CN107697464B - A kind of protective device and method of central siphon and double tube - Google Patents
A kind of protective device and method of central siphon and double tube Download PDFInfo
- Publication number
- CN107697464B CN107697464B CN201710721796.3A CN201710721796A CN107697464B CN 107697464 B CN107697464 B CN 107697464B CN 201710721796 A CN201710721796 A CN 201710721796A CN 107697464 B CN107697464 B CN 107697464B
- Authority
- CN
- China
- Prior art keywords
- head protector
- oil pipe
- hole head
- central siphon
- protective jacket
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
- B65D59/04—Sleeves, e.g. postal tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
- B65D25/106—Elements projecting into a recess or through a hole in the articles
Abstract
The invention discloses the protective devices and method of a kind of central siphon and double tube, belong to equipment conveying field.Protective device includes the first guard assembly and the second guard assembly, first guard assembly includes the first oil pipe protective jacket, first shaft hole head protector and the first threaded rod, first oil pipe protects the one end for being set on double tube, one end of central siphon is arranged in first shaft hole head protector, first threaded rod is for connecting the first oil pipe protective jacket and first shaft hole head protector, second guard assembly includes the second oil pipe protective jacket, second axis hole head protector and the second threaded rod, first oil pipe protects the other end for being set on double tube, the other end of central siphon is arranged in first shaft hole head protector, second threaded rod is for connecting the second oil pipe protective jacket and the second axis hole head protector.The first shaft hole head protector at central siphon both ends and the second axis hole head protector respectively tense the first oil pipe protective jacket and the second oil pipe protective jacket to both ends, limit the free state of double tube, can be fixed in central siphon inner hole.
Description
Technical field
The present invention relates to equipment conveying field, in particular to the protective device and method of a kind of central siphon and double tube.
Background technique
Tuning for Controllable Pitch Propeller is a kind of Ship Propeling form being widely used at present, and maximum feature is by adjusting blade screw pitch
To change the route speed of ship.Wherein the shafting of tuning for Controllable Pitch Propeller is the core of tuning for Controllable Pitch Propeller, and the shafting of tuning for Controllable Pitch Propeller generallys use
Hollow shaft, inner hole are mainly used to install oil pipe component, realize the conveying of hydraulic oil and the machine feedback of blade pitch signal.
It is all that each central siphon individually packs shipping, every section of equipment arrives in product packaging shipping since whole section of shafting is longer
Up to after shipyard, then carries out sectional and form an entirety.In order to avoid when shipyard assembles, connection between each central siphon with
And there is deviation in the connection between every section of oil pipe component, and also to which the cleaning of axis inner hole and oil pipe component, mesh is effectively ensured
The central siphon of preceding use with the protective device of double tube is placed on double tube in the axis inner hole of corresponding central siphon, and it is anti-to reuse axis hole
Helmet seals the axis inner hole both ends of every section of central siphon, and central siphon outer surface uses entrucking after the progress Packing Sound such as protective film and batten
Shipping, central axis hole head protector are the cylindrical tube shape of circle one end sealing one end open, the open one end of axis hole head protector and central siphon
One end connection, one end of central siphon is equipped with an annular stopper around the inner hole of central siphon, in the exit orifice of one end of axis hole head protector to
It is extended with a circle flange outside, and the flange matches with the annular stopper on central siphon.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
In the handling process, the axis hole head protector in protective device is only filled in the inner hole of central siphon, is not completely fixed,
And the double tube in central siphon inner hole is also unlocked, when there is emergency brake in transportational process, double tube can be due to used
Property and generate relative motion with central siphon, it is easy to open axis hole head protector, loosen axis hole head protector, cause central siphon inner hole and double
The cleaning of oil pipe is polluted, and will lead to the damage of equipment when serious, can not normal use so as to cause whole device.
