CN204819560U - Universal joint that parallel robot was used - Google Patents
Universal joint that parallel robot was used Download PDFInfo
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- CN204819560U CN204819560U CN201520345616.2U CN201520345616U CN204819560U CN 204819560 U CN204819560 U CN 204819560U CN 201520345616 U CN201520345616 U CN 201520345616U CN 204819560 U CN204819560 U CN 204819560U
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- universal joint
- pin
- hole
- parallel robot
- joint body
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Abstract
The utility model relates to a robotechnology field especially relates to an universal joint that parallel robot was used, and it includes the universal joint body to reach first linking arm and the second linking arm be connected respectively with the universal joint body, the through -hole has been seted up at the middle part of universal joint body, is equipped with four on the universal joint body and is circular array and arranges to towards the inboard round pin of through -hole, the universal joint body is provided with four lateral surfaces, and the through -hole is provided with respectively four medial surfaces with four lateral surface one -to -ones, has all seted up the pinhole between every corresponding lateral surface and the medial surface, and the round pin that all is provided with the bearing and is connected with the bearing in every pinhole is sold and is extended to the through -hole by the pinhole. This universal joint that parallel robot was used has a convenient assembling, advantage that home range is big.
Description
Technical field
The utility model relates to robotics, particularly relates to a kind of universal joint of parallel robot.
Background technology
Parallel robot is compared to serial manipulator, and have that rigidity is large, bearing capacity is strong, precision is high, the advantage that end piece inertia is little, is therefore suitable for pivot angle occasion frequently.
But, parallel robot of the prior art, there is problem not easily in the assembling between its power transmission shaft and universal joint, and the universal joint that its power transmission shaft is connected exists the little shortcoming of scope of activities, therefore causes existing parallel robot to there is the little defect of scope of activities.Therefore, need badly existing universal joint is improved.
Summary of the invention
It is easy to assembly that the purpose of this utility model is to provide one to have for weak point of the prior art, the universal joint of the parallel robot that scope of activities is large.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of universal joint of parallel robot is provided, comprises universal joint body, and the first linking arm be connected respectively with described universal joint body and the second linking arm;
The middle part of described universal joint body offers through hole, and described universal joint body is provided with four rounded array arrangements, and towards the pin inside described through hole;
Described universal joint body is provided with four lateral surfaces, described through hole be provided with respectively with described four lateral surfaces four medial surfaces one to one, all pin-and-hole is offered between each corresponding lateral surface and medial surface, the pin being provided with bearing in each described pin-and-hole and being connected with described bearing, described pin is extended in described through hole by described pin-and-hole.
Described pin comprises the first pin and the 3rd pin be oppositely arranged, and the second pin and the 4th pin be oppositely arranged;
Described first linking arm is sold with described first and the described 3rd is sold and be connected, and described second linking arm is sold with described second and the described 4th sold and be connected.
Four angles of described through hole all offer technology groove.
The cell wall of described technology groove is set to arc.
Four angles of described universal joint body are set to chamfering.
The beneficial effects of the utility model:
The universal joint of a kind of parallel robot that the utility model provides, comprises universal joint body, and the first linking arm be connected respectively with universal joint body and the second linking arm; The middle part of universal joint body offers through hole, universal joint body is provided with four rounded array arrangements, and towards the pin inside through hole, universal joint body is provided with four lateral surfaces, through hole be provided with respectively with four lateral surfaces, four medial surfaces one to one, all offer pin-and-hole between each corresponding lateral surface and medial surface, the pin being provided with bearing in each pin-and-hole and being connected with bearing, sells and is extended in through hole by pin-and-hole.The universal joint of this parallel robot has easy to assembly, the advantage that scope of activities is large.
Accompanying drawing explanation
Fig. 1 is the structural representation of the universal joint of a kind of parallel robot of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of the universal joint of a kind of parallel robot of the present utility model.
Fig. 3 is the structural representation of the universal joint body of the universal joint of a kind of parallel robot of the present utility model.
Include in Fig. 1 to Fig. 3:
1---universal joint body, 11---lateral surface, 12---chamfering,
2---through hole, 21---medial surface, 22---technology groove,
3---pin-and-hole,
4---bearing,
5---the first pin,
6---the second pin,
7---the 3rd pin,
8---the 4th pin,
101---the first linking arm,
102---the second linking arm.
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with embodiment and accompanying drawing, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1 to Fig. 3.The universal joint of a kind of parallel robot of the present embodiment, comprises universal joint body 1, and the first linking arm 101 and the second linking arm 102 be connected respectively with universal joint body 1; The middle part of universal joint body 1 offers through hole 2, and universal joint body 1 is provided with four rounded array arrangements, and towards the pin inside through hole 2; Universal joint body 1 is provided with four lateral surfaces 11, through hole 2 be provided with respectively with four lateral surfaces 11, four medial surfaces 21 one to one, pin-and-hole 3 is all offered between each corresponding lateral surface 11 and medial surface 21, the pin being provided with bearing 4 in each pin-and-hole 3 and being connected with bearing 4, sells and is extended in through hole 2 by pin-and-hole 3.Wherein, pin is for being socketed the first linking arm 101 and the second linking arm 102, first linking arm 101 is connected with the power transmission shaft of parallel robot more respectively with the second linking arm 102, thus makes between the power transmission shaft of parallel robot and the universal joint of this parallel robot easy to assembly.
In the present embodiment, pin comprises the first pin 5 and the 3rd pin 7 that are oppositely arranged, and the second pin 6 be oppositely arranged and the 4th pin 8; First linking arm 101 is connected with the first pin 5 and the 3rd pin 7, and the second linking arm 102 is connected with the second pin 6 and the 4th pin 8.
Wherein, power transmission shaft due to parallel robot comprises and has uploading swing arm and having the underdrive arm of two handles of two handles, upload swing arm and be socketed on the first pin 5 and the 3rd pin 7 respectively by two handles, underdrive arm is socketed on the second pin 6 and the 4th pin 8 respectively by two handles.Thus make between the power transmission shaft of parallel robot and the universal joint of this parallel robot easy to assembly.
In the present embodiment, four angles of through hole 2 all offer technology groove 22.The assembling between the power transmission shaft of parallel robot and the universal joint of this parallel robot can be convenient in this technology groove 22 1 aspect, the scope of activities of the power transmission shaft of parallel robot can be made larger on the other hand.
In the present embodiment, the cell wall of technology groove 22 is set to arc.The assembling between the power transmission shaft of parallel robot and the universal joint of this parallel robot can be convenient in technology groove 22 1 aspect of this arc, the scope of activities of the power transmission shaft of parallel robot can be made larger on the other hand.
In the present embodiment, four angles of universal joint body 1 are set to chamfering 12.This chamfering 12 can reduce the resistance during universal joint motion of this parallel robot, and the universal joint being convenient to this parallel robot is applicable to high-speed motion.
Finally should be noted that; the restriction of above embodiment only for illustration of the technical solution of the utility model but not to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (5)
1. a universal joint for parallel robot, is characterized in that: comprise universal joint body, and the first linking arm be connected respectively with described universal joint body and the second linking arm;
The middle part of described universal joint body offers through hole, and described universal joint body is provided with four rounded array arrangements, and towards the pin inside described through hole;
Described universal joint body is provided with four lateral surfaces, described through hole be provided with respectively with described four lateral surfaces four medial surfaces one to one, all pin-and-hole is offered between each corresponding lateral surface and medial surface, the pin being provided with bearing in each described pin-and-hole and being connected with described bearing, described pin is extended in described through hole by described pin-and-hole.
2. the universal joint of a kind of parallel robot according to claim 1, is characterized in that: described pin comprises the first pin and the 3rd pin be oppositely arranged, and the second pin and the 4th pin be oppositely arranged;
Described first linking arm is sold with described first and the described 3rd is sold and be connected, and described second linking arm is sold with described second and the described 4th sold and be connected.
3. the universal joint of a kind of parallel robot according to claim 1, is characterized in that: four angles of described through hole all offer technology groove.
4. the universal joint of a kind of parallel robot according to claim 3, is characterized in that: the cell wall of described technology groove is set to arc.
5. the universal joint of a kind of parallel robot according to claim 1, is characterized in that: four angles of described universal joint body are set to chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345616.2U CN204819560U (en) | 2015-05-26 | 2015-05-26 | Universal joint that parallel robot was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345616.2U CN204819560U (en) | 2015-05-26 | 2015-05-26 | Universal joint that parallel robot was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204819560U true CN204819560U (en) | 2015-12-02 |
Family
ID=54677201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345616.2U Active CN204819560U (en) | 2015-05-26 | 2015-05-26 | Universal joint that parallel robot was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204819560U (en) |
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2015
- 2015-05-26 CN CN201520345616.2U patent/CN204819560U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 first floor, No. 688-33, Fumin industrial town, Dalang, Dongguan, Guangdong Patentee after: Guangdong Zhong Cong Intelligent Equipment Co., Ltd. Address before: Room 503, 505, 507, 509 and 511, No. 6 Industrial South Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: Guangdong Science and Technology Ltd. of Zhong Cong robot |