阅读说明：本技术 适用于泥水平衡盾构机的回转接头及刀盘旋转监测装置 (Rotary joint and cutter head rotation monitoring device suitable for slurry balance shield machine ) 是由 李建斌 何聪 崔云翔 赵茜 周罘鑫 李少辉 李坤杰 卫宸瑜 石鑫 杜秀洋 赵洋 于 2021-09-18 设计创作，主要内容包括：本发明提出一种适用于泥水平衡盾构机的回转接头及刀盘旋转监测装置,涉及隧道施工技术,该刀盘旋转监测装置安装在泥水平衡盾构机的回转接头上,回转接头具有转子,刀盘旋转监测装置包括传动机构和旋转编码器,传动机构包括旋转输入部件和旋转输出部件,旋转输入部件用于与转子相连接并随转子同步旋转,旋转输出部件与旋转输入部件相连并随旋转输入部件转动,旋转编码器与旋转输出部件相连接并监测旋转输出部件的旋转。本发明提出的适用于泥水平衡盾构机的回转接头及刀盘旋转监测装置,能够读取泥水平衡盾构机刀盘旋转速率与偏转角度,提高泥水盾构机施工效率和安全性。(The invention provides a rotary joint and a cutter head rotation monitoring device suitable for a slurry balance shield machine, and relates to the tunnel construction technology. The rotating joint and the cutter head rotation monitoring device suitable for the slurry balance shield machine can read the rotating speed and the deflection angle of the cutter head of the slurry balance shield machine, and improve the construction efficiency and the safety of the slurry balance shield machine.)

1. The utility model provides a swivel joint suitable for muddy water balance shield constructs machine which characterized in that, swivel joint includes:

the rotor is cylindrical and is provided with an axially through mud-water channel;

the stator is cylindrical and sleeved outside the rotor, is in running fit with the rotor, and is provided with a monitoring window penetrating through the side wall of the stator, and the monitoring window surrounds the stator along the circumferential direction of the stator and divides the stator into a first section and a second section which are not connected with each other;

the rotatory monitoring devices of blade disc installs monitoring window department, the rotatory monitoring devices of blade disc includes drive mechanism and rotary encoder, drive mechanism has rotatory input unit and rotatory output unit, rotatory input unit set up in the monitoring window, rotatory output unit set up in on the stator, rotatory input unit with the rotor is connected and follows the rotor rotates in step, rotatory output unit with rotatory input unit links to each other and rotates under rotatory input unit's the drive, rotary encoder with rotatory output unit is connected and monitors rotatory output unit's rotation.

2. The swivel joint of claim 1, wherein the rotation input member comprises a driving gear and a driven gear engaged with each other, the driving gear is sleeved outside the rotor and fixedly connected to the rotor, the driving gear rotates synchronously with the rotor, and the driven gear is connected to the rotation output member and drives the rotation output member to rotate under the driving of the driving gear.

3. The swivel joint of claim 2, wherein the rotary output member comprises a transmission shaft and two brackets, the two brackets are axially spaced from each other along the transmission shaft and fixedly connected to the outer wall of the stator, the transmission shaft respectively penetrates through the two brackets and is rotatably engaged with the brackets, one end of the transmission shaft penetrates through the axis of the driven gear and is fixedly connected to the driven gear, and the other end of the transmission shaft is connected to the rotary encoder.

4. The swivel joint for a slurry balanced shield tunneling machine according to claim 3, wherein two of the brackets are respectively mounted on the outer wall of the first segment.

5. The swivel joint for a slurry balance shield machine according to claim 3, wherein two of the brackets are respectively mounted on the outer wall of the second section.

6. The utility model provides a rotatory monitoring devices of blade disc suitable for muddy water balance shield constructs machine, a serial communication port, rotatory monitoring devices of blade disc includes drive mechanism and rotary encoder, drive mechanism includes rotatory input unit and rotatory output unit, rotatory input unit is used for being connected and can follow with rotary joint's rotor the synchronous revolution of rotor, rotatory output unit with rotatory input unit links to each other and follows rotatory input unit rotates, rotary encoder with rotatory output unit is connected and monitors rotatory output unit's rotation.

