CN209858156U - Device for detecting sealing performance of medium channel of central revolving body - Google Patents
Device for detecting sealing performance of medium channel of central revolving body Download PDFInfo
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- CN209858156U CN209858156U CN201920941462.1U CN201920941462U CN209858156U CN 209858156 U CN209858156 U CN 209858156U CN 201920941462 U CN201920941462 U CN 201920941462U CN 209858156 U CN209858156 U CN 209858156U
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- revolving body
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Abstract
The utility model relates to the technical field of shield tunneling machines, in particular to a device for detecting the sealing performance of a medium channel of a central revolving body of a shield tunneling machine, which realizes the dynamic detection of the central revolving body by rotating a rotating shaft of the central revolving body through a motor, injecting fluid into the medium channel of the central revolving body through a hydraulic pump station and detecting the pressure change condition in the channel through a pressure gauge, if the static detection is needed, only the hydraulic pump station is needed to inject the fluid into the medium channel of the central revolving body, and the detection can be realized through the pressure gauge, thereby avoiding the dynamic and static combined simulation test detection of the hydraulic pressures of various hydraulic pressures such as water, foam, grease and the like when the shield tunneling machine is not simulated, avoiding the central revolving body which is often pressed statically and is qualified in the prior art and avoiding the leakage problem when the shield tunneling machine is used in the construction site, thereby causing downtime for maintenance.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, especially relates to shield constructs quick-witted center solid of revolution medium passageway sealing performance detection device.
Background
The central revolving body is an important component of the earth pressure balance shield, is positioned in the center of an earth bin partition plate and a main drive of the shield, and is the only medium channel for connecting the improved fluid from the inside of the shield to the outside of a cutter head. The distance between the air-entrapping static pressure-maintaining test and the working condition during actual dynamic tunneling is large, dynamic and static combined simulation test detection of hydraulic pressure, water, foam, grease and other fluid hydraulic pressures during simulating tunneling of the shield machine is not available, a central revolving body with qualified static pressure-maintaining is often generated, and the problem of leakage occurs during tunneling in a construction site, so that shutdown maintenance is caused.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a center solid of revolution medium passageway sealing performance detection device has realized the leakproofness of the combined simulation experiment detection center solid of revolution medium passageway of sound attitude, and the combined simulation experiment of sound attitude of fluid hydraulic pressure such as each hydraulic pressure, water, foam, grease when avoiding not simulating shield structure machine to tunnel that prior art mentioned detects, and the central solid of revolution that static guarantor pressfitting was qualified appears often, the leakage problem appears when the building site is tunneled to cause the maintenance of shutting down.
The technical scheme of the utility model as follows:
the center revolving body medium passage sealing performance detection device comprises: including hydraulic power unit and the elastic coupling who is connected with the pivot that the center solid of revolution is close to blade disc one end, elastic coupling keeps away from the one end of the center solid of revolution and installs on the speed reducer, and the speed reducer is installed on the motor, elastic coupling is close to the one end cover of the center solid of revolution and is equipped with the sealed apron that is used for sealing center solid of revolution medium passageway, and lead on the sealed apron have with the screw hole matched with screw hole of the original area of output of center solid of revolution pivot, make sealed apron hug closely the output of center solid of revolution pivot through the bolt, sealed apron is close to and installs the sealing washer on the terminal surface of center solid of revolution output, the last output pipeline that is connected with of hydraulic power unit, output pipeline are used for being connected with the. The elastic coupling and the sealing cover plate are driven by the motor to rotate so as to drive the rotating shaft of the central revolving body to rotate, meanwhile, fluid is input into the medium channel of the central revolving body through the hydraulic pump station, and the pressure gauge detects pressure change, so that dynamic simulation test detection of the central revolving body is realized, and if static simulation detection is needed, only the fluid is input into the medium channel of the central revolving body through the hydraulic pump station.
Preferably, the speed reducer and the hydraulic pump station are both installed at one end, close to the ground, of the same equipment platform, the elastic coupling penetrates through the equipment platform to be installed on the speed reducer, and a certain gap exists between the elastic coupling and the equipment platform, so that the equipment platform does not obstruct the rotation of the elastic coupling.
Preferably, install four hydro-cylinders on the equipment platform, the piston rod pole head of hydro-cylinder is installed on the terminal surface that the equipment platform is close to ground, and the pedestal mounting of hydro-cylinder is served at walking wheel mount pad keep away from ground, there is the walking wheel through bearing and axle mounting on the walking wheel mount pad for whole device can remove, and can adjust the distance between equipment platform and the center solid of revolution through four hydro-cylinders, thereby play the distance between regulation elastic coupling and the center solid of revolution, be convenient for elastic coupling to install to the pivot of center solid of revolution in.
