CN103322166A - Mechanical rotary conversion unit - Google Patents

Mechanical rotary conversion unit Download PDF

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Publication number
CN103322166A
CN103322166A CN2013102850612A CN201310285061A CN103322166A CN 103322166 A CN103322166 A CN 103322166A CN 2013102850612 A CN2013102850612 A CN 2013102850612A CN 201310285061 A CN201310285061 A CN 201310285061A CN 103322166 A CN103322166 A CN 103322166A
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CN
China
Prior art keywords
bearing
thrust
overcoat
land
mechanical rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013102850612A
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Chinese (zh)
Inventor
郝志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGSHA SHENXIANG UNIVERSAL MACHINE Co Ltd
Original Assignee
CHANGSHA SHENXIANG UNIVERSAL MACHINE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGSHA SHENXIANG UNIVERSAL MACHINE Co Ltd filed Critical CHANGSHA SHENXIANG UNIVERSAL MACHINE Co Ltd
Priority to CN2013102850612A priority Critical patent/CN103322166A/en
Publication of CN103322166A publication Critical patent/CN103322166A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a mechanical rotary conversion unit comprising a first end, a thrust bearing, a jacket, and a second end. The thrust bearing is sleeved at the first end. The jacket is arranged outside the thrust bearing. The second is connected with the jacket. The first end is a rotary end, or the second end is a rotary end. The mechanical rotary conversion unit is capable of converting motion of a rotary shaft into fixed linear motion, while the rotary shaft is driven to bidirectionally move together. Therefore, the mechanical rotary conversion unit is simple, with lightweight structure; a power device is not required to move with a spindle but fixedly installed; thus, the size of the device can be enlarged while the structure is more compact. The invention further discloses other two types of mechanical rotary conversion devices.