7. The apparatus of claim 6, wherein the rotational input member comprises a driving gear and a driven gear engaged with each other, the driving gear is fixedly connected to the rotor and rotates synchronously with the rotor, and the driven gear is connected to the rotational output member and drives the rotational output member to rotate under the driving of the driving gear.

8. The apparatus according to claim 7, wherein the rotary output member comprises a transmission shaft and two supports, the two supports are used for supporting the transmission shaft, the transmission shaft respectively penetrates through the two supports and is rotatably engaged with the supports, one end of the transmission shaft penetrates through the axis of the driven gear and is fixedly connected with the driven gear, and the other end of the transmission shaft is connected with the rotary encoder.

9. The apparatus according to claim 8, wherein each of said supports has a bearing, and said shaft extends through said bearing and is rotatably engaged with said support by said bearing.

10. The apparatus of claim 8, wherein two of said brackets are mountable to a stator of said swivel joint.

Technical Field

The invention relates to a tunnel construction technology, in particular to a rotary joint and a cutter head rotation monitoring device suitable for a slurry balance shield machine.

Background

At present, tunnel construction is generally applied to projects such as rail transit, water diversion, highways, municipal works and the like, and shield tunnel construction is widely applied to construction units with the characteristics of safety and high efficiency. Along with the rapid development of urban infrastructure, building groups and underground pipe networks are increasingly dense, the requirements of projects with high water pressure, large burial depth and ultra-large diameter are gradually increased, and the slurry balance shield machine is increasingly adopted by construction units due to the characteristics of strong adaptability, high stability, large excavation surface and high pressure bearing capacity.

When the shield machine is used for construction and excavation, the motor drives the cutter disc to rotate, and the cutter disc cutter is used for cutting, extruding and crushing an excavation surface, so that the rotation rate and the deflection angle of the cutter disc are known in the construction process.

A rotary encoder is generally arranged at the tail part of a rotary joint of the shield tunneling machine, so that the rotation speed and the deflection angle of the cutter head can be read. The tail part of the rotary joint of the earth pressure balance shield machine is also connected with a fixed joint, when the rotary joint rotates, the fixed joint keeps fixed, and the rotary encoder is arranged at the tail part of the fixed joint. By adopting the structure, the rotary encoder monitors the rotation of the rotary joint, the rotary joint is connected with the cutter head, and the rotation rate of the rotary joint is the same as that of the cutter head, so that the rotation rate and the deflection angle of the cutter head can be monitored.

The slurry balance shield machine is provided with a slurry channel due to the special structure, the inside of the rotary joint is hollow, the tail part of the rotary joint cannot be connected with the fixed joint, and the rotary encoder cannot be installed in a conventional mode, so that the rotating speed and the deflection angle of the cutter in the construction process cannot be known, great difficulty is brought to the construction process, and the construction efficiency and the construction cost are restricted

In view of the above, the inventor designs a swivel joint and a cutter head rotation monitoring device suitable for a slurry balance shield machine through repeated tests according to production design experiences of the field and related fields for many years, so as to solve the problems in the prior art.

Disclosure of Invention

The invention aims to provide a rotary joint and a cutter head rotation monitoring device suitable for a slurry balance shield machine, which can read the rotation speed and the deflection angle of the cutter head of the slurry balance shield machine and improve the construction efficiency and the safety of the slurry balance shield machine.

In order to achieve the above object, the present invention provides a rotary joint suitable for a slurry balance shield machine, wherein the rotary joint comprises:

the rotor is cylindrical and is provided with an axially through mud-water channel;

the stator is cylindrical and sleeved outside the rotor, is in running fit with the rotor, and is provided with a monitoring window penetrating through the side wall of the stator, and the monitoring window surrounds the stator along the circumferential direction of the stator and divides the stator into a first section and a second section which are not connected with each other;

the rotatory monitoring devices of blade disc installs monitoring window department, the rotatory monitoring devices of blade disc includes drive mechanism and rotary encoder, drive mechanism has rotatory input unit and rotatory output unit, rotatory input unit set up in the monitoring window, rotatory output unit set up in on the stator, rotatory input unit with the rotor is connected and follows the rotor rotates in step, rotatory output unit with rotatory input unit links to each other and rotates under rotatory input unit's the drive, rotary encoder with rotatory output unit is connected and monitors rotatory output unit's rotation.

