CN217873526U - Sealing element with high sealing performance for shield machine - Google Patents
Sealing element with high sealing performance for shield machine Download PDFInfo
- Publication number
- CN217873526U CN217873526U CN202221349236.2U CN202221349236U CN217873526U CN 217873526 U CN217873526 U CN 217873526U CN 202221349236 U CN202221349236 U CN 202221349236U CN 217873526 U CN217873526 U CN 217873526U
- Authority
- CN
- China
- Prior art keywords
- annular
- piston rod
- pipe
- water
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a high sealing performance shield constructs machine sealing member, comprising a cylinder body, be provided with the piston rod on the cylinder body, the fixed cover of surface of cylinder body is equipped with the sealing pipe box, fixedly connected with sewage direction ring body on the inner wall of sealing pipe box, frame is placed to annular water pipe, ring baffle, annular trachea and annular that has set gradually from the right side to a left side on the inner wall of sewage direction ring body. The utility model sprays water to the piston rod through the water spray nozzle, thereby realizing the cleaning of the impurities attached to the piston rod; blow to the piston rod through the gas outlet to the realization is blown the partial water stain on piston rod surface and is fallen, adsorbs the remaining partial water stain in piston rod surface through the sponge that absorbs water, has realized carrying out cleaning to piston rod surface adsorption's impurity, avoids the piston rod surface to adsorb and has a large amount of impurity, and then can reduce the friction of piston rod between flexible in-process and cylinder body, and can reduce and seal up the friction between the pad.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, especially relates to a high sealing performance shield constructs machine sealing member.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a "shield" (referred to as a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method. Generalized shield tunneling machines may also be used in rock formations, as distinguished from open (non-shield) tunnel boring machines.
The sealing element is arranged between the piston rod and the cylinder body of the driving cylinder of the existing shield machine, but the sealing element is only sealed through a rigid structure, the sealing effect is poor, dirt and impurities attached to the surface of the piston rod are not convenient to clean, abrasion between the piston rod and the cylinder body is easily caused, a sealing gasket is easily abraded, the service life of the driving cylinder is shortened, and the maintenance frequency is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a sealing element for a shield machine with high sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high sealing performance shield constructs machine sealing member, includes the cylinder body, be provided with the piston rod on the cylinder body, the fixed cover of surface of cylinder body is equipped with sealed pipe box, fixedly connected with sewage direction ring body on the inner wall of sealed pipe box, frame is placed to annular water pipe, ring baffle, annular trachea and annular from the right side to left side having set gradually on the inner wall of sewage direction ring body, the last fixed intercommunication of annular water pipe has a plurality of water sprayhead, a plurality of venthole has been seted up on the annular trachea, the inside that the frame was placed to the annular is provided with the sponge that absorbs water, the annular device groove has been seted up to sewage direction ring body, the equal fixedly connected with extrusion subassembly in top and the bottom of annular device inslot wall.
The high-pressure water flow is conveyed into the annular water storage cavity through the water conveying pipe, then the high-pressure water flow is conveyed into the annular water pipe through the connecting pipe and sprayed to the piston rod through the water spraying nozzle, and therefore the impurities attached to the piston rod are cleaned; carry external high-pressure gas to annular trachea inside and blow to the piston rod through the venthole through the gas-supply pipe, thereby realize blowing the partial water stain on piston rod surface, adsorb the remaining partial water stain on piston rod surface through the sponge that absorbs water, thereby realized carrying out cleaning to piston rod surface adsorption's impurity, thereby can avoid piston rod surface adsorption to have a large amount of impurity, and then can reduce the friction of piston rod between flexible in-process and cylinder body, and can reduce and seal up the friction between the pad, thereby can improve the life who drives actuating cylinder, the maintenance number of times has been reduced.
The sewage guide ring body is arranged to guide the water flow sprayed from the water spray nozzle and the water blown off from the piston rod to be discharged to the outside of the sealing pipe sleeve.
As a further description of the above technical solution:
the annular baffle is fixedly connected to the sewage guide ring body through a support frame.
As a further description of the above technical solution:
the extrusion subassembly includes fixed frame, fixed frame fixed connection is in the inside in annular device groove, the top fixedly connected with electro-magnet of fixed frame inner wall, just sliding connection has the permanent magnet between the both sides of fixed frame inner wall, the bottom fixedly connected with squeeze bar of permanent magnet, the one end that the permanent magnet was kept away from to the squeeze bar runs through and extends to the outside of fixed frame, the squeeze bar extends to the semi-circular extrusion piece of one end fixedly connected with of fixed frame outside.