Description

A kind of mechanical rotary switching device
Technical field
The present invention relates to the conversion equipment technical field, more particularly, relate to a kind of mechanical rotary switching device that maximizes.
Background technique
In production reality, sometimes need an end of main shaft work to rotate, the other end must apply axial force, and an end that namely can not rotate needs the driven rotary end to make reciprocal straight line motion.Some engineering driller for example, drill bit is rotary work, and the other end must carry out axial pressure, and be the straight line motion pressurization, in order to realize rotatablely moving to straight-line conversion, this similar rig has adopted the rotation part to be rotated work by an oil hydraulic motor, and then adds a device for exerting at the shell of oil hydraulic motor and carry out the unidirectional or two-way work of moving and exert pressure, because the shell of oil hydraulic motor is static, therefore this rotation is converted to straight line motion and can realizes.
In the prior art, it is to rely on an oil hydraulic motor or other power mechanism to realize that the rotary work of main shaft is converted to straight line motion, meeting is so that its structure is too huge and heavy like this, and with power plant together mobile this especially high-power to many other application be to be difficult to implement or at all impossible.Its shortcoming is except heaviness, and adopting oil hydraulic motor can cause energy utilization efficiency low is that energy consumption is high, if rotating part need to be high-power in addition, this conversion regime also will be difficult to realize.
But purpose of the present invention is exactly not rotate and the axle that moves of two-way linear by adopting a kind of mechanical rotary switching device that running shaft directly is converted to, and can be together way moving or bi-directional compression way moving of driven rotary axle, so mechanical rotary switching device will be very simple also very light and handy with structure.
Therefore, how to guarantee that power plant need not to move along with the movement of main shaft, so that can maximize, become the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of mechanical rotary switching device, to guarantee that power plant need not to move along with the movement of main shaft, so that can maximize.
For achieving the above object, the invention provides following technological scheme:
A kind of mechanical rotary switching device comprises:
First end;
Inner ring is sheathed on the thrust-bearing on the described first end;
Be sheathed on the overcoat of described thrust-bearing outer ring;
The second end that links to each other with described overcoat, described first end are that round end or described the second end are round end, and then the second end is that non-rotating end or first end are non-rotating end accordingly.
Preferably, in above-mentioned mechanical rotary switching device, described first end is provided with the shaft shoulder, and described thrust-bearing is two, and described two thrust-bearings are arranged at respectively the both sides of the described shaft shoulder, and all by described shaft shoulder axially locating.
Preferably, in above-mentioned mechanical rotary switching device, an end of described the second end is land, and described land links to each other with described overcoat;
Described overcoat has the limited shoulder that extends to the inside away from an end of described land;
One of them thrust-bearing is by the shaft shoulder axially locating of described land and described first end;
The another one thrust-bearing is by the shaft shoulder axially locating of described limited shoulder and described first end.
Preferably, in above-mentioned mechanical rotary switching device, two described thrust-bearings are the opposite one direction thrust bearing of thrust direction.
Preferably, in above-mentioned mechanical rotary switching device, described thrust-bearing is slide thrust bearing or rolling thrust-bearing.
A kind of mechanical rotary switching device comprises:
First end;
Inner ring is sheathed on the thrust-bearing on the described first end, and described thrust-bearing is a doubledirection thrust bearing;
Be sheathed on the overcoat of described thrust-bearing outer ring;
The second end that links to each other with described overcoat, described first end are that round end or described the second end are round end, and then the second end is that non-rotating end or first end are non-rotating end accordingly.
Preferably, in above-mentioned mechanical rotary switching device, an end of described the second end is land, and described land links to each other with described overcoat;
Described overcoat has the limited shoulder that extends to the inside away from an end of described land;
Locate by the limited shoulder of described land and described overcoat respectively at the two ends of two seat rings of described thrust-bearing;
The blowout patche of described thrust-bearing is by the shaft shoulder and the axle sleeve location that is sheathed on described first end of first end, described axle sleeve compresses the blowout patche of described thrust-bearing by axial pressing device, the screw thread that the compression of axle sleeve also can be by the first end end and nut etc. are realized.
Preferably, in above-mentioned mechanical rotary switching device, described axial pressing device is for being arranged at the pressing plate of described first end end by screw, and described pressing plate compresses described axle sleeve.
Preferably, in above-mentioned mechanical rotary switching device, described thrust-bearing is Double roll thrust-bearing or Bidirectional slide thrust-bearing, and the rolling element of described Double roll thrust-bearing is ball, roller or cone etc.
A kind of mechanical rotary switching device comprises:
First end;
Inner ring is sheathed on the bearing on the described first end, and described bearing is for bearing the bearings such as sliding bearing, ball bearing or roller of bidirectional axial force;
Be sheathed on the overcoat of the bearing outer rings such as described sliding bearing, ball bearing or roller bearing;
The second end that links to each other with described overcoat, described first end are that round end or described the second end are rotation, and then the second end is that non-rotating end or first end are non-rotating end accordingly.
Preferably, in above-mentioned mechanical rotary switching device, an end of described the second end is land, and described land links to each other with described overcoat;
Described overcoat has the limited shoulder that extends to the inside away from an end of described land;
Locate by the limited shoulder of described land and described overcoat respectively at the two ends, outer ring of the bearings such as described sliding bearing, ball bearing or roller bearing;
The inner ring two ends of the bearings such as described sliding bearing, ball bearing or roller bearing are respectively by the shaft shoulder of described first end be arranged at the pressing plate location of described first end end, and the compression of inner ring also can rely on the screw thread of first end end and nut etc. to realize.
