CN211951164U - Shaft for bracket carrier suspension steering - Google Patents
Shaft for bracket carrier suspension steering Download PDFInfo
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- CN211951164U CN211951164U CN202020533460.1U CN202020533460U CN211951164U CN 211951164 U CN211951164 U CN 211951164U CN 202020533460 U CN202020533460 U CN 202020533460U CN 211951164 U CN211951164 U CN 211951164U
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- main shaft
- spline
- shaft body
- axle
- suspension
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Abstract
The utility model discloses an axle that is used for support carrier suspension to turn to relates to support carrier's spare part technical field, has solved among the prior art technical problem that hydraulic support carrier's suspension can not turn to for the frame. The main shaft comprises a main shaft body, wherein a first spline and a second spline are respectively arranged on the shaft surface of the main shaft body, a flange plate is connected to the shaft end of the main shaft body on one side of the first spline, and the first spline is in meshing connection with a suspension of a bracket carrier; the other end of the main shaft body is connected with a first limiting nut and a locking device through threads, and a second spline is meshed with a driving piece for driving the suspension to rotate. The utility model discloses a suspension and the driving piece of hydraulic support carrier are connected respectively to the first spline that sets up on the main shaft body and second spline, make the driving piece rotate through main shaft body drive suspension to make the suspension can turn to for the frame.
Description
Technical Field
The utility model relates to a spare part technical field of support carrier particularly, indicates an axle that is used for support carrier suspension to turn to.
Background
A hydraulic support carrier is a novel special tool which is developed and developed specially aiming at the transportation or long-distance transportation of a hydraulic support in the retraction installation process of a fully mechanized coal mining face in a coal mine. Aiming at a large-tonnage support carrier, the traditional hydraulic support carrier is generally in a hinged form, the whole carrier is divided into a front rack and a U-shaped frame, the front rack is connected with the U-shaped frame through a hinged pin shaft, and two steering cylinders are arranged at the hinged part. In the steering process of the hydraulic support truck, the oil cylinder on one side extends out while the oil cylinder on the other side retracts, so that the front frame and the U-shaped frame are forced to generate an angle, and the steering of the whole truck is realized.
However, this method causes the phenomenon that the suspension of the hydraulic support truck cannot be steered relative to the frame, so that the tire and the ground generate sliding movement, and has the problems of high safety, trafficability and production and use costs. Especially in narrow coal mine underground roadways, the front frame and the U-shaped frame are turned integrally, so that the vehicle can easily scrape the side wall of the roadway to cause safety accidents.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming prior art's not enough, provide an axle that is used for support carrier suspension to turn to solve among the prior art hydraulic support carrier's suspension can not be for the technical problem that the frame turned to.
The utility model provides a technical scheme that this technical problem adopted is:
the utility model provides an axle for support carrier suspension turns to, includes the main shaft body, be provided with first spline and second spline on the axial plane of main shaft body respectively, wherein:
the main shaft body is connected with a flange plate at the shaft end on one side of a first spline, the first spline is meshed with a suspension of a bracket carrier, and the suspension is connected to a frame of the bracket carrier through the flange plate;
the other end of the main shaft body is connected with a first limiting nut and a locking device for preventing the first limiting nut from loosening through threads, the second spline is meshed with a driving piece for driving the suspension to rotate, and the main shaft body is connected to the driving piece or the frame through the limiting nut and the locking device;
the driving piece drives the suspension to rotate through the main shaft body.
On the basis of the technical scheme, the axle for the suspension steering of the bracket truck can be improved as follows.
Optionally, the end face, located on the first spline, of the main shaft body is provided with a plurality of threaded holes which are uniformly distributed, and the flange plate is connected to the main shaft body through matching of the plurality of bolts and the threaded holes.
Optionally, the anti-loosening device comprises an anti-loosening washer and a second limiting nut, an anti-loosening notch is formed in the thread of the main shaft body, inner teeth matched with the anti-loosening notch are formed in the anti-loosening washer, and the second limiting nut prevents the first limiting nut from loosening through limiting axial movement of the anti-loosening washer.
Optionally, the spline teeth of the first spline are higher than the axial surface of the main shaft body; and the key teeth of the second spline are lower than the shaft surface of the main shaft body.
