Railway vehicle positioning rotating arm

Abstract

The utility model relates to the technical field of positioning rotating arms, in particular to a rail vehicle positioning rotating arm which comprises a positioning rotating arm body, a pressure-resistant movable rod is fixedly connected to the top, close to the left side, of the positioning rotating arm body, and a swing rod is rotationally connected to the surface, close to the right side, of the positioning rotating arm body through a rotating pin. An upper sleeve rod is slidably connected to the surface of the swing rod, a short spring is fixedly connected between the top of the inner wall of the upper sleeve rod and the top of the swing rod through a damping pad, a positioning insertion plate is fixedly connected to the top of the upper sleeve rod, and a connecting plate is clamped to the top of the positioning insertion plate; according to the structure, the connecting swing movable structure is additionally arranged on the positioning rotating arm, the connecting firmness of the positioning rotating arm on the bogie can be enhanced, the pressure-resistant movable rod is additionally arranged, the auxiliary pressure-resistant and shock-resistant effects above the pressure-resistant movable rod can be achieved, and the connecting stability and the pressure-resistant auxiliary function of the positioning rotating arm are improved.

Description

Technical Field

[0001] The utility model relates to a rail vehicle positioning rotating arm, belonging to the technical field of positioning rotating arms. Background Art

[0002] Rail vehicles are an important part of modern urban rail transit systems. Their safety, reliability and comfort directly affect the quality and efficiency of urban public transportation. The positioning arm is an important component of rail vehicles. It is a connector that connects the primary arm shaft and the bogie frame, which is directly related to the driving safety of rail vehicles.

[0003] For example, a high-strength wear-resistant positioning arm with patent publication number CN202320955955.7 includes a positioning arm body, the outside of which is respectively provided with a first connection port and a second connection port, the outside of the first connection port is provided with a wear-resistant ring, the outside of the second connection port is provided with a wear-resistant frame, the outside of the wear-resistant ring is fixedly connected to a limiting frame, the outside of the wear-resistant frame is fixedly connected to a fixing frame and a fixing block, and the fixing frame, the fixing block, the limiting frame, the first connection port, and the second connection port are all provided with connecting holes on their outsides;

[0004] Since the positioning arm is now installed and positioned normally, but the bogie and the positioning arm are connected by fewer screw rods, the connection firmness of the positioning arm to the bogie is limited, which has a certain adverse effect on actual use, so improvement is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a rail vehicle positioning arm. The utility model adds a connecting swinging movable structure on the positioning arm to enhance the connection firmness of the positioning arm on the bogie, and adds a compression-resistant movable rod to play an auxiliary compression and shock-resistant effect above it, so as to solve the problems raised in the above-mentioned background technology.

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

[0007] A rail vehicle positioning swivel arm comprises a positioning swivel arm body, a compression-resistant movable rod is fixedly connected to the top of the positioning swivel arm body near the left side thereof, a swing rod is rotatably connected to the surface of the positioning swivel arm body near the right side thereof via a swivel pin, an upper sleeve rod is slidably connected to the surface of the swing rod, a short spring is fixedly connected between the top of the inner wall of the upper sleeve rod and the top of the swing rod via a damping pad, a positioning plug plate is fixedly connected to the top of the upper sleeve rod, a connecting plate is clamped on the top of the positioning plug plate, the interior of the connecting plate and the interior of the positioning plug plate are both threadedly connected to locking screws via internal thread grooves, and the interior of the connecting plate is threadedly connected to connecting bolts via internal thread grooves.

[0008] Furthermore, the number of the anti-compression movable rods is at least four, and the at least four anti-compression movable rods are evenly distributed at the positioning rod on the positioning rotating arm body.

[0009] Furthermore, the bottom of the compression-resistant movable rod is a lower support rod, the top of the lower support rod is fixedly installed with a shock absorber, and the top of the shock absorber is fixedly connected with an upper compression-resistant plate.

[0010] Furthermore, a dustproof stretch sleeve is fixedly connected to the surface of the upper compression plate close to its side surface, the bottom of the dustproof stretch sleeve is fixedly connected to the top of the lower support rod, and the interior of the dustproof stretch sleeve is sleeved on the outside of the shock absorber.

[0011] Furthermore, a shock-absorbing pad is fixedly connected to the top of the upper pressure-resistant plate, and the upper surface of the shock-absorbing pad is coated with a wear-resistant coating.

[0012] Furthermore, a guide plate is fixedly connected to the side of the inner wall of the upper sleeve rod, a limit guide groove is fixedly connected to the side of the swing rod, and the inner wall of the limit guide groove is slidably connected to the surface of the guide plate.

[0013] Furthermore, a hidden groove is opened on the left side of the connecting plate, and the nut end on the locking screw is located inside the hidden groove.