Can find out from above-mentioned technological scheme, mechanical rotary switching device provided by the invention, connect first end and the second end by thrust-bearing, and with one in first end and the second end as round end, another is as non-rotating end, but the bearing by bearing thrust can be realized the rotation of round end is converted to not rotating of non-rotating end, and can bear unidirectional axial force and move axially, and can bear two-way axial force and two-way movement.
But mechanical rotary switching device provided by the invention can directly be converted to running shaft and not rotate the also axle of traveling priority, and be together way moving of driven rotary axle, mechanical rotary switching device like this is very simple, structure is also very light and handy, power plant need not to move along with the movement of main shaft, but fixedly mount, so both can maximize, can make again structure compacter.
Advantage of the present invention is:
1, only relies on one or two bearing can realize to rotatablely move and become straight line motion, than in the past complicated structure even must carry the device that power plant move together simple in structure;
2, cost is lower;
3, because structure is simpler, so reliability is higher and rate of fault is also lower;
4, adopt the present invention only can realize rotatablely moving and straight-line conversion with bearing, high more a lot, therefore more energy-conservation than the efficient of the traditional approach that adopts electric energy → mechanical energy → hydraulic energy → mechanical energy;
5, be convenient to maximization and the high-power of this type of machinery.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of mechanical rotary switching device that Fig. 1 provides for the embodiment of the invention;
The structural representation of the another kind of mechanical rotary switching device that Fig. 2 provides for the embodiment of the invention;
The structural representation of another mechanical rotary switching device that Fig. 3 provides for the embodiment of the invention;
The structural representation of another mechanical rotary switching device that Fig. 4 provides for the embodiment of the invention.
Embodiment
Core of the present invention is to provide a kind of mechanical rotary switching device, to guarantee that power plant need not to move along with the movement of main shaft, so that can maximize.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
See also Fig. 1 and Fig. 2, the structural representation of a kind of mechanical rotary switching device that Fig. 1 provides for the embodiment of the invention; The structural representation of the another kind of mechanical rotary switching device that Fig. 2 provides for the embodiment of the invention.
The mechanical rotary switching device that the embodiment of the invention provides comprises the second end 1, overcoat 2, thrust-bearing 3 and first end 4.
Wherein, the inner ring of thrust-bearing 3 is sheathed on the first end 4, and first end 4 can be a turning shaft structure, and thrust-bearing 3 is the special bearings that bear specially axial force.Overcoat 2 is sheathed on the outer ring of thrust-bearing 3, in the present embodiment, the inner ring of thrust-bearing 3 blowout patches and the cover of first end 4 are made as drive fit, the sheathed of the inner ring of thrust-bearing 3 seat rings is gapped, in the outer ring of thrust-bearing 3 only the cover of seat ring and overcoat 2 be made as drive fit, the sheathed of two blowout patches is gapped.
The second end 1 links to each other with overcoat 2, first end 4 is that round end or the second end 1 are round end, be in first end 4 and the second end 1 one and be round end, another can apply axial force, thrust-bearing 3 is guaranteeing to bear under the prerequisite of axial force, also the rotation of first end 4 or the second end 1 can be converted to and not rotate.
Mechanical rotary switching device provided by the invention, connect first end 4 and the second end 1 by thrust-bearing, and with one in first end 4 and the second end 1 as round end, another is as non-rotating end, by thrust-bearing 3, can realize the rotation of round end is converted to not rotating of non-rotating end, and by bearing axial force, and move axially.
But mechanical rotary switching device provided by the invention can directly be converted to running shaft and not rotate and traveling priority, and can be together way moving and bidirectional stress of driven rotary axle, mechanical rotary switching device like this is very simple, structure is also very light and handy, power plant need not to move along with the movement of main shaft, but fixedly mount, so both can maximize, can make again structure compacter.
In the present invention's one specific embodiment, first end 4 is provided with the shaft shoulder, and thrust-bearing 3 is two, and two thrust-bearings 3 are arranged at respectively the both sides of the shaft shoulder, and all by shaft shoulder axially locating.Concrete, two thrust-bearings 3 can be the opposite one direction thrust bearing of thrust direction.
One end of the second end 1 is land, and land links to each other with overcoat 2, and overcoat 2 has the limited shoulder that extends to the inside away from an end of land.One of them thrust-bearing 3 is by shaft shoulder axially locating, the limited shoulder of another one thrust-bearing 3 outer covers 2 and the shaft shoulder axially locating of first end 4 of land and first end 4.Land and overcoat 2 can be bolted.
In the present invention's one specific embodiment, thrust-bearing 3 can be the slide thrust bearing shown in Fig. 2, also can be the rolling thrust-bearing shown in Fig. 1, and its rolling thrust-bearing can be ball-type, also can be roller-type or cone type etc.
See also Fig. 3, the structural representation of another mechanical rotary switching device that Fig. 3 provides for the embodiment of the invention.
The mechanical rotary switching device that the embodiment of the invention provides comprises the second end 1, overcoat 2, thrust-bearing 3, first end 4, pressing plate 5 and axle sleeve 6.
Wherein, the inner ring of thrust-bearing 3 is sheathed on the first end 4, and thrust-bearing 3 is a doubledirection thrust bearing.Overcoat 2 is sheathed on the outer ring of thrust-bearing 3, in the present embodiment namely, the cover of the blowout patche in the inner ring of thrust-bearing 3 and first end 4 is made as drive fit, and the inner ring of two seat rings and first end 4 are gapped sheathed, in the outer ring of thrust-bearing 3 only the cover of two seat rings and overcoat 2 be made as drive fit, and the outer ring of blowout patche and overcoat 2 are gapped sheathed.
The second end 1 links to each other with overcoat 2, first end 4 is that round end or the second end 1 are round end, and namely in first end 4 and the second end 1 is round end, and another can apply axial force, thrust-bearing 3 is guaranteeing to bear under the prerequisite of axial force, also the rotation of first end 4 or the second end 1 can be separated.
