CN202914584U - Rapid installation type backstop machine - Google Patents
Rapid installation type backstop machine Download PDFInfo
- Publication number
- CN202914584U CN202914584U CN 201220591569 CN201220591569U CN202914584U CN 202914584 U CN202914584 U CN 202914584U CN 201220591569 CN201220591569 CN 201220591569 CN 201220591569 U CN201220591569 U CN 201220591569U CN 202914584 U CN202914584 U CN 202914584U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- rotating shaft
- expansion set
- return device
- ready
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model provides a rapid installation type backstop machine. According to the rapid installation type backstop machine, a taper-lock is additionally arranged between an inner sleeve and a rotating shaft of the backstop machine, and fixing connection of the inner sleeve and the rotating shaft is achieved through taper-lock connection. Specifically, when the backstop machine is installed, the rotating shaft is inserted into the inner sleeve, then the taper-lock is inserted into a gap between the inner sleeve and the rotating shaft through the tail end of the rotating shaft, and a baffle is arranged at the tail end of the rotating shaft to be abutted against the taper-lock. During the period, due to the fact that the aperture of the inner sleeve is much larger than the diameter of the rotating shaft, locating of the inner sleeve and the rotating shaft is convenient, the taper-lock is only needed to be inserted into the gap between the inner sleeve and the rotating shaft, the baffle is abutted against the taper-lock, and then installation of the backstop machine is achieved. When the backstop machine is dismantled, the baffle is only needed to be removed and the taper-lock is taken out. Compared with a key joint between a rotating shaft and an inner sleeve in the prior art, the rapid installation type backstop machine is fast in installation, convenient to install, installation efficiency of the backstop machine is improved, and meanwhile labor force is saved.
Description
Technical field
The utility model relates to mechanical field, particularly relates to a kind of ready-package non-return device.
Background technique
In mechanical transmission fields, for the requirement on safety or the function, the machine such as, handling machinery supporting such as speed reducer, Belt Conveyors, lift, motorized pulleys and device all can dispose non-return device, thereby satisfy the requirement that only allows single direction rotation.
Non-return device is a kind of check or braking device of setting up in order to prevent machine generation reversing or smooth phenomenon.With reference to illustrated in figures 1 and 2, non-return device is generally by forming such as the converse stopping mechanisms such as deformed wedge, roll assembly 3 between inner sleeve 1, overcoat 2 and the inner-outer sleeve.During use, described overcoat 2 transfixions, and described inner sleeve 1 is fixedly connected with the rotating shaft 4 of external mechanical, and in company with rotating shaft 4 collaborative rotations, converse stopping mechanism 3 adopts special one-way rotation mechanism, and it can be guaranteed between the inside and outside cover along forward relatively transmission of rotary shaft of machine, if but backward rotation when occuring in the rotating shaft 4 of machine, converse stopping mechanism 3 just can hinder the relative transmission of inside and outside inner room, to stop rotating shaft 4 reversing drive of machine, reaches the check purpose.And existing non-return device generally adopts " key " to connect to guarantee that inner sleeve 1 and rotating shaft 4 high strength connect.Concrete being included in the rotating shaft 4 axially arranges one " keyway " along it, and offer corresponding " keyway " at inner sleeve 1 inwall, during installation, and with in the rotating shaft 4 insertion inner sleeves 1, and " keyway " of rotating shaft 4 is corresponding with " keyway " position of inner sleeve 1, and assign " key " 5 to guarantee when rotating shaft 4 backward rotation, can produce enough large torsion between inner sleeve 1 and the overcoat 2 to stop rotating shaft 4 to continue counterrotatings.
And along with now large industrialization development, rotary shaft of machine torsion requires also to increase all the more.In order to reach the torsion demand of check purpose, for the also constantly increase of requirement of non-return device.All provide different non-return device so that larger torsion to be provided such as the Chinese patent of China Patent Publication No. CN201053457Y, CN2823661Y, satisfied the reverse resistance requirement that non-return device will provide in the machine using process.In the design of non-return device, its volume is directly proportional with the torsion of generation, increase along with non-return device torsion, the volume of non-return device also constantly increases, large-sized non-return device height reaches several meters, and weight can reach several tons, thereby non-return device (this installation process comprises the rotating shaft contraposition of non-return device inner sleeve and external mechanical when installing, " keyway " and " keyway " of inner sleeve interior insert " key " to rotating shaft, promote afterwards non-return device moves axially to finish non-return device along rotary shaft of machine installation, " key " connecting structure by insert in " keyway " " key " and little gap or transition fit), its complex installation process, and need a large amount of manpower of cost and cooperate large-scale support mechanism to finish, consuming time and consumption power.
