Auxiliary device for closing lower side door of railway open wagon

Abstract

The utility model relates to an auxiliary device for closing a lower side door of a railway open wagon, which comprises a rack, a lifting device, a top head and a hook, the top head is arranged at one end of the rack, the hook is arranged on the lifting device, and the rack is movably arranged in the lifting device; the hook is used for hooking the edge of the bottom of a vehicle body, the top head is used for abutting against a hinge of a lower side door of the vehicle body, and the lifting and pulling device can drive the top head to be close to or away from the hook. The technical problems that many operators are occupied, the labor intensity is high, the working efficiency is low, and potential safety hazards exist are solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of railway open wagons, specifically relating to an auxiliary device for closing the lower side door of a railway open wagon. Background Technology

[0002] Railway open wagons are railway freight cars with end walls, side walls, and a bottom plate but no roof. They are mainly used to transport goods such as coal, ore, mining construction materials, timber, and steel.

[0003] The lower side door of a railway open wagon is installed in the lower part of the side or end wall. It opens for loading and unloading and closes during transport. The lower side door is locked using a latch. First, the hinge attached to the lower side door is inserted into the latch seat, then the latch is rotated into its slot to press the hinge into place, thus locking the wagon. However, with prolonged use, the lower side door is prone to deformation, making the latch difficult or impossible to engage. Currently, a pry bar is typically used to press the hinge into the latch seat, and then a hammer is used to force the latch into place. This method often requires at least two people, is time-consuming and labor-intensive, has low efficiency, and is prone to accidents if not handled properly. Utility Model Content

[0004] In view of the shortcomings of existing technologies, an auxiliary device for closing the lower side door of railway open wagons is proposed to solve the technical problems of existing technologies that use a combination of pry bar and hammer, which require a large number of operators, have high labor intensity, low work efficiency, and pose safety hazards.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An auxiliary device for closing the lower side door of a railway open wagon includes a rack, a lifting device, a top head, and a hook. The top head is disposed at one end of the rack, the hook is disposed on the lifting device, and the rack is movably disposed inside the lifting device.

[0007] The hook is used to hook onto the bottom edge of the vehicle body, the top head is used to abut against the hinge of the lower side door of the vehicle body, and the puller can drive the top head to move closer to or away from the hook.

[0008] The technical solution is further configured such that a connecting plate is provided below the starter, the connecting plate is connected to the hook via a connecting rod, and the connecting rod is arranged parallel to the rack.

[0009] The technical solution is further configured such that the hook is curved and has a claw at its end, the claw being parallel to the connecting rod.

[0010] The technical solution is further configured such that a mounting groove is provided in the middle of the top head, a central top plate is provided in the mounting groove, and a plurality of top plates are provided on the surface of the top head and around the central top plate, and anti-slip protrusions are evenly distributed on the top plates.

[0011] The technical solution is further configured such that the mounting groove includes an upper mounting groove and a lower mounting groove connected by a connecting groove, the central top plate is connected to a limiting block by a support rod, the limiting block is disposed inside the lower mounting groove, the support rod passes through the connecting groove, the central top plate is disposed inside the upper mounting groove, and a spring is disposed between the central top plate and the upper mounting groove.

[0012] The technical solution is further configured such that the mandrel is mounted on the rack via a mandrel mounting seat, and a spherical bearing is provided between the mandrel and the mandrel mounting seat.

[0013] The technical solution is further configured such that the starter includes a movable control buckle, a rotating gear, and a hand lever. The hand lever is rotatably connected to the movable control buckle. The rotating gear is rotatably disposed between the movable control buckle and the hand lever. The rack is movably disposed inside the movable control buckle and meshes with the rotating gear.

[0014] The technical solution is further configured such that an extension rod is provided on the hand lever, and the hand lever and the extension rod are threaded together.

[0015] The beneficial effects of this utility model are:

[0016] By manually operating the lever, the rack inside is moved, which moves the top head closer to or further away from the hook, thereby changing the distance between the hinge and the car body, and pressing the hinge tightly into the buckle seat, making it easy to insert the buckle into the buckle seat. The whole process can be completed by only one person, saving time and effort, reducing labor intensity, and eliminating unsafe factors. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the auxiliary device for closing the lower side door of a railway open wagon in an embodiment of this utility model;

[0018] Figure 2 This is a top view of the top head in an embodiment of this utility model;

[0019] Figure 3 yes Figure 2 Sectional view of AA.