The rotary joint suitable for the slurry balance shield tunneling machine comprises a rotating input part and a rotating output part, wherein the rotating input part comprises a driving gear and a driven gear which are meshed with each other, the driving gear is sleeved outside the rotor and is fixedly connected with the rotor, the driving gear rotates synchronously with the rotor, and the driven gear is connected with the rotating output part and drives the rotating output part to rotate under the driving of the driving gear.

The rotary joint suitable for the slurry balance shield machine comprises a transmission shaft and two supports, wherein the two supports are arranged at intervals along the axial direction of the transmission shaft and fixedly connected to the outer wall of the stator, the transmission shaft respectively penetrates through the two supports and can be rotatably matched with the supports, one end of the transmission shaft penetrates through the axis of the driven gear and is fixedly connected with the driven gear, and the other end of the transmission shaft is connected with the rotary encoder.

The swivel joint suitable for the slurry balance shield machine is characterized in that the two brackets are respectively mounted on the outer wall of the first section.

The swivel joint suitable for the slurry balance shield machine is characterized in that the two brackets are respectively mounted on the outer wall of the second section.

The invention also provides a cutter head rotation monitoring device suitable for the slurry balance shield machine, wherein the cutter head rotation monitoring device comprises a transmission mechanism and a rotary encoder, the transmission mechanism comprises a rotary input part and a rotary output part, the rotary input part is used for being connected with a rotor of a rotary joint and synchronously rotating along with the rotor, the rotary output part is connected with the rotary input part and rotates along with the rotary input part, and the rotary encoder is connected with the rotary output part and monitors the rotation of the rotary output part.

The cutter head rotation monitoring device suitable for the slurry balance shield machine comprises a rotating input part and a rotating output part, wherein the rotating input part comprises a driving gear and a driven gear which are meshed with each other, the driving gear can be fixedly connected to the rotor and synchronously rotates along with the rotor, and the driven gear is connected with the rotating output part and drives the rotating output part to rotate under the driving of the driving gear.

The cutter head rotation monitoring device suitable for the slurry balance shield machine comprises a transmission shaft and two supports, wherein the two supports are used for supporting the transmission shaft, the transmission shaft penetrates through the two supports and can be rotationally matched with the supports, one end of the transmission shaft penetrates through the axis of the driven gear and is fixedly connected with the driven gear, and the other end of the transmission shaft is connected with the rotary encoder.

The cutter head rotation monitoring device suitable for the slurry balance shield machine is characterized in that a bearing is arranged on each support, and the transmission shaft penetrates through the bearings and is in running fit with the supports through the bearings.

The cutter head rotation monitoring device suitable for the slurry balance shield machine is characterized in that the two brackets can be arranged on the stator of the rotary joint.

Compared with the prior art, the invention has the following characteristics and advantages:

the rotary joint and the cutter head rotation monitoring device suitable for the slurry balance shield machine utilize the rotation input part of the transmission mechanism to transmit the rotation of the rotor to the rotation output part, the rotation condition of the rotation output part can be measured by the rotary encoder, and meanwhile, the transmission ratio of the transmission mechanism is known, so that the rotation data of the rotor is calculated by the measurement data of the rotary encoder, and further the rotation monitoring of the cutter head of the slurry balance shield machine is realized.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.

Fig. 1 is a schematic structural diagram of a swivel joint according to the present invention;

FIG. 2 is a cross-sectional view of a swivel joint of the present invention;

FIG. 3 is a schematic view of the installation of the cutterhead rotation monitoring device in accordance with the present invention;

FIG. 4 is a schematic view of the rotary input unit according to the present invention;

fig. 5 is a schematic structural diagram of a cutterhead rotation monitoring device in the invention.

