CN212803244U

CN212803244U - Telescopic short pipe with good sealing performance based on shield slurry circulation delivery pump

Info

Publication number: CN212803244U
Application number: CN202021607665.6U
Authority: CN
Inventors: 刘毅钊; 刘明骁; 易先明
Original assignee: Hubei Yangzijiang Pump Industry Wuhan Co ltd; Hubei Yangzijiang Pump Industry Co ltd
Current assignee: Hubei Yangzijiang Pump Industry Wuhan Co ltd; Hubei Yangzijiang Pump Industry Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-26
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a flexible nozzle stub that circular transfer pump leakproofness is good based on shield constructs muddy water belongs to silt pipe technical field, and it includes solid fixed ring, gu fixed ring's inner wall has cup jointed wear-resisting pipe, gu fixed ring's surface has seted up the fixed slot, gu fixed ring's the left and right sides face is provided with a plurality of threaded rod. This flexible nozzle stub based on shield constructs muddy water circulation delivery pump leakproofness is good, through setting up solid fixed ring, the sealed shell, close water ring and snap ring, the sliding sleeve keeps steady motion in the cavity simultaneously, the gliding wearing tube of activity pipe keeps fixing a position under solid fixed ring's effect in the cooperation of screw groove and screw in, make its position keep invariable, make its position that keeps both sides activity pipe change, make its roll-off length shorten half, make the load of its roll-off stress point reduce, the cooperation slide bar makes its directional motion can not appear sliding with the sliding sleeve simultaneously, make its more stable very big guarantee the security of using for a long time.

Description

Telescopic short pipe with good sealing performance based on shield slurry circulation delivery pump

Technical Field

The utility model belongs to the technical field of the silt pipe, specifically be a based on shield constructs flexible nozzle stub that mud water circulation delivery pump leakproofness is good.

Background

The shield machine adopts a mucking mode of pipeline fluid conveying, the mucking speed of the mucking mode is mainly determined by the mucking capacity of a slurry-discharging conveying pump in a muddy water circulation system, the muddy water circulation system mainly comprises a conveying pump which flushes waste, the telescopic pipe of the existing conveying pump is mostly single-stage telescopic when in use, so that the stress of the sliding-out point of the telescopic pipe is increased when the telescopic length is longer, the mechanical load strength of the telescopic pipe is further enhanced when sediment and the like in the telescopic pipe flow, and certain potential safety hazards exist when the telescopic pipe is used for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a flexible nozzle stub that the shield constructs muddy water circulation delivery pump leakproofness is good has solved the flexible pipe of current delivery pump and has adopted the single-stage flexible mostly when using, makes its atress of roll-off point increase thereupon when its flexible length is longer, further strengthens the mechanical load intensity of flexible pipe when flowing such as inside silt, makes its long-time problem that has certain potential safety hazard of using.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible nozzle stub based on shield constructs muddy water circulation delivery pump leakproofness is good, includes solid fixed ring, gu fixed ring's inner wall has cup jointed wear-resisting pipe, gu fixed ring's surface has seted up the fixed slot, gu fixed ring's the left and right sides face is provided with a plurality of threaded rod, a plurality of the threaded rod is respectively in the through-hole that two seal shell opposite faces were seted up sliding connection, sliding connection has the activity pipe in the seal shell, the left surface joint of activity inside pipe wall has a plurality of sliding sleeve, the sliding sleeve cup joints the surface at the slide bar, a plurality of the opposite face fixed connection of the both ends of slide bar and same closed water ring and snap ring, cavity and draw-in groove have been seted up to the inner wall of seal shell.

As a further aspect of the present invention: the inner wall of the fixing groove is fixedly connected with a thread groove formed in the surface of the wear-resistant pipe through a plurality of screws.

As a further aspect of the present invention: the left surface of snap ring and solid fixed ring's right flank overlap joint, the snap ring is located the cavity, the right flank of close water ring and the right flank overlap joint of cavity inner wall.

As a further aspect of the present invention: a plurality of mounting holes are formed in the right end of the movable pipe, and the movable pipe is connected to the surface of the wear-resistant pipe in a sliding mode.

As a further aspect of the present invention: the two ends of the wear-resistant pipe are in the shape of a horn mouth inclined inwards, and the inner wall of the wear-resistant pipe is in a certain small radian.

(III) advantageous effects

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

1. the telescopic short pipe with good sealing performance based on the shield slurry circulation delivery pump is characterized in that the two movable pipes slide in the sealing shell by arranging the fixing ring, the sealing shell, the wear-resistant pipe, the movable pipe, the sliding rod, the sliding sleeve, the water-closing ring and the snap ring, the sliding sleeves on the surface slide on the surfaces of the corresponding sliding rods respectively when the movable tubes slide, the sliding sleeves keep stable movement in the cavities, the wear-resistant tubes inside keep positioning under the action of the fixing rings through the matching of the thread grooves and the screws when the movable tubes slide, so that the positions of the wear-resistant tubes are kept constant, and the movable tubes on the two sides are kept to change, the two ends of the telescopic mechanism are telescopic during the telescopic process, so that the sliding length of the telescopic mechanism is shortened by a half, the load of the telescopic mechanism sliding out of a stress point is reduced, meanwhile, the sliding rod and the sliding sleeve are matched to ensure that the sliding rod does not slide in the directional movement, so that the safety of long-time use is ensured to be more stable and great.

2. This flexible nozzle stub based on shield constructs muddy water circulation delivery pump leakproofness is good, through setting up the snap ring, close the water ring, the draw-in groove, sealing ring and wear-resisting pipe, inside wear-resisting pipe can play fine water conservancy diversion effect when using, its movable tube cooperation that cup joints with the outside makes in its inside mobile silt etc. can not get into the cavity, when few subtotal rivers get into the cavity inside, the snap ring keeps the sealed of the junction of solid fixed ring and sealed shell, close the water ring simultaneously and can play and block rivers, along with the activity pipe surface outflow, the sealing ring in the cooperation draw-in groove can play the effect that blocks rivers simultaneously, the sealing ring can play the effect that blocks external rivers and silt simultaneously, make it keep inside good sealed effect.

3. This flexible nozzle stub based on shield constructs muddy water circulation delivery pump leakproofness is good, through setting up the thread groove, the screw, the through-hole, threaded rod and fixed slot, when using, the fixed slot can make things convenient for the staff to install and fix its pipeline, the thread groove that solid fixed ring and wear-resisting tub of surface were seted up simultaneously makes it pass through the fix with screw, can directly keep the fixed of inside wear-resisting pipe through solid fixed ring, it keeps fixed under inside silt scouring to make it, the threaded post that solid fixed ring's right flank set up simultaneously passes the through-hole and can keep the fixed of sealed shell through the nut, make it remain stable, its a plurality of threaded rods are fixed with the screw cap cooperation, it is more firm to make its structure.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic structural diagram of the present invention viewed from the right;

FIG. 3 is a schematic three-dimensional structure of the movable tube of the present invention;

fig. 4 is a front view of the present invention;

in the figure: the device comprises a fixing ring 1, a sealing shell 2, a movable tube 3, a sealing ring 4, a water-closing ring 5, a snap ring 6, a sliding sleeve 7, a threaded rod 8, a clamping groove 9, a cavity 10, a fixing groove 11, a mounting hole 12, a sliding rod 13, a wear-resistant tube 14, a through hole 15 and a threaded groove 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: a telescopic short tube based on good sealing performance of a shield mud-water circulation delivery pump comprises a fixing ring 1, a wear-resistant tube 14 is sleeved on the inner wall of the fixing ring 1, a fixing groove 11 is formed in the surface of the fixing ring 1, a plurality of threaded rods 8 are arranged on the left side surface and the right side surface of the fixing ring 1, the threaded rods 8 can be kept fixed on a sealing shell 2 through the matching of the threaded rods 8 and nuts, so that the mounting, dismounting and maintenance of the telescopic short tube are more convenient, the threaded rods 8 are respectively and slidably connected into through holes 15 formed in the opposite surfaces of two sealing shells 2, a movable tube 3 is slidably connected in the sealing shell 2, a plurality of sliding sleeves 7 are clamped on the left side surface of the inner wall of the movable tube 3, the sliding sleeves 7 are sleeved on the surface of a sliding rod 13, two ends of a plurality of sliding rods 13 are fixedly connected with the opposite surfaces of a same, the inner wall of the clamping groove 9 is provided with a sealing ring 4.

Specifically, as shown in fig. 1, the inner wall of the fixing groove 11 is fixedly connected with a threaded groove 16 formed on the surface of the wear-resistant pipe 14 through a plurality of screws, the left side surface of the snap ring 6 is lapped with the right side surface of the fixing ring 1, the snap ring 6 is located in the cavity 10, the right side surface of the water-closing ring 5 is lapped with the right side surface of the inner wall of the cavity 10, two ends of the wear-resistant pipe 14 are in an inward inclined bell mouth shape, the inner wall of the wear-resistant pipe 14 is in a certain small radian, the fixing groove 11 can be conveniently fixed to the fixing ring 1 through some existing clamping tools by arranging the fixing groove 11, the threaded groove 16 can be conveniently connected with the fixing ring 1 on the surface by a worker through the screws, the wear-resistant pipe 14 inside the wear-resistant pipe can be fixed when being impacted by silt, the snap ring 6 can limit the slide rod 13 by arranging the snap ring 6, and the slide rod 13 can stably adhere to the, make it keep the good water-proof effects of sealed shell 2 and solid fixed ring 1 junction, close water ring 5 through the setting, the interact effect that closes water ring 5 and slide bar 13 is unanimous with snap ring 6, close water ring 5 simultaneously and keep making it possess good water effect to the laminating state on its surface when playing the slip of movable tube 3, through setting up wear-resisting pipe 14, wear-resisting pipe 14 both ends are the horn mouth form of leanin, it is more smooth and easy to make its silt circulate, wear-resisting pipe 14's inner wall is certain radian simultaneously, make its inside capacity compare in the wide in horn mouth slot department at both ends mutually, can play effectual anti-blocking effect.

Specifically, as shown in fig. 2, a plurality of mounting hole 12 has been seted up to the right-hand member of

activity pipe

3, and 3 sliding connection of activity pipe are on wear-resisting pipe 14's surface, and through setting up activity pipe 3, activity pipe 3 can remain stable on-state in the activity, and sliding sleeve 7 makes its pipeline spacing to being connected with the cooperation of slide bar 13 simultaneously, prevents that the pipeline from wriggling, and the cooperation slides simultaneously and makes its silt sewage can keep flowing the condition that can not appear flowing on wear-resisting pipe 14's surface.

The utility model discloses a theory of operation does:

s1, when the fixing ring is used by workers, firstly, the fixing ring 1 is fixed through an existing support outside, then, one ends of the two movable pipes 3 are respectively communicated with other pipelines, and then, when internal silt and sewage circulate, water flow enters from the movable pipe 3 on the left side, passes through the wear-resistant pipe 14, enters the movable pipe 3 on the right side and is discharged;

s2, when the movable tube 3 stretches, the movable tube 3 slides in the sealed shell 2, the fixed sliding sleeve 7 slides in the cavity 10, then the sliding sleeve 7 in the cavity 10 slides on the surface of the sliding rod 13, and the left end and the right end of the sliding rod 13 are respectively fixedly connected with the clamping ring 6 and the water closing ring 5;

s3, the snap ring 6 and the water-closing ring 5 are respectively kept in close fit and fixed states with the right side face of the fixed ring 1 and the right side face of the inner wall of the cavity 10, meanwhile, when the movable tube 3 slides, the surface of the movable tube is tightly fitted with the sealing shell 2, then the sliding rod 13 and the sliding sleeve 7 are matched to keep directional sliding, and meanwhile, the movable tube slides on the surface of the wear-resistant tube 14 inside.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a flexible nozzle stub that shield constructs muddy water circulation delivery pump leakproofness is good, includes solid fixed ring (1), its characterized in that: the inner wall of the fixing ring (1) is sleeved with a wear-resistant pipe (14), the surface of the fixing ring (1) is provided with a fixing groove (11), the left side surface and the right side surface of the fixed ring (1) are provided with a plurality of threaded rods (8), the threaded rods (8) are respectively connected in a sliding way in through holes (15) arranged on the opposite surfaces of the two sealing shells (2), the sealing shell (2) is connected with a movable tube (3) in a sliding way, the left side surface of the inner wall of the movable tube (3) is connected with a plurality of sliding sleeves (7) in a clamping way, the sliding sleeves (7) are sleeved on the surfaces of the sliding rods (13), two ends of the sliding rods (13) are fixedly connected with the opposite surfaces of the same water-closing ring (5) and the snap ring (6), the inner wall of the sealing shell (2) is provided with a cavity (10) and a clamping groove (9), the sliding rod (13) is positioned in the cavity (10), and the inner wall of the clamping groove (9) is provided with a sealing ring (4).

2. The telescopic short pipe based on the shield slurry circulation delivery pump with good sealing performance as claimed in claim 1, is characterized in that: the inner wall of the fixing groove (11) is fixedly connected with a thread groove (16) formed in the surface of the wear-resistant pipe (14) through a plurality of screws.

3. The telescopic short pipe based on the shield slurry circulation delivery pump with good sealing performance as claimed in claim 1, is characterized in that: the left side face of snap ring (6) and the right flank overlap joint of solid fixed ring (1), snap ring (6) are located cavity (10), the right flank of close water ring (5) and the right flank overlap joint of cavity (10) inner wall.

4. The telescopic short pipe based on the shield slurry circulation delivery pump with good sealing performance as claimed in claim 1, is characterized in that: a plurality of mounting holes (12) are formed in the right end of the movable pipe (3), and the movable pipe (3) is connected to the surface of the wear-resistant pipe (14) in a sliding mode.

5. The telescopic short pipe based on the shield slurry circulation delivery pump with good sealing performance as claimed in claim 1, is characterized in that: the two ends of the wear-resistant pipe (14) are in an inward inclined bell mouth shape, and the inner wall of the wear-resistant pipe (14) is in a certain small radian.