-pin wheel total number of teeth in engagement is more, and overlap coefficient is large, has parts mechanism stably, makes vibration and noise limit in minimum degree;

(3) the utility model uses RV reductor, its good mechanical property, and overload capacity is strong, and shock-resistant and moment of inertia is little makes it be applicable to starting frequently and rotating occasion;

(4) the utility model uses the drive motors of RV reductor to be arranged on firm beam inside, makes overall structure simple, has both saved space, attractive in appearance again;

(5) telescopic arm that the utility model provides, simple in structure, operating second level telescopic arm slides along identical direction with the speed that doubles first order telescopic arm, makes the telescopic arm speed of service fast, efficiency is high, reduces high temperature sheet and is trapped in the airborne time;

(6) telescopic arm that the utility model provides, due to slide block with slide guide rail and be used in conjunction with, by rack-and-pinion transmission, has ensured the rectilinear motion of the first order and second level telescopic arm, makes this telescopic arm positioning precision high, stable and reliable for performance.

Brief description of the drawings

Fig. 1 illustrates a kind of preferred embodiment RV of the utility model reductor revolute axes configuration front view;

Fig. 2 illustrates a kind of preferred embodiment RV of the utility model reductor revolute axes configuration left view;

Fig. 3 illustrates a kind of preferred embodiment RV of the utility model reductor revolute axes configuration right view;

Fig. 4 illustrates a kind of preferred embodiment RV of the utility model reductor rotating shaft steel beam structure schematic diagram;

Fig. 5 illustrates the position relationship schematic diagram of the utility model a kind of preferred embodiment RV reductor rotating shaft and telescopic arm;

Fig. 6 illustrates the flexible arm configuration front view of a kind of preferred embodiment RV of the utility model reductor rotating shaft;

Fig. 7 illustrates the flexible main top view of arm configuration of a kind of preferred embodiment RV of the utility model reductor rotating shaft;

Fig. 8 illustrates the flexible arm configuration cutaway view of a kind of preferred embodiment RV of the utility model reductor rotating shaft.

Drawing reference numeral explanation:

1-girder steel

11-upright slide rail

The vertical tooth bar of 12-

2-motor

3-reductor installing plate

31-contiguous block

The crashproof buffing pad of 32-

The crashproof buffer head of 33-

4-RV reductor

5-telescopic arm connecting plate

51-collision block

6-telescopic arm

61-telescopic arm driving mechanism

611-telescopic arm drive motors

612-reductor

613-telescopic arm driven wheel

614-one-level slide block

62-first order telescopic arm

621-telescopic arm drives tooth bar

622-termination holder

623-belt gear

624-belt

625-one-level slides guide rail

626-secondary slides guide rail

63-second level telescopic arm

631-secondary slide block

Detailed description of the invention

Below by the utility model is elaborated, feature of the present utility model and advantage will become more clear, clear and definite along with these explanations.

Here special word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, needn't draw accompanying drawing in proportion.

One preferred embodiment in, as shown in Figure 1, Figure 2, shown in Fig. 3, a kind of RV reductor rotating shaft, this RV reductor rotating shaft comprises,

Girder steel 1, it is hollow prism-shaped girder steel, vertically places;

Motor 2, it is arranged at the bottom of girder steel 1 inside;

Reductor installing plate 3, is installed with girder steel 1 and motor 2 on it; Reductor installing plate 3 is tabular, and intermediate position is provided with through hole;

RV reductor 4, its top is fixedly connected with reductor installing plate 3, and is connected with motor, axle center, the axle center of RV reductor 4 output shafts and the axle center conllinear of electric machine main shaft of RV reductor 4 power shafts; With

Telescopic arm connecting plate 5, it is tabular, and top is fixed on RV reductor, on telescopic arm connecting plate 5, offers bolt hole, is fixedly connected with telescopic arm 6 by bolt hole;

Wherein, motor 2 drives telescopic arm connecting plate 5 to rotate by RV reductor 4,

On two sides of reductor installing plate 3, be respectively arranged with contiguous block 31, below two contiguous blocks 31, be provided with crashproof buffing pad 32, crashproof buffing pad 32 sides are provided with crashproof buffer head 33, described crashproof buffer head 33 is made up of soft material, be bullet-shaped, on two sides of telescopic arm connecting plate 5, be respectively arranged with collision block 51.