Summary of the invention
In order to solve the problems, such as that protective device easily loosens in the prior art, the embodiment of the invention provides a kind of central siphons and double
The protective device of oil pipe, the technical solution is as follows:
In a first aspect, the protective device includes first the present invention provides the protective device of a kind of central siphon and double tube
Guard assembly and the second guard assembly;
First guard assembly includes the first oil pipe protective jacket, first shaft hole head protector and the first threaded rod, and described the
One oil pipe protective jacket and the first shaft hole head protector are the cylindrical tube shape of another end opening closed at one end;First oil pipe
Closed one end of protective jacket is provided with the tapped through hole coaxial with the first oil pipe protective jacket, the first oil pipe protective jacket
Inner wall be equipped with the internal screw thread to match with the external screw thread of one end of double tube;Closed the one of the first shaft hole head protector
End is provided with the connection through-hole coaxial with the first shaft hole head protector, the outer diameter of the first shaft hole head protector and central siphon it is interior
Diameter is identical, and the flange extended radially outward is provided on the outer wall of the first shaft hole head protector, first threaded rod
One end is provided with block, and first threaded rod is for connecting the first oil pipe protective jacket and the first shaft hole head protector;
Second guard assembly includes the second oil pipe protective jacket, the second axis hole head protector and the second threaded rod, and described the
Two oil pipe protective jackets and the second axis hole head protector are the cylindrical tube shape of another end opening closed at one end;Second oil pipe
Closed one end of protective jacket is provided with the tapped through hole coaxial with the second oil pipe protective jacket, the second oil pipe protective jacket
Outer wall be equipped with the external screw thread to match with the internal screw thread of the other end of the double tube;The structure of the second axis hole head protector
Identical as the structure of the first shaft hole head protector, one end of second threaded rod is provided with block, second threaded rod
For connecting the second oil pipe protective jacket and the second axis hole head protector;
Annular is provided on the outer wall of at least one of the first shaft hole head protector and the second axis hole head protector
Groove, the annular groove is interior to be equipped with O-ring.
Further, it is set on the flange of at least one of the first shaft hole head protector and described second axis hole head protector
There are multiple screw holes.
Further, it is set on the flange of at least one of the first shaft hole head protector and described second axis hole head protector
There are two screw holes, and described two screw holes are along circumferentially-spaced 180 ° of settings of the flange.
Further, the outer wall of the second oil pipe protective jacket is equipped with the ring baffle extended radially outward.
Further, the first oil pipe protective jacket and the second oil pipe protective jacket are made of carbon steel material.
Further, the first shaft hole head protector and the second axis hole head protector are made of carbon steel material.
Second aspect, the present invention provides the means of defence of a kind of central siphon and double tube, the means of defence uses first
Protective device described in aspect, the means of defence include:
The first oil pipe protective jacket is mounted on to one end of the double tube;
The second oil pipe protective jacket is mounted on to the other end of the double tube;
The first shaft hole head protector is mounted on to one end of the central siphon;
First threaded rod is passed through to connection through-hole and first oil pipe protection on the first shaft hole head protector
Tapped through hole on set;
The second axis hole head protector is mounted on to the other end of the central siphon;
Second threaded rod is passed through to connection through-hole and second oil pipe protection on the second axis hole head protector
Tapped through hole on set;
First threaded rod and second threaded rod are tightened, the block and second spiral shell of first threaded rod are made
The block of rasp bar clamps the first shaft hole head protector and the second axis hole head protector.
Further, the means of defence further includes smearing antirust oil outside the central siphon.
Further, the means of defence further include:
Protective film is wrapped up outside the central siphon and the protective device;
More battens, circumferential array of the more battens along the central siphon are tied up outside the central siphon.