[0014] Furthermore, the number of connecting bolts on a single connecting plate is at least two, and at least two connecting bolts are connected to the connecting plate in left and right positions.

[0015] Furthermore, the surface of the positioning arm body near its middle is rotatably connected to a firm bending plate through a rotating pin, the interior of the firm bending plate is fixedly connected to a magnetic attraction plate 1, and the interior of the positioning arm body is fixedly installed with a magnetic attraction plate 2, and the surface of the magnetic attraction plate 2 is magnetically clamped to the surface of the magnetic attraction plate 1.

[0016] Furthermore, the middle portion of the firm breaking plate is provided with an arc-shaped end plate, and the surface of the arc-shaped end plate is provided with an anti-slip surface.

[0017] The beneficial effects of the utility model are:

[0018] The invention provides a method for arranging the camshafts and the camshafts to be connected to the bogie frame so as to facilitate the camshafts to be connected to the bogie frame and the camshafts to be connected to the bogie frame.

[0019] In the utility model, at least four anti-pressure movable rods can be added to the damping spring installed at the top of the positioning rotating arm body, which can play an auxiliary role in resisting the upper pressure. The damper in the anti-pressure movable rod can play a damping role, and the top of the upper anti-pressure plate is added with a damping pad to play a wear-resistant and shock-resistant effect. The dustproof stretch sleeve is added to wrap and protect the internal damper, thereby enhancing the anti-pressure effect at the top of the positioning rotating arm.

[0020] In the utility model, a firm bending plate is normally abutted against the positioning arm body. When the positioning arm body needs to be replaced or disassembled, the restraining locking piece on the positioning arm body can be released, and the magnetic attraction relationship between the magnetic abutment plate 1 and the magnetic abutment plate 2 can be released. The entire firm bending plate can be swung upward by using the arc-shaped end plate 20, and the anti-slip surface can be used to bend and pull it with external force so as to quickly remove the positioning arm body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0022] Figure 1 This is a schematic diagram of the overall structure of a positioning rotating arm for a rail vehicle of the utility model;

[0023] Figure 2 It is a front view of a positioning rotating arm of a rail vehicle of the utility model;

[0024] Figure 3 It is a front cross-sectional view of a compression-resistant movable rod in a positioning rotating arm of a rail vehicle of the utility model;

[0025] Figure 4 It is a front cross-sectional view of a swing rod in a positioning rotating arm of a rail vehicle of the utility model;

[0026] Figure 5 This is a structural schematic diagram of a compression-resistant movable rod in a positioning rotating arm of a rail vehicle of the utility model;

[0027] Figure 6 It is a structural schematic diagram of a swing rod in a positioning rotating arm of a rail vehicle of the utility model;

[0028] Figure 7 It is a structural schematic diagram of a firm breaking plate in a positioning rotating arm of a rail vehicle of the utility model;

[0029] Figure 8 It is a side view of a firm breaking plate in a positioning rotating arm of a rail vehicle of the utility model;

[0030] Fig. 9 This is an enlarged view of position B of a positioning rotating arm of a rail vehicle of the utility model;

[0031] Fig.10 This is an enlarged view of point A of a positioning rotating arm of a rail vehicle of the utility model;

[0032] Numbers in the figure: 1. Positioning arm body; 2. Compression-resistant movable rod; 3. Swing rod; 4. Upper sleeve rod; 5. Short spring; 6. Positioning plug plate; 7. Connecting plate; 8. Locking screw; 9. Connecting bolt; 10. Shock absorber; 11. Upper pressure-resistant plate; 12. Dust-proof stretch sleeve; 13. Shock-absorbing pad; 14. Guide plate; 15. Limiting guide groove; 16. Hidden groove; 17. Firm breaking plate; 18. Magnetic attraction plate 1; 19. Magnetic attraction plate 2; 20. Arc-shaped end plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Example 1 Please refer to Figure 1-Figure 10 , the utility model provides a technical solution:

[0035] A rail vehicle positioning swivel arm comprises a positioning swivel arm body 1, a compression-resistant movable rod 2 is fixedly connected to the top of the positioning swivel arm body 1 near its left side, a swing rod 3 is rotatably connected to the surface of the positioning swivel arm body 1 near its right side through a swivel pin, an upper sleeve rod 4 is slidably connected to the surface of the swing rod 3, a short spring 5 is fixedly connected between the top of the inner wall of the upper sleeve rod 4 and the top of the swing rod 3 through a damping pad, a positioning plug plate 6 is fixedly connected to the top of the positioning plug plate 6, a connecting plate 7 is clamped on the top of the positioning plug plate 6, the interior of the connecting plate 7 and the interior of the positioning plug plate 6 are both threadedly connected to a locking screw 8 through an internal thread groove, and the interior of the connecting plate 7 is threadedly connected to a connecting bolt 9 through an internal thread groove.

