CN208235296U - Special seal nozzle is repaired in road in airport slip casting - Google Patents

Abstract

The utility model relates to field road fix tools, it discloses road in airport slip casting and repairs Special seal nozzle, solve the problems, such as that two seperated not equal run-off the straights of annulus compression cause leakproofness to reduce when jackscrew compresses gland, it includes jet pipe, it is mounted on jet pipe and compresses component, cover outer tube and gland outside jet pipe, it compresses component and jet pipe is fixed and compresses gland downwards, gland includes mainboard, subplate and sealing ring, mainboard side is equipped with the caulking groove that for subplate slide-in and shape and subplate agree with, mainboard is provided with the coordination gap extended from edge to center above caulking groove, coordination gap is through mainboard and is coordinated gap and is located at one end of main plate center and can be bonded with the outside of jet pipe, with the coordination notch that can be bonded with the outside of jet pipe on the side of subplate insertion caulking groove, sealing ring is divided into the long seal section for being fixed on mainboard bottom surface and is fixed on subplate The short seal section of bottom surface, mainboard are provided with the sliding mouth mobile in it for short seal section in slot bottom, and gland sealing performance is strong.

Description

Special seal nozzle is repaired in road in airport slip casting

Technical field

The utility model relates to field road fix tool, in particular to Special seal nozzle is repaired in road in airport slip casting.

Background technique

Slurry injection technique is used in the recovery project of road in airport, raises the place for repairing sedimentation.Field road slip casting is repaired general It is that many places drill on the old runway for having part or slightly settling, the runway of sedimentation is jacked to design by high-pressure slip-casting and is marked It is high.Since grouting pressure is very big, grouting port easily running pulp during slip casting is normally carried out and causes to influence slip casting work The pollution of grouting port surrounding.

" Special seal is repaired in the road the Jiu Chang slip casting of airport harbour to the Chinese patent that existing Authorization Notice No. is CN20113098Y Nozzle " comprising a seamless steel pipe, pressing plate, jackscrew, gland, rubber ring, plastic tube, seamless steel pipe lower end have a horn mouth, Upper end has external screw thread；Plastic tube is with elongated gap together, and plastic pipe sleeve is in seamless steel pipe lower part；Gland is a center opening Two seperated annulus, center hole diameter is identical with seamless steel pipe outer diameter, and gland covers on seamless steel pipe, gland bottom surface and Plastic tube is in contact；Pressing plate is located at gland top, shares four pieces, and four block pressur plates are located in same level, are evenly arranged on along seamless Steel pipe lateral surface, pressing plate and seamless steel pipe weld, and pressing plate center is provided with threaded hole, and jackscrew passes through threaded hole, and jackscrew end is withstood on On gland.Concrete construction method: getting injected hole with water drilling on runway and clean out, and will first be cased with the spray of open and clear flexible plastic tube Mouth is put into hole, puts two seperated ring rubber rings and two seperated semi-ring glands well, and foot slams gland, after above proposing nozzle tension, Rotation jackscrew handle is held out against, that is, is installed；Slip casting finishes that seal nozzle with cork suitable for reading；Jackscrew is first unscrewed when dismounting Handle removes both sides semicircular gland and cushion rubber, the plastic tube wall proposition for exposing the top surface Chang Dao is clamped with pliers, then promote nozzle Steel pipe dismounting can be completed.

Disadvantage is that gland is two seperated annulus, gland, the pressure that two seperated annulus are subject to are compressed in jackscrew Power can etc. not make two seperated annulus run-off the straights, and the leakproofness of gland is caused to reduce.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide road in airport slip casting and repair Special seal spray Mouth, gland sealing performance are strong.