Through circular telegram with the electro-magnet, the electro-magnet produces magnetism, and the magnetic pole with the permanent magnet opposite face is the same, and then repels the permanent magnet, and the permanent magnet removes and drives the stripper bar and remove, and the stripper bar removes and drives semi-circular extrusion piece and extrudees the sponge that absorbs water to can extrude the absorbent water on the sponge that absorbs water, thereby can improve the effect of absorbing water of the sponge that absorbs water.
As a further description of the above technical solution:
the bottom of the electromagnet is fixedly connected with a rubber block.
The permanent magnet and the electromagnet can be buffered by the aid of the rubber blocks, so that the permanent magnet is prevented from being cracked due to collision with the electromagnet, and the service life of the electromagnet and the service life of the permanent magnet can be prolonged.
As a further description of the above technical solution:
an annular supporting block is fixedly connected to the inner wall of the sealing pipe sleeve and located on the left side of the sewage guide ring body, and sealing gaskets are arranged among the annular supporting block, the piston rod and the cylinder body.
As a further description of the above technical solution:
the sealing pipe is characterized in that an annular water storage cavity is formed in the sealing pipe sleeve, the annular water storage cavity is communicated with an annular water pipe through a connecting pipe, the annular water storage cavity is communicated with an external high-pressure water supply pipe through a water delivery pipe, and the annular air pipe is communicated with an external high-pressure air pipe through an air delivery pipe.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the sealing element for the shield machine with high sealing performance conveys outside high-pressure water flow into the annular water storage cavity through the water conveying pipe, and then the high-pressure water flow is conveyed into the annular water pipe through the connecting pipe and sprayed to the piston rod through the water spraying nozzle, so that impurities attached to the piston rod are cleaned; carry external high-pressure gas to annular trachea inside and blow to the piston rod through the venthole through the gas-supply pipe, thereby realize blowing the partial water stain on piston rod surface, adsorb the remaining partial water stain on piston rod surface through the sponge that absorbs water, thereby realized carrying out cleaning to piston rod surface adsorption's impurity, thereby can avoid piston rod surface adsorption to have a large amount of impurity, and then can reduce the friction of piston rod between flexible in-process and cylinder body, and can reduce and seal up the friction between the pad, thereby can improve the life who drives actuating cylinder, the maintenance number of times has been reduced.
2. Compared with the prior art, this high sealing performance shield constructs machine sealing member, through the electro-magnet circular telegram, the electro-magnet produces magnetism, and the same with the magnetic pole of permanent magnet opposite face, and then repels the permanent magnet, and the permanent magnet removes and drives the extrusion stem removal, and the extrusion stem removes and drives semi-circular extrusion piece and extrudees the sponge that absorbs water to can extrude the absorbent water on the sponge that absorbs water, thereby can improve the effect that absorbs water of sponge.
Drawings
Fig. 1 is an elevational sectional view of an overall structure of a sealing member for a shield tunneling machine with high sealing performance according to the present invention;
fig. 2 is a side sectional view of a fixing frame of a sealing element for a shield tunneling machine with high sealing performance according to the present invention;
fig. 3 is an enlarged view of a point a in fig. 1.
