CN211412847U

CN211412847U - Self-cleaning multistage helical tooth tilt cylinder

Info

Publication number: CN211412847U
Application number: CN201922294797.1U
Authority: CN
Inventors: 钱雪锋; 张文君
Original assignee: Shanghai Dunke Machinery Co ltd
Current assignee: Shanghai Dunke Machinery Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-04
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a self-cleaning multistage helical gear tilt cylinder, which comprises a protection shaft sleeve and an output shaft, wherein the output shaft is arranged inside the protection shaft sleeve, a plurality of piston gear sleeves which are mutually embedded and meshed are sequentially arranged inside the protection shaft sleeve from outside to inside, the piston gear sleeve which is positioned at the innermost side is connected with the output shaft through a gear part on the surface of the output shaft in a transmission way, rotary cleaning devices are arranged at both ends of the protection shaft sleeve and surround the output shaft, the rotary cleaning devices comprise cleaning sleeve rings which are sleeved outside the output shaft, the inner sides of the cleaning sleeve rings are arranged at the end part of the protection shaft sleeve through locking frames, a plurality of cleaning heads are uniformly arranged on the inner wall of the cleaning sleeve rings, a plurality of tuyere seats are also uniformly arranged on the cleaning sleeve rings, large thrust is effectively converted into torque, and the required swing angle is ensured, the precision of the output shaft can be ensured when the device is used for a long time, and the problems brought forward by the background technology can be effectively solved.

Description

Self-cleaning multistage helical tooth tilt cylinder

Technical Field

The utility model relates to the field of machinary, especially, relate to swing hydro-cylinder, specifically be a multistage helical tooth tilt cylinder of automatically cleaning.

Background

The swing cylinder is a close fitting that integrates very high torque using hydraulic pressure in a small space. The inside of the swing oil cylinder adopts a combined spiral tooth structure, and the whole swing oil cylinder can produce larger torque in a smaller space. Despite their high power, they can still be controlled accurately and easily, and swing cylinders have been successfully used in almost all fields requiring limited rotational movement and high torque.

Traditional swing hydro-cylinder, generally only two-stage spiral is vice, turn into torsion outwards output hydraulic thrust, use occasion has the restriction to swing hydro-cylinder axial dimension a bit, radial dimension can widen, so the spiral of two-stage helical tooth tilt cylinder is vice external diameter just can reach the required moment of torsion just with corresponding grow, and will guarantee the swing angle stroke moreover, so the spiral lead angle of spiral pair just becomes very little just can obtain required swing stroke, lead to the spiral vice like the lead screw auto-lock, can't satisfy the design requirement. The maximum swing stroke of the traditional vane type swing cylinder is only 270 degrees, and the traditional vane type swing cylinder is easy to leak inwards and cannot bear axial force.

And because the precision of the interior of the swing oil cylinder is higher, the requirement on the surface of the swing oil cylinder is also higher, and the surface of an output shaft of the swing oil cylinder is easily corroded by sundries during actual use, so that the subsequent use precision is influenced.

Disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides a multistage helical tooth tilt cylinder of automatically cleaning effectively is transformed into the moment of torsion with big thrust, has guaranteed required swing angle again, can guarantee the precision of output shaft simultaneously when long-term the use, can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

a self-cleaning multistage helical gear swing cylinder comprises a protection shaft sleeve and an output shaft, wherein a base is installed at the bottom of the protection shaft sleeve, the output shaft is arranged inside the protection shaft sleeve, a plurality of mutually embedded and meshed piston gear sleeves which are sequentially arranged from outside to inside are installed inside the protection shaft sleeve, the most inner side of the piston gear sleeve is connected with the output shaft through a gear part on the surface of the output shaft in a transmission manner, rotary cleaning devices are installed at the two ends of the protection shaft sleeve and surround the output shaft, each rotary cleaning device comprises a cleaning sleeve ring sleeved outside the output shaft, the inner side of the cleaning sleeve ring is installed at the end part of the protection shaft sleeve through a locking frame, a plurality of cleaning heads are uniformly arranged on the inner wall of the cleaning sleeve ring, a cleaning brush is installed at one end, close to the output shaft, of the cleaning heads, and a plurality of seal seats, each of the closure seats is disposed between adjacent cleaning heads.

Furthermore, the outer end of the cleaning headrest is connected with an electric push rod, and a vibrator is further installed between the electric push rod and the cleaning head.

Furthermore, the locking frame comprises a plurality of piston locking shafts, one end of each piston locking shaft is fixedly installed on the cleaning sleeve ring through a rotating bearing, and the other end of each piston locking shaft is spirally installed on the protection shaft sleeve.

