CN223265570U - A replacement device for the main drive self-aligning bearing of a tunnel boring machine - Google Patents
A replacement device for the main drive self-aligning bearing of a tunnel boring machineInfo
- Publication number
- CN223265570U CN223265570U CN202422580992.1U CN202422580992U CN223265570U CN 223265570 U CN223265570 U CN 223265570U CN 202422580992 U CN202422580992 U CN 202422580992U CN 223265570 U CN223265570 U CN 223265570U
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- CN
- China
- Prior art keywords
- aligning bearing
- seat
- connecting piece
- boring machine
- main driving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型提供了一种掘进机主驱动调心轴承的更换装置，属于隧道施工专用机械设备技术领域；所述更换装置包括连接座、第一连接件、第二连接件和第三连接件；连接座的一端与调心轴承组件相连；第一连接件连接掘进机主驱动结构中的变速箱和轴承套；第二连接件连接掘进机主驱动结构中的变速箱和连接座；第三连接件连接掘进机主驱动结构中的变速箱和连接座。本实用新型通过设置一种能够在地下硐室的有限空间内对掘进机主驱动结构中的调心轴承组件进行更换的专用更换装置，以实现当掘进机主驱动结构中的调心轴承在损坏后能够快速的在硐室即完成更换，节约了掘进机需要退回硐室的时间，进了提高掘进机的利用率。
The utility model provides a replacement device for a self-aligning bearing in the main drive of a tunnel boring machine, belonging to the technical field of special mechanical equipment for tunnel construction. The replacement device includes a connecting seat, a first connecting member, a second connecting member, and a third connecting member. One end of the connecting seat is connected to the self-aligning bearing assembly. The first connecting member connects the gearbox and the bearing sleeve in the main drive structure of the tunnel boring machine. The second connecting member connects the gearbox and the connecting seat in the main drive structure of the tunnel boring machine. The third connecting member connects the gearbox and the connecting seat in the main drive structure of the tunnel boring machine. The utility model provides a special replacement device capable of replacing the self-aligning bearing assembly in the main drive structure of the tunnel boring machine within the limited space of an underground chamber. This allows the self-aligning bearing in the main drive structure of the tunnel boring machine to be quickly replaced in the chamber after damage, saving the time required for the tunnel boring machine to return to the chamber and improving the utilization rate of the tunnel boring machine.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment special for tunnel construction, relates to a replacing device of a main driving aligning bearing of a heading machine, and particularly relates to a main driving structure of the heading machine, which can be quickly replaced in a limited space of an underground chamber.
Background
At present, the space limitation and the load requirement of the development machine are improved, and especially, the small-diameter TBM development machine is more and more widely applied, the load and impact vibration are larger, and the maintenance operation difficulty of the main drive of the closed transmission piece in the limited space of the underground chamber is larger. The main drive of the existing heading machine cannot operate once the main drive is damaged in the operation process, and the operation efficiency of the main drive and the whole machine of the heading machine is directly affected.
Disclosure of utility model
The utility model solves the problems of large operation difficulty and limited operation space of replacing the self-aligning bearing in the limited space of the underground chamber of the main driving internal sub-component of the heading machine, and effectively improves the construction operation efficiency.
The utility model provides a replacing device of a main driving aligning bearing of a development machine, which is used for disassembling and/or installing aligning bearing components in a main driving structure of the development machine, wherein the replacing device comprises a connecting seat, a first connecting piece, a second connecting piece and a third connecting piece;
One end of the connecting seat is connected with the aligning bearing assembly, and the other end of the connecting seat extends to one end far away from the aligning bearing assembly along the central axis direction of the aligning bearing assembly;
One end of the first connecting piece is connected with a gearbox in the main driving structure of the heading machine, and the other end of the first connecting piece is connected with a bearing sleeve in the main driving structure of the heading machine;
one end of the second connecting piece is connected with a gearbox in the main driving structure of the heading machine, the other end of the second connecting piece is connected with the connecting seat in a sliding manner, and the sliding direction of the second connecting piece is the same as the central axis direction of the aligning bearing assembly;
One end of the third connecting piece is connected with a gearbox in the main driving structure of the heading machine, the other end of the third connecting piece is connected with the connecting seat in a sliding mode, and the sliding direction of the third connecting piece is the same as the direction of the central axis of the aligning bearing assembly.
Further, the replacing device further comprises a balancing weight assembly, and the balancing weight assembly is sleeved on one end, far away from the aligning bearing, of the connecting seat.
Optionally, be equipped with the mounting groove that is used for installing the balancing weight subassembly and be used for installing the mounting hole of fastener on the connecting seat, the balancing weight subassembly cover is located on the mounting groove, the central axis of mounting hole and the center bearing mutually perpendicular setting of connecting seat just set up on keeping away from the one end of aligning bearing subassembly for it is spacing to balancing weight subassembly.
Optionally, the weight assembly includes at least one weight.
Optionally, the connecting seat comprises a seat body, a connecting rod and a pressing plate arranged at one end of the seat body far away from the aligning bearing;
The seat body is of a hollow cylindrical structure, one end of the seat body is welded with a spacing ring, and the other end of the seat body is connected with the pressing plate;
The connecting rod sets up along the central axis of pedestal, and the one end of connecting rod extends to and links to each other with aligning bearing assembly, and the other end and the clamp plate of connecting rod are connected.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the special replacement device capable of replacing the aligning bearing assembly in the main driving structure of the tunneling machine in the limited space of the underground chamber is arranged, so that the aligning bearing in the main driving structure of the tunneling machine can be quickly replaced in the chamber after being damaged, the time for returning the tunneling machine to the chamber is saved, and the utilization rate of the tunneling machine is improved.
(2) According to the utility model, the balancing weight component is arranged, so that the multiple-degree-of-freedom drawing, dismounting and feeding assembly of the aligning bearing component are realized by adjusting different positions of the balancing weight component on the connecting seat and the weight of the balancing weight component and connecting the balancing weight component with a plurality of hanging points of the fixed end of the heading machine part through the lifting tool component (an external lifting structure such as an electric or manual hoist, a pneumatic or hydraulic cylinder and the like), and further the quick replacement of the aligning bearing component is realized.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic cross-sectional front view of a replacement device for a main drive aligning bearing assembly of the present utility model in conjunction with a main drive structure of a heading machine.
Wherein:
1. The special tool comprises a first aligning bearing, 2, a gear, 3, a second aligning bearing, 4, a bearing sleeve, 5, a first bearing sleeve lengthening positioning rod, 6, a special tool lengthening positioning rod, 7, a limiting piece, 8, a spacer ring, 9, a connecting seat, 10, a balancing weight component, 11, a fastener, 12, a pressing plate, 13, a connecting rod, 14, a nut, 15 and a second bearing sleeve lengthening positioning rod.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, the drawings of the present utility model are in simplified form and are not precisely proportioned, so as to facilitate and clearly assist in explaining the implementation of the present utility model, and the number of the present utility model is not limited to the specific number in the examples of the drawings, and the orientation or the positional relationship indicated by the "rear", "left", "right", "upper", "lower", "top", "bottom", middle ", etc. in the present utility model are all based on the orientation or the positional relationship shown in the drawings of the present utility model, and do not indicate or imply that the apparatus or the components referred to must have a specific orientation, nor should they be construed as limiting the present utility model.
Examples:
Referring to fig. 1, the replacing device of the main driving aligning bearing assembly of the heading machine is used for disassembling and/or assembling the aligning bearing assembly in the main driving structure of the heading machine.
The self-aligning bearing assembly comprises a first self-aligning bearing 1, a gear 2 and a second self-aligning bearing 3, wherein the first self-aligning bearing 1, the gear 2 and the second self-aligning bearing 3 are sequentially arranged along the central axis direction of the first self-aligning bearing 1, the gear 2 and the second self-aligning bearing 3 and are tightly connected in a hot-charging mode.
The replacing device comprises a first bearing sleeve lengthening positioning rod 5, a special tool lengthening positioning rod 6, a limiting piece 7, a spacer ring 8, a connecting seat 9, a balancing weight assembly 10, a fastening piece 11, a pressing plate 12, a connecting rod 13, a nut 14 and a second bearing sleeve lengthening positioning rod 15.
One end of the connecting seat 9 is connected with the aligning bearing 3, the other end of the connecting seat 9 extends along the central axis direction of the aligning bearing component to the other end far away from the aligning bearing component, and a connecting piece and a balancing weight component 10 are sleeved on the connecting seat 9. Specifically, a spacer ring 8 is welded on the connecting seat 9, the spacer ring 8 is connected with the aligning bearing 3 by a bolt, the connecting piece is fixedly arranged at the middle part of the connecting seat 9, the balancing weight component 10 is preferably composed of at least one balancing weight, the balancing weight component 10 is arranged at one end of the connecting seat 9 far away from the aligning bearing 3, and the relative position of the balancing weight component 10 arranged on the connecting seat 9 is limited and fixed by a fastener 11.
One end of the first bearing sleeve lengthening positioning rod 5 is connected with a gearbox in a main driving structure of the heading machine, and the other end of the first bearing sleeve lengthening positioning rod 5 is connected with a bearing sleeve 4 in the main driving structure of the heading machine. Specifically, one end of the first bearing sleeve lengthening positioning rod 5 is in threaded connection with the gearbox, and the other end of the first bearing sleeve lengthening positioning rod 5 is in sliding connection with the bearing sleeve 4.
One ends of the special tool lengthening positioning rod 6 and the second bearing sleeve lengthening positioning rod 15 are connected with a gearbox in a main driving structure of the heading machine, and the other ends of the special tool lengthening positioning rod 6 and the second bearing sleeve lengthening positioning rod 15 are connected with a connecting piece in a sliding mode. Specifically, one end of the special tool lengthening positioning rod 6 is in threaded connection with the gearbox, the other end of the special tool lengthening positioning rod 6 is in sliding connection with the connecting piece through a linear bearing, the sliding of the special tool lengthening positioning rod 6 is limited through a limiting piece 7, one end of the second bearing sleeve lengthening positioning rod 15 is in threaded connection with the gearbox, and the other end of the second bearing sleeve lengthening positioning rod 15 is in sliding connection with the connecting piece through a direct bearing.
Preferably, the connecting seat 9 preferably comprises a seat body, a connecting rod 13 and a pressing plate 12 arranged on one end of the seat body far away from the aligning bearing 3, the seat body is preferably in a hollow cylindrical structure, one end of the seat body is welded with a spacer ring 8, the other end of the seat body is connected with the pressing plate 12, the connecting rod 13 is arranged along the central axis of the seat body, one end of the connecting rod 13 extends to be connected with the gear 2, and the other end of the connecting rod 13 is connected with the pressing plate 12 through a nut 14.
Further preferably, the connecting seat 9 is provided with a mounting groove for mounting the balancing weight assembly 10 and a mounting hole for mounting the fastening piece 11, the balancing weight assembly 10 is sleeved on the mounting groove, and the central axis of the mounting hole and the central bearing of the connecting seat 9 are mutually perpendicular.
Preferably, the first bearing sleeve lengthening positioning rod 5, the special tool lengthening positioning rod 6 and the second bearing sleeve lengthening positioning rod 15 are all circumferentially arranged into at least one piece according to the requirement.
