CN209856245U - Shield constructs owner bearing monitoring devices - Google Patents
Shield constructs owner bearing monitoring devices Download PDFInfo
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- CN209856245U CN209856245U CN201920553767.5U CN201920553767U CN209856245U CN 209856245 U CN209856245 U CN 209856245U CN 201920553767 U CN201920553767 U CN 201920553767U CN 209856245 U CN209856245 U CN 209856245U
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- main bearing
- sensor
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- nut
- monitoring device
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Abstract
The utility model relates to a shield constructs construction equipment installation technical field, concretely relates to shield constructs owner bearing monitoring devices, include the through-hole of opening on the big flange of shield constructs owner drive install in the through-hole and detect the head and be close to the sensor that the base bearing inner circle is used for gathering base bearing axial displacement signal, through the sensor monitoring base bearing to the displacement volume size of displacement to whether monitoring axial internal clearance exceeds standard, judge whether the base bearing is worn and torn seriously, predict in advance the base bearing trouble, reduce the risk of causing the shut down because of the base bearing trouble, ensure construction safety, improve the efficiency of construction. Meanwhile, a nylon sleeve for protecting the sensor is sleeved on the sensor.
Description
Technical Field
The utility model relates to a shield constructs construction equipment installation technical field, concretely relates to shield constructs owner bearing monitoring devices.
Background
The shield machine is used as a special engineering machine for tunneling which integrates light collection, mechanical, electrical, hydraulic, sensing and information technologies, and is widely applied to tunnel construction of urban subways, drinking water, pollution discharge, comprehensive pipe galleries and the like. The main bearing is used as the heart of the shield machine, and the working state of the main bearing directly influences the working state and efficiency of the shield machine. If the main bearing breaks down in the tunneling process, the consequences of equipment halt, engineering shutdown and the like are caused, the main bearing is difficult to repair in the tunnel, and even the shield body needs to be repaired after being transferred out of the tunnel by digging a vertical shaft.
Because the main bearing of the shield machine is arranged in the main drive of the shield machine, the structure is closed, and various sensors are difficult to be arranged to monitor the running state of the main bearing. Generally, in the tunneling process, an operator preliminarily judges whether the main bearing fails according to personal experience through various operation parameters of the shield tunneling machine, verifies through physical and chemical index analysis, spectral analysis and iron spectrum analysis of lubricating oil of the main bearing, removes a group of speed reducers after the main bearing is confirmed to fail, leaks out of the main bearing, and observes and confirms the failed part and the damage condition of the main bearing.
Namely, the service state of the main bearing is evaluated by the past experience, and the service state is easy to cause excessive maintenance or insufficient maintenance due to the lack of theoretical basis.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in the prior art, the running state of the main bearing of the shield machine is detected by mainly evaluating the service state of the main bearing by the past experience, and the detection lacks theoretical basis and is easy to cause excessive maintenance or insufficient maintenance.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model relates to a shield constructs owner bearing monitoring devices, include the through-hole of opening on the big flange of shield constructs owner drive install in the through-hole and detect the head and be close to the sensor that the base bearing inner circle is used for gathering the base bearing axial displacement signal.
Furthermore, a nylon sleeve is sleeved on the sensor, external threads are arranged on the sensor, a cylindrical mounting frame inserted into a through hole of a main driving large flange disc is sleeved at one end, far away from an inner ring of the main bearing, of the sensor, the mounting frame is in contact with the nylon sleeve, and the nylon sleeve is fixed on the mounting frame through bolts.
Still further, the nylon sleeve is provided with an internal thread, the sensor is provided with an external thread, the nylon sleeve is sleeved on the sensor through thread fit, a nut is installed at one end, far away from the main bearing, of the sensor, and the nut is tightly attached to the nylon sleeve, so that the sensor is tightly fixed in the nylon sleeve.