[0036] Specifically, Figure 1-Figure 10 As shown, a guide plate 14 is fixedly connected to the side of the inner wall of the upper sleeve rod 4, and a limiting guide groove 15 is fixedly connected to the side of the swing rod 3. The inner wall of the limiting guide groove 15 and the surface of the guide plate 14 are slidingly connected. The addition of the guide plate 14 and the limiting guide groove 15 has a guiding and restraining effect, thereby ensuring the smooth pulling and contraction of the upper sleeve rod 4 at the swing rod 3.

[0037] Specifically, Figure 1-Figure 10 As shown, a hidden groove 16 is opened on the left side of the connecting plate 7, and the nut end on the locking screw 8 is located inside the hidden groove 16. The hidden groove 16 can be provided to hide and protect the locking screw 8 to prevent external forces from causing contact wear on the locking screw 8 or even squeezing its movement.

[0038] Furthermore, the number of connecting bolts 9 on a single connecting plate 7 is at least two, and at least two connecting bolts 9 are connected to the connecting plate 7 in left and right positions. The two connecting bolts 9 can achieve the effect of multi-point positioning constraint.

[0039] Furthermore, the surface of the positioning arm body 1 near the middle thereof is rotatably connected with a firm bending plate 17 through a rotating pin, and a magnetic abutment plate 18 is fixedly connected to the inside of the firm bending plate 17, and a magnetic abutment plate 2 19 is fixedly installed inside the positioning arm body 1, and the surface of the magnetic abutment plate 2 19 and the surface of the magnetic abutment plate 1 18 are magnetically engaged. The middle part of the firm bending plate 17 is provided with an arc-shaped end plate 20, and the surface of the arc-shaped end plate 20 is provided with an anti-skid surface. When the positioning arm body 1 needs to be replaced and disassembled, the restraining locking piece on the positioning arm body 1 can be released, and the magnetic attraction relationship between the magnetic abutment plate 1 18 and the magnetic abutment plate 2 19 can be released. The entire firm bending plate 17 can be swung upward by using the arc-shaped end plate 20, and the anti-skid surface can be used to bend and pull it with external force.

[0040] Example 2 Please refer to Figure 1-Figure 10The difference between this embodiment and embodiment 1 is that: the number of the anti-compression movable rods 2 is at least four, and the at least four anti-compression movable rods 2 are evenly distributed at the positioning rod on the positioning rotating arm body 1. The bottom of the anti-compression movable rod 2 is a lower support rod, and a shock absorber 10 is fixedly installed on the top of the lower support rod, and the top of the shock absorber 10 is fixedly connected to an upper anti-compression plate 11. A dustproof stretch sleeve 12 is fixedly connected to the surface of the upper anti-compression plate 11 close to its side, and the bottom of the dustproof stretch sleeve 12 is fixedly connected to the top of the lower support rod, and the inside of the dustproof stretch sleeve 12 is sleeved on the outside of the shock absorber 10. A shock-absorbing pad 13 is fixedly connected to the top of the upper pressure-resistant plate 11, and the upper surface of the shock-absorbing pad 13 is coated with a wear-resistant coating. At least four pressure-resistant movable rods 2 are added to assist in resisting the pressure from above. The shock absorber 10 in the pressure-resistant movable rod 2 can play a shock-absorbing role. The shock-absorbing pad 13 is added to the top of the upper pressure-resistant plate 11 to have the effect of wear resistance and shock resistance. The dust-proof stretch sleeve 12 is added to wrap and protect the shock absorber 10 inside it.