Illustration of the drawings:
1. a cylinder body; 2. a piston rod; 3. sealing the pipe sleeve; 4. a sewage guide ring body; 5. an annular water pipe; 6. an annular baffle; 7. an annular air pipe; 8. an annular placement frame; 9. a water spray nozzle; 10. an air outlet; 11. a water-absorbing sponge; 12. a ring device slot; 13. a support frame; 14. a fixing frame; 15. an electromagnet; 16. a permanent magnet; 17. an extrusion stem; 18. a semicircular extrusion block; 19. a rubber block; 20. an annular support block; 21. a gasket; 22. an annular water storage cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a pair of high leakproofness can shield constructs machine sealing member: including cylinder body 1, be provided with piston rod 2 on cylinder body 1, the outer fixed surface cover of cylinder body 1 is equipped with sealed pipe box 3, fixedly connected with sewage direction ring body 4 on the inner wall of sealed pipe box 3, annular water pipe 5 has set gradually from the right side to left side on the inner wall of sewage direction ring body 4, ring baffle 6, frame 8 is placed to annular trachea 7 and annular, fixed intercommunication has a plurality of water spout 9 on the annular water pipe 5, a plurality of venthole 10 has been seted up on the annular trachea 7, the inside that frame 8 was placed to the annular is provided with water absorption sponge 11, annular device groove 12 has been seted up to sewage direction ring body 4, the equal fixedly connected with extrusion subassembly in top and the bottom of annular device groove 12 inner wall, extrusion subassembly includes fixed frame 14, fixed frame 14 fixed connection is in the inside of annular device groove 12, the top fixedly connected with electro-magnet 15 of fixed frame 14 inner wall, the bottom fixedly connected with rubber block 19 of electro-magnet 15, and sliding connection has permanent magnet 16 between the both sides of fixed frame 14 inner wall, the bottom fixedly connected with extrusion pole 17 of permanent magnet 16, extrusion pole 17 runs through and extends to the outside of fixed frame 14, the one end fixedly connected with extrusion pole 18 that semicircular fixed frame 14 outside.
An annular water storage cavity 22 is formed in the sealing pipe sleeve 3, the annular water storage cavity 22 is communicated with the annular water pipe 5 through a connecting pipe, the annular water storage cavity 22 is communicated with an external high-pressure water supply pipe through a water delivery pipe, and the annular air pipe 7 is communicated with an external high-pressure air pipe through an air delivery pipe.
The annular baffle 6 is fixedly connected to the sewage guide ring body 4 through a support frame 13.
An annular supporting block 20 is fixedly connected to the inner wall of the sealing pipe sleeve 3 and positioned on the left side of the sewage guide ring body 4, and sealing gaskets 21 are arranged between the annular supporting block 20 and the piston rod 2 and between the annular supporting block 20 and the cylinder body 1.
The working principle is as follows: when the cleaning device works, when impurities attached to the surface of the piston rod 2 need to be cleaned, external high-pressure water flow is conveyed into the annular water storage cavity 22 through the water conveying pipe, and then the high-pressure water flow is conveyed into the annular water pipe 5 through the connecting pipe and sprayed to the piston rod 2 through the water spray nozzle 9, so that the impurities attached to the surface of the piston rod 2 are cleaned;
the washed piston rod 2 contracts, at the moment, outside high-pressure gas is conveyed into the annular air pipe 7 through the air conveying pipe and is blown to the piston rod 2 through the air outlet 10, so that partial water stains on the surface of the piston rod 2 are blown off, and finally, the remaining partial water stains on the surface of the piston rod 2 are adsorbed through the water-absorbing sponge 11, so that impurities adsorbed on the surface of the piston rod 2 are cleaned, a large amount of impurities can be prevented from being adsorbed on the surface of the piston rod 2, the friction between the piston rod 2 and the cylinder body 1 in the telescopic process can be reduced, the friction between the piston rod 2 and the sealing gasket 21 can be reduced, the service life of the driving cylinder can be prolonged, and the maintenance times can be reduced;
after the sponge 11 that absorbs water uses a period, through control switch with electro-magnet 15 circular telegram, electro-magnet 15 produces magnetism, and the magnetic pole the same with the 16 opposite faces of permanent magnet, and then repel permanent magnet 16, 16 removal of permanent magnet drive extrusion stem 17 remove, extrusion stem 17 removes and drives semi-circular extrusion piece 18 and extrudees the sponge 11 that absorbs water to can extrude the water that absorbs water on the sponge 11, thereby can improve the effect of absorbing water of sponge 11.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a high sealing performance shield constructs machine sealing member, includes cylinder body (1), its characterized in that: be provided with piston rod (2) on cylinder body (1), the outer fixed surface cover of cylinder body (1) is equipped with sealed pipe box (3), fixedly connected with sewage direction ring body (4) on the inner wall of sealed pipe box (3), frame (8) are placed to the inner wall of sewage direction ring body (4) from the right side to left side from having set gradually annular water pipe (5), ring baffle (6), annular trachea (7) and annular, fixed intercommunication has a plurality of water spout (9) on annular water pipe (5), a plurality of venthole (10) have been seted up on annular trachea (7), the inside that frame (8) were placed to the annular is provided with absorbent sponge (11), annular device groove (12) have been seted up in sewage direction ring body (4), the equal fixedly connected with extrusion subassembly in top and the bottom of annular device groove (12) inner wall.