One preferred embodiment in, the anglec of rotation is fixed according to using needs, the anglec of rotation can be 0-360 ° arbitrarily angled, the position relationship of collision block 51 and crashproof buffer head 33 is determined according to the anglec of rotation of telescopic arm connecting plate 5, in the utility model according to use needs, the anglec of rotation of preferred selected telescopic arm connecting plate 5 is 90 °, the anglec of rotation is by programme controlled, in the situation of normal operation, when sequence control rotates to 90 °, automatically stop, while normally operation, collision block and crashproof buffer head are inoperative; The effect of collision block and crashproof buffer head is to go wrong or work the system failure in the situation that in program, prevents that rotation from excessively, colliding other objects, plays the effect of security protection.

One preferred embodiment in, two collision blocks are symmetrical arranged, and all near a side of telescopic arm connecting plate; Two crashproof buffer head structures are identical, are all positioned at reductor installing plate below, in same level, hit buffer head identical with the position height of collision block in the vertical direction with collision block; In the time that telescopic arm connecting plate 5 needs the angle of rotation not to be 90 °, the position relationship of crashproof buffer head and collision block needs to change, can reach the effect of security protection.

In a preferred embodiment, telescopic arm connecting plate reciprocating rotary, to a direction rotation after predetermined angular, stop, and rotation in the opposite direction, reach after predetermined angle, stop, rotation in the opposite direction again, motion and so forth, in the utility model, preferred predetermined angular is 90 °.

One preferred embodiment in, RV reductor reduces the output speed of motor and drives telescopic arm connecting plate around the rotation of the axle center of RV reductor, be that the axle center of RV reductor is as the axle center of RV reductor rotating shaft, the kind of drive of cycloidal-pin wheel, power shaft and output shaft, on same axle center, make compact overall structure, and its speed reducing ratio can be accomplished very large, and volume is little, save space.

One preferred embodiment in, as shown in Figure 4, girder steel is vertically placed, and is provided with vertically upright slide rail 11 and vertical tooth bar 12 on a side of girder steel, moves along upright slide rail in the vertical direction by the whole RV reductor of vertical rack drives rotating shaft; In the utility model, preferably select gear & rack structure to RV reductor rotating shaft transmitting power, it is moved up or down, by slide rail and slide block, limit its sliding process, make it the more accurate of motion, be convenient to control; Vertical direction by girder steel moves, and drives telescopic arm connecting plate 5 vertical directions to move, and then drives telescopic arm vertical direction to move, thereby makes the telescopic arm can vertical motion, can be rotated by driven by motor again.

One preferred embodiment in, as shown in Figure 5, on the telescopic arm connecting plate of RV reductor revolute axes configuration, be connected with telescopic arm structure, telescopic arm connecting plate drives telescopic arm motion.

One preferred embodiment in, as shown in Fig. 6, Fig. 7, Fig. 8, telescopic arm 6 comprises,

Telescopic arm driving mechanism 61, it comprises, telescopic arm drive motors 611 and reductor 612, wherein, reductor is fixed on telescopic arm connecting plate; Telescopic arm drive motors drives the telescopic arm driven wheel 613 being fixed on reductor by reductor; Be symmetrical arranged one-level slide block 614 in telescopic arm connecting plate 5 bottoms;

First order telescopic arm 62, telescopic arm is set on it and drives tooth bar 621, telescopic arm drives tooth bar 621 to be meshed with telescopic arm driven wheel 613, in first order telescopic arm inside, two end anchorage 622 are set, two end anchorage stretching belt gears 623, described belt gear comprises one section of belt 624, dock in the form of a ring at the two ends of described belt 624, the two ends of described belt 624 are all connected on telescopic arm connecting plate 5, and the middle part of belt and second level telescopic arm 63 are connected; In first order telescopic arm top bilateral symmetry, two one-levels are set and slide guide rail 625, one-level slides guide rail 625 and matches with one-level slide block; Be respectively arranged with secondary in first order telescopic arm down either side and slide guide rail 626; With second level telescopic arm 63, it comprises secondary slide block 631, and secondary slide block 631 slides guide rail 626 with secondary and matches.