Preferably, the equipment platform is of a quadrilateral plate structure, and the four oil cylinders are respectively arranged at four corners of one end face, close to the ground, of the equipment platform, so that the whole device is more stable.
The utility model has the advantages that: the utility model discloses a motor drives the pivot rotation of center solid of revolution, pours into the fluid into in the medium passage through hydraulic power unit to the center solid of revolution, through manometer detection channel internal pressure variation condition, thereby realized the dynamic detection of the center solid of revolution, if need static detection then only need start hydraulic power unit to pour into the fluid into in the medium passage of the center solid of revolution, through the manometer detect can, each hydraulic pressure when avoiding not simulating shield structure machine tunnelling that prior art mentioned, water, foam, fluid hydraulic dynamic and static joint simulation test detection such as grease, the utility model discloses a dynamic detection of the center solid of revolution has avoided the unqualified center solid of revolution of the static pressfitting of often mentioned among the prior art, the leakage problem appears when the building site tunnelling, thereby causes the maintenance of shutting down.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
description of reference numerals: 1. a central revolving body; 2. an elastic coupling; 3. a speed reducer; 4. a motor; 5. sealing the cover plate; 6. an equipment platform; 7. an oil cylinder; 8. and (5) traveling wheels.
Detailed Description
The invention is further described with reference to the accompanying drawings.
Refer to fig. 1 for detailed description of the preferred embodiment of the present invention, as shown in fig. 1, after the shield machine is disassembled, the one end of the central revolving body 1 close to the cutter head is generally all placed towards the ground and supported, therefore, the present invention designs a device for detecting the sealing performance of the medium channel of the central revolving body according to the placement mode of the shield machine under the general condition of the central revolving body 1 after the shield machine is disassembled, which comprises: comprises a hydraulic pump station and an elastic coupling 2 connected with a rotating shaft at one end of a central revolving body 1 close to a cutter head, one end of the elastic coupling 2 far away from the central revolving body 1 is arranged on a speed reducer 3, the speed reducer 3 is arranged on a motor 4, one end of the elastic coupling 2 close to the central revolving body 1 is sleeved with a sealing cover plate 5 for sealing a medium channel of the central revolving body 1, and a threaded hole matched with the threaded hole of the original belt at the output end of the rotating shaft of the central revolving body 1 is guided on the sealing cover plate 5, the sealing cover plate 5 is tightly attached to the output end of the rotating shaft of the central revolving body 1 through bolts, a sealing ring is arranged on one end surface of the sealing cover plate 5 close to the output end of the central revolving body 1, and the hydraulic pump station is connected with an output pipeline, the output pipeline is used for being connected with the input end of the medium channel of the central revolving body 1, and the output pipeline is provided with a pressure gauge. The elastic coupling 2 is driven to rotate by the motor 4 so as to drive the rotating shaft of the central revolving body 1 to rotate, meanwhile, fluid is input into the medium channel of the central revolving body 1 through the hydraulic pump station, and the pressure gauge detects pressure change, so that dynamic simulation test detection of the central revolving body 1 is realized, and if static simulation detection is needed, only the fluid is input into the medium channel of the central revolving body 1 through the hydraulic pump station.
Speed reducer 3 all installs the one end that is close to ground at same equipment platform 6 with hydraulic power unit, and elastic coupling 2 passes equipment platform 6 and installs on speed reducer 3, and has certain clearance between elastic coupling 2 and the equipment platform 6 for equipment platform 6 does not hinder elastic coupling 2's rotation.
Install four hydro-cylinders 7 on the equipment platform 6, the piston rod pole head of hydro-cylinder 7 is installed on the terminal surface that equipment platform 6 is close to ground, and the pedestal mounting of hydro-cylinder 7 is served at 8 mounts pads of walking wheel and is kept away from ground, it has walking wheel 8 to install through bearing and axle on 8 mounts pads of walking wheel for whole device can remove, and can adjust the distance between equipment platform 6 and the central solid of revolution 1 through four hydro-cylinders 7, thereby play and adjust the distance between the elastic coupling 2 and the central solid of revolution 1, the elastic coupling 2 of being convenient for is installed to the pivot of central solid of revolution 1.
The equipment platform 6 is of a quadrilateral plate structure, and the four oil cylinders 7 are respectively arranged at four corners of the equipment platform 6 close to one end face of the ground, so that the whole device is more stable.