Further, the outer surface of the cleaning lantern ring is provided with a power device, the power device comprises a power rotating shaft connected to the end part of the protection shaft sleeve, the outer end of the power rotating shaft is connected with a driving fluted disc through a telescopic rod, and the outer surface of the cleaning lantern ring is in meshing transmission with the driving fluted disc through a driven fluted disc.

Further, seal the seat outer end and install the fan, the bucket form elasticity lid is installed to the inner, bucket form elasticity lid passes through the conduction pole and is connected with the vibrator.

Further, a hollow interlayer is arranged inside the cleaning brush.

Further, the number of the piston gear sleeves is an odd number larger than three, and the length of the piston gear sleeve positioned in the middle part is smaller than the length of the piston gear sleeves positioned on the inner side and the outer side.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a swing hydro-cylinder is under the limited condition of axial dimension, adopt the mode of nested formula piston tooth cover, effectively be transformed into the moment of torsion with big thrust, required swing angle has been guaranteed simultaneously, simultaneously through the mode shorter with intermediate level piston tooth cover design, utilize the axial difference to increase the motion stroke, obtain required swing angle, on the other hand, after long-term the use, clean output shaft surface through the epaxial rotation cleaning device of output, effectively prevent that the output shaft from being corroded, thereby the work precision of whole swing hydro-cylinder has been guaranteed, can effectively solve the problem in the background art.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the protective sleeve of the present invention;

fig. 3 is a schematic view of the structure of the cleaning collar of the present invention.

Reference numbers in the figures:

1-protecting the shaft sleeve; 2-an output shaft; 3-piston gear sleeve; a 4-gear portion; 5-rotating the cleaning device; 6-hollow interlayer; 7-a power plant; 8-a fan; 9-a conductive rod; 10-a base; 11-a bucket-shaped elastic cover;

501-cleaning the collar; 502-a locking stand; 503-a cleaning head; 504-cleaning brush; 505-a seal seat; 506-an electric push rod; 507-a vibrator; 508-piston lock shaft; 509-a rotational bearing;

701-a power rotating shaft; 702-a telescoping rod; 703-a driving fluted disc; 704-driven cog.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a multistage helical tooth tilt cylinder of automatically cleaning, including protection axle sleeve 1 and output shaft 2, base 10 is installed to protection axle sleeve 1 bottom, output shaft 2 sets up inside protection axle sleeve 1, protection axle sleeve 1 internally mounted has the piston gear cover 3 that has set gradually the mutual nested meshing of a plurality of by outer to interior, is located the most inboard piston gear cover 3 is connected through the gear portion 4 and the 2 transmissions of output shaft 2 surfaces.

In this scheme, during the specific use, from inside to outside, the piston tooth cover 3 dextrorotation of first layer, the piston tooth cover 3 dextrorotation of second layer, the piston tooth cover 3 levogyration of third layer, the piston tooth cover 3 levogyration in the outside, when output shaft 2 receives thrust and moves to the left side from the right side, the pivoted angle stack that each layer of piston tooth cover 3 was is total swing angle, the moment of torsion that each layer of piston tooth cover 3 output equals the thrust that the corresponding piston cross-section received and multiplies mechanical efficiency.

Preferably, the number of the piston gear sleeves 3 is an odd number greater than three, and the length of the piston gear sleeve 3 located in the middle part is smaller than the lengths of the piston gear sleeves 3 located on the inner side and the outer side, and during specific use, because the piston gear sleeve 3 located on the outermost side generally moves and then moves from the outside to the inside one by one, because the thrust force applied to the piston gear sleeve 3 on the outer layer is relatively large, if the piston gear sleeves 3 are even numbers, when the piston gear sleeves 3 move synchronously, a required swing angle cannot be realized, and the piston gear sleeves 3 are designed to be odd numbers, the increase of the swing stroke can be realized by using the axial difference of the piston gear sleeves 3 on the middle layer, so the increase of the swing stroke can be effectively realized by designing the piston gear sleeves 3 to be odd numbers.

As shown in fig. 2 and 3, rotation cleaning device 5 is all installed at protection axle sleeve 1 both ends, rotation cleaning device 5 encircles and sets up in output shaft 2 outside, rotation cleaning device 5 is established including the cover and is established the outside clean lantern ring 501 of output shaft 2, install at protection axle sleeve 1 tip through locking frame 502 in the clean lantern ring 501 inboard, the clean lantern ring 501 inner wall evenly is provided with a plurality of cleaning head 503, cleaning head 503 is close to the one end of output shaft 2 and installs cleaning brush 504, still evenly install a plurality of seal seat 505 on the clean lantern ring 501, each seal seat 505 all sets up between adjacent cleaning head 503.

