CN214832686U

CN214832686U - Filling nozzle of high-pressure grouting equipment

Info

Publication number: CN214832686U
Application number: CN202022978982.5U
Authority: CN
Inventors: 袁亮
Original assignee: Shanghai Youhai Construction Engineering Co ltd
Current assignee: Shanghai Youhai Construction Engineering Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-11-23
Anticipated expiration: 2030-12-09

Abstract

The utility model belongs to the technical field of the concrete grout and specifically relates to a irritate mouth of high pressure grouting equipment is related to, and it includes conveying pipeline, a plurality of shower nozzle, be provided with a plurality of mounting holes on the conveying pipeline lateral wall, still detachably be connected with the mount pad on the mounting hole, set up the mounting groove that is used for intercommunication shower nozzle and conveying pipeline on the mount pad, still be provided with on the mounting hole and demolish behind the mount pad and be used for the sealed lid of mounting hole sealed. This application has the effect that promotes high-pressure injection grouting equipment grout effect.

Description

Filling nozzle of high-pressure grouting equipment

Technical Field

The application relates to the field of concrete grouting, in particular to a grouting nozzle of high-pressure grouting equipment.

Background

The high-pressure grouting equipment is used for seepage prevention and reinforcement of a soft soil layer. The grouting pipe with the grouting nozzle is lowered to a preset position through drilling, then the high-pressure slurry pump is used for spraying the slurry out through the grouting nozzle, the soil is impacted and damaged, soil particles and the slurry are stirred and mixed, and a solidification body with a certain shape is formed in the soil after re-solidification.

Chinese utility model patent "a high-pressure injection grouting system for earth and rockfill dam grout" with grant bulletin number CN205530144U provides a high-pressure injection grouting system for earth and rockfill dam grout, including the slurrying machine, the slush pump, the high-pressure pump, defeated thick liquid pipe, the thick liquid container, air compressor machine and water pump, the slurrying machine, the thick liquid container, slush pump, high-pressure pump series connection in proper order is on defeated thick liquid pipe, the high-pressure pump export downwardly connected with the slip casting pipe, slip casting pipe lower extreme exit linkage has the shower nozzle, the shower nozzle includes the shower nozzle body, be equipped with the grout spraying mouth that is linked together with slip casting passageway lower extreme on the conical surface of shower nozzle body both sides respectively. During actual construction, slurry is pumped out of the slurry storage container, passes through the grouting pipe and is sprayed out from the spray head to perform grouting on a soft soil layer.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that when actual construction requires that slurry and soil particles are sufficiently mixed to improve the strength of a reinforcing layer, since a single nozzle is inserted into a drilled hole for grouting, the number and the angle of slurry outlets of the grouting nozzles are single, it is difficult to sufficiently mix the slurry and the soil particles through the slurry jetted at a single angle, and the strength of the reinforcing layer formed after the slurry and the soil particles are mixed and solidified may be reduced, so that the grouting effect of high-pressure grouting equipment is limited.

SUMMERY OF THE UTILITY MODEL

In order to promote the grout effect of high pressure injection grouting equipment, this application provides a high pressure grouting equipment's irritate mouth.

The application provides a high pressure grouting equipment's irritate mouth adopts following technical scheme:

the utility model provides a irritate mouth of high pressure grouting equipment, includes conveying pipeline, a plurality of shower nozzle, be provided with a plurality of mounting holes on the conveying pipeline lateral wall, still can dismantle on the mounting hole and be connected with the mount pad, set up the mounting groove that is used for intercommunication shower nozzle and conveying pipeline on the mount pad, still be provided with on the mounting hole and demolish the sealed lid that is used for sealing up the mounting hole behind the mount pad.

Through adopting above-mentioned technical scheme, need be with the soil grain and the mud homogeneous mixing of a plurality of directions in the weak soil layer as actual construction, when forming firm back up coat, the engineer can install a plurality of shower nozzles additional on the mount pad of conveying pipeline lateral wall, adds the injection direction back of shower nozzle, irritates the mouth and can grout at a plurality of angles, and then realizes the soil grain and the mud homogeneous mixing's of a plurality of directions in the soil layer effect, satisfies the construction demand. In addition, because a plurality of shower nozzles multi-angle are grouted simultaneously, also improved the grout quality when improving work efficiency.

Optionally, one end of the delivery pipe, which is far away from the slurry storage container, is provided with an internal thread for the spray head to be in threaded connection.

By adopting the technical scheme, the spray head can be fixed at one end of the conveying pipe and sprays slurry along the axial direction of the conveying pipe. Because shower nozzle threaded connection is in the conveying pipeline, reduce the shower nozzle because connect unstable probability of deviating from the conveying pipeline, and the shower nozzle is easily installed, engineering personnel with the screw end screw in of shower nozzle conveying pipeline have the one end of internal thread can, easy operation.