The above-mentioned technical purpose of the utility model has the technical scheme that

Special seal nozzle is repaired in road in airport slip casting, including jet pipe, is mounted on compressing component, cover in jet pipe on jet pipe Gland can be fixed with jet pipe and be compressed downwards to outer outer tube and gland, the component that compresses, the gland include mainboard, subplate and Sealing ring, the caulking groove that the mainboard side setting slides into for subplate and shape and subplate agree with, the mainboard is above caulking groove It is provided with the coordination gap extended from edge to center, the coordination gap is through mainboard and coordination gap is located at the one of main plate center End can be bonded with the outside of jet pipe, be lacked on the side of the subplate insertion caulking groove with the coordination that can be bonded with the outside of jet pipe Mouthful, the sealing ring is divided into the short seal section for being fixed on the long seal section of mainboard bottom surface and being fixed on the bottom surface of subplate, the master Plate is provided with the sliding mouth mobile in it for short seal section in slot bottom.

By using above-mentioned technical proposal, first mainboard is covered in the outside of jet pipe when gland is installed, from the another of jet pipe Side subplate is pushed into caulking groove, and subplate supports the outside of patch jet pipe, covers gland outside jet pipe；Gland is compressed by compressing component again at this time When, subplate is laterally inserted into inside mainboard and fills up inside caulking groove；When compressing component and compressing mainboard, mainboard drives subplate to synchronize down Pressure, when compressing component and compressing subplate, subplate compresses that mainboard is synchronous to be pushed, and thus prevents between mainboard and subplate when being pressurized The leakproofness that inclination or dislocation reduce gland reduces.

Preferably, guide pad is had on the subplate upper surface, the guide pad supports two sideslips of patch coordination gap Enter to be coordinated in gap.

By using above-mentioned technical proposal, guiding is played in guide pad sliding in coordination gap during subplate insertion caulking groove Effect, convenient in subplate push-in caulking groove；After subplate is pushed into caulking groove, the two sides of guide pad and coordination gap offset, and prevent subplate Shaking leads to the reduction of gland leakproofness.

Preferably, the both ends of the long seal section have setting strip, the short seal section far from the side in the center of circle The side in both ends towards the center of circle have the mating groove that can mutually agree with setting strip, the subplate bottom is provided with and short sealing Section both ends be affixed far from center of circle side and limit mating groove deform compress side.

By using above-mentioned technical proposal, after subplate is inserted into slot, the mating groove and long seal section at short seal section both ends The setting strip at both ends, which is affixed, cooperatively forms complete sealing ring；After gland compresses place surface, sealing ring inside pressure increases, and makes It obtains setting strip and supports mating groove outward, while compressing the outside displacement of margin mating groove, the end of setting strip is further supported Push up the cell wall of vertical short seal section circumferential direction of mating groove, reinforcement sealing effect.

Preferably, described to compress side and be bonded completely with short seal section far from center of circle one side.

By using above-mentioned technical proposal, the short seal section of margin system is compressed backwards to the movement and deformation in center of circle direction, is prevented Short seal section be pressurized it is excessive falls off, while when installation of short seal section is fixed, compresses side as positioning reference, and short seal section is facilitated to pacify Dress is fixed.

Preferably, the gland includes coordination ring, is provided on the gland upper surface and is coordinated what ring mutually agreed with It is coordinated annular groove, the coordination annular groove is divided into the main coordination arc slot on mainboard and the secondary coordination arc slot on subplate.

By using above-mentioned technical proposal, when offseting on the outside of subplate push-in caulking groove and coordination notch and jet pipe, master matches Position arc slot and secondary coordination arc slot align and cooperatively form coordination annular groove, then will in coordination ring insertion coordination annular groove so that subplate with Mainboard positioning prevents subplate from deviating from when sealing nozzle installation or use to outside caulking groove.

Preferably, the component that compresses includes the external screw thread being arranged on outside of the nozzle face and connects with external screw thread screw thread The lower end of the pressing sleeve connect, the pressing sleeve can be abutted against with gland.

It by using above-mentioned technical proposal, rotates pressing sleeve and pressing sleeve is driven to rise or fall, mainboard and subplate pass through coordination ring And caulking groove is mutually fixed, and makes pressing sleeve that gland be pressed on the surface Chang Dao and gland uniform force when pushing, thus more multiple tops For needle compresses, operate more convenient simple.

