CN104061299B - A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force - Google Patents
A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force Download PDFInfo
- Publication number
- CN104061299B CN104061299B CN201410289748.8A CN201410289748A CN104061299B CN 104061299 B CN104061299 B CN 104061299B CN 201410289748 A CN201410289748 A CN 201410289748A CN 104061299 B CN104061299 B CN 104061299B
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- CN
- China
- Prior art keywords
- rotating cylinder
- interior rotating
- rotaring tube
- raceway
- outer rotaring
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2233—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position
Abstract
A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force, including interior rotating cylinder, multiple balls are kept with retainer between the internal coiling raceway of push rod and interior rotating cylinder, when push rod is pushed forward into, by the rotary motion that the transform linear motion of push rod is interior rotating cylinder and outer rotaring tube, also multiple balls are kept with retainer between the external spiral rollaway nest and pull bar of outer rotaring tube, convert rotational motion is the recovery movement of pull bar by outer rotaring tube again, the present invention can change the action direction of power, thrust is converted to pulling force, there is simple in construction, reinforcement effect is good, the advantage such as easy to maintenance.
Description
Technical field
The invention belongs to the shifter technical field of power, be specifically related to a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force.
Background technology
In some special industry occasion, plant equipment needs such a mechanism, it is possible to realizes one end and pushes away forward, and the other end pulls back, and by thrust in input, and produces pulling force at outfan, thrust is converted to pulling force.Pinion and rack is capable of this function, but can not realize reinforcement, and trouble is installed in processing.Therefore, in these special industry occasions, it is necessary to design a kind of mode that can realize conversion mutually between the thrust of reinforcement and pulling force efficiently.
Summary of the invention
In order to overcome disadvantages mentioned above, it is an object of the invention to provide a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force, it is possible to the action direction of conversion power, thrust is converted to pulling force or pulling force is converted to thrust, there is simple in construction, the advantages such as reinforcement effect is good, easy to maintenance.
To achieve these goals, the technical solution used in the present invention is:
A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force, including interior rotating cylinder 7, interior rotating cylinder 7 rear end is arranged on rolling bearing 15, interior rotating cylinder 7 can only rotate, it is impossible to moves axially, and interior rotating cylinder 7 inwall is provided with internal coiling raceway 13, plural first ball 14 is maintained between the internal coiling raceway 13 on push rod 1 and interior rotating cylinder 7 inwall by retainer, making push rod 1 when pushing away forward, the first ball 14 can only roll by the internal coiling raceway 13 along interior rotating cylinder 7
Outer rotaring tube 6 is fixed on interior rotating cylinder 7, outer rotaring tube 6 can only with interior rotating cylinder 7 synchronous axial system, can not move axially, outer rotaring tube 6 outer wall is provided with external spiral rollaway nest 16, plural second ball 12 is maintained between the external spiral rollaway nest 16 on pull bar 9 and outer rotaring tube 6 outer wall by retainer, makes outer rotaring tube 6 when rotated, and the second ball 12 can only roll by the external spiral rollaway nest 16 along outer rotaring tube 6 outer wall, the hand of spiral of external spiral rollaway nest 16 and internal coiling raceway 13 is contrary
Rolling bearing 15 is arranged on inside the rear end of urceolus 5, first flange 11 is arranged on the front end of urceolus 5, first fairlead 10 is arranged in the first flange 11, pull bar 9 coordinates with the first fairlead 10, baffle plate 8 is arranged on the rear end of pull bar 9, and bonnet 4 is arranged on the rear end of urceolus 5, and the second flange 2 is arranged on bonnet 4, second fairlead 3 is arranged in the second flange 2, and push rod 1 coordinates with the second fairlead 3.
