CN111181306A - Multi-section worm cylinder - Google Patents
Multi-section worm cylinder Download PDFInfo
- Publication number
- CN111181306A CN111181306A CN202010030178.6A CN202010030178A CN111181306A CN 111181306 A CN111181306 A CN 111181306A CN 202010030178 A CN202010030178 A CN 202010030178A CN 111181306 A CN111181306 A CN 111181306A
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- China
- Prior art keywords
- worm
- rod
- telescopic rod
- telescopic
- rack
- 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
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/081—Structural association with bearings specially adapted for worm gear drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a multi-section worm cylinder which comprises a base, a driving mechanism and a multi-section telescopic mechanism, wherein the driving mechanism is arranged on the base, and the multi-section telescopic mechanism is connected onto the driving mechanism; according to the multi-section telescopic mechanism, a motor works to drive a screw rod to rotate, the screw rod drives a screw rod nut to move when rotating, the screw rod nut drives a first telescopic rod to move along with the screw rod nut, the first telescopic rod drives a rack to move when moving, the rack is in meshing transmission with a worm, the rack and the worm drive the motion similar to that of a rack and pinion, so that the worm is driven to rotate, the rotating worm moves along the rack, the worm drives a second telescopic rod to move along with the worm, and therefore the first telescopic rod and the second telescopic rod are driven to move through the screw rod, and multi-section; the invention has simple structure and novel and reasonable design; the invention has the advantages of low realization cost, high working reliability, long service life, good use effect and convenient popularization and use.
Description
Technical Field
The invention relates to the technical field of electric cylinders, in particular to a multi-section worm cylinder.
Background
The single-section electric cylinder used at present has a wide application range, is mainly used for automobile antennas, ship antennas, hoisting equipment telescopic arms, fire-fighting equipment telescopic devices, ship carrier equipment and the like, and has a wide application range and a very large effect. The so-called electric cylinder adopts a driving motor to drive a screw rod to rotate, converts the screw rod into linear motion through a nut, and pushes a piston to do reciprocating linear motion in a cylinder barrel. The commonly used electric cylinder is generally a single-stage electric cylinder, and the single-stage electric cylinder has simple structure and good servo control performance, thereby being widely applied. However, in actual production and use, the situation that the installation space is small and the required working stroke is long or the situation that the working stroke is changed usually occurs, so that the single-stage electric cylinder can meet the requirement of the working stroke but cannot meet the requirement of the installation space. Therefore, in order to meet the requirement of the working stroke, the stroke of the single-stage electric cylinder is lengthened, so that the electric cylinder becomes heavy, the installation space is large, and the lengthened stroke can cause the unstable operation of the electric cylinder. In view of the above drawbacks, it is necessary to design a multi-joint worm cylinder.
Disclosure of Invention
The present invention is directed to a multi-joint worm cylinder to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a worm multisection jar, includes base, actuating mechanism and multisection telescopic machanism, install actuating mechanism on the base, the last multisection telescopic machanism that is connected with of actuating mechanism, actuating mechanism is used for driving multisection telescopic machanism and stretches out and draw back step by step, actuating mechanism includes the motor, multisection telescopic machanism includes dead lever, first telescopic link and second telescopic link, the bottom of dead lever is fixed on the base, and the base is square structure, strengthens the stability of dead lever and prevents the slope, the dead lever is hollow structure, the vertical first telescopic link that is provided with in the dead lever, first telescopic link is hollow structure, the vertical second telescopic link that is provided with in the first telescopic link.
Preferably, the motor is fixed on the upper surface of the base, an output shaft of the motor is fixedly connected with the screw rod, and the screw rod sequentially penetrates through the first telescopic rod and the second telescopic rod and extends into the second telescopic rod.
Preferably, a screw nut matched with the screw rod is arranged on the screw rod in a penetrating mode, and the screw nut is fixed to the bottom of the first telescopic rod.
Preferably, the upper part of the screw rod is sleeved with a support rod, and the support rod is of a hollow tubular structure.
Preferably, the upper end of the support rod penetrates through the first telescopic rod and the second telescopic rod and extends into the second telescopic rod, and the lower end of the support rod is fixed at the bottom of the first telescopic rod.
