CN213685236U

CN213685236U - Driving mechanism for shaft tunneling

Info

Publication number: CN213685236U
Application number: CN202121289193.9U
Authority: CN
Inventors: 刘派; 莫佩森; 甘航宇; 韩涛; 杜剑
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-07-13
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a driving mechanism for shaft tunneling, which comprises a driving box, a connecting flange, a lubricating component and a main bearing; the connecting flange, the main bearing and the driving box are connected and assembled to form a first cavity and a second cavity which are communicated with each other; the lubricating assembly comprises a pipeline and a power assembly; the utility model discloses a power component and pipeline cooperation, with the lubricating medium extraction to the first cavity in the second cavity, in the lubricating medium in the first cavity flowed into the second cavity through the clearance between flange and the drive incasement wall to accomplish the lubricating medium circulation under the shaft tunnelling state.

Description

Driving mechanism for shaft tunneling

Technical Field

The utility model relates to a shaft tunnelling field, concretely relates to actuating mechanism that shaft was tunneled.

Background

The existing shaft heading machine has the tunneling state of vertical downward, which is different from the conventional horizontal heading mode, so that the conventional oil circuit circulation mode cannot meet the lubrication of the driving mechanism of the heading machine during vertical heading; in addition, in the prior art, an oil way circularly injects oil into a gear box of the shaft boring machine through an oil injection hole so as to lubricate gears, but the liquid level of the oil in the gear box is difficult to control, when the liquid level is too low, the gears in the gear box cannot be lubricated, and when the liquid level is too high, the risk of oil overflow exists.

In view of the above, there is a need for a driving mechanism for shaft tunneling capable of oil circuit circulation and having oil level height monitoring to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out oil circuit circulation and have the actuating mechanism that the shaft of fluid liquid level height monitoring was tunneled, concrete technical scheme as follows:

a driving mechanism for shaft tunneling comprises a driving box, a connecting flange, a lubricating assembly and a main bearing; the connecting flange is arranged in the driving box, and the connecting flange, the main bearing and the driving box are matched to form a first cavity and a second cavity which are communicated with each other; the lubricating assembly comprises a pipeline and a power assembly; one end of the pipeline is communicated with the first cavity, and the other end of the pipeline is communicated with the second cavity; the power assembly is arranged on the pipeline, and the lubricating medium is circulated in the first cavity and the second cavity through the cooperation of the power assembly and the pipeline.

Preferably, in the above technical solution, the main bearing includes an inner ring and an outer ring disposed in the second cavity; the outer ring is provided with a through hole; the driving box is provided with a mounting hole which corresponds to the through hole on the outer ring; the pipeline comprises an external pipeline and an oil pumping pipe which are communicated; one end, far away from the oil pumping pipe, of the external pipeline is communicated with the first cavity, and one end, far away from the external pipeline, of the oil pumping pipe sequentially penetrates through the mounting hole and the through hole and extends to the bottom of the second cavity.

Preferably, the lubricating assembly further comprises an oil tank for storing a medium; the oil tank is communicated with the pipeline.

Preferably, a cooling assembly is arranged outside the oil tank.

Preferably, the power assembly comprises a first power part and a second power part; the first power part and the second power part are both arranged on the pipeline; the oil tank is positioned between the first power part and the second power part along the length direction of the pipeline; the first power part is used for pumping the lubricating medium in the second cavity into the oil tank; the second power part is used for conveying the lubricating medium in the oil tank to the first cavity.

The above technical solution is preferable, further comprising a detecting member; the detection piece is arranged in the first cavity and used for detecting the liquid level height of the lubricating medium in the first cavity along the tunneling direction.

The preferable technical scheme also comprises a control system; the detection piece and the second power piece are connected with the control system.

Above technical scheme is preferred, the detection piece is the level gauge.

According to the preferable technical scheme, a gap for communicating the first cavity and the second cavity is formed between the connecting flange and the inner wall of the driving box along the radial direction of the connecting flange, and the range of the gap is 2-20 mm.

Above technical scheme is preferred, be equipped with the water conservancy diversion portion that is used for guiding the lubricated medium to the clearance on the flange.

