CN113567126A - Dynamic balance detection device for high-speed bearing of shield machine - Google Patents
Dynamic balance detection device for high-speed bearing of shield machine Download PDFInfo
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- CN113567126A CN113567126A CN202110838543.0A CN202110838543A CN113567126A CN 113567126 A CN113567126 A CN 113567126A CN 202110838543 A CN202110838543 A CN 202110838543A CN 113567126 A CN113567126 A CN 113567126A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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Abstract
The invention discloses a dynamic balance detection device for a high-speed bearing of a shield tunneling machine, which mainly relates to the field of high-speed bearings and comprises a bottom plate, a main motor, an expansion device and a bottom guide groove, wherein the top of the bottom plate is provided with the main motor, the output end of the main motor is provided with a main motor shaft, the outer surface of the main motor shaft is sleeved with a driving wheel, the outer surface of the driving wheel is provided with a pulling belt, the top of the bottom plate is provided with a guide post and a pull belt spring, and one end of the guide post is rotatably provided with a belt pull wheel. The dynamic balance detection device mechanism of the high-speed bearing of the shield machine adopts a linkage design, saves energy, is easy to maintain and replace, is suitable for the dynamic balance detection occasion of the bearing, and enables the dynamic balance detection process of the bearing to be easier and more effective.
Description
Technical Field
The invention mainly relates to the field of high-speed bearings, in particular to a dynamic balance detection device for a high-speed bearing of a shield tunneling machine.
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.
In the technical field of shield machine high-speed bearing dynamic balance detection devices, a main bearing is used as a main bearing part of a shield machine, bears main load in the operation process of the shield machine and is a main transmission part for driving a cutter head. The main bearing of the shield machine is arranged in the main drive of the shield machine, and the structure is closed, so that the dynamic balance detection can directly evaluate the product quality, related data are not available in the prior art, and the conventional dynamic balance detection means cannot be used. The application number CN202010917199.X discloses a method for detecting and repairing a main bearing of a shield machine, which at least comprises the following steps: a first sensor for detecting a vibration signal is arranged on a main bearing of the shield machine, and a second sensor for detecting the sealing performance of the main bearing and the refractive index of liquid is arranged on a lip sealing structure of the main bearing of the shield machine; a plurality of vibration signals transmitted by a plurality of first sensors in the same time range are superposed with each other to form a total vibration signal; the device has the advantages that the state of the bearing in use can be detected and judged automatically, and the dynamic balance cannot be detected. The invention synchronously drives the closing, speed regulating and rotating processes of the dynamic balance detecting machine in a linkage manner after installation through a linkage design.
Disclosure of Invention
The invention provides a dynamic balance detection device for a high-speed bearing of a shield machine, which comprises a bottom plate, a main motor, an expansion device and a bottom guide groove, wherein the top of the bottom plate is provided with the main motor, the output end of the main motor is provided with a main motor shaft, the outer surface of the main motor shaft is sleeved with a driving wheel, the outer surface of the driving wheel is provided with a pulling belt, the top of the bottom plate is provided with a guide post and a pull belt spring, and one end of the guide post is rotatably provided with a belt pull wheel;
the bottom guide groove is arranged at the top of the bottom, a clamping rack is slidably arranged at the bottom end inside the bottom guide groove, clamping gears are respectively arranged at two ends inside the bottom guide groove, a speed change sliding block and a clamping sliding block are arranged inside the bottom guide groove, the speed change sliding block and the clamping sliding block are connected through a sliding spring, a clamping pull rod is hinged to the top of the clamping sliding block, a guide block is arranged at the top of the bottom plate, a sliding plate is slidably connected inside the guide block and hinged to the clamping pull rod, a sliding block is hinged to the top of the sliding plate, a moving seat is hinged to one end of the sliding block, a pressure shaft cover is arranged at one end of the moving seat, a connecting rod plate is hinged to the top of the speed change sliding block, a sliding seat is arranged at the top of the bottom plate, and a swing crankshaft is connected to the center of the clamping gears through a shaft rod, and a round wheel is rotatably arranged on the outer surface of the bottom guide groove.