Technical solution provided in an embodiment of the present invention has the benefit that
Pass through the first guard assembly of setting and the second guard assembly, wherein the first guard assembly is protected including the first oil pipe
Set, first shaft hole head protector and the first threaded rod, the second guard assembly include the second oil pipe protective jacket, the second axis hole head protector and
Second threaded rod, since the externally threaded one end that is equipped with of the first oil pipe protective jacket and double tube matches, the second oil pipe protective jacket
Match with the internal thread one end that sets of double tube, so as to distinguish the first oil pipe protective jacket and the second oil pipe protective jacket
The both ends of double tube are connected to, while by the way that first shaft hole head protector and the second axis hole head protector are separately positioned on the two of central siphon
End, is fixed the first oil pipe protective jacket with first shaft hole head protector by threaded rod, by the second oil pipe protective jacket and the second axis hole
Head protector is fixed, so that the first guard assembly and the second guard assembly are connected by double tube, and is held out against by central siphon, double tube
It can reliably be fixed in central siphon inner hole, emergency brake bring security risk is just avoided that in product shipping process, is kept away
Exempt from double tube to open protective device and cause damaged products, effectively raises the reliability of product protection.And the apparatus structure
Simply, the closure at central siphon both ends and the both ends of double tube realizes sealing, ensure that the cleaning of central siphon inner cavity.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of a kind of central siphon and double tube provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram that protective device is equipped on a kind of central siphon provided in an embodiment of the present invention and double tube;
Fig. 3 is that the part-structure that a kind of central siphon provided in an embodiment of the present invention is equipped with the first guard assembly with double tube shows
It is intended to;
Fig. 4 is the part-structure that the second guard assembly is equipped on a kind of central siphon provided in an embodiment of the present invention and double tube
Schematic diagram;
Fig. 5 is a kind of structural schematic diagram of first shaft hole head protector provided in an embodiment of the present invention;
Fig. 6 is a kind of method flow diagram of the means of defence of central siphon and double tube provided in an embodiment of the present invention;
Fig. 7 is the structural schematic diagram that another central siphon and double tube provided in an embodiment of the present invention are equipped with protective device;
Fig. 8 is the structural schematic diagram of part A in Fig. 7;
Fig. 9 is the section B-B figure of Fig. 7.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
In order to better understand the present invention, the structure of central siphon and double tube is illustrated below:
Fig. 1 is the structural schematic diagram of a kind of existing central siphon and double tube, as shown in Figure 1, one end of double tube 1 is provided with
External screw thread, the other end of double tube 1 are provided with internal screw thread, an annular stopper are respectively arranged on the end face at the both ends of central siphon 2
2b, double tube 1 usually transport simultaneously with central siphon 2, and in transport, double tube 1 is placed in corresponding central siphon 2.
Fig. 2 is the structural schematic diagram that protective device is equipped on a kind of central siphon provided in an embodiment of the present invention and double tube,
As shown in Fig. 2, the protective device includes the first guard assembly 3 and the second guard assembly 4, the first guard assembly 3 is arranged in central siphon 2
With one end of double tube 1, the other end of central siphon 2 Yu double tube 1 is arranged in the second guard assembly 4.
Fig. 3 is that the part-structure that a kind of central siphon provided in an embodiment of the present invention is equipped with the first guard assembly with double tube shows
It is intended to, as shown in figure 3, the first guard assembly 3 includes the first oil pipe protective jacket 31, first shaft hole head protector 32 and the first threaded rod
33, the first oil pipe protective jacket 31 and first shaft hole head protector 32 are the cylindrical tube shape of another end opening closed at one end.First oil
Closed one end of tube protecting sleeve 31 is provided with the tapped through hole 31a coaxial with the first oil pipe protective jacket 31, the protection of the first oil pipe
The internal diameter of one end of the opening of set 31 is equal to the outer diameter of double tube 1, and the outer wall of one end of double tube 1 is equipped with external screw thread, and first
The inner wall of oil pipe protective jacket 31 is equipped with the internal screw thread to match with the external screw thread of one end of double tube 1.First shaft hole head protector
32 closed one end is provided with the connection through-hole 32a coaxial with first shaft hole head protector 32, and first shaft hole head protector 32 is opened
The outer diameter of one end of mouth is identical as the internal diameter of central siphon 2, is provided with edge on the outer wall of one end of the opening of first shaft hole head protector 32
The flange 32b to extend radially outwardly, one end of the first threaded rod 33 are provided with block 33a, and the first threaded rod 33 is for connecting the
One oil pipe protective jacket 31 and first shaft hole head protector 32.
Specifically, the flange 32b on the first shaft hole head protector 32 and seam allowance 2b on central siphon 2 matches, and first shaft hole is anti-
Helmet 32 and the inner hole of central siphon 2 are positioned by seam allowance 2b.Be provided on first threaded rod 33 on the first oil pipe protective jacket 31
The compatible screw thread of tapped through hole 31a, the first threaded rod 33 connect the first oil pipe with tapped through hole 31a by connection through-hole 32a
Protective jacket 31 and first shaft hole head protector 32.