[0020] In the attached diagram: 1. Rack; 2. Top head; 201. Upper mounting groove; 202. Central top plate; 203. Top plate; 204. Anti-slip protrusion; 205. Lower mounting groove; 206. Spring; 207. Limiting block; 208. Support rod; 3. Hook; 4. Claw; 5. Car body; 6. Hinge; 7. Top head mounting seat; 8. Connecting plate; 9. Connecting rod; 10. Movement control buckle; 11. Hand lever; 12. Extension rod; 13. Rotating gear; 14. First locking tongue; 15. Second locking tongue; 16. Connecting piece. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Based on the embodiments in this application, other similar embodiments obtained by those skilled in the art without creative effort should all fall within the scope of protection of this application. Furthermore, directional terms mentioned in the following embodiments, such as "up," "down," "left," and "right," are only for reference to the directions in the accompanying drawings; therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0022] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0023] According to an embodiment of this utility model, an auxiliary device for closing the lower side door of a railway open wagon is provided. Please refer to [link / reference needed]. Figures 1 to 3 It includes a rack 1, a lever starter, a top head 2, and a hook 3. The top head 2 is disposed at one end of the rack 1, the hook 3 is disposed on the lever starter, and the rack 1 is movably disposed inside the lever starter.

[0024] The hook 3 is used to hook the bottom edge of the vehicle body 5, the top head 2 is used to abut against the hinge 6 of the lower side door of the vehicle body, and the lever can drive the top head 2 to move closer to or further away from the hook 3.

[0025] It should be noted that by manually operating the lever, the rack 1 is moved, thereby moving the top head 2 closer to or further away from the hook 3, which in turn changes the distance between the hinge 6 and the car body 5, pressing the hinge 6 tightly into the latch seat, making it easier to insert the latch into the latch seat. The whole process can be completed by only one person, saving time and effort, reducing labor intensity, and eliminating unsafe factors.

[0026] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 A connecting plate 8 is provided below the starter, and the connecting plate 8 is connected to the hook 3 via a connecting rod 9. The connecting rod 9 is arranged parallel to the rack 1.

[0027] It should be noted that the connecting plate 8 is set in a vertical direction, one end of the connecting rod 9 is set to be flat and used to connect with the connecting plate 8, and the other end of the connecting rod 9 is connected to the hook 3.

[0028] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 The hook 3 is configured to be curved, and its end is provided with a claw 4, which is parallel to the connecting rod 9.

[0029] It should be noted that the hook 4 is perpendicular to the end of the hook and is used to hook the bottom edge of the vehicle body 5.

[0030] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 The top head 2 has a mounting groove in the middle, and a central top plate 202 is provided in the mounting groove. Several top plates 203 are provided on the surface of the top head 2 and around the central top plate 202. Anti-slip protrusions 204 are evenly distributed on the top plates 203.

[0031] Specifically, the mounting slot includes an upper mounting slot 201 and a lower mounting slot 205 connected by a connecting slot. The central top plate 202 is connected to a limiting block 207 via a support rod 208. The limiting block 207 is disposed inside the lower mounting slot 205. The support rod 208 passes through the connecting slot. The central top plate 202 is disposed inside the upper mounting slot 201. A spring 206 is disposed between the central top plate 202 and the upper mounting slot 201.

[0032] It should be noted that the central top plate 202 first contacts the hinge 6 to form a contact point. Under pressure, the central top plate 202 retracts, and with the elasticity of the spring 206, it forms a central support part. The central top plate 202 retracts to the limit block 207 and contacts the hinge 6 to form a contact point. At the same time, the anti-slip protrusion 204 can effectively prevent the contact position from sliding and becoming unstable. Finally, the top head 2 contacts the hinge 6 to form an overall support structure with a large support contact area and high safety in use.

[0033] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 The top head 2 is mounted on the rack 1 via a top head mounting seat 7, and a spherical bearing is provided between the top head 2 and the top head mounting seat 7.