Further, an end of the second end 1 is land, and land links to each other with overcoat 2.Overcoat 2 has the limited shoulder that extends to the inside away from an end of land, and the seat ring in two outsides of thrust-bearing 3 is located by the land of the second end 1 and the limited shoulder of overcoat 2 respectively.Axle sleeve 6 location of blowout patche in the middle of the thrust-bearing 3 by being sheathed on first end 4, axle sleeve 6 is by the blowout patche in the middle of the axial pressing device compression thrust-bearing 3.Blowout patche one side in the middle of the thrust-bearing 3 is by the location of the shaft shoulder on the first end 4, and opposite side compresses the location by axle sleeve 6.
Particularly, axial pressing device is for being arranged at the pressing plate 5 of first end 4 ends by screw, and pressing plate 5 compresses axle sleeve 6, and namely the pressure of axle sleeve 6 provides by pressing plate 5.
See also Fig. 4, the structural representation of another mechanical rotary switching device that Fig. 4 provides for the embodiment of the invention.
The mechanical rotary switching device that the embodiment of the invention provides comprises the second end 1, overcoat 2, bearing 7, first end 4 and pressing plate 5.。
The inner ring of bearing 7 is sheathed on the first end 4, and bearing 7 is for bearing sliding bearing or the bearings such as ball or roller of bidirectional axial force.Overcoat 2 is sheathed on the outer ring of bearing 7, in the present embodiment namely, and the inner ring of bearing 7 and first end 4 drive fits, the outer ring of bearing and overcoat 2 drive fits.
The second end 1 links to each other with overcoat 2, first end 4 is that round end or the second end 1 are round end, and namely in first end 4 and the second end 1 is round end, and another can apply axial force, bearing 7 is guaranteeing to bear under the prerequisite of axial force, also the rotation of first end 4 or the second end 1 can be separated.
Further, an end of the second end 1 is land, and land links to each other with overcoat 2, and overcoat 2 has the limited shoulder that extends to the inside away from an end of land.Locate by the land of the second end 1 and the limited shoulder of overcoat 2 respectively at the two ends, outer ring of bearing 7, and the inner ring two ends of bearing 7 are respectively by the shaft shoulder of first end 4 and pressing plate 5 location that are arranged at first end 4 ends.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the present invention.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a mechanical rotary switching device is characterized in that, comprising:
First end (4);
Inner ring is sheathed on the thrust-bearing (3) on the described first end (4);
Be sheathed on the overcoat (2) of described thrust-bearing (3) outer ring;
The second end (1) that links to each other with described overcoat (2), described first end (4) are that round end or described the second end (1) are round end.
2. mechanical rotary switching device according to claim 1, it is characterized in that, described first end (4) is provided with the shaft shoulder, and described thrust-bearing (3) is two, two described thrust-bearings (3) are arranged at respectively the both sides of the described shaft shoulder, and all by described shaft shoulder axially locating.
3. mechanical rotary switching device according to claim 2 is characterized in that, an end of described the second end (1) is land, and described land links to each other with described overcoat (2);
Described overcoat (2) has the limited shoulder that extends to the inside away from an end of described land;
One of them thrust-bearing (3) is by the shaft shoulder axially locating of described land and described first end (4);
Another one thrust-bearing (3) is by the limited shoulder of described overcoat (2) and the shaft shoulder axially locating of described first end (4).
4. mechanical rotary switching device according to claim 2 is characterized in that, two described thrust-bearings (3) are the opposite one direction thrust bearing of thrust direction.
5. each described mechanical rotary switching device is characterized in that according to claim 1-4, and described thrust-bearing (3) is slide thrust bearing or rolling thrust-bearing.
6. a mechanical rotary switching device is characterized in that, comprising:
First end (4);
Inner ring is sheathed on the thrust-bearing (3) on the described first end (4), and described thrust-bearing (3) is doubledirection thrust bearing;
Be sheathed on the overcoat (2) of described thrust-bearing (3) outer ring;
The second end (1) that links to each other with described overcoat (2), described first end (4) are that round end or described the second end (1) are round end.
7. mechanical rotary switching device according to claim 6 is characterized in that, an end of described the second end (1) is land, and described land links to each other with described overcoat (2);
Described overcoat (2) has the limited shoulder that extends to the inside away from an end of described land;
Two seat rings of described thrust-bearing (3) are located by the land of described the second end (1) and the limited shoulder of described overcoat (2) respectively;
The blowout patche of described thrust-bearing (3) is by the shaft shoulder and axle sleeve (6) location that is sheathed on described first end (4) of first end (4), and described axle sleeve (6) compresses the blowout patche of described thrust-bearing (3) by axial pressing device.
8. mechanical rotary switching device according to claim 7 is characterized in that, described axial pressing device is for being arranged at the pressing plate (5) of described first end (4) end by screw, and described pressing plate (5) compresses described axle sleeve (6).
9. a mechanical rotary switching device is characterized in that, comprising:
First end (4);
Inner ring is sheathed on the bearing (7) on the described first end (4), and described bearing (7) is for bearing sliding bearing, ball or the roller bearing (7) of bidirectional axial force;
Be sheathed on the overcoat (2) of described bearing (7) outer ring;
The second end (1) that links to each other with described overcoat (2), described first end (4) are that round end or described the second end (1) are round end.
10. mechanical rotary switching device according to claim 9 is characterized in that, an end of described the second end (1) is land, and described land links to each other with described overcoat (2);
Described overcoat (2) has the limited shoulder that extends to the inside away from an end of described land;
Locate by the limited shoulder of described land and described overcoat (2) respectively at the two ends, outer ring of described bearing (7);
Locate with the pressing plate (5) that is arranged at described first end (4) end by the shaft shoulder of described first end (4) respectively at the inner ring two ends of described bearing (7).
CN2013102850612A 2013-07-08 2013-07-08 Mechanical rotary conversion unit Pending CN103322166A (en)

