CN203549196U - Adapter, mud pipe assembly and double-wheel milling grooving machine - Google Patents

Adapter, mud pipe assembly and double-wheel milling grooving machine Download PDF

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Publication number
CN203549196U
CN203549196U CN201320672975.XU CN201320672975U CN203549196U CN 203549196 U CN203549196 U CN 203549196U CN 201320672975 U CN201320672975 U CN 201320672975U CN 203549196 U CN203549196 U CN 203549196U
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CN
China
Prior art keywords
tube
bearing
crossover sub
flange
pipe
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Expired - Lifetime
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CN201320672975.XU
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Chinese (zh)
Inventor
梅峰
朱长林
乔国华
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Zoomlion Heavy Industry Science and Technology Co Ltd
Shanghai Zoomlion Piling Machinery Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
Shanghai Zoomlion Piling Machinery Co Ltd
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Priority to CN201320672975.XU priority Critical patent/CN203549196U/en
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Publication of CN203549196U publication Critical patent/CN203549196U/en
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Abstract

The utility model discloses an adapter, mud pipe assembly and double round milling grooving machine, this adapter includes joint pipe (10), bearing assembly (20) and connecting pipe subassembly (30), bearing (21) cover is established on the joint pipe, wherein, the connecting pipe subassembly includes position circle (31), let out thick liquid circle (33) and connecting pipe (32), a bearing, the position circle, it establishes on the joint pipe to let out thick liquid circle and connecting pipe cover in proper order, the position circle, the connecting pipe with let out thick liquid circle for bearing frame (22) fixed setting, the connecting pipe is established including the cover and is established the overcoat portion (32 a) of the tip of joint pipe and butt joint portion (32 b) with the tip butt joint, the tip of connecting pipe is provided with first flange (32 c), the tip relative with first flange of joint pipe is provided with second flange (13). The adapter can be respectively connected with two pipe bodies needing relative rotation through the first flange and the second flange at two ends, the two pipe bodies can rotate in the forward and reverse directions relatively, and the pipe bodies can be conveniently disassembled and assembled through being sequentially sleeved.