When the device is used specifically, the output shaft 2 is exposed outside and is easy to be stained with impurities to be corroded, and at the moment, the output shaft 2 can be moved and the impurities on the surface can be cleaned through the automatic cleaning function of the rotating cleaning device 5, so that the operation precision of the whole device is effectively improved.

The cleaning lantern ring 501 is fixedly installed on the protective shaft sleeve 1 through the locking frame 502, the cleaning lantern ring 501 is under the action of the plurality of sealing seats 505, the surface of the output shaft 2 is effectively cleaned through the plurality of cleaning heads 503, when the cleaning brushes 504 of the plurality of cleaning heads 503 work, the sundries after being cleaned can be rapidly fallen off under the action of wind power matched with the plurality of sealing seats 505, thereby effectively removing the sundries remained on the surface of the output shaft 2, preventing the output shaft 2 from being corroded, improving the working precision of the output shaft, and prolonging the service life.

The cleaning brush 504 is internally provided with a hollow interlayer 6, and when the cleaning brush 504 is in direct contact with the output shaft 2, the surface of the output shaft 2 is prevented from being damaged by the buffer effect of the hollow interlayer 6.

And clean lantern ring 501 passes through locking frame 502 fixed mounting, locking frame 502 includes a plurality of piston locking axle 508, piston locking axle 508 one end is passed through rolling bearing 509 fixed mounting on clean lantern ring 501, piston locking axle 508 other end spiral mounting is on protection axle sleeve 1, utilizes rolling bearing 509's swing joint effect for the rotation of clean lantern ring 501 can not receive the influence of piston locking axle 508, thereby makes clean lantern ring 501 can rotate at will, can not receive the influence, and because the flexible regulatory action of freedom of piston locking axle 508, can adapt to the arbitrary position regulation of clean lantern ring 501.

Furthermore, an electric push rod 506 is connected to one end, close to the outside, of the cleaning head 503, a vibrator 507 is further installed between the electric push rod 506 and the cleaning head 503, and as the cleaning is performed, the cleaning brush 504 on the cleaning head 503 can move back and forth continuously under the action of the electric push rod 506, so that the contact effect between the cleaning brush 504 and the output shaft 2 is increased, and the vibration effect of the vibrator 507 is matched, so that the contact friction effect between the cleaning brush 504 and the output shaft 2 is larger, and a better cleaning effect is achieved.

It should be noted that the fan 8 is installed at the outer end of the seal seat 505, the bucket-shaped elastic cover 11 is installed at the inner end, the bucket-shaped elastic cover 11 is connected with the vibrator 507 through the conducting rod 9, because the seal seat 505 outputs wind through the fan 8, the wind is output through the bucket-shaped elastic cover 11, and the bucket-shaped elastic cover 11 with fixed direction leads to single wind output direction, so that dead angle cleaning is easy to occur, and at this time, the vibration action of the vibrator 507 is transmitted to the bucket-shaped elastic cover 11 through the connection action of the conducting rod 9 and the vibrator 507, so that the bucket-shaped elastic cover 11 can move synchronously with the vibrator 507, so that the wind output direction of the bucket-shaped elastic cover 11 can be changed dynamically, thereby changing the wind output direction rapidly, and enabling the seal seat 505 to perform effective blowing treatment on each position of the surface of the output shaft 2, thereby improving cleaning effect.

On the other hand, the sealing seat 505 can adopt a fan with blowing function and a fan with air draft function, so that wind power is guaranteed, and meanwhile, impurities falling from the surface of the output shaft 2 can be absorbed and treated in time, and secondary pollution caused by the impurities is prevented.

As a preferable technical proposal, the outer surface of the cleaning lantern ring 501 is provided with a power device 7, the power device 7 comprises a power rotating shaft 701 connected with the end part of the protective shaft sleeve 1, the outer end of the power rotating shaft 701 is connected with a driving fluted disc 703 through a telescopic rod 702, the outer surface of the cleaning sleeve ring 501 is engaged and driven by the driven fluted disc 704 and the driving fluted disc 703, through the driving action of the power device 7, the whole cleaning sleeve ring 501 can perform rotary cleaning on the output shaft 2, thereby improving the cleaning effect of the cleaning collar 501, when in use, the driving shaft 701 drives the driving fluted disc 703 to rotate, and then the driving fluted disc 703 is engaged with the driven fluted disc 704, so that the driven fluted disc 704 drives the cleaning collar 501 to rotate, so that the cleaning collar 501 can quickly change the cleaning position on the output shaft 2, thereby improving the cleaning effect on the output shaft 2.

