CN206751235U - A kind of new five joint arms telescoping mechanism - Google Patents
A kind of new five joint arms telescoping mechanism Download PDFInfo
- Publication number
- CN206751235U CN206751235U CN201720413909.9U CN201720413909U CN206751235U CN 206751235 U CN206751235 U CN 206751235U CN 201720413909 U CN201720413909 U CN 201720413909U CN 206751235 U CN206751235 U CN 206751235U
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- China
- Prior art keywords
- joint
- joint arm
- pulley
- steel wire
- wire rope
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The utility model discloses a kind of new five joint arms telescoping mechanism, including the first joint arm, second joint arm, three joint arms, 4th joint arm, 5th joint arm, telescopic oil cylinder, and first steel wire rope, first pulley, second steel wire rope, second pulley, 3rd steel wire rope, 3rd pulley, 4th steel wire rope, 4th pulley, 5th steel wire rope, 5th pulley, 6th steel wire rope, 6th pulley, first joint arm is connected with fixed external device, first joint arm, second joint arm, three joint arms, 4th joint arm and the 5th joint arm are box-structure, and nest together successively, built in the telescopic oil cylinder in the cavities, the piston rod of the telescopic oil cylinder is connected with the first joint arm, the cylinder barrel of the telescopic oil cylinder is connected with the second joint arm, mitigate the weight of overall jib structure, improve the load capacity of equipment.
Description
Technical field
The utility model belongs to mechanical engineering technical field, specifically, the utility model is related to a kind of new five joint arm
Telescoping mechanism.
Background technology
Arm support engineering machinery refers to the total of the engineering machinery that task is completed by the use of arm support as main working parts
Claim.Arm support engineering machinery is mainly characterized by, and the weight of load or equipment, and stretching by arm support are born by arm support
The function of specifying is completed in the actions such as contracting, swing.Typical arm support engineering machinery have concrete mixer, crane, fire fighting truck and
High-altitude operation vehicle etc..
In different engineering machinery, the operation principle of arm support is similar.By taking high-altitude operation vehicle as an example, make to increase high-altitude
The operation amplitude and height of industry car, the arm support of existing high-altitude operation vehicle is mostly multistage telescopic arm, and uses single or two oil cylinders
More piece boom frame telescopic is driven by rope.
In the prior art, boom frame telescopic is substantially drives what arm support moved by telescopic oil cylinder and wire rope device.
Specifically, three joint arms generally typically use a telescopic oil cylinder and related wire rope device to four joint arm telescoping mechanisms.And five sections
Arm telescoping mechanism typically uses two telescopic oil cylinders and related wire rope device.Substantially, five joint arm telescoping mechanisms are in four sections
A telescopic oil cylinder is added on the basis of arm telescoping mechanism.
In summary, although five joint arm telescoping mechanisms than four joint arms telescoping mechanism more than a joint arm, but add
One telescopic oil cylinder, with four joint arm telescoping mechanisms without essential distinction.If five joint arms using a telescopic oil cylinder can be designed
Telescoping mechanism, the weight of overall jib structure can be mitigated significantly, improve the load capacity of equipment.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of new five joint arms telescoping mechanism, mitigates
The weight of overall jib structure, improve the load capacity of equipment.
To achieve these goals, the technical scheme that the utility model is taken is：A kind of new five joint arms telescoping mechanism, bag
Include the first joint arm, the second joint arm, three joint arms, the 4th joint arm, the 5th joint arm, telescopic oil cylinder and the first steel wire rope, the first cunning
Wheel, the second steel wire rope, second pulley, the 3rd steel wire rope, the 3rd pulley, the 4th steel wire rope, the 4th pulley, the 5th steel wire rope,
Five pulleys, the 6th steel wire rope, the 6th pulley, first joint arm are connected with fixed external device, first joint arm, second
Joint arm, three joint arms, the 4th joint arm and the 5th joint arm are box-structure, and are nested together successively, in the telescopic oil cylinder
Put in the cavities, the piston rod of the telescopic oil cylinder is connected with the first joint arm, and the cylinder barrel of the telescopic oil cylinder and the second joint arm connect
Connect.