Still further, a groove is formed around the opening at the position, far away from the opening of the main bearing inner ring, of the through hole of the large flange plate, an adjusting plate is installed in the groove, the mounting frame penetrates through the adjusting plate and is inserted into the through hole, a nut is installed at one end, far away from the main bearing inner ring, of the mounting frame in a threaded fit mode, the nut is tightly attached to the adjusting plate, and therefore the gap between the sensor and the main bearing inner ring can be adjusted through adjusting the screwing depth of the nut on the mounting frame.
Furthermore, a sealing ring is arranged on the contact surface of the adjusting plate and the large flange plate, so that the lubricating oil in the main bearing is prevented from leaking.
Preferably, the adjusting plate is fixed on the large flange plate through a bolt.
The utility model discloses a sensor monitoring main bearing axial displacement's displacement volume size to whether monitoring axial internal clearance exceeds standard, judges whether the main bearing is worn and torn seriously.
The utility model has the advantages that: the utility model relates to a shield constructs owner bearing monitoring devices monitors the main bearing through the sensor to the displacement volume size of displacement to whether monitoring axial internal clearance exceeds standard, judges whether the main bearing is worn and torn seriously, predicts in advance the main bearing trouble, reduces the risk that causes the shut down because of the main bearing trouble, ensures construction safety, improves the efficiency of construction.
Drawings
Fig. 1 shows the installation position of the present invention.
Fig. 2 shows a structure diagram of the present invention.
Description of reference numerals: 1. a main bearing inner ring; 2. a sensor; 3. a main drive large flange; 4. a mounting frame; 5. a nylon sleeve; 6. an adjusting plate; 7. a seal ring; 8. a bolt; 9. and a nut.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a shield constructs owner bearing monitoring devices, include the through-hole of opening on the big flange of shield constructs owner drive 3 install in the through-hole and detect the head and be close to the sensor 2 that main bearing inner circle 1 is used for gathering the main bearing axial displacement signal.
Furthermore, a nylon sleeve 5 is sleeved on the sensor 2, an installation frame 4 inserted into a through hole of the main drive large flange 3 is sleeved at one end, far away from the main bearing inner ring 1, of the sensor 2, the installation frame 4 is in contact with the nylon sleeve 5, and the nylon sleeve 5 is fixed on the installation frame 4 through a bolt 8.
Still further, the nylon sleeve 5 is sleeved on the sensor 2 through thread fit, a nut 9 is installed at one end, away from the inner ring 1 of the main bearing, of the sensor 2, and the nut 9 is tightly attached to the nylon sleeve 5, so that the sensor 2 is tightly fixed in the nylon sleeve 5.
Still further, a groove is formed around the opening at the position, far away from the opening of the main bearing inner ring 1, of the through hole of the main drive large flange plate 3, an adjusting plate 6 is installed in the groove, the mounting frame 4 penetrates through the adjusting plate 6 and is inserted into the through hole, a nut 9 is installed at one end, far away from the main bearing inner ring 1, of the mounting frame 4 through threaded fit, the nut 9 is tightly attached to the adjusting plate 6, and the screwing depth of the nut 9 on the mounting frame 4 is adjustable.
Still further, a sealing ring 7 is arranged on the contact surface of the adjusting plate 6 and the main driving large flange 3.
Preferably, the adjusting plate 6 is fixed on the main driving large flange 3 through a bolt 8.
The installation process is as follows:
the method comprises the following steps: firstly, determining the installation position through the functions and parameters of the sensor 2, and then opening a hole on the main drive large flange 3;
step two: the sensor 2 is arranged in the nylon sleeve 5, and is fastened by using a nut 9 after the installation is finished;
step three: the nylon sleeve 5 is arranged on one side, close to the main bearing inner ring 1, of the mounting frame 4 through a bolt 8;
step four: the adjusting plate 6 is arranged on one side of the mounting frame 4 far away from the main bearing inner ring 1 through thread matching;
step five: the adjusting plate 6, the sealing ring 7 and the mounting frame 4 are arranged on the main driving large flange plate 3 through bolts 8;
step six: through the screw-thread fit between mounting bracket 4 and regulating plate 6, adjust the clearance between sensor 2 and the main bearing inner circle 1, use nut 9 to tighten after the adjustment is accomplished.
