CN114109414A - Disassembling device for main driving pinion bearing of shield machine - Google Patents
Disassembling device for main driving pinion bearing of shield machine Download PDFInfo
- Publication number
- CN114109414A CN114109414A CN202111449342.8A CN202111449342A CN114109414A CN 114109414 A CN114109414 A CN 114109414A CN 202111449342 A CN202111449342 A CN 202111449342A CN 114109414 A CN114109414 A CN 114109414A
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- China
- Prior art keywords
- bearing
- connecting rod
- transverse connecting
- disassembling device
- hole
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- 230000007246 mechanism Effects 0.000 claims description 34
- 230000005641 tunneling Effects 0.000 claims description 12
- 230000009194 climbing Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention relates to the technical field of shield machines, and discloses a disassembling device for a main drive pinion bearing of a shield machine.
Description
Technical Field
The invention relates to the technical field of shield tunneling machines, in particular to a disassembling device for a main driving pinion bearing of a shield tunneling machine.
Background
The main driving device of the shield machine is a component for transmitting torque to the cutter head, the torque output by a motor or a hydraulic motor is transmitted to a main driving pinion after being reduced and increased in torque by a speed reducer, the pinion is meshed with a main driving bearing, the torque amplified is transmitted to a main driving output flange by further reducing and increasing the torque, the cutter head flange is connected with the main driving output flange through bolts, and the synchronous rotation of the cutter head of the shield machine along with the main driving is ensured.
In order to avoid the effect that the main driving pinion bears bending moment in the working process, two bearings are respectively designed at two ends of the pinion and play a role in fixing and supporting the main driving pinion; because the shield machine works under a heavy-load working condition, after the bearing works for a long time, the rolling body of the bearing and the inner and outer rings of the bearing are abraded in different degrees, and the bearing clearance exceeds the standard due to overlarge abrasion loss, so that the stability of the whole main driving system is influenced; in order to ensure the performance of a main driving system, a pinion bearing with excessive play or rusted rolling bodies needs to be replaced, and because the design of the main driving structure of the shield tunneling machine is compact, the gap between the two end faces of the pinion and the end face of the bearing is small, and a conventional bearing disassembling puller cannot be used, a bearing disassembling tool suitable for small gaps needs to be designed, so that the pinion bearing is smoothly disassembled.
Disclosure of Invention
The invention aims to provide a disassembling device for a main driving pinion bearing of a shield tunneling machine.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a detaching device for shield constructs owner drive pinion bearing, includes door-shaped support frame, climbing mechanism and two bearing cardboard, the top surface outside of bearing cardboard with the bottom end foot fixed connection of door-shaped support frame, the top surface inboard of bearing cardboard is connected with the boss, climbing mechanism locates the middle part bottom of door-shaped support frame, climbing mechanism is used for driving the door-shaped support frame rises.
As a preferable technical scheme of the invention, the door-shaped support frame comprises a transverse connecting rod and two longitudinal supporting rods, the top ends of the longitudinal supporting rods are provided with through holes matched with the transverse connecting rod, two ends of the transverse connecting rod respectively penetrate through the through holes at the tops of the two longitudinal supporting plates, and the outer side of the end part of the transverse connecting rod and the inner side of the through hole are provided with matched sliding mechanisms.
As a preferable technical solution of the present invention, the sliding mechanism includes a sliding rail and a sliding groove, the sliding rail is disposed on the outer side of the transverse connecting rod, and the sliding groove is disposed on the inner side of the through hole.
As a preferred technical scheme of the invention, the jacking mechanism comprises a hydraulic station and a jacking oil cylinder, the jacking oil cylinder is arranged at the bottom of the middle part of the transverse connecting rod, and the hydraulic station is correspondingly matched and connected with the jacking oil cylinder.
As a preferable technical solution of the present invention, a fastening screw hole communicated with the through hole is penetratingly provided at a top portion of the longitudinal support bar corresponding to the through hole, and the fastening screw hole is provided with a fastening bolt.
As a preferable technical scheme of the invention, a handle is arranged at the top of the fastening bolt.
As a preferable technical scheme of the invention, the boss is detachably connected with the bearing clamping plate, and the bearing clamping plate is provided with a plurality of bosses with different thicknesses.
As a preferable technical scheme of the invention, the outer sides of the two ends of the transverse connecting rod are fixedly provided with anti-falling snap rings.
In conclusion, the invention has the following beneficial effects: when a pinion bearing needs to be disassembled, vertically placing the pinion on a plane, plugging two bearing clamping plates into the bottom of the bearing, enabling the boss to be located right below the bearing inner ring, adjusting the position of a jacking mechanism, enabling the bottom of the jacking mechanism to find a force application point, and after the positions of the bearing clamping plates, the portal supporting frame and the jacking mechanism are found accurately, starting the jacking mechanism to jack the portal supporting frame upwards, so as to drive the boss of the bearing clamping plate to move upwards, and disassembling the bearing under the action of the jacking mechanism; in the process that the bearing is lifted upwards by the jacking mechanism, the boss is higher than the plane of the bearing clamping plate, so that only the boss can be contacted with the bearing, and only the bearing inner ring can be stressed on the whole bearing, so that in the process of disassembling the bearing, acting force cannot be generated on a rolling body and a bearing outer ring which move relative to the pinion in the bearing, secondary disassembling damage to the bearing can be avoided, the bearing which is disassembled can be conveniently and accurately subjected to comprehensive damage analysis, and subsequent bearing parameter selection is facilitated; holistic, when using, only need fill in the gap between bearing and the pinion with bearing cardboard and boss, just can set up climbing mechanism and door-shaped support frame in the outside of pinion and carry out disassembling of bearing, satisfy the bearing of little space and disassemble, the pinion bearing's of being convenient for dismantlement.
Drawings
FIG. 1 is a schematic structural view of the dismantling device of the present invention;
fig. 2 is a schematic view of the location of the boss and bearing of the present invention.
In the figure: 1. a door-shaped support frame; 2. a jacking mechanism; 3. a bearing snap-gauge; 4. a boss; 5. a transverse connecting rod; 6. a longitudinal support bar; 7. a hydraulic station; 8. a pushing oil cylinder; 9. fastening a bolt; 10. the handle is screwed; 11. anti-drop snap ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a disassembling device for a main drive pinion bearing of a shield tunneling machine, which comprises a portal support frame 1, a jacking mechanism 2 and two bearing clamping plates 3, wherein the outer side of the top surface of each bearing clamping plate 3 is fixedly connected with the bottom end foot of the portal support frame 1, generally, each bearing clamping plate 3 is a steel plate and is welded and fixed with the bottom end foot of the portal support frame 1, the structural strength of the disassembling device is ensured due to the arrangement, the small bearings are conveniently disassembled in practice, the inner side of the top surface of each bearing clamping plate 3 is connected with a boss 4, the jacking mechanism 2 is arranged at the bottom of the middle part of the portal support frame 1, and the jacking mechanism 2 is used for driving the portal support frame 1 to ascend.
The working principle and the using process of the disassembling device are as follows: when a pinion bearing needs to be disassembled, vertically placing the pinion on a plane, plugging two bearing clamping plates 3 into the bottom of the bearing, enabling the boss 4 to be located under the inner ring of the bearing, adjusting the position of the jacking mechanism 2, enabling the bottom of the jacking mechanism 2 to find a force application point, after the positions of the bearing clamping plates 3, the portal supporting frame 1 and the jacking mechanism 2 are found accurately, starting the jacking mechanism 2 to jack the portal supporting frame 1 upwards, driving the boss 4 of the bearing clamping plate 3 to move upwards, and disassembling the bearing under the action of jacking force; in the process that the bearing is lifted upwards by the jacking mechanism 2, as the boss 4 is higher than the plane of the bearing clamping plate 3, only the boss 4 can be contacted with the bearing, and only the bearing inner ring can be stressed in the whole bearing, so that acting force cannot be generated on a rolling body and a bearing outer ring which move relative to the pinion in the bearing in the process of disassembling the bearing, secondary disassembling damage to the bearing can be avoided, the later accurate comprehensive damage analysis on the disassembled bearing is facilitated, and the subsequent bearing parameter selection is facilitated; holistic, when using, only need fill in the gap between bearing and the pinion with bearing cardboard 3 and boss 4, just can set up climbing mechanism 2 and door shape support frame 1 in the outside of pinion and carry out disassembling of bearing, satisfy the bearing in little space and disassemble, the pinion bearing's of being convenient for dismantlement.
Specifically, door-shaped support frame 1 includes transverse connecting rod 5 and two longitudinal support rods 6, and the top of longitudinal support rod 6 is provided with the through-hole that matches with transverse connecting rod 5, and the through-hole at two longitudinal support plate tops is passed respectively at the both ends of transverse connecting rod 5, and the tip outside of transverse connecting rod 5 and the inboard of through-hole are provided with the sliding mechanism who matches, and sliding mechanism includes slide rail and spout, and the outside of transverse connecting rod 5 is provided with the slide rail, and the through-hole inboard is provided with the spout.
Through adjusting slide mechanism, just can adjust the distance of two longitudinal support poles 6, also be the distance of adjustment bearing both sides bearing cardboard 3 and boss 4 promptly to can be applicable to the dismantlement of the bearing of different radiuses, the suitability is wider.
Specifically, the jacking mechanism 2 comprises a hydraulic station 7 and a pushing cylinder 8, the pushing cylinder 8 is arranged at the bottom of the middle part of the transverse connecting rod 5, the hydraulic station 7 is correspondingly matched and connected with the pushing cylinder 8, and the jacking mechanism 2 consisting of the hydraulic station 7 and the pushing cylinder 8 can generate enough supporting force, so that the practical bearing can be disassembled and used conveniently.
Specifically, the top of the longitudinal support bar 6 corresponding to the through hole is provided with a fastening screw hole communicated with the through hole in a penetrating manner, and the fastening screw hole is provided with a fastening bolt 9, so that the relative positions of the longitudinal support bar 6 and the transverse connecting rod 5 can be further fixed.
Specifically, a handle 10 is arranged at the top of the fastening bolt 9, and the handle 10 is convenient for actually tightening the fastening bolt 9.