Use the technical scheme of the utility model, following beneficial effect has:

(1) the utility model discloses a driving mechanism for shaft boring, which comprises a driving box, a connecting flange, a lubricating component and a main bearing; the connecting flange, the main bearing and the driving box are connected and assembled to form a first cavity and a second cavity which are communicated with each other; the lubricating assembly comprises a pipeline and a power assembly; the utility model discloses a power component and tube-line fit, with the lubricated medium (like fluid) extraction to the first cavity in the second cavity, the lubricated medium in the first cavity flows into in the second cavity through the clearance between flange and the drive box inner wall to accomplish the lubricated medium circulation under the shaft tunnelling state.

(2) The main bearing of the utility model comprises an inner ring and an outer ring which are arranged in the second cavity; the outer ring is provided with a through hole; the driving box is provided with a mounting hole which corresponds to the through hole on the outer ring; the pipeline comprises an external pipeline and an oil pumping pipe which are communicated; one end, far away from the oil pumping pipe, of the external pipeline is communicated with the first cavity, one end, far away from the external pipeline, of the oil pumping pipe penetrates through the mounting hole and the through hole in sequence and extends to the bottom of the second cavity, installation is facilitated, the oil pumping pipe can be inserted into the mounting hole and the through hole, and complete circulation of a lubricating medium is achieved.

(3) The utility model discloses a lubricated subassembly still includes the oil tank, through oil tank storage and supplementary lubricated medium.

(4) The utility model discloses an oil tank outside has set up cooling module, is convenient for cool down lubricating medium, guarantees lubricated effect.

(5) The utility model discloses a power component includes first power spare and second power spare, extracts and carries the lubricated medium through first power spare and second power spare, guarantees that the lubricated medium under the vertical state of drivage can carry out effective circulative cooling, is equipped with filter assembly on the preferred oil pumping pipe, is convenient for filter the impurity in the lubricated medium.

(6) The utility model discloses still including the detection piece, detect the liquid level height in the first cavity through the detection piece, avoid the liquid level height to cross lowly or too high to avoid lubricated inefficacy or lubricating medium excessive.

(7) The utility model also comprises a control system; the detection piece and the second power piece are connected with the control system, the liquid level height detected by the detection piece is fed back to the control system, and the control system further controls the second power piece to convey or stop conveying the lubricating medium, so that the control of the liquid level height is realized.

(8) The utility model discloses a detect the piece and be the liquid level detection meter, be convenient for accurately detect the liquid level height in the first cavity.

(9) The utility model has the advantages that a gap for communicating the first cavity and the second cavity is formed between the connecting flange and the inner wall of the driving box; the lubricating medium in the second cavity is pumped away, so that the lubricating medium in the first cavity flows into the second cavity through the gap, and the roller path of the main bearing is lubricated and scoured.

(10) The utility model discloses a water conservancy diversion portion is convenient for in the lubricating medium guide clearance in the first cavity.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In the drawings:

fig. 1 is a schematic structural view (cross sectional line is shown) of a driving mechanism for shaft boring of the present embodiment;

FIG. 2 is a partial schematic view of FIG. 1;

FIG. 3 is an enlarged view of A in FIG. 1;

1. a drive box; 1.1, mounting holes; 1.2, an oil filling hole; 2. a connecting flange; 2.1, a flow guide part; 3. a lubrication assembly; 3.1, pipelines; 3.11, external pipelines; 3.12, an oil pumping pipe; 3.2, an oil tank; 3.3, a first power part; 3.4, a second power part; 4. a main bearing; 4.1, an inner ring; 4.2, an outer ring; 4.3, cylindrical rollers; 5. a first cavity; 6. a second cavity; 7. a gap; 8. a detection member; 9. a large gear ring.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example (b):

a driving mechanism for shaft tunneling comprises a driving box 1, a connecting flange 2, a lubricating component 3, a main bearing 4 and a detection piece 8, as shown in figures 1-3, the driving mechanism comprises the following components:

as shown in fig. 2 and 3, after the connecting flange 2, the main bearing 4 and the driving box 1 are connected and assembled, a first cavity 5 and a second cavity 6 which are communicated with each other are formed, and the first cavity 5 and the second cavity 6 are communicated with each other along the tunneling direction; the connecting flange 2 is matched with the inner wall of the driving box along the radial direction to form a gap 7 for communicating the first cavity 5 and the second cavity 6, and a lubricating medium in the first cavity is communicated into the second cavity through the gap 7.

Preferably, the connecting flange 2 is fixedly connected with a large gear ring 9, the large gear ring 9 is positioned in the first cavity 5, and the connecting flange is driven to rotate through the large gear ring, so that the cutter head is driven to rotate; the lubricating medium (e.g., oil) in the first chamber is capable of lubricating the large gear ring and a gear (not shown) directly or indirectly engaged with the large gear ring.

The radial width of the gap 7 along the connecting flange 2 is 2-20mm, and a flow guide part 2.1 is arranged at the position, close to the gap 7, of the connecting flange 2, so that a lubricating medium can be conveniently guided into the gap, and the lubricating medium can flow into the second cavity from the gap.

As shown in fig. 2 and 3, the main bearing 4 is sleeved on the outer wall of the connecting flange 2, and the main bearing is located in the second cavity; the method comprises the following steps: the main bearing 4 comprises an inner ring 4.1, an outer ring 4.2 and a cylindrical roller 4.3; the inner ring and the outer ring are sleeved, and the cylindrical roller is arranged between the inner ring and the outer ring; the inner ring 4.1 is sleeved on the outer wall of the connecting flange 2 and fixedly connected with the connecting flange, a lubricating medium in the first cavity 5 flows into the gap 7, the lubricating medium flowing out of the gap 7 flows into a space between the inner ring and the outer ring (namely a roller path), so that the cylindrical roller 4.3 is lubricated and flushed, and the lubricating medium after lubrication flows to the bottom of the second cavity 6 from the main bearing.

As shown in fig. 2, the lubricating assembly 3 includes a pipeline 3.1, an oil tank 3.2 and a power assembly, the pipeline 3.1 includes an external pipeline 3.11 and an oil pumping pipe 3.12 which are communicated with each other, specifically:

an oil filling hole 1.2 communicated with the first cavity is formed in the outer wall of the first cavity 5; the driving box 1 is provided with a mounting hole 1.1, and one end of the external pipeline, which is far away from the oil pumping pipe, is communicated with the oil injection hole 1.2; a through hole is formed in the outer ring 4.2 of the main bearing along the tunneling direction; the through hole corresponds to the mounting hole along the tunneling direction, and one end, far away from the external pipeline, of the oil pumping pipe sequentially penetrates through the mounting hole and the through hole along the tunneling direction and extends to the bottom of the second cavity 6, so that the lubricating medium and impurities at the bottom of the second cavity can be conveniently pumped.

As shown in fig. 1, the oil tank 3.2 is communicated with a pipeline 3.1 for storing and supplementing a lubricating medium; specifically, the oil tank is communicated with an external pipeline, and a cooling assembly such as oil cooling or water cooling is preferably arranged on the oil tank, and the prior art is specifically referred to.

As shown in fig. 2, the power assembly includes a first power member 3.3 and a second power member 3.4, both of which are preferably pump structures; the first power part and the second power part are arranged on an external pipeline, the lubricating medium at the bottom of the second cavity is extracted into the oil tank through the first power part, and the lubricating medium in the oil tank is extracted into the oil hole through the second power part, so that the lubricating medium is injected into the first cavity.

The system also comprises a control system; the detection piece 8 is arranged in the first cavity 5, can detect the liquid level height (height in the tunneling direction) of the lubricating medium in the first cavity and feed back the detection result to the control system, and the control system judges whether the second power piece needs to be controlled to supplement the lubricating medium to the first cavity or not according to the fed-back detection result. The detection member is preferably a liquid level detection meter. The control system is referred to the prior art.

The working process of the driving mechanism for shaft tunneling comprises the following steps:

lubricating media with certain heights are injected into a first cavity 5 and a second cavity 6 formed by the driving box 1 and the connecting flange 2, and in order to realize the circulating cooling of the lubricating media, the lubricating media at the bottom of the second cavity are pumped to an oil tank 3.2 through a first power part 3.3 and an oil pumping pipe during tunneling. At this time, the lubricating medium in the first cavity 5 flows to the space between the inner ring 4.1 and the outer ring 4.2 of the main bearing through the gap 7, and the cylindrical rollers 4.3 are lubricated and washed. At the same time of extraction, the low-temperature clean lubricating medium in the oil tank 3.2 is conveyed to the oil hole 1.2 through the second power part 3.4.

A filtering component is arranged between the second power part and the oil pumping pipe, impurities in the lubricating medium can be filtered by the filtering component, and meanwhile the quality of the lubricating medium can be judged by checking the filtering component.

The detection piece 8 detects the liquid level height of the lubricating medium in the first cavity 5, the detection result is fed back to the control system, and the control system judges whether the lubricating medium needs to be injected or not according to the detection result.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A driving mechanism for shaft tunneling is characterized by comprising a driving box (1), a connecting flange (2), a lubricating component (3) and a main bearing (4); the connecting flange (2) is arranged in the driving box (1), and the connecting flange (2), the main bearing (4) and the driving box (1) are matched to form a first cavity (5) and a second cavity (6) which are communicated with each other;

the lubricating component (3) comprises a pipeline (3.1) and a power component; one end of the pipeline (3.1) is communicated with the first cavity (5), and the other end is communicated with the second cavity (6); the power assembly is arranged on the pipeline, and the lubricating medium is circulated in the first cavity (5) and the second cavity (6) through the cooperation of the power assembly and the pipeline.

2. Shaft driving mechanism according to claim 1, characterized in that the main bearing (4) comprises an inner ring (4.1) and an outer ring (4.2) arranged in the second cavity (6); the outer ring (4.2) is provided with a through hole; a mounting hole (1.1) is formed in the driving box (1), and corresponds to a through hole in the outer ring (4.2); the pipeline (3.1) comprises an external pipeline (3.11) and an oil pumping pipe (3.12) which are communicated; one end, far away from the oil pumping pipe, of the external pipeline (3.11) is communicated with the first cavity (5), and one end, far away from the external pipeline, of the oil pumping pipe (3.12) sequentially penetrates through the mounting hole and the through hole and extends to the bottom of the second cavity (6).

3. Shaft driving mechanism according to claim 1, characterized in that the lubricating package (3) further comprises an oil tank (3.2) for storing a medium; the oil tank is communicated with the pipeline.

4. A shaft boring drive mechanism according to claim 3, wherein a cooling pack is provided externally of the oil tank.

5. A drive mechanism for shaft driving according to claim 3 wherein the power assembly comprises a first power member (3.3) and a second power member (3.4); the first power part and the second power part are both arranged on the pipeline; the oil tank is positioned between the first power part and the second power part along the length direction of the pipeline; the first power part is used for pumping the lubricating medium in the second cavity into the oil tank; the second power part is used for conveying the lubricating medium in the oil tank to the first cavity.

6. A shaft driving mechanism according to claim 5, further comprising a detector member (8); the detection piece is arranged in the first cavity (5) and used for detecting the liquid level height of the lubricating medium in the first cavity along the tunneling direction.

7. A shaft driving mechanism according to claim 6 further comprising a control system; the detection part (8) and the second power part (3.4) are both connected with a control system.

8. A drive mechanism for shaft driving according to claim 6 or 7, characterised in that the sensing member (8) is a level gauge.

9. A shaft driving mechanism according to claim 1, characterized in that a gap (7) for communicating the first cavity (5) and the second cavity (6) is formed between the connecting flange (2) and the inner wall of the driving box (1) in the radial direction of the connecting flange, and the gap (7) is in the range of 2-20 mm.

10. A shaft drive according to claim 9, characterized in that the connecting flange (2) is provided with a flow guide (2.1) for guiding the lubricating medium to the gap (7).