On the other hand, because the output shaft 2 can displace along with the movement of the piston shaft sleeve 3, and because the power shaft 701 is connected with the driving fluted disc 703 through the telescopic rod 702, and along with the movement of the output shaft 2, the telescopic rod 702 also changes the length along with the movement, so that the whole power device 7 can be ensured to freely move along with the movement of the output shaft 2, the same cleaning lantern ring 501 is fixed through the piston locking shaft 508, the piston locking shaft 508 can be freely adjusted in a telescopic manner, and the adjustment of the cleaning lantern ring 501 cannot be influenced.

Compared with the prior art, the utility model discloses a swing hydro-cylinder adopts the mode of nested formula piston tooth cover under the limited condition of axial dimension, effectively be transformed into the moment of torsion with big thrust, required swing angle has been guaranteed simultaneously, simultaneously through the mode shorter with intermediate level piston tooth cover design, utilize the axial difference to increase the motion stroke, obtain required swing angle, on the other hand, after long-term the use, clean output shaft surface through the epaxial rotation cleaning device of output, effectively prevent that the output shaft from being corroded, thereby the work precision of whole swing hydro-cylinder has been guaranteed, the problem in the background art can be effectively solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multistage helical tooth tilt cylinder of automatically cleaning, its characterized in that, includes protection axle sleeve (1) and output shaft (2), base (10) are installed to protection axle sleeve (1) bottom, output shaft (2) set up inside protection axle sleeve (1), protection axle sleeve (1) internally mounted has a plurality of piston tooth cover (3) of mutual nested meshing that set gradually by outer to interior, and the piston tooth cover (3) that are located the most inboard is connected through gear portion (4) and output shaft (2) transmission on output shaft (2) surface, rotation cleaning device (5) are all installed at protection axle sleeve (1) both ends, rotation cleaning device (5) encircle to set up in output shaft (2) outside, it establishes at the outside clean lantern ring (501) of output shaft (2) including the cover to rotate cleaning device (5), install at protection axle sleeve (1) tip through locking frame (502) in clean lantern ring (501) inboard, the utility model discloses a cleaning brush, including cleaning sleeve ring (501), cleaning brush head (503), cleaning sleeve ring (501) inner wall evenly is provided with a plurality of cleaning head (503), cleaning head (503) are close to the one end of output shaft (2) and install cleaning brush (504), still evenly install a plurality of seal seat (505) on cleaning sleeve ring (501), each seal seat (505) all set up between adjacent cleaning head (503).

2. A self-cleaning multi-stage helical-tooth tilt cylinder according to claim 1, wherein an electric push rod (506) is connected to one end of the cleaning head (503) close to the outside, and a vibrator (507) is further installed between the electric push rod (506) and the cleaning head (503).

3. A self-cleaning multi-stage helical-tooth tilt cylinder according to claim 1, wherein the locking frame (502) comprises a plurality of piston locking shafts (508), one end of the piston locking shaft (508) is fixedly mounted on the cleaning collar (501) through a rotating bearing (509), and the other end of the piston locking shaft (508) is spirally mounted on the protective sleeve (1).

4. The self-cleaning multistage helical tooth tilt cylinder according to claim 3, characterized in that a power device (7) is mounted on the outer surface of the cleaning sleeve ring (501), the power device (7) comprises a power rotating shaft (701) connected to the end of the protective shaft sleeve (1), the outer end of the power rotating shaft (701) is connected with a driving fluted disc (703) through a telescopic rod (702), and the outer surface of the cleaning sleeve ring (501) is in meshing transmission with the driving fluted disc (703) through a driven fluted disc (704).

5. A self-cleaning multistage helical tooth tilt cylinder according to claim 2, wherein the outer end of the seal seat (505) is provided with a fan (8), the inner end is provided with a bucket-shaped elastic cover (11), and the bucket-shaped elastic cover (11) is connected with the vibrator (507) through a conducting rod (9).

6. A self-cleaning multi-stage helical tooth tilt cylinder according to claim 1, wherein the cleaning brush (504) is internally provided with a hollow partition (6).

7. A self-cleaning multi-stage helical-tooth tilt cylinder according to claim 1, wherein the number of the piston tooth sleeves (3) is an odd number greater than three, and the length of the piston tooth sleeve (3) in the middle part is smaller than the length of the piston tooth sleeves (3) in the inner and outer sides.