2. The sealing element for the shield tunneling machine with high sealing performance according to claim 1, wherein: the annular baffle (6) is fixedly connected to the sewage guide ring body (4) through a support frame (13).
3. The sealing element for the shield tunneling machine with high sealing performance according to claim 1, wherein: the extrusion subassembly is including fixed frame (14), fixed frame (14) fixed connection is in the inside of annular device groove (12), the top fixedly connected with electro-magnet (15) of fixed frame (14) inner wall, just sliding connection has permanent magnet (16) between the both sides of fixed frame (14) inner wall, the bottom fixedly connected with squeeze bar (17) of permanent magnet (16), the one end that permanent magnet (16) were kept away from in squeeze bar (17) runs through and extends to the outside of fixed frame (14), squeeze bar (17) extend to the semi-circular extrusion piece (18) of one end fixedly connected with of fixed frame (14) outside.
4. The sealing element for the shield tunneling machine with high sealing performance according to claim 3, wherein: the bottom of the electromagnet (15) is fixedly connected with a rubber block (19).
5. The sealing element for the shield tunneling machine with high sealing performance according to claim 1, wherein: the sewage guide device is characterized in that an annular supporting block (20) is fixedly connected to the inner wall of the sealing pipe sleeve (3) and located on the left side of the sewage guide ring body (4), and a sealing gasket (21) is arranged between the annular supporting block (20) and the piston rod (2) and between the annular supporting block (20) and the cylinder body (1).
6. The sealing element for the shield tunneling machine with high sealing performance according to claim 1, wherein: the sealing pipe is characterized in that an annular water storage cavity (22) is formed in the sealing pipe sleeve (3), the annular water storage cavity (22) is communicated with the annular water pipe (5) through a connecting pipe, the annular water storage cavity (22) is communicated with an external high-pressure water supply pipe through a water delivery pipe, and the annular air pipe (7) is communicated with an external high-pressure air pipe through an air delivery pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349236.2U CN217873526U (en) | 2022-05-31 | 2022-05-31 | Sealing element with high sealing performance for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349236.2U CN217873526U (en) | 2022-05-31 | 2022-05-31 | Sealing element with high sealing performance for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873526U true CN217873526U (en) | 2022-11-22 |
Family
ID=84093495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221349236.2U Active CN217873526U (en) | 2022-05-31 | 2022-05-31 | Sealing element with high sealing performance for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873526U (en) |
-
2022
- 2022-05-31 CN CN202221349236.2U patent/CN217873526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105643383A (en) | Dust removal type glass grinding machine | |
| CN208600373U (en) | A kind of steel pipe high-efficiency washing device | |
| CN217873526U (en) | Sealing element with high sealing performance for shield machine | |
| CN210874691U (en) | Active carbon air purification equipment | |
| CN104382536A (en) | Sucking disk type high-rise building outer wall cleaning machine | |
| CN210341768U (en) | Civil engineering operation cleans dust collector | |
| CN115779596B (en) | Waste gas collecting and treating device | |
| CN205612411U (en) | Outer wall clearing robot for building | |
| CN201874604U (en) | Diffused wind dust remover | |
| CN204274340U (en) | A kind of sucked type machine for cleaning external walls of high-rise buildings | |
| CN204996615U (en) | Spray gun automatic cleaning machine of robot | |
| CN206897902U (en) | A kind of mobile phone screen wash equipment | |
| CN211130891U (en) | High-altitude automatic glass scrubbing device | |
| CN209536428U (en) | A kind of more suction nozzle feeding devices | |
| CN209222440U (en) | A kind of spraying device | |
| CN211622707U (en) | Building decoration curtain dust removal mechanism | |
| CN109277377A (en) | Sebific duct cleaning device | |
| CN218190604U (en) | Fountain nozzle of landscape pool | |
| CN203778292U (en) | Repair equipment for oil pipeline anticorrosive coating | |
| CN211985254U (en) | Portable environmental protection dust extraction | |
| CN104532469A (en) | Environment-friendly dust removing mechanism | |
| CN214178411U (en) | Vehicular gardens are under construction and are used dustproof water jet equipment | |
| CN215314477U (en) | Water conservancy environmental protection clean-up equipment | |
| CN218873148U (en) | Self-propelled tube washing machine for quartz shell | |
| CN210034725U (en) | Expansion piece for flue gas dust collection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |