CN111776883A

CN111776883A - Even physiosis axle of atress

Info

Publication number: CN111776883A
Application number: CN202010670499.2A
Authority: CN
Inventors: 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-16

Abstract

The invention relates to the field of inflatable shaft equipment, and discloses an inflatable shaft with uniform stress, which comprises an inflatable pipe, wherein a plurality of groups of key grooves which are arranged at equal intervals are formed in the outer side of the inflatable pipe, the number of each group of key grooves is two, the two key grooves are respectively positioned on two sides of the inflatable pipe, a key strip is movably sleeved in each key groove, each key groove is communicated with the inner cavity of the inflatable pipe, a positioning plate positioned on one side of each group of key grooves is arranged in the inflatable pipe, metal corrugated pipes are fixedly connected to each side face, and each metal corrugated pipe is filled with gas. Through the structural design of a plurality of corrugated metal pipes, the initiative piston, the locating plate of matching the key strip in the expand tube, through one side injection gas of expand tube for a plurality of locating tubes that distribute on the expand tube are even to external part application of force, have avoided appearing the uneven phenomenon that skids of locating tube atress in the current physiosis axle easily, and then have improved the stability of physiosis axle during operation.

Description

Even physiosis axle of atress

Technical Field

The invention relates to the field of inflatable shaft equipment, in particular to an inflatable shaft with uniform stress.

Background

The inflatable shaft is a special winding and unwinding shaft, namely after high-pressure inflation, an air bag in the inflatable shaft is expanded, a support shaft is enabled to support a plurality of key strip bulges, parts sleeved outside the inflatable shaft are locked and sleeved, the inflatable shaft is suitable for mechanically winding objects with heavier bearing capacity, the shaft which is deflated to the rear surface and retracts rapidly is called the inflatable shaft, the inflatable shaft is wide in application range, and the inflatable shaft is suitable for machines for winding, unwinding and slitting.

However, carry out supporting role through the protruding supporting role that is located the inside rubber air bag of bloated axle during current physiosis axle, this makes, at every turn during operation, gaseous immersion needs the whole body of way, consequently, the lift supporting shoe then can appear one side at first atress, then whole atress process gradually, the keybar atress that leads to bloated axle both sides is inhomogeneous easily, the support keybar inclines easily, it is not enough to lead to locking degree, the phenomenon that skids appears, and, it is long that filling gas is full of whole gasbag required time, the energy consumption is all great, long-term use cost is higher.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the air inflation shaft with uniform stress, which has the advantages of uniform stress of each key strip, short air inflation time and low energy consumption, and solves the problems in the background technology.

The invention provides the following technical scheme: an inflatable shaft with uniform stress comprises an expansion pipe, wherein a plurality of groups of key grooves which are arranged at equal intervals are arranged on the outer side of the expansion pipe, the number of the key grooves in each group is two, the two key grooves are respectively positioned on two sides of the expansion pipe, each key groove is internally and movably sleeved with a key strip, each key groove is communicated with an inner cavity of the expansion pipe, a positioning plate positioned on one side of each group of key grooves is arranged inside the expansion pipe, each side surface is fixedly connected with a metal corrugated pipe, each metal corrugated pipe is internally and fully filled with gas, one end of each metal corrugated pipe is fixedly connected with an active piston, the active piston is movably sleeved with the inner wall of the expansion pipe and is always positioned between the two groups of key grooves, the outer edge of the active piston on the outermost side in the expansion pipe is attached to the inner wall of the expansion pipe, and the outer edge of the side surface of each active piston is fixedly connected with, every one side that metal bellows was kept away from to the locating plate is fixedly connected with location siphunculus respectively, and the inner chamber of location siphunculus communicates with each other with metal bellows's inner chamber, the one end switch-on of location siphunculus has two locating tubes, two the equal movable sleeve in inside of locating tube is equipped with passive piston, two the top of passive piston is fixedly connected with universal driving shaft respectively, two the top of universal driving shaft respectively with the middle part fixed connection of two key strips in a set of keyway.

Preferably, the one end fixedly connected with that the locating plate was kept away from to the location siphunculus is located the linkage block under the keyway, three logical grooves have been seted up to the inside of linkage block, and the inside in three logical groove communicates with each other with the inside of location siphunculus, the top and the bottom of linkage block cup joint with two locating tube screw respectively, and the three logical grooves in the linkage block all communicate with each other with the inner chamber of two locating tubes.

Preferably, the middle part of the key strip is provided with a groove facing the inside of the expansion pipe, the inner wall of the groove is movably sleeved with the outer side of the positioning pipe, and the linkage shaft is fixedly sleeved with a return spring positioned between the driven piston and the inner wall of the positioning pipe.

Preferably, the outside of locating plate is seted up logical groove, and leads to the groove and cup joints with the gangbar activity, and the diameter that leads to the groove is greater than the diameter of gangbar.