Fig. 4 is the part-structure that the second guard assembly is equipped on a kind of central siphon provided in an embodiment of the present invention and double tube
Schematic diagram, as shown in figure 4, the second guard assembly 4 includes the second oil pipe protective jacket 41, the second axis hole head protector 42 and the second screw thread
Bar 43, the second oil pipe protective jacket 41 and the second axis hole head protector 42 are the cylindrical tube shape of another end opening closed at one end.Second
Closed one end of oil pipe protective jacket 41 is provided with the tapped through hole 41a coaxial with the second oil pipe protective jacket 41, and the second oil pipe is anti-
The outer diameter of one end of the opening of sheath 41 is equal to the internal diameter of double tube 1, and the inner wall of the other end of double tube 1 is equipped with internal screw thread,
The outer wall of second oil pipe protective jacket 42 is equipped with the external screw thread to match with the internal screw thread of the other end of double tube 1.Second axis hole is anti-
Closed one end of helmet 42 is provided with the connection through-hole 42a coaxial with the second axis hole head protector 42, the second axis hole head protector 42
Opening one end outer diameter it is identical as the internal diameter of central siphon 2, be arranged on the outer wall of one end of the opening of the second axis hole head protector 42
There is the flange 42b extended radially outward, one end of the second threaded rod 43 is provided with block 43a, and the second threaded rod 43 is for connecting
Connect the second oil pipe protective jacket 41 and first shaft hole head protector 42.
Specifically, the flange 42b on the second axis hole head protector 42 and seam allowance 2b on central siphon 2 matches, and the second axis hole is anti-
Helmet 42 and the inner hole of central siphon 2 are positioned by seam allowance 2b.Be provided on second threaded rod 43 on the second oil pipe protective jacket 41
The compatible screw thread of tapped through hole 41a, the second threaded rod 43 connect the second oil pipe with tapped through hole 41a by connection through-hole 42a
Protective jacket 41 and first shaft hole head protector 42.
It should be noted that the first threaded rod 33 is identical as the structure of the second threaded rod 43 in the present embodiment, other
In embodiment, the first threaded rod 33 can be arranged to different structures from the second threaded rod 43 according to actual needs, for example, when first
Tapped through hole 31a on the oil pipe protective jacket 31 and tapped through hole 41a on the second oil pipe protective jacket 41 it is of different sizes when, first
Threaded rod 33 is not also identical as the diameter of the second threaded rod 43.
The present invention crosses the first guard assembly of setting and the second guard assembly, wherein the first guard assembly includes the first oil pipe
Protective jacket, first shaft hole head protector and the first threaded rod, the second guard assembly include the second oil pipe protective jacket, the protection of the second axis hole
Cap and the second threaded rod, since the externally threaded one end that is equipped with of the first oil pipe protective jacket and double tube matches, the second oil pipe is anti-
The internal thread one end that sets of sheath and double tube matches, so as to by the first oil pipe protective jacket and the second oil pipe protective jacket
The both ends of double tube are respectively connected to, while by the way that first shaft hole head protector and the second axis hole head protector are separately positioned on central siphon
Both ends, the first oil pipe protective jacket is fixed with first shaft hole head protector by threaded rod, by the second oil pipe protective jacket and second
Axis hole head protector is fixed, so that the first guard assembly and the second guard assembly are connected by double tube, and is held out against by central siphon, double
Oil pipe can be reliably fixed in central siphon inner hole, just be avoided that emergency brake bring is hidden safely in product shipping process
Suffer from, avoid double tube from opening protective device and cause damaged products, effectively raises the reliability of product protection.And the device
Structure is simple, and the closure at the both ends of central siphon both ends and double tube realizes sealing, ensure that the cleaning of central siphon inner cavity.
Further, Fig. 5 is a kind of structural schematic diagram of first shaft hole head protector provided in an embodiment of the present invention, such as Fig. 5
Shown, in conjunction with Fig. 3, by taking first shaft hole head protector 32 as an example, the flange 32b of first shaft hole head protector 32 is equipped with multiple screw holes
The axis of 32c, multiple screw hole 32c are parallel with the axis of central siphon 2.During the installation process, it can be screwed into screw rod in screw hole 32c,
First shaft hole head protector 32 is separated with central siphon 2 by tightening screw rod, is applied convenient for actual installation.
Preferably, screw hole 32c there are two being set on the flange 32b of first shaft hole head protector 32, and two screw hole 32c are symmetrically set
It sets, so that the taking-up of first shaft hole head protector 32 is more convenient.