In order to improve bearing capacity, outer rotaring tube 6 outer wall is made with plural external spiral rollaway nest 16, and by retainer the second ball 12 is maintained between the external spiral rollaway nest 16 on the inwall of pull bar 9 and outer rotaring tube 6, interior rotating cylinder 7 inwall is made with plural internal coiling raceway 13, and by retainer, the first ball 14 is maintained between the internal coiling raceway 13 on push rod 1 and interior rotating cylinder 7 inwall.
Described internal coiling raceway 13 and external spiral rollaway nest 16 adopt the helix of slope variation or lead change, helix now becomes a diversified curve, so its reinforcement multiple will not be a steady state value in motor process, it is possible to meet the special installation demand to the pulling force of change.
The conversion method of described a kind of mechanism realizing changing mutually between the thrust of reinforcement and pulling force is: when push rod 1 is pushed forward into, plural first ball 14 is by rolls forward simultaneously, but owing to it can only roll by the internal coiling raceway 13 along interior rotating cylinder 7, and first ball 14 can not rotate along the axis of push rod 1, therefore the first ball 14 will make internal coiling raceway 13 rotate, so that interior rotating cylinder 7 rotates, when interior rotating cylinder 7 rotates, outer rotaring tube 6 is by synchronous rotary, it is maintained between the external spiral rollaway nest 16 on the inwall of pull bar 9 and outer rotaring tube 6 due to plural second ball 12, and second ball 12 can only roll by the external spiral rollaway nest 16 along outer rotaring tube 6, the hand of spiral of external spiral rollaway nest 16 and internal coiling raceway 13 is contrary, the outer rotaring tube 6 rotated will drive the second ball 12 to roll backward along external spiral rollaway nest 16, thus driving pull bar 9 to regain, thrust is converted to pulling force；In like manner, when on push rod 1, effect has pulling force, when pulling out by push rod 1, pull bar 9 will be released forward, thus pulling force is converted to thrust；
Realizing the reinforcement multiple of mutual conversion method between the thrust of reinforcement and pulling force and depend on the helical pitch of internal coiling raceway 13 and the ratio of the helical pitch of external spiral rollaway nest 16, a dynamic point rotates a circle along spiral rolling track, and its height risen vertically is called helical pitch, it may be assumed that
Interior rotating cylinder 7 and outer rotaring tube 6 carry out disassembly and assembly with demand, the interior rotating cylinder 7 and outer rotaring tube 6 with different spiral rolling track helical pitch is arranged in pairs or groups, by configuring the ratio of the helical pitch of the external spiral rollaway nest 16 on the helical pitch of the internal coiling raceway 13 on interior rotating cylinder 7 and outer rotaring tube 6, it is possible to realize different reinforcement multiples.
The invention have the advantages that
One, the present invention can change the action direction of power, thrust is converted to pulling force (or pulling force is converted to thrust), meets the demand of special machine equipment.
Two, present configuration is simple, and reinforcement effect is good, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of outer rotaring tube in the present invention.
Fig. 2 is the structure sectional view of the present invention.
Fig. 3 is the structure sectional view of the follow-on interior outer rotaring tube of the present invention.
Fig. 4 is the follow-on structure sectional view of the present invention.
Fig. 5 is the spiral rolling track schematic diagram that the present invention can realize becoming reinforcement multiple, and wherein (a) is the sectional view of the interior outer rotaring tube becoming reinforcement multiple；Wherein (b) is the partial sectional view of the interior outer rotaring tube becoming reinforcement multiple.