Specifically, boss 4 and bearing cardboard 3 can be dismantled and be connected, and bearing cardboard 3 disposes the boss 4 of a plurality of different thickness, can select the boss 4 of different thickness according to the gap height of the bearing in the pinion of reality, can be applicable to the bearing of the pinion of more specifications and disassemble.
Specifically, the fixed anticreep snap ring 11 that is provided with in both ends outside of horizontal connecting rod 5 can avoid when adjusting distance between two longitudinal support pole 6, takes place the condition that longitudinal support pole 6 and horizontal connecting rod 5 break away from, makes things convenient for actual use.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a dismounting device for shield constructs owner drives pinion bearing, characterized by: including door shape support frame (1), climbing mechanism (2) and two bearing cardboard (3), the top surface outside of bearing cardboard (3) with the bottom end foot fixed connection of door shape support frame (1), the top surface inboard of bearing cardboard (3) is connected with boss (4), climbing mechanism (2) are located the middle part bottom of door shape support frame (1), climbing mechanism (2) are used for driving door shape support frame (1) rises.
2. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 1, wherein: door shape support frame (1) includes transverse connecting rod (5) and two longitudinal support pole (6), the top of longitudinal support pole (6) be provided with the through-hole that transverse connecting rod (5) match, two are passed respectively at the both ends of transverse connecting rod (5) the through-hole at longitudinal support board top, the tip outside of transverse connecting rod (5) with the inboard of through-hole is provided with the slide mechanism who matches.
3. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 2, wherein: the sliding mechanism comprises a sliding rail and a sliding groove, the sliding rail is arranged on the outer side of the transverse connecting rod (5), and the sliding groove is arranged on the inner side of the through hole.
4. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 2, wherein: the jacking mechanism (2) comprises a hydraulic station (7) and a pushing oil cylinder (8), the pushing oil cylinder (8) is arranged at the bottom of the middle part of the transverse connecting rod (5), and the hydraulic station (7) is correspondingly connected with the pushing oil cylinder (8).
5. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 3, wherein: the top of the longitudinal support rod (6) corresponding to the position of the through hole is provided with a fastening screw hole communicated with the through hole in a penetrating manner, and the fastening screw hole is provided with a fastening bolt (9).
6. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 5, wherein: and a handle screwing handle (10) is arranged at the top of the fastening bolt (9).
7. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 1, wherein: the boss (4) and the bearing clamping plate (3) are detachably connected, and the bearing clamping plate (3) is provided with a plurality of bosses (4) with different thicknesses.
8. The disassembling device for the main drive pinion bearing of the shield tunneling machine according to claim 3, wherein: the outer sides of the two ends of the transverse connecting rod (5) are fixedly provided with anti-falling snap rings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449342.8A CN114109414A (en) | 2021-11-30 | 2021-11-30 | Disassembling device for main driving pinion bearing of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449342.8A CN114109414A (en) | 2021-11-30 | 2021-11-30 | Disassembling device for main driving pinion bearing of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114109414A true CN114109414A (en) | 2022-03-01 |
Family
ID=80369000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111449342.8A Pending CN114109414A (en) | 2021-11-30 | 2021-11-30 | Disassembling device for main driving pinion bearing of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114109414A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757607B2 (en) * | 1991-09-03 | 1995-06-21 | 日本貨物鉄道株式会社 | Roller bearing extractor |
| CN205600621U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Bearing detaching device with adjustable |
| CN107571200A (en) * | 2017-10-30 | 2018-01-12 | 镇江建华轴承有限公司 | A kind of bearing handler |
| CN109252872A (en) * | 2018-11-21 | 2019-01-22 | 中铁工程装备集团技术服务有限公司 | A kind of shield owner driving and anterior shield disassembly separator and its method for dismounting |
| CN110883517A (en) * | 2019-12-04 | 2020-03-17 | 重庆齿轮箱有限责任公司 | Method for replacing rear bearing of low-speed large gear by opening box on fan tower |
| CN111360758A (en) * | 2019-12-19 | 2020-07-03 | 丹东山川电机有限公司 | Bearing dismounting device of motor rotor |
-
2021
- 2021-11-30 CN CN202111449342.8A patent/CN114109414A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757607B2 (en) * | 1991-09-03 | 1995-06-21 | 日本貨物鉄道株式会社 | Roller bearing extractor |
| CN205600621U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Bearing detaching device with adjustable |
| CN107571200A (en) * | 2017-10-30 | 2018-01-12 | 镇江建华轴承有限公司 | A kind of bearing handler |
| CN109252872A (en) * | 2018-11-21 | 2019-01-22 | 中铁工程装备集团技术服务有限公司 | A kind of shield owner driving and anterior shield disassembly separator and its method for dismounting |
| CN110883517A (en) * | 2019-12-04 | 2020-03-17 | 重庆齿轮箱有限责任公司 | Method for replacing rear bearing of low-speed large gear by opening box on fan tower |
| CN111360758A (en) * | 2019-12-19 | 2020-07-03 | 丹东山川电机有限公司 | Bearing dismounting device of motor rotor |
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