Preferably, the height of the coordination ring is higher than coordination annular groove, and the outside of the pressing sleeve lower end, which has, supports ring, institute Stating the bottom surface to ring can offset with the upper end with cyclization.

By using above-mentioned technical proposal, there may be inclination or injected hole upper ends for its axial direction of injected hole got on the road of field The aperture road Wai Chang surface may not be horizontal, and will lead to gland, to be fitted in gland upper surface when on the surface of place inclined, Ring is supported herein to compress with cyclization, then by with cyclization by pressure uniform conductive to mainboard and subplate, form sealing to compress sealing ring, It avoids directly compressing inclined mainboard or subplate to ring, be tilted with the other side for preventing the side of gland opposite compared with its and reduces close Seal effect.

Preferably, several protrusions are had on the upper end anchor ring of the coordination ring.

By using above-mentioned technical proposal, when compressing the upper end of coordination ring to ring, it is coordinated the raised meeting portion of the upper surface of ring It point falls into in ring, and then prevents from loosening during slip casting because of vibration.

In conclusion the utility model has the following beneficial effects:

1. gland is covered outside jet pipe, subplate is laterally inserted into inside mainboard and fills up inside caulking groove；Again by compressing component Gland is compressed, synchronous pushing is mutually compressed between mainboard and subplate, thus prevents from inclining between mainboard and subplate when being pressurized Tiltedly or the leakproofness of dislocation reduction gland reduces；

2. the long seal section of composition sealing ring is respectively arranged with the setting strip that correspondence can mutually agree with the both ends of short seal section And mating groove, sealing ring inside pressure increase, so that setting strip supports mating groove outward, while it is outside to compress margin mating groove The cell wall of the vertical short seal section circumferential direction of mating groove is further supported in displacement, the end of setting strip, reinforces sealing effect；

3. gland includes coordination ring, while the main coordination arc slot of mainboard upper surface setting and the pair of subplate upper surface setting are matched Position arc slot can cooperatively form the coordination annular groove for coordination ring insertion after subplate is pushed into caulking groove, position subplate and mainboard, prevent Subplate is deviate from when sealing nozzle installation or use to outside caulking groove；

4. compressing the pressing sleeve that component includes the external screw thread being arranged on outside of the nozzle face and is threadedly coupled with external screw thread, rotate Pressing sleeve drives pressing sleeve to rise or fall, and pressing sleeve is made to push gland, for more multiple thimbles compresses, operates more convenient letter It is single；

5. supporting ring to compress with cyclization, then by matching cyclization for pressure uniform conductive to mainboard and subplate, to compress sealing ring shape It at sealing, avoids directly compressing inclined mainboard or subplate to ring, be tilted with the other side for preventing the side of gland opposite compared with its And reduce sealing effect.

Detailed description of the invention

Fig. 1 is the explosive view for sealing nozzle；

Fig. 2 is rotary column and the structural schematic diagram to ring；

Fig. 3 is the explosive view one of gland；

Fig. 4 is the bottom view of gland；

Fig. 5 is the explosive view two of gland；

Fig. 6 is the cross-sectional view for sealing nozzle；

Fig. 7 is partial enlarged view of the Fig. 6 at A.

Appended drawing reference: 1, jet pipe；11, section is even starched；111, screw thread is installed；12, construction section；13, casing section；131, loudspeaker Mouthful；2, outer tube；21, long gap；22, short gap；3, component is compressed；31, external screw thread；32, pressing sleeve；321, rotary column；3211, interior spiral shell Line；322, ring is supported；323, reinforcement part；4, gland；41, mainboard；411, caulking groove；412, it is coordinated gap；413, mouth is slided；42, secondary Plate；421, it is coordinated notch；422, side is compressed；43, sealing ring；431, long seal section；4311, setting strip；432, short seal section； 4321, mating groove；424, guide pad；44, it is coordinated ring；441, raised；45, it is coordinated annular groove；451, main coordination arc slot；452, pair is matched Position arc slot；5, Chang Dao；51, injected hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Fig. 1, Special seal nozzle is repaired in road in airport slip casting, including jet pipe 1, is mounted on supporting on jet pipe 1 Press component 3, the outer tube 2 and gland 4 covered outside jet pipe 1.Slip casting channel is had in jet pipe 1, the upper end has for conveying slurries Feed pipe for mortar connection installation screw thread 111, lower end have horn mouth 131.Jet pipe 1 it is directly upper along its axial length and under be divided into company Starch section 11, construction section 12 and casing section 13.