Fig. 6 is interior rotating cylinder and the outer rotaring tube configuration example figure of difference spiral rolling track helical pitch of the present invention, in wherein in (a), the helical pitch of the internal coiling raceway on rotating cylinder be the twice of the helical pitch of the external spiral rollaway nest on outer rotaring tube in (b), in (a) helical pitch is the helical pitch of the external spiral rollaway nest on outer rotaring tube in (c) 1.5 times of the internal coiling raceway on interior rotating cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As depicted in figs. 1 and 2, a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force, including interior rotating cylinder 7, interior rotating cylinder 7 rear end is arranged on rolling bearing 15, and interior rotating cylinder 7 can only rotate, can not move axially, interior rotating cylinder 7 inwall is provided with internal coiling raceway 13, and plural first ball 14 is maintained between the internal coiling raceway 13 on push rod 1 and interior rotating cylinder 7 inwall by retainer, makes push rod 1 when pushing away forward, first ball 14 can only roll by the internal coiling raceway 13 along interior rotating cylinder 7
Outer rotaring tube 6 is fixed on interior rotating cylinder 7, outer rotaring tube 6 can only with interior rotating cylinder 7 synchronous axial system, can not move axially, outer rotaring tube 6 outer wall is provided with external spiral rollaway nest 16, plural second ball 12 is maintained between the external spiral rollaway nest 16 on pull bar 9 and outer rotaring tube 6 outer wall by retainer, makes outer rotaring tube 6 when rotated, and the second ball 12 can only roll by the external spiral rollaway nest 16 along outer rotaring tube 6 outer wall, the hand of spiral of external spiral rollaway nest 16 and internal coiling raceway 13 is contrary
Rolling bearing 15 is arranged on inside the rear end of urceolus 5, first flange 11 is arranged on the front end of urceolus 5, first fairlead 10 is arranged in the first flange 11, pull bar 9 coordinates with the first fairlead 10, baffle plate 8 is arranged on the rear end of pull bar 9, and bonnet 4 is arranged on the rear end of urceolus 5, and the second flange 2 is arranged on bonnet 4, second fairlead 3 is arranged in the second flange 2, and push rod 1 coordinates with the second fairlead 3.
As shown in Figure 3 and Figure 4, in order to improve bearing capacity, outer rotaring tube 6 outer wall is made with plural external spiral rollaway nest 16, and by retainer the second ball 12 is maintained between the external spiral rollaway nest 16 on the inwall of pull bar 9 and outer rotaring tube 6, interior rotating cylinder 7 inwall is made with plural internal coiling raceway 13, and by retainer, the first ball 14 is maintained between the internal coiling raceway 13 on push rod 1 and interior rotating cylinder 7 inwall.
As shown in Figure 5, described internal coiling raceway 13 and external spiral rollaway nest 16 adopt the helix of slope variation or lead change, helix now becomes a diversified curve, so its reinforcement multiple will not be a steady state value in motor process, it is possible to meet the special installation demand to the pulling force of change.
The conversion method of described a kind of mechanism realizing changing mutually between the thrust of reinforcement and pulling force is: when push rod 1 is pushed forward into, plural first ball 14 is by rolls forward simultaneously, but owing to it can only roll by the internal coiling raceway 13 along interior rotating cylinder 7, and first ball 14 can not rotate along the axis of push rod 1, therefore the first ball 14 will make internal coiling raceway 13 rotate, so that interior rotating cylinder 7 rotates, when interior rotating cylinder 7 rotates, outer rotaring tube 6 is by synchronous rotary, it is maintained between the external spiral rollaway nest 16 on the inwall of pull bar 9 and outer rotaring tube 6 due to plural second ball 12, and second ball 12 can only roll by the external spiral rollaway nest 16 along outer rotaring tube 6, the hand of spiral of external spiral rollaway nest 16 and internal coiling raceway 13 is contrary, the outer rotaring tube 6 rotated will drive the second ball 12 to roll backward along external spiral rollaway nest 16, thus driving pull bar 9 to regain, thrust is converted to pulling force；In like manner, when on push rod 1, effect has pulling force, when pulling out by push rod 1, pull bar 9 will be released forward, thus pulling force is converted to thrust；
Realizing the reinforcement multiple of mutual conversion regime between the thrust of reinforcement and pulling force and depend on the helical pitch of internal coiling raceway 13 and the ratio of the helical pitch of external spiral rollaway nest 16, a dynamic point rotates a circle along spiral rolling track, and its height risen vertically is called helical pitch, it may be assumed that
For Fig. 6, in 6 (a), the helical pitch of the internal coiling raceway on rotating cylinder is the twice of the helical pitch of the external spiral rollaway nest on outer rotaring tube in 6 (b), then its reinforcement multiple is 2:1；In in 6 (a) helical pitch is the helical pitch of the external spiral rollaway nest on outer rotaring tube in 6 (c) 1.5 times of the internal coiling raceway on rotating cylinder, then its reinforcement multiple is 3:2.
Interior rotating cylinder 7 and outer rotaring tube 6 carry out disassembly and assembly with demand, the interior rotating cylinder 7 and outer rotaring tube 6 with different spiral rolling track helical pitch is arranged in pairs or groups, by configuring the ratio of the helical pitch of the external spiral rollaway nest 16 on the helical pitch of the internal coiling raceway 13 on interior rotating cylinder 7 and outer rotaring tube 6, it is possible to realize different reinforcement multiples.
Claims (4)
1. the mechanism that can realize conversion mutually between the thrust of reinforcement and pulling force, including interior rotating cylinder (7), it is characterized in that: interior rotating cylinder (7) rear end is arranged on rolling bearing (15), interior rotating cylinder (7) can only rotate, can not move axially, interior rotating cylinder (7) inwall is provided with internal coiling raceway (13), plural first ball (14) is maintained between the internal coiling raceway (13) on push rod (1) and interior rotating cylinder (7) inwall by retainer, make push rod (1) when pushing away forward, first ball (14) can only roll by the internal coiling raceway (13) along interior rotating cylinder (7),
Outer rotaring tube (6) is fixed on interior rotating cylinder (7), outer rotaring tube (6) can only with interior rotating cylinder (7) synchronous axial system, can not move axially, outer rotaring tube (6) outer wall is provided with external spiral rollaway nest (16), plural second ball (12) is maintained between the external spiral rollaway nest (16) on pull bar (9) and outer rotaring tube (6) outer wall by retainer, make outer rotaring tube (6) when rotated, second ball (12) can only roll by the external spiral rollaway nest (16) along outer rotaring tube (6) outer wall, the hand of spiral of external spiral rollaway nest (16) and internal coiling raceway (13) is contrary,
Rolling bearing (15) is arranged on inside the rear end of urceolus (5), first flange (11) is arranged on the front end of urceolus (5), first fairlead (10) is arranged in the first flange (11), pull bar (9) coordinates with the first fairlead (10), baffle plate (8) is arranged on the rear end of pull bar (9), bonnet (4) is arranged on the rear end of urceolus (5), second flange (2) is arranged on bonnet (4), second fairlead (3) is arranged in the second flange (2), push rod (1) coordinates with the second fairlead (3).
2. a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force according to claim 1, it is characterized in that: on outer rotaring tube (6) outer wall, be made with plural external spiral rollaway nest (16), and by retainer the second ball (12) is maintained between the external spiral rollaway nest (16) on the inwall of pull bar (9) and outer rotaring tube (6), interior rotating cylinder (7) inwall is made with plural internal coiling raceway (13), and by retainer, the first ball (14) is maintained between the internal coiling raceway (13) on push rod (1) and interior rotating cylinder (7) inwall.
3. a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force according to claim 1, it is characterized in that: described internal coiling raceway (13) and external spiral rollaway nest (16) adopt the helix of slope variation or lead change, helix now becomes a diversified curve, so its reinforcement multiple will not be a steady state value in motor process, it is possible to meet the special installation demand to the pulling force of change.