Preferably, one side of the supporting rod is provided with a rack, and one side of the rack is provided with a worm meshed with the rack.
Preferably, the upper end and the lower end of the worm are respectively installed on bearings, the two bearings are installed on bearing blocks, and the two bearing blocks are respectively fixed at the upper end and the lower end of the second telescopic rod.
Compared with the prior art, the multi-section worm cylinder has the advantages that the motor works to drive the screw rod to rotate, the screw rod drives the screw rod nut to move when rotating, the screw rod nut drives the first telescopic rod to move along with the screw rod nut, the first telescopic rod drives the rack to move when moving, the rack is in meshing transmission with the worm, the rack and the worm are in transmission similar to the movement of a rack and a pinion, so that the worm is driven to rotate, the rotating worm moves along the rack, the worm drives the second telescopic rod to move along with the worm, the first telescopic rod and the second telescopic rod are driven to move through the screw rod, and therefore multi-section expansion is realized, and the multi-section; the invention has simple structure and novel and reasonable design; the invention has the advantages of low realization cost, high working reliability, long service life, good use effect and convenient popularization and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a perspective view of a worm multi-section cylinder of the present invention;
FIG. 2 is a schematic view of a multi-section worm cylinder according to the present invention;
3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 in 3 fig. 3 2 3. 3
In the drawings:
1. a base; 2. fixing the rod; 3. a first telescopic rod; 4. a second telescopic rod; 5. a screw rod; 6. a feed screw nut; 7. a support bar; 8. a rack; 9. a worm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a worm multisection jar, includes base 1, actuating mechanism and multisection telescopic machanism, install actuating mechanism on the base 1, the last multisection telescopic machanism that is connected with of actuating mechanism, actuating mechanism is used for driving multisection telescopic machanism and stretches out and draw back step by step, actuating mechanism includes the motor, multisection telescopic machanism includes dead lever 2, first telescopic link 3 and second telescopic link 4, the bottom of dead lever 2 is fixed on base 1, and base 1 is square structure, strengthens the stability of dead lever 2 and prevents the slope, dead lever 2 is hollow structure, the vertical first telescopic link 3 that is provided with in the dead lever 2, first telescopic link 3 is hollow structure, the vertical second telescopic link 4 that is provided with in the first telescopic link 3.
In the embodiment, the motor is fixed on the upper surface of the base 1, the output shaft of the motor is fixedly connected with the screw rod 5, the screw rod 5 sequentially penetrates through the first telescopic rod 3 and the second telescopic rod 4 and extends into the second telescopic rod 4, the screw rod 5 is provided with the screw nut 6 matched with the screw rod, the screw nut 6 is fixed at the bottom of the first telescopic rod 3, the upper part of the screw rod 5 is sleeved with the support rod 7, the support rod 7 is of a hollow cylindrical structure, the upper end of the support rod 7 penetrates through the first telescopic rod 3 and the second telescopic rod 4 and extends into the second telescopic rod 4, the lower end of the support rod 7 is fixed at the bottom of the first telescopic rod 3, one side of the support rod 7 is provided with the rack 8, one side of the rack 8 is provided with the worm 9 meshed with the rack 8, the upper end and the lower end of the worm 9 are respectively installed on the bearings, the two bearing blocks are respectively fixed at the upper end and the lower end of the second telescopic rod 4.
In the embodiment, the two bearings are tapered roller bearings, and the tapered roller bearings used in pairs can bear larger axial force, so that the service life of the worm multi-section cylinder is prolonged.