2 sets of outer tube outside casing section 13,2 material of outer tube is soft compared with 1 material of jet pipe, and flexible deformation can occur for compression.Outer tube 2 Side be provided with the long gap 21 for splitting its side along its axial direction.And the outside of the lower end of outer tube 2 and horn mouth 131 Offset and its side also have several short gap 22, the quantity of short gap 22 can according to the actual situation depending on, quantity is three herein, It is uniformly distributed around the axle center of quantity outer tube 2 together with long gap 21.

It compresses component 3 and is installed on construction section 12 comprising the external screw thread 31 in 12 outside of construction section is set and is covered and is being installed The pressing sleeve 32 being threadedly coupled outside section 12 and with external screw thread 31.

As shown in Fig. 2, pressing sleeve 32 is including covering the rotary column 321 outside construction section 12 and supporting ring 322.Rotary column 321 and support ring 322 are integrated, and the outside of 321 lower end of rotary column is fixed on to ring 322.The shape of rotary column 321 can this time be selected depending on actual conditions Hollow cylinder is taken convenient for manpower and is held.Rotary column 321 and the junction to ring 322 are additionally provided with the reinforcement part of hexagon simultaneously 323, rotary column 321 can be rotated by tools such as spanners.The inside upper section of rotary column 321 has and the matched internal screw thread of external screw thread 31 3211。

As shown in attached drawing 3 and attached drawing 4, gland 4 includes mainboard 41, subplate 42, coordination ring 44 and sealing ring 43.

Subplate 42 is fan-shaped, and the center point is the coordination notch 421 of an arc.Mainboard 41 is rounded, in face be provided with to The deep caulking groove 411 of its center point.The shape of caulking groove 411, the thickness along 41 axle center of mainboard and subplate 42 match, subplate 42 Caulking groove 411 can be pushed into and offseted with the wall surface of caulking groove 411.The upper surface of mainboard 41 is provided with coordination gap from its edge to the center point 412, one end that coordination gap 412 is located at the inside of mainboard 41 is located at the center of mainboard 41, and behind push-in caulking groove 411 of subplate 42 its It matches to form through hole with coordination notch 421.Referring to attached drawing 7, through hole can with fit on the outside of casing section 13.

As shown in attached drawing 3 and attached drawing 4, side 422 is compressed with arc on the bottom surface of subplate 42, compresses the circle on side 422 The heart is overlapped with the center of circle of subplate 42, and the both ends for compressing side 422 are flushed with the two sides of subplate 42.The bottom surface of mainboard 41 is embedding The lower section of slot 411 is provided with sliding mouth 413, and sliding mouth 413 is fan-shaped, and central angle is equal with the central angle for compressing side 422.Work as pair When plate 42 is pushed completely into caulking groove 411, two sides of the both ends on side 422 and sliding mouth 413 are compressed to supporting.

Sealing ring 43 divides to be fixed on the short sealing of the long seal section 431 of 41 bottom surface of mainboard with the bottom surface for being fixed on subplate 42 Section 432, and long seal section 431 and short seal section 432 are arc.

Side of the short seal section 432 far from its center of circle is bonded completely with the side for compressing side 422 towards the center of circle, and short close The both ends of envelope section 432 are flushed with the two sides for compressing side 422.The equal band in side in both ends towards its center of circle of short seal section 432 is matched Slot 4321 is closed, mating groove 4321 is arc-shaped and has along its circumferentially extending setting.