One preferred embodiment in, reductor top and telescopic arm drive motors are fixed, wherein, reductor can speed be according to actual needs selected the speed reducing ratio of reductor, effectively controls the sliding speed of first order telescopic arm; The preferred servomotor of telescopic arm drive motors, effectively controlled motion characteristic and precision, realize accurately location, and accelerate and slow down time stability fine.Reductor bottom is fixed by flange and telescopic arm connecting plate, and telescopic arm driven wheel is fixed on reductor.Wherein, telescopic arm drive motors drives telescopic arm driven wheel by reductor, and telescopic arm drives tooth bar to be meshed with telescopic arm driven wheel and drives first order telescopic arm.One-level slide block is symmetricly set on telescopic arm connecting plate bottom, first order telescopic arm top bilateral symmetry arranges two one-levels that match with one-level slide block and slides guide rail, one-level slide block slides on guide rail and can do linear relative movement in one-level, has ensured the kinematic accuracy of first order telescopic arm.First order telescopic arm down either side is symmetrical arranged two secondarys and slides guide rail, on the telescopic arm of the second level symmetrically arranged with secondary slide the secondary slide block that guide rail matches, because secondary slide block slides on guide rail and can do relative linear slide at secondary, ensure the kinematic accuracy of second level telescopic arm.In first order telescopic arm inside, two end anchorage are set, two end anchorage are outside equipped with the belt gear of ring-type, and belt gear is by two end anchorage stretchings, belt gear comprises one section of belt, dock in the form of a ring at the two ends of described belt, the two ends of described belt are all connected on telescopic arm connecting plate, the middle part of belt and second level telescopic arm are connected, the middle part of belt is fixedly connected with second level telescopic arm by clamping plate, simultaneously, teeth groove is set at second level telescopic arm and belt on respectively, it is matched, fixing more firm, under the driving of belt gear, in the time that first order telescopic arm moves with a predetermined speed with respect to telescopic arm connecting plate, second level telescopic arm moves to double predetermined speed with respect to telescopic arm connecting plate, and the direction of operation is identical, realize the quick and stable of operation.

One preferred embodiment in, the left and right sides at first order telescopic arm 62 tops is equipped with crashproof buffer head 33.Wherein, crashproof buffer head is that elastomeric material is made, and in the time that telescopic arm slides into extreme position, can play cushioning and protection, stops telescopic arm, prevents that telescopic arm from skidding off, and increases the service life of device simultaneously, reduces entreprise cost.

One preferred embodiment in, telescopic arm drive motors 611 drives telescopic arm driven wheel 613 by reductor 612, telescopic arm driven wheel 613 drives tooth bar 621 to be meshed with the telescopic arm on first order telescopic arm 62, drives first order telescopic arm to slide with respect to telescopic arm connecting plate 5; First order telescopic arm drives termination holder 622 to slide with speed V with respect to telescopic arm connecting plate, and termination holder drives second level telescopic arm to slide along identical direction with the speed that doubles V by belt gear 623.Therefore, the device that the utility model provides, on automatic production line, can arrive assigned address quickly and accurately, improves operating efficiency.

In the utility model, select the RV reductor of disposable type can both realize the required effect of the utility model.

Predetermined speed described in the utility model refers to any one rational movement velocity.

Belt gear in the utility model is similar to pulley mechanism, and one end belt is motionless, and termination holder motion, is equivalent in pulley mechanism that one end is motionless and pulley motion drives the belt of the other end to move with the speed that is twice in termination holder.