Further, the expanding device comprises an expanding wheel, a supporting shaft is installed on the inner wall of the expanding wheel, a connecting support is installed on the supporting shaft, a driving shaft is installed at the center of the expanding device, a pulling connecting block is installed on the outer surface of the driving shaft, a return spring is sleeved on the outer surface of the driving shaft, a connecting pull rod is installed at one end of the pulling connecting block, a cross pull rod is installed at one end of the connecting pull rod, and the cross pull rod is connected with a connecting rod plate.
Further, gear wheel a is installed to the one end of main motor shaft, the fixing base is installed at the top of bottom plate, bevel pinion is installed at the top of bottom plate, the rotation axis is installed to the one end of fixing base, gear wheel b is installed to the one end of rotation axis, install the belt pulley on the rotation axis, be provided with on the belt pulley and press from both sides tight slider belt.
Further, the top of bottom plate is provided with and is responsible for, the internally mounted who is responsible for has the iron rod, the one end of being responsible for is installed passive bearing, the quantity of iron rod is a plurality of and installs the inside of being responsible for with the form that the circumference distributes.
Furthermore, the centre shaft of the clamping gear penetrates through one end outside the bottom guide groove and is rotatably provided with a rotating wheel, and the rotating wheel is connected with the belt wheel through a clamping slider belt.
Furthermore, the swing crankshaft is formed by hinging two rotating rods, one end of the swing crankshaft is connected with a central shaft of the clamping gear, and the other end of the swing crankshaft is connected with the outer surface of the round wheel.
Furthermore, the bottom of the connecting rod plate is provided with a convex block a, and the sliding seat is provided with a sliding hole which is matched with the convex block a in size and corresponds to the convex block a in position.
Furthermore, a convex block b is installed at the bottom of the movable seat, and a sliding hole which is matched with the convex block b in size and corresponds to the convex block b in position is formed in the guide block.
Furthermore, the belt pulling wheel is connected with the unfolding wheel through a pulling belt, and the pulling belt is in contact with the belt pulling wheel.
Compared with the prior art, the invention has the beneficial effects that: 1. the shield machine high-speed bearing dynamic balance detection device can realize the automatic speed change and material clamping process; 2. the dynamic balance detection device for the high-speed bearing of the shield tunneling machine is linked with the speed change mechanism, so that the transmission is convenient, and the failure rate is low; 3. the dynamic balance detection device mechanism of the high-speed bearing of the shield machine adopts a linkage design, saves energy, is easy to maintain and replace, is suitable for the dynamic balance detection occasion of the bearing, and enables the dynamic balance detection process of the bearing to be easier and more effective.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an overall schematic view of the present invention;
FIG. 3 is an overall schematic view of the present invention;
FIG. 4 is an overall schematic view of the present invention;
FIG. 5 is a partial schematic view of the present invention;
fig. 6 is an enlarged view of the invention at a in fig. 3.
Detailed Description
The invention will now be further described with reference to specific examples, which are provided by way of illustration and description of the invention, but are not intended to be limiting thereof.
Example (b): as shown in fig. 1-6, a dynamic balance detection device for a high-speed bearing of a shield machine comprises a bottom plate 1, a main motor 2, an expansion device 3 and a bottom guide groove 5, wherein the main motor 2 is installed at the top of the bottom plate 1, a main motor shaft 201 is installed at the output end of the main motor 2, a driving wheel 202 is sleeved on the outer surface of the main motor shaft 201, a pulling belt 203 is arranged on the outer surface of the driving wheel 202, a guide post 204 and a pulling belt spring 205 are installed at the top of the bottom plate 1, a belt pulling wheel 206 is rotatably installed at one end of the guide post 204, the belt pulling wheel 206 is connected with an unfolding wheel 301 through the pulling belt 203, the pulling belt 203 is in contact with the belt pulling wheel 206, the unfolding wheel 301 is rotated by driving the belt 203 by starting the main motor 2, a main shaft 308 is driven to rotate, meanwhile, a main shaft 206 is in charge of tensioning, the main shaft 308 is driven to rotate, an iron rod 401 is arranged on the main shaft, the iron rod 401 drives the shield tunneling machine high-speed bearing to rotate.
