CN213397536U

CN213397536U - Experimental platform for simulation detection of rotation center of shield tunneling machine

Info

Publication number: CN213397536U
Application number: CN202022120151.4U
Authority: CN
Inventors: 龚彬; 李吉; 杨君超; 杨松; 李昌森; 李朗焕; 王兴涛; 陈明
Original assignee: Urban Rail Transit Engineering Branch of China Railway No 5 Engineering Group Co Ltd
Current assignee: Urban Rail Transit Engineering Branch of China Railway No 5 Engineering Group Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-08
Anticipated expiration: 2030-09-24

Abstract

The utility model belongs to the technical field of shield tunneling machine detection, in particular to an experimental platform for simulation detection of a rotation center of a shield tunneling machine, which comprises a seat body, a motor, a speed reducer, a coupler and a central rotation body, wherein the motor is fixedly arranged on one side of the upper end of the seat body, the output end of the motor is connected with the speed reducer through transmission of a transmission shaft, the other side of the upper end of the seat body is fixedly provided with the central rotation body, the output end of the central rotation body is connected with the output end of the speed reducer through transmission of the coupler, the peripheries of the two ends of the coupler are respectively provided with a limit bearing, the limit bearing comprises an inner shaft collar, an outer shaft collar and a shaft bead, when in use, the motor drives the central rotation body to rotate through the indirect transmission of the speed reducer and, therefore, dynamic detection of the central revolving body in a rotating state is realized, the simulation effect is good, and the detection capability is strong.

Description

Experimental platform for simulation detection of rotation center of shield tunneling machine

Technical Field

The utility model belongs to the technical field of the shield constructs quick-witted detection, concretely relates to an experiment platform that is used for shield to construct quick-witted centre of gyration simulation to detect.

Background

The central revolving body is an important component of the earth pressure balance type shield machine, is positioned in an earth bin partition plate of the shield machine and the center of a main drive, is a unique channel for connecting improved fluid from the inside of the shield to the outside of a cutter head, and plays an important role in the normal operation of the shield machine.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an experiment platform for shield constructs quick-witted centre of gyration analogue detection has the effectual and strong characteristics of testing capability of simulation.

In order to achieve the above object, the utility model provides a following technical scheme: an experimental platform for simulation detection of a rotation center of a shield tunneling machine comprises a base body, a motor, a speed reducer, a coupler and a central rotation body, wherein the motor is fixedly mounted on one side of the upper end of the base body, the output end of the motor is connected with the speed reducer through transmission of a transmission shaft, the central rotation body is fixedly mounted on the other side of the upper end of the base body, the output end of the central rotation body is connected with the output end of the speed reducer through transmission of the coupler, limiting bearings are arranged on the peripheries of the outer portions of the two ends of the coupler and comprise inner shaft rings, outer shaft rings and shaft beads, the inner portions of the outer shaft rings are rotatably connected with the inner shaft rings through a plurality of shaft beads, an upper support is arranged at the bottom end of each limiting bearing, a lower support is integrally formed at the bottom end of, and the periphery of the inner wall of the sealing clamping shell is fixedly connected with a sealing clamping gasket.

As the utility model discloses a preferred technical scheme of experiment platform for shield constructs quick-witted centre of rotation simulation detects, spacing bearing be the symmetry set up and with shaft coupling mutually perpendicular, fixed connection all around of the outer wall of interior axle collar and shaft coupling, the outer axle collar passes through a plurality of connecting rod fixed connection with the upper bracket.

As the utility model discloses a preferred technical scheme of experiment platform for shield constructs quick-witted centre of rotation simulation detection, the connecting rod just is the equidistance for the metal component and arranges.

As the utility model discloses a preferred technical scheme of experiment platform for shield constructs quick-witted centre of gyration simulation detection, upper bracket and lower carriage are the metal component and are the U-shaped structure.

As the utility model discloses a preferred technical scheme of experiment platform for shield constructs quick-witted centre of gyration simulation detection, both ends homogeneous body shaping has the stabilizer blade about the bottom both sides of lower carriage, stabilizer blade and pedestal fixed connection.

As the utility model discloses a preferred technical scheme of experiment platform for shield constructs quick-witted centre of rotation simulation detection, sealed card shell is the metal component, sealed card pad is the rubber component.