Description of reference numerals:

100. a cutter head rotation monitoring device; 10. A transmission mechanism;

11. a rotation input member; 111. A driving gear;

112. a driven gear; 12. A rotation output member;

121. a drive shaft; 122. A support;

123. a bearing; 20. A rotary encoder;

200. a swivel joint; 210. A rotor;

220. a stator; 221. A first stage;

222. a second stage; 230. And monitoring the window.

Detailed Description

The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a rotary joint 200 for a slurry balance shield machine, the rotary joint 200 includes a rotor 210, a stator 220 and a cutter head rotation monitoring device 100, the rotor 210 is cylindrical and provided with a slurry channel running through in the axial direction, the stator 220 is cylindrical and sleeved outside the rotor 210, the stator 220 is in running fit with the rotor 210, the stator 220 is provided with a monitoring window 230 running through the side wall of the stator 220, the monitoring window 230 surrounds the stator 220 along the circumferential direction of the stator 220 and divides the stator 220 into a first section 221 and a second section 222 which are not connected with each other; the cutterhead rotation monitoring device 100 is installed at a monitoring window 230, the cutterhead rotation monitoring device 100 comprises a transmission mechanism 10 and a rotary encoder 20, the transmission mechanism 10 comprises a rotary input component 11 and a rotary output component 12, the rotary input component 11 is arranged in the monitoring window 230, the rotary output component 12 is arranged on a stator 220, the rotary input component 11 is connected with a rotor 210 and rotates synchronously with the rotor 210, the rotary output component 12 is connected with the rotary input component 11 and rotates under the driving of the rotary input component 11, and the rotary encoder 20 is connected with the rotary output component 12 and monitors the rotation of the rotary output component 12.

The invention also provides a cutter head rotation monitoring device 100 suitable for the slurry balance shield machine, which is arranged on a rotary joint 200 of the slurry balance shield machine, wherein the cutter head rotation monitoring device 100 comprises a transmission mechanism 10 and a rotary encoder 20, the transmission mechanism 10 comprises a rotary input part 11 and a rotary output part 12, the rotary input part 11 is connected with a rotor 210 and synchronously rotates along with the rotor 210, the rotary output part 12 is connected with the rotary input part 11 and rotates along with the rotary input part 11, and the rotary encoder 20 is connected with the rotary output part 12 and monitors the rotation of the rotary output part 12.

According to the rotary joint 200 and the cutter head rotation monitoring device 100 suitable for the slurry balance shield machine, the rotation of the rotor 210 is transmitted to the rotation output part 12 by the rotation input part 11 of the transmission mechanism 10, the rotation condition of the rotation output part 12 can be measured by the rotary encoder 20, meanwhile, the transmission ratio of the transmission mechanism 10 is known, so that the rotation data of the rotor 210 can be calculated by the measurement data of the rotary encoder 20, and further the rotation monitoring of the cutter head of the slurry balance shield machine is realized.

According to the rotary joint 200 and the cutter head rotation monitoring device 100 suitable for the slurry balance shield machine, the rotary encoder 20 measures the rotation data of the rotation output part 12, the rotation data of the rotor 210 is calculated according to the rotation data of the rotation output part 12, the rotary encoder 20 can be arranged on one side edge of the rotor 210 without being directly connected with the rotor 210, the defect that the stator 220 of the rotary joint 200 of the slurry balance shield machine is provided with a slurry channel and cannot be connected to the axis of the stator 220 to be connected with the rotary encoder 20 is overcome, the rotation monitoring of the stator 220 is realized, and the rotation monitoring of the cutter head is also realized.

According to the rotary joint 200 suitable for the slurry balance shield machine, the stator 220 is provided with the monitoring window 230 for mounting the cutter head rotation monitoring device 100, so that the normal rotation of the rotor 210 is ensured, and the mounting of the cutter head rotation monitoring device 100 is met.