Preferably, the first pulley is fixedly mounted on one end of telescopic oil cylinder, and one end of first steel wire rope is fixed
In the tail end of the first joint arm, the tail end of three joint arms is fixed on around the other end after first pulley；The second pulley fixes peace
Mounted in the tail end of the second joint arm, one end of second steel wire rope is fixed on the head end of the first joint arm, around another after second pulley
One end is fixed on the tail end of three joint arms；3rd pulley is fixedly mounted on the inside of three joint arms head end, the 3rd steel
One end of cord is fixed on the tail end of the second joint arm, and the tail end of the 4th joint arm is fixed on around the other end after the 3rd pulley.
Preferably, the 4th pulley is fixedly mounted on the tail end of three joint arms, and one end of the 4th steel wire rope is fixed
In the head end of the second joint arm, the tail end of the 4th joint arm is fixed on around the other end after the 4th pulley；5th pulley fixes peace
Mounted in the inside of the 4th joint arm head end, one end of the 5th steel wire rope is fixed on the tail end of three joint arms, around the 5th pulley
The other end is fixed on the tail end of the 5th joint arm afterwards；6th pulley is fixedly mounted on the tail end of the 4th joint arm, the 6th steel
One end of cord is fixed on the head end of three joint arms, and the tail end of the 5th joint arm is fixed on around the other end after the 6th pulley.
Beneficial effect using above technical scheme is：The new five joint arms telescoping mechanism, than two of the prior art
The scheme of telescopic oil cylinder saves a telescopic oil cylinder, alleviates the overall weight of arm support, improves the load capacity of arm support, tool
There is certain practicality.
Brief description of the drawings
Fig. 1 is the structural representation of the new five joint arms telescoping mechanism；
Fig. 2 is the structural representation of the another embodiment of the new five joint arms telescoping mechanism；
Wherein：
The joint arms of 1- first；The joint arms of 2- second；3- three joint arms；The joint arms of 4- the 4th；The joint arms of 5- the 5th；6- telescopic oil cylinders；6a-
Piston rod；6b- cylinder barrels；The steel wire ropes of 311- first；312- first pulleys；The steel wire ropes of 321- second；322- second pulleys；411-
Three steel wire ropes；The pulleys of 412- the 3rd；The steel wire ropes of 421- the 4th；The pulleys of 422- the 4th；The steel wire ropes of 511- the 5th；512- the 5th is slided
Wheel；The steel wire ropes of 521- the 6th；The pulleys of 522- the 6th.
Embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further detailed
Thin explanation, it is therefore an objective to help those skilled in the art have to design of the present utility model, technical scheme it is more complete, accurate and
Deep understanding, and contribute to its implementation.
As shown in Figure 1 to Figure 2, the utility model is a kind of new five joint arms telescoping mechanism, mitigates overall jib structure
Weight, improve the load capacity of equipment.
Specifically, as shown in Figure 1 to Figure 2, including the first joint arm 1, the second joint arm 2, three joint arms 3, the 4th joint arm 4,
5th joint arm 5, the steel wire rope 311 of telescopic oil cylinder 6 and first, first pulley 312, the second steel wire rope 321, second pulley 322,
3rd steel wire rope 411, the 3rd pulley 412, the 4th steel wire rope 421, the 4th pulley 422, the 5th steel wire rope 511, the 5th pulley
512nd, the 6th steel wire rope 521, the 6th pulley 522, first joint arm 1 are connected with fixed external device, first joint arm
1st, the second joint arm 2, three joint arms 3, the 4th joint arm 4 and the 5th joint arm 5 are box-structure, and are nested together successively, described
Built in telescopic oil cylinder 6 in the cavities, the piston rod 6a of the telescopic oil cylinder 6 is connected with the first joint arm 1, the telescopic oil cylinder 6
Cylinder barrel 6b is connected with the second joint arm 2.
The first pulley 312 is fixedly mounted on one end of telescopic oil cylinder 6, and one end of first steel wire rope 311 is fixed
In the tail end of the first joint arm 1, the tail end of three joint arms 3 is fixed on around the other end after first pulley 312；The second pulley
322 are fixedly mounted on the tail end of the second joint arm 2, and one end of second steel wire rope 321 is fixed on the head end of the first joint arm 1, around
Cross the tail end that the other end after second pulley 322 is fixed on three joint arms 3；3rd pulley 412 is fixedly mounted on three joint arms 3
The inside of head end, one end of the 3rd steel wire rope 411 are fixed on the tail end of the second joint arm 2, around another after the 3rd pulley 412
End is fixed on the tail end of the 4th joint arm 4.
