CN215762867U - Bearing seat for test of cutting gear box - Google Patents
Bearing seat for test of cutting gear box Download PDFInfo
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- CN215762867U CN215762867U CN202121377143.6U CN202121377143U CN215762867U CN 215762867 U CN215762867 U CN 215762867U CN 202121377143 U CN202121377143 U CN 202121377143U CN 215762867 U CN215762867 U CN 215762867U
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- tool shaft
- cutting
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Abstract
The utility model relates to the technical field of a tunneling and anchoring machine, in particular to a bearing seat for a cutting gear box test, which comprises a main box body and a tool shaft penetrating through the main box body, wherein the tool shaft is rotatably connected with the main box body, the input end of the tool shaft is connected with a common motor, and the output end of the tool shaft is connected with the input shaft of a cutting gear box to be tested; the main box body is fixed on the outer wall of the cutting gear box to be detected, a lubricating oil path is arranged in the main box body, an oil inlet of the lubricating oil path is arranged above the tool shaft, and an oil return port of the lubricating oil path is arranged below the tool shaft. According to the utility model, the tool shaft capable of extending into the cutting gear box to be tested is arranged, the input end of the tool shaft is connected with the common motor, and the output end of the tool shaft is connected with the input shaft of the cutting gear box to be tested, so that the common motor can be used for driving the cutting gear box to be tested to work, the test cost is reduced, meanwhile, the lubricating oil path is arranged in the main box body, the bearing is lubricated, the temperature of the main box body is reduced, and smooth backflow and safe and reliable power input are ensured.
Description
Technical Field
The utility model relates to the technical field of a tunneling and anchoring machine, in particular to a bearing seat for a cutting gear box test.
Background
The digging and anchoring machine is a long-wall working face digging device which is used in the coal mining industry and can realize the functions of cutting, loading, transporting and bolting. The cutting gear box is a key part for the working of the cutting drum of the excavator and is equipment necessary for realizing the functions.
Because the input shaft of the cutting gear box is embedded into the gear box body, the cutting gear box can only adopt a special power motor to provide power input for the cutting gear box in the actual work. Before the cutting gear box leaves the factory, the actual power input state of the cutting gear box needs to be simulated, and then no-load and loading tests of the cutting gear box are carried out, so that the cutting gear box can be guaranteed to normally put into actual work. If in the process of the simulation test, special power motors are still equipped for the cutting gear boxes of different models as the power input of the cutting gear boxes, the test cost can be greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bearing seat for testing a cutting gear box, which can use a common motor to input power to the cutting gear box to be tested in the testing process, ensure the safety and reliability of the power input and reduce the testing cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a bearing support for testing a cutting gearbox, comprising:
the main box body is fixed on the outer wall of the cutting gear box to be detected;
the tool shaft penetrates through the main box body and is rotatably connected with the main box body, the input end of the tool shaft is connected with a common motor, and the output end of the tool shaft is connected with the input shaft of the cutting gear box to be detected;
the lubricating oil way is arranged in the main box body, an oil inlet of the lubricating oil way is arranged above the tool shaft, and an oil return opening of the lubricating oil way is arranged below the tool shaft.
Preferably, the tool shaft is connected with the main box body through two rolling bearings, and the rolling bearings are arranged at intervals along the axial direction of the tool shaft.
Preferably, the oil inlet and the oil return port are both arranged on the symmetrical planes of the two rolling bearings.
Preferably, the bearing seat for the cutting gear box test further comprises a transparent cover, and the transparent cover is arranged on one side of the input end of the tool shaft and detachably connected with the main box body.
Preferably, the bearing seat for the cutting gearbox test further comprises a sealing cover plate, and the sealing cover plate is arranged on one side of the output end of the tool shaft and detachably connected with the main box body.
Preferably, the input end and the output end of the tool shaft are both sleeved with adjusting washers, and the adjusting washers are respectively clamped between the transparent cover and the main box body and between the sealing cover plate and the main box body.
Preferably, the input end and the output end of the tool shaft are both sleeved with shaft sleeves, and the shaft sleeves are in interference fit with the tool shaft and in clearance fit with the transparent cover and the sealing cover plate.
Preferably, sealing assemblies are arranged between the transparent cover and the shaft sleeve and between the sealing cover plate and the shaft sleeve.