Claims (6)
1. The monitoring device for the main bearing of the shield machine is characterized by comprising a through hole formed in a large flange plate (3) of the main drive of the shield machine, wherein a sensor (2) which is provided with a detection head close to an inner ring (1) of a main bearing and used for acquiring an axial displacement signal of the main bearing is arranged in the through hole.
2. The monitoring device for the main bearing of the shield tunneling machine according to claim 1, characterized in that: the sensor (2) is sleeved with a nylon sleeve (5), an external thread is arranged on the sensor (2), a cylindrical mounting frame (4) inserted into a through hole of a main drive large flange disc (3) is sleeved at one end, far away from a main bearing inner ring (1), of the sensor (2), the mounting frame (4) is in contact with the nylon sleeve (5) and is fixed on the mounting frame (4) through a bolt (8).
3. The monitoring device for the main bearing of the shield tunneling machine according to claim 2, characterized in that: lead on nylon cover (5) and have the internal thread, be provided with the external screw thread on sensor (2), through screw-thread fit with nylon cover (5) suit on sensor (2) to keep away from main bearing one end at sensor (2) and install nut (9), nylon cover (5) is hugged closely in nut (9), thereby tightly decides sensor (2) in nylon cover (5).
4. The monitoring device for the main bearing of the shield tunneling machine according to claim 3, characterized in that: the through hole of big flange dish is kept away from the trompil department of main bearing inner circle (1), centers on the trompil is led flutedly to install regulating plate (6) in the recess, mounting bracket (4) pass in regulating plate (6) insert the through hole, and mounting bracket (4) keep away from the one end of main bearing inner circle (1) and install nut (9) through screw-thread fit, regulating plate (6) are hugged closely in nut (9) for accessible adjusting nut (9) screw in degree of depth on mounting bracket (4) adjusts the clearance between sensor (2) and main bearing inner circle (1).
5. The monitoring device for the main bearing of the shield tunneling machine according to claim 4, characterized in that: and a sealing ring (7) is arranged on the contact surface of the adjusting plate (6) and the large flange plate.
6. The monitoring device for the main bearing of the shield tunneling machine according to any one of claims 4 or 5, wherein: the adjusting plate (6) is fixed on the large flange plate through a bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553767.5U CN209856245U (en) | 2019-04-23 | 2019-04-23 | Shield constructs owner bearing monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553767.5U CN209856245U (en) | 2019-04-23 | 2019-04-23 | Shield constructs owner bearing monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856245U true CN209856245U (en) | 2019-12-27 |
Family
ID=68938703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553767.5U Active CN209856245U (en) | 2019-04-23 | 2019-04-23 | Shield constructs owner bearing monitoring devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN209856245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915492A (en) * | 2019-04-23 | 2019-06-21 | 中铁工程服务有限公司 | A kind of main bearing of shield machine monitoring device |
-
2019
- 2019-04-23 CN CN201920553767.5U patent/CN209856245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915492A (en) * | 2019-04-23 | 2019-06-21 | 中铁工程服务有限公司 | A kind of main bearing of shield machine monitoring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 100160 4301, floor 43, building 3, yard 1, Automobile Museum East Road, Fengtai District, Beijing Co-patentee after: CHINA RAILWAY ENGINEERING SERVICE Co.,Ltd. Patentee after: CHINA RAILWAY HI-TECH INDUSTRY CORPORATION Ltd. Address before: 610036 666 Golden Phoenix Road, Jinniu hi tech Industrial Park, Sichuan, Chengdu Patentee before: CHINA RAILWAY ENGINEERING SERVICE Co.,Ltd. |