Further, it is equipped on 32 outer wall of first shaft hole head protector in circle a groove 32d, groove 32d and is equipped with O-ring
34, the inner wall tight fit of O-ring 34 and central siphon 2 reliably seals the inner hole of central siphon 2.
It should be noted that first shaft hole head protector 32 is identical with the structure of the second axis hole head protector 42, the present invention is herein
It repeats no more.
Further, as shown in figure 4, the outer wall of the second oil pipe protective jacket 41 is equipped with a circle ring baffle 411, annular gear
The diameter of plate 411 is greater than the internal diameter of double tube 1, prevents the second oil pipe protective jacket 41 from screwing in inside double tube 1 in rotary course,
It is not easily taken out.
Further, the first oil pipe protective jacket 31 and the second oil pipe protective jacket 41 are made of carbon steel material.
It specifically, can be with after using the first oil pipe of carbon steel material machining protective jacket 31 and the second oil pipe protective jacket 41
Oxidation processes are carried out to the surface of the first oil pipe protective jacket 31 and the second oil pipe protective jacket 41, prevent 31 He of the first oil pipe protective jacket
Second oil pipe protective jacket 41 gets rusty.
Further, first shaft hole head protector 32 and the second axis hole head protector 42 are made of carbon steel material.
Specifically, first shaft hole head protector 32 and the second axis hole head protector 42 can using steel plate and steel-pipe welding and
At.By taking first shaft hole head protector 32 as an example, as shown in figure 3, the ontology 321 of first shaft hole head protector 32 can use steel pipe system
At the flange 32b on first shaft hole head protector 32 can be made of steel plate, and closed one end of first shaft hole head protector 32 can
To be sealed using steel plate, in specific process, integral structure can be formed by steel pipe together with steel-pipe welding,
Obtain first shaft hole head protector 32.
It also needs to carry out defect detecting test to first shaft hole head protector 32 and the second axis hole head protector 42 after having welded, to ensure the
One axis hole head protector 32 and the second axis hole head protector 42 be assembled on central siphon after leakproofness, then by first shaft hole head protector 32
Oxidation processes are carried out with the surface of the second axis hole head protector 42, first shaft hole head protector 32 and the second axis hole head protector can be prevented
42 get rusty.
Fig. 6 is a kind of method flow diagram of the means of defence of central siphon and double tube provided in an embodiment of the present invention, such as Fig. 6 institute
Show, which includes: using the protective device in above-described embodiment, the means of defence
Step 601, one end that the first oil pipe protective jacket is mounted on to double tube.
Wherein, the first oil pipe protection be set on double tube be equipped with externally threaded one end, and the first oil pipe protective jacket with
The threaded one end of double tube connects.
Step 602, the other end that the second oil pipe protective jacket is mounted on to double tube.
Wherein, what the protection of the second oil pipe was set on double tube sets internal thread one end, and the second oil pipe protective jacket with
The other end of double tube is threadedly coupled.
Step 603, one end that first shaft hole head protector is mounted on to central siphon.
Wherein, first shaft hole head protector and the protection of the first oil pipe are set on the same end, first shaft hole head protector and central siphon
One end pass through seam allowance position.
Step 604, by the first threaded rod pass through first shaft hole head protector on connection through-hole and the first oil pipe protective jacket on
Tapped through hole.
Specifically, the first oil pipe protective jacket is connect with first shaft hole head protector by threaded rod.
Step 605, the other end that the second axis hole head protector is mounted on to central siphon.
Wherein, the second axis hole head protector and the protection of the second oil pipe are set on the same end, the second axis hole head protector and central siphon
The other end pass through seam allowance position.
Step 606, by the second threaded rod pass through the second axis hole head protector on connection through-hole and the second oil pipe protective jacket on
Tapped through hole.
Specifically, the second oil pipe protective jacket is connect with the second axis hole head protector by threaded rod.
Step 607 tightens the first threaded rod and the second threaded rod, makes the block of the first threaded rod and the gear of the second threaded rod
Block clamps first shaft hole head protector and the second axis hole head protector.
Specifically, the first oil pipe protective jacket is connect with first shaft hole head protector by threaded rod.