As a further embodiment of the present utility model, the process of installing the main driving aligning bearing assembly of the heading machine by using the replacing device specifically comprises the following steps:
Step 1, connecting a first aligning bearing, a gear and a second aligning bearing with each other through a molten wax film to form an aligning bearing assembly;
Step 2, connecting the replacing device with the aligning bearing assembly, and connecting one ends of the first bearing sleeve lengthening positioning rod 5, the special tool lengthening positioning rod 6 and the second bearing sleeve lengthening positioning rod 15 with a gearbox to complete connection of the replacing device with a main driving structure of the heading machine;
and 3, mutually meshing the gear with a driving gear on the gearbox, and installing the aligning bearing assembly at a designated position of a main driving structure of the heading machine through guiding of the first bearing sleeve lengthening positioning rod 5, the special tool lengthening positioning rod 6 and the second bearing sleeve lengthening positioning rod 15.
As a further embodiment of the present utility model, the process of removing the main drive aligning bearing assembly of the heading machine using the above-described replacement device is opposite to the process of installing the main drive aligning bearing assembly of the heading machine.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The replacing device of the main driving aligning bearing of the heading machine is used for disassembling and/or installing aligning bearing components in a main driving structure of the heading machine and is characterized by comprising a connecting seat (9), a first connecting piece, a second connecting piece and a third connecting piece;
One end of the connecting seat (9) is connected with the aligning bearing assembly, and the other end of the connecting seat (9) extends to one end far away from the aligning bearing assembly along the central axis direction of the aligning bearing assembly;
One end of the first connecting piece is connected with a gearbox in the main driving structure of the heading machine, and the other end of the first connecting piece is connected with a bearing sleeve in the main driving structure of the heading machine;
One end of the second connecting piece is connected with a gearbox in the main driving structure of the heading machine, the other end of the second connecting piece is in sliding connection with the connecting seat (9), and the sliding direction of the second connecting piece is the same as the central axis direction of the aligning bearing assembly;
one end of the third connecting piece is connected with a gearbox in the main driving structure of the heading machine, the other end of the third connecting piece is in sliding connection with the connecting seat (9), and the sliding direction of the third connecting piece is the same as the central axis direction of the aligning bearing assembly.
2. The replacement device according to claim 1, further comprising a weight assembly (10), said weight assembly (10) being sleeved on an end of the connection seat (9) remote from the aligning bearing.
3. The replacement device according to claim 2, characterized in that the connecting seat (9) is provided with a mounting groove for mounting the balancing weight component (10) and a mounting hole for mounting the fastener (11), the balancing weight component (10) is sleeved on the mounting groove, and the central axis of the mounting hole and the central bearing of the connecting seat (9) are mutually perpendicular and are arranged at one end far away from the aligning bearing component for limiting the balancing weight component (10).
4. A changing device according to claim 3, characterized in that the balancing weight assembly (10) comprises at least one balancing weight.
5. The exchange device according to any one of claims 1 to 4, wherein the connection seat (9) comprises a seat body, a connection rod (13) and a pressure plate (12) arranged on the end of the seat body remote from the aligning bearing;
The seat body is of a hollow cylindrical structure, one end of the seat body is welded with a spacing ring, and the other end of the seat body is connected with the pressing plate (12);
the connecting rod (13) is arranged along the central axis of the seat body, one end of the connecting rod (13) extends to be connected with the aligning bearing assembly, and the other end of the connecting rod (13) is connected with the pressing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422580992.1U CN223265570U (en) | 2024-10-25 | 2024-10-25 | A replacement device for the main drive self-aligning bearing of a tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422580992.1U CN223265570U (en) | 2024-10-25 | 2024-10-25 | A replacement device for the main drive self-aligning bearing of a tunnel boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223265570U true CN223265570U (en) | 2025-08-26 |
Family
ID=96794195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422580992.1U Active CN223265570U (en) | 2024-10-25 | 2024-10-25 | A replacement device for the main drive self-aligning bearing of a tunnel boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223265570U (en) |
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2024
- 2024-10-25 CN CN202422580992.1U patent/CN223265570U/en active Active
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