Optionally, the spray head is sleeved with a sealing ring, the spray head is further sleeved with a first sealing ring inside the sealing ring, and the outer wall of the conveying pipeline and the outer wall of the mounting seat are both provided with external threads for threaded connection of the sealing ring.

Through adopting above-mentioned technical scheme, because shower nozzle threaded connection is in the conveying pipeline, probably there is the condition of mud seepage. After the sealing ring is sleeved on the spray head, the condition that slurry leaks from the joint of the spray head and the conveying pipe and the joint of the spray head and the mounting seat can be effectively reduced. When the spray head on the outer wall of the conveying pipeline is installed, the sealing ring is sleeved on the spray head, and after the spray head is installed on the installation seat, one end, away from the spray head, of the sealing ring is sleeved and connected with the installation seat in a threaded mode; when the spray head at one end of the conveying pipe is installed, one end, far away from the spray head, of the sealing ring is sleeved and connected with the conveying pipe in a threaded mode. After the sealing ring is arranged, the probability of slurry leakage when the slurry passes through the joint of the delivery pipe and the spray head is reduced, and the cost is further saved.

Optionally, the mounting seat is provided with an internal thread in the mounting groove for the nozzle to be connected with the thread.

Through adopting above-mentioned technical scheme, when need strengthen the intensity of the interior horizontal soil layer of weak soil layer in the actual operation, the engineer can install shower nozzle circumference on the conveying pipeline lateral wall, and then increased the angle that mud jetted out for the interior soil grain of horizontal soil layer obtains the reinforcing with mud mixed effect and strengthens, and the back strengthening layer intensity that forms is mixed with mud to the soil grain is higher.

Optionally, a fastening bolt is arranged on the mounting seat, and the fastening bolt sequentially penetrates through the mounting seat and the conveying pipeline.

Through adopting above-mentioned technical scheme, mount pad demountable installation is at the conveying pipeline outer wall. During operation, if the spray head is not required to be installed on the installation seat, the fastening bolt on the installation seat can be screwed off, so that the installation seat is disassembled, and the space occupied by the material conveying pipe is reduced. Because the mounting seat is in threaded connection with the material conveying pipe, the mounting and dismounting method is simple and convenient to operate.

Optionally, one end of the sealing cover, which is close to the material conveying pipe, is provided with a threaded column in threaded connection with the mounting hole.

By adopting the technical scheme, when the spray head is not arranged at one end of the mounting hole and one end of the conveying pipe, an engineer can seal the mounting hole and one end of the conveying pipe by using the sealing cover. When the nozzle for grouting is used for operation, the sealing cover is arranged through the cover, the leakage of slurry from other through holes is reduced, and the reliability of the nozzle during operation is improved.

Optionally, the cover is equipped with the second sealing washer on the closing cap, the conveying pipeline supplies first seal groove has been seted up to the one end that the shower nozzle is connected, the conveying pipeline periphery wall seted up with the second seal groove of the coaxial setting of mounting hole and intercommunication, the second seal groove with the mounting hole forms the counter sink.

Through adopting above-mentioned technical scheme, because all be provided with the second sealing washer between sealed lid and the mounting hole, between sealed lid and the conveying pipeline one end for the condition that mud was revealed reduces, improves and irritates mouth grouting efficiency, increases and irritates mouth structural reliability.

Optionally, a screwing block is arranged on the end face, away from the mounting hole, of the sealing cover.

Through adopting above-mentioned technical scheme, when the sealed lid of engineering personnel installation or dismantlement, can clip and twist the piece, twist sealed lid from the mounting hole or from conveying pipeline one end and go out, simple structure, the operation of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a filling nozzle of high-pressure grouting equipment is provided with a plurality of detachable nozzles, so that the filling nozzle is provided with a plurality of slurry outlets, grouting can be performed from a plurality of slurry outlet directions, the nozzles can operate simultaneously in an actual construction environment, and soil particles and slurry in a reinforcing range are fully mixed by the slurry sprayed out in the horizontal circumferential direction and the slurry sprayed out in the axial direction of a conveying pipe, so that the strength of a reinforcing layer is improved, and the grouting effect of the high-pressure jet grouting equipment is improved;

2. the outer wall of the conveying pipe is provided with a detachable mounting seat, and when the spray nozzle is not arranged on the mounting seat, the mounting seat can be detached, so that the space occupied by the filling nozzle is saved, the structure of the filling nozzle is lighter, and the filling nozzle can be conveniently operated by engineering personnel to fill the grout;

3. one end of the conveying pipe and the mounting hole of the conveying pipe are provided with sealing covers, so that an engineer can control the opening and closing of the grout outlet, operation modes such as single-port unidirectional grout outlet, multi-port multidirectional grout outlet and the like are provided, and the grouting nozzle can meet different engineering construction requirements.