It should be noted that the step 601 in above-mentioned steps can carry out simultaneously with step 602, step 603 and step 605
It can carry out simultaneously, step 604 can carry out simultaneously with step 606.
It can comprise the further steps of: before executing step 603 or step 605
O-ring is arranged in the groove of first shaft hole head protector and the second axis hole head protector, wherein first shaft hole is protected
Branch is equipped with a circle groove on the outer wall of cap and the second axis hole head protector, and O-ring is arranged in first shaft hole head protector and the second axis
Inner wall in the groove of hole head protector and with central siphon is fitted close, and is reliably sealed to the inner hole of central siphon.
Further, the means of defence further include:
Step 608 smears antirust oil outside central siphon.
By the film antirust oil outside central siphon, it can prevent central siphon from getting rusty.
Optionally, the means of defence further include:
Step 609 wraps up protective film outside central siphon and protective device, and more battens, more batten edges are tied up outside central siphon
The circumferential array of central siphon.
Fig. 7 is the structural schematic diagram that another central siphon and double tube provided in an embodiment of the present invention are equipped with protective device,
Fig. 8 is the structural schematic diagram of part A in Fig. 7, and as shown in Figure 7 and Figure 8, the outer film of central siphon 2 has one layer of antirust oil 71, central siphon 2 with
Protective device 5 is wrapped with protective film 70, and protective film 70 includes the oil sealing paper 72 set gradually outside central siphon, 73 He of aluminium plastic membrane
Rubber pad 74 has also tied up more battens 75 outside rubber pad 74.Wherein aluminium plastic membrane 73 can play sealing, moisture-proof work
With rubber pad 74 and batten 75 can play the role of buffering, and central siphon is prevented to be damaged.
Specifically, support frame can also be set outside central siphon 2, the branch of central siphon 2 is chosen according to the length of central siphon 2 and center of gravity
Support point is supported central siphon 2 using support frame at supporting point, and Fig. 9 is the section B-B figure of Fig. 7, as shown in figure 9, support frame
Including upper support frame 81 and lower bracing frame 82, it is equipped between 82 framves of upper support frame 81 and lower support and matches with the shape of central siphon 2
Groove, central siphon 2 is arranged in the groove, and upper support frame 81 and lower bracing frame 82 be by the fixation of bolt 83, so that central siphon 2 exists
Far from ground during transporting, humidity is prevented.
The embodiment of the present invention passes through setting the first guard assembly and the second guard assembly, wherein the first guard assembly includes
First oil pipe protective jacket, first shaft hole head protector and the first threaded rod, the second guard assembly include the second oil pipe protective jacket, second
Axis hole head protector and the second threaded rod, since the externally threaded one end that is equipped with of the first oil pipe protective jacket and double tube matches, the
The internal thread one end that sets of two oil pipe protective jackets and double tube matches, so as to which the first oil pipe protective jacket and second is oily
Tube protecting sleeve is respectively connected to the both ends of double tube, while by setting first shaft hole head protector and the second axis hole head protector respectively
It sets at the both ends of central siphon, is fixed the first oil pipe protective jacket with first shaft hole head protector by threaded rod, the second oil pipe is protected
Set is fixed with the second axis hole head protector, so that the first guard assembly and the second guard assembly are connected by double tube, and passes through axis
Tube top is tight, and double tube can be reliably fixed in central siphon inner hole, is just avoided that emergency brake is brought in product shipping process
Security risk, avoid double tube from opening protective device and cause damaged products, effectively raise product protection reliability.