The bottom guide groove 5 is arranged at the top of the bottom, a clamping rack 502 is slidably arranged at the bottom end inside the bottom guide groove 5, clamping gears 501 are arranged at two ends inside the bottom guide groove 5, a rotating wheel is rotatably arranged at one end, penetrating through the central shaft of the clamping gear 501, outside the bottom guide groove 5, of the central shaft, the rotating wheel is connected with a belt pulley 606 through a clamping block belt 607, a speed changing sliding block 503 and a clamping sliding block 504 are arranged inside the bottom guide groove 5, the speed changing sliding block 503 and the clamping sliding block 504 are connected through a sliding spring 505, a clamping pull rod 506 is hinged at the top of the clamping sliding block 504, a guide block 507 is arranged at the top of the bottom plate 1, a sliding plate 508 is slidably connected inside the guide block 507, the sliding plate 508 is hinged with the clamping pull rod 506, a sliding block 509 is hinged at the top of the sliding plate 508, a movable seat 510 is hinged at one end of the sliding block 509, and a convex block b is arranged at the bottom of the movable seat 510, a sliding hole which is matched with the size of the convex block b and corresponds to the position of the convex block b is formed in the guide block 507, a pressure shaft cover 511 is installed at one end of the movable seat 510, a connecting rod plate 512 is hinged to the top of the speed change sliding block 503, a convex block a is installed at the bottom of the connecting rod plate 512, a sliding hole which is matched with the size of the convex block a and corresponds to the position of the convex block a is formed in the sliding seat 515, a sliding seat 515 is installed at the top of the bottom plate 1, a swinging crankshaft 513 is connected to the center of the clamping gear 501 through a shaft rod, the swinging crankshaft 513 is formed by hinging two rotating rods, one end of the swinging crankshaft 513 is connected with the central shaft of the clamping gear 501, the other end of the swinging crankshaft is connected with the outer surface of the round wheel 514, a round wheel 514 is rotatably installed on the outer surface of the bottom guide groove 5, the large bevel gear a601 and the small bevel gear 603 are rotatably driven by the rotation shaft 604, the small bevel gear 603 rotates to drive the large bevel gear b to rotate, and further drive the belt pulley 606 to rotate, the belt 607 of the clamping block drives the belt pulley 606 to rotate, so that the clamping gear 501 rotates to drive the clamping rack 502, the clamping block 504 is pulled, the clamping pull rod 506 pulls the sliding plate 508, the sliding block 509 is pulled to slide, the moving seat 510 is pulled synchronously, the moving seat 510 moves in the groove of the guide block 507, the press shaft cover 511 covers the iron rod 401, and therefore the detected bearing is covered.
The expansion device 3 comprises an expansion wheel 301, a supporting shaft 302 is installed on the inner wall of the expansion wheel 301, a connecting support 303 is installed on the supporting shaft 302, a driving shaft 308 is installed at the center of the expansion device 3, a pulling connecting block 304 is installed on the outer surface of the driving shaft 308, a return spring 305 is sleeved on the outer surface of the driving shaft 308, a connecting pull rod 306 is installed at one end of the pulling connecting block 304, a cross pull rod 307 is installed at one end of the connecting pull rod 306, and the cross pull rod 307 is connected with a connecting rod plate 512.
One end of a main motor shaft 201 is provided with a large gear a, the top of a bottom plate 1 is provided with a fixed seat 602, the top of the bottom plate 1 is provided with a small bevel gear 603, one end of the fixed seat 602 is provided with a rotating shaft 604, one end of the rotating shaft 604 is provided with a large gear b, the rotating shaft 604 is provided with a belt pulley 606, and the belt pulley 606 is provided with a clamping slider belt 607.
The top of the bottom plate 1 is provided with a main pipe 4, an iron rod 401 is arranged inside the main pipe 4, a passive bearing 402 is arranged at one end of the main pipe 4, and a plurality of iron rods 401 are arranged inside the main pipe 4 in a circumferentially distributed manner.
The working principle is as follows: the main motor 2 rotates to enable the main motor shaft 201 to rotate to drive the driving wheel 202 to rotate, the driving wheel 202 is provided with a pulling belt 203, the pulling belt 203 is tensioned by a belt pulling wheel 206, guided by a guide column 204 and tensioned by a pulling belt spring 205, meanwhile, the driven part is an unfolding wheel 301, the unfolding wheel 301 is divided into components, supported by a support shaft 302 and supported to a compression axis through a connecting support 303, a return posture is kept through a return spring 305, a pulling connecting block 304 is connected through a connecting pull rod 306 and connected through a cross pull rod 307 and slides in an inner groove of a sliding seat 515 through a sliding block, the sliding block is connected with the cross pull rod 307 and a connecting rod plate 512, the pulling of the connecting rod plate 512 enables the pulling connecting block 304 to relatively compress the return spring 305, the unfolding wheel 301 is expanded along with the expansion, a large belt wheel is formed, and the transmission ratio is increased.
When the shield machine works, a worker installs a high-speed bearing of the shield machine on an iron rod 401, a main motor 2 rotates to drive a pulling belt 203 to enable an unfolding wheel 301 to rotate, a driving shaft 308 is driven to rotate, meanwhile, the belt pulling wheel 206 is used for tensioning, a main shaft core is driven to rotate by the driving shaft 308, the iron rod 401 is arranged on the main shaft core, and the iron rod 401 drives the high-speed bearing of the shield machine to rotate.
Meanwhile, the rotating shaft 604 is driven to rotate by the large bevel gear a601 and the small bevel gear 603, the small bevel gear 603 drives the large bevel gear b605 to rotate, and further drives the belt pulley 606 to rotate, the clamping block belt 607 drives the belt pulley 606 to rotate, so that the clamping gear 501 rotates to drive the clamping rack 502, the clamping slide block 504 is pulled, the clamping pull rod 506 pulls the sliding plate 508, so that the sliding block 509 is pulled in a sliding manner, the moving seat 510 is pulled synchronously, the moving seat 510 moves in the groove of the guide block 507, and the shaft pressing cover 511 covers the iron rod 401, so that the detected bearing is covered.
Meanwhile, the clamping gear 501 rotates to rotate the swinging crankshaft 513, the swinging crankshaft is reversely rotated to drive the speed change gear through the connection of the round wheel 514 and the reversing swing rod, the speed change slide block 503 is driven to push, the connecting rod moves, the unfolding wheel 301 is driven to shrink, the transmission ratio is reduced, the high-speed bearing of the shield machine is rotated at a high speed, and the dynamic balance detection of the bearing is unqualified when the vibration frequency of the shield machine is too high.
Claims (9)
1. The utility model provides a shield constructs quick-witted high-speed bearing dynamic balance detection device, includes bottom plate, main motor and extension fixture and bottom guide way, its characterized in that: the top of the bottom plate is provided with a main motor, the output end of the main motor is provided with a main motor shaft, the outer surface of the main motor shaft is sleeved with a driving wheel, the outer surface of the driving wheel is provided with a pulling belt, the top of the bottom plate is provided with a guide post and a pull belt spring, and one end of the guide post is rotatably provided with a belt pulling wheel;
the bottom guide groove is arranged at the top of the bottom, a clamping rack is slidably arranged at the bottom end inside the bottom guide groove, clamping gears are respectively arranged at two ends inside the bottom guide groove, a speed change sliding block and a clamping sliding block are arranged inside the bottom guide groove, the speed change sliding block and the clamping sliding block are connected through a sliding spring, a clamping pull rod is hinged to the top of the clamping sliding block, a guide block is arranged at the top of the bottom plate, a sliding plate is slidably connected inside the guide block and hinged to the clamping pull rod, a sliding block is hinged to the top of the sliding plate, a moving seat is hinged to one end of the sliding block, a pressure shaft cover is arranged at one end of the moving seat, a connecting rod plate is hinged to the top of the speed change sliding block, a sliding seat is arranged at the top of the bottom plate, and a swing crankshaft is connected to the center of the clamping gears through a shaft rod, and a round wheel is rotatably arranged on the outer surface of the bottom guide groove.
2. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein the expansion device comprises an expansion wheel, a support shaft is mounted on an inner wall of the expansion wheel, a connection support is mounted on the support shaft, a driving shaft is mounted at the center of the expansion device, a pulling connection block is mounted on an outer surface of the driving shaft, a return spring is sleeved on the outer surface of the driving shaft, a connection pull rod is mounted at one end of the pulling connection block, a tie rod is mounted at one end of the connection pull rod, and the tie rod is connected with the connection rod plate.
3. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein a large gear a is installed at one end of the main motor shaft, a fixed seat is installed at the top of the bottom plate, a small bevel gear is installed at the top of the bottom plate, a rotating shaft is installed at one end of the fixed seat, a large gear b is installed at one end of the rotating shaft, a belt pulley is installed on the rotating shaft, and a clamping slider belt is arranged on the belt pulley.
4. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein a main pipe is arranged at the top of the bottom plate, an iron rod is installed inside the main pipe, a passive bearing is installed at one end of the main pipe, and the number of the iron rods is multiple and is installed inside the main pipe in a circumferentially distributed manner.
5. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 3, wherein a rotating wheel is rotatably mounted at one end of the clamp 1, which penetrates through the central shaft of the gear to the outside of the bottom guide groove, and the rotating wheel and the belt pulley are connected through a clamping slider belt.
6. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein the swing crankshaft is formed by hinging two rotating rods, one end of the swing crankshaft is connected with a central shaft of the clamping gear, and the other end of the swing crankshaft is connected with the outer surface of the circular wheel.
7. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein a bump a is installed at the bottom of the connecting rod plate, and a slide hole corresponding to the bump a in size and position is formed in the slide seat.
8. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 1, wherein a bump b is installed at the bottom of the movable seat, and a slide hole corresponding to the bump b in size and position is formed in the guide block.
9. The dynamic balance detection device for the high-speed bearing of the shield tunneling machine according to claim 2, wherein the belt pulling wheel and the unwinding wheel are connected through a pulling belt, and the pulling belt is in contact with the belt pulling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838543.0A CN113567126A (en) | 2021-07-23 | 2021-07-23 | Dynamic balance detection device for high-speed bearing of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838543.0A CN113567126A (en) | 2021-07-23 | 2021-07-23 | Dynamic balance detection device for high-speed bearing of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113567126A true CN113567126A (en) | 2021-10-29 |
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ID=78166916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110838543.0A Withdrawn CN113567126A (en) | 2021-07-23 | 2021-07-23 | Dynamic balance detection device for high-speed bearing of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113567126A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295025A (en) * | 2021-12-30 | 2022-04-08 | 泰州市大川机械配件有限公司 | Shield constructs quick-witted bearing capability test device |
| CN116380342A (en) * | 2023-04-18 | 2023-07-04 | 临清市万达轴承有限公司 | Bearing dynamic balance test auxiliary device |
-
2021
- 2021-07-23 CN CN202110838543.0A patent/CN113567126A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295025A (en) * | 2021-12-30 | 2022-04-08 | 泰州市大川机械配件有限公司 | Shield constructs quick-witted bearing capability test device |
| CN116380342A (en) * | 2023-04-18 | 2023-07-04 | 临清市万达轴承有限公司 | Bearing dynamic balance test auxiliary device |
| CN116380342B (en) * | 2023-04-18 | 2023-09-12 | 临清市万达轴承有限公司 | Bearing dynamic balance test auxiliary device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211029 |
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| WW01 | Invention patent application withdrawn after publication |