Drawings

Fig. 1 is a schematic structural diagram of a nozzle on a high-pressure grouting device.

FIG. 2 is a schematic view of the feed conveyor pipe.

FIG. 3 is an exploded view of the nozzle attached to one end of a feed delivery pipe.

Fig. 4 is an exploded view of the spray head attached to the mounting cup.

Fig. 5 is a schematic structural view of the mount.

Fig. 6 is a schematic view of the structure of the sealing cap.

FIG. 7 is an exploded view of the attachment of a sealing cap to the side wall of a feed conveyor pipe.

Description of reference numerals: 1. a delivery pipe; 2. a spray head; 3. a sealing cover; 4. a mounting seat; 5. a first seal groove; 6. mounting holes; 7. a second seal groove; 8. mounting a sheet; 9. mounting blocks; 10. tightening the bolt; 11. a through hole; 12. mounting grooves; 13. a seal ring; 14. a first collar; 15. a second collar; 16. a first seal ring; 17. a threaded post; 18. a second seal ring; 19. a groove; 20. and (6) screwing the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a nozzle of high-pressure grouting equipment. Referring to fig. 1, the nozzle of the high pressure grouting apparatus includes a material conveying pipe 1, a plurality of nozzles 2, and a plurality of sealing covers 3. When the high-pressure grouting equipment works, slurry flows through the material conveying pipe 1 and is ejected out of the spray head 2, and grouting operation is carried out.

Referring to fig. 1 and 2, a mounting seat 4 and a sealing cover 3 are detachably mounted on a material conveying pipe 1. The inner wall of one end of the material conveying pipe 1 is provided with an internal thread for the threaded connection of the spray head 2. The conveying pipeline 1 is provided with the first seal groove 5 of internal screw thread one end, and the 5 internal diameters of first seal groove are less than 1 external diameter of conveying pipeline and 5 internal diameters of first seal groove are greater than 1 internal diameter of conveying pipeline. One end of the outer wall of the material conveying pipe 1 close to the spray head 2 is provided with three mounting holes 6 which are uniformly distributed in the circumferential direction. The inner wall of the mounting hole 6 is provided with an internal thread, the outer peripheral wall of the conveying pipeline 1 is provided with a second sealing groove 7 which is coaxially arranged with the mounting hole 6, and the mounting hole 6 and the second sealing groove 7 form a counter bore.

Referring to fig. 1 and 5, three mounting seats 4 are uniformly distributed on the outer wall of the material conveying pipe 1 in the circumferential direction, each mounting seat 4 comprises a mounting piece 8 and a mounting block 9 welded on the mounting piece 8 and far away from the end face of the material conveying pipe 1, and the mounting piece 8 is in an arc shape abutting against the end face of the outer wall of the material conveying pipe 1.

Referring to fig. 1 and 4, mount pad 4 is fixed on conveying pipeline 1 outer wall through holding up bolt 10, and holding up bolt 10 is provided with two and symmetrical distribution on the terminal surface of conveying pipeline 1 is kept away from at mounting plate 8, has seted up through-hole 11 on the mounting plate 8, and through-hole 11 is worn to locate by holding up bolt 10, and threaded connection is in conveying pipeline 1, and the one end that holding up bolt 10 kept away from mounting plate 8 does not pierce through conveying pipeline 1 outer wall. Mounting groove 12 has been seted up on the terminal surface that installation piece 8 was kept away from to installation piece 9, and installation groove 12 link up installation piece 9 and installation piece 8 in proper order, and mounting groove 12 and mounting hole 6 intercommunication, and mounting groove 12 internal diameter equals 1 internal diameter of conveying pipeline, and the 12 inner walls in mounting groove still are provided with the internal thread that supplies 2 threaded connection of shower nozzle.

Referring to fig. 3, a sealing ring 13 is sleeved on the nozzle 2, the sealing ring 13 comprises a first sleeve ring 14, a second sleeve ring 15 and a first sealing ring 16, the first sleeve ring 14 is sleeved on the nozzle 2, an inner thread is arranged on the inner wall of the second sleeve ring 15, the sealing ring 13 is respectively in threaded connection with the feed delivery pipe 1 and the mounting seat 4, and the first sleeve ring 14 and the second sleeve ring 15 are coaxially arranged and integrally formed. When the sealing ring 13 is sleeved on the nozzle 2, the first sealing ring 16 is placed at one end of the second sleeve ring 15 close to the first sleeve ring 14, then the nozzle 2 is screwed into one end of the feed delivery pipe 1 or the mounting groove 12 of the mounting seat 4, so that the second sleeve ring 15 is sleeved on one end of the feed delivery pipe 1 or the mounting hole 6, the second sleeve ring 15 is screwed on one end of the feed delivery pipe 1 or the mounting hole 6, and the first sealing ring 16 is abutted against the end surface of the feed delivery pipe 1 or the mounting hole 6.