[0034] It should be noted that the spherical plain bearing is a spherical sliding bearing, consisting of a pair of spherical plain bearing inner rings and outer rings with spherical sliding spherical contact surfaces. The spherical plain bearing inner ring is connected to the top mounting seat 7, and the spherical plain bearing outer ring is connected to the top 2. That is, its sliding contact surface is an inner spherical surface and an outer spherical surface. During movement, it can rotate and swing at any angle to contact the deformed hinge 6.

[0035] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 The lever includes a movement control buckle 10, a rotating gear 13, and a hand lever 11. The hand lever 11 is rotatably connected to the movement control buckle 10. The rotating gear 13 is rotatably disposed between the movement control buckle 10 and the hand lever 11. The rack 1 is movably disposed inside the movement control buckle 10, and the rack 1 meshes with the rotating gear 13.

[0036] It should be noted that the end of the lever 11 is provided with a connector 16, which is rotatably connected to the movable control buckle; the rotating gear 13 is provided with a rotating shaft, which passes through the movable control buckle 10 and the connector 16 respectively; a first locking tongue 14 is rotatably provided on the connector 16, and a second locking tongue 15 is rotatably provided on the movable control buckle 10. One end of the first locking tongue 14 and the second locking tongue 15 are respectively movably attached to both sides of the rotating gear 13. The first locking tongue 14 is used to push the rotating gear 13 to rotate in a directional manner, and the second locking tongue 15 is used to prevent the rotating gear 13 from rotating in the opposite direction.

[0037] In the railway open wagon lower side door closing auxiliary device of this embodiment, please refer to Figures 1 to 3 The hand lever 11 is provided with an extension rod 12, and the hand lever 11 and the extension rod 12 are threaded together.

[0038] It should be noted that the end of the pull rod 11 is provided with an internal thread, and the end of the extension rod 12 is provided with an external thread, so that the lever arm length can be increased according to actual needs.

[0039] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of this application should still fall within the scope of the present invention.

Claims

1. An auxiliary device for closing the lower side door of a railway open wagon, characterized in that, It includes a rack, a shifter, a top, and a hook. The top is disposed at one end of the rack, the hook is disposed on the shifter, and the rack is movably disposed inside the shifter. The hook is used to hook onto the bottom edge of the vehicle body, the top head is used to abut against the hinge of the lower side door of the vehicle body, and the puller can drive the top head to move closer to or away from the hook.

2. The auxiliary device for closing the lower side door of a railway open wagon according to claim 1, characterized in that, A connecting plate is provided below the starter, and the connecting plate is connected to the hook via a connecting rod, which is arranged parallel to the rack.

3. The auxiliary device for closing the lower side door of a railway open wagon according to claim 2, characterized in that, The hook is curved and has a claw at its end, which is parallel to the connecting rod.

4. The auxiliary device for closing the lower side door of a railway open wagon according to claim 1, characterized in that, The top head has a mounting groove in the middle, and a central top plate is provided in the mounting groove. Several top plates are provided on the surface of the top head and around the central top plate, and anti-slip protrusions are evenly distributed on the top plates.

5. The auxiliary device for closing the lower side door of a railway open wagon according to claim 4, characterized in that, The mounting slot includes an upper mounting slot and a lower mounting slot connected by a connecting slot. The central top plate is connected to a limiting block by a support rod. The limiting block is located inside the lower mounting slot. The support rod passes through the connecting slot. The central top plate is located inside the upper mounting slot. A spring is provided between the central top plate and the upper mounting slot.

6. The auxiliary device for closing the lower side door of a railway open wagon according to any one of claims 1-5, characterized in that, The mandrel is mounted on the rack via a mandrel mounting seat, and a spherical bearing is provided between the mandrel and the mandrel mounting seat.

7. The auxiliary device for closing the lower side door of a railway open wagon according to claim 1, characterized in that, The lever includes a movable control buckle, a rotating gear, and a hand lever. The hand lever is rotatably connected to the movable control buckle. The rotating gear is rotatably disposed between the movable control buckle and the hand lever. The rack is movably disposed inside the movable control buckle and meshes with the rotating gear.

8. The auxiliary device for closing the lower side door of a railway open wagon according to claim 1 or 7, characterized in that, The hand lever is equipped with an extension rod, and the hand lever and the extension rod are threaded together.

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