4th pulley 422 is fixedly mounted on the tail end of three joint arms 3, and one end of the 4th steel wire rope 421 is fixed
In the head end of the second joint arm 2, the tail end of the 4th joint arm 4 is fixed on around the other end after the 4th pulley 422；5th pulley
512 are fixedly mounted on the inside of the head end of the 4th joint arm 4, and one end of the 5th steel wire rope 511 is fixed on the tail of three joint arms 3
End, the tail end of the 5th joint arm 5 is fixed on around the other end after the 5th pulley 512；6th pulley 522 is fixedly mounted on the 4th
The tail end of joint arm 4, one end of the 6th steel wire rope 521 are fixed on the head end of three joint arms 3, around another after the 6th pulley 522
One end is fixed on the tail end of the 5th joint arm 5.
Specific works mode is illustrated with specific embodiment below：
In the new five joint arms telescoping mechanism course of work, it is necessary to when arm support extends：The piston rod 6a of telescopic oil cylinder 6 stretches
Go out, drive the second joint arm 2 to stretch out.Meanwhile because first pulley 312 is fixedly mounted on one end of telescopic oil cylinder 6, and the first steel wire
One end of rope 311 is fixed in the first joint arm 1, therefore three joint arms 3 are stretched out under the drive of the first steel wire rope 311.Telescopic oil cylinder 6
When overhanging, it is assumed that the stretching speed of telescopic oil cylinder 6 is v, then the movement velocity of the second joint arm 2 and first pulley 312 is v.Due to
First joint arm 1 remains stationary as, therefore the movement velocity of three joint arms 3 is 2v, i.e. the relative velocity of the joint arm 2 of three joint arms 3 and second
For v.Understand, the overhang and three joint arms 3 of 2 relative first joint arm 1 of the second joint arm are identical with respect to the overhang of the second joint arm 2.
Meanwhile because the 3rd pulley 412 is fixedly mounted in three joint arms 3, one end of the 3rd steel wire rope 411 is fixed on
In two joint arms 2, therefore the 4th joint arm 4 is stretched out under the drive of the 3rd steel wire rope 411.The speed of 3rd pulley 412 and three joint arms 3
Speed be all mutually 2v, the movement velocity of the second joint arm 2 is v, therefore the movement velocity of the 4th joint arm 4 is 3v, i.e. the He of the 4th joint arm 4
The relative velocity of three joint arms 3 is also v.Understand, the overhang of the relative three joint arms 3 of the 4th joint arm 4 and the second joint arm 2 relative the
The overhang of one joint arm 1 is identical.
Meanwhile because the 5th pulley 512 is fixedly mounted in the 4th joint arm 4, one end of the 5th steel wire rope 511 is fixed on
In three joint arms 3, therefore the 5th joint arm 5 is stretched out under the drive of the 5th steel wire rope 511.The speed of 5th pulley 512 and the 4th joint arm 4
Speed be all mutually 3v, the movement velocity of three joint arms 3 is 2v, therefore the movement velocity of the 5th joint arm 5 is 4v, i.e. the 5th joint arm 5
Relative velocity with the 4th joint arm 4 is also v.Understand, the overhang of 5 relative 4th joint arm 4 of the 5th joint arm and the second joint arm 2 are relative
The overhang of first joint arm 1 is identical.
When needing arm support to retract：The piston rod 6a of telescopic oil cylinder 6 retracts, and drives the second joint arm 2 to retract.Meanwhile because
Second pulley 322 is fixedly mounted in the second joint arm 2, and one end of the second steel wire rope 321 is fixed in the first joint arm 1, therefore the
Three joint arms 3 are retracted under the drive of the second steel wire rope 321.When telescopic oil cylinder 6 is retracted, it is assumed that the retraction speed of oil cylinder is v, then the
The movement velocity of two joint arms 2 and second pulley 312 is v.Due to the remains stationary of the first joint arm 1, therefore the movement velocity of three joint arms 3
For 2v, i.e. the relative velocity of the joint arm 2 of three joint arms 3 and second is v.Understand, the retraction amount of 2 relative first joint arm 1 of the second joint arm
It is identical with respect to the retraction amount of the second joint arm 2 with three joint arms 3.