Preferably, the seal assembly comprises a single-lip framework seal and a double-lip framework seal which are sequentially arranged along the axial direction of the tool shaft, the single-lip framework seal is arranged on one side away from the rolling bearing, and the double-lip framework seal is arranged on one side close to the rolling bearing.
Preferably, the main box body is provided with at least two sizes of mounting through holes for connecting with cutting gear boxes to be tested of different models.
The utility model has the beneficial effects that: according to the utility model, the main box body fixed with the outer wall of the cutting gear box to be tested is arranged, the input end of the tool shaft is connected with the common motor, and the output end of the tool shaft is connected with the input shaft of the cutting gear box to be tested, so that when the power input state of the cutting gear box to be tested is simulated, the common motor can be used for driving the cutting gear box to be tested to work, the test cost is reduced, meanwhile, a lubricating oil path is arranged in the main box body, a bearing is lubricated, the temperature of the main box body is reduced, the oil inlet is arranged at the upper end of the tool shaft, and the oil return port is arranged at the lower end of the tool shaft, so that smooth backflow is ensured, and the safety and reliability of power input are ensured.
Drawings
FIG. 1 is a schematic structural diagram of a bearing seat for a cutting gearbox test provided by the utility model;
FIG. 2 is a schematic view of a mounting through hole of the main housing provided in the present invention;
figure 3 is a schematic view of the assembly of the bearing seat provided by the utility model with a cutting gear box and a common motor.
In the figure:
1. a main box body; 11. a rolling bearing; 12. a first mounting through hole; 13. a second mounting through hole;
2. a tooling shaft; 21. an input end; 22. an output end;
3. a lubrication oil path; 31. an oil inlet; 32. an oil return port;
4. a transparent cover; 5. sealing the cover plate; 6. an adjusting washer; 7. a shaft sleeve;
8. a seal assembly; 81. sealing the single-lip framework; 82. sealing the double-lip framework;
9. a cutting gearbox to be tested; 10. a common motor.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, the embodiment provides a bearing seat for a cutting gearbox test, which includes a main box body 1 and a tooling shaft 2 penetrating through the main box body 1, wherein the tooling shaft 2 is rotatably connected with the main box body 1, an input end 21 of the tooling shaft 2 is connected with a common motor 10, and an output end 22 of the tooling shaft 2 is connected with an input shaft of a cutting gearbox 9 to be tested; the main box body 1 is fixed on the outer wall of the cutting gear box 9 to be tested, specifically, the main box body 1 is connected with the outer wall of the cutting gear box 9 to be tested through a flange, preferably, at least two mounting through holes with different sizes are formed on the main box body 1 and are used for being connected with the cutting gear boxes 9 to be tested with different models, as shown in fig. 2, a first mounting through hole 12 and a second mounting through hole 13 are formed on the main box body 1, the universality of the bearing seat for the cutting gear box test provided by the embodiment is improved, the bearing seat can be matched with the cutting gear boxes 9 to be tested with various models, more specifically, in the embodiment, the diameter of the first mounting through hole 12 is 22.5mm, the number of the first mounting through holes is 10, the diameter of the second mounting through hole 13 is 27mm, the number of the second mounting through holes is 6, wherein the first mounting through holes 12 are symmetrically arranged up and down, and the second mounting through holes 13 are uniformly arranged along the circumferential direction of the main box body 1, the stability of being connected between the main tank body 1 and the outer wall of the cutting gear box 9 to be tested is guaranteed, and in other embodiments, more mounting through holes with different diameters can be formed, so that the bearing seat can be matched with cutting gear boxes 9 to be tested with more models. Meanwhile, a lubricating oil path 3 is arranged in the main box body 1, an oil inlet 31 of the lubricating oil path 3 is arranged above the tool shaft 2, and an oil return opening 32 is arranged below the tool shaft 2.
This embodiment is through setting up the main tank body 1 fixed with the cutting gear box 9 outer wall that awaits measuring, be connected input 21 and the ordinary motor 10 of frock axle 2, the output 22 of frock axle 2 and the input shaft of the cutting gear box 9 that awaits measuring, make when the power input state simulation of carrying out to the cutting gear box 9 that awaits measuring, can use ordinary motor 10 to drive the work of the cutting gear box 9 that awaits measuring, the test cost is reduced, simultaneously because frock axle 2 lasts work, in the consideration of this aspect of probably too high temperature to main tank body 1 inside, set up lubricated oil circuit 3 in main tank body 1 inside, lubricated bearing reduces main tank body 1's temperature, oil inlet 31 sets up in frock axle 2 upper ends, oil return opening 32 sets up at frock axle 2 lower extremes, guarantee that the backward flow is smooth and easy, guarantee power input safe and reliable with this.