In conjunction with detailed description of the invention and exemplary example, the utility model is had been described in detail above, but these explanations can not be interpreted as restriction of the present utility model.It will be appreciated by those skilled in the art that in the situation that not departing from the utility model spirit and scope, can carry out multiple replacement of equal value, modify or improve technical solutions of the utility model and embodiment thereof, these all fall in scope of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims (10)

1. a RV reductor rotating shaft, is characterized in that, this RV reductor rotating shaft comprises from top to bottom successively:

Girder steel (1), it is hollow prism-shaped girder steel;

Motor (2), it is arranged at the inner bottom of girder steel (1);

Reductor installing plate (3), it is tabular, and centre position is provided with through hole, is installed with girder steel (1) and motor (2) on it;

RV reductor (4), its top is fixedly connected with reductor installing plate (3), and is connected with motor, the axle center conllinear of the axle center of RV reductor (4) power shaft, the axle center of RV reductor (4) output shaft and motor (2) main shaft; With

Telescopic arm connecting plate (5), it is tabular, and top is fixed on RV reductor, is fixedly connected with telescopic arm (6) in telescopic arm connecting plate (5) bottom;

Wherein, motor (2) drives telescopic arm connecting plate (5) rotation by RV reductor (4),

On two sides of reductor installing plate (3), be respectively arranged with contiguous block (31), be provided with crashproof buffing pad (32) in two contiguous blocks (31) below, on crashproof buffing pad (32) side, be provided with crashproof buffer head (33), described crashproof buffer head (33) is made up of soft material, be bullet-shaped

On two sides of telescopic arm connecting plate (5), be respectively arranged with collision block (51).

2. RV reductor rotating shaft according to claim 1, is characterized in that, telescopic arm (6) comprising:

Telescopic arm driving mechanism (61), it comprises telescopic arm drive motors (611) and reductor (612), wherein, reductor (612) is fixed on telescopic arm connecting plate (5), on reductor (612), be fixedly connected with telescopic arm driven wheel (613), in telescopic arm connecting plate (5) bottom, one-level slide block (614) be set;

First order telescopic arm (62), telescopic arm is set on it and drives tooth bar (621), telescopic arm drives tooth bar (621) to be meshed with telescopic arm driven wheel (613), in first order telescopic arm (62) inside, two end anchorage (622) are set, belt gear (623) is set outside two end anchorage (622), described belt gear (623) in the form of a ring, belt gear comprises one section of belt (624), dock in the form of a ring at the two ends of described belt (624), the two ends of described belt (624) are all connected on telescopic arm connecting plate (5), the middle part of belt and second level telescopic arm (63) are connected, at first order telescopic arm (62) top, two one-levels are set and slide guide rail (625), one-level slides guide rail (625) and matches with one-level slide block (614), be respectively arranged with two secondarys in first order telescopic arm (62) down either side and slide guide rail (626), with

Second level telescopic arm (63), it comprises secondary slide block (631), secondary slide block (631) slides guide rail (626) with secondary and matches.

3. RV reductor rotating shaft according to claim 2, is characterized in that, the both sides at first order telescopic arm (62) top are respectively equipped with crashproof buffer head (33).

4. RV reductor rotating shaft according to claim 1, is characterized in that, telescopic arm connecting plate (5) reciprocating rotary.

5. RV reductor rotating shaft according to claim 1, is characterized in that, the anglec of rotation of telescopic arm connecting plate (5) is 90 °.

6. RV reductor rotating shaft according to claim 1, is characterized in that, two sides that are respectively arranged with collision block (51) on telescopic arm connecting plate (5) are adjacent.

7. RV reductor rotating shaft according to claim 1, is characterized in that, two crashproof buffer heads (33) are all positioned at reductor installing plate (3) below, hit buffer head (33) identical with the height of collision block (51) in the vertical direction.

8. RV reductor rotating shaft according to claim 1, is characterized in that, the axle center of RV reductor (4) is the axle center of described RV reductor rotating shaft.

9. RV reductor rotating shaft according to claim 1, is characterized in that, is provided with upright slide rail (11) and vertical tooth bar (12) on girder steel (1).

10. RV reductor rotating shaft according to claim 1, is characterized in that, two end anchorage (622) stretching belt gears (623).