[0041] The working principle of the utility model: when in use, after the staff completes the basic positioning and installation of the positioning swivel arm body 1 on the bogie, the staff can use the swing pin on the swing arm 3 to control it to swing, so as to fit with the connecting plate 7 on the bogie, and then connect the connecting bolts 9 to make the connection between the bogie and the positioning swivel arm body 1 as a whole. During the travel of the rail vehicle, a certain degree of vibration will be generated, that is, the short spring 5 between the upper sleeve rod 4 and the swing rod 3 can play an elastic effect of resisting compression and stretching. The guide plate 14 and the limiting guide groove 15 are added to play a guiding and restraining effect, which ensures the smooth pulling and contraction of the upper sleeve rod 4 at the swing rod 3. Due to the difference in specifications between the bogie and the positioning swivel arm body 1, connecting plates 7 of different specifications and sizes can be replaced, and the connecting plate 7 can be quickly positioned, plugged in and removed on the positioning plug plate 6, and the rotation of the locking screw 8 can be controlled to rotate into the connecting plate 7 and the positioning plug plate 6 for locking connection. , and a hidden groove 16 is provided to hide and protect the locking screw 8, so as to prevent the locking screw 8 from being touched and worn or even squeezed by external force to move, and at the place where the shock-absorbing spring is installed on the top of the positioning arm body 1, at least four anti-pressure movable rods 2 are added to assist in resisting the upper pressure, and the shock absorber 10 in the anti-pressure movable rod 2 can play a shock-absorbing activity role, and a shock-absorbing pad 13 is added to the top of the upper anti-pressure plate 11 to play a wear-resistant and shock-resistant effect, and a dust-proof stretch sleeve 12 is added to wrap and protect the internal shock absorber 10. When it is necessary to replace and disassemble the positioning arm body 1, the constraint locking piece on the positioning arm body 1 can be released, and the magnetic attraction relationship between the magnetic attraction plate 1 18 and the magnetic attraction plate 2 19 can be released. The entire firm bending plate 17 can be swung upward by using the arc end plate 20, and the anti-slip surface can be used for external force bending and pulling, which extends the connection stability and anti-pressure auxiliary function of the positioning arm.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rail vehicle positioning arm, comprising a positioning arm body (1), characterized in that: The top of the positioning arm body (1) near the left side thereof is fixedly connected to a compression-resistant movable rod (2); the surface of the positioning arm body (1) near the right side thereof is rotatably connected to a swing rod (3) via a swing pin; the surface of the swing rod (3) is slidably connected to an upper sleeve rod (4); a short spring (5) is fixedly connected between the top of the inner wall of the upper sleeve rod (4) and the top of the swing rod (3) via a damping pad; the top of the upper sleeve rod (4) is fixedly connected to a positioning plug plate (6); the top of the positioning plug plate (6) is clamped with a connecting plate (7); the interior of the connecting plate (7) and the interior of the positioning plug plate (6) are both threadedly connected to a locking screw (8) via an internal thread groove; the interior of the connecting plate (7) is threadedly connected to a connecting bolt (9) via an internal thread groove.

2. A rail vehicle positioning arm according to claim 1, characterized in that: The number of the anti-compression movable rods (2) is at least four, and the at least four anti-compression movable rods (2) are evenly distributed at the positioning rod on the positioning rotating arm body (1).

3. A rail vehicle positioning arm according to claim 1, characterized in that: The bottom of the compression-resistant movable rod (2) is a lower support rod, the top of the lower support rod is fixedly mounted with a shock absorber (10), and the top of the shock absorber (10) is fixedly connected with an upper compression-resistant plate (11).

4. A rail vehicle positioning arm according to claim 3, characterized in that: A dustproof stretch sleeve (12) is fixedly connected to a surface of the upper pressure-resistant plate (11) close to its side surface, the bottom of the dustproof stretch sleeve (12) is fixedly connected to the top of the lower support rod, and the inside of the dustproof stretch sleeve (12) is sleeved on the outside of the shock absorber (10).

5. A rail vehicle positioning arm according to claim 3, characterized in that: A shock-absorbing pad (13) is fixedly connected to the top of the upper pressure-resistant plate (11), and the upper surface of the shock-absorbing pad (13) is coated with a wear-resistant coating.

6. A rail vehicle positioning arm according to claim 1, characterized in that: A guide plate (14) is fixedly connected to the side of the inner wall of the upper sleeve rod (4), a limit guide groove (15) is fixedly connected to the side of the swing rod (3), and the inner wall of the limit guide groove (15) and the surface of the guide plate (14) are slidably connected.

7. A rail vehicle positioning arm according to claim 1, characterized in that: A hidden groove (16) is provided on the left side of the connecting plate (7), and the nut end on the locking screw (8) is located inside the hidden groove (16).

8. The rail vehicle positioning arm according to claim 1, characterized in that: The number of connecting bolts (9) on a single connecting plate (7) is at least two, and at least two connecting bolts (9) are connected to the connecting plate (7) in left and right positions.

9. A rail vehicle positioning arm according to claim 1, characterized in that: The surface of the positioning arm body (1) near the middle thereof is rotatably connected to a firm bending plate (17) via a rotating pin, the interior of the firm bending plate (17) is fixedly connected to a magnetic abutment plate 1 (18), the interior of the positioning arm body (1) is fixedly installed with a magnetic abutment plate 2 (19), and the surface of the magnetic abutment plate 2 (19) is magnetically snap-fitted to the surface of the magnetic abutment plate 1 (18).

10. A rail vehicle positioning rotating arm according to claim 9, characterized in that: The middle portion of the firm bending plate (17) is provided with an arc-shaped end plate (20), and the surface of the arc-shaped end plate (20) is provided with an anti-slip textured surface.

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