Description

Crossover sub, mud tube assembly and double wheels trench cutter
Technical field
The utility model relates to pipe fitting and connects, and particularly, relates to a kind of crossover sub and comprises mud tube assembly and the double wheels trench cutter of this crossover sub.
Background technique
In double wheels trench cutter, because the mud tube that is positioned at mud tube reel inside has relative rotatablely moving with the mud tube that is positioned at mud tube reel outside, therefore these two sections of mud tubes need to connect by crossover sub, to guarantee two sections of successfully relative movement of mud tube.
In CN201547434U, in disclosed mud tube rotating assembly (being equivalent to crossover sub), two ends are threaded connection respectively two sections of mud tubes, thereby can only allow the unidirectional relative rotation of two sections of mud tubes, otherwise will cause connecting loosening.In addition, in CN201547434U, during assembling, need in advance rotating seal be installed to hermetically sealed case and be assembled in water flowing rotating shaft together with rear pressing cover etc., be unfavorable for dismounting.In addition, in whole sealing system, seal point is more, causes fault point more.
Therefore, in the crossover sub of prior art, exist complex structure, inconvenience to install and be difficult to guarantee the problem of sealing.
Model utility content
The purpose of this utility model is to provide pipeline section that a kind of permission connects and rotates and be convenient to relative to forward and reverse the crossover sub of installing.
To achieve these goals, the utility model provides a kind of crossover sub, this crossover sub comprises adaptor tube, bearing unit and connecting pipe component, described bearing unit comprises bearing and bearing support, described bearing housing is located on described adaptor tube, wherein, described connecting pipe component comprises positioning ring, let out slurry circle and connecting tube, described bearing, positioning ring, letting out slurry circle and connecting tube is set on described adaptor tube successively, described positioning ring, connecting tube is fixedly installed with respect to described bearing support with letting out to starch to enclose, the end-to-end joint part that described connecting tube comprises the outer race section of the end that is set in described adaptor tube and docks with described end, the end of described connecting tube is provided with the first flange, the end relative with described the first flange of described adaptor tube is provided with the second flange.
Preferably, described positioning ring, connecting tube and let out slurry circle and connect as one by fastening piece, described bearing support, positioning ring, connecting tube and let out slurry circle and connect as one by screw rod.
Preferably, described fastening piece and screw rod are respectively multiple and along being circumferentially crisscross arranged.
Preferably, the internal diameter of described end-to-end joint part and the internal diameter of described adaptor tube are consistent.
Preferably, the axial both sides of described bearing are respectively arranged with retainer and clamp, and described bearing support is fixedly connected with described retainer, and described adaptor tube is provided with for the convex shoulder of retainer described in backstop with for the draw-in groove of described clamp is installed.
Preferably, the inner ring of bearing described in described clamp backstop, described positioning ring has the protuberance for the outer ring of bearing described in backstop.
Preferably, described clamp comprises two semi-annular shape plates spacing by being arranged on anti-knocking on described adaptor tube.
Preferably, described positioning ring and described in let out between slurry circle and described in let out between slurry circle and described connecting tube and be provided with the first seal ring.
Preferably, the arranged outside of described adaptor tube is useful on described the first seal ring and seals the sleeve contacting, and between described sleeve and described adaptor tube, by the second seal ring, seals.
The utility model also provides a kind of mud tube assembly, and wherein, described mud tube assembly comprises the first pipeline section, the second pipeline section and crossover sub of the present utility model, and described the first pipeline section and described the second pipeline section are connected to described the second flange and described the first flange.
The utility model also provides a kind of double wheels trench cutter, and wherein, described double wheels trench cutter comprises mud tube assembly of the present utility model.
By technique scheme, crossover sub can be connected respectively counterrotating two bodys of needs by first flange at two ends with the second flange, two bodys can be rotated relative to forward and reverse, by sheathed dismounting easily successively.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the axial sectional view of a kind of mode of execution of explanation crossover sub of the present utility model;
Fig. 2 is the view sub-anatomy of the connecting pipe component in Fig. 1;
Fig. 3 is the exploded perspective view of the structure of explanation clamp.
Description of reference numerals
10 adaptor tube 11 sleeve 12 second seal ring 13 second flanges
Anti-knocking over 16 dust rings of 14 convex shoulder 15
20 bearing unit 21 bearing 22 bearing support 23 retainers
24 clamp 25 bolts
30 connecting pipe component 31 positioning rings
32 connecting tube 32a outer race section 32b end-to-end joint part 32c the first flanges
33 let out slurry circle 34 first seal ring 35 fastening piece 36 screw rods
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present utility model, a kind of crossover sub is provided, this crossover sub comprises adaptor tube 10, bearing unit 20 and connecting pipe component 30, described bearing unit 20 comprises bearing 21 and bearing support 22, described bearing 21 is set on described adaptor tube 10, wherein, described connecting pipe component 30 comprises positioning ring 31, let out slurry circle 33 and connecting tube 32, described bearing 21, positioning ring 31, letting out slurry circle 33 and connecting tube 32 is set on described adaptor tube 10 successively, described positioning ring 31, connecting tube 32 and let out slurry circle 33 and be fixedly installed with respect to described bearing support 22, the end-to-end joint part 32b that described connecting tube 32 comprises the outer race section 32a of the end that is set in described adaptor tube 10 and docks with described end, the end of described connecting tube 32 is provided with the first flange 32c, the end relative with described the first flange 32c of described adaptor tube 10 is provided with the second flange 13.
Crossover sub can be connected respectively counterrotating two pipeline sections of needs by the first flange 32c at two ends with the second flange 13, thereby two pipeline sections that can make to connect by crossover sub of the present utility model can carry out relative clockwise and rotate counterclockwise, by sheathed dismounting easily successively.Particularly, can be from connecting tube 32 sides successively running in bearings assembly 20, positioning ring 31, let out slurry circle 33 and connecting tube 32, and can backward dismantle successively each parts.
According on the other hand of the present utility model, a kind of mud tube assembly is provided, wherein, described mud tube assembly comprises the first pipeline section, the second pipeline section and crossover sub of the present utility model, and described the first pipeline section and described the second pipeline section are connected to described the second flange 13 and described the first flange 32c.
According on the other hand of the present utility model, a kind of double wheels trench cutter is provided, wherein, described double wheels trench cutter comprises mud tube assembly of the present utility model.
In crossover sub of the present utility model, described positioning ring 31 and described in let out between slurry circle 33 and described in let out between slurry circle 33 and described connecting tube 32 and be provided with the first seal ring 34, not only simple in structure, and can obtain reliable, good sealing.In addition, the first seal ring 34 is arranged on positioning ring 31, connecting tube 32 and lets out in slurry circle 33 adjacently between the two, can let out slurry circle 33 and connecting tube 32 carrys out the first seal ring 34 of dismounting easily by dismounting successively.
In the utility model, the end of described connecting tube 32 and the first flange 32c are welded to connect, and the end relative with described the first flange 32c of described adaptor tube 10 is welded to connect described the second flange 13.
In the utility model, the first seal ring 34 and adaptor tube 10 are motive sealing.Preferably, the outside of described adaptor tube 10 can be fixedly installed to be useful on described the first seal ring 34 and seal the sleeve 11 contacting, between described sleeve 11 and described adaptor tube 10, by the second seal ring 12, seal described sleeve 11, the second seal ring 12 and described adaptor tube 10 synchronous rotaries.Thus, the first seal ring 34 seals and contacts in relative rotation with sleeve 11 all the time, when sleeve 11 or the first seal ring 34 wear and tear, can only dismantle connecting pipe component 30 to change sleeve 11 or connecting pipe component 30, has extended the working life of adaptor tube 10.
In preferred implementation of the present utility model, for the ease of dismantling and obtain firm connection, as shown in Figure 1, described positioning ring 31, connecting tube 32 and let out slurry circle 33 can be by such as screw of fastening piece 35() connect as one described bearing support 22, positioning ring 31, connecting tube 32 and let out slurry and enclose 33 and can connect as one by screw rod 36.Thus, when for example needing to change the first seal ring 34 or sleeve 11, the nut and the fastening piece 35 that are arranged in connecting tube 32 one end (Fig. 1 right-hand member) that can dismantling screw 36, then connecting pipe component 30 can be dismantled (the mode of execution of Fig. 1 from adaptor tube 10 as a whole, can dismantle from adaptor tube 10 right-hand members), to change.After replacing completes, connecting pipe component 30 can be reinstalled on adaptor tube 10 as a whole, finally tighten nut the mounting fastener 35 of screw rod 36.Understandably, when needs are changed positioning ring 31, while letting out slurry circle 33 and connecting tube 32, only need be dismantled successively the parts that needs are changed.For example, when needs, change while letting out slurry circle 33, only need the nut that is positioned at connecting tube 32 one end and the fastening piece 35 of dismantling screw 36 and dismantle subsequently connecting tube 32 and let out slurry circle 33.In other words, the closer to the parts of connecting tube 32 1 sides, during replacing, the associated components of required dismounting is fewer vertically, also more can embody convenience of the present utility model.
In addition, more preferably, it is multiple and along being circumferentially crisscross arranged, to obtain along circumferentially balanced, firm connection that described fastening piece 35 and screw rod 36 can be respectively.
As mentioned above, the utility model has adopted at least two the first seal rings 34 to implement mechanical seal, has effectively guaranteed sealing.Because the first seal ring 34 can wear and tear in long-time using process, check for convenience abrasion condition, preferably, described in let out slurry and enclose on 33 and can be provided with the row's small opening for discharging leakage liquid.Take illustrated mode of execution as example, comprising two the first seal rings 34, during use, when the liquid in adaptor tube 10 enters the gap between adaptor tube 10 and connecting pipe component 30 from end-to-end joint part 32b, will stop by the sealing of at least two the first seal rings 34.When first seal ring 34 on the right side in Fig. 1 and Fig. 2 weares and teares and causes leaking, liquid in above-mentioned gap flows out entering between two the first seal rings 34 and by the drain boles of letting out on slurry circle 33, operator thereby can find in time and change the first seal ring 34 of wearing and tearing, in order to avoid leakage situation worsens and finally causes connecting pipe component 30 to lose efficacy.
In addition, for avoiding plugging, preferably make the internal diameter of described end-to-end joint part 32b of the present utility model consistent with the internal diameter of described adaptor tube 10.
In the utility model, bearing unit 20 can be installed, be located by suitable mode.For example, in the mode of execution of Fig. 1, the axial both sides of described bearing 21 are respectively arranged with the clamp 24 of the retainer 23 of the location, outer ring to bearing 21 and the inner ring location to bearing 21, described adaptor tube 10 is provided with for the convex shoulder 14 of retainer described in backstop 23 with for the draw-in groove of described clamp 24 is installed, and bearing support 22 can for example, be connected with retainer 23 fixing (passing through screw).Thus, bearing 21 can pass through retainer 23 and clamp 24 axially locating.Wherein, between convex shoulder 14 and retainer 23, dust ring 16 can be set, to guarantee bearing unit 20 and outside dust sealing.
Wherein, retainer 23 can keep transfixion by various suitable modes, thereby guarantees bearing support 22, positioning ring 31, connecting tube 32 and let out slurry circle 33 to keep fixing, and allows adaptor tube 10 to rotate.For example, can keep with outside stopping device the transfixion of retainer 23.
In addition, as shown in Figure 1, the inner ring of bearing 21 described in described clamp 24 backstops, described positioning ring 31 can have the protuberance for the outer ring of bearing described in backstop 21.In other words, retainer 23, clamp 24 and positioning ring 31 coordinate the axially locating that realizes bearing unit 20.
Preferably, as shown in Figure 3, described clamp 24 can comprise two semi-annular shape plates spacing by being arranged on anti-knocking over 15 on described adaptor tube 10.Thus, can use the clamp 24 of non-standard component, thus as required (the required axial tension of bearing of for example adaptor tube 10) design clamp 24 thickness, to meet the usage requirement of crossover sub.Wherein, anti-knocking over 15 can be arranged in the restraining groove on adaptor tube 10, and from the radial outside backstop clamp 24 of clamp 24.
Take the mode of execution shown in Fig. 1 as example, the installation of crossover sub of the present utility model is described below.Wherein, crossover sub of the present utility model can carry out one-sided installation easily, and each parts are all in place on the right side from Fig. 1.Before installation, first the end of described adaptor tube 10 and described the second flange 13 are welded to connect, and the end of described connecting tube 32 and the first flange 32c are welded to connect, if first crossover sub assembling is welded to corresponding site again, after assembling, be not easy to the carrying out of welding procedure, and it is also inconvenient orthopedic easily to produce welding deformation, causes crossover sub not meet usage requirement, therefore, need first region of interest to be welded in place and to be assembled.During assembling, first, by retainer 23 and dust ring 16 backstops in convex shoulder 14; Then bearing unit 20 is arranged on adaptor tube 10, and bearing support 22 is fixed on to retainer 23, by retainer 23, locate; Clamp 24 and anti-knocking over 15 can be installed subsequently, thus the location that substantially completes bearing unit 20; Connecting pipe component 30 is finally installed.When connecting pipe component 30 is installed, first positioning ring 31 is installed, is made it against bearing 21, then install and let out slurry circle 33 and corresponding the first seal ring 34, connecting tube 32 is installed subsequently, finally fixing by fastening piece 35 and screw rod 36.
During dismounting, be reversed above-mentioned steps.In addition, when changing the first seal ring 34 or sleeve 11, without dismounting bearing unit 20 parts such as grade, only connecting pipe component 30 need be taken off and can change, convenient and swift.When needs are changed positioning ring 31, while letting out slurry circle 33 and connecting tube 32, only need be dismantled successively the parts that needs are changed.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (11)