And the apparatus structure is simple, the closure at the both ends of central siphon both ends and double tube realizes sealing, ensure that the cleaning of central siphon inner cavity.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. the protective device of a kind of central siphon and double tube, which is characterized in that the protective device includes the first guard assembly and the
Two guard assemblies;
First guard assembly includes the first oil pipe protective jacket, first shaft hole head protector and the first threaded rod, first oil
Tube protecting sleeve and the first shaft hole head protector are the cylindrical tube shape of another end opening closed at one end;The first oil pipe protection
Closed one end of set is provided with the tapped through hole coaxial with the first oil pipe protective jacket, the first oil pipe protective jacket it is interior
Wall is equipped with the internal screw thread to match with the external screw thread of one end of double tube;Closed one end of the first shaft hole head protector is set
It is equipped with the connection through-hole coaxial with the first shaft hole head protector, the internal diameter phase of the outer diameter and central siphon of the first shaft hole head protector
Together, the flange extended radially outward, one end of first threaded rod are provided on the outer wall of the first shaft hole head protector
It is provided with block, first threaded rod is for connecting the first oil pipe protective jacket and the first shaft hole head protector;
Second guard assembly includes the second oil pipe protective jacket, the second axis hole head protector and the second threaded rod, second oil
Tube protecting sleeve and the second axis hole head protector are the cylindrical tube shape of another end opening closed at one end;The second oil pipe protection
Closed one end of set is provided with the tapped through hole coaxial with the second oil pipe protective jacket, the second oil pipe protective jacket it is outer
Wall is equipped with the external screw thread to match with the internal screw thread of the other end of the double tube;The structure of the second axis hole head protector and institute
The structure for stating first shaft hole head protector is identical, and one end of second threaded rod is provided with block, and second threaded rod is used for
Connect the second oil pipe protective jacket and the second axis hole head protector;
It is provided with annular groove on the outer wall of at least one of the first shaft hole head protector and the second axis hole head protector,
O-ring is equipped in the annular groove.
2. protective device according to claim 1, which is characterized in that the first shaft hole head protector and second axis hole
The flange of at least one of head protector is equipped with multiple screw holes.
3. protective device according to claim 2, which is characterized in that the first shaft hole head protector and second axis hole
Screw hole there are two being set on the flange of at least one of head protector, and described two screw holes are along circumferentially-spaced 180 ° of the flange
Setting.
4. protective device according to claim 1, which is characterized in that the outer wall of the second oil pipe protective jacket is equipped with edge
The ring baffle to extend radially outwardly.
5. protective device according to any one of claims 1 to 4, which is characterized in that the first oil pipe protective jacket and institute
The second oil pipe protective jacket is stated to be made of carbon steel material.
6. protective device according to any one of claims 1 to 4, which is characterized in that the first shaft hole head protector and institute
The second axis hole head protector is stated to be made of carbon steel material.
7. the means of defence of a kind of central siphon and double tube, which is characterized in that the means of defence is using any one of claim 1-6
The protective device, the means of defence include:
The first oil pipe protective jacket is mounted on to one end of the double tube;
The second oil pipe protective jacket is mounted on to the other end of the double tube;
The first shaft hole head protector is mounted on to one end of the central siphon;
First threaded rod is passed through on the connection through-hole and the first oil pipe protective jacket on the first shaft hole head protector
Tapped through hole;
The second axis hole head protector is mounted on to the other end of the central siphon;
Second threaded rod is passed through on the connection through-hole and the second oil pipe protective jacket on the second axis hole head protector
Tapped through hole;
First threaded rod and second threaded rod are tightened, the block and second threaded rod of first threaded rod are made
Block clamp the first shaft hole head protector and the second axis hole head protector.
8. means of defence according to claim 7, which is characterized in that the means of defence further includes, outside the central siphon
Smear antirust oil.
9. means of defence according to claim 7, which is characterized in that the means of defence further include:
Protective film is wrapped up outside the central siphon and the protective device;
More battens, circumferential array of the more battens along the central siphon are tied up outside the central siphon.
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CN109178270A (en) * | 2018-07-28 | 2019-01-11 | 武汉船用机械有限责任公司 | A kind of support device and method of the oil pipe of tuning for Controllable Pitch Propeller |
CN109278935A (en) * | 2018-08-28 | 2019-01-29 | 武汉船用机械有限责任公司 | A kind of Mobile tool for roll adjustment paddle shaft inner oil tube |
CN111977171B (en) * | 2020-07-20 | 2022-09-13 | 上海空间推进研究所 | Spherical screwed joint component protection device of spacecraft |
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EP0994287A1 (en) * | 1998-10-16 | 2000-04-19 | Artech Rubber B.V. | Composite sleeve-shaped sealing means |
CN203006128U (en) * | 2012-12-31 | 2013-06-19 | 安阳钢铁股份有限公司 | Fixing device for sleeved installation of nodular cast iron pipe |
CN104495060A (en) * | 2014-12-05 | 2015-04-08 | 河北新兴铸管有限公司 | Fixing method for transporting ductile iron pipes in sleeving way |
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