Compared with the prior art, the beneficial effects of the utility model are that: when the device is used, the motor drives the central revolving body to rotate through the indirect transmission of the speed reducer and the coupler, then air is injected into the medium channel inside the central revolving body, and the change condition of the internal pressure of the medium channel is detected, so that the dynamic detection of the central revolving body in the rotating and rotating state is realized, the simulation effect is good, the detection capability is strong, the fault rate of the central revolving body of the shield machine is effectively reduced, and the reliability of the revolving body of the shield machine is improved; meanwhile, when the coupler is used, the limiting bearings around the outer portions of the two ends of the coupler, the upper support at the bottom of the limiting bearings and the lower support at the bottom of the upper support facilitate stable transmission of the coupler; simultaneously, when using, through the sealed card shell that the shaft coupling is close to center solid of revolution one end and the sealed card pad all around of sealed card shell inner wall, the sealed shutoff of the medium passageway output on the center solid of revolution of being convenient for to the use of this experiment platform of being convenient for, it is more convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the external structure of the present invention;

fig. 3 is a schematic view of the external connection front view structure of the upper bracket of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

in the figure: 1. a base body; 2. a motor; 3. a speed reducer; 4. a coupling; 5. sealing the clamping shell; 6. a central revolving body; 7. a limit bearing; 8. an upper bracket; 9. an inner collar; 10. an outer collar; 11. a mandrel bead; 12. a connecting rod; 13. a lower bracket; 14. a support leg; 15. and sealing the clamping gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: an experimental platform for simulation detection of a rotation center of a shield tunneling machine comprises a base body 1, a motor 2, a speed reducer 3, a coupler 4 and a central rotation body 6, wherein the motor 2 is fixedly installed on one side of the upper end of the base body 1, the output end of the motor 2 is connected with the speed reducer 3 through a transmission shaft in a transmission manner, the other side of the upper end of the base body 1 is fixedly installed with the central rotation body 6, the output end of the central rotation body 6 is in transmission connection with the output end of the speed reducer 3 through the coupler 4, limit bearings 7 are respectively arranged on the peripheries of the outer parts of the two ends of the coupler 4, each limit bearing 7 comprises an inner shaft ring 9, an outer shaft ring 10 and shaft beads 11, the inner part of each outer shaft ring 10 is rotatably connected with an inner shaft ring 9 through a plurality of shaft beads 11, an upper support 8 is arranged at the bottom end of each upper support, fixedly connected with seal card pad 15 all around the inner wall of seal card shell 5, in this embodiment, when testing, on the shutoff center solid of revolution 6 all grease injection holes, select arbitrary foam injection hole access experiment trachea, the manometer, simultaneously through the air compressor machine to the interior input air of the medium passageway of center solid of revolution 6, through motor 2,

speed reducer

3 and 4 transmission drive center solid of revolution 6 rotate, observe the change that the manometer detected pressure, thereby realize the dynamic simulation experiment detection of center solid of revolution, 2 main effects of motor are production drive torque, as the power supply of experiment platform, motor 2 drives 3 speed reduction ratios of speed reducer and is 87: 1, a motor 2 can carry out vector control through an ABB frequency converter, a speed reducer 3 is used as a power transmission mechanism of an experimental platform, the revolution number of the motor 2 is reduced to a required revolution number by utilizing a speed converter of a gear, and a larger torque is obtained, and a coupler 4 is used for connecting two shaft driving shafts and driven shafts of the motor 2 and the speed reducer 3, enabling the two shaft driving shafts and the driven shafts to rotate together and transmitting the torque; the central revolving body 6 is an object to be detected by the experimental platform, the base 1 is a bearing part of the whole experimental platform, so that the device can be conveniently installed, and meanwhile, when the device is used, the limit bearings 7 around the outer parts of the two ends of the coupler 4, the upper support 8 at the bottom of the limit bearings 7 and the lower support 13 at the bottom of the upper support 8 are used, so that the coupler 4 can be conveniently and stably driven; simultaneously, when using, through shaft coupling 4 be close to the sealed card shell 5 of center solid of revolution one end and sealed card pad 15 all around the 5 inner walls of sealed card shell, the sealed shutoff of the medium passageway output on the center solid of revolution 6 of being convenient for to the use of this experiment platform of being convenient for, it is more convenient to use.

It is specific, limit bearing 7 is the symmetry setting and with shaft coupling 4 mutually perpendicular, inner collar 9 and shaft coupling 4's outer wall fixed connection all around, outer collar 10 and upper bracket 8 are through a plurality of connecting rod 12 fixed connection, in this embodiment, limit bearing 7's use can refer to the bearing that sells on the current market, including outer collar 10 and inner collar 9 and axle pearl 11, select the use according to specific user demand, the inner collar 9 and the shaft coupling 4 fixed connection of limit bearing 7 inner circle, the outer collar 10 of limit bearing 7 outer circle is through a plurality of connecting rod 12 and upper bracket 8 fixed connection, be convenient for the stable transmission of shaft coupling 4.

