Guiding and stabilizing device and bogie for air track shunting machine

Abstract

The utility model provides a kind of guiding stabilizing device and air rail shunting machine bogie, guiding stabilizing device includes mounting seat plate, stabilizing wheel and guide wheel, stabilizing wheel is rotatably mounted in the top two sides of the mounting seat plate by axle assembly;Guide wheel is rotatably mounted in the bottom two sides of the mounting seat plate by axle assembly;Wherein, the axle assembly includes axle, limit piece and limit slot, the limit slot is opened in the end outer side of the axle, the limit piece is detachably mounted on the mounting seat plate, and is inserted in the limit slot inner side.The utility model is by mounting seat plate, stabilizing wheel and guide wheel to constitute basic guiding stabilizing structure, and by axle, limit piece and limit slot, change traditional locking nut connection mode, by the mechanical interlocking structure of limit piece and limit slot insertion, not only limit axial migration, but also limit around its axial rotation, not only conveniently install axle to mounting seat plate, and structure is more stable.

Description

Technical Field

[0001] This utility model relates to the field of suspended bogie technology, specifically to a guiding and stabilizing device and a bogie for a monorail shunting machine. Background Technology

[0002] A monorail shunting locomotive is a suspended monorail engineering locomotive that provides shunting and rescue operations for monorail trains. The bogie of a monorail shunting locomotive travels inside an open rectangular track beam. The internal space of the track beam is narrow. The guiding and stabilizing device of the bogie is generally composed of guide wheels and stabilizing wheels. For example, Chinese Patent 202321649178.X discloses a wheel-side driven suspended monorail bogie and a monorail vehicle. The suspended monorail bogie includes: a frame extending along the direction of travel, with two mounting seats symmetrically opened at the front and rear of the frame. Guide wheels and stabilizing wheels are provided at both the front and rear ends of the frame.

[0003] Currently, the axles of guide wheels and stabilizing wheels generally adopt a conventional mounting structure. A large shoulder on the axle abuts against one side of the mounting plate, and the other end is tightened with a lock nut and a lock washer. However, removing the lock nut requires resisting a huge preload, which is laborious and time-consuming, requires special tools, and the anti-loosening mechanism relies entirely on the self-locking performance of the nut or auxiliary parts. In a vibration environment, there is still a risk of loosening, resulting in insufficient reliability. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and propose a guiding and stabilizing device to solve the technical problems of inconvenient disassembly and maintenance and insufficient reliability of the existing installation structure of the locking nut fastening wheel shaft.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] In a first aspect, this utility model provides a guiding and stabilizing device, comprising:

[0007] Mounting base plate;

[0008] Stabilizing wheels, which are rotatably mounted on both sides of the top of the mounting plate via axle assemblies; and

[0009] Guide wheels are rotatably mounted on both sides of the bottom of the mounting plate via a wheel and axle assembly;

[0010] The wheel and axle assembly includes a wheel and a axle, a limiting member, and a limiting groove. The limiting groove is located on the outer side of the end of the wheel and axle. The limiting member is detachably mounted on the mounting base plate and inserted into the inner side of the limiting groove to restrict the wheel and axle from rotating around its axis and to restrict the wheel and axle from moving along its axial direction. The stabilizing wheel or guide wheel is rotatably sleeved on the outside of the wheel and axle through a bearing.

[0011] In some embodiments, the limiting member includes a retaining plate, the limiting groove is formed on both sides of the end of the axle, the retaining plate is inserted into the inner side of the limiting groove in a corresponding manner, abuts against the inner top wall, inner bottom wall and inner side wall of the limiting groove, and is fixed to the end face of the mounting base plate by bolts.

[0012] In some embodiments, the wheel axle assembly further includes a slotted nut and a cotter pin. The end of the wheel axle away from the limiting groove is provided with an external thread. The slotted nut is connected to the wheel axle through the external thread. The cotter pin is inserted into the slotted nut and passes radially through the wheel axle.

[0013] In some embodiments, the mounting base includes a frame, an upper base plate, and a lower base plate. The upper base plate and the lower base plate are fixedly connected to the top and bottom of the frame, respectively. The lower base plate includes a fixed base, a movable base, and an adjusting member. The movable base is detachably connected to both ends of the fixed base. The adjusting member is disposed between the movable base and the fixed base to adjust the interval between the movable base and the fixed base. The guide wheels are rotatably mounted on the movable base through wheel and axle assemblies.

[0014] In some embodiments, the adjusting member includes a pad and a first bolt. The movable seat, the pad, and the fixed seat are provided with through holes corresponding to each other. The fixed seat is provided with threaded grooves corresponding to the through holes. The first bolt passes through two through holes in sequence and is threadedly connected to the corresponding threaded grooves.

[0015] In some embodiments, the fixing base has a groove, the pad has a protrusion, and the protrusion is inserted into the groove.

[0016] In some embodiments, the adjusting member includes a second bolt, a first double nut, a second double nut, and a third double nut. The fixed seat and the movable seat are provided with corresponding through holes. The second bolt passes through the two corresponding through holes in sequence. The first double nut, the second double nut, and the third double nut are all threaded onto the second bolt. The first double nut abuts against the side of the movable seat near the fixed seat, the second double nut abuts against the other side of the movable seat, and the third double nut abuts against the side of the fixed seat near the movable seat.

[0017] In some embodiments, the fixed base is provided with a guide sleeve, and the movable base is slidably connected to the inner side of the guide sleeve.

[0018] In some embodiments, the movable seat is L-shaped.

[0019] Secondly, this utility model also provides a bogie for an air rail shunting machine, including any of the above-mentioned guiding and stabilizing devices.

[0020] Compared with the prior art, the guiding and stabilizing device provided by this utility model constitutes a basic guiding and stabilizing structure through a mounting plate, a stabilizing wheel, and a guide wheel. It changes the traditional locking nut connection method through axle, limiting component, and limiting groove. The mechanical interlocking structure of the limiting component and the limiting groove not only restricts axial movement but also restricts rotation around its axis. It not only makes it convenient to install the axle onto the mounting plate, but also makes the structure more stable, occupies less space, and is easier to disassemble and maintain. Attached Figure Description

[0021] Figure 1 This is a three-dimensional view of the guiding and stabilizing device provided in an embodiment of this utility model;

[0022] Figure 2 This is a three-dimensional exploded view of the guiding and stabilizing device provided in this embodiment of the utility model;

[0023] Figure 3 This is a partial schematic diagram of the guiding and stabilizing device provided in an embodiment of the present invention;

[0024] Figure 4 This is a partial cross-sectional view of a gap adjustment method for a guiding and stabilizing device provided in an embodiment of the present utility model;

[0025] Figure 5 This is a partial cross-sectional view of another gap adjustment of the guiding and stabilizing device provided in this embodiment of the utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Install the mounting plate;

[0028] 101. Through hole; 102. Threaded groove; 103. Groove; 104. Protrusion; 105. Guide sleeve;

[0029] 11. Frame; 12. Upper seat plate; 13. Lower seat plate; 131. Fixed seat; 132. Movable seat; 133. Adjusting component; 133a. Pad; 133b. First bolt; 133c. Second bolt; 133d. First double nut; 133e. Second double nut; 133f. Third double nut;

[0030] 2. Stabilizer wheel;

[0031] 3. Guide wheels;

[0032] 4. Wheel and axle assembly; 41. Wheel and axle; 42. Limiting component; 421. Clamping plate; 422. Bolt; 43. Limiting groove; 44. Slotted nut; 45. Cotter pin; Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0034] To address the technical problems of inconvenient disassembly and maintenance, and insufficient reliability, of the installation structure of the locking nut for fastening the wheel axle, this utility model provides a guiding and stabilizing device. It can realize a basic guiding and stabilizing structure by forming a mounting base plate, a stabilizing wheel, and a guide wheel. By using the wheel axle, a limiting component, and a limiting groove, it changes the traditional locking nut connection method. The mechanical interlocking structure of the limiting component and the limiting groove not only restricts axial movement but also restricts rotation around its axis. This not only makes it convenient to install the wheel axle onto the mounting base plate, but also makes the structure more stable, occupies less space, and is easier to disassemble and maintain.

[0035] It should be noted that the guiding and stabilizing device described in this utility model is used for, but not limited to, guide frames for monorail locomotives. For ease of explanation, this utility model only uses the application of the guiding and stabilizing device to a guide frame for a monorail locomotive as an example. The principle of the guiding and stabilizing device applied to other types of equipment is essentially the same as that applied to a guide frame for a monorail locomotive, and will not be elaborated here.

[0036] Please see Figure 1-3 This utility model provides a guiding and stabilizing device, which includes a mounting plate 1, stabilizing wheels 2, and guide wheels 3. The stabilizing wheels 2 are rotatably mounted on the top two sides of the mounting plate 1 via a wheel axle assembly 4, providing good support and guidance when the bogie tilts excessively. The guide wheels 3 are rotatably mounted on the bottom two sides of the mounting plate 1 via the wheel axle assembly 4, and are used to contact and guide the track beam during straight-line travel and curve crossing. The wheel axle assembly 4 includes a wheel axle 41, a limiting member 42, and a limiting groove 43. The limiting groove 43 is opened on the outer side of the end of the axle 41. The limiting member 42 is detachably installed on the mounting base plate 1 and inserted into the inner side of the limiting groove 43 to restrict the axle 41 from rotating around its axis and to restrict the axle 41 from moving along its axis. The stabilizing wheel 2 or the guide wheel 3 is rotatably sleeved on the axle 41 through the bearing, that is, it is inserted laterally into the limiting groove 43 by the limiting member 42. With the shape matching of the limiting member 42 and the limiting groove 43, not only can its axial movement be restricted, but also its rotation around the axis can be restricted.

[0037] Understandably, the preload provided by the lock nut only has a tightening effect on axial movement. For rotation around the axis, an additional keyway and key are required. However, this structure can directly eliminate the need for preload operation of the lock nut, as well as the need to machine the keyway and key, through the setting of the limiting member 42 and the limiting groove 43. This eliminates multiple additional parts and integrates the functional structure directly onto the shaft body, achieving fewer parts, simpler machining, and smaller space occupation.

[0038] For details, please refer to Figure 1 , Figure 2 and Figure 3 To form a stable limiting position, the limiting component 42 includes a retaining plate 421. The limiting groove 43 is opened on both sides of the end of the axle 41. The retaining plates 421 are inserted into the inner side of the limiting groove 43 one by one, and abut against the inner top wall, inner bottom wall and inner side wall of the limiting groove 43. When the retaining plate 421 is inserted into the limiting groove 43, it abuts against the inner top wall and inner bottom wall of the limiting groove 43, thereby limiting the axial movement of the axle 41. Since the retaining plate 421 abuts against the inner side wall of the limiting groove 43 and is fixed to the end face of the mounting base plate 1 by bolts 422, the inner side wall and the side of the retaining plate 421 are both flat. Under the limiting effect of the retaining plate 421 abutting against both sides, the rotation of the axle can be effectively prevented.

[0039] In one embodiment, please refer to Figure 2 To match the installation and prevent detachment of the stabilizing wheel 2 and the guide wheel 3, the wheel axle assembly 4 also includes a slotted nut 44 and a cotter pin 45. The end of the wheel axle 41 away from the limiting groove 43 is provided with an external thread, and the external thread portion is also provided with a pin hole corresponding to the cotter pin 45. The slotted nut 44 is connected to the wheel axle 41 through the external thread, and the cotter pin 45 is inserted into the slotted nut 44 and radially penetrates the wheel axle 41. The slotted nut 44 mainly abuts against the inner ring of the bearing and is tightened to prevent detachment on the side of the wheel body away from the mounting seat.

[0040] Understandably, deep groove ball bearings are fixedly installed on the inner sides of both the stabilizing wheel 2 and the guide wheel 3. When they are mounted on the wheel axle 41, one end of the bearing is limited by the mounting plate 1, while the other end needs to be limited by the slotted nut 44 and the cotter pin 45.

[0041] In one embodiment, please refer to Figure 2 and Figure 4 The mounting base 1 includes a frame 11, an upper base plate 12 and a lower base plate 13. The upper base plate 12 and the lower base plate 13 are respectively fixedly connected to the top and bottom of the frame 11. The stabilizing wheels 2 are installed at the left and right ends of the upper base plate 12, and the guide wheels 3 are installed at the left and right ends of the lower base plate 13.

[0042] Specifically, the lower seat plate 13 includes a fixed seat 131, a movable seat 132, and an adjusting member 133. The movable seat 132 is detachably connected to both ends of the fixed seat 131. The adjusting member 133 is disposed between the movable seat 132 and the fixed seat 131 and is used to adjust the interval between the movable seat 132 and the fixed seat 131. The guide wheels 3 are rotatably mounted on the movable seat 132 through the wheel axle assembly 4. By adjusting the position of the movable seat 132 through the adjusting member 133, the position of the guide wheels 3 can be adjusted. When the guide wheels 3 are worn, the wear can be compensated, avoiding direct replacement of the guide wheels and saving maintenance costs.

[0043] Furthermore, the movable seat 132 is L-shaped, with the L-shape being horizontal and extending downward, thereby providing a connection space with the fixed seat 131.

[0044] For further details, please refer to Figure 4 For easy adjustment, the adjusting component 133 includes a pad 133a and a first bolt 133b. The movable seat 132, the pad 133a, and the fixed seat 131 are provided with through holes 101 corresponding to each other. The fixed seat 131 is provided with threaded grooves 102 corresponding to the through holes 101. The first bolt 133b passes through two through holes 101 in sequence and is threadedly connected to the corresponding threaded grooves 102. When adjustment is required, the first bolt 133b is removed, the pad 133a is removed and replaced with a thicker pad 133a, and then it is installed to compensate for wear, instead of directly replacing the guide wheel, thus saving costs.

[0045] Furthermore, in order to quickly position and install the pad 133a, the fixing seat 131 is provided with a groove 103, and the pad 133a is provided with a protrusion 104, and the protrusion 104 is inserted into the groove 103. The protrusion 104 is inserted into the groove 103 for quick positioning, and then the first bolt 133b is installed for tightening.

[0046] In another embodiment, please refer to Figure 5To compensate for the wear of the guide wheel 3 by allowing stepless adjustment of the movable seat 132 without disassembling it, the adjusting component 133 includes a second bolt 133c, a first double nut 133d, a second double nut 133e, and a third double nut 133f. The fixed seat 131 and the movable seat 132 each have corresponding through holes 101. The second bolt 133c passes through the two corresponding through holes 101 sequentially. The first double nut 133d, the second double nut 133e, and the third double nut 133f are all threaded onto the second bolt 133c. Nut 133d abuts against the side of the movable seat 132 near the fixed seat 131, the second double nut 133e abuts against the other side of the movable seat 132, and the third double nut 133f abuts against the side of the fixed seat 131 near the movable seat 132. The position of the movable seat 132 on the second bolt 133c is adjusted by the first double nut 133d and the second double nut 133e to limit the distance between the movable seat 132 and the fixed seat 131. The heads of the third double nut 133f and the second bolt 133c are used to fix the second bolt 133c on the fixed seat 131.

[0047] The number of adjustment components 133 is multiple, and they are arranged in an array.

[0048] Understandably, double nuts use two nuts to form an interlocking structure, improving the reliability of position restriction.

[0049] Furthermore, the fixed base 131 is provided with a guide sleeve 105, and the movable base 132 is slidably connected to the inner side of the guide sleeve 105. The guide sleeve 105 restricts the sliding direction of the movable base 132 and improves stability.

[0050] This utility model also provides a bogie for an air rail shunting machine, including a guiding and stabilizing device as described in any of the above embodiments, wherein the frame 11 of the mounting plate 1 is part of the bogie skeleton.

[0051] To better understand this utility model, the following is combined with... Figures 1 to 5 The technical solution of this utility model is described in detail as follows: When it is necessary to disassemble and maintain the stabilizing wheel 2 or the guide wheel 3, it is only necessary to remove the bolt 422 on the clamping plate 421 and then pull the clamping plate 421 out of the limiting groove 43. The wheel axle 41 can then be removed from the mounting base plate 1, and the stabilizing wheel 2 or the guide wheel 3 on it can be removed together and then disassembled separately for maintenance. If the guide wheel 3 is worn and it is necessary to compensate for the wear, the structure mode of replacing the pad 133a or the structure mode of adjusting the nut can be adopted, both of which can achieve the purpose of compensating for the wear.

[0052] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A guiding and stabilizing device, characterized in that, include: Mounting base plate; Stabilizing wheels are rotatably mounted on both sides of the top of the mounting plate via a wheel axle assembly; as well as Guide wheels are rotatably mounted on both sides of the bottom of the mounting plate via a wheel and axle assembly; The wheel and axle assembly includes a wheel and a axle, a limiting member, and a limiting groove. The limiting groove is located on the outer side of the end of the wheel and axle. The limiting member is detachably mounted on the mounting base plate and inserted into the inner side of the limiting groove to restrict the wheel and axle from rotating around its axis and to restrict the wheel and axle from moving along its axial direction. The stabilizing wheel or guide wheel is rotatably sleeved on the outside of the wheel and axle through a bearing.

2. The guiding and stabilizing device according to claim 1, characterized in that, The limiting component includes a retaining plate, and the limiting groove is opened on both sides of the end of the wheel axle. The retaining plate is inserted into the inner side of the limiting groove in a corresponding manner, and abuts against the inner top wall, inner bottom wall and inner side wall of the limiting groove. It is fixed to the end face of the mounting base plate by bolts.

3. The guiding and stabilizing device according to claim 1, characterized in that, The wheel axle assembly also includes a slotted nut and a cotter pin. The end of the wheel axle away from the limiting groove is provided with an external thread. The slotted nut is connected to the wheel axle through the external thread. The cotter pin is inserted into the slotted nut and passes radially through the wheel axle.

4. The guiding and stabilizing device according to claim 1, characterized in that, The mounting base includes a frame, an upper base plate, and a lower base plate. The upper base plate and the lower base plate are fixedly connected to the top and bottom of the frame, respectively. The lower base plate includes a fixed base, a movable base, and an adjusting component. The movable base is detachably connected to both ends of the fixed base. The adjusting component is disposed between the movable base and the fixed base to adjust the interval between the movable base and the fixed base. The guide wheels are rotatably mounted on the movable base through wheel axle assemblies.

5. The guiding and stabilizing device according to claim 4, characterized in that, The adjusting component includes a pad and a first bolt. The movable seat, the pad, and the fixed seat are each provided with a through hole. The fixed seat is provided with a threaded groove corresponding to each through hole. The first bolt passes through two through holes in sequence and is threadedly connected to the corresponding threaded groove.

6. The guiding and stabilizing device according to claim 5, characterized in that, The fixing base has a groove, and the pad has a protrusion, and the protrusion is inserted into the groove.

7. The guiding and stabilizing device according to claim 4, characterized in that, The adjusting component includes a second bolt, a first double nut, a second double nut, and a third double nut. The fixed seat and the movable seat have corresponding through holes. The second bolt passes through the two corresponding through holes in sequence. The first double nut, the second double nut, and the third double nut are all threaded onto the second bolt. The first double nut abuts against the side of the movable seat near the fixed seat, the second double nut abuts against the other side of the movable seat, and the third double nut abuts against the side of the fixed seat near the movable seat.

8. The guiding and stabilizing device according to claim 7, characterized in that, The fixed base is provided with a guide sleeve, and the movable base is slidably connected to the inner side of the guide sleeve.

9. The guiding and stabilizing device according to claim 4, characterized in that, The movable seat is L-shaped.

10. A bogie for a monorail shunting machine, characterized in that, Includes the guiding and stabilizing device as described in any one of claims 1-9.

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