The model utility content
The purpose of this utility model is for existing non-return device volume large, and the process of rotating shaft that is installed on external mechanical is loaded down with trivial details, and the defectives such as operating difficulties provide a kind of ready-package non-return device, thereby so that the installation process of non-return device is more convenient.
Ready-package non-return device provided by the utility model comprises that the converse stopping mechanism of inner sleeve, overcoat and inner sleeve and outer inner room, described inner sleeve are nested in the outside rotating shaft, wherein,
Described ready-package non-return device also comprises the expansion set that is clamped between described inner sleeve and the rotating shaft; Described expansion set comprises the barrel portion of the hollow of both ends open, and the outer surface that consists of the sidewall of described barrel portion fits in the inwall of described inner sleeve, and internal surface fits in the surface of described rotating shaft;
The end that is positioned at described rotating shaft is equipped with baffle plate; Described baffle plate is axial perpendicular to described rotating shaft, and props up described expansion set.
Alternatively, described expansion set is addendum cone shape, and the inwall of described inner sleeve and described expansion set structure are complementary.
Alternatively, described expansion set comprises that also to be arranged at described barrel portion terminal, and along the annular fixed plate of described expansion set radial protrusion, described baffle plate props up described annular fixed plate.
Alternatively, the end at the inwall of described inner sleeve offers the annular groove that matches with described annular fixed plate structure.
Alternatively, described annular fixed plate is fixedly connected with described inner sleeve by bolt.
Alternatively, described expansion set length vertically is less than the length vertically of described inner sleeve.
Alternatively, the inwall of described inner sleeve comprises adjacent conical section and cylindrical section vertically; Described expansion set is positioned at described conical section; And described conical section smaller opening end and described cylindrical section offset, and the smaller opening of described conical section is greater than the opening of described cylindrical section.
Alternatively, described expansion set comprises along described expansion set axially to be offered, and runs through the groove of described expansion set two ends and sidewall.
Alternatively, described inner sleeve offers the keyway that the groove structure with described expansion set is complementary vertically.
Alternatively, the keyway degree of depth offered of described inner sleeve is less than the thickness of described sidewall of the inside race.
Compared with prior art, the utlity model has following advantage:
The utility model ready-package non-return device, set up expansion set by inner sleeve and outside rotating shaft at non-return device, connect being fixedly connected with of the outside rotating shaft of realization and inner sleeve with expansion set, particularly when mounted, first the rotating shaft of outside is inserted in the inner sleeve, end by outside rotating shaft inserts expansion set to the space between inner sleeve and outside rotating shaft again, and props up expansion set at the end installation baffle plate of described outside rotating shaft.Be far longer than during this time the diameter of outside rotating shaft because of the bore of described inner sleeve, be convenient to inner sleeve and outside rotating shaft location, and only need afterwards to the insertion of the space between inner sleeve and outside rotating shaft expansion set, and withstand expansion set with baffle plate, just finished the non-return device installation.And when dismounting only needs baffle plate removed and takes out expansion set and just can." key connecting " of relatively existing rotating shaft and interior inner room, the installation of non-return device is quick and convenient, when improving the non-return device installation efficiency, has saved the labour force.
In the possibility, described expansion set go addendum cone shape structure, the groove of offering on the expansion set and the setting of annular fixed plate reinforcing expansion set and inner sleeve join strength simultaneously, can further improve the convenient degree of installation of expansion set.
Description of drawings
Fig. 1 is the schematic representation of the linkage structure of existing a kind of non-return device and rotating shaft;
Fig. 2 is the internal structure schematic representation of the linkage structure of non-return device and rotating shaft among Fig. 1;
Fig. 3 is the utility model ready-package non-return device embodiment 1 structural representation;
Fig. 4 is the sectional drawing of the ready-package non-return device among Fig. 3;
Fig. 5 is the utility model ready-package non-return device embodiment 2 structural representation;
Fig. 6 is the utility model ready-package non-return device embodiment 3 structural representation;
Fig. 7 is that ready-package non-return device among Fig. 6 is along the sectional drawing of A-A;
Fig. 8 is the utility model ready-package non-return device embodiment 4 structural representation.