In an alternative embodiment of the present invention, the rotation input component 11 includes a driving gear 111 and a driven gear 112 engaged with each other, the driving gear 111 is fixedly connected to the rotor 210, the driving gear 111 is coaxially disposed with the rotor 210 and rotates synchronously with the rotor 210, and the driven gear 112 is connected to the rotation output component 12 and drives the rotation output component 12 to rotate under the driving of the driving gear 111. With the above configuration, the driving gear 111 rotates together with the rotor 210 at the same rotational angular velocity as that of the rotor 210, the driven gear 112 is externally engaged with the driving gear 111, the driven gear 112 rotates together with the rotor 210 by gear transmission, and the driven gear 112 drives the rotation output member 12 to rotate. The rotary encoder 20 can detect the rotation rate and the deflection angle of the rotary output member 12.

Further, the driving gear 111 is sleeved outside the rotor 210 and is fixedly connected with the outer wall of the rotor 210.

In an alternative example of this embodiment, the rotary output component 12 includes a transmission shaft 121 and two brackets 122, the two brackets 122 are used for supporting the transmission shaft 121, the transmission shaft 121 respectively penetrates through the two brackets 122 and is rotatably engaged with each bracket 122, one end of the transmission shaft 121 penetrates through the axis of the driven gear 112 and is fixedly connected with the driven gear 112, and the other end of the transmission shaft 121 is connected with the rotary encoder 20. With the above-described structure, when the driven gear 112 rotates, the transmission shaft 121 connected to the driven gear 112 also rotates together with the driven gear 112, and the rotary encoder 20 can detect the rotation rate and the deflection angle of the transmission shaft 121.

In an alternative example, each bracket 122 is provided with a bearing 123, and the transmission shaft 121 penetrates through the bearing 123 and is rotatably engaged with the bracket 122 through the bearing 123.

In an alternative example, two brackets 122 are fixedly attached to the outer wall of the stator 220, respectively.

In one example, two brackets 122 are spaced apart along the axial direction of the stator 220 and are respectively mounted on the outer wall of the first section 221.

In another example, two brackets 122 are spaced apart along the axial direction of the stator 220 and are mounted on the outer wall of the second section 222, respectively.

Referring to fig. 1 to fig. 5, the working process of the swivel joint 200 and the cutter head rotation monitoring device 100 for a slurry balance shield machine according to the present invention will be described in detail with reference to an embodiment:

when the slurry balance shield machine works, the motor drives the cutter head to rotate, the cutter head is connected with the rotary joint 200, the rotor 210 of the rotary joint 200 rotates along with the cutter head, and the rotation angular velocity of the cutter head is the same as that of the rotor 210. Since drive gear 111 is fixed to rotor 210, it follows rotor 210, and drive gear 111 and rotor 210 rotate at the same rotational angular velocity. The bracket 122 is fixed on the stator 220 of the rotary joint 200, the transmission shaft 121 is mounted on the bracket 122, the axis of the transmission shaft 121 is parallel to the axis of the rotor 210, one end of the transmission shaft 121 is connected with the driven gear 112, and the other end of the transmission shaft 121 is mounted with the rotary encoder 20. The driven gear 112 is externally engaged with the driving gear 111, the transmission shaft 121 rotates with the rotor 210 through gear transmission, and the rotary encoder 20 can detect the rotation rate and the deflection angle of the transmission shaft 121. Furthermore, the transmission route is the cutter head-rotor 210-driving gear 111-driven gear 112-transmission shaft 121-rotary encoder 20, the rotary encoder 20 can monitor the rotation condition of the cutter head, and specifically, after the rotation speed and the deflection angle of the transmission shaft 121 can be measured, the rotation speed and the deflection angle of the rotor 210 of the rotary joint can be reversely pushed through the gear ratio of the driving gear 111 and the driven gear 112, so that the rotation speed and the deflection angle of the cutter head can be obtained.

Therefore, the problems that a rotary joint of the slurry balance shield machine does not have enough space for installing a rotary encoder and the rotation speed and the deflection angle of the cutter head are detected can be solved, and effective guarantee is provided for normal operation of the shield machine.

The present invention is not limited to the above embodiments, and in particular, various features described in different embodiments can be arbitrarily combined with each other to form other embodiments, and the features are understood to be applicable to any embodiment except the explicitly opposite descriptions, and are not limited to the described embodiments.