Meanwhile because the 4th pulley 422 is fixedly mounted in three joint arms 3, one end of the 4th steel wire rope 421 is fixed on
In two joint arms 2, therefore the 4th joint arm 4 is retracted under the drive of the 3rd steel wire rope 421.The speed of 4th pulley 422 and three joint arms 3
Retraction speed be all 2v, the movement velocity of the second joint arm 2 is v, therefore the retraction movement speed of the 4th joint arm 4 is 3v, i.e., the 4th
The relative velocity of joint arm 4 and three joint arms 3 is also v.Understand, the retraction amount and the second joint arm of 4 relative three joint arms 3 of the 4th joint arm
The retraction amount of 2 relative first joint arms 1 is identical.
Meanwhile because the 6th pulley 522 is fixedly mounted in the 4th joint arm 4, one end of the 6th steel wire rope 521 is fixed on
In three joint arms 3, therefore the 5th joint arm 5 is retracted under the drive of the 6th steel wire rope 521.The speed of 6th pulley 522 and the 4th joint arm 4
Retraction speed be all 3v, the movement velocity of three joint arms 3 is 2v, therefore the retraction movement speed of the 4th joint arm 4 is 4v, i.e., the 5th
The relative velocity of the joint arm 4 of joint arm 5 and the 4th is also v.Understand, the retraction amount and the second joint arm of 5 relative 4th joint arm 4 of the 5th joint arm
The retraction amount of 2 relative first joint arms 1 is identical.
In summary, it is known that when 6 stretching motion of telescopic oil cylinder, the second joint arm 2, three joint arms 3, the 4th joint arm 4 and
Five joint arms 5 can be synchronous stretching motion, so as to realize the length change of whole arm support.
Fig. 2 is another embodiment of the present utility model.Fig. 2 and Fig. 1 difference is, the one end of the 4th steel wire rope 421
Fixed position it is different.In Fig. 1, one end of the 4th steel wire rope 421 is fixed in the second joint arm 2；In Fig. 2, the 4th steel wire rope 421
One end piston rod for being fixed on telescopic oil cylinder 6 end on.But the operation principle of two kinds of embodiments is consistent.
Steel wire rope mentioned in the utility model, it can also be substituted using other flexible bodies.
The utility model is exemplarily described above in association with accompanying drawing, it is clear that the utility model implements not
Limited by aforesaid way, as long as employ the various unsubstantialities that methodology and technical scheme of the present utility model are carried out
Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at this
Within the protection domain of utility model.
Claims (3)
- A kind of 1. new five joint arms telescoping mechanism, it is characterised in that：Including the first joint arm, the second joint arm, three joint arms, Section four Arm, the 5th joint arm, telescopic oil cylinder and the first steel wire rope, first pulley, the second steel wire rope, second pulley, the 3rd steel wire rope, 3rd pulley, the 4th steel wire rope, the 4th pulley, the 5th steel wire rope, the 5th pulley, the 6th steel wire rope, the 6th pulley, described first Joint arm is connected with fixed external device, and first joint arm, the second joint arm, three joint arms, the 4th joint arm and the 5th joint arm are equal For box-structure, and nest together successively, built in the telescopic oil cylinder in the cavities, the piston rod of the telescopic oil cylinder and One joint arm is connected, and the cylinder barrel of the telescopic oil cylinder is connected with the second joint arm.
- 2. the new five joint arms telescoping mechanism of one kind according to claim 1, it is characterised in that：The first pulley fixes peace Mounted in one end of telescopic oil cylinder, one end of first steel wire rope is fixed on the tail end of the first joint arm, around another after first pulley One end is fixed on the tail end of three joint arms；The second pulley is fixedly mounted on the tail end of the second joint arm, second steel wire rope One end be fixed on the head end of the first joint arm, the tail end of three joint arms is fixed on around the other end after second pulley；Described 3rd Pulley is fixedly mounted on the inside of three joint arms head end, and one end of the 3rd steel wire rope is fixed on the tail end of the second joint arm, around Cross the tail end that the other end after the 3rd pulley is fixed on the 4th joint arm.