Specifically, the connecting rods 12 are metal members and are arranged at equal intervals, and in this embodiment, the connecting rods 12 are connecting members.

Specifically, upper bracket 8 and lower carriage 13 are metal component and are the U-shaped structure, and in this embodiment, upper bracket 8 and lower carriage 13 are metal U-shaped pole, are support piece for spacing bearing 7 and shaft coupling 4's bottom sprag, are convenient for shaft coupling 4's stable transmission.

Specifically, both ends homogeneous moulding has stabilizer blade 14 about the bottom both sides of lower carriage 13, and stabilizer blade 14 and pedestal 1 fixed connection, and in this embodiment, stabilizer blade 14 is the metal pole, increases the bottom sprag area of upper bracket 8 and lower carriage 13, and the bottom sprag of the spacing bearing 7 of being convenient for, upper bracket 8 and lower carriage 13 and shaft coupling 4 is convenient for the stable transmission of shaft coupling 4.

Specifically, the seal card shell 5 is a metal component, and the seal card pad 15 is a rubber component, and in this embodiment, the seal card shell 5 is a metal housing, and the inner wall is fixedly connected with the seal card pad 15 all around, and the seal card shell 5 and the seal card pad 15 are convenient for the seal plugging of the medium channel output end of the central revolving body 6, and the detection of the tightness of the central revolving body 6 is convenient.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, external power supply starter motor 2, motor 2 drives center solid of revolution 6 through speed reducer 3 and the indirect transmission of shaft coupling 4 and rotates and rotate, rotate through spacing bearing 7 and upper bracket 8 and connecting rod 12 to shaft coupling 4 and carry on spacingly, make shaft coupling 4 can the steady transmission, seal the shutoff through sealed card shell 5 and sealed card shell 5 inner wall sealing card pad 15 all around to 6 tip medium channels's of center solid of revolution output, then inject the air into to 6 medium channels's of center solid of revolution input through outside air compressor machine, detect the inside pressure variation of passageway through the manometer, thereby realize the dynamic detection of 6 medium channels leakproofness of center solid of revolution.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an experiment platform that is used for shield structure machine centre of rotation simulation to detect which characterized in that: the bearing seat comprises a seat body (1), a motor (2), a speed reducer (3), a coupler (4) and a central revolving body (6), wherein the motor (2) is fixedly arranged on one side of the upper end of the seat body (1), the output end of the motor (2) is connected with the speed reducer (3) through transmission of a transmission shaft, the central revolving body (6) is fixedly arranged on the other side of the upper end of the seat body (1), the output end of the central revolving body (6) is in transmission connection with the output end of the speed reducer (3) through the coupler (4), limiting bearings (7) are arranged on the periphery of the outer portions of the two ends of the coupler (4), each limiting bearing (7) comprises an inner shaft ring (9), an outer shaft ring (10) and shaft beads (11), the inner portion of the outer shaft ring (10) is rotatably connected with the inner shaft ring (9) through a plurality of shaft, the bottom integrated into one piece of upper bracket (8) has lower carriage (13), the one end of shaft coupling (4) is located central solid of revolution (6) one side outside fixedly connected with all around sealed card shell (5), the inner wall of sealed card shell (5) is fixedly connected with sealed card pad (15) all around.

2. The experimental platform for simulating and detecting the rotation center of the shield tunneling machine according to claim 1, characterized in that: spacing bearing (7) are the symmetry and set up and with shaft coupling (4) mutually perpendicular, inner collar (9) and the outer wall of shaft coupling (4) fixed connection all around, outer collar (10) and upper bracket (8) are through a plurality of connecting rod (12) fixed connection.

3. The experimental platform for simulating and detecting the rotation center of the shield tunneling machine according to claim 2, characterized in that: the connecting rods (12) are metal components and are arranged at equal intervals.

4. The experimental platform for simulating and detecting the rotation center of the shield tunneling machine according to claim 1, characterized in that: the upper support (8) and the lower support (13) are both metal components and are both U-shaped structures.

5. The experimental platform for simulating and detecting the rotation center of the shield tunneling machine according to claim 4, characterized in that: both ends all integrated into one piece have stabilizer blade (14) about the bottom both sides of lower carriage (13), stabilizer blade (14) and pedestal (1) fixed connection.

6. The experimental platform for simulating and detecting the rotation center of the shield tunneling machine according to claim 1, characterized in that: the sealing clamping shell (5) is a metal component, and the sealing clamping pad (15) is a rubber component.