The center of circle of long seal section 431 is overlapped with the center of circle of mainboard 41, and both ends extend to the two sides of sliding mouth 413.And There is a setting strip 4311 at the both ends of long seal section 431 to being extended below sliding mouth 413 along its circumferential direction, setting strip 4311 and cooperation Slot 4321 can fit cooperation.

As shown in attached drawing 3 and attached drawing 5, guide pad 424, the shape and coordination of guide pad 424 are had on 42 upper surface of subplate 412 phase of gap is agreed with, and when subplate 42 is pushed into caulking groove 411, the upper surface of guide pad 424 is flushed with the upper surface of mainboard 41.Work as pair Plate 42 is pushed into during caulking groove 411, and the two sides of guide pad 424 and the two sides of coordination gap 412 offset and play guiding role, is convenient for Subplate 42 is pushed into sliding slot；After subplate 42 is pushed into sliding slot, guide pad 424 is stuck in coordination gap 412, prevents subplate 42 from sending out Raw shake causes long seal section 431 and short seal section 432 that dislocation is cooperated to reduce leakproofness.

As shown in Fig. 5, coordination ring 44 is an annulus,.It is coordinated on the upper end anchor ring of ring 44 and has several raised 441.Match Position ring 44 diameter can according to the actual situation depending on, the half of a diameter of mainboard 41 herein.

The main coordination arc slot 451 of arc, the center of circle of main coordination arc slot 451 and mainboard 41 are had on the upper surface of mainboard 41 The center of circle is overlapped.Secondary coordination arc slot 452, the center of circle of pair coordination arc slot 452 and subplate 42 are had on the upper surface of guide pad 424 The center of circle is overlapped.When subplate 42 is pushed completely into caulking groove 411, main coordination arc slot 451 can align cooperation shape with secondary coordination arc slot 452 At coordination 44 slot of ring, the height of coordination 44 slot of ring is less than coordination ring 44.It is coordinated in embeddable 44 slot of coordination ring in lower end of ring 44, So that subplate 42 and mainboard 41 position, prevent subplate 42 from deviating from when sealing nozzle installation or use to outside sliding slot.

The application method and working principle of the utility model:

Referring to attached drawing 6 and attached drawing 7,

1. first the jet pipe 1 for being cased with outer tube 2 is put into hole, by 41 sets of the mainboard outsides in jet pipe 1, from the another of jet pipe 1 Side subplate 42 is pushed into caulking groove 411, and coordination notch 421 and coordination gap 412 support the outside that patch clamps jet pipe 1, makes gland 4 It covers outside jet pipe 1；

2. being embedded in coordination ring 44 to coordination 44 slot of ring；

3. foot slams gland 4, above mentions jet pipe 1 and tense；

It is moved down 4. rotation rotary column 321 drives to ring 322, compresses the upper end of coordination ring 44, may be used also according to the actual situation Pressing sleeve 32 is rotated using tool, compresses it further, 441 part of protrusion for being coordinated the upper surface of ring 44 is fallen into in ring 322, And then it prevents from loosening during slip casting because of vibration；

5. slip casting；

6. slip casting finishes the upper end for sealing slip casting channel with cork, to grout cures；

It is moved up 7. rotation rotary column 321 drives to ring 322, remove coordination ring 44 and extracts subplate 42 out, remove mainboard 41, The it is proposed of outer tube 2 for exposing 5 top surface of field road is clamped with pliers, then is promoted the dismounting of nozzle steel pipe and be can be completed.

During the installation process, when compressing gland 4 downwards to ring 322, coordination 44 stress of ring compresses subplate 42 and mainboard 41； The synchronous pushing of the compression drive subplate 42 of mainboard 41, the compression of subplate 42 compress mainboard 41 and synchronize pushing, thus prevent mainboard 41 and pair The leakproofness that run-off the straight or dislocation reduce gland 4 when being pressurized between plate 42 reduces.The injected hole 51 got on field road 5 simultaneously Its axial direction there may be inclination or the 51 upper end aperture road Wai Chang of injected hole, 5 surface may not be horizontal, will lead to gland 4 and be fitted in 4 upper surface of gland is inclined when on the surface of place, matches cyclization by compressing, can be by pressure uniform conductive to mainboard 41 and pair Plate 42 avoids directly compressing inclined mainboard 41 or subplate 42 to ring 322, to prevent another opposite compared with its in the side of gland 4 Side tilts and reduces sealing effect.