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Application Number Priority Date Filing Date Title
CN2013102850612A CN103322166A (en) 2013-07-08 2013-07-08 Mechanical rotary conversion unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383023A (en) * 2016-09-14 2017-02-08 重庆大学 Experiment system and method for rock breaking efficiency analysis of TBM disc cutter
CN110027181A (en) * 2019-04-29 2019-07-19 北京化工大学 Single-cylinder injection molding machine fastening-type shaft coupling

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054127A (en) * 1990-02-18 1991-08-28 朱新根 Rotating motion/reciprocating linear motion conversion mechanism
CN2238937Y (en) * 1995-08-18 1996-10-30 首钢总公司 Coupling with axial displacement special function
US5899112A (en) * 1994-05-27 1999-05-04 Richter Technology Limited Rotary/linear converter
CN2545428Y (en) * 2002-05-20 2003-04-16 大银微系统股份有限公司 Quick removing and fastening mechanism of actuator
CN201739362U (en) * 2010-08-17 2011-02-09 中国船舶重工集团公司第七一七研究所 Shaft coupling
JP2011052760A (en) * 2009-09-02 2011-03-17 Yamatake Corp Rotation-linear motion conversion mechanism and actuator
CN201835820U (en) * 2010-10-29 2011-05-18 西安威盛电子仪器有限公司 Rotary nipple

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054127A (en) * 1990-02-18 1991-08-28 朱新根 Rotating motion/reciprocating linear motion conversion mechanism
US5899112A (en) * 1994-05-27 1999-05-04 Richter Technology Limited Rotary/linear converter
CN2238937Y (en) * 1995-08-18 1996-10-30 首钢总公司 Coupling with axial displacement special function
CN2545428Y (en) * 2002-05-20 2003-04-16 大银微系统股份有限公司 Quick removing and fastening mechanism of actuator
JP2011052760A (en) * 2009-09-02 2011-03-17 Yamatake Corp Rotation-linear motion conversion mechanism and actuator
CN201739362U (en) * 2010-08-17 2011-02-09 中国船舶重工集团公司第七一七研究所 Shaft coupling
CN201835820U (en) * 2010-10-29 2011-05-18 西安威盛电子仪器有限公司 Rotary nipple

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383023A (en) * 2016-09-14 2017-02-08 重庆大学 Experiment system and method for rock breaking efficiency analysis of TBM disc cutter
CN106383023B (en) * 2016-09-14 2019-07-19 重庆大学 A kind of experimental system and method for the analysis of TBM disk cutter efficiency of breaking rock
CN110027181A (en) * 2019-04-29 2019-07-19 北京化工大学 Single-cylinder injection molding machine fastening-type shaft coupling

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Application publication date: 20130925