The invention has the following beneficial effects:

1. this even physiosis axle of atress, a plurality of corrugated metal pipes through the matching key strip in the expand tube, the initiative piston, the structural design of locating plate, a side injection gas through the expand tube, make the initiative piston in the expand tube move to the left simultaneously, the left side of every initiative piston moves the cooperation locating plate compression corrugated metal pipe, with the outside of each key strip ejecting expand tube simultaneously, thereby the outside part of locking expand tube, every corrugated metal pipe compressed air volume is the same, make every locating tube delay department degree the same, thereby it is even to outside part application of force to make a plurality of locating tubes that distribute on the expand tube, the phenomenon that the uneven and skid of locating tube atress appears in having avoided current physiosis axle easily, and then the stability of physiosis axle during operation has been improved.

2, the metal corrugated pipes are simultaneously compressed by the air pressure injected from one side of the expansion pipe, the existing air expansion shaft is cancelled to directly fill the air bag, and then the positioning pipe is ejected out by the air bag, so that the positioning pipe locks an external part structure, the inflation time and the inflation energy consumption are saved, and the working efficiency is improved; in addition, the problem that the existing rubber air bag is easily abraded due to direct contact with the key strips is avoided, and the service life of the inflatable shaft is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top cut-away view of the tube expansion structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a cutaway schematic view of the linkage block structure of FIG. 1 in accordance with the present invention;

fig. 4 is a sectional view of the structural spline of fig. 3 of the present invention.

In the figure: 1. expanding the tube; 101. a keyway; 102. positioning a plate; 103. a metal bellows; 2. a key bar; 3. an active piston; 4. a linkage rod; 5. positioning a through pipe; 501. a linkage block; 502. three through grooves; 6. a positioning tube; 7. a passive piston; 8. a linkage shaft.

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. 1-4, an inflatable shaft with uniform stress comprises an inflatable tube 1, a plurality of groups of key grooves 101 arranged at equal intervals are arranged on the outer side of the inflatable tube 1, the number of each group of key grooves 101 is two, the two key grooves 101 are respectively arranged on two sides of the inflatable tube 1, a key bar 2 is movably sleeved in each key groove 101, each key groove 101 is communicated with the inner cavity of the inflatable tube 1, a positioning plate 102 positioned on one side of each group of key grooves 101 is arranged in the inflatable tube 1, a metal corrugated tube 103 is fixedly connected to the side surface of each positioning plate 102, gas is filled in each metal corrugated tube 103, one end of each metal corrugated tube 103 is fixedly connected with a driving piston 3, the driving piston 3 is movably sleeved with the inner wall of the inflatable tube 1, the driving piston 3 is always positioned between the two groups of key grooves 101, the outer edge of the outermost driving piston 3 in the inflatable tube 1 is attached to the inner wall of the inflatable tube 1, two symmetrical linkage rods 4 are fixedly connected to the outer edge of, one side of each positioning plate 102, which is far away from the metal corrugated pipe 103, is fixedly connected with a positioning through pipe 5, the inner cavity of the positioning through pipe 5 is communicated with the inner cavity of the metal corrugated pipe 103, one end of the positioning through pipe 5 is communicated with two positioning pipes 6, the insides of the two positioning pipes 6 are movably sleeved with passive pistons 7, the tops of the two passive pistons 7 are fixedly connected with a linkage shaft 8 respectively, the top ends of the two linkage shafts 8 are fixedly connected with the middle parts of the two key bars 2 in a group of key grooves 101 respectively, when in use, gas is injected through one side of the expansion pipe 1, so that the driving piston 3 moves towards the left side, the driving piston 3 in the expansion pipe 1 simultaneously moves to the left side by the transmission of the linkage rod 4, the left movement of each driving piston 3 is matched with the positioning plate 102 to compress the metal corrugated pipe 103, so that the gas in the metal corrugated pipe 103 is compressed into the, thereby enabling the keybars 2 to move out of the outer part of the expansion tube 1, thereby locking the parts outside the expansion tube 1, each metal corrugated tube 103 compresses the same amount of air, each positioning tube 6 delays to the same extent, thereby ensuring that the force applied to external parts by the plurality of positioning pipes 6 distributed on the expansion pipe 1 is uniform, avoiding the phenomenon that the positioning pipes 6 are easy to slip due to uneven stress in the existing air expansion shaft, thereby improving the stability of the inflatable shaft during working, simultaneously compressing a plurality of metal corrugated pipes 103 by the injected air pressure, canceling the prior mode that the inflatable shaft is directly filled with an air bag and then the positioning pipe 6 is ejected out by the air bag, locking an external part structure by the positioning pipe 6, therefore, the inflation time and the inflation energy consumption are saved, the working efficiency is improved, the problem that the conventional rubber air bag and the key strip are abraded is solved, and the service life of the inflatable shaft is prolonged.

Wherein, the one end fixedly connected with that location siphunculus 5 is kept away from locating plate 102 is located linkage piece 501 under keyway 101, three through grooves 502 have been seted up to linkage piece 501's inside, and the inside of three through grooves 502 communicates with each other with the inside of location siphunculus 5, the top and the bottom of linkage piece 501 respectively with two registration arms 6 threaded socket, and three through grooves 502 in linkage piece 501 all communicate with each other with the inner chamber of two registration arms 6, be convenient for separate registration arm 6 and linkage piece 501, thereby convenient to detach, simultaneously, through three through grooves 502, location siphunculus 5 intercommunication metal bellows 103 and registration arm 6, so that when metal bellows 103 compresses, gaseous ejecting passive piston 7 shifts up, make universal driving shaft 8 drive registration arm 6 remove and extend outside expand tube 1, thereby lock the part of expand tube 1 outside.

Wherein, the recess towards 1 inside of expand tube is seted up at the middle part of key strip 2, and the inner wall of recess cup joints with the outside activity of registration arm 6, fixed cover is equipped with the reset spring who is located between passive piston 7 and the 6 inner walls of registration arm on the universal driving shaft 8, after work, through the atmospheric pressure of cancelling 1 inside one side of expand tube, under reset spring's elastic force effect, key strip 2 resets and removes to the keyway 101 in, so that carry out next air feed work, and, effectual improvement key strip 2 shifts out the distance of expand tube 1, thereby be convenient for lock not unidimensional part.

Wherein, the outside of locating plate 102 has seted up logical groove, and logical groove and gangbar 4 activity cup joint, and the diameter that leads to the groove is greater than the diameter of gangbar 4 for locating plate 102 does not influence the removal of gangbar 4, and when being convenient for simultaneously the initiative piston 3 compression metal bellows 103 removed, the both sides of locating plate 102 were ventilated, and the atmospheric pressure of avoiding between locating plate 102 and the initiative piston 3 hinders the removal of initiative piston 3.

During the use, will need the part (like circular paper tube) of processing to embolia on the expand tube 1, then from one side injection gas of expand tube 1 and carry out the pressure boost, make the initiative piston 3 in the outside move left, simultaneously, under the connection of gangbar 4, make subsequent initiative piston 3 all move left simultaneously and compress metal bellows 103, the atmospheric pressure in every metal bellows 103 withstands passive piston 7 drive the outside that the bonding bar 2 moved out expand tube 1 in every group locating tube 6, thereby lock outside part, after the work is finished, withdraw the atmospheric pressure of expand tube 1 inboard, under reset spring's elasticity effect, bonding bar 2 moves to in the bonding bar 2, metal bellows 103 and initiative piston 3 move right under the atmospheric pressure effect and reset simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a atress is even physiosis axle, includes expand tube (1), its characterized in that: the outer side of the expanding tube (1) is provided with a plurality of groups of key grooves (101) which are arranged at equal intervals, each group of key grooves (101) is two, the key grooves (101) are respectively positioned at two sides of the expanding tube (1), each key groove (101) is internally and movably sleeved with a key strip (2), each key groove (101) is communicated with an inner cavity of the expanding tube (1), a positioning plate (102) positioned at one side of each group of key grooves (101) is arranged inside the expanding tube (1), the side surface of each key groove (102) is fixedly connected with a metal corrugated tube (103), each metal corrugated tube (103) is internally and fully filled with gas, one end of each metal corrugated tube (103) is fixedly connected with an active piston (3), the active piston (3) is movably sleeved with the inner wall of the expanding tube (1), and the active piston (3) is always positioned between the two groups of key grooves (101), outer edge of the initiative piston (3) in the outside in expand tube (1) is laminated with the inner wall of expand tube (1), every outer edge of initiative piston (3) side is along gangbar (4) of two symmetries of equal fixedly connected with, every one side difference fixedly connected with location siphunculus (5) of corrugated metal pipe (103) are kept away from in locating plate (102), and the inner chamber of just fixing a position siphunculus (5) communicates with each other with the inner chamber of corrugated metal pipe (103), the one end switch-on of location siphunculus (5) has two registration arms (6), two the equal movable sleeve in inside of registration arm (6) is equipped with passive piston (7), two fixedly connected with universal driving shaft (8) respectively at the top of passive piston (7), two the top of universal driving shaft (8) respectively with the middle part fixed connection of two key strips (2) in a set of keyway (101).

2. A uniformly forced air shaft as set forth in claim 1, wherein: one end fixedly connected with that locating plate (102) are kept away from in location siphunculus (5) is located linkage block (501) under keyway (101), three logical groove (502) have been seted up to the inside of linkage block (501), and the inside of three logical groove (502) communicates with each other with the inside of location siphunculus (5), the top and the bottom of linkage block (501) cup joint with two registration arm (6) screw respectively, and three logical groove (502) in linkage block (501) all communicate with each other with the inner chamber of two registration arm (6).

3. A uniformly forced air shaft as set forth in claim 1, wherein: the middle part of the key bar (2) is provided with a groove facing the inside of the expansion tube (1), the inner wall of the groove is movably sleeved with the outer side of the positioning tube (6), and the universal driving shaft (8) is fixedly sleeved with a return spring positioned between the driven piston (7) and the inner wall of the positioning tube (6).

4. A uniformly forced air shaft as set forth in claim 1, wherein: a through groove is formed in the outer side of the positioning plate (102), the through groove is movably sleeved with the linkage rod (4), and the diameter of the through groove is larger than that of the linkage rod (4).