Referring to fig. 6 and 7, a threaded column 17 is welded at one end of the sealing cover 3, and a second sealing ring 18 is sleeved on the threaded column 17.

Referring to fig. 3 and 6, when the sealing cover 3 is screwed on one end of the feed delivery pipe 1, the second sealing ring 18 is located in the first sealing groove 5, and the second sealing ring 18 respectively abuts against the inner wall of the first sealing groove 5 and the end face of the sealing cover 3 provided with the threaded post 17;

referring to fig. 6 and 7, when the sealing cover 3 is screwed on the mounting hole 6, the second sealing ring 18 is located in the second sealing groove 7, and the second sealing ring 18 abuts against the inner wall of the second sealing groove 7 and the end face of the sealing cover 3 provided with the threaded post 17, respectively.

Referring to fig. 6, two grooves 19 are opened on the end surface of the sealing cover 3 away from the threaded column 17, and a screw block 20 is formed between the two grooves 19. When the engineer installs or removes the sealing cap 3, the worker can grip the screwing block 20 to screw the sealing cap 3.

Referring to fig. 1, during the operation of engineering personnel, the nozzle 2 connected to the side wall of the material conveying pipe 1 can also pass through a drill hole, and after the filling nozzle enters the drill hole, the engineering personnel can block the gap between the drill hole and the material conveying pipe 1, so that the condition that slurry overflows from the drill hole is reduced.

The implementation principle of the nozzle of the high-pressure grouting equipment in the embodiment of the application is as follows: the engineering personnel insert a plurality of spray heads 2 into one end of the feed delivery pipe 1 or the mounting groove 12 of the mounting seat 4 by screw thread. Because the spray head 2 is sleeved with the sealing ring 13 in advance, the sealing ring 13 can be directly screwed on one end of the feed delivery pipe 1 or the mounting seat 4 after the spray head 2 is inserted into one end of the feed delivery pipe 1 or the mounting groove 12 of the mounting seat 4 in a threaded manner. The engineer can unscrew the fastening bolt 10 from the mount 4, on which the head 2 is not to be mounted, to detach the mount 4. The mounting hole 6 without the spray head 2 or one end of the feed delivery pipe 1 is sealed by covering a sealing cover 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high pressure grouting equipment's irritate mouth which characterized in that: including conveying pipeline (1), a plurality of shower nozzle (2), be provided with a plurality of mounting holes (6) on conveying pipeline (1) lateral wall, still can dismantle on mounting hole (6) and be connected with mount pad (4), set up mounting groove (12) that are used for intercommunication shower nozzle (2) and conveying pipeline (1) on mount pad (4), still be provided with on mounting hole (6) and demolish mounting pad (4) back and be used for sealed lid (3) with mounting hole (6) are sealed.

2. The nozzle of a high pressure grouting apparatus as claimed in claim 1, wherein: one end of the material conveying pipe (1) far away from the slurry storage container is provided with an internal thread for the spray head (2) to be in threaded connection.

3. The nozzle of a high pressure grouting apparatus as claimed in claim 2, wherein: the utility model discloses a feeding device, including shower nozzle (2), shower nozzle (2) go up the cover and are equipped with sealing ring (13), shower nozzle (2) are still overlapped in sealing ring (13) inside and are equipped with first sealing washer (16), conveying pipeline (1) outer wall with mount pad (4) outer wall all is provided with the confession sealing ring (13) threaded connection's external screw thread.

4. The nozzle of a high pressure grouting apparatus as claimed in claim 1, wherein: the mounting seat (4) is provided with an internal thread for the threaded connection of the spray head (2) in the mounting groove (12).

5. The nozzle of a high pressure grouting apparatus as claimed in claim 1, wherein: the mounting seat (4) is provided with a fastening bolt (10), and the fastening bolt (10) sequentially penetrates through the mounting seat (4) and the conveying pipeline (1).

6. The nozzle of a high pressure grouting apparatus as claimed in claim 1, wherein: one end, close to the conveying pipeline (1), of the sealing cover (3) is provided with a threaded column (17) in threaded connection with the mounting hole (6).

7. The nozzle of a high pressure grouting device as claimed in claim 6, wherein: the cover is equipped with second sealing washer (18) on sealed lid (3), conveying pipeline (1) supplies first seal groove (5) have been seted up to the one end that shower nozzle (2) are connected, conveying pipeline (1) periphery wall seted up with second seal groove (7) of coaxial setting of mounting hole (6) and intercommunication, second seal groove (7) with mounting hole (6) form the counter bore.

8. The nozzle of a high pressure grouting apparatus as claimed in claim 7, wherein: and a screwing block (20) is arranged on the end face, far away from the mounting hole (6), of the sealing cover (3).