Optionally, a lubricating channel for filling lubricating grease is arranged in the main shaft body, an inlet of the lubricating channel is located on the end face of the main shaft body, and an outlet of the lubricating channel is located on the axial face of the main shaft body.
Optionally, the lubrication channel includes a radial channel and an axial channel that are communicated with each other, the radial channel is communicated with the outlet of the lubrication channel, and the axial channel is communicated with the inlet of the lubrication channel.
Optionally, an axial surface channel communicated with the radial channel is further arranged on the axial surface of the main shaft body, and a chamfer is arranged between the axial surface channel and the axial surface of the main shaft body.
Optionally, the first spline and the second spline are respectively arranged at two ends of the main shaft body, a smooth axial surface is arranged between the first spline and the second spline, the frame is located between the suspension and the driving part, the first limit nut and the anti-loosening device are connected to the driving part, and the smooth axial surface is assembled on the frame.
Optionally, the first spline and the second spline are both arranged on the main shaft body and located on one side of the flange plate, the other side of the main shaft body is a smooth axial surface, the frame is located above the suspension and the driving part, the first limit nut and the anti-loosening device are connected to the frame, and the smooth axial surface is assembled on the frame.
Optionally, the diameter of the main shaft body is greater than 100 mm.
Compared with the prior art, the utility model provides a beneficial effect that an axle that is used for support carrier suspension to turn to has is:
the utility model discloses a suspension and the driving piece of hydraulic support carrier are connected respectively to the first spline that sets up on the main shaft body and second spline, make the driving piece rotate through main shaft body drive suspension to make the suspension can turn to for the frame, avoided the gliding movement that tire and ground produced, thereby reduced the vehicle and wiped the danger of scraping the colliery underworkings lateral wall.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of the axle for a cradle truck suspension steering of the present invention;
FIG. 2 is a cross-sectional structural schematic view of the axle for cradle truck suspension steering of FIG. 1;
FIG. 3 is another perspective view of the axle for cradle truck suspension steering of the present invention;
figure 4 is an assembly view of the axle for cradle truck suspension steering of the present invention.
In the figure:
1-bolt; 2-a flange plate; 3 — a first spline; 4, smoothing the shaft surface; 5-axial surface channel; 6-a second spline; 7-a first limit nut; 8, a lock washer; 9-a second stop nut; 10-anti-loose gap; 11-radial channel; 12-an axial channel; 13-suspension; 14-a drive member; 15-vehicle frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
the utility model provides an axle for support truck suspension turns to, as shown in fig. 1 to 3, including adopting the high-strength round steel to forge the main shaft body that forms, be provided with first spline 3 and second spline 6 on the both ends axial plane of main shaft body respectively. Between the first spline 3 and the second spline 6 is a smooth axial surface 4 of the main shaft body. The diameter of the main shaft body is larger than 100 mm.
As shown in fig. 1 to 3, a plurality of threaded holes are formed in the end surface of the main shaft body located outside the first spline 3, and the threaded holes are uniformly distributed in the end portion of the main shaft body. The threaded holes are respectively connected with a flange plate 2 through a plurality of bolts 1.
As shown in fig. 1 to 3, a screw thread is provided on the shaft surface of the main shaft body located outside the second spline 6, and a first limit nut 7 and a second limit nut 9 are connected to the screw thread. In particular, a locking notch 10 is arranged at the position of the thread along the axial direction of the main shaft body, a locking washer 8 is arranged between the first limiting nut 7 and the second limiting nut 9, and internal teeth matched with the locking notch 10 are arranged on the locking washer 8. The second limit nut 9 prevents the loosening of the first limit nut 7 by restricting the axial movement of the lock washer 8. The first and second limiting nuts 7 and 9 include, but are not limited to, round nuts.
It can be understood that the anti-loosening device for preventing the first limiting nut 7 from loosening can also be designed into a structural form of a buckle, the buckle is fixed on the main shaft body, and after the first limiting nut 7 reaches a set threaded position, the first limiting nut 7 is locked through the buckle, and the first limiting nut 7 can also be prevented from loosening.
As shown in fig. 4, when the main shaft body is assembled, the main shaft body is passed through the suspension 13, the frame 15 and the driving member 14 of the hydraulic truck, the first spline 3 is engaged with the internal teeth of the suspension 13, the smooth axial surface 4 is connected with the bushing gap of the frame 15, and the second spline 6 is engaged with the internal teeth of the driving member 14. And the suspension 13 is connected to the main shaft body in a limiting way by matching the bolt 1 with the limiting plate 2, so that the suspension 13 and the main shaft body are prevented from falling off. And finally, the driving piece 14 is connected to the main shaft body in a limiting way through the matching of the first limiting nut 7, the anti-loose washer 8 and the second limiting nut 9, and the driving piece 14 is prevented from falling off. The main shaft body is vertically connected between a suspension 13 and a driving part 14 of the hydraulic support truck through a first spline 3 and a second spline 6 respectively, and when the driving part 14 is started, the suspension 13 is driven to rotate relative to a frame 15 through the main shaft body.
In particular, the key teeth of the first spline 3 are higher than the smooth shaft surface 4, and the key teeth of the second spline 6 are lower than the smooth shaft surface 4, so that the main shaft body can conveniently and sequentially pass through the suspension 13, the frame 15 and the driving part 14 of the hydraulic support carrier from bottom to top, and the assembly of the main shaft body is facilitated. Of course, the key teeth of the first spline 3 may be lower than the smooth shaft surface 4, and the key teeth of the second spline 6 may be higher than the smooth shaft surface 4, so that the main shaft body can sequentially pass through the driving part 14, the frame 15 and the suspension 13 of the hydraulic support truck from top to bottom. Otherwise, the heights of the spline teeth of the first spline 3 and the second spline 6 may be made the same.
The utility model discloses a suspension 13 and driving piece 14 of hydraulic support carrier are connected respectively to the first spline 3 that sets up on the main shaft body and second spline 6 to through smooth axial plane 4 free rotation in frame 15 on the main shaft body, make driving piece 14 rotate for frame 15 through main shaft body drive suspension 13, avoided the gliding movement that tire and ground produced, thereby reduced the vehicle and wiped the danger of scraping colliery underworkings lateral wall. The anti-loosening device can prevent the first limiting nut 7 from loosening, avoids the separation among the suspension 13, the frame 15 and the driving piece 14, and ensures the safety of the hydraulic support carrier passing through the underground coal mine. First spline 3, second spline 6 and smooth axial plane 4 distribute along the axial of main shaft body respectively to the diameter of main shaft body is greater than 100 millimeters, makes the utility model discloses not only can bear the weight that the hydraulic support carrier is full-load, can bear the big moment of flexure that produces in vehicle drive and braking process, the moment of flexure that the vehicle heeled and applyed and the vehicle turns to the circumference of in-process and twists reverse the moment of flexure simultaneously.
It can be understood that the utility model discloses do not prescribe to limit first spline 3 and second spline 6 to set up respectively in the both ends of main shaft body, according to driving piece 14's mounted position, can also make first spline 3 and second spline 6 all set up on the main shaft body and lie in the same one side of ring flange 2, the opposite side of main shaft body is smooth axial plane 4, frame 15 is located suspension 13 and driving piece 14's top, first stop nut 7, lock washer 8 and second stop nut 9 are connected on frame 15, smooth axial plane 4 assembles on frame 15.
As shown in fig. 2 and 3, a lubrication passage is provided in the main shaft body, the lubrication passage includes a radial passage 11 and an axial passage 12, and the radial passage 11 and the axial passage 12 are communicated with each other in the main shaft body. Wherein, the outlet of the radial channel 11 is positioned at the position of the smooth shaft surface 4, and the outlet of the axial channel 12 is positioned at any end surface of the main shaft body. And a shaft surface channel 5 communicated with the radial channel 11 is also arranged on the smooth shaft surface 4 along the circumferential direction of the main shaft body.
After the main shaft body is assembled, lubricating grease can be applied to the smooth shaft surface 4 of the main shaft body along the axial channel 12, the radial channel 11 and the shaft surface channel 5, so that the main shaft body and the shaft sleeve of the frame 15 are sufficiently lubricated, and the abrasion of the main shaft body is reduced.
In particular, a chamfer is provided between the smooth shaft surface 4 and the shaft surface passage 5 to allow the lubricating grease to smoothly flow to the smooth shaft surface 4.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an axle for support carrier suspension turns to, its characterized in that, includes the main shaft body, be provided with first spline (3) and second spline (6) on the axial plane of main shaft body respectively, wherein:
the shaft end of the main shaft body on one side of the first spline (3) is connected with a flange (2), the first spline (3) is meshed with a suspension (13) of the bracket truck, and the suspension (13) is connected to a frame (15) of the bracket truck through the flange (2);
the other end of the main shaft body is connected with a first limiting nut (7) and a locking device for preventing the first limiting nut (7) from loosening through threads, the second spline (6) is meshed with a driving piece (14) for driving the suspension (13) to rotate, and the main shaft body is connected to the driving piece (14) or a frame (15) through the limiting nut (7) and the locking device;
the driving piece (14) drives the suspension (13) to rotate through the main shaft body.
2. The axle for the cradle truck suspension steering of claim 1, wherein the end surface of the main axle body on the first spline (3) is provided with a plurality of evenly distributed threaded holes, and the flange (2) is connected to the main axle body by a plurality of bolts (1) and the threaded holes.
3. The axle for rack truck suspension steering according to claim 2, characterized in that the anti-loosening device comprises an anti-loosening washer (8) and a second limit nut (9), the main shaft body is provided with an anti-loosening notch (10) on the thread, the anti-loosening washer (8) is provided with internal teeth adapted to the anti-loosening notch (10), and the second limit nut (9) prevents the first limit nut (7) from loosening by limiting the axial movement of the anti-loosening washer (8).
4. The axle for rack truck suspension steering according to claim 3, characterized in that the splines of the first spline (3) are higher than the axial face of the main shaft body; and the key teeth of the second spline (6) are lower than the axial surface of the main shaft body.
5. The axle for cradle truck suspension steering of claim 4, wherein a lubrication channel for filling grease is provided in the main shaft body, the lubrication channel inlet being located at an end face of the main shaft body and the lubrication channel outlet being located at an axial face of the main shaft body.
6. The axle for cradle truck suspension steering according to claim 5, characterized in that the lubrication channel comprises a radial channel (11) and an axial channel (12) communicating with each other, the radial channel (11) communicating with the outlet of the lubrication channel, the axial channel (12) communicating with the inlet of the lubrication channel.
7. The axle for cradle truck suspension steering according to claim 6, characterized in that the axle face of the main axle body is further provided with an axle face channel (5) communicating with the radial channel (11), the axle face channel (5) having a chamfer between it and the axle face of the main axle body.
8. The axle for the cradle truck suspension steering according to any one of claims 1 to 7, wherein the first spline (3) and the second spline (6) are respectively disposed at both ends of the main shaft body, a smooth axial surface (4) is disposed between the first spline (3) and the second spline (6), the frame (15) is disposed between the suspension (13) and the driving member (14), the first limit nut (7) and the anti-loosening device are connected to the driving member (14), and the smooth axial surface (4) is assembled on the frame (15).
9. The axle for truck-mounted carrier suspension steering according to any one of claims 1 to 7, characterized in that the first spline (3) and the second spline (6) are both arranged on the main shaft body on one side of the flange (2), the other side of the main shaft body is a smooth shaft surface (4), the vehicle frame (15) is arranged above the suspension (13) and the driving part (14), the first limit nut (7) and the anti-loosening device are connected on the vehicle frame (15), and the smooth shaft surface (4) is assembled on the vehicle frame (15).
10. The axle for rack truck suspension steering of any one of claims 1-7, characterized in that the diameter of the main axle body is greater than 100 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533460.1U CN211951164U (en) | 2020-04-13 | 2020-04-13 | Shaft for bracket carrier suspension steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533460.1U CN211951164U (en) | 2020-04-13 | 2020-04-13 | Shaft for bracket carrier suspension steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951164U true CN211951164U (en) | 2020-11-17 |
Family
ID=73161294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020533460.1U Active CN211951164U (en) | 2020-04-13 | 2020-04-13 | Shaft for bracket carrier suspension steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951164U (en) |
-
2020
- 2020-04-13 CN CN202020533460.1U patent/CN211951164U/en active Active
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