43 inside pressure of sealing ring increases during slip casting, so that setting strip 4311 supports mating groove 4321 outward, simultaneously It compresses side 422 and limits the outside displacement of mating groove 4321, it is vertical that mating groove 4321 is further supported in the end of setting strip 4311 The circumferential cell wall of short seal section 432, and then reinforce sealing effect.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. road in airport slip casting repair Special seal nozzle, including jet pipe (1), be mounted on jet pipe (1) compress component (3), Cover outer tube (2) and gland (4) outside in jet pipe (1), which is characterized in that it is described compress component (3) can it is fixed with jet pipe (1) and to Under compress gland (4), the gland (4) includes mainboard (41), subplate (42) and sealing ring (43), and mainboard (41) side is set There is the caulking groove (411) that for subplate (42) slide-in and shape and subplate (42) are agreed with, the mainboard (41) is above caulking groove (411) It is provided with the coordination gap (412) extended from edge to center, the coordination gap (412) is through mainboard (41) and coordination gap (412) one end positioned at mainboard (41) center can be bonded with the outside of jet pipe (1), subplate (42) insertion caulking groove (411) With the coordination notch (421) that can be bonded with the outside of jet pipe (1) on side, the sealing ring (43), which is divided into, is fixed on mainboard (41) the long seal section (431) of bottom surface and be fixed on subplate (42) bottom surface short seal section (432), the mainboard (41) insert Trench bottom is provided with the sliding mouth (413) mobile in it for short seal section (432).

2. Special seal nozzle is repaired in road in airport slip casting according to claim 1, which is characterized in that the subplate (42) Guide pad (424) are had on upper surface, the two sides that the guide pad (424) supports patch coordination gap (412) slide into coordination gap (412) in.

3. Special seal nozzle is repaired in road in airport slip casting according to claim 1, which is characterized in that the long seal section (431) side of the both ends far from the center of circle has setting strip (4311), and the both ends of the short seal section (432) are towards the center of circle Side has the mating groove (4321) that can mutually agree with setting strip (4311), and subplate (42) bottom is provided with and short sealing Section (432) both ends be affixed far from center of circle side and limit mating groove (4321) deform compress side (422).

4. Special seal nozzle is repaired in road in airport slip casting according to claim 3, which is characterized in that described to compress side (422) it is bonded completely with short seal section (432) far from center of circle one side.

5. Special seal nozzle is repaired in road in airport slip casting according to claim 1, which is characterized in that the gland (4) Including being coordinated ring (44), coordination ring (44) slot mutually agreed with coordination ring (44) is provided on gland (4) upper surface, it is described The secondary coordination arc slot that coordination ring (44) slot is divided into the main coordination arc slot (451) on mainboard (41) and is located on subplate (42) (452)。

6. Special seal nozzle is repaired in road in airport slip casting according to claim 5, which is characterized in that described to compress component (3) described including the external screw thread (31) being arranged on jet pipe (1) lateral surface and the pressing sleeve (32) being threadedly coupled with external screw thread (31) The lower end of pressing sleeve (32) can be abutted against with gland (4).

7. Special seal nozzle is repaired in road in airport slip casting according to claim 6, which is characterized in that the coordination ring (44) height is higher than coordination ring (44) slot, and the outside of pressing sleeve (32) lower end, which has, supports ring (322), described to support ring (322) Bottom surface can offset with the upper end of cyclization.

8. Special seal nozzle is repaired in road in airport slip casting according to claim 7, which is characterized in that the coordination ring (44) with several raised (441) on upper end anchor ring.