1. a crossover sub, this crossover sub comprises adaptor tube (10), bearing unit (20) and connecting pipe component (30), described bearing unit (20) comprises bearing (21) and bearing support (22), described bearing (21) is set on described adaptor tube (10), it is characterized in that, described connecting pipe component (30) comprises positioning ring (31), let out slurry circle (33) and connecting tube (32), described bearing (21), positioning ring (31), letting out slurry circle (33) and connecting tube (32) is set on described adaptor tube (10) successively, described positioning ring (31), connecting tube (32) and let out slurry circle (33) and be fixedly installed with respect to described bearing support (22), described connecting tube (32) comprises the outer race section (32a) of the end that is set in described adaptor tube (10) and the end-to-end joint part (32b) of docking with described end, the end of described connecting tube (32) is provided with the first flange (32c), the end relative with described the first flange (32c) of described adaptor tube (10) is provided with the second flange (13).
2. crossover sub according to claim 1, it is characterized in that, described positioning ring (31), connecting tube (32) and let out slurry circle (33) and connect as one by fastening piece (35), described bearing support (22), positioning ring (31), connecting tube (32) and letting out starched and enclosed (33) and connect as one by screw rod (36).
3. crossover sub according to claim 2, is characterized in that, it is multiple and along being circumferentially crisscross arranged that described fastening piece (35) and screw rod (36) are respectively.
4. crossover sub according to claim 1, is characterized in that, the internal diameter of described end-to-end joint part (32b) is consistent with the internal diameter of described adaptor tube (10).
5. according to the crossover sub described in any one in claim 1-4, it is characterized in that, the axial both sides of described bearing (21) are respectively arranged with retainer (23) and clamp (24), described bearing support (22) is fixedly connected with described retainer (23), and described adaptor tube (10) is provided with for the convex shoulder (14) of retainer described in backstop (23) with for the draw-in groove of described clamp (24) is installed.
6. crossover sub according to claim 5, is characterized in that, the inner ring of bearing (21) described in described clamp (24) backstop, and described positioning ring (31) has the protuberance for the outer ring of bearing described in backstop (21).
7. crossover sub according to claim 5, is characterized in that, described clamp (24) comprises two semi-annular shape plates spacing by being arranged on anti-knocking over (15) on described adaptor tube (10).
8. crossover sub according to claim 1, is characterized in that, described positioning ring (31) and described in let out between slurry circle (33) and described in let out between slurry circle (33) and described connecting tube (32) and be provided with the first seal ring (34).
9. crossover sub according to claim 8, it is characterized in that, the arranged outside of described adaptor tube (10) is useful on described the first seal ring (34) and seals the sleeve (11) contacting, and between described sleeve (11) and described adaptor tube (10), by the second seal ring (12), seals.
10. a mud tube assembly, it is characterized in that, described mud tube assembly comprises the first pipeline section, the second pipeline section and according to the crossover sub described in any one in claim 1-9, described the first pipeline section and described the second pipeline section are connected to described the second flange (13) and described the first flange (32a).
11. 1 kinds of double wheels trench cutter, is characterized in that, described double wheels trench cutter comprises mud tube assembly according to claim 10.
CN201320672975.XU 2013-10-29 2013-10-29 Adapter, mud pipe assembly and double-wheel milling grooving machine Expired - Lifetime CN203549196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320672975.XU CN203549196U (en) 2013-10-29 2013-10-29 Adapter, mud pipe assembly and double-wheel milling grooving machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320672975.XU CN203549196U (en) 2013-10-29 2013-10-29 Adapter, mud pipe assembly and double-wheel milling grooving machine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557388A (en) * 2013-10-29 2014-02-05 上海中联重科桩工机械有限公司 Adapter, mud pipe assembly and double-wheel milling grooving machine
CN105673826A (en) * 2016-03-17 2016-06-15 重庆望江工业有限公司 Sealing structure for guide shaft of wind power gear box
CN109538859A (en) * 2018-12-25 2019-03-29 长江南京航道工程局 A kind of pipeline work face converter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557388A (en) * 2013-10-29 2014-02-05 上海中联重科桩工机械有限公司 Adapter, mud pipe assembly and double-wheel milling grooving machine
CN103557388B (en) * 2013-10-29 2015-09-30 上海中联重科桩工机械有限公司 Adapter, mud pipe assembly and double-wheel milling grooving machine
CN105673826A (en) * 2016-03-17 2016-06-15 重庆望江工业有限公司 Sealing structure for guide shaft of wind power gear box
CN105673826B (en) * 2016-03-17 2018-05-15 重庆望江工业有限公司 A kind of wind turbine gearbox guides axle sealing structure
CN109538859A (en) * 2018-12-25 2019-03-29 长江南京航道工程局 A kind of pipeline work face converter

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140416

Effective date of abandoning: 20150930

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