CN207316004U - It is a kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion - Google Patents
It is a kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion Download PDFInfo
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- CN207316004U CN207316004U CN201720462933.1U CN201720462933U CN207316004U CN 207316004 U CN207316004 U CN 207316004U CN 201720462933 U CN201720462933 U CN 201720462933U CN 207316004 U CN207316004 U CN 207316004U
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- tripod
- pulley
- inner race
- rivet
- bearing inner
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Abstract
A kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion, its composition is as follows：Tripod (1), pulley (2), rivet (3), bearing inner race (4), bearing steel ball (6)；Wherein：Pulley (2) has three and is circumferentially evenly arranged at three angles of tripod (1)；Bearing inner race (4) supports pulley (2) by two groups of bearing steel balls (6)；Bearing inner race (4) is fixed on tripod (1) by rivet (3)；Bearing inner race (4) is with rivet (3) for support shaft；The pulley (2) that can be rotated is contacted by two groups of bearing steel balls (6) with bearing inner race (4) collectively forms the mechanism that pulley (2) can be rolled relative to tripod (1).The utility model rubs, and its loss is small, and efficient, cost is low, non-maintaining；Rotating torque is big, and load capacity is strong, and resistance to environment capacity is strong.It is with boundless market prospects.
Description
Technical field
The structure design and applied technical field of rolling screw pair are the utility model is related to, a kind of become is specifically provided and rotates
For the tripod pulley blocks rolling screw pair of linear motion.
Background technology
Domestic existing worm drive are mostly push rod and leading screw at present.But bigger, efficiency is lost in the sliding friction of push rod
It is not high；The cost of ball-screw is higher, and maintenance requirement is also higher；The ratio of running torque of existing worm drive is relatively limited, loads energy
Power is not strong, and loss is big, and less efficient, resistance to environment capacity has to be strengthened.
The highly desirable tripod pulley blocks rolling for obtaining a kind of excellent change of technique effect and rotating to be linear motion of people
Screw pair.
Utility model content
The purpose of this utility model is to provide the tripod pulley that a kind of excellent change of technique effect rotates to be linear motion
Group rolling screw pair.
The utility model provides a kind of tripod pulley blocks rolling screw pair for becoming and rotating to be linear motion, its feature exists
In：Its composition is as follows：Tripod 1, pulley 2, rivet 3, bearing inner race 4, bearing steel ball 6；Wherein：Tripod 1 is specially triangle
Shape stent, pulley 2 has three and three is circumferentially evenly arranged at three angles of tripod 1；
Pulley 2 is the wheel-type structural member for being internally provided with hole；Bearing inner race 4 is Split type structure and arranges jointly in pairs
To support pulley 2 in same 2 endoporus of pulley；Bearing inner race 4 supports pulley 2 by two groups of bearing steel balls 6；In bearing
Circle 4 is fixed on tripod 1 by rivet 3；Bearing inner race 4 is support shaft with rivet 3；The pulley 2 that can be rotated is by two groups
Bearing steel ball 6 is contacted with bearing inner race 4 collectively forms the mechanism that pulley 2 can be rolled relative to tripod 1；
It is described to become the tripod pulley blocks rolling screw pair for rotating to be linear motion, it is characterised in that：The axis of bearing inner race 4
The adjust pad 5 for adjusting axial location of the pulley 2 on rivet 3 is additionally provided with laterally.
It is described to become the tripod pulley blocks rolling screw pair for rotating to be linear motion, it is characterised in that：The change rotates to be
Drive sleeve 7 is additionally provided with the tripod pulley blocks rolling screw pair of linear motion, drive sleeve 7 is to be internally provided with the pipe of cavity
Shape structure；Spiral rolling track 71 is provided with 7 internal cavities of drive sleeve；
The mechanism integral arrangement fitted together by tripod 1, pulley 2, rivet 3, bearing inner race 4, bearing steel ball 6 etc. exists
In cavity inside drive sleeve 7；
The structure of spiral rolling track 71 is adapted with 2 outer edge of pulley.
It is described to become the tripod pulley blocks rolling screw pair for rotating to be linear motion, it is characterised in that：The center of tripod 1
For tubular structure, tube chamber intermediate arrangement has transmission shaft；Platy structure 11 at two are provided with tripod 1, this platy structure at two
11 are arranged in parallel and all perpendicular to the axis of central tubular structure；Connecting plate 12 is additionally provided with two between platy structure 11；Two
The cavernous structure 13 for being useful for arrangement rivet 3 is correspondingly arranged on place's platy structure 11；
Spiral rolling track 71 is rectangular thread raceway.
The utility model designs a tripod pulley blocks rolling screw pair, realizes rolling according to worm drive technology
Frictional drive, tripod pulley blocks include pulley 2, tripod 1, rivet 3, bearing steel ball 6, bearing inner race 4 and adjust pad 5 etc.
Structure composition, pulley 2 are installed on tripod 1, pass through 1 space orientation of tripod, matching lead angle, the triangle of tripod 1
Shape stable structure is firm, and pulley 2 is embedded in bearing steel ball, and when tripod pulley blocks rotate, pulley 2 is rotation and in screw thread
Revolution, drives drive sleeve 7 to move along a straight line, and such a screw pair roll friction transmission is simple in structure, and small, transmission efficiency is lost, and
The forced area in transmission process is increased, the abrasion of rectangular thread is alleviated, enhances structural strength.
The tripod pulley blocks rolling screw pair that change described in the utility model rotates to be linear motion is to be related to worm drive
A kind of new structure design and application technology scheme in field, convert rotational motion can be linear motion by it.Its technology is closed
Key is creatively using tripod pulley blocks and rectangular thread composition rolling screw pair；Contrast sliding friction of the prior art
Smaller is lost in it, more efficient；It is low to contrast ball-screw of the prior art its cost, there is non-maintaining characteristic, and have
There is larger rotating torque, the advantages that load capacity is strong, and loss is small, efficient, and resistance to environment capacity is strong.The utility model can answer
For in straight line electric mechanism, as the execution unit of linear motion, to there are boundless market prospects.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model：
Fig. 1 is to become the tripod pulley blocks rolling screw auxiliary structure simplified schematic diagram for rotating to be linear motion described in embodiment 1
Front view；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the schematic diagram of mechanism fitted together by tripod 1, pulley 2, rivet 3, bearing inner race 4, bearing steel ball 6 etc.
Front view (visual angle is identical with Fig. 2)；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the top view of Fig. 3；
Fig. 6 is the structure schematic diagram stereogram of tripod 1；
Fig. 7 is the structure schematic diagram front view of tripod 1.
Embodiment
Embodiment 1
A kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion, its composition is as follows：Tripod 1, pulley
2nd, rivet 3, bearing inner race 4, bearing steel ball 6；Wherein：Tripod 1 is specially triangular supports, and pulley 2 has three and three edge
Even circumferential is arranged at three angles of tripod 1；
Pulley 2 is the wheel-type structural member for being internally provided with hole；Bearing inner race 4 is Split type structure and arranges jointly in pairs
To support pulley 2 in same 2 endoporus of pulley；Bearing inner race 4 supports pulley 2 by two groups of bearing steel balls 6；In bearing
Circle 4 is fixed on tripod 1 by rivet 3；Bearing inner race 4 is support shaft with rivet 3；The pulley 2 that can be rotated is by two groups
Bearing steel ball 6 is contacted with bearing inner race 4 collectively forms the mechanism that pulley 2 can be rolled relative to tripod 1；
The axially external adjust pad being additionally provided with for adjusting axial location of the pulley 2 on rivet 3 of bearing inner race 4
5。
Described become in the tripod pulley blocks rolling screw pair for rotating to be linear motion is additionally provided with drive sleeve 7, drive sleeve 7
To be internally provided with the tubular structure of cavity；Spiral rolling track 71 is provided with 7 internal cavities of drive sleeve；Spiral rolling track 71 is rectangle
Screw thread；
The mechanism integral arrangement fitted together by tripod 1, pulley 2, rivet 3, bearing inner race 4, bearing steel ball 6 etc. exists
In cavity inside drive sleeve 7；
The structure of spiral rolling track 71 is adapted with 2 outer edge of pulley.
The center of tripod 1 is tubular structure, and tube chamber intermediate arrangement has transmission shaft；Tabular at two is provided with tripod 1
Structure 11, this at two platy structure 11 be arranged in parallel and all perpendicular to the axis of central tubular structure；At two platy structure 11 it
Between be additionally provided with connecting plate 12；The cavernous structure 13 for being useful for arrangement rivet 3 is correspondingly arranged at two on platy structure 11.
The present embodiment designs a tripod pulley blocks rolling screw pair, realizes rolling and rub according to worm drive technology
Transmission is wiped, tripod pulley blocks include the knot such as pulley 2, tripod 1, rivet 3, bearing steel ball 6, bearing inner race 4 and adjust pad 5
Structure forms, and pulley 2 is installed on tripod 1, passes through 1 space orientation of tripod, matching lead angle, the triangle of tripod 1
Stable structure is firm, and pulley 2 is embedded in bearing steel ball, and when tripod pulley blocks rotate, pulley 2 is that rotation is again public in screw thread
Turn, drive drive sleeve 7 to move along a straight line, such a screw pair roll friction transmission is simple in structure, small, transmission efficiency is lost, and increase
Forced area in big transmission process, alleviates the abrasion of rectangular thread, enhances structural strength.
The tripod pulley blocks rolling screw pair that change described in the present embodiment rotates to be linear motion is to be related to worm drive neck
A kind of new structure design and application technology scheme in domain, convert rotational motion can be linear motion by it.Its key problem in technology
It is creatively using tripod pulley blocks and rectangular thread composition rolling screw pair；Contrast sliding friction of the prior art its
Smaller is lost, it is more efficient；It is low to contrast ball-screw of the prior art its cost, there is non-maintaining characteristic, and have
The advantages that larger rotating torque, load capacity is strong, and loss is small, efficient, and resistance to environment capacity is strong.The present embodiment can be applied to
In straight line electric mechanism, as the execution unit of linear motion, there are boundless market prospects.
Claims (4)
1. a kind of become the tripod pulley blocks rolling screw pair for rotating to be linear motion, it is characterised in that：Its composition is as follows：Triangle
Frame (1), pulley (2), rivet (3), bearing inner race (4), bearing steel ball (6)；Wherein：Tripod (1) is specially triangular supports,
Pulley (2) has three and three is circumferentially evenly arranged at three angles of tripod (1)；
Pulley (2) is the wheel-type structural member for being internally provided with hole；Bearing inner race (4) is Split type structure and arranges jointly in pairs
In same pulley (2) endoporus；Bearing inner race (4) supports pulley (2) by two groups of bearing steel balls (6)；Bearing inner race (4)
It is fixed on by rivet (3) on tripod (1)；Bearing inner race (4) is with rivet (3) for support shaft.
2. the tripod pulley blocks rolling screw pair for rotating to be linear motion according to becoming described in claim 1, it is characterised in that：Axis
Hold the axially external adjust pad (5) being additionally provided with for adjusting axial location of the pulley (2) on rivet (3) of inner ring (4).
3. rotating to be the tripod pulley blocks rolling screw pair of linear motion according to the change of claim 1 or 2, its feature exists
In：Described become in the tripod pulley blocks rolling screw pair for rotating to be linear motion is additionally provided with drive sleeve (7), drive sleeve (7)
To be internally provided with the tubular structure of cavity；Spiral rolling track (71) is provided with drive sleeve (7) internal cavities；
The mechanism entirety cloth fitted together by tripod (1), pulley (2), rivet (3), bearing inner race (4), bearing steel ball (6)
Put in the internal cavity of drive sleeve (7)；
The structure of spiral rolling track (71) is adapted with pulley (2) outer edge.
4. the tripod pulley blocks rolling screw pair for rotating to be linear motion according to becoming described in claim 3, it is characterised in that：Three
The center of corner bracket (1) is tubular structure, and tube chamber intermediate arrangement has transmission shaft；Tripod is provided with platy structure at two on (1)
(11), this platy structure (11) parallel arrangement and all perpendicular to the axis of central tubular structure at two；Platy structure (11) at two
Between be additionally provided with connecting plate (12)；The cavernous structure for being useful for arrangement rivet (3) is correspondingly arranged at two on platy structure (11)
(13)；
Spiral rolling track (71) is rectangular thread raceway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462933.1U CN207316004U (en) | 2017-04-28 | 2017-04-28 | It is a kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720462933.1U CN207316004U (en) | 2017-04-28 | 2017-04-28 | It is a kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion |
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| Publication Number | Publication Date |
|---|---|
| CN207316004U true CN207316004U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720462933.1U Active CN207316004U (en) | 2017-04-28 | 2017-04-28 | It is a kind of to become the tripod pulley blocks rolling screw pair for rotating to be linear motion |
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| Country | Link |
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| CN (1) | CN207316004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035835A (en) * | 2017-04-28 | 2017-08-11 | 沈阳兴华航空电器有限责任公司 | It is a kind of to become the tripod assembly pulley rolling screw pair for rotating to be linear motion |
| CN113090726A (en) * | 2019-06-20 | 2021-07-09 | 成都中良川工科技有限公司 | Low-loss rotating device |
-
2017
- 2017-04-28 CN CN201720462933.1U patent/CN207316004U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035835A (en) * | 2017-04-28 | 2017-08-11 | 沈阳兴华航空电器有限责任公司 | It is a kind of to become the tripod assembly pulley rolling screw pair for rotating to be linear motion |
| CN113090726A (en) * | 2019-06-20 | 2021-07-09 | 成都中良川工科技有限公司 | Low-loss rotating device |
| CN113090726B (en) * | 2019-06-20 | 2022-10-14 | 成都中良川工科技有限公司 | Low-loss rotating device |
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