4. a kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force according to claim 1, it is characterized in that, conversion method is: when push rod (1) is pushed forward into, plural first ball (14) is by rolls forward simultaneously, but owing to it can only roll by the internal coiling raceway (13) along interior rotating cylinder (7), and first ball (14) can not rotate along the axis of push rod (1), therefore the first ball (14) will make internal coiling raceway (13) rotate, so that interior rotating cylinder (7) rotates, when interior rotating cylinder (7) rotates, outer rotaring tube (6) is by synchronous rotary, it is maintained between the external spiral rollaway nest (16) on the inwall of pull bar (9) and outer rotaring tube (6) due to plural second ball (12), and second ball (12) can only external spiral rollaway nest (16) along outer rotaring tube (6) roll, the hand of spiral of external spiral rollaway nest (16) and internal coiling raceway (13) is contrary, the outer rotaring tube (6) rotated will drive the second ball (12) to roll backward along external spiral rollaway nest (16), thus driving pull bar (9) to regain, thrust is converted to pulling force；In like manner, when the upper effect of push rod (1) has pulling force, when pulling out by push rod (1), pull bar (9) will be released forward, thus pulling force is converted to thrust；
Realize the reinforcement multiple of mutual conversion regime between the thrust of reinforcement and pulling force and depend on the helical pitch of internal coiling raceway (13) and the ratio of the helical pitch of external spiral rollaway nest (16), one dynamic point rotates a circle along spiral rolling track, its height risen vertically is called helical pitch, it may be assumed that
Interior rotating cylinder (7) and outer rotaring tube (6) carry out disassembly and assembly with demand, the interior rotating cylinder (7) and outer rotaring tube (6) with different spiral rolling track helical pitch is arranged in pairs or groups, by configuring the ratio of the helical pitch of the external spiral rollaway nest (16) on the helical pitch of the internal coiling raceway (13) on interior rotating cylinder (7) and outer rotaring tube (6), it is possible to realize different reinforcement multiples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289748.8A CN104061299B (en) | 2014-06-25 | 2014-06-25 | A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289748.8A CN104061299B (en) | 2014-06-25 | 2014-06-25 | A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force |
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| Publication Number | Publication Date |
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| CN104061299A CN104061299A (en) | 2014-09-24 |
| CN104061299B true CN104061299B (en) | 2016-06-29 |
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| CN201410289748.8A Expired - Fee Related CN104061299B (en) | 2014-06-25 | 2014-06-25 | A kind of mechanism realizing conversion mutually between the thrust of reinforcement and pulling force |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105703529B (en) * | 2014-11-27 | 2018-05-04 | 沈阳兴华航空电器有限责任公司 | A kind of DC linear drives motor |
| CN105673791A (en) * | 2016-03-16 | 2016-06-15 | 沈阳中之杰流体控制系统有限公司 | Multistage transmission mechanism |
| CN108708951A (en) * | 2018-06-22 | 2018-10-26 | 青岛科技大学 | A kind of linear motion and rotating motion transformer of coaxial line |
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| CN201705878U (en) * | 2010-06-08 | 2011-01-12 | 朱豪东 | Telescopic mechanical structure |
| CN102748439A (en) * | 2011-04-21 | 2012-10-24 | 钱涛 | Force booster implemented through corkscrew-force accumulation and distance increasing |
| CN203176285U (en) * | 2013-04-02 | 2013-09-04 | 第一传动科技股份有限公司 | Linear transmission device provided with double screws |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007028712A (en) * | 2005-07-12 | 2007-02-01 | Univ Of Tsukuba | Drive unit and drive system |
| DK2538993T3 (en) * | 2010-02-22 | 2017-02-06 | Sanofi Aventis Deutschland | Auto injector with gearbox |
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- 2014-06-25 CN CN201410289748.8A patent/CN104061299B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201705878U (en) * | 2010-06-08 | 2011-01-12 | 朱豪东 | Telescopic mechanical structure |
| CN102748439A (en) * | 2011-04-21 | 2012-10-24 | 钱涛 | Force booster implemented through corkscrew-force accumulation and distance increasing |
| CN203176285U (en) * | 2013-04-02 | 2013-09-04 | 第一传动科技股份有限公司 | Linear transmission device provided with double screws |
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| CN104061299A (en) | 2014-09-24 |
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