The utility model discloses a motor 4 drive center solid of revolution 1 pivot is rotatory, sealed apron 5 seals the medium channel output of living center solid of revolution 1, hydraulic power unit pours into the fluid into to the input of the 1 medium channel of center solid of revolution, the pressure variation in the rethread manometer detection channel, thereby the dynamic verification of the 1 medium channel leakproofness of center solid of revolution has been realized, and the distance of elastic coupling 2 and the 1 pivot of center solid of revolution is adjusted to the extension length of 7 piston rods of accessible adjusting oil cylinder when the installation, thereby be convenient for install, can also tightly look at sealed apron 5 through the bolt simultaneously, make sealed apron 5 be provided with the one end of sealing washer and hug closely the output of the 1 medium channel of center solid of revolution, the leakproofness of this department when having guaranteed to detect.
In order to facilitate the understanding of the present invention, the center revolving body 1 will be described in detail below, in the prior art, the end of the rotating shaft of the center revolving body 1 close to the cutter head has a plurality of medium channel output ends, and the end of the rotating shaft of the center revolving body 1 close to the cutter head is provided with a threaded hole connected with the front end cutter head, so the present invention tightly fixes the sealing cover plate 5 on the center revolving body 1 through the threaded hole, and the sealing ring is arranged on the contact surface of the sealing cover plate 5 and the center revolving body 1 to ensure the sealing performance, and because the connection between the elastic coupling 2 of the present invention and the center revolving body 1 in the prior art has no medium channel output end, the sealing performance is not affected, the technical characteristics of the center revolving body 1 can be directly derived from the center revolving body 1 in the prior art, and the description of the center revolving body 1 in the prior art is described above, but merely to facilitate a person skilled in the art to fully understand the invention.
Claims (4)
1. Center solid of revolution medium passageway sealing performance detection device, its characterized in that, including hydraulic power unit and with center solid of revolution (1) pivot connection's elastic coupling (2) of being close to blade disc one end, the one end that center solid of revolution (1) was kept away from in elastic coupling (2) is installed on speed reducer (3), speed reducer (3) are installed on motor (4), the one end cover that elastic coupling (2) are close to center solid of revolution (1) is equipped with and is used for sealing center solid of revolution (1) medium passageway sealed apron (5), and lead on sealed apron (5) have with the original screw hole matched with screw hole in area of the output of center solid of revolution (1), make sealed apron (5) hug closely the output of center solid of revolution (1) pivot through the bolt, install the sealing washer on sealed apron (5) is close to a terminal surface of center solid of revolution (1) output, the hydraulic pump station is connected with an output pipeline, the output pipeline is used for being connected with the input end of the medium channel of the central revolving body (1), and a pressure gauge is installed on the output pipeline.
2. The center revolving body medium channel sealing performance detection device according to claim 1, wherein the speed reducer (3) and the hydraulic pump station are both installed at one end of the same equipment platform (6) close to the ground, the elastic coupling (2) passes through the equipment platform (6) and is installed on the speed reducer (3), and a certain gap exists between the elastic coupling (2) and the equipment platform (6), so that the equipment platform (6) does not hinder the rotation of the elastic coupling (2).
3. The device for detecting the sealing performance of the medium channel of the central revolving body according to claim 2, wherein four oil cylinders (7) are installed on the equipment platform (6), the rod heads of the piston rods of the oil cylinders (7) are installed on one end surface of the equipment platform (6) close to the ground, the bases of the oil cylinders (7) are installed on one end of the installation base of the travelling wheels (8) far away from the ground, and the travelling wheels (8) are installed on the installation base of the travelling wheels (8) through bearings and shafts.
4. The center revolving body medium passage sealing performance detection device according to claim 3, wherein the equipment platform (6) is of a quadrangular plate-like structure, and the four cylinders (7) are respectively mounted at four corners of an end face of the equipment platform (6) near the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941462.1U CN209858156U (en) | 2019-06-21 | 2019-06-21 | Device for detecting sealing performance of medium channel of central revolving body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941462.1U CN209858156U (en) | 2019-06-21 | 2019-06-21 | Device for detecting sealing performance of medium channel of central revolving body |
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| CN209858156U true CN209858156U (en) | 2019-12-27 |
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| CN201920941462.1U Active CN209858156U (en) | 2019-06-21 | 2019-06-21 | Device for detecting sealing performance of medium channel of central revolving body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186625A (en) * | 2019-06-21 | 2019-08-30 | 中铁工程服务有限公司 | Center steering body medium channel sealing property detection device |
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2019
- 2019-06-21 CN CN201920941462.1U patent/CN209858156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186625A (en) * | 2019-06-21 | 2019-08-30 | 中铁工程服务有限公司 | Center steering body medium channel sealing property detection device |
| CN110186625B (en) * | 2019-06-21 | 2024-09-17 | 中铁工程服务有限公司 | Central revolution body medium channel sealing performance detection device |
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