Embodiment
Described as background information, " keyway " that existing non-return device generally is complementary by offer " keyway " structure with the rotating shaft of external mechanical in inner sleeve, and in " keyway " of inner sleeve and rotating shaft, assign " key ", realize that with " key " connecting structure both are fixedly connected with.This " key " connecting structure is externally during the rotating shaft counterrotating, can provide enough large torsion to stop rotating shaft to continue counterrotating.Yet the process in non-return device installation and removal is comparatively loaded down with trivial details, during especially for the installation and removal of required now large-scale non-return device, needs especially to cooperate large-scale support mechanism, expends a large amount of time and labors.
In order to solve the complicated processes of existing non-return device installation and removal, the utility model provides a kind of ready-package non-return device.It sets up expansion set between the inner sleeve of non-return device and outside rotating shaft, the inner and outer wall of described expansion set is close to the inwall of described outside rotating shaft and inner sleeve respectively, and described expansion set is embedded between inner sleeve and the rotating shaft, thereby inner sleeve is fixedly connected with rotating shaft.Experiment showed, that the frictional force of expansion set and interior inner room in use is enough to the moment that provides enough, realizes being fixedly connected with of outside rotating shaft and inner sleeve, and is stoped the counterrotating of outside rotating shaft by converse stopping mechanism.When described ready-package non-return device is installed, described outside rotating shaft inserted in inner sleeve after, in the gap between inner sleeve and outside rotating shaft, insert described expansion set by outside rotating shaft end again, realize being fixedly connected with of described inner sleeve and outside rotating shaft; And when dismounting only needs described expansion set just can to realize the dismounting of inner sleeve and outside rotating shaft by extracting described expansion set between inner sleeve and rotating shaft, and whole installation and removal process is simple and easy, has greatly improved the installation and removal efficient of non-return device.
Below in conjunction with accompanying drawing, by specific embodiment, the technical solution of the utility model is carried out clear, complete description, obviously, described embodiment only is the part of embodiment of the present utility model, rather than they are whole.According to these embodiments, those of ordinary skill in the art belongs to protection domain of the present utility model need not obtainable all other mode of executions under the prerequisite of creative work.
Combination is with reference to figure 3 and shown in Figure 4 particularly.Described ready-package non-return device comprises that inner sleeve 20(is as shown in Figure 4), the converse stopping mechanism (not shown) of overcoat (among the figure mark) and inner sleeve 20 and outer inner room.Described inner sleeve 20 is nested in outside rotating shaft 50(as shown in Figure 4) on, and and be fixedly connected with described rotating shaft 50 by the expansion set 30 between described inner sleeve 20 and the rotating shaft 50.During use, described overcoat transfixion, described converse stopping mechanism can guarantee that described rotating shaft 50 drives described inner sleeve 20 and forward rotates with respect to overcoat, and when described rotating shaft 50 counterrotating, the specific structure setting of described converse stopping mechanism can effectively stop 20 relative counterrotatings of described jacket and inner sleeve, thereby stops described rotating shaft 50 situation of counter-rotating to occur.The linkage structure of described converse stopping mechanism and overcoat, interior inner room can be the conventional structure of existing non-return device, and the working principle of converse stopping mechanism also is those skilled in the art and knows technology, does not repeat them here.
With reference to shown in Figure 4, in the present embodiment ready-package non-return device, the inwall of described inner sleeve 20 forms the opening diameter in space greater than the diameter of described rotating shaft 50, described expansion set 30 comprises the barrel portion 31 of the hollow of both ends open, the outer surface that consists of the sidewall of described barrel portion 31 fits in the inwall of described inner sleeve 20, the internal surface of described barrel portion 31 sidewalls fits in described rotating shaft 50, so that described expansion set 30 is embedded between inner sleeve 20 and the rotating shaft 50 securely, thereby utilize the frictional force between described expansion set 30 and described inner sleeve 20 and the rotating shaft 50 that inwall and rotating shaft 50 tight bindings of described inner sleeve 20 are one.When described rotating shaft 50 rotation, the frictional force between described expansion set 30 and described inner sleeve 20 and the rotating shaft 50 can axially produce around described rotating shaft 50 and keep described expansion set 30, inner sleeve 20 and 50 all-in-one-piece torsion of rotating shaft.
The preferred employing of the barrel portion 31 of described expansion set 30 gone addendum cone shape, and for convenience of description, the described barrel portion 31 less ends of sectional area perpendicular to axial direction are called the top and the other end is called end.The inwall of described inner sleeve 20 and described barrel portion 31 structures are complementary, the space that described inner sleeve 20 inwalls form is addendum cone shape equally, and stretch into described inner sleeve 20 directions along described rotating shaft 50, the interior wall opening of described inner sleeve 20 increases successively, and the less opening end bore of described inner sleeve 20 is greater than the diameter of described rotating shaft 50.During installation, first described rotating shaft 50 is stretched into by described inner sleeve 20 less opening ends, in view of the inwall of described inner sleeve 20 forms the opening diameter in space greater than the diameter of described rotating shaft 50, between described inner sleeve 20 and rotating shaft 50, form the gap, afterwards by the end of described rotating shaft 50, the barrel portion 31 of described expansion set 30 is risen in the gap that inserts in described inner sleeve 20 and rotating shaft 50 by a less end, thereby be enclosed within the described rotating shaft 50.
Please in conjunction with shown in Figure 3, on the sidewall of described expansion set 30, offer vertically the groove 33 that runs through described expansion set 30 two ends and sidewall.The described expansion set 30 preferred metallic material that adopt are made, and metal has preferably ductility, thereby the two ends of described expansion set 30 grooves keep the distance of certain surplus.During installation, when described expansion set 30 inserting described inner sleeve 20 and compressed based on inner sleeve 20 inwalls after, radially keep certain contraction leeway along its opening, it is tightr to cause described expansion set 30 and inner sleeve 20 and rotating shaft 50 to be fitted, thereby reinforces three's join strength.
Alternatively, described expansion set 30 equals described inner sleeve 20 length vertically along the axial length, and the external diameter on described expansion set 30 tops can be equal to or greater than described inner sleeve 30 smaller opening bores, insert the gap of 50 of described inner sleeves 20 and rotating shafts when described expansion set 30, the top of the barrel portion 31 of described expansion set 30 is between the gap of described rotating shaft 50 and inner sleeve 20, and the end of described expansion set 30 aligns with described inner sleeve 20 1 end openings.And one baffle plate 40 is set to withstand described expansion set 30 distal end faces at described expansion set 30 ends, reinforce described expansion set 30 and described inner sleeve 20 and rotating shaft 50 join strengths, when effectively avoiding described rotating shaft 50 to rotate, cause described expansion set 30 and inner sleeve 20 mobile vertically based on centrifugal component of force.Particularly, described baffle plate 40 axially can be arranged perpendicular to described rotating shaft 50, and described baffle plate 40 areas greater than the end openings area of described expansion set 30 sealing described expansion set 30 openings fully, and be fixed in the distal end faces of rotating shaft 50 by structures such as bolts.Said structure is strengthened expansion set 30 and inner sleeve 20 and rotating shaft 50 adjacent frictional force between the two so that after the non-return device installation, expansion set 30 can be clogged space between the two fully, reinforces three's join strength.During use, based on the frictional force between described expansion set 30 and described inner sleeve 20 and the rotating shaft 50, described rotating shaft 50 can drive the together forward rotation of described expansion set 30, inner sleeve 20 and baffle plate 40; And when backward rotation appearred in described rotating shaft 50, the converse stopping mechanism that described jacket and inner sleeve is 20 stoped described inner sleeve 20 counterrotatings, and based on the frictional force between described expansion set 30 and described inner sleeve 20 and the rotating shaft 50, had stoped simultaneously the counterrotating of rotating shaft 50.And in rotary course forward, described baffle plate 40 axially withstands described expansion set 30 along described rotating shaft 50, avoid expansion set 30 mobile vertically, has reinforced being fixedly connected with of 20 of expansion set 30, rotating shaft 50 and inner sleeves.
Described expansion set 30 also comprises and is arranged at described barrel portion 31 ends (with a terminal corresponding end of described rotating shaft 50), and along the annular fixed plate 32 of described expansion set 30 radial protrusions.After the installation, described expansion set 30 is embedded between the inwall and rotating shaft 50 of described inner sleeve 20, and described annular fixed plate 32 is held between described baffle plate 40 and the inner sleeve 20, and this structure has increased the area of contact of baffle plate 40 and expansion set 30.Preferably, end at the inwall of described inner sleeve 20 offers the annular groove 23 that matches with described annular fixed plate 32 structures, so that after described expansion set 30 installations, its annular fixed plate 32 falls in the described annular groove 23, thereby described expansion set 30 is embedded in the described inner sleeve 20 fully, the stress balance of non-return device integral body when being beneficial to the described rotating shaft 50 described inner sleeves 20 of drive and expansion set 30 rotation.Described annular fixed plate 32 can be fixedly connected with described inner sleeve 20 by bolt 60, and it is axial that described bolt 60 is parallel to described rotating shaft.Described rotating shaft 50 drives in described inner sleeve 20 and expansion set 50 rotary courses, it mainly produces around the axial torsion of described rotating shaft 50, thereby the frictional force of 20 of described expansion set 30 and described rotating shaft 50 and inner sleeves is axial perpendicular to described rotating shaft 50, and described bolt 60 can be strengthened the join strength of 20 of expansion set 30 and inner sleeves.
In conjunction with reference to figure 3 and shown in Figure 5, the technological scheme of the technological scheme of the ready-package non-return device of present embodiment and embodiment 1 ready-package non-return device is roughly the same, and the inner sleeve 20 of non-return device is fixedly connected with by an expansion set 30 that is embedded in 50 of inner sleeve 20 and outside rotating shafts.During use, transmit rotating shaft 50 by the frictional force of 50 of described expansion set 30, inner sleeve 20 and rotating shafts and drive the forward torsion of transmission of described expansion set 30, inner sleeve 20, and when counter-rotating appears in described rotating shaft 50, transmit the torsion by described rotating shaft 50 counter-rotatings of obstruction of the generation of the converse stopping mechanism between the jacket and inner sleeve 20.Described expansion set 30 preferred employings are gone addendum cone shape, install thereby be convenient to non-return device.Itself and embodiment's 1 difference is, described expansion set 30 is along the axial length less than the length vertically of described inner sleeve 20.And corresponding, the inwall of described inner sleeve 20 comprises adjacent conical section 22 and cylindrical section 21 vertically, described conical section 22 smaller opening ends and described cylindrical section 21 offset, the smaller opening of described conical section 22 is greater than the opening of described cylindrical section 21, the structure of described cylindrical section 21 and described rotating shaft 50 structures match, and described conical section 22 structures and described expansion set 30 structures are complementary, and described expansion set 30 is positioned at described conical section 22.
And described expansion set 30 can comprise barrel portion 31 equally and at the terminal annular fixed plates 32 that arrange of barrel portion 31, and the structure of described annular fixed plate 32 is also identical with structure among the embodiment 1, does not repeat them here.
Present embodiment ready-package non-return device when mounted, described rotating shaft 50 is stretched into described inner sleeve 20 by the cylindrical section 21 of described inner sleeve 20, and after described rotating shaft 50 is positioned over described inner sleeve 20,, installed thereby finish described expansion set 30 to the conical section 22 of described inner sleeve 20 to inserting described expansion set 30 between the gap of described rotating shaft 50 and conical section 22 by described rotating shaft 50 ends.With respect to embodiment 1, when the expansion set 30 of present embodiment is connected with rotating shaft 50 at the realization non-return device, described expansion set 30 easier location, the installation efficiency of raising non-return device.
In conjunction with reference to figure 6 and Fig. 7, present embodiment is roughly the same in embodiment's 1 technological scheme, its difference is, on embodiment 1 basis, the described inner sleeve 20 of the ready-package non-return device of present embodiment offers the keyway 34 that groove 33 structures with described expansion set 30 are complementary vertically, equally, described rotating shaft 50 is provided with the keyway (not shown) that is complementary in keyway 34 structures of the groove 33 of described expansion set 30 and inner sleeve 20 vertically.
Preferably, the keyway 34 that described inner sleeve 20 is offered runs through described inner sleeve 20 two ends vertically, but described keyway 34 degree of depth are less than the thickness of described inner sleeve 20 sidewalls, and namely described keyway 34 does not run through the sidewall of described inner sleeve 20.Thereby described keyway 34 is offered the structure setting of the converse stopping mechanism that does not affect non-return device.
During installation, so that keyway 34 positions of the groove 33 of the keyway of described rotating shaft 50 and described expansion set 30 and inner sleeve 20 are corresponding, and assign behind the gap of 20 of described rotating shaft 50 and inner sleeves at described expansion set 30, in the space that the keyway 34 of the groove 33 of the keyway of described rotating shaft 50, described expansion set 30 and inner sleeve 20 forms, assign key 70, described baffle plate 40 is installed afterwards again, described baffle plate 40 is used for realizing described key 70 location equally, avoids key 70 forward to fly away from non-return device in the rotary course in companion rotating shaft 50.
Than embodiment 1, the join strength that described rotating shaft 50 drives in described inner sleeve 20, expansion set 30 transmission process has been strengthened in this enforcement.And strengthened the described rotating shaft 50 described expansion sets 30 of drive and the described torsion of inner sleeve 20 rotations, so that in the described non-return device using process, can bear the larger torsion around described rotating shaft 50 axial generations.
In conjunction with reference to figure 6 and Fig. 8, present embodiment is roughly the same in embodiment's 2 technological schemes, and its difference is, on embodiment 2 basis, the described inner sleeve 20 of present embodiment offers the keyway 35 that groove 33 structures with described expansion set 30 are complementary vertically.Keyway 34 structures among the general configuration of described keyway 35 and the embodiment 3 on the inner sleeve 20 are identical.It should be noted that, described such as above-mentioned embodiment 2, the inwall of described inner sleeve 20 comprises adjacent conical section 22 and cylindrical section 21 vertically, and based on said structure, the sidewall thickness of described cylindrical section 21 correspondences of described inner sleeve 20 is greater than the sidewall thickness of described conical section 22 correspondences.Thereby described keyway 35 degree of depth reach simultaneously to described conical section 22 and cylindrical section 21, so that described keyway 35 runs through described expansion set 30 two ends (the first structure of keyway 35) (as shown in Figure 8) vertically.Described keyway 35 also only is opened on the sidewall of described conical section 22 correspondences (being that described keyway 35 length are consistent with the length of described expansion set 30) (the second structure of keyway 35).Or be, 35 in described keyway is opened on the sidewall of described cylindrical section 21 correspondences (the third structure of keyway 35), this moment described key 70 along its length, only have part to be installed in described keyway 35.The various structures of above-mentioned keyway 35 all can be so that described non-return device in use, bears the larger torsion around described rotating shaft 50 axial generations than embodiment 2.But the rear two kinds of structures than keyway 35 have the non-return device of the first structure in use, can bear acrotorque.And than the third structure of keyway 35, when expansion set 30 is installed, easier location.
Above-mentioned explanation by embodiment should be able to make related domain professional and technical personnel understand better the utility model, and can reproduce and use the utility model.Those skilled in the art can do various changes to above-described embodiment in the situation that does not break away from essence of the present utility model and scope according to described principle herein and modification is apparent.Therefore, the utility model should not be understood to be limited to above-described embodiment shown in this article, and its protection domain should be defined by appending claims.
Claims (10)
1. ready-package non-return device comprises the converse stopping mechanism of inner sleeve, overcoat and inner sleeve and outer inner room, and described inner sleeve is nested in the outside rotating shaft, it is characterized in that,
Described ready-package non-return device also comprises the expansion set that is clamped between described inner sleeve and the described rotating shaft; Described expansion set comprises the barrel portion of the hollow of both ends open, and the outer surface that consists of the sidewall of described barrel portion fits in the inwall of described inner sleeve, and internal surface fits in the surface of described rotating shaft;
The end that is positioned at described rotating shaft is equipped with baffle plate; Described baffle plate is axial perpendicular to described rotating shaft, and props up described expansion set.
2. ready-package non-return device according to claim 1 is characterized in that, described expansion set is addendum cone shape, and the inwall of described inner sleeve and described expansion set structure are complementary.
3. ready-package non-return device according to claim 1 is characterized in that, described expansion set comprises that also to be arranged at described barrel portion terminal, and along the annular fixed plate of described expansion set radial protrusion, described baffle plate props up described annular fixed plate.
4. ready-package non-return device according to claim 3 is characterized in that, offers the annular groove that matches with described annular fixed plate structure at the end of the inwall of described inner sleeve.
5. ready-package non-return device according to claim 4 is characterized in that, described annular fixed plate is fixedly connected with described inner sleeve by bolt.
6. ready-package non-return device according to claim 1 is characterized in that, described expansion set length vertically is less than the length vertically of described inner sleeve.
7. ready-package non-return device according to claim 6 is characterized in that, the inwall of described inner sleeve comprises adjacent conical section and cylindrical section vertically; Described expansion set is positioned at described conical section; And described conical section smaller opening end and described cylindrical section offset, and the smaller opening of described conical section is greater than the opening of described cylindrical section.
8. according to claim 1 to 7 each described ready-package non-return devices, it is characterized in that described expansion set comprises along described expansion set axially to be offered, and runs through the groove of described expansion set two ends and sidewall.
9. ready-package non-return device according to claim 8 is characterized in that, described inner sleeve offers the keyway that the groove structure with described expansion set is complementary vertically.
10. ready-package non-return device according to claim 9 is characterized in that, the keyway degree of depth that described inner sleeve is offered is less than the thickness of described sidewall of the inside race.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591569 CN202914584U (en) | 2012-11-09 | 2012-11-09 | Rapid installation type backstop machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591569 CN202914584U (en) | 2012-11-09 | 2012-11-09 | Rapid installation type backstop machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914584U true CN202914584U (en) | 2013-05-01 |
Family
ID=48162903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220591569 Expired - Lifetime CN202914584U (en) | 2012-11-09 | 2012-11-09 | Rapid installation type backstop machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828481A (en) * | 2015-04-13 | 2015-08-12 | 安徽神力运输机械有限公司 | Hanging roller adverse brake |
-
2012
- 2012-11-09 CN CN 201220591569 patent/CN202914584U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828481A (en) * | 2015-04-13 | 2015-08-12 | 安徽神力运输机械有限公司 | Hanging roller adverse brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202914584U (en) | Rapid installation type backstop machine | |
| CN202023081U (en) | Tripod for rolling washing machine | |
| CN208431011U (en) | A kind of no pipe sheet assembling device and shield machine | |
| CN202745736U (en) | Casing-pipe clamping device for full-casing-pipe full-circle slewing drilling machine | |
| CN207287623U (en) | It is a kind of can monolithic replace circular cylinder body interior lining panel | |
| CN207982620U (en) | A kind of trucd mixer mixing drum fission welding structure | |
| CN201940775U (en) | Rotary driving mechanism of steel reinforcement cage weld-forming machine | |
| CN201770929U (en) | Regenerative drying cylinder | |
| CN102061657B (en) | Regenerative drying barrel | |
| CN203036126U (en) | Splay blind plate and matching structure of splay blind plate and flange | |
| CN204805175U (en) | Toper of connecting hub and axle is from locking device | |
| CN210658354U (en) | Pile pulling system | |
| CN201756424U (en) | Crane and connecting structure of swing support leg of crane and crane body | |
| CN209335502U (en) | A kind of adjustable sleeve of electric wrench | |
| CN209426767U (en) | A kind of coal mine down-hole overhead carrier for passenger driving wheel | |
| CN202781423U (en) | Novel centrifugal shaping mold set for concrete hollow square piles | |
| CN206882614U (en) | A kind of closing in fixture for fuel nozzle oil screen | |
| CN202599036U (en) | Flameproof novel drying cylinder and drying system | |
| CN208023570U (en) | Stake machine revolution regulating device and piling machine | |
| CN220081773U (en) | Support tube group for fan | |
| CN201250970Y (en) | Connection structure for pipeline port | |
| CN201030616Y (en) | Self-centering synchronous locking loop for ceramic lining compound oil pipe over-length centrifugal machine | |
| CN218358829U (en) | Sectional type gear ring mixer | |
| CN213776749U (en) | Stainless steel pipeline with self-locking connection structure | |
| CN210595924U (en) | Hammer locking device of tamping machine of tamping coke oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |