A linear motor anti-falling device and a linear motor bogie

Abstract

The utility model discloses a linear motor anti-dropping device and a linear motor bogie, belonging to the technical field of linear motor bogies, including a frame, a wheel axle and a winding, an anti-dropping mechanism is arranged in the frame, and an adjusting mechanism is arranged on the inner wall of the frame; the anti-dropping mechanism comprises two symmetrically distributed connecting plates, the winding is fixedly connected to the connecting plates, the wheel axle and the connecting plates are rotatably connected through bearings, the bottom of the inner walls on both sides of the frame are fixedly connected with anti-dropping plates, the bottom of the anti-dropping plates is fixedly connected with a supporting plate, the supporting plate is fixedly connected to the inner wall of the frame, the connecting plate is located above the anti-dropping plate, a limiting groove is arranged on the top of the anti-dropping plate, a plurality of evenly distributed limiting springs are fixedly connected to the bottom inner wall of the limiting groove, and the top of the limiting spring is fixedly connected to the limiting plate. The utility model can achieve the anti-dropping effect by cooperating with the supporting plate and the anti-dropping plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of linear motor bogies, and in particular relates to a linear motor anti-falling device and a linear motor bogie. Background Art

[0002] With the rapid development of urban rail transit, linear motor bogies are widely used due to their small size and weight, large external installation space and optimized wheel guide capability. A linear motor bogie is needed.

[0003] In the prior art, a linear motor bogie includes a frame and two sets of wheels, the frame is supported on an axle box by a primary suspension device, and the frame is supported on a vehicle body by a secondary suspension device, axle boxes are symmetrically arranged at both ends of the axle of each set of wheels, and on the axle of each set of wheels, a support box is symmetrically installed through bearings on the inner side of the wheels, and the linear motor is suspended below the axle through a total suspension device, wherein the total suspension device includes a plurality of vertical hangers, and the vertical hangers are suspended on a pair of transverse suspension beams, and the two ends of the transverse suspension beams are fixed to the support box by elastic rubber nodes. During the operation of the vehicle, the safe distance between the linear motor and the induction plate below must be strictly controlled to ensure the safety of the vehicle operation. In the prior art, the vertical suspension height of the linear motor is ensured by adjusting the relative height between the transverse suspension beam and the support box, and the suspension height is generally adjusted by adjusting the gasket.

[0004] However, when the above-mentioned device is in use, the linear motor suspension device may sometimes fail. When the suspension device fails, the linear motor will sink. In order to ensure that the linear motor does not sink excessively and avoid the linear motor colliding with the induction plate and affecting the safe operation, a linear motor anti-falling device and a linear motor bogie are required. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a linear motor anti-dropping device and a linear motor bogie. The utility model has the advantages of achieving an anti-dropping effect.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A linear motor anti-dropping device and a linear motor bogie, comprising a frame, a wheel axle and a winding, wherein an anti-dropping mechanism is arranged in the frame, and an adjusting mechanism is arranged on the inner wall of the frame;

[0008] The anti-slip mechanism includes two symmetrically distributed connecting plates, the winding is fixedly connected to the connecting plates, the wheel axle and the connecting plates are rotatably connected via bearings, anti-slip plates are fixedly connected to the bottom of the inner walls on both sides of the frame, a support plate is fixedly connected to the bottom of the anti-slip plate, the support plate is fixedly connected to the inner wall of the frame, and the connecting plate is located above the anti-slip plate.

[0009] Through the above technical scheme: when in use, the positioning rod is rotated and separated from the inner wall of the positioning port, at this time the positioning spring is stretched, rotating the rotating block can make the threaded rod rotate, and the rotation of the threaded rod can make the connecting block slide in the inner wall of the connecting groove, at this time the height of the connecting plate can be adjusted to adjust the height of the winding, when the connecting plate moves down, the connecting plate can contact the limit plate and make the limit plate slide in the inner wall of the limit groove, at this time the limit spring can be squeezed, and the support plate cooperates with the anti-slip plate, so that the anti-slip effect can be achieved.

[0010] The utility model is further configured as follows: a limiting groove is provided on the top of the anti-dropping plate, a plurality of evenly distributed limiting springs are fixedly connected to the bottom inner wall of the limiting groove, the top of the limiting spring is fixedly connected to the limiting plate, and a sliding fit is formed between the limiting plate and the inner wall of the limiting groove.

[0011] Through the above technical solution: the setting of the limit plate can slide in the inner wall of the limit groove, and the deformation of the limit spring can buffer the movement of the connecting plate, thereby preventing the winding from falling.

[0012] The utility model is further configured that the adjustment mechanism includes a connecting block fixedly connected to one side of the connecting plate, and connecting grooves are provided on the inner walls of both sides of the frame, and a sliding fit is formed between the inner walls of the connecting grooves and the connecting block.

[0013] Through the above technical solution: the connection block is arranged to slide in the inner wall of the connection groove, and the height of the connection plate can be adjusted at this time.

[0014] The utility model is further configured such that the connecting block is in a T-shaped structure, and the inner wall cross section of the connecting groove is in a T-shaped structure.

[0015] Through the above technical solution: the design of the T-shaped structure can form a limit between the inner wall of the connecting groove and the connecting block, which can prevent the two from separating.

[0016] The utility model is further configured that the top inner wall of the connecting groove is rotatably connected with a threaded rod through a bearing, and the threaded rod is connected to the connecting block through a threaded connection.

[0017] Through the above technical solution: the arrangement of the threaded rod can make the connecting block slide in the inner wall of the connecting groove when rotating.

[0018] The utility model is further configured that the top of the threaded rod is fixedly connected with a rotating shaft, and the top of the rotating shaft is fixedly connected with a rotating block.

[0019] Through the above technical solution: the setting of the rotating block can cause the threaded rod to rotate when it rotates, and the rotation of the threaded rod can cause the connecting block to move.

[0020] The utility model is further configured such that a plurality of evenly distributed positioning openings are opened on the circumference of the rotating block, a positioning rod is hinged on the top of the frame to form a sliding fit with the inner wall of the positioning opening, a positioning spring is fixedly connected to the bottom of the positioning rod, and the positioning spring is fixedly connected to the top outer wall of the frame.

[0021] Through the above technical solution: the setting of the positioning spring can apply pressure to the positioning rod, so that the positioning rod can be stably placed in the inner wall of the positioning opening, thereby fixing the rotating block and preventing the rotating block from rotating due to erroneous operation.

[0022] A linear motor bogie comprises a linear motor anti-falling device as described in any one of the above items.

[0023] The beneficial effects of the utility model are:

[0024] 1. The linear motor anti-falling device and the linear motor bogie are separated from the inner wall of the positioning port by rotating the positioning rod. At this time, the positioning spring is stretched, and the rotating block can rotate the threaded rod. The rotation of the threaded rod can make the connecting block slide in the inner wall of the connecting groove. At this time, the height of the connecting plate can be adjusted to adjust the height of the winding. When the connecting plate moves downward, the connecting plate can contact the limit plate and make the limit plate slide in the inner wall of the limit groove. At this time, the limit spring can be squeezed, and the support plate cooperates with the anti-falling plate, so that the anti-falling effect can be achieved.

[0025] 2. The linear motor anti-falling device and the linear motor bogie can make the connecting block slide in the inner wall of the connecting groove when the threaded rod is rotated, and can make the threaded rod rotate when the rotating block is rotated. The rotation of the threaded rod can move the connecting block, and the positioning spring can apply pressure to the positioning rod, so that the positioning rod can be stably placed in the inner wall of the positioning port, thereby fixing the rotating block, and preventing the rotating block from rotating due to erroneous operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional structural schematic diagram of a linear motor anti-falling device and a linear motor bogie proposed by the utility model;

[0027] Figure 2It is a partial cross-sectional structural schematic diagram of a linear motor anti-falling device and a linear motor bogie proposed by the utility model;

[0028] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0029] In the figure: 1. frame; 2. axle; 3. winding; 4. connecting plate; 5. anti-slip plate; 6. support plate; 7. limit groove; 8. limit spring; 9. limit plate; 10. connecting block; 11. connecting groove; 12. threaded rod; 13. rotating block; 14. positioning port; 15. positioning rod; 16. positioning spring. DETAILED DESCRIPTION

[0030] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0033] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0034] Reference Figure 1-3 , a linear motor anti-dropping device and a linear motor bogie, comprising a frame 1, an axle 2 and a winding 3, wherein an anti-dropping mechanism is arranged in the frame 1, and an adjusting mechanism is arranged on the inner wall of the frame 1;

[0035] The anti-slip mechanism includes two symmetrically distributed connecting plates 4, the winding 3 is fixedly connected to the connecting plates 4, the axle 2 is rotatably connected to the connecting plates 4 through bearings, the bottom of the inner walls on both sides of the frame 1 are fixedly connected with anti-slip plates 5, the bottom of the anti-slip plates 5 are fixedly connected with support plates 6, the support plates 6 are fixedly connected to the inner walls of the frame 1, and the connecting plates 4 are located above the anti-slip plates 5.

[0036] It should be noted that, in the present embodiment, a limiting groove 7 is provided on the top of the anti-drop plate 5, and a plurality of evenly distributed limiting springs 8 are fixedly connected to the bottom inner wall of the limiting groove 7, and a limiting plate 9 is fixedly connected to the top of the limiting spring 8. A sliding fit is formed between the limiting plate 9 and the inner wall of the limiting groove 7, and the limiting plate 9 can slide in the inner wall of the limiting groove 7. The deformation of the limiting spring 8 can buffer the movement of the connecting plate 4, thereby preventing the winding 3 from falling off.

[0037] Furthermore, in this embodiment, the adjustment mechanism includes a connecting block 10 fixedly connected to one side of the connecting plate 4, and connecting grooves 11 are provided on the inner walls of both sides of the frame 1. A sliding fit is formed between the inner wall of the connecting groove 11 and the connecting block 10. The connecting block 10 can slide in the inner wall of the connecting groove 11, and the height of the connecting plate 4 can be adjusted at this time.

[0038] The connecting block 10 is T-shaped, and the inner wall cross-section of the connecting groove 11 is T-shaped. The T-shaped connecting block 10 can form a limit between the inner wall of the connecting groove 11 and the connecting block 10 to avoid separation between the two.

[0039] The top inner wall of the connecting groove 11 is rotatably connected with a threaded rod 12 via a bearing. The threaded rod 12 is connected to the connecting block 10 via a thread. The threaded rod 12 can make the connecting block 10 slide in the inner wall of the connecting groove 11 when rotating.

[0040] The top of the threaded rod 12 is fixedly connected with a rotating shaft, and the top of the rotating shaft is fixedly connected with a rotating block 13. The rotating block 13 can rotate the threaded rod 12 when rotating, and the rotation of the threaded rod 12 can move the connecting block 10.

[0041] A number of evenly distributed positioning holes 14 are provided on the circumference of the rotating block 13. A positioning rod 15 is hinged on the top of the frame 1 to form a sliding fit with the inner wall of the positioning hole 14. A positioning spring 16 is fixedly connected to the bottom of the positioning rod 15. The positioning spring 16 is fixedly connected to the top outer wall of the frame 1. The positioning spring 16 can apply pressure to the positioning rod 15, so that the positioning rod 15 can be stably placed in the inner wall of the positioning hole 14, thereby fixing the rotating block 13 and preventing the rotating block 13 from rotating due to erroneous operation.

[0042] A linear motor bogie comprises any one of the linear motor anti-falling devices mentioned above.

[0043] Working principle: When in use, rotate the positioning rod 15 and separate it from the inner wall of the positioning opening 14. At this time, the positioning spring 16 is stretched, and rotating the rotating block 13 can rotate the threaded rod 12. The rotation of the threaded rod 12 can make the connecting block 10 slide in the inner wall of the connecting groove 11. At this time, the height of the connecting plate 4 can be adjusted to adjust the height of the winding 3. When the connecting plate 4 moves down, the connecting plate 4 can contact the limit plate 9 and make the limit plate 9 slide in the inner wall of the limit groove 7. At this time, the limit spring 8 can be squeezed, and the support plate 6 cooperates with the anti-slip plate 5, so that the anti-slip effect can be achieved.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A linear motor anti-falling device, comprising a frame (1), an axle (2) and a winding (3), characterized in that: An anti-slip mechanism is provided inside the frame (1), and an adjustment mechanism is provided on the inner wall of the frame (1); The anti-slip mechanism comprises two symmetrically distributed connecting plates (4), the winding (3) and the connecting plates (4) are fixedly connected, the wheel axle (2) and the connecting plates (4) are rotatably connected via bearings, the bottoms of the inner walls on both sides of the frame (1) are fixedly connected with anti-slip plates (5), the bottoms of the anti-slip plates (5) are fixedly connected with support plates (6), the support plates (6) are fixedly connected to the inner walls of the frame (1), and the connecting plates (4) are located above the anti-slip plates (5).

2. A linear motor anti-falling device according to claim 1, characterized in that: A limiting groove (7) is provided on the top of the anti-slip plate (5); a plurality of evenly distributed limiting springs (8) are fixedly connected to the bottom inner wall of the limiting groove (7); a limiting plate (9) is fixedly connected to the top of the limiting spring (8); and a sliding fit is formed between the limiting plate (9) and the inner wall of the limiting groove (7).

3. A linear motor anti-falling device according to claim 1, characterized in that: The adjustment mechanism comprises a connection block (10) fixedly connected to one side of the connection plate (4); connection grooves (11) are provided on the inner walls of both sides of the frame (1); and a sliding fit is formed between the inner walls of the connection grooves (11) and the connection block (10).

4. A linear motor anti-falling device according to claim 3, characterized in that: The connection block (10) is in a T-shaped structure, and the inner wall cross-section of the connection groove (11) is in a T-shaped structure.

5. A linear motor anti-falling device according to claim 4, characterized in that: A threaded rod (12) is rotatably connected to the top inner wall of the connection groove (11) via a bearing, and the threaded rod (12) is connected to the connection block (10) via threads.

6. A linear motor anti-falling device according to claim 5, characterized in that: The top of the threaded rod (12) is fixedly connected to a rotating shaft, and the top of the rotating shaft is fixedly connected to a rotating block (13).

7. A linear motor anti-falling device according to claim 6, characterized in that: The circumference of the rotating block (13) is provided with a plurality of evenly distributed positioning openings (14); the top of the frame (1) is hinged with a positioning rod (15) which forms a sliding fit with the inner wall of the positioning opening (14); the bottom of the positioning rod (15) is fixedly connected with a positioning spring (16); and the positioning spring (16) is fixedly connected to the top outer wall of the frame (1).

8. A linear motor bogie, characterized in that: It comprises a linear motor anti-falling device as described in any one of claims 1 to 7.

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