Specifically, the tool shaft 2 is connected with the main box body 1 through two rolling bearings 11, the rolling bearings 11 are arranged at intervals along the axial direction of the tool shaft 2, wherein the inner ring of each rolling bearing 11 is matched with the tool shaft 2, the rolling bearings 2 rotate together, and the outer ring of each rolling bearing 11 is matched with the main box body 1 to play a supporting role. More specifically, the rolling bearings 11 provided in the present embodiment are each 6026 bearings.
Further, the oil inlet 31 and the oil return opening 32 of the lubricating oil path 3 are both arranged on the symmetrical planes of the two rolling bearings 11 and arranged in the middle of the two rolling bearings 11, so that the two rolling bearings 11 can obtain a good lubricating effect. Furthermore, as shown in fig. 1, the lubricating oil path 3 includes first oil paths provided on opposite sides of the tool shaft 2 and second oil paths communicating the two first oil paths, the first oil paths are communicated with the oil inlet 31 and the oil outlet, and after the lubricating oil path 3 is provided, except for the oil inlet 31 and the oil outlet 32, other holes provided on the main box 1 for providing the lubricating oil path 3 are subjected to block welding to prevent the lubricating oil in the lubricating oil path 3 from leaking.
The bearing seat for the test of the cutting gearbox further comprises a transparent cover 4, wherein the transparent cover 4 is arranged on one side of the input end 21 of the tool shaft 2 and detachably connected with the main box body 1, and the transparent cover 4 is convenient to detach. Specifically, pass through lid 4 and main tank body 1 bolted connection, more specifically, be equipped with first mounting hole on the main tank body 1, pass through to be equipped with the second mounting hole with first mounting hole one-to-one on the lid 4, first bolt passes second mounting hole and first mounting hole in proper order, accomplishes to pass through being connected between lid 4 and the main tank body 1, preferably, first mounting hole and second mounting hole all are equipped with a plurality ofly, guarantee to pass through lid 4 and main tank body 1 and can stabilize and be connected.
Specifically, as shown in fig. 3, the transparent cover 4 is further provided with a first through hole, the input end 21 of the tool shaft 2 can penetrate through the first through hole and extend out of the main box body 1, and the output end of the common motor 10 is connected with the input end 21 of the tool shaft 2 through a coupler, so that the common motor 10 provides power and drives the tool shaft 2 to rotate. More specifically, the diameter of the first through hole is 105mm, the fit tolerance of the first through hole is H7, the outer diameter of the input end 21 of the tool shaft 2 is also 105mm, and the fit tolerance is p 6.
The bearing seat for the test of the cutting gearbox provided by the embodiment further comprises a sealing cover plate 5, wherein the sealing cover plate 5 is arranged on one side of the output end 22 of the tool shaft 2 and is also detachably connected with the main box body 1, and the sealing cover plate 5 is convenient to detach. Specifically, sealed apron 5 all with main tank body 1 bolted connection, more specifically, be equipped with the third mounting hole on the main tank body 1, be equipped with the fourth mounting hole with third mounting hole one-to-one on the sealed apron 5 respectively, the second bolt passes fourth mounting hole and third mounting hole in proper order, accomplishes being connected between sealed apron 5 and the main tank body 1, preferably, third mounting hole and fourth mounting hole all are equipped with a plurality ofly, guarantee that sealed apron 5 and main tank body 1 can stabilize and be connected.
Specifically, as shown in fig. 3, the sealing cover plate 5 is provided with a second through hole, the output end 22 of the tooling shaft 2 can pass through the second through hole and extend out of the main box body 1, and it is ensured that the output end 22 can extend into the cutting gear box 9 to be measured, more specifically, the diameter of the second through hole is 105mm, the fitting tolerance of the second through hole is H7, the outer diameter of the output end 22 of the tooling shaft 2 is also 105mm, and the fitting tolerance is p 6. Further, the output end 22 of the tooling shaft 2 extending into the cutting gear box 9 to be tested is connected with the input shaft accommodated in the cutting gear box 9 to be tested, specifically, the output end 22 of the tooling shaft 2 is connected with the input shaft of the cutting gear box 9 to be tested through a flat key, and more specifically, the flat key provided in the embodiment is an a-type key. The input shaft of the cutting gear box 9 to be tested is driven to rotate in the rotating process of the tool shaft 2, and the common motor 10 is used for providing input power for the cutting gear box 9 to be tested, so that no-load and loading tests are carried out on the cutting gear box 9 to be tested.
Furthermore, the input end 21 of the tool shaft 2 is sleeved with the adjusting washer 6, the adjusting washer 6 is clamped between the transparent cover 4 and the main box body 1, the tool shaft 2 is axially limited, the tool shaft 2 is prevented from moving to one side close to the transparent cover 4 along the axial direction in the rotating process, and the safety and the reliability of the common motor 10 for providing input power for the input end 21 of the tool shaft 2 are influenced.
Similarly, the output end 22 of the tool shaft 2 is also sleeved with an adjusting washer 6, the adjusting washer 6 is clamped between the sealing cover plate 5 and the main box body 1, and further axial limiting is performed on the tool shaft 2, so that the tool shaft 2 is prevented from moving to one side close to the sealing cover plate 5 along the axial direction in the rotating process, and the safety and reliability of input power provided by the output end 22 of the tool shaft 2 to the input shaft of the cutting gear box 9 to be tested are influenced.
Further, the input 21 cover of frock axle 2 is equipped with axle sleeve 7, axle sleeve 7 presss from both sides and locates between frock axle 2 and the transparent cover 4, and with the input 21 interference fit of frock axle 2, with transparent cover 4 clearance fit, axle sleeve 7 plays the guard action to the input 21 of frock axle 2, prevent that the input 21 of frock axle 2 from producing wearing and tearing with transparent cover 4 in the course of the work, it is inconvenient to change frock axle 2, press from both sides axle sleeve 7 and locate between the input 21 of frock axle 2 and the transparent cover 4, in the input 21 course of the work of frock axle 2, only can wear and tear the axle sleeve 7 of locating the input 21 outer wall of frock axle 2, it can to change axle sleeve 7 when axle sleeve 7 wearing and tearing are serious, the replacement cost has been reduced.
Because the shaft sleeve 7 is in clearance fit with the transparent cover 4, a sealing assembly 8 is arranged between the transparent cover 4 and the shaft sleeve 7, and lubricating oil is prevented from leaking from the clearance between the shaft sleeve 7 and the transparent cover 4. Specifically, the seal assembly 8 that this embodiment provided includes that the single lip skeleton that sets gradually along frock axle 2 axial seals 81 and the double-lip skeleton seals 82, and single lip skeleton seals 81 set up in the one side of keeping away from antifriction bearing 11, and double-lip skeleton seals 82 set up in the one side of being close to antifriction bearing 11, and the reliability of sealing can be guaranteed in the double-deck seal structure setting. In other embodiments, the sealing assembly 8 may be other sealing structures, which can achieve a good sealing effect, and is not limited herein.
Similarly, the output end 22 of the tooling shaft 2 is also sleeved with a shaft sleeve 7, the shaft sleeve 7 is clamped between the tooling shaft 2 and the sealing cover plate 5, and is in interference fit with the output end 22 of the tooling shaft 2, and is in clearance fit with the sealing cover plate 5, the shaft sleeve 7 also plays a role in protecting the output end 22 of the tooling shaft 2, so that the output end 22 of the tooling shaft 2 is prevented from being abraded between the output end 22 of the tooling shaft 2 and the sealing cover plate 5 in the working process, the tooling shaft 2 is inconvenient to replace, the shaft sleeve 7 is clamped between the output end 22 of the tooling shaft 2 and the sealing cover plate 5, in the working process of the output end 22 of the tooling shaft 2, only the shaft sleeve 7 sleeved on the outer wall of the output end 22 of the tooling shaft 2 can be abraded, the shaft sleeve 7 can be replaced when the shaft sleeve 7 is abraded seriously, and the replacement cost is also reduced.
Because the shaft sleeve 7 is in clearance fit with the sealing cover plate 5, a sealing assembly 8 is also arranged between the sealing cover plate 5 and the shaft sleeve 7, and lubricating oil is prevented from leaking from a clearance between the shaft sleeve 7 and the sealing cover plate 5. Specifically, the sealing assembly 8 provided in this embodiment has the same structure as the sealing assembly 8 between the shaft sleeve 7 and the transparent cover 4, and is also a double-layer sealing structure including a single-lip skeleton seal 81 and a double-lip skeleton seal 82, and redundant description is not repeated here.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A bearing frame for testing a cutting gearbox, comprising:
the main box body (1), the main box body (1) is fixed on the outer wall of the cutting gear box (9) to be measured;
the tool shaft (2) penetrates through the main box body (1) and is rotatably connected with the main box body (1), the input end (21) of the tool shaft (2) is connected with a common motor (10), and the output end (22) of the tool shaft is connected with the input shaft of the cutting gear box (9) to be detected;
lubricating oil circuit (3), set up lubricating oil circuit (3) in the main tank body (1), oil inlet (31) of lubricating oil circuit (3) are located frock axle (2) top, oil return opening (32) of lubricating oil circuit (3) are located the below of frock axle (2).
2. Bearing support for cutting gearbox tests according to claim 1, characterized in that the tool shaft (2) is connected with the main housing (1) by means of two rolling bearings (11), the rolling bearings (11) being arranged at intervals in the axial direction of the tool shaft (2).
3. The bearing housing for the test of cutting gearboxes according to claim 2, characterized in that the oil inlet (32) and the oil return (32) are both provided on the symmetry plane of the two rolling bearings (11).
4. Bearing support for tests on cutting gearboxes according to claim 2, characterized in that it further comprises a transparent cover (4), said transparent cover (4) being provided on one side of said input end (21) of said tooling shaft (2) and being removably connected to said main casing (1).
5. A bearing housing for testing cutting gearboxes according to claim 4, characterized by further comprising a sealing cover plate (5), wherein the sealing cover plate (5) is arranged on one side of the output end (22) of the tool shaft (2) and is detachably connected with the main box body (1).
6. A bearing housing for testing cutting gearboxes according to claim 5, characterized in that the input end (21) and the output end (22) of the tool shaft (2) are sleeved with adjusting washers (6), and the adjusting washers (6) are respectively clamped between the transparent cover (4) and the main box body (1) and between the sealing cover plate (5) and the main box body (1).
7. A bearing housing for testing cutting gearboxes according to claim 5, characterized in that the input end (21) and the output end (22) of the tool shaft (2) are both sleeved with a shaft sleeve (7), and the shaft sleeve (7) is in interference fit with the tool shaft (2) and in clearance fit with both the transparent cover (4) and the sealing cover plate (5).
8. Bearing support for cutting gearbox tests according to claim 7, characterized in that sealing assemblies (8) are provided between the transparent cover (4) and the shaft sleeve (7) and between the sealing cover plate (5) and the shaft sleeve (7).
9. The bearing seat for the cutting gearbox test according to claim 8, characterized in that the sealing assembly (8) comprises a single-lip skeleton seal (81) and a double-lip skeleton seal (82) which are sequentially arranged along the axial direction of the tool shaft (2), wherein the single-lip skeleton seal (81) is arranged on one side far away from the rolling bearing (11), and the double-lip skeleton seal (82) is arranged on one side close to the rolling bearing (11).
10. Bearing block for testing cutting gearboxes according to any one of claims 1 to 9, characterized in that the main casing (1) is provided with mounting through holes of at least two sizes for connection with different models of cutting gearboxes (9) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377143.6U CN215762867U (en) | 2021-06-21 | 2021-06-21 | Bearing seat for test of cutting gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377143.6U CN215762867U (en) | 2021-06-21 | 2021-06-21 | Bearing seat for test of cutting gear box |
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| Publication Number | Publication Date |
|---|---|
| CN215762867U true CN215762867U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377143.6U Active CN215762867U (en) | 2021-06-21 | 2021-06-21 | Bearing seat for test of cutting gear box |
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| CN (1) | CN215762867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688170A (en) * | 2022-05-17 | 2022-07-01 | 南京高精齿轮集团有限公司 | Bearing seat structure for shield machine gear box test and shield machine gear box test system |
-
2021
- 2021-06-21 CN CN202121377143.6U patent/CN215762867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688170A (en) * | 2022-05-17 | 2022-07-01 | 南京高精齿轮集团有限公司 | Bearing seat structure for shield machine gear box test and shield machine gear box test system |
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