In this embodiment, this worm multisection jar is when using, motor work drives lead screw 5 and rotates, lead screw 5 drives screw-nut 6 and removes when the pivoted, screw-nut 6 drives first telescopic link 3 and removes along with screw-nut 6, when first telescopic link 3 removes, it removes to drive rack 8, rack 8 and worm 9 mesh transmission, rack 8 and the similar rack and pinion's of worm 9 transmission motion, thereby it rotates to drive worm 9, pivoted worm 9 removes along rack 8, worm 9 drives second telescopic link 4 and removes along with worm 9, thereby it removes to drive first telescopic link 3 and second telescopic link 4 through lead screw 5, and then realize that the multisection is flexible, and the multisection is flexible simultaneously. In the embodiment, all the related joints are designed to be sealed, and good consideration is given to rain water and dust prevention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a worm multisection jar, includes base (1), actuating mechanism and multisection telescopic machanism, install actuating mechanism, its characterized in that on base (1): the driving mechanism is connected with a multi-section telescopic mechanism, the driving mechanism is used for driving the multi-section telescopic mechanism to stretch out and draw back step by step, the driving mechanism comprises a motor, the multi-section telescopic mechanism comprises a fixing rod (2), a first telescopic rod (3) and a second telescopic rod (4), the bottom of the fixing rod (2) is fixed on a base (1), the base (1) is of a square structure, the fixing rod (2) is of a hollow structure, the fixing rod (2) is vertically provided with the first telescopic rod (3) in the fixing rod (2), the first telescopic rod (3) is of a hollow structure, and the first telescopic rod (3) is vertically provided with the second telescopic rod (4).
2. The worm multi-joint cylinder as defined in claim 1, wherein: the motor is fixed on the upper surface of the base (1), an output shaft of the motor is fixedly connected with the screw rod (5), and the screw rod (5) sequentially penetrates through the first telescopic rod (3) and the second telescopic rod (4) and extends into the second telescopic rod (4).
3. The worm multi-joint cylinder as defined in claim 2, wherein: the lead screw (5) is provided with a lead screw nut (6) matched with the lead screw in a penetrating mode, and the lead screw nut (6) is fixed to the bottom of the first telescopic rod (3).
4. The worm multi-joint cylinder as defined in claim 3, wherein: the upper part of the screw rod (5) is sleeved with a support rod (7), and the support rod (7) is of a hollow tubular structure.
5. The worm multi-joint cylinder as defined in claim 4, wherein: the upper end of the supporting rod (7) penetrates through the first telescopic rod (3) and the second telescopic rod (4) and extends into the second telescopic rod (4), and the lower end of the supporting rod (7) is fixed at the bottom of the first telescopic rod (3).
6. The worm multi-joint cylinder as defined in claim 5, wherein: one side of the supporting rod (7) is provided with a rack (8), and one side of the rack (8) is provided with a worm (9) meshed with the rack (8).
7. The worm multi-joint cylinder as defined in claim 6, wherein: the upper end and the lower end of the worm (9) are respectively installed on bearings, the two bearings are installed on bearing blocks, and the two bearing blocks are respectively fixed at the upper end and the lower end of the second telescopic rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030178.6A CN111181306A (en) | 2020-01-13 | 2020-01-13 | Multi-section worm cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030178.6A CN111181306A (en) | 2020-01-13 | 2020-01-13 | Multi-section worm cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111181306A true CN111181306A (en) | 2020-05-19 |
Family
ID=70652648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010030178.6A Pending CN111181306A (en) | 2020-01-13 | 2020-01-13 | Multi-section worm cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111181306A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753499A (en) * | 2021-09-29 | 2021-12-07 | 南京凡澄自动化有限公司 | Telescopic device for belt telescopic machine and use method thereof |
| CN114053095A (en) * | 2021-11-17 | 2022-02-18 | 扬州大学 | Lower limb exoskeleton device, system for controlling device action and control method thereof |
-
2020
- 2020-01-13 CN CN202010030178.6A patent/CN111181306A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753499A (en) * | 2021-09-29 | 2021-12-07 | 南京凡澄自动化有限公司 | Telescopic device for belt telescopic machine and use method thereof |
| CN114053095A (en) * | 2021-11-17 | 2022-02-18 | 扬州大学 | Lower limb exoskeleton device, system for controlling device action and control method thereof |
| CN114053095B (en) * | 2021-11-17 | 2024-03-22 | 扬州大学 | Lower limb exoskeleton device, system for controlling action of device and control method of system |
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Country or region after: China Address after: Room 304, Building 13, No. 102 Zhaoxi Road, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province 215000 Applicant after: Suzhou Bibi Medical Technology Co.,Ltd. Address before: 215000 yanjiaqiao, Changsheng village, Banqiao District, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: Suzhou Gaobi Intelligent Technology Co.,Ltd. Country or region before: China |