- 3. the new five joint arms telescoping mechanism of one kind according to claim 1, it is characterised in that：4th pulley fixes peace Mounted in the tail end of three joint arms, one end of the 4th steel wire rope is fixed on the head end of the second joint arm, around another after the 4th pulley One end is fixed on the tail end of the 4th joint arm；5th pulley is fixedly mounted on the inside of the 4th joint arm head end, the 5th steel One end of cord is fixed on the tail end of three joint arms, and the tail end of the 5th joint arm is fixed on around the other end after the 5th pulley；It is described 6th pulley is fixedly mounted on the tail end of the 4th joint arm, and one end of the 6th steel wire rope is fixed on the head end of three joint arms, around Cross the tail end that the other end after the 6th pulley is fixed on the 5th joint arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413909.9U CN206751235U (en) | 2017-04-19 | 2017-04-19 | A kind of new five joint arms telescoping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413909.9U CN206751235U (en) | 2017-04-19 | 2017-04-19 | A kind of new five joint arms telescoping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206751235U true CN206751235U (en) | 2017-12-15 |
Family
ID=60614275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720413909.9U Expired - Fee Related CN206751235U (en) | 2017-04-19 | 2017-04-19 | A kind of new five joint arms telescoping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206751235U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659662A (en) * | 2019-01-28 | 2019-04-19 | 中国电子科技集团公司第三十八研究所 | A kind of antenna deployment mechanism of telescopic boom |
| CN109882080A (en) * | 2019-01-29 | 2019-06-14 | 青岛达邦钻机有限责任公司 | All-hydraulic rock-drilling jumbo down-the-hole drill boom realizes telescopic method |
| CN110817760A (en) * | 2019-11-14 | 2020-02-21 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
| CN113086870A (en) * | 2021-03-26 | 2021-07-09 | 三一汽车起重机械有限公司 | Telescopic mechanism and crane |
| CN113086869A (en) * | 2021-03-26 | 2021-07-09 | 三一汽车起重机械有限公司 | Telescopic mechanism and crane |
| CN114368705A (en) * | 2022-01-17 | 2022-04-19 | 上海建工四建集团有限公司 | Telescopic mechanism device with horizontally-arranged double power oil cylinders |
| WO2023159752A1 (en) * | 2022-02-22 | 2023-08-31 | 三一汽车起重机械有限公司 | Single-cylinder multi-section boom telescopic mechanism, boom and crane |
-
2017
- 2017-04-19 CN CN201720413909.9U patent/CN206751235U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659662A (en) * | 2019-01-28 | 2019-04-19 | 中国电子科技集团公司第三十八研究所 | A kind of antenna deployment mechanism of telescopic boom |
| CN109659662B (en) * | 2019-01-28 | 2020-05-15 | 中国电子科技集团公司第三十八研究所 | Telescopic arm type antenna unfolding mechanism |
| CN109882080A (en) * | 2019-01-29 | 2019-06-14 | 青岛达邦钻机有限责任公司 | All-hydraulic rock-drilling jumbo down-the-hole drill boom realizes telescopic method |
| CN110817760A (en) * | 2019-11-14 | 2020-02-21 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
| CN110817760B (en) * | 2019-11-14 | 2021-01-26 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
| CN113086870A (en) * | 2021-03-26 | 2021-07-09 | 三一汽车起重机械有限公司 | Telescopic mechanism and crane |
| CN113086869A (en) * | 2021-03-26 | 2021-07-09 | 三一汽车起重机械有限公司 | Telescopic mechanism and crane |
| CN113086870B (en) * | 2021-03-26 | 2022-06-21 | 三一汽车起重机械有限公司 | Telescopic mechanism and crane |
| CN114368705A (en) * | 2022-01-17 | 2022-04-19 | 上海建工四建集团有限公司 | Telescopic mechanism device with horizontally-arranged double power oil cylinders |
| CN114368705B (en) * | 2022-01-17 | 2023-05-02 | 上海建工四建集团有限公司 | Telescoping mechanism device that dual-power hydro-cylinder is arranged horizontally |
| WO2023159752A1 (en) * | 2022-02-22 | 2023-08-31 | 三一汽车起重机械有限公司 | Single-cylinder multi-section boom telescopic mechanism, boom and crane |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |